remove psbt/go.sum as well

.github/workflows/go.yml

@@ -6,23 +6,21 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [1.19]
+        go: [1.16]
     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
         run: go build ./...
-
       - name: Test
         run: |
           sh ./goclean.sh
-
       - name: Send lbcutil coverage
         uses: shogo82148/actions-goveralls@v1
         with:

.github/workflows/golangci-lint.yml

@@ -1,57 +0,0 @@
-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

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

.golangci.yml

@@ -1,152 +0,0 @@
-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

@@ -1,116 +0,0 @@
-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

address.go

@@ -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
-	// beginning with an identifier byte unknown to any standard or
+	// begining 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 (or bech32m for SegWit v1) encoded
-// address string representation from witness version and witness program.
+// encodeSegWitAddress creates a bech32 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.
@@ -79,19 +79,7 @@ func encodeSegWitAddress(hrp string, witnessVersion byte, witnessProgram []byte)
 	combined := make([]byte, len(converted)+1)
 	combined[0] = witnessVersion
 	copy(combined[1:], converted)
-
-	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)
-	}
+	bech, err := bech32.Encode(hrp, combined)
 	if err != nil {
 		return "", err
 	}
@@ -161,9 +149,8 @@ func DecodeAddress(addr string, defaultNet *chaincfg.Params) (Address, error) {
 			}
 
 			// We currently only support P2WPKH and P2WSH, which is
-			// witness version 0 and P2TR which is witness version
-			// 1.
-			if witnessVer != 0 && witnessVer != 1 {
+			// witness version 0.
+			if witnessVer != 0 {
 				return nil, UnsupportedWitnessVerError(witnessVer)
 			}
 
@@ -174,10 +161,6 @@ 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))
@@ -227,7 +210,7 @@ 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, bech32version, err := bech32.DecodeGeneric(address)
+	_, data, err := bech32.Decode(address)
 	if err != nil {
 		return 0, nil, err
 	}
@@ -263,18 +246,6 @@ 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
 }
 
@@ -294,7 +265,7 @@ 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 identifier byte is already
+// structure from a string encoding where the identifer byte is already
 // known.
 func newAddressPubKeyHash(pkHash []byte, netID byte) (*AddressPubKeyHash, error) {
 	// Check for a valid pubkey hash length.
@@ -333,7 +304,7 @@ func (a *AddressPubKeyHash) String() string {
 }
 
 // Hash160 returns the underlying array of the pubkey hash.  This can be useful
-// when an array is more appropriate than a slice (for example, when used as map
+// when an array is more appropiate than a slice (for example, when used as map
 // keys).
 func (a *AddressPubKeyHash) Hash160() *[ripemd160.Size]byte {
 	return &a.hash
@@ -361,7 +332,7 @@ 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 identifier byte is already
+// address structure from a string encoding where the identifer byte is already
 // known.
 func newAddressScriptHashFromHash(scriptHash []byte, netID byte) (*AddressScriptHash, error) {
 	// Check for a valid script hash length.
@@ -400,7 +371,7 @@ func (a *AddressScriptHash) String() string {
 }
 
 // Hash160 returns the underlying array of the script hash.  This can be useful
-// when an array is more appropriate than a slice (for example, when used as map
+// when an array is more appropiate than a slice (for example, when used as map
 // keys).
 func (a *AddressScriptHash) Hash160() *[ripemd160.Size]byte {
 	return &a.hash
@@ -535,88 +506,25 @@ 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 {
-	AddressSegWit
+	hrp            string
+	witnessVersion byte
+	witnessProgram [20]byte
 }
 
 // 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 {
@@ -625,22 +533,68 @@ func newAddressWitnessPubKeyHash(hrp string,
 	}
 
 	addr := &AddressWitnessPubKeyHash{
-		AddressSegWit{
-			hrp:            strings.ToLower(hrp),
-			witnessVersion: 0x00,
-			witnessProgram: witnessProg,
-		},
+		hrp:            strings.ToLower(hrp),
+		witnessVersion: 0x00,
 	}
 
+	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 {
-	var pubKeyHashWitnessProgram [20]byte
-	copy(pubKeyHashWitnessProgram[:], a.witnessProgram)
-	return &pubKeyHashWitnessProgram
+	return &a.witnessProgram
 }
 
