ci: run goimports and gofmt

ci: add Makefile, use golangci-lint, parallelize CI actions

.github/workflows/go.yml

@@ -6,26 +6,24 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [1.14, 1.15]
+        go: [1.19]
     steps:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
           go-version: ${{ matrix.go }}
+
       - name: Check out source
         uses: actions/checkout@v2
-      - name: Install Linters
-        run: "curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin v1.31.0"
+
       - name: Build
-        env:
-          GO111MODULE: "on"
         run: go build ./...
+
       - name: Test
-        env:
-          GO111MODULE: "on"
         run: |
           sh ./goclean.sh
-      - name: Send btcutil coverage
+
+      - name: Send lbcutil coverage
         uses: shogo82148/actions-goveralls@v1
         with:
           path-to-profile: profile.cov

.github/workflows/golangci-lint.yml

@@ -0,0 +1,57 @@
+name: golangci-lint
+
+env:
+  # go needs absolute directories, using the $HOME variable doesn't work here.
+  GOCACHE: /home/runner/work/go/pkg/build
+  GOPATH: /home/runner/work/go
+  GO_VERSION: '^1.19.0'
+
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - "*"
+  pull_request:
+    branches:
+      - "*"
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: setup go ${{ env.GO_VERSION }}
+        uses: actions/setup-go@v2
+        with:
+          go-version: '${{ env.GO_VERSION }}'
+
+      - name: checkout source
+        uses: actions/checkout@v2
+
+      - name: compile code
+        run: go install -v ./...
+
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
+          version: latest
+
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+
+          # Optional: golangci-lint command line arguments.
+          # args: --issues-exit-code=0
+
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true
+
+          # Optional: if set to true then the action will use pre-installed Go.
+          skip-go-installation: true
+
+          # Optional: if set to true then the action don't cache or restore ~/go/pkg.
+          # skip-pkg-cache: true
+
+          # Optional: if set to true then the action don't cache or restore ~/.cache/go-build.
+          # skip-build-cache: true

.gitignore

@@ -26,3 +26,5 @@ _cgo_export.*
 _testmain.go
 
 *.exe 
+coverage.txt
+psbt/coverage.txt

.golangci.yml

@@ -0,0 +1,152 @@
+linters-settings:
+  depguard:
+    list-type: blacklist
+    packages:
+      # logging is allowed only by logutils.Log, logrus
+      # is allowed to use only in logutils package
+      - github.com/sirupsen/logrus
+    packages-with-error-message:
+      - github.com/sirupsen/logrus: "logging is allowed only by logutils.Log"
+  dupl:
+    threshold: 100
+  funlen:
+    lines: 100
+    statements: 50
+  gci:
+    local-prefixes: github.com/golangci/golangci-lint
+  goconst:
+    min-len: 2
+    min-occurrences: 2
+  gocritic:
+    enabled-tags:
+      - diagnostic
+      - experimental
+      - opinionated
+      - performance
+      - style
+    disabled-checks:
+      - dupImport # https://github.com/go-critic/go-critic/issues/845
+      - ifElseChain
+      - octalLiteral
+      - whyNoLint
+      - wrapperFunc
+  gocyclo:
+    min-complexity: 15
+  goimports:
+    local-prefixes: github.com/golangci/golangci-lint
+  gomnd:
+    settings:
+      mnd:
+        # don't include the "operation" and "assign"
+        checks:
+          - argument
+          - case
+          - condition
+          - return
+  govet:
+    check-shadowing: true
+    settings:
+      printf:
+        funcs:
+          - (github.com/golangci/golangci-lint/pkg/logutils.Log).Infof
+          - (github.com/golangci/golangci-lint/pkg/logutils.Log).Warnf
+          - (github.com/golangci/golangci-lint/pkg/logutils.Log).Errorf
+          - (github.com/golangci/golangci-lint/pkg/logutils.Log).Fatalf
+  lll:
+    line-length: 140
+  maligned:
+    suggest-new: true
+  misspell:
+    locale: US
+  nolintlint:
+    allow-leading-space: true # don't require machine-readable nolint directives (i.e. with no leading space)
+    allow-unused: false # report any unused nolint directives
+    require-explanation: false # don't require an explanation for nolint directives
+    require-specific: false # don't require nolint directives to be specific about which linter is being skipped
+
+linters:
+  disable-all: true
+  enable:
+    - asciicheck
+    - bodyclose
+    # - deadcode
+    - depguard
+    # - dogsled
+    # - dupl
+    # - errcheck
+    # - exhaustive
+    - exportloopref
+    # - funlen
+    # - gochecknoglobals
+    # - gochecknoinits
+    # - gocognit
+    # - goconst
+    # - gocritic
+    # - gocyclo
+    # - godot
+    # - godox
+    # - goerr113
+    - gofmt
+    - goimports
+    # - gomnd
+    - goprintffuncname
+    # - gosec
+    # - gosimple
+    # - govet
+    # - ineffassign
+    # - interfacer
+    # - lll
+    # - maligned
+    # - misspell
+    - nakedret
+    # - nestif
+    # - noctx
+    # - nolintlint
+    # - prealloc
+    - rowserrcheck
+    # - revive
+    # - scopelint
+    # - staticcheck
+    # - structcheck
+    # - stylecheck
+    # - testpackage
+    # - typecheck
+    - unconvert
+    # - unparam
+    # - unused
+    # - varcheck
+    # - whitespace
+    # - wsl
+
+issues:
+  # Excluding configuration per-path, per-linter, per-text and per-source
+  exclude-rules:
+    - path: _test\.go
+      linters:
+        - gomnd
+
+    - path: pkg/golinters/errcheck.go
+      text: "SA1019: errCfg.Exclude is deprecated: use ExcludeFunctions instead"
+    - path: pkg/commands/run.go
+      text: "SA1019: lsc.Errcheck.Exclude is deprecated: use ExcludeFunctions instead"
+
+    # TODO must be removed after the release of the next version (v1.41.0)
+    - path: pkg/commands/run.go
+      linters:
+        - gomnd
+    # TODO must be removed after the release of the next version (v1.41.0)
+    - path: pkg/golinters/nolintlint/nolintlint.go
+      linters:
+        - gomnd
+    # TODO must be removed after the release of the next version (v1.41.0)
+    - path: pkg/printers/tab.go
+      linters:
+        - gomnd
+
+
+run:
+  skip-dirs:
+    - test/testdata_etc
+    - internal/cache
+    - internal/renameio
+    - internal/robustio

Makefile

@@ -0,0 +1,116 @@
+PKG := github.com/btcsuite/btcutil
+
+LINT_PKG := github.com/golangci/golangci-lint/cmd/golangci-lint
+GOACC_PKG := github.com/ory/go-acc
+GOIMPORTS_PKG := golang.org/x/tools/cmd/goimports
+
+GO_BIN := ${GOPATH}/bin
+LINT_BIN := $(GO_BIN)/golangci-lint
+GOACC_BIN := $(GO_BIN)/go-acc
+
+LINT_COMMIT := v1.19.0
+GOACC_COMMIT := 80342ae2e0fcf265e99e76bcc4efd022c7c3811b
+
+DEPGET := cd /tmp && GO111MODULE=on go get -v
+GOBUILD := GO111MODULE=on go build -v
+GOINSTALL := GO111MODULE=on go install -v
+GOTEST := GO111MODULE=on go test
+
+GOFILES_NOVENDOR = $(shell find . -type f -name '*.go' -not -path "./vendor/*")
+
+RM := rm -f
+CP := cp
+MAKE := make
+XARGS := xargs -L 1
+
+# Linting uses a lot of memory, so keep it under control by limiting the number
+# of workers if requested.
+ifneq ($(workers),)
+LINT_WORKERS = --concurrency=$(workers)
+endif
+
+LINT = $(LINT_BIN) run -v $(LINT_WORKERS)
+
+GREEN := "\\033[0;32m"
+NC := "\\033[0m"
+define print
+	echo $(GREEN)$1$(NC)
+endef
+
+default: build
+
+all: build check
+
+# ============
+# DEPENDENCIES
+# ============
+
+$(LINT_BIN):
+	@$(call print, "Fetching linter")
+	$(DEPGET) $(LINT_PKG)@$(LINT_COMMIT)
+
+$(GOACC_BIN):
+	@$(call print, "Fetching go-acc")
+	$(DEPGET) $(GOACC_PKG)@$(GOACC_COMMIT)
+
+goimports:
+	@$(call print, "Installing goimports.")
+	$(DEPGET) $(GOIMPORTS_PKG)
+
+# ============
+# INSTALLATION
+# ============
+
+build:
+	@$(call print, "Compiling btcutil.")
+	$(GOBUILD) $(PKG)/...
+
+# =======
+# TESTING
+# =======
+
+check: unit
+
+unit:
+	@$(call print, "Running unit tests.")
+	$(GOTEST) ./... -test.timeout=20m
+	cd psbt; $(GOTEST) ./... -test.timeout=20m
+
+unit-cover: $(GOACC_BIN)
+	@$(call print, "Running unit coverage tests.")
+	$(GOACC_BIN) ./...
+	cd psbt; $(GOACC_BIN) ./...
+
+unit-race:
+	@$(call print, "Running unit race tests.")
+	env CGO_ENABLED=1 GORACE="history_size=7 halt_on_errors=1" $(GOTEST) -race -test.timeout=20m ./...
+	cd psbt; env CGO_ENABLED=1 GORACE="history_size=7 halt_on_errors=1" $(GOTEST) -race -test.timeout=20m ./...
+
+# =========
+# UTILITIES
+# =========
+
+fmt: goimports
+	@$(call print, "Fixing imports.")
+	goimports -w $(GOFILES_NOVENDOR)
+	@$(call print, "Formatting source.")
+	gofmt -l -w -s $(GOFILES_NOVENDOR)
+
+lint: $(LINT_BIN)
+	@$(call print, "Linting source.")
+	$(LINT)
+
+clean:
+	@$(call print, "Cleaning source.$(NC)")
+	$(RM) coverage.txt psbt/coverage.txt
+
+.PHONY: all \
+	default \
+	build \
+	check \
+	unit \
+	unit-cover \
+	unit-race \
+	fmt \
+	lint \
+	clean

README.md

@@ -1,49 +1,11 @@
-btcutil
+lbcutil
 =======
 
-[![Build Status](https://github.com/btcsuite/btcutil/workflows/Build%20and%20Test/badge.svg)](https://github.com/btcsuite/btcutil/actions)
 [![ISC License](https://img.shields.io/badge/license-ISC-blue.svg)](http://copyfree.org)
-[![GoDoc](https://img.shields.io/badge/godoc-reference-blue.svg)](https://godoc.org/github.com/btcsuite/btcutil)
-
-Package btcutil provides bitcoin-specific convenience functions and types.
-A comprehensive suite of tests is provided to ensure proper functionality.  See
-`test_coverage.txt` for the gocov coverage report.  Alternatively, if you are
-running a POSIX OS, you can run the `cov_report.sh` script for a real-time
-report.
 
+Package lbcutil provides convenience functions and types. 
 This package was developed for btcd, an alternative full-node implementation of
 bitcoin which is under active development by Conformal.  Although it was
 primarily written for btcd, this package has intentionally been designed so it
 can be used as a standalone package for any projects needing the functionality
-provided.
-
-## Installation and Updating
-
-```bash
-$ go get -u github.com/btcsuite/btcutil
-```
-
-## GPG Verification Key
-
-All official release tags are signed by Conformal so users can ensure the code
-has not been tampered with and is coming from the btcsuite developers.  To
-verify the signature perform the following:
-
-- Download the public key from the Conformal website at
-  https://opensource.conformal.com/GIT-GPG-KEY-conformal.txt
-
-- Import the public key into your GPG keyring:
-  ```bash
-  gpg --import GIT-GPG-KEY-conformal.txt
-  ```
-
-- Verify the release tag with the following command where `TAG_NAME` is a
-  placeholder for the specific tag:
-  ```bash
-  git tag -v TAG_NAME
-  ```
-
-## License
-
-Package btcutil is licensed under the [copyfree](http://copyfree.org) ISC
-License.
+provided. It has been modified to support lbcd.

address.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil
+package lbcutil
 
 import (
 	"bytes"
@@ -11,10 +11,10 @@ import (
 	"fmt"
 	"strings"
 
-	"github.com/btcsuite/btcd/btcec"
-	"github.com/btcsuite/btcd/chaincfg"
-	"github.com/btcsuite/btcutil/base58"
-	"github.com/btcsuite/btcutil/bech32"
+	"github.com/lbryio/lbcd/btcec"
+	"github.com/lbryio/lbcd/chaincfg"
+	"github.com/lbryio/lbcutil/base58"
+	"github.com/lbryio/lbcutil/bech32"
 	"golang.org/x/crypto/ripemd160"
 )
 
@@ -41,7 +41,7 @@ var (
 
 	// ErrUnknownAddressType describes an error where an address can not
 	// decoded as a specific address type due to the string encoding
-	// begining with an identifier byte unknown to any standard or
+	// beginning with an identifier byte unknown to any standard or
 	// registered (via chaincfg.Register) network.
 	ErrUnknownAddressType = errors.New("unknown address type")
 
@@ -64,8 +64,8 @@ func encodeAddress(hash160 []byte, netID byte) string {
 	return base58.CheckEncode(hash160[:ripemd160.Size], netID)
 }
 
-// encodeSegWitAddress creates a bech32 encoded address string representation
-// from witness version and witness program.
+// encodeSegWitAddress creates a bech32 (or bech32m for SegWit v1) encoded
+// address string representation from witness version and witness program.
 func encodeSegWitAddress(hrp string, witnessVersion byte, witnessProgram []byte) (string, error) {
 	// Group the address bytes into 5 bit groups, as this is what is used to
 	// encode each character in the address string.
@@ -79,7 +79,19 @@ func encodeSegWitAddress(hrp string, witnessVersion byte, witnessProgram []byte)
 	combined := make([]byte, len(converted)+1)
 	combined[0] = witnessVersion
 	copy(combined[1:], converted)
-	bech, err := bech32.Encode(hrp, combined)
+
+	var bech string
+	switch witnessVersion {
+	case 0:
+		bech, err = bech32.Encode(hrp, combined)
+
+	case 1:
+		bech, err = bech32.EncodeM(hrp, combined)
+
+	default:
+		return "", fmt.Errorf("unsupported witness version %d",
+			witnessVersion)
+	}
 	if err != nil {
 		return "", err
 	}
@@ -149,8 +161,9 @@ func DecodeAddress(addr string, defaultNet *chaincfg.Params) (Address, error) {
 			}
 
 			// We currently only support P2WPKH and P2WSH, which is
-			// witness version 0.
-			if witnessVer != 0 {
+			// witness version 0 and P2TR which is witness version
+			// 1.
+			if witnessVer != 0 && witnessVer != 1 {
 				return nil, UnsupportedWitnessVerError(witnessVer)
 			}
 
@@ -161,6 +174,10 @@ func DecodeAddress(addr string, defaultNet *chaincfg.Params) (Address, error) {
 			case 20:
 				return newAddressWitnessPubKeyHash(hrp, witnessProg)
 			case 32:
+				if witnessVer == 1 {
+					return newAddressTaproot(hrp, witnessProg)
+				}
+
 				return newAddressWitnessScriptHash(hrp, witnessProg)
 			default:
 				return nil, UnsupportedWitnessProgLenError(len(witnessProg))
@@ -210,7 +227,7 @@ func DecodeAddress(addr string, defaultNet *chaincfg.Params) (Address, error) {
 // returns the witness version and witness program byte representation.
 func decodeSegWitAddress(address string) (byte, []byte, error) {
 	// Decode the bech32 encoded address.
-	_, data, err := bech32.Decode(address)
+	_, data, bech32version, err := bech32.DecodeGeneric(address)
 	if err != nil {
 		return 0, nil, err
 	}
@@ -246,6 +263,18 @@ func decodeSegWitAddress(address string) (byte, []byte, error) {
 			"version 0: %v", len(regrouped))
 	}
 
+	// For witness version 0, the bech32 encoding must be used.
+	if version == 0 && bech32version != bech32.Version0 {
+		return 0, nil, fmt.Errorf("invalid checksum expected bech32 " +
+			"encoding for address with witness version 0")
+	}
+
+	// For witness version 1, the bech32m encoding must be used.
+	if version == 1 && bech32version != bech32.VersionM {
+		return 0, nil, fmt.Errorf("invalid checksum expected bech32m " +
+			"encoding for address with witness version 1")
+	}
+
 	return version, regrouped, nil
 }
 
@@ -265,7 +294,7 @@ func NewAddressPubKeyHash(pkHash []byte, net *chaincfg.Params) (*AddressPubKeyHa
 // newAddressPubKeyHash is the internal API to create a pubkey hash address
 // with a known leading identifier byte for a network, rather than looking
 // it up through its parameters.  This is useful when creating a new address
-// structure from a string encoding where the identifer byte is already
+// structure from a string encoding where the identifier byte is already
 // known.
 func newAddressPubKeyHash(pkHash []byte, netID byte) (*AddressPubKeyHash, error) {
 	// Check for a valid pubkey hash length.
@@ -304,7 +333,7 @@ func (a *AddressPubKeyHash) String() string {
 }
 
 // Hash160 returns the underlying array of the pubkey hash.  This can be useful
-// when an array is more appropiate than a slice (for example, when used as map
+// when an array is more appropriate than a slice (for example, when used as map
 // keys).
 func (a *AddressPubKeyHash) Hash160() *[ripemd160.Size]byte {
 	return &a.hash
@@ -332,7 +361,7 @@ func NewAddressScriptHashFromHash(scriptHash []byte, net *chaincfg.Params) (*Add
 // newAddressScriptHashFromHash is the internal API to create a script hash
 // address with a known leading identifier byte for a network, rather than
 // looking it up through its parameters.  This is useful when creating a new
-// address structure from a string encoding where the identifer byte is already
+// address structure from a string encoding where the identifier byte is already
 // known.
 func newAddressScriptHashFromHash(scriptHash []byte, netID byte) (*AddressScriptHash, error) {
 	// Check for a valid script hash length.
@@ -371,7 +400,7 @@ func (a *AddressScriptHash) String() string {
 }
 
 // Hash160 returns the underlying array of the script hash.  This can be useful
-// when an array is more appropiate than a slice (for example, when used as map
+// when an array is more appropriate than a slice (for example, when used as map
 // keys).
 func (a *AddressScriptHash) Hash160() *[ripemd160.Size]byte {
 	return &a.hash
@@ -506,25 +535,88 @@ func (a *AddressPubKey) PubKey() *btcec.PublicKey {
 	return a.pubKey
 }
 
+// AddressSegWit is the base address type for all SegWit addresses.
+type AddressSegWit struct {
+	hrp            string
+	witnessVersion byte
+	witnessProgram []byte
+}
+
+// EncodeAddress returns the bech32 (or bech32m for SegWit v1) string encoding
+// of an AddressSegWit.
+//
+// NOTE: This method is part of the Address interface.
+func (a *AddressSegWit) EncodeAddress() string {
+	str, err := encodeSegWitAddress(
+		a.hrp, a.witnessVersion, a.witnessProgram[:],
+	)
+	if err != nil {
+		return ""
+	}
+	return str
+}
+
+// ScriptAddress returns the witness program for this address.
+//
+// NOTE: This method is part of the Address interface.
+func (a *AddressSegWit) ScriptAddress() []byte {
+	return a.witnessProgram[:]
+}
+
+// IsForNet returns whether the AddressSegWit is associated with the passed
+// bitcoin network.
+//
+// NOTE: This method is part of the Address interface.
+func (a *AddressSegWit) IsForNet(net *chaincfg.Params) bool {
+	return a.hrp == net.Bech32HRPSegwit
+}
+
+// String returns a human-readable string for the AddressWitnessPubKeyHash.
+// This is equivalent to calling EncodeAddress, but is provided so the type
+// can be used as a fmt.Stringer.
+//
+// NOTE: This method is part of the Address interface.
+func (a *AddressSegWit) String() string {
+	return a.EncodeAddress()
+}
+
+// Hrp returns the human-readable part of the bech32 (or bech32m for SegWit v1)
+// encoded AddressSegWit.
+func (a *AddressSegWit) Hrp() string {
+	return a.hrp
+}
+
+// WitnessVersion returns the witness version of the AddressSegWit.
+func (a *AddressSegWit) WitnessVersion() byte {
+	return a.witnessVersion
+}
+
+// WitnessProgram returns the witness program of the AddressSegWit.
+func (a *AddressSegWit) WitnessProgram() []byte {
+	return a.witnessProgram[:]
+}
+
 // AddressWitnessPubKeyHash is an Address for a pay-to-witness-pubkey-hash
 // (P2WPKH) output. See BIP 173 for further details regarding native segregated
 // witness address encoding:
 // https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki
 type AddressWitnessPubKeyHash struct {
-	hrp            string
-	witnessVersion byte
-	witnessProgram [20]byte
+	AddressSegWit
 }
 
 // NewAddressWitnessPubKeyHash returns a new AddressWitnessPubKeyHash.
-func NewAddressWitnessPubKeyHash(witnessProg []byte, net *chaincfg.Params) (*AddressWitnessPubKeyHash, error) {
+func NewAddressWitnessPubKeyHash(witnessProg []byte,
+	net *chaincfg.Params) (*AddressWitnessPubKeyHash, error) {
+
 	return newAddressWitnessPubKeyHash(net.Bech32HRPSegwit, witnessProg)
 }
 
 // newAddressWitnessPubKeyHash is an internal helper function to create an
 // AddressWitnessPubKeyHash with a known human-readable part, rather than
 // looking it up through its parameters.
-func newAddressWitnessPubKeyHash(hrp string, witnessProg []byte) (*AddressWitnessPubKeyHash, error) {
+func newAddressWitnessPubKeyHash(hrp string,
+	witnessProg []byte) (*AddressWitnessPubKeyHash, error) {
+
 	// Check for valid program length for witness version 0, which is 20
 	// for P2WPKH.
 	if len(witnessProg) != 20 {
@@ -533,68 +625,22 @@ func newAddressWitnessPubKeyHash(hrp string, witnessProg []byte) (*AddressWitnes
 	}
 
 	addr := &AddressWitnessPubKeyHash{
-		hrp:            strings.ToLower(hrp),
-		witnessVersion: 0x00,
+		AddressSegWit{
+			hrp:            strings.ToLower(hrp),
+			witnessVersion: 0x00,
+			witnessProgram: witnessProg,
+		},
 	}
 
-	copy(addr.witnessProgram[:], witnessProg)
-
 	return addr, nil
 }
 
-// EncodeAddress returns the bech32 string encoding of an
-// AddressWitnessPubKeyHash.
-// Part of the Address interface.
-func (a *AddressWitnessPubKeyHash) EncodeAddress() string {
-	str, err := encodeSegWitAddress(a.hrp, a.witnessVersion,
-		a.witnessProgram[:])
-	if err != nil {
-		return ""
-	}
-	return str
-}
-
-// ScriptAddress returns the witness program for this address.
-// Part of the Address interface.
-func (a *AddressWitnessPubKeyHash) ScriptAddress() []byte {
-	return a.witnessProgram[:]
-}
-
-// IsForNet returns whether or not the AddressWitnessPubKeyHash is associated
-// with the passed bitcoin network.
-// Part of the Address interface.
-func (a *AddressWitnessPubKeyHash) IsForNet(net *chaincfg.Params) bool {
-	return a.hrp == net.Bech32HRPSegwit
-}
-
-// String returns a human-readable string for the AddressWitnessPubKeyHash.
-// This is equivalent to calling EncodeAddress, but is provided so the type
-// can be used as a fmt.Stringer.
-// Part of the Address interface.
-func (a *AddressWitnessPubKeyHash) String() string {
-	return a.EncodeAddress()
-}
-
-// Hrp returns the human-readable part of the bech32 encoded
-// AddressWitnessPubKeyHash.
-func (a *AddressWitnessPubKeyHash) Hrp() string {
-	return a.hrp
-}
-
-// WitnessVersion returns the witness version of the AddressWitnessPubKeyHash.
-func (a *AddressWitnessPubKeyHash) WitnessVersion() byte {
-	return a.witnessVersion
-}
-
-// WitnessProgram returns the witness program of the AddressWitnessPubKeyHash.
-func (a *AddressWitnessPubKeyHash) WitnessProgram() []byte {
-	return a.witnessProgram[:]
-}
-
 // Hash160 returns the witness program of the AddressWitnessPubKeyHash as a
 // byte array.
 func (a *AddressWitnessPubKeyHash) Hash160() *[20]byte {
-	return &a.witnessProgram
+	var pubKeyHashWitnessProgram [20]byte
+	copy(pubKeyHashWitnessProgram[:], a.witnessProgram)
+	return &pubKeyHashWitnessProgram
 }
 
 // AddressWitnessScriptHash is an Address for a pay-to-witness-script-hash
@@ -602,20 +648,22 @@ func (a *AddressWitnessPubKeyHash) Hash160() *[20]byte {
 // witness address encoding:
 // https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki
 type AddressWitnessScriptHash struct {
-	hrp            string
-	witnessVersion byte
-	witnessProgram [32]byte
+	AddressSegWit
 }
 
 // NewAddressWitnessScriptHash returns a new AddressWitnessPubKeyHash.
-func NewAddressWitnessScriptHash(witnessProg []byte, net *chaincfg.Params) (*AddressWitnessScriptHash, error) {
+func NewAddressWitnessScriptHash(witnessProg []byte,
+	net *chaincfg.Params) (*AddressWitnessScriptHash, error) {
+
 	return newAddressWitnessScriptHash(net.Bech32HRPSegwit, witnessProg)
 }
 
 // newAddressWitnessScriptHash is an internal helper function to create an
 // AddressWitnessScriptHash with a known human-readable part, rather than
 // looking it up through its parameters.
-func newAddressWitnessScriptHash(hrp string, witnessProg []byte) (*AddressWitnessScriptHash, error) {
+func newAddressWitnessScriptHash(hrp string,
+	witnessProg []byte) (*AddressWitnessScriptHash, error) {
+
 	// Check for valid program length for witness version 0, which is 32
 	// for P2WSH.
 	if len(witnessProg) != 32 {
@@ -624,60 +672,49 @@ func newAddressWitnessScriptHash(hrp string, witnessProg []byte) (*AddressWitnes
 	}
 
 	addr := &AddressWitnessScriptHash{
-		hrp:            strings.ToLower(hrp),
-		witnessVersion: 0x00,
+		AddressSegWit{
+			hrp:            strings.ToLower(hrp),
+			witnessVersion: 0x00,
+			witnessProgram: witnessProg,
+		},
 	}
 
-	copy(addr.witnessProgram[:], witnessProg)
-
 	return addr, nil
 }
 
-// EncodeAddress returns the bech32 string encoding of an
-// AddressWitnessScriptHash.
-// Part of the Address interface.
-func (a *AddressWitnessScriptHash) EncodeAddress() string {
-	str, err := encodeSegWitAddress(a.hrp, a.witnessVersion,
-		a.witnessProgram[:])
-	if err != nil {
-		return ""
+// AddressTaproot is an Address for a pay-to-taproot (P2TR) output. See BIP 341
+// for further details.
+type AddressTaproot struct {
+	AddressSegWit
+}
+
+// NewAddressTaproot returns a new AddressTaproot.
+func NewAddressTaproot(witnessProg []byte,
+	net *chaincfg.Params) (*AddressTaproot, error) {
+
+	return newAddressTaproot(net.Bech32HRPSegwit, witnessProg)
+}
+
+// newAddressWitnessScriptHash is an internal helper function to create an
+// AddressWitnessScriptHash with a known human-readable part, rather than
+// looking it up through its parameters.
+func newAddressTaproot(hrp string,
+	witnessProg []byte) (*AddressTaproot, error) {
+
+	// Check for valid program length for witness version 1, which is 32
+	// for P2TR.
+	if len(witnessProg) != 32 {
+		return nil, errors.New("witness program must be 32 bytes for " +
+			"p2tr")
 	}
-	return str
-}
 
