lbcwallet/internal/helpers/helpers.go

28 lines
876 B
Go

// 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
}