 // AddressWitnessScriptHash is an Address for a pay-to-witness-script-hash
@@ -648,22 +602,20 @@ func (a *AddressWitnessPubKeyHash) Hash160() *[20]byte {
 // witness address encoding:
 // https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki
 type AddressWitnessScriptHash struct {
-	AddressSegWit
+	hrp            string
+	witnessVersion byte
+	witnessProgram [32]byte
 }
 
 // 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 {
@@ -672,49 +624,60 @@ func newAddressWitnessScriptHash(hrp string,
 	}
 
 	addr := &AddressWitnessScriptHash{
-		AddressSegWit{
-			hrp:            strings.ToLower(hrp),
-			witnessVersion: 0x00,
-			witnessProgram: witnessProg,
-		},
+		hrp:            strings.ToLower(hrp),
+		witnessVersion: 0x00,
 	}
 
+	copy(addr.witnessProgram[:], witnessProg)
+
 	return addr, nil
 }
 
-// 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")
+// 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 ""
 	}
-
-	addr := &AddressTaproot{
-		AddressSegWit{
-			hrp:            strings.ToLower(hrp),
-			witnessVersion: 0x01,
-			witnessProgram: witnessProg,
-		},
-	}
-
-	return addr, nil
+	return str
+}
+
+// ScriptAddress returns the witness program for this address.
+// Part of the Address interface.
+func (a *AddressWitnessScriptHash) ScriptAddress() []byte {
+	return a.witnessProgram[:]
+}
+
+// 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[:]
 }

address_test.go

@@ -655,123 +655,13 @@ func TestAddresses(t *testing.T) {
 			},
 			net: &customParams,
 		},
-
-		// P2TR address tests.
+		// Unsupported witness versions (version 0 only supported at this point)
 		{
-			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",
+			name:  "segwit mainnet witness v1",
+			addr:  "bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7k7grplx",
 			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",
@@ -876,7 +766,7 @@ 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 addresses: %v != %v",
+				t.Errorf("%v: decoding and encoding produced different addressess: %v != %v",
 					test.name, test.encoded, encoded)
 				return
 			}
@@ -898,8 +788,6 @@ func TestAddresses(t *testing.T) {
 				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

amount.go

@@ -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 coin amount")
+		return 0, errors.New("invalid bitcoin 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 formatted with an appended label describing
+// however, known units will be formated 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

@@ -27,25 +27,25 @@ func TestAmountCreation(t *testing.T) {
 		},
 		{
 			name:     "max producible",
-			amount:   21e9,
+			amount:   21e6,
 			valid:    true,
 			expected: MaxSatoshi,
 		},
 		{
 			name:     "min producible",
-			amount:   -21e9,
+			amount:   -21e6,
 			valid:    true,
 			expected: -MaxSatoshi,
 		},
 		{
 			name:     "exceeds max producible",
-			amount:   21e9 + 1e-8,
+			amount:   21e6 + 1e-8,
 			valid:    true,
 			expected: MaxSatoshi + 1,
 		},
 		{
 			name:     "exceeds min producible",
-			amount:   -21e9 - 1e-8,
+			amount:   -21e6 - 1e-8,
 			valid:    true,
 			expected: -MaxSatoshi - 1,
 		},
@@ -122,8 +122,8 @@ func TestAmountUnitConversions(t *testing.T) {
 			name:      "MLBC",
 			amount:    MaxSatoshi,
 			unit:      AmountMegaBTC,
-			converted: 21000,
-			s:         "21000 MLBC",
+			converted: 21,
+			s:         "21 MLBC",
 		},
 		{
 			name:      "kLBC",

appdata.go

@@ -95,12 +95,11 @@ 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)
 }

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

@@ -37,14 +37,11 @@ func TestBase58Check(t *testing.T) {
 
 		// test decoding
 		res, version, err := base58.CheckDecode(test.out)
-		switch {
-		case err != nil:
+		if err != nil {
 			t.Errorf("CheckDecode test #%d failed with err: %v", x, err)
-
-		case version != test.version:
+		} else if version != test.version {
 			t.Errorf("CheckDecode test #%d failed: got version: %d want: %d", x, version, test.version)
-
-		case string(res) != test.in:
+		} else if string(res) != test.in {
 			t.Errorf("CheckDecode test #%d failed: got: %s want: %s", x, res, test.in)
 		}
 	}
@@ -59,7 +56,7 @@ func TestBase58Check(t *testing.T) {
 	// bytes are missing).
 	testString := ""
 	for len := 0; len < 4; len++ {
-		testString += "x"
+		testString = 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/genalphabet.go