-// ScriptAddress returns the witness program for this address.
-// Part of the Address interface.
-func (a *AddressWitnessScriptHash) ScriptAddress() []byte {
-	return a.witnessProgram[:]
-}
+	addr := &AddressTaproot{
+		AddressSegWit{
+			hrp:            strings.ToLower(hrp),
+			witnessVersion: 0x01,
+			witnessProgram: witnessProg,
+		},
+	}
 
-// IsForNet returns whether or not the AddressWitnessScriptHash is associated
-// with the passed bitcoin network.
-// Part of the Address interface.
-func (a *AddressWitnessScriptHash) IsForNet(net *chaincfg.Params) bool {
-	return a.hrp == net.Bech32HRPSegwit
-}
-
-// String returns a human-readable string for the AddressWitnessScriptHash.
-// This is equivalent to calling EncodeAddress, but is provided so the type
-// can be used as a fmt.Stringer.
-// Part of the Address interface.
-func (a *AddressWitnessScriptHash) String() string {
-	return a.EncodeAddress()
-}
-
-// Hrp returns the human-readable part of the bech32 encoded
-// AddressWitnessScriptHash.
-func (a *AddressWitnessScriptHash) Hrp() string {
-	return a.hrp
-}
-
-// WitnessVersion returns the witness version of the AddressWitnessScriptHash.
-func (a *AddressWitnessScriptHash) WitnessVersion() byte {
-	return a.witnessVersion
-}
-
-// WitnessProgram returns the witness program of the AddressWitnessScriptHash.
-func (a *AddressWitnessScriptHash) WitnessProgram() []byte {
-	return a.witnessProgram[:]
+	return addr, nil
 }

address_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil_test
+package lbcutil_test
 
 import (
 	"bytes"
@@ -12,9 +12,9 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/btcsuite/btcd/chaincfg"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil"
+	"github.com/lbryio/lbcd/chaincfg"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil"
 	"golang.org/x/crypto/ripemd160"
 )
 
@@ -50,8 +50,8 @@ func TestAddresses(t *testing.T) {
 		addr    string
 		encoded string
 		valid   bool
-		result  btcutil.Address
-		f       func() (btcutil.Address, error)
+		result  lbcutil.Address
+		f       func() (lbcutil.Address, error)
 		net     *chaincfg.Params
 	}{
 		// Positive P2PKH tests.
@@ -60,16 +60,16 @@ func TestAddresses(t *testing.T) {
 			addr:    "1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX",
 			encoded: "1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX",
 			valid:   true,
-			result: btcutil.TstAddressPubKeyHash(
+			result: lbcutil.TstAddressPubKeyHash(
 				[ripemd160.Size]byte{
 					0xe3, 0x4c, 0xce, 0x70, 0xc8, 0x63, 0x73, 0x27, 0x3e, 0xfc,
 					0xc5, 0x4c, 0xe7, 0xd2, 0xa4, 0x91, 0xbb, 0x4a, 0x0e, 0x84},
 				chaincfg.MainNetParams.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				pkHash := []byte{
 					0xe3, 0x4c, 0xce, 0x70, 0xc8, 0x63, 0x73, 0x27, 0x3e, 0xfc,
 					0xc5, 0x4c, 0xe7, 0xd2, 0xa4, 0x91, 0xbb, 0x4a, 0x0e, 0x84}
-				return btcutil.NewAddressPubKeyHash(pkHash, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressPubKeyHash(pkHash, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -78,16 +78,16 @@ func TestAddresses(t *testing.T) {
 			addr:    "12MzCDwodF9G1e7jfwLXfR164RNtx4BRVG",
 			encoded: "12MzCDwodF9G1e7jfwLXfR164RNtx4BRVG",
 			valid:   true,
-			result: btcutil.TstAddressPubKeyHash(
+			result: lbcutil.TstAddressPubKeyHash(
 				[ripemd160.Size]byte{
 					0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b, 0xf4,
 					0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad, 0xaa},
 				chaincfg.MainNetParams.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				pkHash := []byte{
 					0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b, 0xf4,
 					0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad, 0xaa}
-				return btcutil.NewAddressPubKeyHash(pkHash, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressPubKeyHash(pkHash, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -96,16 +96,16 @@ func TestAddresses(t *testing.T) {
 			addr:    "LM2WMpR1Rp6j3Sa59cMXMs1SPzj9eXpGc1",
 			encoded: "LM2WMpR1Rp6j3Sa59cMXMs1SPzj9eXpGc1",
 			valid:   true,
-			result: btcutil.TstAddressPubKeyHash(
+			result: lbcutil.TstAddressPubKeyHash(
 				[ripemd160.Size]byte{
 					0x13, 0xc6, 0x0d, 0x8e, 0x68, 0xd7, 0x34, 0x9f, 0x5b, 0x4c,
 					0xa3, 0x62, 0xc3, 0x95, 0x4b, 0x15, 0x04, 0x50, 0x61, 0xb1},
 				CustomParams.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				pkHash := []byte{
 					0x13, 0xc6, 0x0d, 0x8e, 0x68, 0xd7, 0x34, 0x9f, 0x5b, 0x4c,
 					0xa3, 0x62, 0xc3, 0x95, 0x4b, 0x15, 0x04, 0x50, 0x61, 0xb1}
-				return btcutil.NewAddressPubKeyHash(pkHash, &customParams)
+				return lbcutil.NewAddressPubKeyHash(pkHash, &customParams)
 			},
 			net: &customParams,
 		},
@@ -114,16 +114,16 @@ func TestAddresses(t *testing.T) {
 			addr:    "mrX9vMRYLfVy1BnZbc5gZjuyaqH3ZW2ZHz",
 			encoded: "mrX9vMRYLfVy1BnZbc5gZjuyaqH3ZW2ZHz",
 			valid:   true,
-			result: btcutil.TstAddressPubKeyHash(
+			result: lbcutil.TstAddressPubKeyHash(
 				[ripemd160.Size]byte{
 					0x78, 0xb3, 0x16, 0xa0, 0x86, 0x47, 0xd5, 0xb7, 0x72, 0x83,
 					0xe5, 0x12, 0xd3, 0x60, 0x3f, 0x1f, 0x1c, 0x8d, 0xe6, 0x8f},
 				chaincfg.TestNet3Params.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				pkHash := []byte{
 					0x78, 0xb3, 0x16, 0xa0, 0x86, 0x47, 0xd5, 0xb7, 0x72, 0x83,
 					0xe5, 0x12, 0xd3, 0x60, 0x3f, 0x1f, 0x1c, 0x8d, 0xe6, 0x8f}
-				return btcutil.NewAddressPubKeyHash(pkHash, &chaincfg.TestNet3Params)
+				return lbcutil.NewAddressPubKeyHash(pkHash, &chaincfg.TestNet3Params)
 			},
 			net: &chaincfg.TestNet3Params,
 		},
@@ -133,12 +133,12 @@ func TestAddresses(t *testing.T) {
 			name:  "p2pkh wrong hash length",
 			addr:  "",
 			valid: false,
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				pkHash := []byte{
 					0x00, 0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b,
 					0xf4, 0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad,
 					0xaa}
-				return btcutil.NewAddressPubKeyHash(pkHash, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressPubKeyHash(pkHash, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -158,12 +158,12 @@ func TestAddresses(t *testing.T) {
 			addr:    "3QJmV3qfvL9SuYo34YihAf3sRCW3qSinyC",
 			encoded: "3QJmV3qfvL9SuYo34YihAf3sRCW3qSinyC",
 			valid:   true,
-			result: btcutil.TstAddressScriptHash(
+			result: lbcutil.TstAddressScriptHash(
 				[ripemd160.Size]byte{
 					0xf8, 0x15, 0xb0, 0x36, 0xd9, 0xbb, 0xbc, 0xe5, 0xe9, 0xf2,
 					0xa0, 0x0a, 0xbd, 0x1b, 0xf3, 0xdc, 0x91, 0xe9, 0x55, 0x10},
 				chaincfg.MainNetParams.ScriptHashAddrID),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				script := []byte{
 					0x52, 0x41, 0x04, 0x91, 0xbb, 0xa2, 0x51, 0x09, 0x12, 0xa5,
 					0xbd, 0x37, 0xda, 0x1f, 0xb5, 0xb1, 0x67, 0x30, 0x10, 0xe4,
@@ -186,7 +186,7 @@ func TestAddresses(t *testing.T) {
 					0xdb, 0xfb, 0x1e, 0x75, 0x4e, 0x35, 0xfa, 0x1c, 0x78, 0x44,
 					0xc4, 0x1f, 0x32, 0x2a, 0x18, 0x63, 0xd4, 0x62, 0x13, 0x53,
 					0xae}
-				return btcutil.NewAddressScriptHash(script, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressScriptHash(script, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -195,16 +195,16 @@ func TestAddresses(t *testing.T) {
 			addr:    "MVcg9uEvtWuP5N6V48EHfEtbz48qR8TKZ9",
 			encoded: "MVcg9uEvtWuP5N6V48EHfEtbz48qR8TKZ9",
 			valid:   true,
-			result: btcutil.TstAddressScriptHash(
+			result: lbcutil.TstAddressScriptHash(
 				[ripemd160.Size]byte{
 					0xee, 0x34, 0xac, 0x67, 0x6b, 0xda, 0xf6, 0xe3, 0x70, 0xc8,
 					0xc8, 0x20, 0xb9, 0x48, 0xed, 0xfa, 0xd3, 0xa8, 0x73, 0xd8},
 				CustomParams.ScriptHashAddrID),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				pkHash := []byte{
 					0xEE, 0x34, 0xAC, 0x67, 0x6B, 0xDA, 0xF6, 0xE3, 0x70, 0xC8,
 					0xC8, 0x20, 0xB9, 0x48, 0xED, 0xFA, 0xD3, 0xA8, 0x73, 0xD8}
-				return btcutil.NewAddressScriptHashFromHash(pkHash, &customParams)
+				return lbcutil.NewAddressScriptHashFromHash(pkHash, &customParams)
 			},
 			net: &customParams,
 		},
@@ -216,16 +216,16 @@ func TestAddresses(t *testing.T) {
 			addr:    "3NukJ6fYZJ5Kk8bPjycAnruZkE5Q7UW7i8",
 			encoded: "3NukJ6fYZJ5Kk8bPjycAnruZkE5Q7UW7i8",
 			valid:   true,
-			result: btcutil.TstAddressScriptHash(
+			result: lbcutil.TstAddressScriptHash(
 				[ripemd160.Size]byte{
 					0xe8, 0xc3, 0x00, 0xc8, 0x79, 0x86, 0xef, 0xa8, 0x4c, 0x37,
 					0xc0, 0x51, 0x99, 0x29, 0x01, 0x9e, 0xf8, 0x6e, 0xb5, 0xb4},
 				chaincfg.MainNetParams.ScriptHashAddrID),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				hash := []byte{
 					0xe8, 0xc3, 0x00, 0xc8, 0x79, 0x86, 0xef, 0xa8, 0x4c, 0x37,
 					0xc0, 0x51, 0x99, 0x29, 0x01, 0x9e, 0xf8, 0x6e, 0xb5, 0xb4}
-				return btcutil.NewAddressScriptHashFromHash(hash, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressScriptHashFromHash(hash, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -235,16 +235,16 @@ func TestAddresses(t *testing.T) {
 			addr:    "2NBFNJTktNa7GZusGbDbGKRZTxdK9VVez3n",
 			encoded: "2NBFNJTktNa7GZusGbDbGKRZTxdK9VVez3n",
 			valid:   true,
-			result: btcutil.TstAddressScriptHash(
+			result: lbcutil.TstAddressScriptHash(
 				[ripemd160.Size]byte{
 					0xc5, 0x79, 0x34, 0x2c, 0x2c, 0x4c, 0x92, 0x20, 0x20, 0x5e,
 					0x2c, 0xdc, 0x28, 0x56, 0x17, 0x04, 0x0c, 0x92, 0x4a, 0x0a},
 				chaincfg.TestNet3Params.ScriptHashAddrID),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				hash := []byte{
 					0xc5, 0x79, 0x34, 0x2c, 0x2c, 0x4c, 0x92, 0x20, 0x20, 0x5e,
 					0x2c, 0xdc, 0x28, 0x56, 0x17, 0x04, 0x0c, 0x92, 0x4a, 0x0a}
-				return btcutil.NewAddressScriptHashFromHash(hash, &chaincfg.TestNet3Params)
+				return lbcutil.NewAddressScriptHashFromHash(hash, &chaincfg.TestNet3Params)
 			},
 			net: &chaincfg.TestNet3Params,
 		},
@@ -254,12 +254,12 @@ func TestAddresses(t *testing.T) {
 			name:  "p2sh wrong hash length",
 			addr:  "",
 			valid: false,
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				hash := []byte{
 					0x00, 0xf8, 0x15, 0xb0, 0x36, 0xd9, 0xbb, 0xbc, 0xe5, 0xe9,
 					0xf2, 0xa0, 0x0a, 0xbd, 0x1b, 0xf3, 0xdc, 0x91, 0xe9, 0x55,
 					0x10}
-				return btcutil.NewAddressScriptHashFromHash(hash, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressScriptHashFromHash(hash, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -270,20 +270,20 @@ func TestAddresses(t *testing.T) {
 			addr:    "02192d74d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b4",
 			encoded: "13CG6SJ3yHUXo4Cr2RY4THLLJrNFuG3gUg",
 			valid:   true,
-			result: btcutil.TstAddressPubKey(
+			result: lbcutil.TstAddressPubKey(
 				[]byte{
 					0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
 					0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
 					0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca,
 					0x52, 0xc6, 0xb4},
-				btcutil.PKFCompressed, chaincfg.MainNetParams.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+				lbcutil.PKFCompressed, chaincfg.MainNetParams.PubKeyHashAddrID),
+			f: func() (lbcutil.Address, error) {
 				serializedPubKey := []byte{
 					0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
 					0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
 					0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca,
 					0x52, 0xc6, 0xb4}
-				return btcutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -292,20 +292,20 @@ func TestAddresses(t *testing.T) {
 			addr:    "03b0bd634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e65",
 			encoded: "15sHANNUBSh6nDp8XkDPmQcW6n3EFwmvE6",
 			valid:   true,
-			result: btcutil.TstAddressPubKey(
+			result: lbcutil.TstAddressPubKey(
 				[]byte{
 					0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
 					0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
 					0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e,
 					0xb1, 0x6e, 0x65},
-				btcutil.PKFCompressed, chaincfg.MainNetParams.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+				lbcutil.PKFCompressed, chaincfg.MainNetParams.PubKeyHashAddrID),
+			f: func() (lbcutil.Address, error) {
 				serializedPubKey := []byte{
 					0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
 					0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
 					0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e,
 					0xb1, 0x6e, 0x65}
-				return btcutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -315,7 +315,7 @@ func TestAddresses(t *testing.T) {
 				"e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3",
 			encoded: "12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S",
 			valid:   true,
-			result: btcutil.TstAddressPubKey(
+			result: lbcutil.TstAddressPubKey(
 				[]byte{
 					0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01, 0x6b,
 					0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6, 0x8a, 0x38,
@@ -324,8 +324,8 @@ func TestAddresses(t *testing.T) {
 					0xf9, 0x74, 0x44, 0x64, 0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b,
 					0x8b, 0x64, 0xf9, 0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43,
 					0xf6, 0x56, 0xb4, 0x12, 0xa3},
-				btcutil.PKFUncompressed, chaincfg.MainNetParams.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+				lbcutil.PKFUncompressed, chaincfg.MainNetParams.PubKeyHashAddrID),
+			f: func() (lbcutil.Address, error) {
 				serializedPubKey := []byte{
 					0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01, 0x6b,
 					0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6, 0x8a, 0x38,
@@ -334,7 +334,7 @@ func TestAddresses(t *testing.T) {
 					0xf9, 0x74, 0x44, 0x64, 0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b,
 					0x8b, 0x64, 0xf9, 0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43,
 					0xf6, 0x56, 0xb4, 0x12, 0xa3}
-				return btcutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -344,7 +344,7 @@ func TestAddresses(t *testing.T) {
 				"0d45264838c0bd96852662ce6a847b197376830160c6d2eb5e6a4c44d33f453e",
 			encoded: "1Ja5rs7XBZnK88EuLVcFqYGMEbBitzchmX",
 			valid:   true,
-			result: btcutil.TstAddressPubKey(
+			result: lbcutil.TstAddressPubKey(
 				[]byte{
 					0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
 					0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
@@ -353,8 +353,8 @@ func TestAddresses(t *testing.T) {
 					0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73,
 					0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c,
 					0x44, 0xd3, 0x3f, 0x45, 0x3e},
-				btcutil.PKFHybrid, chaincfg.MainNetParams.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+				lbcutil.PKFHybrid, chaincfg.MainNetParams.PubKeyHashAddrID),
+			f: func() (lbcutil.Address, error) {
 				serializedPubKey := []byte{
 					0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
 					0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
@@ -363,7 +363,7 @@ func TestAddresses(t *testing.T) {
 					0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73,
 					0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c,
 					0x44, 0xd3, 0x3f, 0x45, 0x3e}
-				return btcutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -373,7 +373,7 @@ func TestAddresses(t *testing.T) {
 				"37a576782eba668a7ef8bd3b3cfb1edb7117ab65129b8a2e681f3c1e0908ef7b",
 			encoded: "1ExqMmf6yMxcBMzHjbj41wbqYuqoX6uBLG",
 			valid:   true,
-			result: btcutil.TstAddressPubKey(
+			result: lbcutil.TstAddressPubKey(
 				[]byte{
 					0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
 					0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
@@ -382,8 +382,8 @@ func TestAddresses(t *testing.T) {
 					0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71,
 					0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c,
 					0x1e, 0x09, 0x08, 0xef, 0x7b},
-				btcutil.PKFHybrid, chaincfg.MainNetParams.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+				lbcutil.PKFHybrid, chaincfg.MainNetParams.PubKeyHashAddrID),
+			f: func() (lbcutil.Address, error) {
 				serializedPubKey := []byte{
 					0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
 					0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
@@ -392,7 +392,7 @@ func TestAddresses(t *testing.T) {
 					0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71,
 					0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c,
 					0x1e, 0x09, 0x08, 0xef, 0x7b}
-				return btcutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressPubKey(serializedPubKey, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -401,20 +401,20 @@ func TestAddresses(t *testing.T) {
 			addr:    "02192d74d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b4",
 			encoded: "mhiDPVP2nJunaAgTjzWSHCYfAqxxrxzjmo",
 			valid:   true,
-			result: btcutil.TstAddressPubKey(
+			result: lbcutil.TstAddressPubKey(
 				[]byte{
 					0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
 					0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
 					0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca,
 					0x52, 0xc6, 0xb4},
-				btcutil.PKFCompressed, chaincfg.TestNet3Params.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+				lbcutil.PKFCompressed, chaincfg.TestNet3Params.PubKeyHashAddrID),
+			f: func() (lbcutil.Address, error) {
 				serializedPubKey := []byte{
 					0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
 					0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
 					0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca,
 					0x52, 0xc6, 0xb4}
-				return btcutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
+				return lbcutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
 			},
 			net: &chaincfg.TestNet3Params,
 		},
@@ -423,20 +423,20 @@ func TestAddresses(t *testing.T) {
 			addr:    "03b0bd634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e65",
 			encoded: "mkPETRTSzU8MZLHkFKBmbKppxmdw9qT42t",
 			valid:   true,
-			result: btcutil.TstAddressPubKey(
+			result: lbcutil.TstAddressPubKey(
 				[]byte{
 					0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
 					0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
 					0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e,
 					0xb1, 0x6e, 0x65},
-				btcutil.PKFCompressed, chaincfg.TestNet3Params.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+				lbcutil.PKFCompressed, chaincfg.TestNet3Params.PubKeyHashAddrID),
+			f: func() (lbcutil.Address, error) {
 				serializedPubKey := []byte{
 					0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
 					0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
 					0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e,
 					0xb1, 0x6e, 0x65}
-				return btcutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
+				return lbcutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
 			},
 			net: &chaincfg.TestNet3Params,
 		},
@@ -446,7 +446,7 @@ func TestAddresses(t *testing.T) {
 				"cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3",
 			encoded: "mh8YhPYEAYs3E7EVyKtB5xrcfMExkkdEMF",
 			valid:   true,
-			result: btcutil.TstAddressPubKey(
+			result: lbcutil.TstAddressPubKey(
 				[]byte{
 					0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01, 0x6b,
 					0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6, 0x8a, 0x38,
@@ -455,8 +455,8 @@ func TestAddresses(t *testing.T) {
 					0xf9, 0x74, 0x44, 0x64, 0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b,
 					0x8b, 0x64, 0xf9, 0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43,
 					0xf6, 0x56, 0xb4, 0x12, 0xa3},
-				btcutil.PKFUncompressed, chaincfg.TestNet3Params.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+				lbcutil.PKFUncompressed, chaincfg.TestNet3Params.PubKeyHashAddrID),
+			f: func() (lbcutil.Address, error) {
 				serializedPubKey := []byte{
 					0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01, 0x6b,
 					0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6, 0x8a, 0x38,
@@ -465,7 +465,7 @@ func TestAddresses(t *testing.T) {
 					0xf9, 0x74, 0x44, 0x64, 0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b,
 					0x8b, 0x64, 0xf9, 0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43,
 					0xf6, 0x56, 0xb4, 0x12, 0xa3}
-				return btcutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
+				return lbcutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
 			},
 			net: &chaincfg.TestNet3Params,
 		},
@@ -475,7 +475,7 @@ func TestAddresses(t *testing.T) {
 				"40d45264838c0bd96852662ce6a847b197376830160c6d2eb5e6a4c44d33f453e",
 			encoded: "my639vCVzbDZuEiX44adfTUg6anRomZLEP",
 			valid:   true,
-			result: btcutil.TstAddressPubKey(
+			result: lbcutil.TstAddressPubKey(
 				[]byte{
 					0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
 					0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
@@ -484,8 +484,8 @@ func TestAddresses(t *testing.T) {
 					0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73,
 					0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c,
 					0x44, 0xd3, 0x3f, 0x45, 0x3e},
-				btcutil.PKFHybrid, chaincfg.TestNet3Params.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+				lbcutil.PKFHybrid, chaincfg.TestNet3Params.PubKeyHashAddrID),
+			f: func() (lbcutil.Address, error) {
 				serializedPubKey := []byte{
 					0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95,
 					0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03,
@@ -494,7 +494,7 @@ func TestAddresses(t *testing.T) {
 					0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73,
 					0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c,
 					0x44, 0xd3, 0x3f, 0x45, 0x3e}
-				return btcutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
+				return lbcutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
 			},
 			net: &chaincfg.TestNet3Params,
 		},
@@ -504,7 +504,7 @@ func TestAddresses(t *testing.T) {
 				"537a576782eba668a7ef8bd3b3cfb1edb7117ab65129b8a2e681f3c1e0908ef7b",
 			encoded: "muUnepk5nPPrxUTuTAhRqrpAQuSWS5fVii",
 			valid:   true,
-			result: btcutil.TstAddressPubKey(
+			result: lbcutil.TstAddressPubKey(
 				[]byte{
 					0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
 					0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
@@ -513,8 +513,8 @@ func TestAddresses(t *testing.T) {
 					0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71,
 					0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c,
 					0x1e, 0x09, 0x08, 0xef, 0x7b},
-				btcutil.PKFHybrid, chaincfg.TestNet3Params.PubKeyHashAddrID),
-			f: func() (btcutil.Address, error) {
+				lbcutil.PKFHybrid, chaincfg.TestNet3Params.PubKeyHashAddrID),
+			f: func() (lbcutil.Address, error) {
 				serializedPubKey := []byte{
 					0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1,
 					0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0,
@@ -523,7 +523,7 @@ func TestAddresses(t *testing.T) {
 					0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71,
 					0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c,
 					0x1e, 0x09, 0x08, 0xef, 0x7b}
-				return btcutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
+				return lbcutil.NewAddressPubKey(serializedPubKey, &chaincfg.TestNet3Params)
 			},
 			net: &chaincfg.TestNet3Params,
 		},
@@ -533,17 +533,17 @@ func TestAddresses(t *testing.T) {
 			addr:    "BC1QW508D6QEJXTDG4Y5R3ZARVARY0C5XW7KV8F3T4",
 			encoded: "bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4",
 			valid:   true,
-			result: btcutil.TstAddressWitnessPubKeyHash(
+			result: lbcutil.TstAddressWitnessPubKeyHash(
 				0,
 				[20]byte{
 					0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
 					0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6},
 				chaincfg.MainNetParams.Bech32HRPSegwit),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				pkHash := []byte{
 					0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
 					0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6}
-				return btcutil.NewAddressWitnessPubKeyHash(pkHash, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressWitnessPubKeyHash(pkHash, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -552,7 +552,7 @@ func TestAddresses(t *testing.T) {
 			addr:    "bc1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qccfmv3",
 			encoded: "bc1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qccfmv3",
 			valid:   true,
-			result: btcutil.TstAddressWitnessScriptHash(
+			result: lbcutil.TstAddressWitnessScriptHash(
 				0,
 				[32]byte{
 					0x18, 0x63, 0x14, 0x3c, 0x14, 0xc5, 0x16, 0x68,
@@ -560,13 +560,13 @@ func TestAddresses(t *testing.T) {
 					0x6c, 0x98, 0x56, 0x78, 0xcd, 0x4d, 0x27, 0xa1,
 					0xb8, 0xc6, 0x32, 0x96, 0x04, 0x90, 0x32, 0x62},
 				chaincfg.MainNetParams.Bech32HRPSegwit),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				scriptHash := []byte{
 					0x18, 0x63, 0x14, 0x3c, 0x14, 0xc5, 0x16, 0x68,
 					0x04, 0xbd, 0x19, 0x20, 0x33, 0x56, 0xda, 0x13,
 					0x6c, 0x98, 0x56, 0x78, 0xcd, 0x4d, 0x27, 0xa1,
 					0xb8, 0xc6, 0x32, 0x96, 0x04, 0x90, 0x32, 0x62}
-				return btcutil.NewAddressWitnessScriptHash(scriptHash, &chaincfg.MainNetParams)
+				return lbcutil.NewAddressWitnessScriptHash(scriptHash, &chaincfg.MainNetParams)
 			},
 			net: &chaincfg.MainNetParams,
 		},
@@ -575,17 +575,17 @@ func TestAddresses(t *testing.T) {
 			addr:    "tb1qw508d6qejxtdg4y5r3zarvary0c5xw7kxpjzsx",
 			encoded: "tb1qw508d6qejxtdg4y5r3zarvary0c5xw7kxpjzsx",
 			valid:   true,
-			result: btcutil.TstAddressWitnessPubKeyHash(
+			result: lbcutil.TstAddressWitnessPubKeyHash(
 				0,
 				[20]byte{
 					0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
 					0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6},
 				chaincfg.TestNet3Params.Bech32HRPSegwit),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				pkHash := []byte{
 					0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
 					0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6}
-				return btcutil.NewAddressWitnessPubKeyHash(pkHash, &chaincfg.TestNet3Params)
+				return lbcutil.NewAddressWitnessPubKeyHash(pkHash, &chaincfg.TestNet3Params)
 			},
 			net: &chaincfg.TestNet3Params,
 		},
@@ -594,7 +594,7 @@ func TestAddresses(t *testing.T) {
 			addr:    "tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sl5k7",
 			encoded: "tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sl5k7",
 			valid:   true,
-			result: btcutil.TstAddressWitnessScriptHash(
+			result: lbcutil.TstAddressWitnessScriptHash(
 				0,
 				[32]byte{
 					0x18, 0x63, 0x14, 0x3c, 0x14, 0xc5, 0x16, 0x68,
@@ -602,13 +602,13 @@ func TestAddresses(t *testing.T) {
 					0x6c, 0x98, 0x56, 0x78, 0xcd, 0x4d, 0x27, 0xa1,
 					0xb8, 0xc6, 0x32, 0x96, 0x04, 0x90, 0x32, 0x62},
 				chaincfg.TestNet3Params.Bech32HRPSegwit),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				scriptHash := []byte{
 					0x18, 0x63, 0x14, 0x3c, 0x14, 0xc5, 0x16, 0x68,
 					0x04, 0xbd, 0x19, 0x20, 0x33, 0x56, 0xda, 0x13,
 					0x6c, 0x98, 0x56, 0x78, 0xcd, 0x4d, 0x27, 0xa1,
 					0xb8, 0xc6, 0x32, 0x96, 0x04, 0x90, 0x32, 0x62}
-				return btcutil.NewAddressWitnessScriptHash(scriptHash, &chaincfg.TestNet3Params)
+				return lbcutil.NewAddressWitnessScriptHash(scriptHash, &chaincfg.TestNet3Params)
 			},
 			net: &chaincfg.TestNet3Params,
 		},
@@ -617,7 +617,7 @@ func TestAddresses(t *testing.T) {
 			addr:    "tb1qqqqqp399et2xygdj5xreqhjjvcmzhxw4aywxecjdzew6hylgvsesrxh6hy",
 			encoded: "tb1qqqqqp399et2xygdj5xreqhjjvcmzhxw4aywxecjdzew6hylgvsesrxh6hy",
 			valid:   true,
-			result: btcutil.TstAddressWitnessScriptHash(
+			result: lbcutil.TstAddressWitnessScriptHash(
 				0,
 				[32]byte{
 					0x00, 0x00, 0x00, 0xc4, 0xa5, 0xca, 0xd4, 0x62,
@@ -625,13 +625,13 @@ func TestAddresses(t *testing.T) {
 					0x36, 0x2b, 0x99, 0xd5, 0xe9, 0x1c, 0x6c, 0xe2,
 					0x4d, 0x16, 0x5d, 0xab, 0x93, 0xe8, 0x64, 0x33},
 				chaincfg.TestNet3Params.Bech32HRPSegwit),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				scriptHash := []byte{
 					0x00, 0x00, 0x00, 0xc4, 0xa5, 0xca, 0xd4, 0x62,
 					0x21, 0xb2, 0xa1, 0x87, 0x90, 0x5e, 0x52, 0x66,
 					0x36, 0x2b, 0x99, 0xd5, 0xe9, 0x1c, 0x6c, 0xe2,
 					0x4d, 0x16, 0x5d, 0xab, 0x93, 0xe8, 0x64, 0x33}
-				return btcutil.NewAddressWitnessScriptHash(scriptHash, &chaincfg.TestNet3Params)
+				return lbcutil.NewAddressWitnessScriptHash(scriptHash, &chaincfg.TestNet3Params)
 			},
 			net: &chaincfg.TestNet3Params,
 		},
@@ -640,28 +640,138 @@ func TestAddresses(t *testing.T) {
 			addr:    "LTC1QW508D6QEJXTDG4Y5R3ZARVARY0C5XW7KGMN4N9",
 			encoded: "ltc1qw508d6qejxtdg4y5r3zarvary0c5xw7kgmn4n9",
 			valid:   true,
-			result: btcutil.TstAddressWitnessPubKeyHash(
+			result: lbcutil.TstAddressWitnessPubKeyHash(
 				0,
 				[20]byte{
 					0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
 					0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6},
 				CustomParams.Bech32HRPSegwit,
 			),
-			f: func() (btcutil.Address, error) {
+			f: func() (lbcutil.Address, error) {
 				pkHash := []byte{
 					0x75, 0x1e, 0x76, 0xe8, 0x19, 0x91, 0x96, 0xd4, 0x54, 0x94,
 					0x1c, 0x45, 0xd1, 0xb3, 0xa3, 0x23, 0xf1, 0x43, 0x3b, 0xd6}
-				return btcutil.NewAddressWitnessPubKeyHash(pkHash, &customParams)
+				return lbcutil.NewAddressWitnessPubKeyHash(pkHash, &customParams)
 			},
 			net: &customParams,
 		},
-		// Unsupported witness versions (version 0 only supported at this point)
+
+		// P2TR address tests.
 		{
-			name:  "segwit mainnet witness v1",
-			addr:  "bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7k7grplx",
+			name:    "segwit v1 mainnet p2tr",
+			addr:    "bc1paardr2nczq0rx5rqpfwnvpzm497zvux64y0f7wjgcs7xuuuh2nnqwr2d5c",
+			encoded: "bc1paardr2nczq0rx5rqpfwnvpzm497zvux64y0f7wjgcs7xuuuh2nnqwr2d5c",
+			valid:   true,
+			result: lbcutil.TstAddressTaproot(
+				1, [32]byte{
+					0xef, 0x46, 0xd1, 0xaa, 0x78, 0x10, 0x1e, 0x33,
+					0x50, 0x60, 0x0a, 0x5d, 0x36, 0x04, 0x5b, 0xa9,
+					0x7c, 0x26, 0x70, 0xda, 0xa9, 0x1e, 0x9f, 0x3a,
+					0x48, 0xc4, 0x3c, 0x6e, 0x73, 0x97, 0x54, 0xe6,
+				}, chaincfg.MainNetParams.Bech32HRPSegwit,
+			),
+			f: func() (lbcutil.Address, error) {
+				scriptHash := []byte{
+					0xef, 0x46, 0xd1, 0xaa, 0x78, 0x10, 0x1e, 0x33,
+					0x50, 0x60, 0x0a, 0x5d, 0x36, 0x04, 0x5b, 0xa9,
+					0x7c, 0x26, 0x70, 0xda, 0xa9, 0x1e, 0x9f, 0x3a,
+					0x48, 0xc4, 0x3c, 0x6e, 0x73, 0x97, 0x54, 0xe6,
+				}
+				return lbcutil.NewAddressTaproot(
+					scriptHash, &chaincfg.MainNetParams,
+				)
+			},
+			net: &chaincfg.MainNetParams,
+		},
+
+		// Invalid bech32m tests. Source:
+		// https://github.com/bitcoin/bips/blob/master/bip-0350.mediawiki
+		{
+			name:  "segwit v1 invalid human-readable part",
+			addr:  "tc1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vq5zuyut",
 			valid: false,
 			net:   &chaincfg.MainNetParams,
 		},
+		{
+			name:  "segwit v1 mainnet bech32 instead of bech32m",
+			addr:  "bc1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vqh2y7hd",
+			valid: false,
+			net:   &chaincfg.MainNetParams,
+		},
+		{
+			name:  "segwit v1 testnet bech32 instead of bech32m",
+			addr:  "tb1z0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vqglt7rf",
+			valid: false,
+			net:   &chaincfg.TestNet3Params,
+		},
+		{
+			name:  "segwit v1 mainnet bech32 instead of bech32m upper case",
+			addr:  "BC1S0XLXVLHEMJA6C4DQV22UAPCTQUPFHLXM9H8Z3K2E72Q4K9HCZ7VQ54WELL",
+			valid: false,
+			net:   &chaincfg.MainNetParams,
+		},
+		{
+			name:  "segwit v0 mainnet bech32m instead of bech32",
+			addr:  "bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kemeawh",
+			valid: false,
+			net:   &chaincfg.MainNetParams,
+		},
+		{
+			name:  "segwit v1 testnet bech32 instead of bech32m second test",
+			addr:  "tb1q0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vq24jc47",
+			valid: false,
+			net:   &chaincfg.TestNet3Params,
+		},
+		{
+			name:  "segwit v1 mainnet bech32m invalid character in checksum",
+			addr:  "bc1p38j9r5y49hruaue7wxjce0updqjuyyx0kh56v8s25huc6995vvpql3jow4",
+			valid: false,
+			net:   &chaincfg.MainNetParams,
+		},
+		{
+			name:  "segwit mainnet witness v17",
+			addr:  "BC130XLXVLHEMJA6C4DQV22UAPCTQUPFHLXM9H8Z3K2E72Q4K9HCZ7VQ7ZWS8R",
+			valid: false,
+			net:   &chaincfg.MainNetParams,
+		},
+		{
+			name:  "segwit v1 mainnet bech32m invalid program length (1 byte)",
+			addr:  "bc1pw5dgrnzv",
+			valid: false,
+			net:   &chaincfg.MainNetParams,
+		},
+		{
+			name:  "segwit v1 mainnet bech32m invalid program length (41 bytes)",
+			addr:  "bc1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7v8n0nx0muaewav253zgeav",
+			valid: false,
+			net:   &chaincfg.MainNetParams,
+		},
+		{
+			name:  "segwit v1 testnet bech32m mixed case",
+			addr:  "tb1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vq47Zagq",
+			valid: false,
+			net:   &chaincfg.TestNet3Params,
+		},
+		{
+			name:  "segwit v1 mainnet bech32m zero padding of more than 4 bits",
+			addr:  "bc1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7v07qwwzcrf",
+			valid: false,
+			net:   &chaincfg.MainNetParams,
+		},
+		{
+			name:  "segwit v1 mainnet bech32m non-zero padding in 8-to-5-conversion",
+			addr:  "tb1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vpggkg4j",
+			valid: false,
+			net:   &chaincfg.TestNet3Params,
+		},
+		{
+			name:  "segwit v1 mainnet bech32m empty data section",
+			addr:  "bc1gmk9yu",
+			valid: false,
+			net:   &chaincfg.MainNetParams,
+		},
+
+		// Unsupported witness versions (version 0 and 1 only supported at this point)
 		{
 			name:  "segwit mainnet witness v16",
 			addr:  "BC1SW50QA3JX3S",
@@ -737,7 +847,7 @@ func TestAddresses(t *testing.T) {
 
