1021 lines
33 KiB
Go
1021 lines
33 KiB
Go
// Copyright (c) 2013-2016 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package wire
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import (
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"bytes"
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"fmt"
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"io"
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"reflect"
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"testing"
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"github.com/davecgh/go-spew/spew"
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"github.com/lbryio/lbcd/chaincfg/chainhash"
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)
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// TestTx tests the MsgTx API.
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func TestTx(t *testing.T) {
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pver := ProtocolVersion
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// Block 100000 hash.
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hashStr := "3ba27aa200b1cecaad478d2b00432346c3f1f3986da1afd33e506"
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hash, err := chainhash.NewHashFromStr(hashStr)
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if err != nil {
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t.Errorf("NewHashFromStr: %v", err)
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}
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// Ensure the command is expected value.
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wantCmd := "tx"
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msg := NewMsgTx(1)
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if cmd := msg.Command(); cmd != wantCmd {
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t.Errorf("NewMsgAddr: wrong command - got %v want %v",
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cmd, wantCmd)
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}
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// Ensure max payload is expected value for latest protocol version.
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wantPayload := uint32(1000 * 4000)
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maxPayload := msg.MaxPayloadLength(pver)
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if maxPayload != wantPayload {
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t.Errorf("MaxPayloadLength: wrong max payload length for "+
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"protocol version %d - got %v, want %v", pver,
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maxPayload, wantPayload)
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}
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// Ensure we get the same transaction output point data back out.
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// NOTE: This is a block hash and made up index, but we're only
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// testing package functionality.
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prevOutIndex := uint32(1)
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prevOut := NewOutPoint(hash, prevOutIndex)
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if !prevOut.Hash.IsEqual(hash) {
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t.Errorf("NewOutPoint: wrong hash - got %v, want %v",
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spew.Sprint(&prevOut.Hash), spew.Sprint(hash))
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}
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if prevOut.Index != prevOutIndex {
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t.Errorf("NewOutPoint: wrong index - got %v, want %v",
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prevOut.Index, prevOutIndex)
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}
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prevOutStr := fmt.Sprintf("%s:%d", hash.String(), prevOutIndex)
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if s := prevOut.String(); s != prevOutStr {
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t.Errorf("OutPoint.String: unexpected result - got %v, "+
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"want %v", s, prevOutStr)
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}
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// Ensure we get the same transaction input back out.
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sigScript := []byte{0x04, 0x31, 0xdc, 0x00, 0x1b, 0x01, 0x62}
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witnessData := [][]byte{
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{0x04, 0x31},
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{0x01, 0x43},
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}
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txIn := NewTxIn(prevOut, sigScript, witnessData)
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if !reflect.DeepEqual(&txIn.PreviousOutPoint, prevOut) {
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t.Errorf("NewTxIn: wrong prev outpoint - got %v, want %v",
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spew.Sprint(&txIn.PreviousOutPoint),
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spew.Sprint(prevOut))
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}
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if !bytes.Equal(txIn.SignatureScript, sigScript) {
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t.Errorf("NewTxIn: wrong signature script - got %v, want %v",
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spew.Sdump(txIn.SignatureScript),
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spew.Sdump(sigScript))
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}
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if !reflect.DeepEqual(txIn.Witness, TxWitness(witnessData)) {
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t.Errorf("NewTxIn: wrong witness data - got %v, want %v",
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spew.Sdump(txIn.Witness),
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spew.Sdump(witnessData))
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}
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// Ensure we get the same transaction output back out.
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txValue := int64(5000000000)
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pkScript := []byte{
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0x41, // OP_DATA_65
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0x04, 0xd6, 0x4b, 0xdf, 0xd0, 0x9e, 0xb1, 0xc5,
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0xfe, 0x29, 0x5a, 0xbd, 0xeb, 0x1d, 0xca, 0x42,
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0x81, 0xbe, 0x98, 0x8e, 0x2d, 0xa0, 0xb6, 0xc1,
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0xc6, 0xa5, 0x9d, 0xc2, 0x26, 0xc2, 0x86, 0x24,
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0xe1, 0x81, 0x75, 0xe8, 0x51, 0xc9, 0x6b, 0x97,
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0x3d, 0x81, 0xb0, 0x1c, 0xc3, 0x1f, 0x04, 0x78,
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0x34, 0xbc, 0x06, 0xd6, 0xd6, 0xed, 0xf6, 0x20,
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0xd1, 0x84, 0x24, 0x1a, 0x6a, 0xed, 0x8b, 0x63,
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0xa6, // 65-byte signature
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0xac, // OP_CHECKSIG
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}
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txOut := NewTxOut(txValue, pkScript)
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if txOut.Value != txValue {
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t.Errorf("NewTxOut: wrong pk script - got %v, want %v",
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txOut.Value, txValue)
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}
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if !bytes.Equal(txOut.PkScript, pkScript) {
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t.Errorf("NewTxOut: wrong pk script - got %v, want %v",
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spew.Sdump(txOut.PkScript),
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spew.Sdump(pkScript))
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}
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// Ensure transaction inputs are added properly.
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msg.AddTxIn(txIn)
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if !reflect.DeepEqual(msg.TxIn[0], txIn) {
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t.Errorf("AddTxIn: wrong transaction input added - got %v, want %v",
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spew.Sprint(msg.TxIn[0]), spew.Sprint(txIn))
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}
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// Ensure transaction outputs are added properly.