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

bech32/bech32.go

@@ -123,11 +123,8 @@ 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,
-	version Version) {
-
-	bech32Const := int(VersionToConsts[version])
-	polymod := bech32Polymod(hrp, data, nil) ^ bech32Const
+func writeBech32Checksum(hrp string, data []byte, bldr *strings.Builder) {
+	polymod := bech32Polymod(hrp, data, nil) ^ 1
 	for i := 0; i < 6; i++ {
 		b := byte((polymod >> uint(5*(5-i))) & 31)
 
@@ -140,47 +137,38 @@ 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 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).
+// the correct checksum suffix.
 //
 // 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) (Version, bool) {
+func bech32VerifyChecksum(hrp string, data []byte) bool {
 	checksum := data[len(data)-6:]
 	values := data[:len(data)-6]
 	polymod := bech32Polymod(hrp, values, checksum)
-
-	// 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
+	return polymod == 1
 }
 
-// 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) {
+// 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) {
 	// 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, VersionUnknown, ErrInvalidLength(len(bech))
+		return "", nil, 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, VersionUnknown, ErrInvalidCharacter(bech[i])
+			return "", nil, ErrInvalidCharacter(bech[i])
 		}
 
 		// The characters must be either all lowercase or all uppercase. Testing
@@ -188,7 +176,7 @@ func decodeNoLimit(bech string) (string, []byte, Version, error) {
 		hasLower = hasLower || (bech[i] >= 97 && bech[i] <= 122)
 		hasUpper = hasUpper || (bech[i] >= 65 && bech[i] <= 90)
 		if hasLower && hasUpper {
-			return "", nil, VersionUnknown, ErrMixedCase{}
+			return "", nil, ErrMixedCase{}
 		}
 	}
 
@@ -203,7 +191,7 @@ func decodeNoLimit(bech string) (string, []byte, Version, 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, VersionUnknown, ErrInvalidSeparatorIndex(one)
+		return "", nil, ErrInvalidSeparatorIndex(one)
 	}
 
 	// The human-readable part is everything before the last '1'.
@@ -214,13 +202,12 @@ func decodeNoLimit(bech string) (string, []byte, Version, error) {
 	// 'charset'.
 	decoded, err := toBytes(data)
 	if err != nil {
-		return "", nil, VersionUnknown, err
+		return "", nil, err
 	}
 
 	// Verify if the checksum (stored inside decoded[:]) is valid, given the
 	// previously decoded hrp.
-	bech32Version, ok := bech32VerifyChecksum(hrp, decoded)
-	if !ok {
+	if !bech32VerifyChecksum(hrp, decoded) {
 		// Invalid checksum. Calculate what it should have been, so that the
 		// error contains this information.
 
@@ -228,42 +215,21 @@ func decodeNoLimit(bech string) (string, []byte, Version, error) {
 		actual := bech[len(bech)-6:]
 		payload := decoded[:len(decoded)-6]
 
-		// Calculate the expected checksum, given the hrp and payload
-		// data. We'll actually compute _both_ possibly valid checksum
-		// to further aide in debugging.
+		// Calculate the expected checksum, given the hrp and payload data.
 		var expectedBldr strings.Builder
 		expectedBldr.Grow(6)
-		writeBech32Checksum(hrp, payload, &expectedBldr, Version0)
-		expectedVersion0 := expectedBldr.String()
-
-		var b strings.Builder
-		b.Grow(6)
-		writeBech32Checksum(hrp, payload, &expectedBldr, VersionM)
-		expectedVersionM := expectedBldr.String()
+		writeBech32Checksum(hrp, payload, &expectedBldr)
+		expected := expectedBldr.String()
 
 		err = ErrInvalidChecksum{
-			Expected:  expectedVersion0,
-			ExpectedM: expectedVersionM,
-			Actual:    actual,
+			Expected: expected,
+			Actual:   actual,
 		}
-		return "", nil, VersionUnknown, err
+		return "", nil, err
 	}
 
