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createtx.go
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createtx.go
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/*
* Copyright (c) 2016-2017 The Decred developers
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package main
import (
"github.com/decred/dcrd/dcrutil"
"github.com/decred/dcrd/txscript"
"github.com/decred/dcrd/wire"
)
// makeTx generates a transaction spending outputs to a single address.
func makeTx(inputs []*extendedOutPoint, addr dcrutil.Address, txFee int64) (*wire.MsgTx, error) {
mtx := wire.NewMsgTx()
allInAmts := int64(0)
for _, input := range inputs {
txIn := wire.NewTxIn(input.op, []byte{})
mtx.AddTxIn(txIn)
allInAmts += input.amt
}
pkScript, err := txscript.PayToAddrScript(addr)
if err != nil {
return nil, err
}
txOut := wire.NewTxOut(allInAmts-txFee, pkScript)
txOut.Version = txscript.DefaultScriptVersion
mtx.AddTxOut(txOut)
return mtx, nil
}