From 8dddf4319f7b28bcc4ba2a8d3dcfc787ff3b0d0d Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Thu, 5 Sep 2019 17:30:50 -0700 Subject: [PATCH] wallet/txauthor: create new wallet/txauthor module --- internal/helpers/helpers.go | 28 --------------- wallet/txauthor/author.go | 14 +++++--- wallet/txauthor/author_test.go | 6 ++-- wallet/txauthor/go.mod | 14 ++++++++ wallet/txauthor/go.sum | 66 ++++++++++++++++++++++++++++++++++ 5 files changed, 92 insertions(+), 36 deletions(-) delete mode 100644 internal/helpers/helpers.go create mode 100644 wallet/txauthor/go.mod create mode 100644 wallet/txauthor/go.sum diff --git a/internal/helpers/helpers.go b/internal/helpers/helpers.go deleted file mode 100644 index 9bf3e42..0000000 --- a/internal/helpers/helpers.go +++ /dev/null @@ -1,28 +0,0 @@ -// Copyright (c) 2016 The btcsuite developers -// Use of this source code is governed by an ISC -// license that can be found in the LICENSE file. - -// Package helpers provides convenience functions to simplify wallet code. This -// package is intended for internal wallet use only. -package helpers - -import ( - "github.com/btcsuite/btcd/wire" - "github.com/btcsuite/btcutil" -) - -// SumOutputValues sums up the list of TxOuts and returns an Amount. -func SumOutputValues(outputs []*wire.TxOut) (totalOutput btcutil.Amount) { - for _, txOut := range outputs { - totalOutput += btcutil.Amount(txOut.Value) - } - return totalOutput -} - -// SumOutputSerializeSizes sums up the serialized size of the supplied outputs. -func SumOutputSerializeSizes(outputs []*wire.TxOut) (serializeSize int) { - for _, txOut := range outputs { - serializeSize += txOut.SerializeSize() - } - return serializeSize -} diff --git a/wallet/txauthor/author.go b/wallet/txauthor/author.go index 467153c..18f996c 100644 --- a/wallet/txauthor/author.go +++ b/wallet/txauthor/author.go @@ -13,11 +13,17 @@ import ( "github.com/btcsuite/btcd/wire" "github.com/btcsuite/btcutil" "github.com/btcsuite/btcwallet/wallet/txrules" - - h "github.com/btcsuite/btcwallet/internal/helpers" - "github.com/btcsuite/btcwallet/wallet/internal/txsizes" + "github.com/btcsuite/btcwallet/wallet/txsizes" ) +// SumOutputValues sums up the list of TxOuts and returns an Amount. +func SumOutputValues(outputs []*wire.TxOut) (totalOutput btcutil.Amount) { + for _, txOut := range outputs { + totalOutput += btcutil.Amount(txOut.Value) + } + return totalOutput +} + // InputSource provides transaction inputs referencing spendable outputs to // construct a transaction outputting some target amount. If the target amount // can not be satisified, this can be signaled by returning a total amount less @@ -80,7 +86,7 @@ type ChangeSource func() ([]byte, error) func NewUnsignedTransaction(outputs []*wire.TxOut, relayFeePerKb btcutil.Amount, fetchInputs InputSource, fetchChange ChangeSource) (*AuthoredTx, error) { - targetAmount := h.SumOutputValues(outputs) + targetAmount := SumOutputValues(outputs) estimatedSize := txsizes.EstimateVirtualSize(0, 1, 0, outputs, true) targetFee := txrules.FeeForSerializeSize(relayFeePerKb, estimatedSize) diff --git a/wallet/txauthor/author_test.go b/wallet/txauthor/author_test.go index b4108ce..0217417 100644 --- a/wallet/txauthor/author_test.go +++ b/wallet/txauthor/author_test.go @@ -2,17 +2,15 @@ // Use of this source code is governed by an ISC // license that can be found in the LICENSE file. -package txauthor_test +package txauthor import ( "testing" "github.com/btcsuite/btcd/wire" "github.com/btcsuite/btcutil" - . "github.com/btcsuite/btcwallet/wallet/txauthor" "github.com/btcsuite/btcwallet/wallet/txrules" - - "github.com/btcsuite/btcwallet/wallet/internal/txsizes" + "github.com/btcsuite/btcwallet/wallet/txsizes" ) func p2pkhOutputs(amounts ...btcutil.Amount) []*wire.TxOut { diff --git a/wallet/txauthor/go.mod b/wallet/txauthor/go.mod new file mode 100644 index 0000000..f153014 --- /dev/null +++ b/wallet/txauthor/go.mod @@ -0,0 +1,14 @@ +module github.com/btcsuite/btcwallet/wallet/txauthor + +go 1.12 + +require ( + github.com/btcsuite/btcd v0.0.0-20190824003749-130ea5bddde3 + github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d + github.com/btcsuite/btcwallet/wallet/txrules v1.0.0 + github.com/btcsuite/btcwallet/wallet/txsizes v1.0.0 +) + +replace github.com/btcsuite/btcwallet/wallet/txrules => ../txrules + +replace github.com/btcsuite/btcwallet/wallet/txsizes => ../txsizes diff --git a/wallet/txauthor/go.sum b/wallet/txauthor/go.sum new file mode 100644 index 0000000..a96257f --- 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