 	// We exclude the last 6 bytes, which is the checksum.
-	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
+	return hrp, decoded[:len(decoded)-6], nil
 }
 
 // Decode decodes a bech32 encoded string, returning the human-readable part and
@@ -277,31 +243,16 @@ func Decode(bech string) (string, []byte, error) {
 		return "", nil, ErrInvalidLength(len(bech))
 	}
 
-	hrp, data, _, err := decodeNoLimit(bech)
-	return hrp, data, err
+	return DecodeNoLimit(bech)
 }
 
-// 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.
+// 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.
 	hrp = strings.ToLower(hrp)
 	var bldr strings.Builder
 	bldr.Grow(len(hrp) + 1 + len(data) + 6)
@@ -317,26 +268,11 @@ func encodeGeneric(hrp string, data []byte,
 	}
 
 	// Calculate and write the checksum of the data.
-	writeBech32Checksum(hrp, data, &bldr, version)
+	writeBech32Checksum(hrp, data, &bldr)
 
 	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) {
@@ -362,7 +298,7 @@ func ConvertBits(data []byte, fromBits, toBits uint8, pad bool) ([]byte, error)
 	for _, b := range data {
 
 		// Discard unused bits.
-		b <<= 8 - fromBits
+		b = b << (8 - fromBits)
 
 		// How many bits remaining to extract from the input data.
 		remFromBits := fromBits
@@ -383,7 +319,7 @@ func ConvertBits(data []byte, fromBits, toBits uint8, pad bool) ([]byte, error)
 
 			// Discard the bits we just extracted and get ready for
 			// next iteration.
-			b <<= toExtract
+			b = b << toExtract
 			remFromBits -= toExtract
 			filledBits += toExtract
 
@@ -399,7 +335,7 @@ func ConvertBits(data []byte, fromBits, toBits uint8, pad bool) ([]byte, error)
 
 	// We pad any unfinished group if specified.
 	if pad && filledBits > 0 {
-		nextByte <<= toBits - filledBits
+		nextByte = nextByte << (toBits - filledBits)
 		regrouped = append(regrouped, nextByte)
 		filledBits = 0
 		nextByte = 0

bech32/bech32_test.go

@@ -22,18 +22,17 @@ func TestBech32(t *testing.T) {
 		expectedError error
 	}{
 		{"A12UEL5L", nil},
-		{"a12uel5l", nil},
 		{"an83characterlonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1tt5tgs", nil},
 		{"abcdef1qpzry9x8gf2tvdw0s3jn54khce6mua7lmqqqxw", nil},
 		{"11qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqc8247j", nil},
 		{"split1checkupstagehandshakeupstreamerranterredcaperred2y9e3w", nil},
-		{"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
+		{"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
 
 		// Additional test vectors used in bitcoin core
 		{" 1nwldj5", ErrInvalidCharacter(' ')},
@@ -45,7 +44,7 @@ func TestBech32(t *testing.T) {
 		{"x1b4n0q5v", ErrNonCharsetChar(98)},
 		{"li1dgmt3", ErrInvalidSeparatorIndex(2)},
 		{"de1lg7wt\xff", ErrInvalidCharacter(0xff)},
-		{"A1G7SGD8", ErrInvalidChecksum{"2uel5l", "2uel5llqfn3a", "g7sgd8"}},
+		{"A1G7SGD8", ErrInvalidChecksum{"2uel5l", "g7sgd8"}},
 		{"10a06t8", ErrInvalidLength(7)},
 		{"1qzzfhee", ErrInvalidSeparatorIndex(0)},
 		{"a12UEL5L", ErrMixedCase{}},
@@ -87,127 +86,6 @@ 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.
@@ -364,7 +242,7 @@ func TestBech32Base256(t *testing.T) {
 	}, {
 		name:    "same as previous but with checksum invalidated",
 		encoded: "split1checkupstagehandshakeupstreamerranterredcaperred2y9e2w",
-		err:     ErrInvalidChecksum{"2y9e3w", "2y9e3wlc445v", "2y9e2w"},
+		err:     ErrInvalidChecksum{"2y9e3w", "2y9e2w"},
 	}, {
 		name:    "hrp with invalid character (space)",
 		encoded: "s lit1checkupstagehandshakeupstreamerranterredcaperredp8hs2p",

bech32/error.go

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

bech32/version.go

@@ -1,43 +0,0 @@
-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

@@ -69,13 +69,6 @@ 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) {
@@ -97,12 +90,6 @@ 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.