 	for _, test := range tests {
 		// Decode addr and compare error against valid.
-		decoded, err := btcutil.DecodeAddress(test.addr, test.net)
+		decoded, err := lbcutil.DecodeAddress(test.addr, test.net)
 		if (err == nil) != test.valid {
 			t.Errorf("%v: decoding test failed: %v", test.name, err)
 			return
@@ -766,7 +876,7 @@ func TestAddresses(t *testing.T) {
 			// Encode again and compare against the original.
 			encoded := decoded.EncodeAddress()
 			if test.encoded != encoded {
-				t.Errorf("%v: decoding and encoding produced different addressess: %v != %v",
+				t.Errorf("%v: decoding and encoding produced different addresses: %v != %v",
 					test.name, test.encoded, encoded)
 				return
 			}
@@ -774,20 +884,22 @@ func TestAddresses(t *testing.T) {
 			// Perform type-specific calculations.
 			var saddr []byte
 			switch d := decoded.(type) {
-			case *btcutil.AddressPubKeyHash:
-				saddr = btcutil.TstAddressSAddr(encoded)
+			case *lbcutil.AddressPubKeyHash:
+				saddr = lbcutil.TstAddressSAddr(encoded)
 
-			case *btcutil.AddressScriptHash:
-				saddr = btcutil.TstAddressSAddr(encoded)
+			case *lbcutil.AddressScriptHash:
+				saddr = lbcutil.TstAddressSAddr(encoded)
 
-			case *btcutil.AddressPubKey:
+			case *lbcutil.AddressPubKey:
 				// Ignore the error here since the script
 				// address is checked below.
 				saddr, _ = hex.DecodeString(d.String())
-			case *btcutil.AddressWitnessPubKeyHash:
-				saddr = btcutil.TstAddressSegwitSAddr(encoded)
-			case *btcutil.AddressWitnessScriptHash:
-				saddr = btcutil.TstAddressSegwitSAddr(encoded)
+			case *lbcutil.AddressWitnessPubKeyHash:
+				saddr = lbcutil.TstAddressSegwitSAddr(encoded)
+			case *lbcutil.AddressWitnessScriptHash:
+				saddr = lbcutil.TstAddressSegwitSAddr(encoded)
+			case *lbcutil.AddressTaproot:
+				saddr = lbcutil.TstAddressTaprootSAddr(encoded)
 			}
 
 			// Check script address, as well as the Hash160 method for P2PKH and
@@ -798,28 +910,28 @@ func TestAddresses(t *testing.T) {
 				return
 			}
 			switch a := decoded.(type) {
-			case *btcutil.AddressPubKeyHash:
+			case *lbcutil.AddressPubKeyHash:
 				if h := a.Hash160()[:]; !bytes.Equal(saddr, h) {
 					t.Errorf("%v: hashes do not match:\n%x != \n%x",
 						test.name, saddr, h)
 					return
 				}
 
-			case *btcutil.AddressScriptHash:
+			case *lbcutil.AddressScriptHash:
 				if h := a.Hash160()[:]; !bytes.Equal(saddr, h) {
 					t.Errorf("%v: hashes do not match:\n%x != \n%x",
 						test.name, saddr, h)
 					return
 				}
 
-			case *btcutil.AddressWitnessPubKeyHash:
+			case *lbcutil.AddressWitnessPubKeyHash:
 				if hrp := a.Hrp(); test.net.Bech32HRPSegwit != hrp {
 					t.Errorf("%v: hrps do not match:\n%x != \n%x",
 						test.name, test.net.Bech32HRPSegwit, hrp)
 					return
 				}
 
-				expVer := test.result.(*btcutil.AddressWitnessPubKeyHash).WitnessVersion()
+				expVer := test.result.(*lbcutil.AddressWitnessPubKeyHash).WitnessVersion()
 				if v := a.WitnessVersion(); v != expVer {
 					t.Errorf("%v: witness versions do not match:\n%x != \n%x",
 						test.name, expVer, v)
@@ -832,14 +944,14 @@ func TestAddresses(t *testing.T) {
 					return
 				}
 
-			case *btcutil.AddressWitnessScriptHash:
+			case *lbcutil.AddressWitnessScriptHash:
 				if hrp := a.Hrp(); test.net.Bech32HRPSegwit != hrp {
 					t.Errorf("%v: hrps do not match:\n%x != \n%x",
 						test.name, test.net.Bech32HRPSegwit, hrp)
 					return
 				}
 
-				expVer := test.result.(*btcutil.AddressWitnessScriptHash).WitnessVersion()
+				expVer := test.result.(*lbcutil.AddressWitnessScriptHash).WitnessVersion()
 				if v := a.WitnessVersion(); v != expVer {
 					t.Errorf("%v: witness versions do not match:\n%x != \n%x",
 						test.name, expVer, v)

amount.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil
+package lbcutil
 
 import (
 	"errors"
@@ -29,23 +29,23 @@ const (
 
 // String returns the unit as a string.  For recognized units, the SI
 // prefix is used, or "Satoshi" for the base unit.  For all unrecognized
-// units, "1eN BTC" is returned, where N is the AmountUnit.
+// units, "1eN LBC" is returned, where N is the AmountUnit.
 func (u AmountUnit) String() string {
 	switch u {
 	case AmountMegaBTC:
-		return "MBTC"
+		return "MLBC"
 	case AmountKiloBTC:
-		return "kBTC"
+		return "kLBC"
 	case AmountBTC:
-		return "BTC"
+		return "LBC"
 	case AmountMilliBTC:
-		return "mBTC"
+		return "mLBC"
 	case AmountMicroBTC:
-		return "μBTC"
+		return "μLBC"
 	case AmountSatoshi:
 		return "Satoshi"
 	default:
-		return "1e" + strconv.FormatInt(int64(u), 10) + " BTC"
+		return "1e" + strconv.FormatInt(int64(u), 10) + " LBC"
 	}
 }
 
@@ -72,7 +72,7 @@ func round(f float64) Amount {
 // NewAmount is for specifically for converting BTC to Satoshi.
 // For creating a new Amount with an int64 value which denotes a quantity of Satoshi,
 // do a simple type conversion from type int64 to Amount.
-// See GoDoc for example: http://godoc.org/github.com/btcsuite/btcutil#example-Amount
+// See GoDoc for example: http://godoc.org/github.com/lbryio/lbcutil#example-Amount
 func NewAmount(f float64) (Amount, error) {
 	// The amount is only considered invalid if it cannot be represented
 	// as an integer type.  This may happen if f is NaN or +-Infinity.
@@ -82,7 +82,7 @@ func NewAmount(f float64) (Amount, error) {
 	case math.IsInf(f, 1):
 		fallthrough
 	case math.IsInf(f, -1):
-		return 0, errors.New("invalid bitcoin amount")
+		return 0, errors.New("invalid coin amount")
 	}
 
 	return round(f * SatoshiPerBitcoin), nil
@@ -101,7 +101,7 @@ func (a Amount) ToBTC() float64 {
 
 // Format formats a monetary amount counted in bitcoin base units as a
 // string for a given unit.  The conversion will succeed for any unit,
-// however, known units will be formated with an appended label describing
+// however, known units will be formatted with an appended label describing
 // the units with SI notation, or "Satoshi" for the base unit.
 func (a Amount) Format(u AmountUnit) string {
 	units := " " + u.String()

amount_test.go

@@ -2,13 +2,13 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil_test
+package lbcutil_test
 
 import (
 	"math"
 	"testing"
 
-	. "github.com/btcsuite/btcutil"
+	. "github.com/lbryio/lbcutil"
 )
 
 func TestAmountCreation(t *testing.T) {
@@ -27,25 +27,25 @@ func TestAmountCreation(t *testing.T) {
 		},
 		{
 			name:     "max producible",
-			amount:   21e6,
+			amount:   21e9,
 			valid:    true,
 			expected: MaxSatoshi,
 		},
 		{
 			name:     "min producible",
-			amount:   -21e6,
+			amount:   -21e9,
 			valid:    true,
 			expected: -MaxSatoshi,
 		},
 		{
 			name:     "exceeds max producible",
-			amount:   21e6 + 1e-8,
+			amount:   21e9 + 1e-8,
 			valid:    true,
 			expected: MaxSatoshi + 1,
 		},
 		{
 			name:     "exceeds min producible",
-			amount:   -21e6 - 1e-8,
+			amount:   -21e9 - 1e-8,
 			valid:    true,
 			expected: -MaxSatoshi - 1,
 		},
@@ -119,40 +119,40 @@ func TestAmountUnitConversions(t *testing.T) {
 		s         string
 	}{
 		{
-			name:      "MBTC",
+			name:      "MLBC",
 			amount:    MaxSatoshi,
 			unit:      AmountMegaBTC,
-			converted: 21,
-			s:         "21 MBTC",
+			converted: 21000,
+			s:         "21000 MLBC",
 		},
 		{
-			name:      "kBTC",
+			name:      "kLBC",
 			amount:    44433322211100,
 			unit:      AmountKiloBTC,
 			converted: 444.33322211100,
-			s:         "444.333222111 kBTC",
+			s:         "444.333222111 kLBC",
 		},
 		{
-			name:      "BTC",
+			name:      "LBC",
 			amount:    44433322211100,
 			unit:      AmountBTC,
 			converted: 444333.22211100,
-			s:         "444333.222111 BTC",
+			s:         "444333.222111 LBC",
 		},
 		{
-			name:      "mBTC",
+			name:      "mLBC",
 			amount:    44433322211100,
 			unit:      AmountMilliBTC,
 			converted: 444333222.11100,
-			s:         "444333222.111 mBTC",
+			s:         "444333222.111 mLBC",
 		},
 		{
 
-			name:      "μBTC",
+			name:      "μLBC",
 			amount:    44433322211100,
 			unit:      AmountMicroBTC,
 			converted: 444333222111.00,
-			s:         "444333222111 μBTC",
+			s:         "444333222111 μLBC",
 		},
 		{
 
@@ -168,7 +168,7 @@ func TestAmountUnitConversions(t *testing.T) {
 			amount:    44433322211100,
 			unit:      AmountUnit(-1),
 			converted: 4443332.2211100,
-			s:         "4443332.22111 1e-1 BTC",
+			s:         "4443332.22111 1e-1 LBC",
 		},
 	}
 

appdata.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil
+package lbcutil
 
 import (
 	"os"
@@ -95,11 +95,12 @@ func appDataDir(goos, appName string, roaming bool) string {
 // (%LOCALAPPDATA%) that is used by default.
 //
 // Example results:
-//  dir := AppDataDir("myapp", false)
-//   POSIX (Linux/BSD): ~/.myapp
-//   Mac OS: $HOME/Library/Application Support/Myapp
-//   Windows: %LOCALAPPDATA%\Myapp
-//   Plan 9: $home/myapp
+//
+//	dir := AppDataDir("myapp", false)
+//	 POSIX (Linux/BSD): ~/.myapp
+//	 Mac OS: $HOME/Library/Application Support/Myapp
+//	 Windows: %LOCALAPPDATA%\Myapp
+//	 Plan 9: $home/myapp
 func AppDataDir(appName string, roaming bool) string {
 	return appDataDir(runtime.GOOS, appName, roaming)
 }

appdata_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil_test
+package lbcutil_test
 
 import (
 	"os"
@@ -12,7 +12,7 @@ import (
 	"testing"
 	"unicode"
 
-	"github.com/btcsuite/btcutil"
+	"github.com/lbryio/lbcutil"
 )
 
 // TestAppDataDir tests the API for AppDataDir to ensure it gives expected
@@ -122,7 +122,7 @@ func TestAppDataDir(t *testing.T) {
 
 	t.Logf("Running %d tests", len(tests))
 	for i, test := range tests {
-		ret := btcutil.TstAppDataDir(test.goos, test.appName, test.roaming)
+		ret := lbcutil.TstAppDataDir(test.goos, test.appName, test.roaming)
 		if ret != test.want {
 			t.Errorf("appDataDir #%d (%s) does not match - "+
 				"expected got %s, want %s", i, test.goos, ret,

base58/README.md

@@ -1,9 +1,7 @@
 base58
 ==========
 
-[![Build Status](http://img.shields.io/travis/btcsuite/btcutil.svg)](https://travis-ci.org/btcsuite/btcutil)
 [![ISC License](http://img.shields.io/badge/license-ISC-blue.svg)](http://copyfree.org)
-[![GoDoc](https://img.shields.io/badge/godoc-reference-blue.svg)](http://godoc.org/github.com/btcsuite/btcutil/base58)
 
 Package base58 provides an API for encoding and decoding to and from the
 modified base58 encoding.  It also provides an API to do Base58Check encoding,
@@ -11,24 +9,13 @@ as described [here](https://en.bitcoin.it/wiki/Base58Check_encoding).
 
 A comprehensive suite of tests is provided to ensure proper functionality.
 
-## Installation and Updating
-
-```bash
-$ go get -u github.com/btcsuite/btcutil/base58
-```
-
 ## Examples
 
-* [Decode Example](http://godoc.org/github.com/btcsuite/btcutil/base58#example-Decode)  
+* [Decode Example](http://godoc.org/github.com/lbryio/lbcutil/base58#example-Decode)  
   Demonstrates how to decode modified base58 encoded data.
-* [Encode Example](http://godoc.org/github.com/btcsuite/btcutil/base58#example-Encode)  
+* [Encode Example](http://godoc.org/github.com/lbryio/lbcutil/base58#example-Encode)  
   Demonstrates how to encode data using the modified base58 encoding scheme.
-* [CheckDecode Example](http://godoc.org/github.com/btcsuite/btcutil/base58#example-CheckDecode)  
+* [CheckDecode Example](http://godoc.org/github.com/lbryio/lbcutil/base58#example-CheckDecode)  
   Demonstrates how to decode Base58Check encoded data.
-* [CheckEncode Example](http://godoc.org/github.com/btcsuite/btcutil/base58#example-CheckEncode)  
-  Demonstrates how to encode data using the Base58Check encoding scheme.
-
-## License
-
-Package base58 is licensed under the [copyfree](http://copyfree.org) ISC
-License.
+* [CheckEncode Example](http://godoc.org/github.com/lbryio/lbcutil/base58#example-CheckEncode)  
+  Demonstrates how to encode data using the Base58Check encoding scheme.

base58/base58_test.go

@@ -9,7 +9,7 @@ import (
 	"encoding/hex"
 	"testing"
 
-	"github.com/btcsuite/btcutil/base58"
+	"github.com/lbryio/lbcutil/base58"
 )
 
 var stringTests = []struct {

base58/base58bench_test.go

@@ -8,7 +8,7 @@ import (
 	"bytes"
 	"testing"
 
-	"github.com/btcsuite/btcutil/base58"
+	"github.com/lbryio/lbcutil/base58"
 )
 
 var (

base58/base58check.go

@@ -28,7 +28,7 @@ func checksum(input []byte) (cksum [4]byte) {
 func CheckEncode(input []byte, version byte) string {
 	b := make([]byte, 0, 1+len(input)+4)
 	b = append(b, version)
-	b = append(b, input[:]...)
+	b = append(b, input...)
 	cksum := checksum(b)
 	b = append(b, cksum[:]...)
 	return Encode(b)

base58/base58check_test.go

@@ -7,7 +7,7 @@ package base58_test
 import (
 	"testing"
 
-	"github.com/btcsuite/btcutil/base58"
+	"github.com/lbryio/lbcutil/base58"
 )
 
 var checkEncodingStringTests = []struct {
@@ -37,11 +37,14 @@ func TestBase58Check(t *testing.T) {
 
 		// test decoding
 		res, version, err := base58.CheckDecode(test.out)
-		if err != nil {
+		switch {
+		case err != nil:
 			t.Errorf("CheckDecode test #%d failed with err: %v", x, err)
-		} else if version != test.version {
+
+		case version != test.version:
 			t.Errorf("CheckDecode test #%d failed: got version: %d want: %d", x, version, test.version)
-		} else if string(res) != test.in {
+
+		case string(res) != test.in:
 			t.Errorf("CheckDecode test #%d failed: got: %s want: %s", x, res, test.in)
 		}
 	}
@@ -56,7 +59,7 @@ func TestBase58Check(t *testing.T) {
 	// bytes are missing).
 	testString := ""
 	for len := 0; len < 4; len++ {
-		testString = testString + "x"
+		testString += "x"
 		_, _, err = base58.CheckDecode(testString)
 		if err != base58.ErrInvalidFormat {
 			t.Error("Checkdecode test failed, expected ErrInvalidFormat")

base58/doc.go

@@ -6,7 +6,7 @@
 Package base58 provides an API for working with modified base58 and Base58Check
 encodings.
 
-Modified Base58 Encoding
+# Modified Base58 Encoding
 
 Standard base58 encoding is similar to standard base64 encoding except, as the
 name implies, it uses a 58 character alphabet which results in an alphanumeric
@@ -17,7 +17,7 @@ The modified base58 alphabet used by Bitcoin, and hence this package, omits the
 0, O, I, and l characters that look the same in many fonts and are therefore
 hard to humans to distinguish.
 
-Base58Check Encoding Scheme
+# Base58Check Encoding Scheme
 
 The Base58Check encoding scheme is primarily used for Bitcoin addresses at the
 time of this writing, however it can be used to generically encode arbitrary

base58/example_test.go

@@ -7,7 +7,7 @@ package base58_test
 import (
 	"fmt"
 
-	"github.com/btcsuite/btcutil/base58"
+	"github.com/lbryio/lbcutil/base58"
 )
 
 // This example demonstrates how to decode modified base58 encoded data.

base58/genalphabet.go

@@ -2,7 +2,8 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-//+build ignore
+//go:build ignore
+// +build ignore
 
 package main
 

bech32/README.md

@@ -1,29 +1,16 @@
 bech32
 ==========
 
-[![Build Status](http://img.shields.io/travis/btcsuite/btcutil.svg)](https://travis-ci.org/btcsuite/btcutil)
 [![ISC License](http://img.shields.io/badge/license-ISC-blue.svg)](http://copyfree.org)
-[![GoDoc](https://godoc.org/github.com/btcsuite/btcutil/bech32?status.png)](http://godoc.org/github.com/btcsuite/btcutil/bech32)
 
 Package bech32 provides a Go implementation of the bech32 format specified in
 [BIP 173](https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki).
 
 Test vectors from BIP 173 are added to ensure compatibility with the BIP.
 