block_test.go

@@ -11,10 +11,10 @@ import (
 	"testing"
 	"time"
 
-	"github.com/davecgh/go-spew/spew"
 	"github.com/lbryio/lbcd/chaincfg/chainhash"
 	"github.com/lbryio/lbcd/wire"
 	"github.com/lbryio/lbcutil"
+	"github.com/davecgh/go-spew/spew"
 )
 
 // TestBlock tests the API for Block.

bloom/filter_test.go

@@ -492,6 +492,158 @@ 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 := lbcutil.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

@@ -116,7 +116,7 @@ func NewMerkleBlock(block *lbcutil.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)

certgen.go

@@ -61,7 +61,7 @@ func NewTLSCertPair(organization string, validUntil time.Time, extraHosts []stri
 
 	addIP := func(ipAddr net.IP) {
 		for _, ip := range ipAddresses {
-			if ip.Equal(ipAddr) {
+			if bytes.Equal(ip, ipAddr) {
 				return
 			}
 		}

coinset/coins.go

@@ -75,8 +75,7 @@ func (cs *CoinSet) TotalValue() (value lbcutil.Amount) {
 }
 
 // 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
 }
@@ -239,6 +238,7 @@ func (s MaxValueAgeCoinSelector) CoinSelect(targetValue lbcutil.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        lbcutil.Amount

coinset/coins_test.go

@@ -33,7 +33,7 @@ func (c *TestCoin) ValueAge() int64       { return int64(c.TxValue) * c.TxNumCon
 
 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,

doc.go

@@ -5,21 +5,21 @@
 /*
 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

example_test.go

@@ -18,9 +18,9 @@ func ExampleAmount() {
 	a = lbcutil.Amount(1e5)
 	fmt.Println("100,000 Satoshis:", a)
 	// Output:
-	// Zero Satoshi: 0 LBC
-	// 100,000,000 Satoshis: 1 LBC
-	// 100,000 Satoshis: 0.001 LBC
+	// Zero Satoshi: 0 BTC
+	// 100,000,000 Satoshis: 1 BTC
+	// 100,000 Satoshis: 0.001 BTC
 }
 
 func ExampleNewAmount() {
@@ -52,25 +52,25 @@ func ExampleNewAmount() {
 	}
 	fmt.Println(amountNaN) //Output 4
 
-	// Output: 1 LBC
-	// 0.01234567 LBC
-	// 0 LBC
-	// invalid coin amount
+	// Output: 1 BTC
+	// 0.01234567 BTC
+	// 0 BTC
+	// invalid bitcoin amount
 }
 
 func ExampleAmount_unitConversions() {
 	amount := lbcutil.Amount(44433322211100)
 
-	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 kBTC:", amount.Format(lbcutil.AmountKiloBTC))
+	fmt.Println("Satoshi to BTC:", amount)
+	fmt.Println("Satoshi to MilliBTC:", amount.Format(lbcutil.AmountMilliBTC))
+	fmt.Println("Satoshi to MicroBTC:", amount.Format(lbcutil.AmountMicroBTC))
 	fmt.Println("Satoshi to Satoshi:", amount.Format(lbcutil.AmountSatoshi))
 
 	// Output:
-	// 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 kBTC: 444.333222111 kBTC
+	// Satoshi to BTC: 444333.222111 BTC
+	// Satoshi to MilliBTC: 444333222.111 mBTC
+	// Satoshi to MicroBTC: 444333222111 μBTC
 	// Satoshi to Satoshi: 44433322211100 Satoshi
 }

gcs/builder/builder.go

@@ -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

@@ -19,6 +19,9 @@ import (
 )
 
 var (
+	// No need to allocate an err variable in every test
+	err error
+
 	// List of values for building a filter
 	contents = [][]byte{
 		[]byte("Alex"),

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/kkdai/bstream"
 	"github.com/lbryio/lbcd/wire"
+	"github.com/kkdai/bstream"
 )
 
 // 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) { // nolint:gocritic
+func BuildGCSFilter(P uint8, M uint64, key [KeySize]byte, data [][]byte) (*Filter, error) {
 	// 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) { // nolint:gocritic
+func FromBytes(N uint32, P uint8, M uint64, d []byte) (*Filter, error) {
 	// 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) { // noli
 
 // 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) { // nolint:gocritic
+func FromNBytes(P uint8, M uint64, d []byte) (*Filter, error) {
 	buffer := bytes.NewBuffer(d)
 	N, err := wire.ReadVarInt(buffer, varIntProtoVer)
 	if err != nil {

gcs/gcs_test.go

@@ -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 *gcs.Filter
+	filter, filter2, filter3, filter4, filter5 *gcs.Filter
 
 	// We need to use the same key for building and querying the filters
 	key [gcs.KeySize]byte
@@ -328,8 +328,6 @@ 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

@@ -28,6 +28,7 @@ func genRandFilterElements(numElements uint) ([][]byte, error) {
 
 var (
 	generatedFilter *gcs.Filter
+	filterErr       error
 )
 
 // BenchmarkGCSFilterBuild benchmarks building a filter.
@@ -100,7 +101,7 @@ func BenchmarkGCSFilterMatch(b *testing.B) {
 
 	var localMatch bool
 	for i := 0; i < b.N; i++ {
-		_, err = filter.Match(key, []byte("Nate"))
+		localMatch, err = filter.Match(key, []byte("Nate"))
 		if err != nil {
 			b.Fatalf("unable to match filter: %v", err)
 		}
@@ -114,6 +115,8 @@ func BenchmarkGCSFilterMatch(b *testing.B) {
 }
 
 var (
+	randElems1, _        = genRandFilterElements(1)
+	randElems10, _       = genRandFilterElements(10)
 	randElems100, _      = genRandFilterElements(100)
 	randElems1000, _     = genRandFilterElements(1000)
 	randElems10000, _    = genRandFilterElements(10000)
@@ -161,8 +164,6 @@ 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()
 
@@ -187,8 +188,6 @@ 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()
 
@@ -213,8 +212,6 @@ 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

@@ -1,32 +1,11 @@
 module github.com/lbryio/lbcutil
 
-go 1.19
+go 1.16
 
 require (
 	github.com/aead/siphash v1.0.1
 	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
+	github.com/lbryio/lbcd v0.22.100-beta
+	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5
 )