-## Installation and Updating
-
-```bash
-$ go get -u github.com/btcsuite/btcutil/bech32
-```
-
 ## Examples
 
-* [Bech32 decode Example](http://godoc.org/github.com/btcsuite/btcutil/bech32#example-Bech32Decode)
+* [Bech32 decode Example](http://godoc.org/github.com/lbryio/lbcutil/bech32#example-Bech32Decode)
   Demonstrates how to decode a bech32 encoded string.
-* [Bech32 encode Example](http://godoc.org/github.com/btcsuite/btcutil/bech32#example-BechEncode)
+* [Bech32 encode Example](http://godoc.org/github.com/lbryio/lbcutil/bech32#example-BechEncode)
   Demonstrates how to encode data into a bech32 string.
-
-## License
-
-Package bech32 is licensed under the [copyfree](http://copyfree.org) ISC
-License.

bech32/bech32.go

@@ -123,8 +123,11 @@ func bech32Polymod(hrp string, values, checksum []byte) int {
 // and 126), otherwise the results are undefined.
 //
 // For more details on the checksum calculation, please refer to BIP 173.
-func writeBech32Checksum(hrp string, data []byte, bldr *strings.Builder) {
-	polymod := bech32Polymod(hrp, data, nil) ^ 1
+func writeBech32Checksum(hrp string, data []byte, bldr *strings.Builder,
+	version Version) {
+
+	bech32Const := int(VersionToConsts[version])
+	polymod := bech32Polymod(hrp, data, nil) ^ bech32Const
 	for i := 0; i < 6; i++ {
 		b := byte((polymod >> uint(5*(5-i))) & 31)
 
@@ -137,38 +140,47 @@ func writeBech32Checksum(hrp string, data []byte, bldr *strings.Builder) {
 
 // bech32VerifyChecksum verifies whether the bech32 string specified by the
 // provided hrp and payload data (encoded as 5 bits per element byte slice) has
-// the correct checksum suffix.
+// the correct checksum suffix. The version of bech32 used (bech32 OG, or
+// bech32m) is also returned to allow the caller to perform proper address
+// validation (segwitv0 should use bech32, v1+ should use bech32m).
 //
 // Data MUST have more than 6 elements, otherwise this function panics.
 //
 // For more details on the checksum verification, please refer to BIP 173.
-func bech32VerifyChecksum(hrp string, data []byte) bool {
+func bech32VerifyChecksum(hrp string, data []byte) (Version, bool) {
 	checksum := data[len(data)-6:]
 	values := data[:len(data)-6]
 	polymod := bech32Polymod(hrp, values, checksum)
-	return polymod == 1
+
+	// Before BIP-350, we'd always check this against a static constant of
+	// 1 to know if the checksum was computed properly. As we want to
+	// generically support decoding for bech32m as well as bech32, we'll
+	// look up the returned value and compare it to the set of defined
+	// constants.
+	bech32Version, ok := ConstsToVersion[ChecksumConst(polymod)]
+	if ok {
+		return bech32Version, true
+	}
+
+	return VersionUnknown, false
 }
 
-// DecodeNoLimit decodes a bech32 encoded string, returning the human-readable
-// part and the data part excluding the checksum.  This function does NOT
-// validate against the BIP-173 maximum length allowed for bech32 strings and
-// is meant for use in custom applications (such as lightning network payment
-// requests), NOT on-chain addresses.
-//
-// Note that the returned data is 5-bit (base32) encoded and the human-readable
-// part will be lowercase.
-func DecodeNoLimit(bech string) (string, []byte, error) {
+// DecodeNoLimit is a bech32 checksum version aware arbitrary string length
+// decoder. This function will return the version of the decoded checksum
+// constant so higher level validation can be performed to ensure the correct
+// version of bech32 was used when encoding.
+func decodeNoLimit(bech string) (string, []byte, Version, error) {
 	// The minimum allowed size of a bech32 string is 8 characters, since it
 	// needs a non-empty HRP, a separator, and a 6 character checksum.
 	if len(bech) < 8 {
-		return "", nil, ErrInvalidLength(len(bech))
+		return "", nil, VersionUnknown, ErrInvalidLength(len(bech))
 	}
 
 	// Only	ASCII characters between 33 and 126 are allowed.
 	var hasLower, hasUpper bool
 	for i := 0; i < len(bech); i++ {
 		if bech[i] < 33 || bech[i] > 126 {
-			return "", nil, ErrInvalidCharacter(bech[i])
+			return "", nil, VersionUnknown, ErrInvalidCharacter(bech[i])
 		}
 
 		// The characters must be either all lowercase or all uppercase. Testing
@@ -176,7 +188,7 @@ func DecodeNoLimit(bech string) (string, []byte, error) {
 		hasLower = hasLower || (bech[i] >= 97 && bech[i] <= 122)
 		hasUpper = hasUpper || (bech[i] >= 65 && bech[i] <= 90)
 		if hasLower && hasUpper {
-			return "", nil, ErrMixedCase{}
+			return "", nil, VersionUnknown, ErrMixedCase{}
 		}
 	}
 
@@ -191,7 +203,7 @@ func DecodeNoLimit(bech string) (string, []byte, error) {
 	// last 6 characters of the string (since checksum cannot contain '1').
 	one := strings.LastIndexByte(bech, '1')
 	if one < 1 || one+7 > len(bech) {
-		return "", nil, ErrInvalidSeparatorIndex(one)
+		return "", nil, VersionUnknown, ErrInvalidSeparatorIndex(one)
 	}
 
 	// The human-readable part is everything before the last '1'.
@@ -202,12 +214,13 @@ func DecodeNoLimit(bech string) (string, []byte, error) {
 	// 'charset'.
 	decoded, err := toBytes(data)
 	if err != nil {
-		return "", nil, err
+		return "", nil, VersionUnknown, err
 	}
 
 	// Verify if the checksum (stored inside decoded[:]) is valid, given the
 	// previously decoded hrp.
-	if !bech32VerifyChecksum(hrp, decoded) {
+	bech32Version, ok := bech32VerifyChecksum(hrp, decoded)
+	if !ok {
 		// Invalid checksum. Calculate what it should have been, so that the
 		// error contains this information.
 
@@ -215,21 +228,42 @@ func DecodeNoLimit(bech string) (string, []byte, error) {
 		actual := bech[len(bech)-6:]
 		payload := decoded[:len(decoded)-6]
 
-		// Calculate the expected checksum, given the hrp and payload data.
+		// Calculate the expected checksum, given the hrp and payload
+		// data. We'll actually compute _both_ possibly valid checksum
+		// to further aide in debugging.
 		var expectedBldr strings.Builder
 		expectedBldr.Grow(6)
-		writeBech32Checksum(hrp, payload, &expectedBldr)
-		expected := expectedBldr.String()
+		writeBech32Checksum(hrp, payload, &expectedBldr, Version0)
+		expectedVersion0 := expectedBldr.String()
+
+		var b strings.Builder
+		b.Grow(6)
+		writeBech32Checksum(hrp, payload, &expectedBldr, VersionM)
+		expectedVersionM := expectedBldr.String()
 
 		err = ErrInvalidChecksum{
-			Expected: expected,
-			Actual:   actual,
+			Expected:  expectedVersion0,
+			ExpectedM: expectedVersionM,
+			Actual:    actual,
 		}
-		return "", nil, err
+		return "", nil, VersionUnknown, err
 	}
 
 	// We exclude the last 6 bytes, which is the checksum.
-	return hrp, decoded[:len(decoded)-6], nil
+	return hrp, decoded[:len(decoded)-6], bech32Version, nil
+}
+
+// DecodeNoLimit decodes a bech32 encoded string, returning the human-readable
+// part and the data part excluding the checksum.  This function does NOT
+// validate against the BIP-173 maximum length allowed for bech32 strings and
+// is meant for use in custom applications (such as lightning network payment
+// requests), NOT on-chain addresses.
+//
+// Note that the returned data is 5-bit (base32) encoded and the human-readable
+// part will be lowercase.
+func DecodeNoLimit(bech string) (string, []byte, error) {
+	hrp, data, _, err := decodeNoLimit(bech)
+	return hrp, data, err
 }
 
 // Decode decodes a bech32 encoded string, returning the human-readable part and
@@ -243,16 +277,31 @@ func Decode(bech string) (string, []byte, error) {
 		return "", nil, ErrInvalidLength(len(bech))
 	}
 
-	return DecodeNoLimit(bech)
+	hrp, data, _, err := decodeNoLimit(bech)
+	return hrp, data, err
 }
 
-// Encode encodes a byte slice into a bech32 string with the given
-// human-readable part (HRP).  The HRP will be converted to lowercase if needed
-// since mixed cased encodings are not permitted and lowercase is used for
-// checksum purposes.  Note that the bytes must each encode 5 bits (base32).
-func Encode(hrp string, data []byte) (string, error) {
-	// The resulting bech32 string is the concatenation of the lowercase hrp,
-	// the separator 1, data and the 6-byte checksum.
+// DecodeGeneric is identical to the existing Decode method, but will also
+// return bech32 version that matches the decoded checksum. This method should
+// be used when decoding segwit addresses, as it enables additional
+// verification to ensure the proper checksum is used.
+func DecodeGeneric(bech string) (string, []byte, Version, error) {
+	// The maximum allowed length for a bech32 string is 90.
+	if len(bech) > 90 {
+		return "", nil, VersionUnknown, ErrInvalidLength(len(bech))
+	}
+
+	return decodeNoLimit(bech)
+}
+
+// encodeGeneric is the base bech32 encoding function that is aware of the
+// existence of the checksum versions. This method is private, as the Encode
+// and EncodeM methods are intended to be used instead.
+func encodeGeneric(hrp string, data []byte,
+	version Version) (string, error) {
+
+	// The resulting bech32 string is the concatenation of the lowercase
+	// hrp, the separator 1, data and the 6-byte checksum.
 	hrp = strings.ToLower(hrp)
 	var bldr strings.Builder
 	bldr.Grow(len(hrp) + 1 + len(data) + 6)
@@ -268,11 +317,26 @@ func Encode(hrp string, data []byte) (string, error) {
 	}
 
 	// Calculate and write the checksum of the data.
-	writeBech32Checksum(hrp, data, &bldr)
+	writeBech32Checksum(hrp, data, &bldr, version)
 
 	return bldr.String(), nil
 }
 
+// Encode encodes a byte slice into a bech32 string with the given
+// human-readable part (HRP).  The HRP will be converted to lowercase if needed
+// since mixed cased encodings are not permitted and lowercase is used for
+// checksum purposes.  Note that the bytes must each encode 5 bits (base32).
+func Encode(hrp string, data []byte) (string, error) {
+	return encodeGeneric(hrp, data, Version0)
+}
+
+// EncodeM is the exactly same as the Encode method, but it uses the new
+// bech32m constant instead of the original one. It should be used whenever one
+// attempts to encode a segwit address of v1 and beyond.
+func EncodeM(hrp string, data []byte) (string, error) {
+	return encodeGeneric(hrp, data, VersionM)
+}
+
 // ConvertBits converts a byte slice where each byte is encoding fromBits bits,
 // to a byte slice where each byte is encoding toBits bits.
 func ConvertBits(data []byte, fromBits, toBits uint8, pad bool) ([]byte, error) {
@@ -298,7 +362,7 @@ func ConvertBits(data []byte, fromBits, toBits uint8, pad bool) ([]byte, error)
 	for _, b := range data {
 
 		// Discard unused bits.
-		b = b << (8 - fromBits)
+		b <<= 8 - fromBits
 
 		// How many bits remaining to extract from the input data.
 		remFromBits := fromBits
@@ -319,7 +383,7 @@ func ConvertBits(data []byte, fromBits, toBits uint8, pad bool) ([]byte, error)
 
 			// Discard the bits we just extracted and get ready for
 			// next iteration.
-			b = b << toExtract
+			b <<= toExtract
 			remFromBits -= toExtract
 			filledBits += toExtract
 
@@ -335,7 +399,7 @@ func ConvertBits(data []byte, fromBits, toBits uint8, pad bool) ([]byte, error)
 
 	// We pad any unfinished group if specified.
 	if pad && filledBits > 0 {
-		nextByte = nextByte << (toBits - filledBits)
+		nextByte <<= toBits - filledBits
 		regrouped = append(regrouped, nextByte)
 		filledBits = 0
 		nextByte = 0

bech32/bech32_test.go

@@ -22,17 +22,18 @@ func TestBech32(t *testing.T) {
 		expectedError error
 	}{
 		{"A12UEL5L", nil},
+		{"a12uel5l", nil},
 		{"an83characterlonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1tt5tgs", nil},
 		{"abcdef1qpzry9x8gf2tvdw0s3jn54khce6mua7lmqqqxw", nil},
 		{"11qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqc8247j", nil},
 		{"split1checkupstagehandshakeupstreamerranterredcaperred2y9e3w", nil},
-		{"split1checkupstagehandshakeupstreamerranterredcaperred2y9e2w", ErrInvalidChecksum{"2y9e3w", "2y9e2w"}},              // invalid checksum
-		{"s lit1checkupstagehandshakeupstreamerranterredcaperredp8hs2p", ErrInvalidCharacter(' ')},                            // invalid character (space) in hrp
-		{"spl\x7Ft1checkupstagehandshakeupstreamerranterredcaperred2y9e3w", ErrInvalidCharacter(127)},                         // invalid character (DEL) in hrp
-		{"split1cheo2y9e2w", ErrNonCharsetChar('o')},                                                                          // invalid character (o) in data part
-		{"split1a2y9w", ErrInvalidSeparatorIndex(5)},                                                                          // too short data part
-		{"1checkupstagehandshakeupstreamerranterredcaperred2y9e3w", ErrInvalidSeparatorIndex(0)},                              // empty hrp
-		{"11qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqsqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqc8247j", ErrInvalidLength(91)}, // too long
+		{"split1checkupstagehandshakeupstreamerranterredcaperred2y9e2w", ErrInvalidChecksum{"2y9e3w", "2y9e3wlc445v", "2y9e2w"}}, // invalid checksum
+		{"s lit1checkupstagehandshakeupstreamerranterredcaperredp8hs2p", ErrInvalidCharacter(' ')},                               // invalid character (space) in hrp
+		{"spl\x7Ft1checkupstagehandshakeupstreamerranterredcaperred2y9e3w", ErrInvalidCharacter(127)},                            // invalid character (DEL) in hrp
+		{"split1cheo2y9e2w", ErrNonCharsetChar('o')},                                                                             // invalid character (o) in data part
+		{"split1a2y9w", ErrInvalidSeparatorIndex(5)},                                                                             // too short data part
+		{"1checkupstagehandshakeupstreamerranterredcaperred2y9e3w", ErrInvalidSeparatorIndex(0)},                                 // empty hrp
+		{"11qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqsqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqc8247j", ErrInvalidLength(91)},    // too long
 
 		// Additional test vectors used in bitcoin core
 		{" 1nwldj5", ErrInvalidCharacter(' ')},
@@ -44,7 +45,7 @@ func TestBech32(t *testing.T) {
 		{"x1b4n0q5v", ErrNonCharsetChar(98)},
 		{"li1dgmt3", ErrInvalidSeparatorIndex(2)},
 		{"de1lg7wt\xff", ErrInvalidCharacter(0xff)},
-		{"A1G7SGD8", ErrInvalidChecksum{"2uel5l", "g7sgd8"}},
+		{"A1G7SGD8", ErrInvalidChecksum{"2uel5l", "2uel5llqfn3a", "g7sgd8"}},
 		{"10a06t8", ErrInvalidLength(7)},
 		{"1qzzfhee", ErrInvalidSeparatorIndex(0)},
 		{"a12UEL5L", ErrMixedCase{}},
@@ -86,6 +87,127 @@ func TestBech32(t *testing.T) {
 	}
 }
 
+// TestBech32M tests that the following set of strings, based on the test
+// vectors in BIP-350 are either valid or invalid using the new bech32m
+// checksum algo. Some of these strings are similar to the set of above test
+// vectors, but end up with different checksums.
+func TestBech32M(t *testing.T) {
+	tests := []struct {
+		str           string
+		expectedError error
+	}{
+		{"A1LQFN3A", nil},
+		{"a1lqfn3a", nil},
+		{"an83characterlonghumanreadablepartthatcontainsthetheexcludedcharactersbioandnumber11sg7hg6", nil},
+		{"abcdef1l7aum6echk45nj3s0wdvt2fg8x9yrzpqzd3ryx", nil},
+		{"11llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllludsr8", nil},
+		{"split1checkupstagehandshakeupstreamerranterredcaperredlc445v", nil},
+		{"?1v759aa", nil},
+
+		// Additional test vectors used in bitcoin core
+		{"\x201xj0phk", ErrInvalidCharacter('\x20')},
+		{"\x7f1g6xzxy", ErrInvalidCharacter('\x7f')},
+		{"\x801vctc34", ErrInvalidCharacter('\x80')},
+		{"an84characterslonghumanreadablepartthatcontainsthetheexcludedcharactersbioandnumber11d6pts4", ErrInvalidLength(91)},
+		{"qyrz8wqd2c9m", ErrInvalidSeparatorIndex(-1)},
+		{"1qyrz8wqd2c9m", ErrInvalidSeparatorIndex(0)},
+		{"y1b0jsk6g", ErrNonCharsetChar(98)},
+		{"lt1igcx5c0", ErrNonCharsetChar(105)},
+		{"in1muywd", ErrInvalidSeparatorIndex(2)},
+		{"mm1crxm3i", ErrNonCharsetChar(105)},
+		{"au1s5cgom", ErrNonCharsetChar(111)},
+		{"M1VUXWEZ", ErrInvalidChecksum{"mzl49c", "mzl49cw70eq6", "vuxwez"}},
+		{"16plkw9", ErrInvalidLength(7)},
+		{"1p2gdwpf", ErrInvalidSeparatorIndex(0)},
+
+		{" 1nwldj5", ErrInvalidCharacter(' ')},
+		{"\x7f" + "1axkwrx", ErrInvalidCharacter(0x7f)},
+		{"\x801eym55h", ErrInvalidCharacter(0x80)},
+	}
+
+	for i, test := range tests {
+		str := test.str
+		hrp, decoded, err := Decode(str)
+		if test.expectedError != err {
+			t.Errorf("%d: (%v) expected decoding error %v "+
+				"instead got %v", i, str, test.expectedError,
+				err)
+			continue
+		}
+
+		if err != nil {
+			// End test case here if a decoding error was expected.
+			continue
+		}
+
+		// Check that it encodes to the same string, using bech32 m.
+		encoded, err := EncodeM(hrp, decoded)
+		if err != nil {
+			t.Errorf("encoding failed: %v", err)
+		}
+
+		if encoded != strings.ToLower(str) {
+			t.Errorf("expected data to encode to %v, but got %v",
+				str, encoded)
+		}
+
+		// Flip a bit in the string an make sure it is caught.
+		pos := strings.LastIndexAny(str, "1")
+		flipped := str[:pos+1] + string((str[pos+1] ^ 1)) + str[pos+2:]
+		_, _, err = Decode(flipped)
+		if err == nil {
+			t.Error("expected decoding to fail")
+		}
+	}
+}
+
+// TestBech32DecodeGeneric tests that given a bech32 string, or a bech32m
+// string, the proper checksum version is returned so that callers can perform
+// segwit addr validation.
+func TestBech32DecodeGeneric(t *testing.T) {
+	tests := []struct {
+		str     string
+		version Version
+	}{
+		{"A1LQFN3A", VersionM},
+		{"a1lqfn3a", VersionM},
+		{"an83characterlonghumanreadablepartthatcontainsthetheexcludedcharactersbioandnumber11sg7hg6", VersionM},
+		{"abcdef1l7aum6echk45nj3s0wdvt2fg8x9yrzpqzd3ryx", VersionM},
+		{"11llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllludsr8", VersionM},
+		{"split1checkupstagehandshakeupstreamerranterredcaperredlc445v", VersionM},
+		{"?1v759aa", VersionM},
+
+		{"A12UEL5L", Version0},
+		{"a12uel5l", Version0},
+		{"an83characterlonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1tt5tgs", Version0},
+		{"abcdef1qpzry9x8gf2tvdw0s3jn54khce6mua7lmqqqxw", Version0},
+		{"11qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqc8247j", Version0},
+		{"split1checkupstagehandshakeupstreamerranterredcaperred2y9e3w", Version0},
+
+		{"BC1QW508D6QEJXTDG4Y5R3ZARVARY0C5XW7KV8F3T4", Version0},
+		{"tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sl5k7", Version0},
+		{"bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7kt5nd6y", VersionM},
+		{"BC1SW50QGDZ25J", VersionM},
+		{"bc1zw508d6qejxtdg4y5r3zarvaryvaxxpcs", VersionM},
+		{"tb1qqqqqp399et2xygdj5xreqhjjvcmzhxw4aywxecjdzew6hylgvsesrxh6hy", Version0},
+		{"tb1pqqqqp399et2xygdj5xreqhjjvcmzhxw4aywxecjdzew6hylgvsesf3hn0c", VersionM},
+		{"bc1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vqzk5jj0", VersionM},
+	}
+	for i, test := range tests {
+		_, _, version, err := DecodeGeneric(test.str)
+		if err != nil {
+			t.Errorf("%d: (%v) unexpected error during "+
+				"decoding: %v", i, test.str, err)
+			continue
+		}
+
+		if version != test.version {
+			t.Errorf("(%v): invalid version: expected %v, got %v",
+				test.str, test.version, version)
+		}
+	}
+}
+
 // TestMixedCaseEncode ensures mixed case HRPs are converted to lowercase as
 // expected when encoding and that decoding the produced encoding when converted
 // to all uppercase produces the lowercase HRP and original data.
@@ -242,7 +364,7 @@ func TestBech32Base256(t *testing.T) {
 	}, {
 		name:    "same as previous but with checksum invalidated",
 		encoded: "split1checkupstagehandshakeupstreamerranterredcaperred2y9e2w",
-		err:     ErrInvalidChecksum{"2y9e3w", "2y9e2w"},
+		err:     ErrInvalidChecksum{"2y9e3w", "2y9e3wlc445v", "2y9e2w"},
 	}, {
 		name:    "hrp with invalid character (space)",
 		encoded: "s lit1checkupstagehandshakeupstreamerranterredcaperredp8hs2p",

bech32/error.go

@@ -65,15 +65,17 @@ func (e ErrNonCharsetChar) Error() string {
 }
 
 // ErrInvalidChecksum is returned when the extracted checksum of the string
-// is different than what was expected.
+// is different than what was expected. Both the original version, as well as
+// the new bech32m checksum may be specified.
 type ErrInvalidChecksum struct {
-	Expected string
-	Actual   string
+	Expected  string
+	ExpectedM string
+	Actual    string
 }
 
 func (e ErrInvalidChecksum) Error() string {
-	return fmt.Sprintf("invalid checksum (expected %v got %v)",
-		e.Expected, e.Actual)
+	return fmt.Sprintf("invalid checksum (expected (bech32=%v, "+
+		"bech32m=%v), got %v)", e.Expected, e.ExpectedM, e.Actual)
 }
 
 // ErrInvalidDataByte is returned when a byte outside the range required for

bech32/example_test.go

@@ -8,7 +8,7 @@ import (
 	"encoding/hex"
 	"fmt"
 
-	"github.com/btcsuite/btcutil/bech32"
+	"github.com/lbryio/lbcutil/bech32"
 )
 
 // This example demonstrates how to decode a bech32 encoded string.

bech32/version.go

@@ -0,0 +1,43 @@
+package bech32
+
+// ChecksumConst is a type that represents the currently defined bech32
+// checksum constants.
+type ChecksumConst int
+
+const (
+	// Version0Const is the original constant used in the checksum
+	// verification for bech32.
+	Version0Const ChecksumConst = 1
+
+	// VersionMConst is the new constant used for bech32m checksum
+	// verification.
+	VersionMConst ChecksumConst = 0x2bc830a3
+)
+
+// Version defines the current set of bech32 versions.
+type Version uint8
+
+const (
+	// Version0 defines the original bech version.
+	Version0 Version = iota
+
+	// VersionM is the new bech32 version defined in BIP-350, also known as
+	// bech32m.
+	VersionM
+
+	// VersionUnknown denotes an unknown bech version.
+	VersionUnknown
+)
+
+// VersionToConsts maps bech32 versions to the checksum constant to be used
+// when encoding, and asserting a particular version when decoding.
+var VersionToConsts = map[Version]ChecksumConst{
+	Version0: Version0Const,
+	VersionM: VersionMConst,
+}
+
+// ConstsToVersion maps a bech32 constant to the version it's associated with.
+var ConstsToVersion = map[ChecksumConst]Version{
+	Version0Const: Version0,
+	VersionMConst: VersionM,
+}

block.go

@@ -2,15 +2,15 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil
+package lbcutil
 
 import (
 	"bytes"
 	"fmt"
 	"io"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/wire"
 )
 
 // OutOfRangeError describes an error due to accessing an element that is out
@@ -69,6 +69,13 @@ func (b *Block) Bytes() ([]byte, error) {
 	return serializedBlock, nil
 }
 
+// Bytes sets the serialized bytes for the Block.  This is equivalent to
+// calling Serialize on the underlying wire.MsgBlock, however it caches the
+// result so subsequent calls are more efficient.
+func (b *Block) SetBytes(data []byte) {
+	b.serializedBlock = data
+}
+
 // BytesNoWitness returns the serialized bytes for the block with transactions
 // encoded without any witness data.
 func (b *Block) BytesNoWitness() ([]byte, error) {
@@ -90,6 +97,12 @@ func (b *Block) BytesNoWitness() ([]byte, error) {
 	return serializedBlock, nil
 }
 
+// SetBytesNoWitness sets the serialized bytes for the block with transactions
+// encoded without any witness data.
+func (b *Block) SetBytesNoWitness(data []byte) {
+	b.serializedBlockNoWitness = data
+}
+
 // Hash returns the block identifier hash for the Block.  This is equivalent to
 // calling BlockHash on the underlying wire.MsgBlock, however it caches the
 // result so subsequent calls are more efficient.
@@ -105,7 +118,7 @@ func (b *Block) Hash() *chainhash.Hash {
 	return &hash
 }
 
-// Tx returns a wrapped transaction (btcutil.Tx) for the transaction at the
+// Tx returns a wrapped transaction (lbcutil.Tx) for the transaction at the
 // specified index in the Block.  The supplied index is 0 based.  That is to
 // say, the first transaction in the block is txNum 0.  This is nearly
 // equivalent to accessing the raw transaction (wire.MsgTx) from the
@@ -137,10 +150,10 @@ func (b *Block) Tx(txNum int) (*Tx, error) {
 	return newTx, nil
 }
 
-// Transactions returns a slice of wrapped transactions (btcutil.Tx) for all
+// Transactions returns a slice of wrapped transactions (lbcutil.Tx) for all
 // transactions in the Block.  This is nearly equivalent to accessing the raw
 // transactions (wire.MsgTx) in the underlying wire.MsgBlock, however it
-// instead provides easy access to wrapped versions (btcutil.Tx) of them.
+// instead provides easy access to wrapped versions (lbcutil.Tx) of them.
 func (b *Block) Transactions() []*Tx {
 	// Return transactions if they have ALL already been generated.  This
 	// flag is necessary because the wrapped transactions are lazily

block_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil_test
+package lbcutil_test
 
 import (
 	"bytes"
@@ -11,15 +11,15 @@ import (
 	"testing"
 	"time"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil"
 	"github.com/davecgh/go-spew/spew"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil"
 )
 
 // TestBlock tests the API for Block.
 func TestBlock(t *testing.T) {
-	b := btcutil.NewBlock(&Block100000)
+	b := lbcutil.NewBlock(&Block100000)
 
 	// Ensure we get the same data back out.
 	if msgBlock := b.MsgBlock(); !reflect.DeepEqual(msgBlock, &Block100000) {
@@ -60,7 +60,7 @@ func TestBlock(t *testing.T) {
 	}
 
 	// Create a new block to nuke all cached data.
-	b = btcutil.NewBlock(&Block100000)
+	b = lbcutil.NewBlock(&Block100000)
 
 	// Request hash for all transactions one at a time via Tx.
 	for i, txHash := range wantTxHashes {
@@ -88,7 +88,7 @@ func TestBlock(t *testing.T) {
 	}
 
 	// Create a new block to nuke all cached data.
-	b = btcutil.NewBlock(&Block100000)
+	b = lbcutil.NewBlock(&Block100000)
 