go.sum

@@ -11,53 +11,39 @@ cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqCl
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20201218220906-28db891af037/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/CloudyKit/fastprinter v0.0.0-20170127035650-74b38d55f37a/go.mod h1:EFZQ978U7x8IRnstaskI3IysnWY5Ao3QgZUKOXlsAdw=
 github.com/CloudyKit/jet v2.1.3-0.20180809161101-62edd43e4f88+incompatible/go.mod h1:HPYO+50pSWkPoj9Q/eq0aRGByCL6ScRlUmiEX5Zgm+w=
+github.com/DataDog/zstd v1.4.5 h1:EndNeuB0l9syBZhut0wns3gV1hL8zX8LIu6ZiVHWLIQ=
 github.com/DataDog/zstd v1.4.5/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
-github.com/DataDog/zstd v1.5.0 h1:+K/VEwIAaPcHiMtQvpLD4lqW7f0Gk3xdYZmI1hD+CXo=
-github.com/DataDog/zstd v1.5.0/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
 github.com/Joker/hpp v1.0.0/go.mod h1:8x5n+M1Hp5hC0g8okX3sR3vFQwynaX/UgSOM9MeBKzY=
 github.com/Joker/jade v1.0.1-0.20190614124447-d475f43051e7/go.mod h1:6E6s8o2AE4KhCrqr6GRJjdC/gNfTdxkIXvuGZZda2VM=
-github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
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@@ -161,33 +121,23 @@ github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm
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@@ -200,52 +150,33 @@ github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:x
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@@ -266,25 +197,19 @@ github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0m
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@@ -298,46 +223,34 @@ github.com/kataras/neffos v0.0.10/go.mod h1:ZYmJC07hQPW67eKuzlfY7SO3bC0mw83A3j6i
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-github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
-github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
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 github.com/valyala/fasthttp v1.6.0/go.mod h1:FstJa9V+Pj9vQ7OJie2qMHdwemEDaDiSdBnvPM1Su9w=
@@ -503,36 +358,12 @@ github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0/go.mod h1:/LWChgwKmv
 github.com/yudai/gojsondiff v1.0.0/go.mod h1:AY32+k2cwILAkW1fbgxQ5mUmMiZFgLIV+FBNExI05xg=
 github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82/go.mod h1:lgjkn3NuSvDfVJdfcVVdX+jpBxNmX4rDAzaS45IcYoM=
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-github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
-go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
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-go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
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-go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ=
 golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -544,21 +375,16 @@ golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200115085410-6d4e4cb37c7d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
+golang.org/x/crypto v0.0.0-20210817164053-32db794688a5 h1:HWj/xjIHfjYU5nVXpTM0s39J9CbLn7Cc5a7IC5rwsMQ=
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-golang.org/x/crypto v0.0.0-20211209193657-4570a0811e8b/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
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+golang.org/x/exp v0.0.0-20200513190911-00229845015e h1:rMqLP+9XLy+LdbCXHjJHAmTfXCr93W7oruWA6Hq1Alc=
 golang.org/x/exp v0.0.0-20200513190911-00229845015e/go.mod h1:4M0jN8W1tt0AVLNr8HDosyJCDCDuyL9N9+3m7wDWgKw=
-golang.org/x/exp v0.0.0-20211123021643-48cbe7f80d7c h1:hp+QRBz/P/780ndA1Rv/UpvsR6AsVmOMGYitxgZ1PPA=
-golang.org/x/exp v0.0.0-20211123021643-48cbe7f80d7c/go.mod h1:b9TAUYHmRtqA6klRHApnXMnj+OyLce4yF5cZCUbk2ps=
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@@ -568,20 +394,12 @@ golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHl
 golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
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-golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
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-golang.org/x/mobile v0.0.0-20201217150744-e6ae53a27f4f/go.mod h1:skQtrUTUwhdJvXM/2KKJzY8pDgNr9I/FOMqDVRPBUS4=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
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-golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.5.1/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
-golang.org/x/mod v0.6.0-dev.0.20211013180041-c96bc1413d57/go.mod h1:3p9vT2HGsQu2K1YbXdKPJLVgG5VJdoTa1poYQBtP1AY=
 golang.org/x/net v0.0.0-20180719180050-a680a1efc54d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -591,7 +409,6 @@ golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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@@ -599,18 +416,10 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
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@@ -619,10 +428,8 @@ golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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@@ -630,59 +437,39 @@ golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5h
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@@ -702,32 +489,18 @@ golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgw
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20200103221440-774c71fcf114/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20200117012304-6edc0a871e69/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200207183749-b753a1ba74fa/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
-golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
-golang.org/x/tools v0.1.3/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.8-0.20211029000441-d6a9af8af023/go.mod h1:nABZi5QlRsZVlzPpHl034qft6wpY4eDcsTt5AaioBiU=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
 google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
 google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
-google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
@@ -737,70 +510,46 @@ google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRn
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
-google.golang.org/genproto v0.0.0-20190530194941-fb225487d101/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s=
 google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20210624195500-8bfb893ecb84/go.mod h1:SzzZ/N+nwJDaO1kznhnlzqS8ocJICar6hYhVyhi++24=
 google.golang.org/grpc v1.12.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
-google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
-google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
-google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
-google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
 gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
-gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 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

@@ -32,4 +32,15 @@ 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

@@ -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/bench_test.go

@@ -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
@@ -59,23 +59,22 @@ 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

@@ -132,8 +132,8 @@ func Example_defaultWalletLayout() {
 	fmt.Println("Account 0 Internal Address 0:", acct0IntAddr)
 