 	// Request slice of all transactions multiple times to test generation
 	// and caching.
@@ -175,7 +175,7 @@ func TestNewBlockFromBytes(t *testing.T) {
 	block100000Bytes := block100000Buf.Bytes()
 
 	// Create a new block from the serialized bytes.
-	b, err := btcutil.NewBlockFromBytes(block100000Bytes)
+	b, err := lbcutil.NewBlockFromBytes(block100000Bytes)
 	if err != nil {
 		t.Errorf("NewBlockFromBytes: %v", err)
 		return
@@ -212,7 +212,7 @@ func TestNewBlockFromBlockAndBytes(t *testing.T) {
 	block100000Bytes := block100000Buf.Bytes()
 
 	// Create a new block from the serialized bytes.
-	b := btcutil.NewBlockFromBlockAndBytes(&Block100000, block100000Bytes)
+	b := lbcutil.NewBlockFromBlockAndBytes(&Block100000, block100000Bytes)
 
 	// Ensure we get the same data back out.
 	serializedBytes, err := b.Bytes()
@@ -235,7 +235,7 @@ func TestNewBlockFromBlockAndBytes(t *testing.T) {
 func TestBlockErrors(t *testing.T) {
 	// Ensure out of range errors are as expected.
 	wantErr := "transaction index -1 is out of range - max 3"
-	testErr := btcutil.OutOfRangeError(wantErr)
+	testErr := lbcutil.OutOfRangeError(wantErr)
 	if testErr.Error() != wantErr {
 		t.Errorf("OutOfRangeError: wrong error - got %v, want %v",
 			testErr.Error(), wantErr)
@@ -250,7 +250,7 @@ func TestBlockErrors(t *testing.T) {
 	block100000Bytes := block100000Buf.Bytes()
 
 	// Create a new block from the serialized bytes.
-	b, err := btcutil.NewBlockFromBytes(block100000Bytes)
+	b, err := lbcutil.NewBlockFromBytes(block100000Bytes)
 	if err != nil {
 		t.Errorf("NewBlockFromBytes: %v", err)
 		return
@@ -258,7 +258,7 @@ func TestBlockErrors(t *testing.T) {
 
 	// Truncate the block byte buffer to force errors.
 	shortBytes := block100000Bytes[:80]
-	_, err = btcutil.NewBlockFromBytes(shortBytes)
+	_, err = lbcutil.NewBlockFromBytes(shortBytes)
 	if err != io.EOF {
 		t.Errorf("NewBlockFromBytes: did not get expected error - "+
 			"got %v, want %v", err, io.EOF)
@@ -266,26 +266,26 @@ func TestBlockErrors(t *testing.T) {
 
 	// Ensure TxHash returns expected error on invalid indices.
 	_, err = b.TxHash(-1)
-	if _, ok := err.(btcutil.OutOfRangeError); !ok {
+	if _, ok := err.(lbcutil.OutOfRangeError); !ok {
 		t.Errorf("TxHash: wrong error - got: %v <%T>, "+
-			"want: <%T>", err, err, btcutil.OutOfRangeError(""))
+			"want: <%T>", err, err, lbcutil.OutOfRangeError(""))
 	}
 	_, err = b.TxHash(len(Block100000.Transactions))
-	if _, ok := err.(btcutil.OutOfRangeError); !ok {
+	if _, ok := err.(lbcutil.OutOfRangeError); !ok {
 		t.Errorf("TxHash: wrong error - got: %v <%T>, "+
-			"want: <%T>", err, err, btcutil.OutOfRangeError(""))
+			"want: <%T>", err, err, lbcutil.OutOfRangeError(""))
 	}
 
 	// Ensure Tx returns expected error on invalid indices.
 	_, err = b.Tx(-1)
-	if _, ok := err.(btcutil.OutOfRangeError); !ok {
+	if _, ok := err.(lbcutil.OutOfRangeError); !ok {
 		t.Errorf("Tx: wrong error - got: %v <%T>, "+
-			"want: <%T>", err, err, btcutil.OutOfRangeError(""))
+			"want: <%T>", err, err, lbcutil.OutOfRangeError(""))
 	}
 	_, err = b.Tx(len(Block100000.Transactions))
-	if _, ok := err.(btcutil.OutOfRangeError); !ok {
+	if _, ok := err.(lbcutil.OutOfRangeError); !ok {
 		t.Errorf("Tx: wrong error - got: %v <%T>, "+
-			"want: <%T>", err, err, btcutil.OutOfRangeError(""))
+			"want: <%T>", err, err, lbcutil.OutOfRangeError(""))
 	}
 
 	// Ensure TxLoc returns expected error with short byte buffer.

bloom/README.md

@@ -1,9 +1,7 @@
 bloom
 =====
 
-[![Build Status](http://img.shields.io/travis/btcsuite/btcutil.svg)](https://travis-ci.org/btcsuite/btcutil)
 [![ISC License](http://img.shields.io/badge/license-ISC-blue.svg)](http://copyfree.org)
-[![GoDoc](http://img.shields.io/badge/godoc-reference-blue.svg)](http://godoc.org/github.com/btcsuite/btcutil/bloom)
 
 Package bloom provides an API for dealing with bitcoin-specific bloom filters.
 
@@ -12,19 +10,8 @@ A comprehensive suite of tests is provided to ensure proper functionality.  See
 running a POSIX OS, you can run the `cov_report.sh` script for a real-time
 report.
 
-## Installation and Updating
-
-```bash
-$ go get -u github.com/btcsuite/btcutil/bloom
-```
-
 ## Examples
 
-* [NewFilter Example](http://godoc.org/github.com/btcsuite/btcutil/bloom#example-NewFilter)  
+* [NewFilter Example](http://godoc.org/github.com/lbryio/lbcutil/bloom#example-NewFilter)  
   Demonstrates how to create a new bloom filter, add a transaction hash to it,
-  and check if the filter matches the transaction.
-
-## License
-
-Package bloom is licensed under the [copyfree](http://copyfree.org) ISC
-License.
+  and check if the filter matches the transaction.

bloom/example_test.go

@@ -9,9 +9,9 @@ import (
 	"math/rand"
 	"time"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil/bloom"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil/bloom"
 )
 
 // This example demonstrates how to create a new bloom filter, add a transaction

bloom/filter.go

@@ -9,10 +9,10 @@ import (
 	"math"
 	"sync"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/txscript"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/txscript"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil"
 )
 
 // ln2Squared is simply the square of the natural log of 2.
@@ -270,7 +270,7 @@ func (bf *Filter) maybeAddOutpoint(pkScript []byte, outHash *chainhash.Hash, out
 // update flags set via the loaded filter if needed.
 //
 // This function MUST be called with the filter lock held.
-func (bf *Filter) matchTxAndUpdate(tx *btcutil.Tx) bool {
+func (bf *Filter) matchTxAndUpdate(tx *lbcutil.Tx) bool {
 	// Check if the filter matches the hash of the transaction.
 	// This is useful for finding transactions when they appear in a block.
 	matched := bf.matches(tx.Hash()[:])
@@ -335,7 +335,7 @@ func (bf *Filter) matchTxAndUpdate(tx *btcutil.Tx) bool {
 // update flags set via the loaded filter if needed.
 //
 // This function is safe for concurrent access.
-func (bf *Filter) MatchTxAndUpdate(tx *btcutil.Tx) bool {
+func (bf *Filter) MatchTxAndUpdate(tx *lbcutil.Tx) bool {
 	bf.mtx.Lock()
 	match := bf.matchTxAndUpdate(tx)
 	bf.mtx.Unlock()

bloom/filter_test.go

@@ -9,10 +9,10 @@ import (
 	"encoding/hex"
 	"testing"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil"
-	"github.com/btcsuite/btcutil/bloom"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil"
+	"github.com/lbryio/lbcutil/bloom"
 )
 
 // TestFilterLarge ensures a maximum sized filter can be created.
@@ -214,7 +214,7 @@ func TestFilterInsertWithTweak(t *testing.T) {
 func TestFilterInsertKey(t *testing.T) {
 	secret := "5Kg1gnAjaLfKiwhhPpGS3QfRg2m6awQvaj98JCZBZQ5SuS2F15C"
 
-	wif, err := btcutil.DecodeWIF(secret)
+	wif, err := lbcutil.DecodeWIF(secret)
 	if err != nil {
 		t.Errorf("TestFilterInsertKey DecodeWIF failed: %v", err)
 		return
@@ -222,7 +222,7 @@ func TestFilterInsertKey(t *testing.T) {
 
 	f := bloom.NewFilter(2, 0, 0.001, wire.BloomUpdateAll)
 	f.Add(wif.SerializePubKey())
-	f.Add(btcutil.Hash160(wif.SerializePubKey()))
+	f.Add(lbcutil.Hash160(wif.SerializePubKey()))
 
 	want, err := hex.DecodeString("038fc16b080000000000000001")
 	if err != nil {
@@ -258,7 +258,7 @@ func TestFilterBloomMatch(t *testing.T) {
 		t.Errorf("TestFilterBloomMatch DecodeString failure: %v", err)
 		return
 	}
-	tx, err := btcutil.NewTxFromBytes(strBytes)
+	tx, err := lbcutil.NewTxFromBytes(strBytes)
 	if err != nil {
 		t.Errorf("TestFilterBloomMatch NewTxFromBytes failure: %v", err)
 		return
@@ -293,7 +293,7 @@ func TestFilterBloomMatch(t *testing.T) {
 		0xf5, 0xfe, 0x95, 0xe7, 0x25, 0x59, 0xf2, 0xcc, 0x70,
 		0x43, 0xf9, 0x88, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00}
 
-	spendingTx, err := btcutil.NewTxFromBytes(spendingTxBytes)
+	spendingTx, err := lbcutil.NewTxFromBytes(spendingTxBytes)
 	if err != nil {
 		t.Errorf("TestFilterBloomMatch NewTxFromBytes failure: %v", err)
 		return
@@ -492,158 +492,6 @@ func TestFilterInsertUpdateNone(t *testing.T) {
 	}
 }
 
-func TestFilterInsertP2PubKeyOnly(t *testing.T) {
-	blockStr := "0100000082bb869cf3a793432a66e826e05a6fc37469f8efb7421dc" +
-		"880670100000000007f16c5962e8bd963659c793ce370d95f093bc7e367" +
-		"117b3c30c1f8fdd0d9728776381b4d4c86041b554b85290701000000010" +
-		"00000000000000000000000000000000000000000000000000000000000" +
-		"0000ffffffff07044c86041b0136ffffffff0100f2052a0100000043410" +
-		"4eaafc2314def4ca98ac970241bcab022b9c1e1f4ea423a20f134c876f2" +
-		"c01ec0f0dd5b2e86e7168cefe0d81113c3807420ce13ad1357231a22522" +
-		"47d97a46a91ac000000000100000001bcad20a6a29827d1424f08989255" +
-		"120bf7f3e9e3cdaaa6bb31b0737fe048724300000000494830450220356" +
-		"e834b046cadc0f8ebb5a8a017b02de59c86305403dad52cd77b55af062e" +
-		"a10221009253cd6c119d4729b77c978e1e2aa19f5ea6e0e52b3f16e32fa" +
-		"608cd5bab753901ffffffff02008d380c010000001976a9142b4b8072ec" +
-		"bba129b6453c63e129e643207249ca88ac0065cd1d000000001976a9141" +
-		"b8dd13b994bcfc787b32aeadf58ccb3615cbd5488ac0000000001000000" +
-		"03fdacf9b3eb077412e7a968d2e4f11b9a9dee312d666187ed77ee7d26a" +
-		"f16cb0b000000008c493046022100ea1608e70911ca0de5af51ba57ad23" +
-		"b9a51db8d28f82c53563c56a05c20f5a87022100a8bdc8b4a8acc8634c6" +
-		"b420410150775eb7f2474f5615f7fccd65af30f310fbf01410465fdf49e" +
-		"29b06b9a1582287b6279014f834edc317695d125ef623c1cc3aaece245b" +
-		"d69fcad7508666e9c74a49dc9056d5fc14338ef38118dc4afae5fe2c585" +
-		"caffffffff309e1913634ecb50f3c4f83e96e70b2df071b497b8973a3e7" +
-		"5429df397b5af83000000004948304502202bdb79c596a9ffc24e96f438" +
-		"6199aba386e9bc7b6071516e2b51dda942b3a1ed022100c53a857e76b72" +
-		"4fc14d45311eac5019650d415c3abb5428f3aae16d8e69bec2301ffffff" +
-		"ff2089e33491695080c9edc18a428f7d834db5b6d372df13ce2b1b0e0cb" +
-		"cb1e6c10000000049483045022100d4ce67c5896ee251c810ac1ff9cecc" +
-		"d328b497c8f553ab6e08431e7d40bad6b5022033119c0c2b7d792d31f11" +
-		"87779c7bd95aefd93d90a715586d73801d9b47471c601ffffffff010071" +
-		"4460030000001976a914c7b55141d097ea5df7a0ed330cf794376e53ec8" +
-		"d88ac0000000001000000045bf0e214aa4069a3e792ecee1e1bf0c1d397" +
-		"cde8dd08138f4b72a00681743447000000008b48304502200c45de8c4f3" +
-		"e2c1821f2fc878cba97b1e6f8807d94930713aa1c86a67b9bf1e4022100" +
-		"8581abfef2e30f957815fc89978423746b2086375ca8ecf359c85c2a5b7" +
-		"c88ad01410462bb73f76ca0994fcb8b4271e6fb7561f5c0f9ca0cf64852" +
-		"61c4a0dc894f4ab844c6cdfb97cd0b60ffb5018ffd6238f4d87270efb1d" +
-		"3ae37079b794a92d7ec95ffffffffd669f7d7958d40fc59d2253d88e0f2" +
-		"48e29b599c80bbcec344a83dda5f9aa72c000000008a473044022078124" +
-		"c8beeaa825f9e0b30bff96e564dd859432f2d0cb3b72d3d5d93d38d7e93" +
-		"0220691d233b6c0f995be5acb03d70a7f7a65b6bc9bdd426260f38a1346" +
-		"669507a3601410462bb73f76ca0994fcb8b4271e6fb7561f5c0f9ca0cf6" +
-		"485261c4a0dc894f4ab844c6cdfb97cd0b60ffb5018ffd6238f4d87270e" +
-		"fb1d3ae37079b794a92d7ec95fffffffff878af0d93f5229a68166cf051" +
-		"fd372bb7a537232946e0a46f53636b4dafdaa4000000008c49304602210" +
-		"0c717d1714551663f69c3c5759bdbb3a0fcd3fab023abc0e522fe6440de" +
-		"35d8290221008d9cbe25bffc44af2b18e81c58eb37293fd7fe1c2e7b46f" +
-		"c37ee8c96c50ab1e201410462bb73f76ca0994fcb8b4271e6fb7561f5c0" +
-		"f9ca0cf6485261c4a0dc894f4ab844c6cdfb97cd0b60ffb5018ffd6238f" +
-		"4d87270efb1d3ae37079b794a92d7ec95ffffffff27f2b668859cd7f2f8" +
-		"94aa0fd2d9e60963bcd07c88973f425f999b8cbfd7a1e2000000008c493" +
-		"046022100e00847147cbf517bcc2f502f3ddc6d284358d102ed20d47a8a" +
-		"a788a62f0db780022100d17b2d6fa84dcaf1c95d88d7e7c30385aecf415" +
-		"588d749afd3ec81f6022cecd701410462bb73f76ca0994fcb8b4271e6fb" +
-		"7561f5c0f9ca0cf6485261c4a0dc894f4ab844c6cdfb97cd0b60ffb5018" +
-		"ffd6238f4d87270efb1d3ae37079b794a92d7ec95ffffffff0100c817a8" +
-		"040000001976a914b6efd80d99179f4f4ff6f4dd0a007d018c385d2188a" +
-		"c000000000100000001834537b2f1ce8ef9373a258e10545ce5a50b758d" +
-		"f616cd4356e0032554ebd3c4000000008b483045022100e68f422dd7c34" +
-		"fdce11eeb4509ddae38201773dd62f284e8aa9d96f85099d0b002202243" +
-		"bd399ff96b649a0fad05fa759d6a882f0af8c90cf7632c2840c29070aec" +
-		"20141045e58067e815c2f464c6a2a15f987758374203895710c2d452442" +
-		"e28496ff38ba8f5fd901dc20e29e88477167fe4fc299bf818fd0d9e1632" +
-		"d467b2a3d9503b1aaffffffff0280d7e636030000001976a914f34c3e10" +
-		"eb387efe872acb614c89e78bfca7815d88ac404b4c00000000001976a91" +
-		"4a84e272933aaf87e1715d7786c51dfaeb5b65a6f88ac00000000010000" +
-		"000143ac81c8e6f6ef307dfe17f3d906d999e23e0189fda838c5510d850" +
-		"927e03ae7000000008c4930460221009c87c344760a64cb8ae6685a3eec" +
-		"2c1ac1bed5b88c87de51acd0e124f266c16602210082d07c037359c3a25" +
-		"7b5c63ebd90f5a5edf97b2ac1c434b08ca998839f346dd40141040ba7e5" +
-		"21fa7946d12edbb1d1e95a15c34bd4398195e86433c92b431cd315f455f" +
-		"e30032ede69cad9d1e1ed6c3c4ec0dbfced53438c625462afb792dcb098" +
-		"544bffffffff0240420f00000000001976a9144676d1b820d63ec272f19" +
-		"00d59d43bc6463d96f888ac40420f00000000001976a914648d04341d00" +
-		"d7968b3405c034adc38d4d8fb9bd88ac00000000010000000248cc91750" +
-		"1ea5c55f4a8d2009c0567c40cfe037c2e71af017d0a452ff705e3f10000" +
-		"00008b483045022100bf5fdc86dc5f08a5d5c8e43a8c9d5b1ed8c65562e" +
-		"280007b52b133021acd9acc02205e325d613e555f772802bf413d36ba80" +
-		"7892ed1a690a77811d3033b3de226e0a01410429fa713b124484cb2bd7b" +
-		"5557b2c0b9df7b2b1fee61825eadc5ae6c37a9920d38bfccdc7dc3cb0c4" +
-		"7d7b173dbc9db8d37db0a33ae487982c59c6f8606e9d1791ffffffff41e" +
-		"d70551dd7e841883ab8f0b16bf04176b7d1480e4f0af9f3d4c3595768d0" +
-		"68000000008b4830450221008513ad65187b903aed1102d1d0c47688127" +
-		"658c51106753fed0151ce9c16b80902201432b9ebcb87bd04ceb2de6603" +
-		"5fbbaf4bf8b00d1cfe41f1a1f7338f9ad79d210141049d4cf80125bf50b" +
-		"e1709f718c07ad15d0fc612b7da1f5570dddc35f2a352f0f27c978b0682" +
-		"0edca9ef982c35fda2d255afba340068c5035552368bc7200c1488fffff" +
-		"fff0100093d00000000001976a9148edb68822f1ad580b043c7b3df2e40" +
-		"0f8699eb4888ac00000000"
-	blockBytes, err := hex.DecodeString(blockStr)
-	if err != nil {
-		t.Errorf("TestFilterInsertP2PubKeyOnly DecodeString failed: %v", err)
-		return
-	}
-	block, err := btcutil.NewBlockFromBytes(blockBytes)
-	if err != nil {
-		t.Errorf("TestFilterInsertP2PubKeyOnly NewBlockFromBytes failed: %v", err)
-		return
-	}
-
-	f := bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateP2PubkeyOnly)
-
-	// Generation pubkey
-	inputStr := "04eaafc2314def4ca98ac970241bcab022b9c1e1f4ea423a20f134c" +
-		"876f2c01ec0f0dd5b2e86e7168cefe0d81113c3807420ce13ad1357231a" +
-		"2252247d97a46a91"
-	inputBytes, err := hex.DecodeString(inputStr)
-	if err != nil {
-		t.Errorf("TestFilterInsertP2PubKeyOnly DecodeString failed: %v", err)
-		return
-	}
-	f.Add(inputBytes)
-
-	// Output address of 4th transaction
-	inputStr = "b6efd80d99179f4f4ff6f4dd0a007d018c385d21"
-	inputBytes, err = hex.DecodeString(inputStr)
-	if err != nil {
-		t.Errorf("TestFilterInsertP2PubKeyOnly DecodeString failed: %v", err)
-		return
-	}
-	f.Add(inputBytes)
-
-	// Ignore return value -- this is just used to update the filter.
-	_, _ = bloom.NewMerkleBlock(block, f)
-
-	// We should match the generation pubkey
-	inputStr = "147caa76786596590baa4e98f5d9f48b86c7765e489f7a6ff3360fe5c674360b"
-	hash, err := chainhash.NewHashFromStr(inputStr)
-	if err != nil {
-		t.Errorf("TestMerkleBlockP2PubKeyOnly NewHashFromStr failed: %v", err)
-		return
-	}
-	outpoint := wire.NewOutPoint(hash, 0)
-	if !f.MatchesOutPoint(outpoint) {
-		t.Errorf("TestMerkleBlockP2PubKeyOnly didn't match the generation "+
-			"outpoint %s", inputStr)
-		return
-	}
-
-	// We should not match the 4th transaction, which is not p2pk
-	inputStr = "02981fa052f0481dbc5868f4fc2166035a10f27a03cfd2de67326471df5bc041"
-	hash, err = chainhash.NewHashFromStr(inputStr)
-	if err != nil {
-		t.Errorf("TestMerkleBlockP2PubKeyOnly NewHashFromStr failed: %v", err)
-		return
-	}
-	outpoint = wire.NewOutPoint(hash, 0)
-	if f.MatchesOutPoint(outpoint) {
-		t.Errorf("TestMerkleBlockP2PubKeyOnly matched outpoint %s", inputStr)
-		return
-	}
-}
-
 func TestFilterReload(t *testing.T) {
 	f := bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
 

bloom/merkleblock.go

@@ -5,10 +5,10 @@
 package bloom
 
 import (
-	"github.com/btcsuite/btcd/blockchain"
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil"
+	"github.com/lbryio/lbcd/blockchain"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil"
 )
 
 // merkleBlock is used to house intermediate information needed to generate a
@@ -79,7 +79,7 @@ func (m *merkleBlock) traverseAndBuild(height, pos uint32) {
 
 // NewMerkleBlock returns a new *wire.MsgMerkleBlock and an array of the matched
 // transaction index numbers based on the passed block and filter.
-func NewMerkleBlock(block *btcutil.Block, filter *Filter) (*wire.MsgMerkleBlock, []uint32) {
+func NewMerkleBlock(block *lbcutil.Block, filter *Filter) (*wire.MsgMerkleBlock, []uint32) {
 	numTx := uint32(len(block.Transactions()))
 	mBlock := merkleBlock{
 		numTx:       numTx,
@@ -116,7 +116,7 @@ func NewMerkleBlock(block *btcutil.Block, filter *Filter) (*wire.MsgMerkleBlock,
 		Flags:        make([]byte, (len(mBlock.bits)+7)/8),
 	}
 	for _, hash := range mBlock.finalHashes {
-		msgMerkleBlock.AddTxHash(hash)
+		_ = msgMerkleBlock.AddTxHash(hash)
 	}
 	for i := uint32(0); i < uint32(len(mBlock.bits)); i++ {
 		msgMerkleBlock.Flags[i/8] |= mBlock.bits[i] << (i % 8)

bloom/merkleblock_test.go

@@ -9,10 +9,10 @@ import (
 	"encoding/hex"
 	"testing"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil"
-	"github.com/btcsuite/btcutil/bloom"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil"
+	"github.com/lbryio/lbcutil/bloom"
 )
 
 func TestMerkleBlock3(t *testing.T) {
@@ -29,7 +29,7 @@ func TestMerkleBlock3(t *testing.T) {
 		t.Errorf("TestMerkleBlock3 DecodeString failed: %v", err)
 		return
 	}
-	blk, err := btcutil.NewBlockFromBytes(blockBytes)
+	blk, err := lbcutil.NewBlockFromBytes(blockBytes)
 	if err != nil {
 		t.Errorf("TestMerkleBlock3 NewBlockFromBytes failed: %v", err)
 		return

bloom/murmurhash3_test.go

@@ -7,7 +7,7 @@ package bloom_test
 import (
 	"testing"
 
-	"github.com/btcsuite/btcutil/bloom"
+	"github.com/lbryio/lbcutil/bloom"
 )
 
 // TestMurmurHash3 ensure the MurmurHash3 function produces the correct hash

bloom/test_coverage.txt

@@ -1,28 +1,28 @@
 
-github.com/conformal/btcutil/bloom/murmurhash3.go	 MurmurHash3			 100.00% (31/31)
-github.com/conformal/btcutil/bloom/merkleblock.go	 NewMerkleBlock			 100.00% (19/19)
-github.com/conformal/btcutil/bloom/merkleblock.go	 merkleBlock.traverseAndBuild	 100.00% (10/10)
-github.com/conformal/btcutil/bloom/merkleblock.go	 merkleBlock.calcHash		 100.00% (8/8)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.maybeAddOutpoint	 100.00% (7/7)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.addOutPoint		 100.00% (4/4)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.IsLoaded		 100.00% (4/4)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.MsgFilterLoad		 100.00% (4/4)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.matchesOutPoint		 100.00% (4/4)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.MatchesOutPoint		 100.00% (4/4)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.MatchTxAndUpdate	 100.00% (4/4)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.Matches			 100.00% (4/4)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.Add			 100.00% (3/3)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.Reload			 100.00% (3/3)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.Unload			 100.00% (3/3)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.AddShaHash		 100.00% (3/3)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.AddOutPoint		 100.00% (3/3)
-github.com/conformal/btcutil/bloom/filter.go		 minUint32			 100.00% (3/3)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.hash			 100.00% (2/2)
-github.com/conformal/btcutil/bloom/merkleblock.go	 merkleBlock.calcTreeWidth	 100.00% (1/1)
-github.com/conformal/btcutil/bloom/filter.go		 LoadFilter			 100.00% (1/1)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.matchTxAndUpdate	 91.30% (21/23)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.matches			 85.71% (6/7)
-github.com/conformal/btcutil/bloom/filter.go		 NewFilter			 81.82% (9/11)
-github.com/conformal/btcutil/bloom/filter.go		 Filter.add			 80.00% (4/5)
-github.com/conformal/btcutil/bloom			 ----------------------------	 96.49% (165/171)
+github.com/conformal/lbcutil/bloom/murmurhash3.go	 MurmurHash3			 100.00% (31/31)
+github.com/conformal/lbcutil/bloom/merkleblock.go	 NewMerkleBlock			 100.00% (19/19)
+github.com/conformal/lbcutil/bloom/merkleblock.go	 merkleBlock.traverseAndBuild	 100.00% (10/10)
+github.com/conformal/lbcutil/bloom/merkleblock.go	 merkleBlock.calcHash		 100.00% (8/8)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.maybeAddOutpoint	 100.00% (7/7)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.addOutPoint		 100.00% (4/4)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.IsLoaded		 100.00% (4/4)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.MsgFilterLoad		 100.00% (4/4)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.matchesOutPoint		 100.00% (4/4)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.MatchesOutPoint		 100.00% (4/4)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.MatchTxAndUpdate	 100.00% (4/4)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.Matches			 100.00% (4/4)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.Add			 100.00% (3/3)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.Reload			 100.00% (3/3)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.Unload			 100.00% (3/3)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.AddShaHash		 100.00% (3/3)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.AddOutPoint		 100.00% (3/3)
+github.com/conformal/lbcutil/bloom/filter.go		 minUint32			 100.00% (3/3)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.hash			 100.00% (2/2)
+github.com/conformal/lbcutil/bloom/merkleblock.go	 merkleBlock.calcTreeWidth	 100.00% (1/1)
+github.com/conformal/lbcutil/bloom/filter.go		 LoadFilter			 100.00% (1/1)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.matchTxAndUpdate	 91.30% (21/23)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.matches			 85.71% (6/7)
+github.com/conformal/lbcutil/bloom/filter.go		 NewFilter			 81.82% (9/11)
+github.com/conformal/lbcutil/bloom/filter.go		 Filter.add			 80.00% (4/5)
+github.com/conformal/lbcutil/bloom			 ----------------------------	 96.49% (165/171)
 

certgen.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil
+package lbcutil
 
 import (
 	"bytes"
@@ -61,7 +61,7 @@ func NewTLSCertPair(organization string, validUntil time.Time, extraHosts []stri
 
 	addIP := func(ipAddr net.IP) {
 		for _, ip := range ipAddresses {
-			if bytes.Equal(ip, ipAddr) {
+			if ip.Equal(ipAddr) {
 				return
 			}
 		}

certgen_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil_test
+package lbcutil_test
 
 import (
 	"crypto/x509"
@@ -11,7 +11,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/btcsuite/btcutil"
+	"github.com/lbryio/lbcutil"
 	//"github.com/davecgh/go-spew/spew"
 )
 
@@ -23,7 +23,7 @@ func TestNewTLSCertPair(t *testing.T) {
 	validUntil := time.Unix(time.Now().Add(10*365*24*time.Hour).Unix(), 0)
 	org := "test autogenerated cert"
 	extraHosts := []string{"testtlscert.bogus", "localhost", "127.0.0.1"}
-	cert, key, err := btcutil.NewTLSCertPair(org, validUntil, extraHosts)
+	cert, key, err := lbcutil.NewTLSCertPair(org, validUntil, extraHosts)
 	if err != nil {
 		t.Fatalf("failed with unexpected error: %v", err)
 	}

coinset/README.md

@@ -1,9 +1,7 @@
 coinset
 =======
 
-[![Build Status](http://img.shields.io/travis/btcsuite/btcutil.svg)](https://travis-ci.org/btcsuite/btcutil)
 [![ISC License](http://img.shields.io/badge/license-ISC-blue.svg)](http://copyfree.org)
-[![GoDoc](http://img.shields.io/badge/godoc-reference-blue.svg)](http://godoc.org/github.com/btcsuite/btcutil/coinset)
 
 Package coinset provides bitcoin-specific convenience functions for selecting
 from and managing sets of unspent transaction outpoints (UTXOs).
@@ -13,12 +11,6 @@ A comprehensive suite of tests is provided to ensure proper functionality.  See
 running a POSIX OS, you can run the `cov_report.sh` script for a real-time
 report.
 
-## Installation and Updating
-
-```bash
-$ go get -u github.com/btcsuite/btcutil/coinset
-```
-
 ## Usage
 
 Each unspent transaction outpoint is represented by the Coin interface.  An
@@ -63,9 +55,4 @@ msgTx := coinset.NewMsgTxWithInputCoins(selectedCoins)
 ```
 
 The user can then create the msgTx.TxOut's as required, then sign the
-transaction and transmit it to the network.
-
-## License
-
-Package coinset is licensed under the [copyfree](http://copyfree.org) ISC
-License.
+transaction and transmit it to the network.

coinset/coins.go

@@ -9,16 +9,16 @@ import (
 	"errors"
 	"sort"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil"
 )
 
 // Coin represents a spendable transaction outpoint
 type Coin interface {
 	Hash() *chainhash.Hash
 	Index() uint32
-	Value() btcutil.Amount
+	Value() lbcutil.Amount
 	PkScript() []byte
 	NumConfs() int64
 	ValueAge() int64
@@ -39,7 +39,7 @@ type Coins interface {
 // the CoinSet, otherwise the cached values will be incorrect.
 type CoinSet struct {
 	coinList      *list.List
-	totalValue    btcutil.Amount
+	totalValue    lbcutil.Amount
 	totalValueAge int64
 }
 
@@ -70,12 +70,13 @@ func (cs *CoinSet) Coins() []Coin {
 }
 
 // TotalValue returns the total value of the coins in the set.
-func (cs *CoinSet) TotalValue() (value btcutil.Amount) {
+func (cs *CoinSet) TotalValue() (value lbcutil.Amount) {
 	return cs.totalValue
 }
 
 // TotalValueAge returns the total value * number of confirmations
-//  of the coins in the set.
+//
+//	of the coins in the set.
 func (cs *CoinSet) TotalValueAge() (valueAge int64) {
 	return cs.totalValueAge
 }
@@ -149,7 +150,7 @@ var (
 
 // satisfiesTargetValue checks that the totalValue is either exactly the targetValue
 // or is greater than the targetValue by at least the minChange amount.
-func satisfiesTargetValue(targetValue, minChange, totalValue btcutil.Amount) bool {
+func satisfiesTargetValue(targetValue, minChange, totalValue lbcutil.Amount) bool {
 	return (totalValue == targetValue || totalValue >= targetValue+minChange)
 }
 
@@ -165,7 +166,7 @@ func satisfiesTargetValue(targetValue, minChange, totalValue btcutil.Amount) boo
 // It is important to note that the Coins being used as inputs need to have
 // a constant ValueAge() during the execution of CoinSelect.
 type CoinSelector interface {
-	CoinSelect(targetValue btcutil.Amount, coins []Coin) (Coins, error)
+	CoinSelect(targetValue lbcutil.Amount, coins []Coin) (Coins, error)
 }
 
 // MinIndexCoinSelector is a CoinSelector that attempts to construct a
@@ -173,12 +174,12 @@ type CoinSelector interface {
 // any number of lower indexes (as in the ordered array) over higher ones.
 type MinIndexCoinSelector struct {
 	MaxInputs       int
-	MinChangeAmount btcutil.Amount
+	MinChangeAmount lbcutil.Amount
 }
 
 // CoinSelect will attempt to select coins using the algorithm described
 // in the MinIndexCoinSelector struct.
-func (s MinIndexCoinSelector) CoinSelect(targetValue btcutil.Amount, coins []Coin) (Coins, error) {
+func (s MinIndexCoinSelector) CoinSelect(targetValue lbcutil.Amount, coins []Coin) (Coins, error) {
 	cs := NewCoinSet(nil)
 	for n := 0; n < len(coins) && n < s.MaxInputs; n++ {
 		cs.PushCoin(coins[n])
@@ -194,12 +195,12 @@ func (s MinIndexCoinSelector) CoinSelect(targetValue btcutil.Amount, coins []Coi
 // that uses as few of the inputs as possible.
 type MinNumberCoinSelector struct {
 	MaxInputs       int
-	MinChangeAmount btcutil.Amount
+	MinChangeAmount lbcutil.Amount
 }
 
 // CoinSelect will attempt to select coins using the algorithm described
 // in the MinNumberCoinSelector struct.
-func (s MinNumberCoinSelector) CoinSelect(targetValue btcutil.Amount, coins []Coin) (Coins, error) {
+func (s MinNumberCoinSelector) CoinSelect(targetValue lbcutil.Amount, coins []Coin) (Coins, error) {
 	sortedCoins := make([]Coin, 0, len(coins))
 	sortedCoins = append(sortedCoins, coins...)
 	sort.Sort(sort.Reverse(byAmount(sortedCoins)))
@@ -216,12 +217,12 @@ func (s MinNumberCoinSelector) CoinSelect(targetValue btcutil.Amount, coins []Co
 // block.
 type MaxValueAgeCoinSelector struct {
 	MaxInputs       int
-	MinChangeAmount btcutil.Amount
+	MinChangeAmount lbcutil.Amount
 }
 
 // CoinSelect will attempt to select coins using the algorithm described
 // in the MaxValueAgeCoinSelector struct.
-func (s MaxValueAgeCoinSelector) CoinSelect(targetValue btcutil.Amount, coins []Coin) (Coins, error) {
+func (s MaxValueAgeCoinSelector) CoinSelect(targetValue lbcutil.Amount, coins []Coin) (Coins, error) {
 	sortedCoins := make([]Coin, 0, len(coins))
 	sortedCoins = append(sortedCoins, coins...)
 	sort.Sort(sort.Reverse(byValueAge(sortedCoins)))
@@ -238,16 +239,15 @@ func (s MaxValueAgeCoinSelector) CoinSelect(targetValue btcutil.Amount, coins []
 // input priority over the threshold, but no guarantees will be made as to
 // minimality of the selection.  The selection below is almost certainly
 // suboptimal.
-//
 type MinPriorityCoinSelector struct {
 	MaxInputs              int
-	MinChangeAmount        btcutil.Amount
+	MinChangeAmount        lbcutil.Amount
 	MinAvgValueAgePerInput int64
 }
 
 // CoinSelect will attempt to select coins using the algorithm described
 // in the MinPriorityCoinSelector struct.
-func (s MinPriorityCoinSelector) CoinSelect(targetValue btcutil.Amount, coins []Coin) (Coins, error) {
+func (s MinPriorityCoinSelector) CoinSelect(targetValue lbcutil.Amount, coins []Coin) (Coins, error) {
 	possibleCoins := make([]Coin, 0, len(coins))
 	possibleCoins = append(possibleCoins, coins...)
 
@@ -343,10 +343,10 @@ func (a byAmount) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
 func (a byAmount) Less(i, j int) bool { return a[i].Value() < a[j].Value() }
 
 // SimpleCoin defines a concrete instance of Coin that is backed by a
-// btcutil.Tx, a specific outpoint index, and the number of confirmations
+// lbcutil.Tx, a specific outpoint index, and the number of confirmations
 // that transaction has had.
 type SimpleCoin struct {
-	Tx         *btcutil.Tx
+	Tx         *lbcutil.Tx
 	TxIndex    uint32
 	TxNumConfs int64
 }
@@ -370,8 +370,8 @@ func (c *SimpleCoin) txOut() *wire.TxOut {
 }
 
 // Value returns the value of the Coin
-func (c *SimpleCoin) Value() btcutil.Amount {
-	return btcutil.Amount(c.txOut().Value)
+func (c *SimpleCoin) Value() lbcutil.Amount {
+	return lbcutil.Amount(c.txOut().Value)
 }
 
 // PkScript returns the outpoint script of the Coin.

coinset/coins_test.go

@@ -11,29 +11,29 @@ import (
 	"fmt"
 	"testing"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil"
-	"github.com/btcsuite/btcutil/coinset"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil"
+	"github.com/lbryio/lbcutil/coinset"
 )
 
 type TestCoin struct {
 	TxHash     *chainhash.Hash
 	TxIndex    uint32
-	TxValue    btcutil.Amount
+	TxValue    lbcutil.Amount
 	TxNumConfs int64
 }
 
 func (c *TestCoin) Hash() *chainhash.Hash { return c.TxHash }
 func (c *TestCoin) Index() uint32         { return c.TxIndex }
-func (c *TestCoin) Value() btcutil.Amount { return c.TxValue }
+func (c *TestCoin) Value() lbcutil.Amount { return c.TxValue }
 func (c *TestCoin) PkScript() []byte      { return nil }
 func (c *TestCoin) NumConfs() int64       { return c.TxNumConfs }
 func (c *TestCoin) ValueAge() int64       { return int64(c.TxValue) * c.TxNumConfs }
 
-func NewCoin(index int64, value btcutil.Amount, numConfs int64) coinset.Coin {
+func NewCoin(index int64, value lbcutil.Amount, numConfs int64) coinset.Coin {
 	h := sha256.New()
-	h.Write([]byte(fmt.Sprintf("%d", index)))
+	_, _ = h.Write([]byte(fmt.Sprintf("%d", index)))
 	hash, _ := chainhash.NewHash(h.Sum(nil))
 	c := &TestCoin{
 		TxHash:     hash,
@@ -47,7 +47,7 @@ func NewCoin(index int64, value btcutil.Amount, numConfs int64) coinset.Coin {
 type coinSelectTest struct {
 	selector      coinset.CoinSelector
 	inputCoins    []coinset.Coin
-	targetValue   btcutil.Amount
+	targetValue   lbcutil.Amount
 	expectedCoins []coinset.Coin
 	expectedError error
 }
@@ -225,12 +225,12 @@ var (
 	testSimpleCoinNumConfs            = int64(1)
 	testSimpleCoinTxHash              = "9b5965c86de51d5dc824e179a05cf232db78c80ae86ca9d7cb2a655b5e19c1e2"
 	testSimpleCoinTxHex               = "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"
-	testSimpleCoinTxValue0            = btcutil.Amount(3500000)
+	testSimpleCoinTxValue0            = lbcutil.Amount(3500000)
 	testSimpleCoinTxValueAge0         = int64(testSimpleCoinTxValue0) * testSimpleCoinNumConfs
 	testSimpleCoinTxPkScript0Hex      = "76a914686dd149a79b4a559d561fbc396d3e3c6628b98d88ac"
 	testSimpleCoinTxPkScript0Bytes, _ = hex.DecodeString(testSimpleCoinTxPkScript0Hex)
 	testSimpleCoinTxBytes, _          = hex.DecodeString(testSimpleCoinTxHex)
-	testSimpleCoinTx, _               = btcutil.NewTxFromBytes(testSimpleCoinTxBytes)
+	testSimpleCoinTx, _               = lbcutil.NewTxFromBytes(testSimpleCoinTxBytes)
 	testSimpleCoin                    = &coinset.SimpleCoin{
 		Tx:         testSimpleCoinTx,
 		TxIndex:    0,

coinset/test_coverage.txt

@@ -1,31 +1,31 @@
 
-github.com/conformal/btcutil/coinset/coins.go	 MinPriorityCoinSelector.CoinSelect	 100.00% (39/39)
-github.com/conformal/btcutil/coinset/coins.go	 NewMsgTxWithInputCoins			 100.00% (6/6)
-github.com/conformal/btcutil/coinset/coins.go	 MinIndexCoinSelector.CoinSelect	 100.00% (6/6)
-github.com/conformal/btcutil/coinset/coins.go	 CoinSet.removeElement			 100.00% (5/5)
-github.com/conformal/btcutil/coinset/coins.go	 NewCoinSet				 100.00% (4/4)
-github.com/conformal/btcutil/coinset/coins.go	 CoinSet.Coins				 100.00% (4/4)
-github.com/conformal/btcutil/coinset/coins.go	 CoinSet.PopCoin			 100.00% (4/4)
-github.com/conformal/btcutil/coinset/coins.go	 CoinSet.ShiftCoin			 100.00% (4/4)
-github.com/conformal/btcutil/coinset/coins.go	 MinNumberCoinSelector.CoinSelect	 100.00% (4/4)
-github.com/conformal/btcutil/coinset/coins.go	 MaxValueAgeCoinSelector.CoinSelect	 100.00% (4/4)
-github.com/conformal/btcutil/coinset/coins.go	 CoinSet.PushCoin			 100.00% (3/3)
-github.com/conformal/btcutil/coinset/coins.go	 CoinSet.TotalValueAge			 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 SimpleCoin.NumConfs			 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 SimpleCoin.ValueAge			 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 CoinSet.TotalValue			 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 byValueAge.Len				 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 byValueAge.Swap			 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 byValueAge.Less			 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 byAmount.Len				 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 byAmount.Swap				 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 byAmount.Less				 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 SimpleCoin.Hash			 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 SimpleCoin.Index			 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 SimpleCoin.txOut			 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 SimpleCoin.Value			 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 SimpleCoin.PkScript			 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 CoinSet.Num				 100.00% (1/1)
-github.com/conformal/btcutil/coinset/coins.go	 satisfiesTargetValue			 100.00% (1/1)
-github.com/conformal/btcutil/coinset		 ----------------------------------	 100.00% (100/100)
+github.com/conformal/lbcutil/coinset/coins.go	 MinPriorityCoinSelector.CoinSelect	 100.00% (39/39)
+github.com/conformal/lbcutil/coinset/coins.go	 NewMsgTxWithInputCoins			 100.00% (6/6)
+github.com/conformal/lbcutil/coinset/coins.go	 MinIndexCoinSelector.CoinSelect	 100.00% (6/6)
+github.com/conformal/lbcutil/coinset/coins.go	 CoinSet.removeElement			 100.00% (5/5)
+github.com/conformal/lbcutil/coinset/coins.go	 NewCoinSet				 100.00% (4/4)
+github.com/conformal/lbcutil/coinset/coins.go	 CoinSet.Coins				 100.00% (4/4)
+github.com/conformal/lbcutil/coinset/coins.go	 CoinSet.PopCoin			 100.00% (4/4)
+github.com/conformal/lbcutil/coinset/coins.go	 CoinSet.ShiftCoin			 100.00% (4/4)
+github.com/conformal/lbcutil/coinset/coins.go	 MinNumberCoinSelector.CoinSelect	 100.00% (4/4)
+github.com/conformal/lbcutil/coinset/coins.go	 MaxValueAgeCoinSelector.CoinSelect	 100.00% (4/4)
+github.com/conformal/lbcutil/coinset/coins.go	 CoinSet.PushCoin			 100.00% (3/3)
+github.com/conformal/lbcutil/coinset/coins.go	 CoinSet.TotalValueAge			 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 SimpleCoin.NumConfs			 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 SimpleCoin.ValueAge			 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 CoinSet.TotalValue			 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 byValueAge.Len				 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 byValueAge.Swap			 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 byValueAge.Less			 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 byAmount.Len				 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 byAmount.Swap				 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 byAmount.Less				 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 SimpleCoin.Hash			 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 SimpleCoin.Index			 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 SimpleCoin.txOut			 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 SimpleCoin.Value			 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 SimpleCoin.PkScript			 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 CoinSet.Num				 100.00% (1/1)
+github.com/conformal/lbcutil/coinset/coins.go	 satisfiesTargetValue			 100.00% (1/1)
+github.com/conformal/lbcutil/coinset		 ----------------------------------	 100.00% (100/100)
 

const.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil
+package lbcutil
 
 const (
 	// SatoshiPerBitcent is the number of satoshi in one bitcoin cent.
@@ -12,5 +12,5 @@ const (
 	SatoshiPerBitcoin = 1e8
 
 	// MaxSatoshi is the maximum transaction amount allowed in satoshi.
-	MaxSatoshi = 21e6 * SatoshiPerBitcoin
+	MaxSatoshi = 21e9 * SatoshiPerBitcoin
 )

doc.go

@@ -3,23 +3,23 @@
 // license that can be found in the LICENSE file.
 
 /*
-Package btcutil provides bitcoin-specific convenience functions and types.
+Package lbcutil provides bitcoin-specific convenience functions and types.
 
-Block Overview
+# Block Overview
 
 A Block defines a bitcoin block that provides easier and more efficient
 manipulation of raw wire protocol blocks.  It also memoizes hashes for the
 block and its transactions on their first access so subsequent accesses don't
 have to repeat the relatively expensive hashing operations.
 
-Tx Overview
+# Tx Overview
 
 A Tx defines a bitcoin transaction that provides more efficient manipulation of
 raw wire protocol transactions.  It memoizes the hash for the transaction on its
 first access so subsequent accesses don't have to repeat the relatively
 expensive hashing operations.
 
-Address Overview
+# Address Overview
 
 The Address interface provides an abstraction for a Bitcoin address.  While the
 most common type is a pay-to-pubkey-hash, Bitcoin already supports others and
@@ -36,11 +36,11 @@ To decode/encode an address:
 		"e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d57" +
 		"8a4c702b6bf11d5f"
 	defaultNet := &chaincfg.MainNetParams
-	addr, err := btcutil.DecodeAddress(addrString, defaultNet)
+	addr, err := lbcutil.DecodeAddress(addrString, defaultNet)
 	if err != nil {
 		fmt.Println(err)
 		return
 	}
 	fmt.Println(addr.EncodeAddress())
 */
-package btcutil
+package lbcutil

example_test.go

@@ -1,76 +1,76 @@
-package btcutil_test
+package lbcutil_test
 
 import (
 	"fmt"
 	"math"
 
-	"github.com/btcsuite/btcutil"
+	"github.com/lbryio/lbcutil"
 )
 
 func ExampleAmount() {
 
-	a := btcutil.Amount(0)
+	a := lbcutil.Amount(0)
 	fmt.Println("Zero Satoshi:", a)
 
-	a = btcutil.Amount(1e8)
+	a = lbcutil.Amount(1e8)
 	fmt.Println("100,000,000 Satoshis:", a)
 
-	a = btcutil.Amount(1e5)
+	a = lbcutil.Amount(1e5)
 	fmt.Println("100,000 Satoshis:", a)
 	// Output:
-	// Zero Satoshi: 0 BTC
-	// 100,000,000 Satoshis: 1 BTC
-	// 100,000 Satoshis: 0.001 BTC
+	// Zero Satoshi: 0 LBC
+	// 100,000,000 Satoshis: 1 LBC
+	// 100,000 Satoshis: 0.001 LBC
 }
 
 func ExampleNewAmount() {
-	amountOne, err := btcutil.NewAmount(1)
+	amountOne, err := lbcutil.NewAmount(1)
 	if err != nil {
 		fmt.Println(err)
 		return
 	}
 	fmt.Println(amountOne) //Output 1
 
-	amountFraction, err := btcutil.NewAmount(0.01234567)
+	amountFraction, err := lbcutil.NewAmount(0.01234567)
 	if err != nil {
 		fmt.Println(err)
 		return
 	}
 	fmt.Println(amountFraction) //Output 2
 
-	amountZero, err := btcutil.NewAmount(0)
+	amountZero, err := lbcutil.NewAmount(0)
 	if err != nil {
 		fmt.Println(err)
 		return
 	}
 	fmt.Println(amountZero) //Output 3
 
-	amountNaN, err := btcutil.NewAmount(math.NaN())
+	amountNaN, err := lbcutil.NewAmount(math.NaN())
 	if err != nil {
 		fmt.Println(err)
 		return
 	}
 	fmt.Println(amountNaN) //Output 4
 
-	// Output: 1 BTC
-	// 0.01234567 BTC
-	// 0 BTC
-	// invalid bitcoin amount
+	// Output: 1 LBC
+	// 0.01234567 LBC
+	// 0 LBC
+	// invalid coin amount
 }
 
 func ExampleAmount_unitConversions() {
-	amount := btcutil.Amount(44433322211100)
+	amount := lbcutil.Amount(44433322211100)
 
-	fmt.Println("Satoshi to kBTC:", amount.Format(btcutil.AmountKiloBTC))
-	fmt.Println("Satoshi to BTC:", amount)
-	fmt.Println("Satoshi to MilliBTC:", amount.Format(btcutil.AmountMilliBTC))
-	fmt.Println("Satoshi to MicroBTC:", amount.Format(btcutil.AmountMicroBTC))
-	fmt.Println("Satoshi to Satoshi:", amount.Format(btcutil.AmountSatoshi))
+	fmt.Println("Satoshi to kLBC:", amount.Format(lbcutil.AmountKiloBTC))
+	fmt.Println("Satoshi to LBC:", amount)
+	fmt.Println("Satoshi to MilliLBC:", amount.Format(lbcutil.AmountMilliBTC))
+	fmt.Println("Satoshi to MicroLBC:", amount.Format(lbcutil.AmountMicroBTC))
+	fmt.Println("Satoshi to Satoshi:", amount.Format(lbcutil.AmountSatoshi))
 
 	// Output:
-	// Satoshi to kBTC: 444.333222111 kBTC
-	// Satoshi to BTC: 444333.222111 BTC
-	// Satoshi to MilliBTC: 444333222.111 mBTC
-	// Satoshi to MicroBTC: 444333222111 μBTC
+	// Satoshi to kLBC: 444.333222111 kLBC
+	// Satoshi to LBC: 444333.222111 LBC
+	// Satoshi to MilliLBC: 444333222.111 mLBC
+	// Satoshi to MicroLBC: 444333222111 μLBC
 	// Satoshi to Satoshi: 44433322211100 Satoshi
 }

gcs/README.md

@@ -1,24 +1,9 @@
 gcs
 ==========
 
-[![Build Status](http://img.shields.io/travis/btcsuite/btcutil.svg)]
-(https://travis-ci.org/btcsuite/btcutil) [![ISC License]
-(http://img.shields.io/badge/license-ISC-blue.svg)](http://copyfree.org)
-[![GoDoc](https://godoc.org/github.com/btcsuite/btcutil/gcs?status.png)]
-(http://godoc.org/github.com/btcsuite/btcutil/gcs)
+[![ISC License](http://img.shields.io/badge/license-ISC-blue.svg)](http://copyfree.org)
 
 Package gcs provides an API for building and using a Golomb-coded set filter
 similar to that described [here](http://giovanni.bajo.it/post/47119962313/golomb-coded-sets-smaller-than-bloom-filters).
 
-A comprehensive suite of tests is provided to ensure proper functionality.
-
-## Installation and Updating
-
-```bash
-$ go get -u github.com/btcsuite/btcutil/gcs
-```
-
-## License
-
-Package gcs is licensed under the [copyfree](http://copyfree.org) ISC
-License.
+A comprehensive suite of tests is provided to ensure proper functionality.

gcs/builder/builder.go

@@ -10,10 +10,10 @@ import (
 	"fmt"
 	"math"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/txscript"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil/gcs"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/txscript"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil/gcs"
 )
 
 const (
@@ -54,7 +54,7 @@ func RandomKey() ([gcs.KeySize]byte, error) {
 	}
 
 	// Copy the byte slice to a [gcs.KeySize]byte array and return it.
-	copy(key[:], randKey[:])
+	copy(key[:], randKey)
 	return key, nil
 }
 
@@ -62,7 +62,7 @@ func RandomKey() ([gcs.KeySize]byte, error) {
 // truncating the bytes of the hash to the appopriate key size.
 func DeriveKey(keyHash *chainhash.Hash) [gcs.KeySize]byte {
 	var key [gcs.KeySize]byte
-	copy(key[:], keyHash.CloneBytes()[:])
+	copy(key[:], keyHash.CloneBytes())
 	return key
 }
 

gcs/builder/builder_test.go

@@ -9,19 +9,16 @@ import (
 	"encoding/hex"
 	"testing"
 
-	"github.com/btcsuite/btcd/chaincfg"
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/txscript"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil"
-	"github.com/btcsuite/btcutil/gcs"
-	"github.com/btcsuite/btcutil/gcs/builder"
+	"github.com/lbryio/lbcd/chaincfg"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/txscript"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil"
+	"github.com/lbryio/lbcutil/gcs"
+	"github.com/lbryio/lbcutil/gcs/builder"
 )
 
 var (
-	// No need to allocate an err variable in every test
-	err error
-
 	// List of values for building a filter
 	contents = [][]byte{
 		[]byte("Alex"),
@@ -79,8 +76,8 @@ func TestUseBlockHash(t *testing.T) {
 		Index: 4321,
 	}
 
-	// btcutil.Address
-	addr, err := btcutil.DecodeAddress(testAddr, &chaincfg.MainNetParams)
+	// lbcutil.Address
+	addr, err := lbcutil.DecodeAddress(testAddr, &chaincfg.MainNetParams)
 	if err != nil {
 		t.Fatalf("Address decode failed: %s", err.Error())
 	}

gcs/doc.go

@@ -6,14 +6,14 @@
 /*
 Package gcs provides an API for building and using a Golomb-coded set filter.
 
-Golomb-Coded Set
+# Golomb-Coded Set
 
 A Golomb-coded set is a probabilistic data structure used similarly to a Bloom
 filter. A filter uses constant-size overhead plus on average n+2 bits per
 item added to the filter, where 2^-n is the desired false positive (collision)
 probability.
 
-GCS use in Bitcoin
+# GCS use in Bitcoin
 
 GCS filters are a proposed mechanism for storing and transmitting per-block
 filters in Bitcoin. The usage is intended to be the inverse of Bloom filters:

gcs/gcs.go

@@ -12,8 +12,8 @@ import (
 	"sort"
 
 	"github.com/aead/siphash"
-	"github.com/btcsuite/btcd/wire"
 	"github.com/kkdai/bstream"
+	"github.com/lbryio/lbcd/wire"
 )
 
 // Inspired by https://github.com/rasky/gcs
@@ -44,7 +44,7 @@ const (
 // described in:
 // https://lemire.me/blog/2016/06/27/a-fast-alternative-to-the-modulo-reduction/
 //
-//  * v * N  >> log_2(N)
+//   - v * N  >> log_2(N)
 //
 // In our case, using 64-bit integers, log_2 is 64. As most processors don't
 // support 128-bit arithmetic natively, we'll be super portable and unfold the
@@ -91,7 +91,7 @@ type Filter struct {
 // BuildGCSFilter builds a new GCS filter with the collision probability of
 // `1/(2**P)`, key `key`, and including every `[]byte` in `data` as a member of
 // the set.
-func BuildGCSFilter(P uint8, M uint64, key [KeySize]byte, data [][]byte) (*Filter, error) {
+func BuildGCSFilter(P uint8, M uint64, key [KeySize]byte, data [][]byte) (*Filter, error) { // nolint:gocritic
 	// Some initial parameter checks: make sure we have data from which to
 	// build the filter, and make sure our parameters will fit the hash
 	// function we're using.
@@ -174,7 +174,7 @@ func BuildGCSFilter(P uint8, M uint64, key [KeySize]byte, data [][]byte) (*Filte
 
 // FromBytes deserializes a GCS filter from a known N, P, and serialized filter
 // as returned by Bytes().
-func FromBytes(N uint32, P uint8, M uint64, d []byte) (*Filter, error) {
+func FromBytes(N uint32, P uint8, M uint64, d []byte) (*Filter, error) { // nolint:gocritic
 	// Basic sanity check.
 	if P > 32 {
 		return nil, ErrPTooBig
@@ -200,7 +200,7 @@ func FromBytes(N uint32, P uint8, M uint64, d []byte) (*Filter, error) {
 
 // FromNBytes deserializes a GCS filter from a known P, and serialized N and
 // filter as returned by NBytes().
-func FromNBytes(P uint8, M uint64, d []byte) (*Filter, error) {