 	// Output:
-	// Account 0 External Address 10: bVDtK8vxoU6nyRfiNjUsapCjqJGCY2wwRq
-	// Account 0 Internal Address 0: bVp8LpwEkvJFpJLAT9jKSFn3Z281nH4wcm
+	// Account 0 External Address 10: 1HVccubUT8iKTapMJ5AnNA4sLRN27xzQ4F
+	// Account 0 Internal Address 0: 1J5rebbkQaunJTUoNVREDbeB49DqMNFFXk
 }
 
 // This example demonstrates the audits use case in BIP0032.

hdkeychain/extendedkey.go

@@ -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:
@@ -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]
@@ -470,9 +470,8 @@ 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
@@ -611,7 +610,7 @@ 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

@@ -579,7 +579,7 @@ func TestExtendedKeyAPI(t *testing.T) {
 			childNum:  0,
 			privKey:   "e8f32e723decf4051aefac8e2c93c9c5b214313817cdb01a1494b917c8436b35",
 			pubKey:    "0339a36013301597daef41fbe593a02cc513d0b55527ec2df1050e2e8ff49c85c2",
-			address:   "bHVb1pN9ACQB2QxFoXwVAbM4WSyUVVDfbW",
+			address:   "15mKKb2eos1hWa6tisdPwwDC1a5J1y9nma",
 		},
 		{
 			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:    "baUEXpVdvtuGCqyC68p94qC6tn1LSJq1LA",
+			address:    "1NjxqbA9aZWnh17q1UW3rB4EPu79wDXj7x",
 		},
 	}
 
@@ -980,10 +980,10 @@ func TestZero(t *testing.T) {
 			return false
 		}
 
-		wantAddr := "bVBPehMs2zB8d3vLtHJ7epkesDQJJ9D7Ek"
+		wantAddr := "1HT7xU2Ngenf7D4yocz2SAcnNLW7rK8d4E"
 		addr, err := key.Address(&chaincfg.MainNetParams)
 		if err != nil {
-			t.Errorf("Address #%d (%s): unexpected error: %v", i,
+			t.Errorf("Addres s #%d (%s): unexpected error: %v", i,
 				testName, err)
 			return false
 		}
@@ -1094,8 +1094,7 @@ 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

internal_test.go

@@ -59,11 +59,9 @@ func TstAddressWitnessPubKeyHash(version byte, program [20]byte,
 	hrp string) *AddressWitnessPubKeyHash {
 
 	return &AddressWitnessPubKeyHash{
-		AddressSegWit{
-			hrp:            hrp,
-			witnessVersion: version,
-			witnessProgram: program[:],
-		},
+		hrp:            hrp,
+		witnessVersion: version,
+		witnessProgram: program,
 	}
 }
 
@@ -73,24 +71,9 @@ func TstAddressWitnessScriptHash(version byte, program [32]byte,
 	hrp string) *AddressWitnessScriptHash {
 
 	return &AddressWitnessScriptHash{
-		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[:],
-		},
+		hrp:            hrp,
+		witnessVersion: version,
+		witnessProgram: program,
 	}
 }
 
@@ -129,19 +112,3 @@ 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

@@ -2,7 +2,6 @@
 // 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 lbcutil

net_noop.go

@@ -2,7 +2,6 @@
 // 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 lbcutil

psbt/psbt.go

@@ -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/davecgh/go-spew/spew"
 	"github.com/lbryio/lbcd/chaincfg/chainhash"
 	"github.com/lbryio/lbcd/txscript"
 	"github.com/lbryio/lbcd/wire"
 	"github.com/lbryio/lbcutil"
+	"github.com/davecgh/go-spew/spew"
 )
 
 // Test vectors from:

tx_test.go

@@ -10,9 +10,9 @@ import (
 	"reflect"
 	"testing"
 
-	"github.com/davecgh/go-spew/spew"
 	"github.com/lbryio/lbcd/chaincfg/chainhash"
 	"github.com/lbryio/lbcutil"
+	"github.com/davecgh/go-spew/spew"
 )
 
 // TestTx tests the API for Tx.

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

wif.go

@@ -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

@@ -64,8 +64,6 @@ 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)
@@ -124,8 +122,6 @@ 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 {