+func FromNBytes(P uint8, M uint64, d []byte) (*Filter, error) { // nolint:gocritic
 	buffer := bytes.NewBuffer(d)
 	N, err := wire.ReadVarInt(buffer, varIntProtoVer)
 	if err != nil {

gcs/gcs_test.go

@@ -11,7 +11,7 @@ import (
 	"math/rand"
 	"testing"
 
-	"github.com/btcsuite/btcutil/gcs"
+	"github.com/lbryio/lbcutil/gcs"
 )
 
 var (
@@ -27,7 +27,7 @@ var (
 	// Filters are conserved between tests but we must define with an
 	// interface which functions we're testing because the gcsFilter type
 	// isn't exported
-	filter, filter2, filter3, filter4, filter5 *gcs.Filter
+	filter, filter2, filter3 *gcs.Filter
 
 	// We need to use the same key for building and querying the filters
 	key [gcs.KeySize]byte
@@ -328,6 +328,8 @@ func TestGCSFilterMatchAnySuite(t *testing.T) {
 	}
 
 	for _, test := range funcs {
+		test := test
+
 		t.Run(test.name, func(t *testing.T) {
 			contentsCopy := make([][]byte, len(contents2))
 			copy(contentsCopy, contents2)

gcs/gcsbench_test.go

@@ -10,7 +10,7 @@ import (
 	"math/rand"
 	"testing"
 
-	"github.com/btcsuite/btcutil/gcs"
+	"github.com/lbryio/lbcutil/gcs"
 )
 
 func genRandFilterElements(numElements uint) ([][]byte, error) {
@@ -28,7 +28,6 @@ func genRandFilterElements(numElements uint) ([][]byte, error) {
 
 var (
 	generatedFilter *gcs.Filter
-	filterErr       error
 )
 
 // BenchmarkGCSFilterBuild benchmarks building a filter.
@@ -101,7 +100,7 @@ func BenchmarkGCSFilterMatch(b *testing.B) {
 
 	var localMatch bool
 	for i := 0; i < b.N; i++ {
-		localMatch, err = filter.Match(key, []byte("Nate"))
+		_, err = filter.Match(key, []byte("Nate"))
 		if err != nil {
 			b.Fatalf("unable to match filter: %v", err)
 		}
@@ -115,8 +114,6 @@ func BenchmarkGCSFilterMatch(b *testing.B) {
 }
 
 var (
-	randElems1, _        = genRandFilterElements(1)
-	randElems10, _       = genRandFilterElements(10)
 	randElems100, _      = genRandFilterElements(100)
 	randElems1000, _     = genRandFilterElements(1000)
 	randElems10000, _    = genRandFilterElements(10000)
@@ -164,6 +161,8 @@ var matchAnyBenchmarks = []struct {
 // BenchmarkGCSFilterMatchAny benchmarks the sort-and-zip MatchAny impl.
 func BenchmarkGCSFilterZipMatchAny(b *testing.B) {
 	for _, test := range matchAnyBenchmarks {
+		test := test
+
 		b.Run(test.name, func(b *testing.B) {
 			b.ReportAllocs()
 
@@ -188,6 +187,8 @@ func BenchmarkGCSFilterZipMatchAny(b *testing.B) {
 // BenchmarkGCSFilterMatchAny benchmarks the hash-join MatchAny impl.
 func BenchmarkGCSFilterHashMatchAny(b *testing.B) {
 	for _, test := range matchAnyBenchmarks {
+		test := test
+
 		b.Run(test.name, func(b *testing.B) {
 			b.ReportAllocs()
 
@@ -212,6 +213,8 @@ func BenchmarkGCSFilterHashMatchAny(b *testing.B) {
 // BenchmarkGCSFilterMatchAny benchmarks the hybrid MatchAny impl.
 func BenchmarkGCSFilterMatchAny(b *testing.B) {
 	for _, test := range matchAnyBenchmarks {
+		test := test
+
 		b.Run(test.name, func(b *testing.B) {
 			b.ReportAllocs()
 

go.mod

@@ -1,11 +1,32 @@
-module github.com/btcsuite/btcutil
+module github.com/lbryio/lbcutil
 
-go 1.14
+go 1.19
 
 require (
 	github.com/aead/siphash v1.0.1
-	github.com/btcsuite/btcd v0.20.1-beta
-	github.com/davecgh/go-spew v1.1.0
-	github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23
-	golang.org/x/crypto v0.0.0-20200115085410-6d4e4cb37c7d
+	github.com/davecgh/go-spew v1.1.1
+	github.com/kkdai/bstream v1.0.0
+	github.com/lbryio/lbcd v0.22.100-beta-rc5
+	golang.org/x/crypto v0.0.0-20211209193657-4570a0811e8b
+)
+
+require (
+	github.com/DataDog/zstd v1.5.0 // indirect
+	github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/cockroachdb/errors v1.8.6 // indirect
+	github.com/cockroachdb/logtags v0.0.0-20211118104740-dabe8e521a4f // indirect
+	github.com/cockroachdb/pebble v0.0.0-20211124004043-0dc90bc41e62 // indirect
+	github.com/cockroachdb/redact v1.1.3 // indirect
+	github.com/cockroachdb/sentry-go v0.6.1-cockroachdb.2 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/klauspost/compress v1.13.6 // indirect
+	github.com/kr/pretty v0.3.0 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/rogpeppe/go-internal v1.8.0 // indirect
+	golang.org/x/exp v0.0.0-20211123021643-48cbe7f80d7c // indirect
+	golang.org/x/sys v0.0.0-20211123173158-ef496fb156ab // indirect
+	golang.org/x/text v0.3.7 // indirect
 )

go.sum

@@ -1,55 +1,806 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
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+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
+sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=

goclean.sh

@@ -32,15 +32,4 @@ for i in $(find . -name go.mod -type f -print); do
     go tool cover -func profile.cov
   )
 
-  # check linters
-  (cd $MODNAME && \
-    go mod download && \
-    golangci-lint run --deadline=10m --disable-all \
-      --enable=gofmt \
-      --enable=goimports \
-      --enable=golint \
-      --enable=govet \
-      --enable=gosimple \
-      --enable=unconvert
-  )
 done

hash160.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil
+package lbcutil
 
 import (
 	"crypto/sha256"
@@ -13,7 +13,7 @@ import (
 
 // Calculate the hash of hasher over buf.
 func calcHash(buf []byte, hasher hash.Hash) []byte {
-	hasher.Write(buf)
+	_, _ = hasher.Write(buf)
 	return hasher.Sum(nil)
 }
 

hdkeychain/README.md

@@ -1,9 +1,7 @@
 hdkeychain
 ==========
 
-[![Build Status](http://img.shields.io/travis/btcsuite/btcutil.svg)](https://travis-ci.org/btcsuite/btcutil)
 [![ISC License](http://img.shields.io/badge/license-ISC-blue.svg)](http://copyfree.org)
-[![GoDoc](http://img.shields.io/badge/godoc-reference-blue.svg)](http://godoc.org/github.com/btcsuite/btcutil/hdkeychain)
 
 Package hdkeychain provides an API for bitcoin hierarchical deterministic
 extended keys (BIP0032).
@@ -24,7 +22,7 @@ report.
   keys
 - Support for custom networks by registering them with chaincfg
 - Obtaining the underlying EC pubkeys, EC privkeys, and associated bitcoin
-  addresses ties in seamlessly with existing btcec and btcutil types which
+  addresses ties in seamlessly with existing btcec and lbcutil types which
   provide powerful tools for working with them to do things like sign
   transations and generate payment scripts
 - Uses the btcec package which is highly optimized for secp256k1
@@ -36,24 +34,13 @@ report.
 - Comprehensive test coverage including the BIP0032 test vectors
 - Benchmarks
 
-## Installation and Updating
-
-```bash
-$ go get -u github.com/btcsuite/btcutil/hdkeychain
-```
-
 ## Examples
 
-* [NewMaster Example](http://godoc.org/github.com/btcsuite/btcutil/hdkeychain#example-NewMaster)  
+* [NewMaster Example](http://godoc.org/github.com/lbryio/lbcutil/hdkeychain#example-NewMaster)  
   Demonstrates how to generate a cryptographically random seed then use it to
   create a new master node (extended key).
-* [Default Wallet Layout Example](http://godoc.org/github.com/btcsuite/btcutil/hdkeychain#example-package--DefaultWalletLayout)  
+* [Default Wallet Layout Example](http://godoc.org/github.com/lbryio/lbcutil/hdkeychain#example-package--DefaultWalletLayout)  
   Demonstrates the default hierarchical deterministic wallet layout as described
   in BIP0032.
-* [Audits Use Case Example](http://godoc.org/github.com/btcsuite/btcutil/hdkeychain#example-package--Audits)  
-  Demonstrates the audits use case in BIP0032.
-
-## License
-
-Package hdkeychain is licensed under the [copyfree](http://copyfree.org) ISC
-License.
+* [Audits Use Case Example](http://godoc.org/github.com/lbryio/lbcutil/hdkeychain#example-package--Audits)  
+  Demonstrates the audits use case in BIP0032.

hdkeychain/bench_test.go

@@ -7,7 +7,7 @@ package hdkeychain_test
 import (
 	"testing"
 
-	"github.com/btcsuite/btcutil/hdkeychain"
+	"github.com/lbryio/lbcutil/hdkeychain"
 )
 
 // bip0032MasterPriv1 is the master private extended key from the first set of
@@ -26,7 +26,7 @@ func BenchmarkDeriveHardened(b *testing.B) {
 	b.StartTimer()
 
 	for i := 0; i < b.N; i++ {
-		masterKey.Derive(hdkeychain.HardenedKeyStart)
+		_, _ = masterKey.Derive(hdkeychain.HardenedKeyStart)
 	}
 }
 
@@ -41,7 +41,7 @@ func BenchmarkDeriveNormal(b *testing.B) {
 	b.StartTimer()
 
 	for i := 0; i < b.N; i++ {
-		masterKey.Derive(0)
+		_, _ = masterKey.Derive(0)
 	}
 }
 
@@ -56,7 +56,7 @@ func BenchmarkPrivToPub(b *testing.B) {
 	b.StartTimer()
 
 	for i := 0; i < b.N; i++ {
-		masterKey.Neuter()
+		_, _ = masterKey.Neuter()
 	}
 }
 
@@ -64,7 +64,7 @@ func BenchmarkPrivToPub(b *testing.B) {
 // extended key.
 func BenchmarkDeserialize(b *testing.B) {
 	for i := 0; i < b.N; i++ {
-		hdkeychain.NewKeyFromString(bip0032MasterPriv1)
+		_, _ = hdkeychain.NewKeyFromString(bip0032MasterPriv1)
 	}
 }
 

hdkeychain/doc.go

@@ -6,7 +6,7 @@
 Package hdkeychain provides an API for bitcoin hierarchical deterministic
 extended keys (BIP0032).
 
-Overview
+# Overview
 
 The ability to implement hierarchical deterministic wallets depends on the
 ability to create and derive hierarchical deterministic extended keys.
@@ -16,19 +16,19 @@ deterministic extended keys by providing an ExtendedKey type and supporting
 functions.  Each extended key can either be a private or public extended key
 which itself is capable of deriving a child extended key.
 
-Determining the Extended Key Type
+# Determining the Extended Key Type
 
 Whether an extended key is a private or public extended key can be determined
 with the IsPrivate function.
 
-Transaction Signing Keys and Payment Addresses
+# Transaction Signing Keys and Payment Addresses
 
 In order to create and sign transactions, or provide others with addresses to
 send funds to, the underlying key and address material must be accessible.  This
 package provides the ECPubKey, ECPrivKey, and Address functions for this
 purpose.
 
-The Master Node
+# The Master Node
 
 As previously mentioned, the extended keys are hierarchical meaning they are
 used to form a tree.  The root of that tree is called the master node and this
@@ -36,7 +36,7 @@ package provides the NewMaster function to create it from a cryptographically
 random seed.  The GenerateSeed function is provided as a convenient way to
 create a random seed for use with the NewMaster function.
 
-Deriving Children
+# Deriving Children
 
 Once you have created a tree root (or have deserialized an extended key as
 discussed later), the child extended keys can be derived by using the Derive
@@ -46,7 +46,7 @@ the HardenedKeyStart constant + the hardened key number as the index to the
 Derive function.  This provides the ability to cascade the keys into a tree and
 hence generate the hierarchical deterministic key chains.
 
-Normal vs Hardened Derived Extended Keys
+# Normal vs Hardened Derived Extended Keys
 
 A private extended key can be used to derive both hardened and non-hardened
 (normal) child private and public extended keys.  A public extended key can only
@@ -59,22 +59,23 @@ the reason for the existence of hardened keys, and why they are used for the
 account level in the tree. This way, a leak of an account-specific (or below)
 private key never risks compromising the master or other accounts."
 
-Neutering a Private Extended Key
+# Neutering a Private Extended Key
 
 A private extended key can be converted to a new instance of the corresponding
 public extended key with the Neuter function.  The original extended key is not
 modified.  A public extended key is still capable of deriving non-hardened child
 public extended keys.
 
-Serializing and Deserializing Extended Keys
+# Serializing and Deserializing Extended Keys
 
 Extended keys are serialized and deserialized with the String and
 NewKeyFromString functions.  The serialized key is a Base58-encoded string which
 looks like the following:
+
 	public key:   xpub68Gmy5EdvgibQVfPdqkBBCHxA5htiqg55crXYuXoQRKfDBFA1WEjWgP6LHhwBZeNK1VTsfTFUHCdrfp1bgwQ9xv5ski8PX9rL2dZXvgGDnw
 	private key:  xprv9uHRZZhk6KAJC1avXpDAp4MDc3sQKNxDiPvvkX8Br5ngLNv1TxvUxt4cV1rGL5hj6KCesnDYUhd7oWgT11eZG7XnxHrnYeSvkzY7d2bhkJ7
 
-Network
+# Network
 
 Extended keys are much like normal Bitcoin addresses in that they have version
 bytes which tie them to a specific network.  The SetNet and IsForNet functions

hdkeychain/example_test.go

@@ -7,8 +7,8 @@ package hdkeychain_test
 import (
 	"fmt"
 
-	"github.com/btcsuite/btcd/chaincfg"
-	"github.com/btcsuite/btcutil/hdkeychain"
+	"github.com/lbryio/lbcd/chaincfg"
+	"github.com/lbryio/lbcutil/hdkeychain"
 )
 
 // This example demonstrates how to generate a cryptographically random seed
@@ -132,8 +132,8 @@ func Example_defaultWalletLayout() {
 	fmt.Println("Account 0 Internal Address 0:", acct0IntAddr)
 
 	// Output:
-	// Account 0 External Address 10: 1HVccubUT8iKTapMJ5AnNA4sLRN27xzQ4F
-	// Account 0 Internal Address 0: 1J5rebbkQaunJTUoNVREDbeB49DqMNFFXk
+	// Account 0 External Address 10: bVDtK8vxoU6nyRfiNjUsapCjqJGCY2wwRq
+	// Account 0 Internal Address 0: bVp8LpwEkvJFpJLAT9jKSFn3Z281nH4wcm
 }
 
 // This example demonstrates the audits use case in BIP0032.

hdkeychain/extendedkey.go

@@ -18,11 +18,11 @@ import (
 	"fmt"
 	"math/big"
 
-	"github.com/btcsuite/btcd/btcec"
-	"github.com/btcsuite/btcd/chaincfg"
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcutil"
-	"github.com/btcsuite/btcutil/base58"
+	"github.com/lbryio/lbcd/btcec"
+	"github.com/lbryio/lbcd/chaincfg"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcutil"
+	"github.com/lbryio/lbcutil/base58"
 )
 
 const (
@@ -277,7 +277,7 @@ func (k *ExtendedKey) Derive(i uint32) (*ExtendedKey, error) {
 	// data:
 	//   I = HMAC-SHA512(Key = chainCode, Data = data)
 	hmac512 := hmac.New(sha512.New, k.chainCode)
-	hmac512.Write(data)
+	_, _ = hmac512.Write(data)
 	ilr := hmac512.Sum(nil)
 
 	// Split "I" into two 32-byte sequences Il and Ir where:
@@ -346,7 +346,7 @@ func (k *ExtendedKey) Derive(i uint32) (*ExtendedKey, error) {
 
 	// The fingerprint of the parent for the derived child is the first 4
 	// bytes of the RIPEMD160(SHA256(parentPubKey)).
-	parentFP := btcutil.Hash160(k.pubKeyBytes())[:4]
+	parentFP := lbcutil.Hash160(k.pubKeyBytes())[:4]
 	return NewExtendedKey(k.version, childKey, childChainCode, parentFP,
 		k.depth+1, i, isPrivate), nil
 }
@@ -380,7 +380,7 @@ func (k *ExtendedKey) DeriveNonStandard(i uint32) (*ExtendedKey, error) {
 	binary.BigEndian.PutUint32(data[keyLen:], i)
 
 	hmac512 := hmac.New(sha512.New, k.chainCode)
-	hmac512.Write(data)
+	_, _ = hmac512.Write(data)
 	ilr := hmac512.Sum(nil)
 
 	il := ilr[:len(ilr)/2]
@@ -415,7 +415,7 @@ func (k *ExtendedKey) DeriveNonStandard(i uint32) (*ExtendedKey, error) {
 		childKey = pk.SerializeCompressed()
 	}
 
-	parentFP := btcutil.Hash160(k.pubKeyBytes())[:4]
+	parentFP := lbcutil.Hash160(k.pubKeyBytes())[:4]
 	return NewExtendedKey(k.version, childKey, childChainCode, parentFP,
 		k.depth+1, i, isPrivate), nil
 }
@@ -470,8 +470,9 @@ func (k *ExtendedKey) Neuter() (*ExtendedKey, error) {
 // on the SLIP132 standard (serializable to yprv/ypub, zprv/zpub, etc.).
 //
 // References:
-//   [SLIP132]: SLIP-0132 - Registered HD version bytes for BIP-0032
-//   https://github.com/satoshilabs/slips/blob/master/slip-0132.md
+//
+//	[SLIP132]: SLIP-0132 - Registered HD version bytes for BIP-0032
+//	https://github.com/satoshilabs/slips/blob/master/slip-0132.md
 func (k *ExtendedKey) CloneWithVersion(version []byte) (*ExtendedKey, error) {
 	if len(version) != 4 {
 		// TODO: The semantically correct error to return here is
@@ -506,9 +507,9 @@ func (k *ExtendedKey) ECPrivKey() (*btcec.PrivateKey, error) {
 
 // Address converts the extended key to a standard bitcoin pay-to-pubkey-hash
 // address for the passed network.
-func (k *ExtendedKey) Address(net *chaincfg.Params) (*btcutil.AddressPubKeyHash, error) {
-	pkHash := btcutil.Hash160(k.pubKeyBytes())
-	return btcutil.NewAddressPubKeyHash(pkHash, net)
+func (k *ExtendedKey) Address(net *chaincfg.Params) (*lbcutil.AddressPubKeyHash, error) {
+	pkHash := lbcutil.Hash160(k.pubKeyBytes())
+	return lbcutil.NewAddressPubKeyHash(pkHash, net)
 }
 
 // paddedAppend appends the src byte slice to dst, returning the new slice.
@@ -610,7 +611,7 @@ func NewMaster(seed []byte, net *chaincfg.Params) (*ExtendedKey, error) {
 	// First take the HMAC-SHA512 of the master key and the seed data:
 	//   I = HMAC-SHA512(Key = "Bitcoin seed", Data = S)
 	hmac512 := hmac.New(sha512.New, masterKey)
-	hmac512.Write(seed)
+	_, _ = hmac512.Write(seed)
 	lr := hmac512.Sum(nil)
 
 	// Split "I" into two 32-byte sequences Il and Ir where:

hdkeychain/extendedkey_test.go

@@ -17,7 +17,7 @@ import (
 	"reflect"
 	"testing"
 
-	"github.com/btcsuite/btcd/chaincfg"
+	"github.com/lbryio/lbcd/chaincfg"
 )
 
 // TestBIP0032Vectors tests the vectors provided by [BIP32] to ensure the
@@ -579,7 +579,7 @@ func TestExtendedKeyAPI(t *testing.T) {
 			childNum:  0,
 			privKey:   "e8f32e723decf4051aefac8e2c93c9c5b214313817cdb01a1494b917c8436b35",
 			pubKey:    "0339a36013301597daef41fbe593a02cc513d0b55527ec2df1050e2e8ff49c85c2",
-			address:   "15mKKb2eos1hWa6tisdPwwDC1a5J1y9nma",
+			address:   "bHVb1pN9ACQB2QxFoXwVAbM4WSyUVVDfbW",
 		},
 		{
 			name:       "test vector 1 chain m/0H/1/2H public",
@@ -590,7 +590,7 @@ func TestExtendedKeyAPI(t *testing.T) {
 			childNum:   2147483650,
 			privKeyErr: ErrNotPrivExtKey,
 			pubKey:     "0357bfe1e341d01c69fe5654309956cbea516822fba8a601743a012a7896ee8dc2",
-			address:    "1NjxqbA9aZWnh17q1UW3rB4EPu79wDXj7x",
+			address:    "baUEXpVdvtuGCqyC68p94qC6tn1LSJq1LA",
 		},
 	}
 
@@ -980,10 +980,10 @@ func TestZero(t *testing.T) {
 			return false
 		}
 
-		wantAddr := "1HT7xU2Ngenf7D4yocz2SAcnNLW7rK8d4E"
+		wantAddr := "bVBPehMs2zB8d3vLtHJ7epkesDQJJ9D7Ek"
 		addr, err := key.Address(&chaincfg.MainNetParams)
 		if err != nil {
-			t.Errorf("Addres s #%d (%s): unexpected error: %v", i,
+			t.Errorf("Address #%d (%s): unexpected error: %v", i,
 				testName, err)
 			return false
 		}
@@ -1094,7 +1094,8 @@ func TestMaximumDepth(t *testing.T) {
 // extended keys.
 //
 // The following tool was used for generating the tests:
-//   https://jlopp.github.io/xpub-converter
+//
+//	https://jlopp.github.io/xpub-converter
 func TestCloneWithVersion(t *testing.T) {
 	tests := []struct {
 		name    string
@@ -1196,7 +1197,7 @@ func TestLeadingZero(t *testing.T) {
 	}
 
 	if hex.EncodeToString(child1nonstandard.key) != "ea46d8f58eb863a2d371a938396af8b0babe85c01920f59a8044412e70e837ee" {
-		t.Error("incorrect btcutil backwards compatible BIP32-like derivation")
+		t.Error("incorrect lbcutil backwards compatible BIP32-like derivation")
 	}
 
 	if !child0.IsAffectedByIssue172() {

hdkeychain/test_coverage.txt

@@ -1,20 +1,20 @@
 
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 ExtendedKey.String		 100.00% (18/18)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 ExtendedKey.Zero		 100.00% (9/9)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 ExtendedKey.pubKeyBytes	 100.00% (7/7)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 ExtendedKey.Neuter		 100.00% (6/6)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 ExtendedKey.ECPrivKey		 100.00% (4/4)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 zero				 100.00% (3/3)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 ExtendedKey.SetNet		 100.00% (3/3)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 ExtendedKey.Address		 100.00% (2/2)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 newExtendedKey			 100.00% (1/1)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 ExtendedKey.IsPrivate		 100.00% (1/1)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 ExtendedKey.ParentFingerprint	 100.00% (1/1)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 ExtendedKey.ECPubKey		 100.00% (1/1)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 ExtendedKey.IsForNet		 100.00% (1/1)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 NewKeyFromString		 95.83% (23/24)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 ExtendedKey.Child		 91.67% (33/36)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 NewMaster			 91.67% (11/12)
-github.com/conformal/btcutil/hdkeychain/extendedkey.go	 GenerateSeed			 85.71% (6/7)
-github.com/conformal/btcutil/hdkeychain			 -----------------------------	 95.59% (130/136)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 ExtendedKey.String		 100.00% (18/18)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 ExtendedKey.Zero		 100.00% (9/9)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 ExtendedKey.pubKeyBytes	 100.00% (7/7)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 ExtendedKey.Neuter		 100.00% (6/6)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 ExtendedKey.ECPrivKey		 100.00% (4/4)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 zero				 100.00% (3/3)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 ExtendedKey.SetNet		 100.00% (3/3)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 ExtendedKey.Address		 100.00% (2/2)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 newExtendedKey			 100.00% (1/1)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 ExtendedKey.IsPrivate		 100.00% (1/1)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 ExtendedKey.ParentFingerprint	 100.00% (1/1)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 ExtendedKey.ECPubKey		 100.00% (1/1)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 ExtendedKey.IsForNet		 100.00% (1/1)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 NewKeyFromString		 95.83% (23/24)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 ExtendedKey.Child		 91.67% (33/36)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 NewMaster			 91.67% (11/12)
+github.com/conformal/lbcutil/hdkeychain/extendedkey.go	 GenerateSeed			 85.71% (6/7)
+github.com/conformal/lbcutil/hdkeychain			 -----------------------------	 95.59% (130/136)
 

internal_test.go

@@ -3,18 +3,18 @@
 // license that can be found in the LICENSE file.
 
 /*
-This test file is part of the btcutil package rather than than the
-btcutil_test package so it can bridge access to the internals to properly test
+This test file is part of the lbcutil package rather than than the
+lbcutil_test package so it can bridge access to the internals to properly test
 cases which are either not possible or can't reliably be tested via the public
 interface. The functions are only exported while the tests are being run.
 */
 
-package btcutil
+package lbcutil
 
 import (
-	"github.com/btcsuite/btcd/btcec"
-	"github.com/btcsuite/btcutil/base58"
-	"github.com/btcsuite/btcutil/bech32"
+	"github.com/lbryio/lbcd/btcec"
+	"github.com/lbryio/lbcutil/base58"
+	"github.com/lbryio/lbcutil/bech32"
 	"golang.org/x/crypto/ripemd160"
 )
 
@@ -59,9 +59,11 @@ func TstAddressWitnessPubKeyHash(version byte, program [20]byte,
 	hrp string) *AddressWitnessPubKeyHash {
 
 	return &AddressWitnessPubKeyHash{
-		hrp:            hrp,
-		witnessVersion: version,
-		witnessProgram: program,
+		AddressSegWit{
+			hrp:            hrp,
+			witnessVersion: version,
+			witnessProgram: program[:],
+		},
 	}
 }
 
@@ -71,9 +73,24 @@ func TstAddressWitnessScriptHash(version byte, program [32]byte,
 	hrp string) *AddressWitnessScriptHash {
 
 	return &AddressWitnessScriptHash{
-		hrp:            hrp,
-		witnessVersion: version,
-		witnessProgram: program,
+		AddressSegWit{
+			hrp:            hrp,
+			witnessVersion: version,
+			witnessProgram: program[:],
+		},
+	}
+}
+
+// TstAddressTaproot creates an AddressTaproot, initiating the fields as given.
+func TstAddressTaproot(version byte, program [32]byte,
+	hrp string) *AddressTaproot {
+
+	return &AddressTaproot{
+		AddressSegWit{
+			hrp:            hrp,
+			witnessVersion: version,
+			witnessProgram: program[:],
+		},
 	}
 }
 
@@ -112,3 +129,19 @@ func TstAddressSegwitSAddr(addr string) []byte {
 	}
 	return data
 }
+
+// TstAddressTaprootSAddr returns the expected witness program bytes for a
+// bech32m encoded P2TR bitcoin address.
+func TstAddressTaprootSAddr(addr string) []byte {
+	_, data, err := bech32.Decode(addr)
+	if err != nil {
+		return []byte{}
+	}
+
+	// First byte is version, rest is base 32 encoded data.
+	data, err = bech32.ConvertBits(data[1:], 5, 8, false)
+	if err != nil {
+		return []byte{}
+	}
+	return data
+}

net.go

@@ -2,9 +2,10 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
+//go:build !appengine
 // +build !appengine
 
-package btcutil
+package lbcutil
 
 import (
 	"net"

net_noop.go

@@ -2,9 +2,10 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
+//go:build appengine
 // +build appengine
 
-package btcutil
+package lbcutil
 
 import (
 	"net"

psbt/creator.go

@@ -5,7 +5,7 @@
 package psbt
 
 import (
-	"github.com/btcsuite/btcd/wire"
+	"github.com/lbryio/lbcd/wire"
 )
 
 // MinTxVersion is the lowest transaction version that we'll permit.

psbt/extractor.go

@@ -12,8 +12,8 @@ package psbt
 import (
 	"bytes"
 
-	"github.com/btcsuite/btcd/txscript"
-	"github.com/btcsuite/btcd/wire"
+	"github.com/lbryio/lbcd/txscript"
+	"github.com/lbryio/lbcd/wire"
 )
 
 // Extract takes a finalized psbt.Packet and outputs a finalized transaction

psbt/finalizer.go

@@ -12,7 +12,7 @@ package psbt
 // multisig and no other custom script.
 
 import (
-	"github.com/btcsuite/btcd/txscript"
+	"github.com/lbryio/lbcd/txscript"
 )
 
 // isFinalized considers this input finalized if it contains at least one of

psbt/go.mod

@@ -1,9 +0,0 @@
-module github.com/btcsuite/btcutil/psbt
-
-go 1.13
-
-require (
-	github.com/btcsuite/btcd v0.20.1-beta
-	github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d
-	github.com/davecgh/go-spew v1.1.1
-)

psbt/go.sum

@@ -1,58 +0,0 @@
-github.com/aead/siphash v1.0.1 h1:FwHfE/T45KPKYuuSAKyyvE+oPWcaQ+CUmFW0bPlM+kg=
-github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
-github.com/btcsuite/btcd v0.20.1-beta h1:Ik4hyJqN8Jfyv3S4AGBOmyouMsYE3EdYODkMbQjwPGw=
-github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
-github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f h1:bAs4lUbRJpnnkd9VhRV3jjAVU7DJVjMaK+IsvSeZvFo=
-github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
-github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d h1:yJzD/yFppdVCf6ApMkVy8cUxV0XrxdP9rVf6D87/Mng=
-github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
-github.com/btcsuite/btcutil v0.0.0-20191219182022-e17c9730c422 h1:EqnrgSSg0SFWRlEZLExgjtuUR/IPnuQ6qw6nwRda4Uk=
-github.com/btcsuite/btcutil v0.0.0-20191219182022-e17c9730c422/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
-github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd h1:R/opQEbFEy9JGkIguV40SvRY1uliPX8ifOvi6ICsFCw=
-github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd/go.mod h1:HHNXQzUsZCxOoE+CPiyCTO6x34Zs86zZUiwtpXoGdtg=
-github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd h1:qdGvebPBDuYDPGi1WCPjy1tGyMpmDK8IEapSsszn7HE=
-github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVaaLLH7j4eDXPRvw78tMflu7Ie2bzYOH4Y8rRKBY=
-github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723 h1:ZA/jbKoGcVAnER6pCHPEkGdZOV7U1oLUedErBHCUMs0=
-github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
-github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792 h1:R8vQdOQdZ9Y3SkEwmHoWBmX1DNXhXZqlTpq6s4tyJGc=
-github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
-github.com/btcsuite/winsvc v1.0.0 h1:J9B4L7e3oqhXOcm+2IuNApwzQec85lE+QaikUcCs+dk=
-github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
-github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
-github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/jessevdk/go-flags v0.0.0-20141203071132-1679536dcc89 h1:12K8AlpT0/6QUXSfV0yi4Q0jkbq8NDtIKFtF61AoqV0=
-github.com/jessevdk/go-flags v0.0.0-20141203071132-1679536dcc89/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
-github.com/jrick/logrotate v1.0.0 h1:lQ1bL/n9mBNeIXoTUoYRlK4dHuNJVofX9oWqBtPnSzI=
-github.com/jrick/logrotate v1.0.0/go.mod h1:LNinyqDIJnpAur+b8yyulnQw/wDuN1+BYKlTRt3OuAQ=
-github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23 h1:FOOIBWrEkLgmlgGfMuZT83xIwfPDxEI2OHu6xUmJMFE=
-github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6CZQHDETBtE9HaSEkGmuNXF86RwHhHUvq4=
-github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
-github.com/onsi/ginkgo v1.7.0 h1:WSHQ+IS43OoUrWtD1/bbclrwK8TTH5hzp+umCiuxHgs=
-github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
-github.com/onsi/gomega v1.4.3 h1:RE1xgDvH7imwFD45h+u2SgIfERHlS2yNG4DObb5BSKU=
-github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44 h1:9lP3x0pW80sDI6t1UMSLA4to18W7R7imwAI/sWS9S8Q=
-golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/net v0.0.0-20180906233101-161cd47e91fd h1:nTDtHvHSdCn1m6ITfMRqtOd/9+7a3s8RBNOZ3eYZzJA=
-golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA=
-golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e h1:o3PsSEY8E4eXWkXrIP9YJALUkVZqzHJT5DOasTyn8Vs=
-golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
-gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
-gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
-gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

psbt/partial_input.go

@@ -6,8 +6,8 @@ import (
 	"io"
 	"sort"
 
-	"github.com/btcsuite/btcd/txscript"
-	"github.com/btcsuite/btcd/wire"
+	"github.com/lbryio/lbcd/txscript"
+	"github.com/lbryio/lbcd/wire"
 )
 
 // PInput is a struct encapsulating all the data that can be attached to any

psbt/partial_output.go

@@ -5,7 +5,7 @@ import (
 	"io"
 	"sort"
 
-	"github.com/btcsuite/btcd/wire"
+	"github.com/lbryio/lbcd/wire"
 )
 
 // POutput is a struct encapsulating all the data that can be attached

psbt/partialsig.go

@@ -3,7 +3,7 @@ package psbt
 import (
 	"bytes"
 
-	"github.com/btcsuite/btcd/btcec"
+	"github.com/lbryio/lbcd/btcec"
 )
 
 // PartialSig encapsulate a (BTC public key, ECDSA signature)

psbt/psbt.go

@@ -14,7 +14,7 @@ import (
 
 	"io"
 
-	"github.com/btcsuite/btcd/wire"
+	"github.com/lbryio/lbcd/wire"
 )
 
 // psbtMagicLength is the length of the magic bytes used to signal the start of
@@ -30,7 +30,7 @@ var (
 
 // MaxPsbtValueLength is the size of the largest transaction serialization
 // that could be passed in a NonWitnessUtxo field. This is definitely
-//less than 4M.
+// less than 4M.
 const MaxPsbtValueLength = 4000000
 
 // MaxPsbtKeyLength is the length of the largest key that we'll successfully

psbt/psbt_test.go

@@ -11,11 +11,11 @@ import (
 	"encoding/hex"
 	"testing"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/txscript"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil"
 	"github.com/davecgh/go-spew/spew"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/txscript"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil"
 )
 
 // Test vectors from:
@@ -1369,7 +1369,7 @@ func TestWitnessForNonWitnessUtxo(t *testing.T) {
 			}},
 			TxOut: []*wire.TxOut{{
 				PkScript: outPkScript,
-				Value:    1.9 * btcutil.SatoshiPerBitcoin,
+				Value:    1.9 * lbcutil.SatoshiPerBitcoin,
 			}},
 		},
 		Inputs:  []PInput{{}},

psbt/signer.go

@@ -10,7 +10,7 @@ package psbt
 // is in the correct state.
 
 import (
-	"github.com/btcsuite/btcd/txscript"
+	"github.com/lbryio/lbcd/txscript"
 )
 
 // SignOutcome is a enum-like value that expresses the outcome of a call to the

psbt/sort.go

@@ -4,7 +4,7 @@ import (
 	"bytes"
 	"sort"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
 )
 
 // InPlaceSort modifies the passed packet's wire TX inputs and outputs to be
@@ -16,7 +16,7 @@ import (
 // (partial) witness data since it will mutate the transaction if it's not
 // already sorted. This can cause issues if you mutate a tx in a block, for
 // example, which would invalidate the block. It could also cause cached hashes,
-// such as in a btcutil.Tx to become invalidated.
+// such as in a lbcutil.Tx to become invalidated.
 //
 // The function should only be used if the caller is creating the transaction or
 // is otherwise 100% positive mutating will not cause adverse affects due to

psbt/sort_test.go

@@ -4,8 +4,8 @@ import (
 	"reflect"
 	"testing"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/wire"
 )
 
 func TestInPlaceSort(t *testing.T) {

psbt/updater.go

@@ -14,9 +14,9 @@ import (
 	"bytes"
 	"crypto/sha256"
 
-	"github.com/btcsuite/btcd/txscript"
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil"
+	"github.com/lbryio/lbcd/txscript"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil"
 )
 
 // Updater encapsulates the role 'Updater' as specified in BIP174; it accepts
@@ -125,7 +125,7 @@ func (p *Updater) addPartialSignature(inIndex int, sig []byte,
 		if pInput.RedeemScript != nil {
 			outIndex := p.Upsbt.UnsignedTx.TxIn[inIndex].PreviousOutPoint.Index
 			scriptPubKey := pInput.NonWitnessUtxo.TxOut[outIndex].PkScript
-			scriptHash := btcutil.Hash160(pInput.RedeemScript)
+			scriptHash := lbcutil.Hash160(pInput.RedeemScript)
 
 			scriptHashScript, err := txscript.NewScriptBuilder().
 				AddOp(txscript.OP_HASH160).
@@ -155,7 +155,7 @@ func (p *Updater) addPartialSignature(inIndex int, sig []byte,
 
 		var script []byte
 		if pInput.RedeemScript != nil {
-			scriptHash := btcutil.Hash160(pInput.RedeemScript)
+			scriptHash := lbcutil.Hash160(pInput.RedeemScript)
 			scriptHashScript, err := txscript.NewScriptBuilder().
 				AddOp(txscript.OP_HASH160).
 				AddData(scriptHash).
@@ -195,7 +195,7 @@ func (p *Updater) addPartialSignature(inIndex int, sig []byte,
 			}
 		} else {
 			// Otherwise, this is a p2wkh input.
-			pubkeyHash := btcutil.Hash160(pubkey)
+			pubkeyHash := lbcutil.Hash160(pubkey)
 			pubkeyHashScript, err := txscript.NewScriptBuilder().
 				AddOp(txscript.OP_0).
 				AddData(pubkeyHash).

psbt/utils.go

@@ -12,8 +12,8 @@ import (
 	"io"
 	"sort"
 
-	"github.com/btcsuite/btcd/txscript"
-	"github.com/btcsuite/btcd/wire"
+	"github.com/lbryio/lbcd/txscript"
+	"github.com/lbryio/lbcd/wire"
 )
 
 // WriteTxWitness is a utility function due to non-exported witness

psbt/utils_test.go

@@ -5,8 +5,8 @@ import (
 	"reflect"
 	"testing"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/wire"
 )
 
 func TestSumUtxoInputValues(t *testing.T) {

test_coverage.txt

@@ -1,72 +0,0 @@
-
-github.com/conformal/btcutil/base58.go	 Base58Decode			 100.00% (20/20)
-github.com/conformal/btcutil/base58.go	 Base58Encode			 100.00% (15/15)
-github.com/conformal/btcutil/block.go	 Block.Tx			 100.00% (12/12)
-github.com/conformal/btcutil/wif.go	 WIF.String			 100.00% (11/11)
-github.com/conformal/btcutil/block.go	 Block.Transactions		 100.00% (11/11)
-github.com/conformal/btcutil/amount.go	 AmountUnit.String		 100.00% (8/8)
-github.com/conformal/btcutil/tx.go	 NewTxFromReader		 100.00% (6/6)
-github.com/conformal/btcutil/block.go	 NewBlockFromBytes		 100.00% (6/6)
-github.com/conformal/btcutil/block.go	 NewBlockFromReader		 100.00% (6/6)
-github.com/conformal/btcutil/address.go	 encodeAddress			 100.00% (6/6)
-github.com/conformal/btcutil/address.go	 newAddressPubKeyHash		 100.00% (5/5)
-github.com/conformal/btcutil/address.go	 newAddressScriptHashFromHash	 100.00% (5/5)
-github.com/conformal/btcutil/tx.go	 Tx.Sha				 100.00% (5/5)
-github.com/conformal/btcutil/block.go	 Block.Sha			 100.00% (5/5)
-github.com/conformal/btcutil/amount.go	 NewAmount			 100.00% (5/5)
-github.com/conformal/btcutil/amount.go	 round				 100.00% (3/3)
-github.com/conformal/btcutil/address.go	 NewAddressScriptHash		 100.00% (2/2)
-github.com/conformal/btcutil/amount.go	 Amount.Format			 100.00% (2/2)
-github.com/conformal/btcutil/tx.go	 NewTxFromBytes			 100.00% (2/2)
-github.com/conformal/btcutil/hash160.go	 calcHash			 100.00% (2/2)
-github.com/conformal/btcutil/address.go	 AddressPubKeyHash.Hash160	 100.00% (1/1)
-github.com/conformal/btcutil/block.go	 OutOfRangeError.Error		 100.00% (1/1)
-github.com/conformal/btcutil/block.go	 Block.MsgBlock			 100.00% (1/1)
-github.com/conformal/btcutil/tx.go	 Tx.MsgTx			 100.00% (1/1)
-github.com/conformal/btcutil/hash160.go	 Hash160			 100.00% (1/1)
-github.com/conformal/btcutil/block.go	 NewBlockFromBlockAndBytes	 100.00% (1/1)
-github.com/conformal/btcutil/block.go	 Block.Height			 100.00% (1/1)
-github.com/conformal/btcutil/block.go	 Block.SetHeight		 100.00% (1/1)
-github.com/conformal/btcutil/block.go	 NewBlock			 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressPubKeyHash.IsForNet	 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressPubKey.EncodeAddress	 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 NewAddressPubKeyHash		 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressPubKeyHash.EncodeAddress 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressPubKeyHash.ScriptAddress 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressPubKeyHash.String	 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 NewAddressScriptHashFromHash	 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressScriptHash.EncodeAddress 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressScriptHash.ScriptAddress 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressScriptHash.IsForNet	 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressScriptHash.String	 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressScriptHash.Hash160	 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressPubKey.ScriptAddress	 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressPubKey.IsForNet		 100.00% (1/1)
-github.com/conformal/btcutil/address.go	 AddressPubKey.String		 100.00% (1/1)
-github.com/conformal/btcutil/tx.go	 NewTx				 100.00% (1/1)
-github.com/conformal/btcutil/tx.go	 Tx.SetIndex			 100.00% (1/1)
-github.com/conformal/btcutil/amount.go	 Amount.ToUnit			 100.00% (1/1)
-github.com/conformal/btcutil/tx.go	 Tx.Index			 100.00% (1/1)
-github.com/conformal/btcutil/amount.go	 Amount.String			 100.00% (1/1)
-github.com/conformal/btcutil/amount.go	 Amount.MulF64			 100.00% (1/1)
-github.com/conformal/btcutil/appdata.go	 appDataDir			 92.00% (23/25)
-github.com/conformal/btcutil/block.go	 Block.TxLoc			 88.89% (8/9)
-github.com/conformal/btcutil/block.go	 Block.Bytes			 88.89% (8/9)
-github.com/conformal/btcutil/address.go	 NewAddressPubKey		 87.50% (7/8)
-github.com/conformal/btcutil/address.go	 DecodeAddress			 85.00% (17/20)
-github.com/conformal/btcutil/wif.go	 DecodeWIF			 85.00% (17/20)
-github.com/conformal/btcutil/address.go	 AddressPubKey.serialize	 80.00% (4/5)
-github.com/conformal/btcutil/block.go	 Block.TxSha			 75.00% (3/4)
-github.com/conformal/btcutil/wif.go	 paddedAppend			 66.67% (2/3)
-github.com/conformal/btcutil/wif.go	 NewWIF				 66.67% (2/3)
-github.com/conformal/btcutil/certgen.go	 NewTLSCertPair			 0.00% (0/54)
-github.com/conformal/btcutil/wif.go	 WIF.SerializePubKey		 0.00% (0/4)
-github.com/conformal/btcutil/address.go	 AddressPubKey.AddressPubKeyHash 0.00% (0/3)
-github.com/conformal/btcutil/address.go	 AddressPubKey.Format		 0.00% (0/1)
-github.com/conformal/btcutil/address.go	 AddressPubKey.PubKey		 0.00% (0/1)
-github.com/conformal/btcutil/address.go	 AddressPubKey.SetFormat	 0.00% (0/1)
-github.com/conformal/btcutil/wif.go	 WIF.IsForNet			 0.00% (0/1)
-github.com/conformal/btcutil/appdata.go	 AppDataDir			 0.00% (0/1)
-github.com/conformal/btcutil/net.go	 interfaceAddrs			 0.00% (0/1)
-github.com/conformal/btcutil		 ------------------------------- 75.88% (258/340)
-

tx.go

@@ -2,14 +2,14 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil
+package lbcutil
 
 import (
 	"bytes"
 	"io"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/wire"
 )
 
 // TxIndexUnknown is the value returned for a transaction index that is unknown.

tx_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil_test
+package lbcutil_test
 
 import (
 	"bytes"
@@ -10,15 +10,15 @@ import (
 	"reflect"
 	"testing"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcutil"
 	"github.com/davecgh/go-spew/spew"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcutil"
 )
 
 // TestTx tests the API for Tx.
 func TestTx(t *testing.T) {
 	testTx := Block100000.Transactions[0]
-	tx := btcutil.NewTx(testTx)
+	tx := lbcutil.NewTx(testTx)
 
 	// Ensure we get the same data back out.
 	if msgTx := tx.MsgTx(); !reflect.DeepEqual(msgTx, testTx) {
@@ -63,7 +63,7 @@ func TestNewTxFromBytes(t *testing.T) {
 	testTxBytes := testTxBuf.Bytes()
 
 	// Create a new transaction from the serialized bytes.
-	tx, err := btcutil.NewTxFromBytes(testTxBytes)
+	tx, err := lbcutil.NewTxFromBytes(testTxBytes)
 	if err != nil {
 		t.Errorf("NewTxFromBytes: %v", err)
 		return
@@ -89,7 +89,7 @@ func TestTxErrors(t *testing.T) {
 
 	// Truncate the transaction byte buffer to force errors.
 	shortBytes := testTxBytes[:4]
-	_, err = btcutil.NewTxFromBytes(shortBytes)
+	_, err = lbcutil.NewTxFromBytes(shortBytes)
 	if err != io.EOF {
 		t.Errorf("NewTxFromBytes: did not get expected error - "+
 			"got %v, want %v", err, io.EOF)
@@ -99,7 +99,7 @@ func TestTxErrors(t *testing.T) {
 // TestTxHasWitness tests the HasWitness() method.
 func TestTxHasWitness(t *testing.T) {
 	msgTx := Block100000.Transactions[0] // contains witness data
-	tx := btcutil.NewTx(msgTx)
+	tx := lbcutil.NewTx(msgTx)
 
 	tx.WitnessHash() // Populate the witness hash cache
 	tx.HasWitness()  // Should not fail (see btcsuite/btcd#1543)
@@ -109,7 +109,7 @@ func TestTxHasWitness(t *testing.T) {
 	}
 
 	for _, msgTxWithoutWitness := range Block100000.Transactions[1:] {
-		txWithoutWitness := btcutil.NewTx(msgTxWithoutWitness)
+		txWithoutWitness := lbcutil.NewTx(msgTxWithoutWitness)
 		if txWithoutWitness.HasWitness() {
 			t.Errorf("HasWitness: got false, want true")
 		}
@@ -119,7 +119,7 @@ func TestTxHasWitness(t *testing.T) {
 // TestTxWitnessHash tests the WitnessHash() method.
 func TestTxWitnessHash(t *testing.T) {
 	msgTx := Block100000.Transactions[0] // contains witness data
-	tx := btcutil.NewTx(msgTx)
+	tx := lbcutil.NewTx(msgTx)
 
 	if tx.WitnessHash().IsEqual(tx.Hash()) {
 		t.Errorf("WitnessHash: witness hash and tx id must NOT be same - "+
@@ -127,7 +127,7 @@ func TestTxWitnessHash(t *testing.T) {
 	}
 
 	for _, msgTxWithoutWitness := range Block100000.Transactions[1:] {
-		txWithoutWitness := btcutil.NewTx(msgTxWithoutWitness)
+		txWithoutWitness := lbcutil.NewTx(msgTxWithoutWitness)
 		if !txWithoutWitness.WitnessHash().IsEqual(txWithoutWitness.Hash()) {
 			t.Errorf("WitnessHash: witness hash and tx id must be same - "+
 				"got %v, want %v", txWithoutWitness.WitnessHash(), txWithoutWitness.Hash())

txsort/README.md

@@ -1,9 +1,7 @@
 txsort
 ======
 
-[![Build Status](http://img.shields.io/travis/btcsuite/btcutil.svg)](https://travis-ci.org/btcsuite/btcutil)
 [![ISC License](http://img.shields.io/badge/license-ISC-blue.svg)](http://copyfree.org)
-[![GoDoc](http://img.shields.io/badge/godoc-reference-blue.svg)](http://godoc.org/github.com/btcsuite/btcutil/txsort)
 
 Package txsort provides the transaction sorting according to [BIP 69](https://github.com/bitcoin/bips/blob/master/bip-0069.mediawiki).
 
@@ -17,15 +15,4 @@ then on the index as a tie breaker.  The order for outputs is defined as first
 sorting on the amount and then on the raw public key script bytes as a tie
 breaker.
 
-A comprehensive suite of tests is provided to ensure proper functionality.
-
-## Installation and Updating
-
-```bash
-$ go get -u github.com/btcsuite/btcutil/txsort
-```
-
-## License
-
-Package txsort is licensed under the [copyfree](http://copyfree.org) ISC
-License.
+A comprehensive suite of tests is provided to ensure proper functionality.

txsort/doc.go

@@ -5,7 +5,7 @@
 /*
 Package txsort provides the transaction sorting according to BIP 69.
 
-Overview
+# Overview
 
 BIP 69 defines a standard lexicographical sort order of transaction inputs and
 outputs.  This is useful to standardize transactions for faster multi-party

txsort/txsort.go

@@ -11,8 +11,8 @@ import (
 	"bytes"
 	"sort"
 
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcd/wire"
 )
 
 // InPlaceSort modifies the passed transaction inputs and outputs to be sorted
@@ -21,7 +21,7 @@ import (
 // WARNING: This function must NOT be called with published transactions since
 // it will mutate the transaction if it's not already sorted.  This can cause
 // issues if you mutate a tx in a block, for example, which would invalidate the
-// block.  It could also cause cached hashes, such as in a btcutil.Tx to become
+// block.  It could also cause cached hashes, such as in a lbcutil.Tx to become
 // invalidated.
 //
 // The function should only be used if the caller is creating the transaction or

txsort/txsort_test.go

@@ -11,8 +11,8 @@ import (
 	"path/filepath"
 	"testing"
 
-	"github.com/btcsuite/btcd/wire"
-	"github.com/btcsuite/btcutil/txsort"
+	"github.com/lbryio/lbcd/wire"
+	"github.com/lbryio/lbcutil/txsort"
 )
 
 // TestSort ensures the transaction sorting works according to the BIP.

wif.go

@@ -2,16 +2,16 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil
+package lbcutil
 
 import (
 	"bytes"
 	"errors"
 
-	"github.com/btcsuite/btcd/btcec"
-	"github.com/btcsuite/btcd/chaincfg"
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcutil/base58"
+	"github.com/lbryio/lbcd/btcec"
+	"github.com/lbryio/lbcd/chaincfg"
+	"github.com/lbryio/lbcd/chaincfg/chainhash"
+	"github.com/lbryio/lbcutil/base58"
 )
 
 // ErrMalformedPrivateKey describes an error where a WIF-encoded private
@@ -68,14 +68,14 @@ func (w *WIF) IsForNet(net *chaincfg.Params) bool {
 // The WIF string must be a base58-encoded string of the following byte
 // sequence:
 //
-//  * 1 byte to identify the network, must be 0x80 for mainnet or 0xef for
-//    either testnet3 or the regression test network
-//  * 32 bytes of a binary-encoded, big-endian, zero-padded private key
-//  * Optional 1 byte (equal to 0x01) if the address being imported or exported
-//    was created by taking the RIPEMD160 after SHA256 hash of a serialized
-//    compressed (33-byte) public key
-//  * 4 bytes of checksum, must equal the first four bytes of the double SHA256
-//    of every byte before the checksum in this sequence
+//   - 1 byte to identify the network, must be 0x80 for mainnet or 0xef for
+//     either testnet3 or the regression test network
+//   - 32 bytes of a binary-encoded, big-endian, zero-padded private key
+//   - Optional 1 byte (equal to 0x01) if the address being imported or exported
+//     was created by taking the RIPEMD160 after SHA256 hash of a serialized
+//     compressed (33-byte) public key
+//   - 4 bytes of checksum, must equal the first four bytes of the double SHA256
+//     of every byte before the checksum in this sequence
 //
 // If the base58-decoded byte sequence does not match this, DecodeWIF will
 // return a non-nil error.  ErrMalformedPrivateKey is returned when the WIF

wif_test.go

@@ -2,16 +2,16 @@
 // Use of this source code is governed by an ISC
 // license that can be found in the LICENSE file.
 
-package btcutil_test
+package lbcutil_test
 
 import (
 	"bytes"
 	"encoding/hex"
 	"testing"
 
-	"github.com/btcsuite/btcd/btcec"
-	"github.com/btcsuite/btcd/chaincfg"
-	. "github.com/btcsuite/btcutil"
+	"github.com/lbryio/lbcd/btcec"
+	"github.com/lbryio/lbcd/chaincfg"
+	. "github.com/lbryio/lbcutil"
 )
 
 func TestEncodeDecodeWIF(t *testing.T) {
@@ -64,6 +64,8 @@ func TestEncodeDecodeWIF(t *testing.T) {
 	}
 
 	for _, validCase := range validEncodeCases {
+		validCase := validCase
+
 		t.Run(validCase.name, func(t *testing.T) {
 			priv, _ := btcec.PrivKeyFromBytes(btcec.S256(), validCase.privateKey)
 			wif, err := NewWIF(priv, validCase.net, validCase.compress)
@@ -122,6 +124,8 @@ func TestEncodeDecodeWIF(t *testing.T) {
 	}
 
 	for _, invalidCase := range invalidDecodeCases {
+		invalidCase := invalidCase
+
 		t.Run(invalidCase.name, func(t *testing.T) {
 			decodedWif, err := DecodeWIF(invalidCase.wif)
 			if decodedWif != nil {