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msg.AddTxOut(txOut)
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if !reflect.DeepEqual(msg.TxOut[0], txOut) {
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t.Errorf("AddTxIn: wrong transaction output added - got %v, want %v",
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spew.Sprint(msg.TxOut[0]), spew.Sprint(txOut))
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}
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// Ensure the copy produced an identical transaction message.
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newMsg := msg.Copy()
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if !reflect.DeepEqual(newMsg, msg) {
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t.Errorf("Copy: mismatched tx messages - got %v, want %v",
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spew.Sdump(newMsg), spew.Sdump(msg))
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}
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}
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// TestTxHash tests the ability to generate the hash of a transaction accurately.
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func TestTxHash(t *testing.T) {
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// Hash of first transaction from block 113875.
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hashStr := "f051e59b5e2503ac626d03aaeac8ab7be2d72ba4b7e97119c5852d70d52dcb86"
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wantHash, err := chainhash.NewHashFromStr(hashStr)
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if err != nil {
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t.Errorf("NewHashFromStr: %v", err)
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return
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}
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// First transaction from block 113875.
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msgTx := NewMsgTx(1)
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txIn := TxIn{
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PreviousOutPoint: OutPoint{
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Hash: chainhash.Hash{},
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Index: 0xffffffff,
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},
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SignatureScript: []byte{0x04, 0x31, 0xdc, 0x00, 0x1b, 0x01, 0x62},
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Sequence: 0xffffffff,
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}
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txOut := TxOut{
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Value: 5000000000,
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PkScript: []byte{
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0x41, // OP_DATA_65
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0x04, 0xd6, 0x4b, 0xdf, 0xd0, 0x9e, 0xb1, 0xc5,
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0xfe, 0x29, 0x5a, 0xbd, 0xeb, 0x1d, 0xca, 0x42,
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0x81, 0xbe, 0x98, 0x8e, 0x2d, 0xa0, 0xb6, 0xc1,
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0xc6, 0xa5, 0x9d, 0xc2, 0x26, 0xc2, 0x86, 0x24,
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0xe1, 0x81, 0x75, 0xe8, 0x51, 0xc9, 0x6b, 0x97,
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0x3d, 0x81, 0xb0, 0x1c, 0xc3, 0x1f, 0x04, 0x78,
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0x34, 0xbc, 0x06, 0xd6, 0xd6, 0xed, 0xf6, 0x20,
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0xd1, 0x84, 0x24, 0x1a, 0x6a, 0xed, 0x8b, 0x63,
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0xa6, // 65-byte signature
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0xac, // OP_CHECKSIG
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},
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}
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msgTx.AddTxIn(&txIn)
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msgTx.AddTxOut(&txOut)
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msgTx.LockTime = 0
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// Ensure the hash produced is expected.
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txHash := msgTx.TxHash()
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if !txHash.IsEqual(wantHash) {
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t.Errorf("TxHash: wrong hash - got %v, want %v",
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spew.Sprint(txHash), spew.Sprint(wantHash))
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}
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}
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// TestTxSha tests the ability to generate the wtxid, and txid of a transaction
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// with witness inputs accurately.
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func TestWTxSha(t *testing.T) {
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hashStrTxid := "0f167d1385a84d1518cfee208b653fc9163b605ccf1b75347e2850b3e2eb19f3"
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wantHashTxid, err := chainhash.NewHashFromStr(hashStrTxid)
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if err != nil {
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t.Errorf("NewShaHashFromStr: %v", err)
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return
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}
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hashStrWTxid := "0858eab78e77b6b033da30f46699996396cf48fcf625a783c85a51403e175e74"
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wantHashWTxid, err := chainhash.NewHashFromStr(hashStrWTxid)
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if err != nil {
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t.Errorf("NewShaHashFromStr: %v", err)
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return
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}
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// From block 23157 in a past version of segnet.
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msgTx := NewMsgTx(1)
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txIn := TxIn{
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PreviousOutPoint: OutPoint{
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Hash: chainhash.Hash{
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0xa5, 0x33, 0x52, 0xd5, 0x13, 0x57, 0x66, 0xf0,
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0x30, 0x76, 0x59, 0x74, 0x18, 0x26, 0x3d, 0xa2,
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0xd9, 0xc9, 0x58, 0x31, 0x59, 0x68, 0xfe, 0xa8,
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0x23, 0x52, 0x94, 0x67, 0x48, 0x1f, 0xf9, 0xcd,
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},
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Index: 19,
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},
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Witness: [][]byte{
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{ // 70-byte signature
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0x30, 0x43, 0x02, 0x1f, 0x4d, 0x23, 0x81, 0xdc,
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0x97, 0xf1, 0x82, 0xab, 0xd8, 0x18, 0x5f, 0x51,
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0x75, 0x30, 0x18, 0x52, 0x32, 0x12, 0xf5, 0xdd,
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0xc0, 0x7c, 0xc4, 0xe6, 0x3a, 0x8d, 0xc0, 0x36,
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0x58, 0xda, 0x19, 0x02, 0x20, 0x60, 0x8b, 0x5c,
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0x4d, 0x92, 0xb8, 0x6b, 0x6d, 0xe7, 0xd7, 0x8e,
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0xf2, 0x3a, 0x2f, 0xa7, 0x35, 0xbc, 0xb5, 0x9b,
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0x91, 0x4a, 0x48, 0xb0, 0xe1, 0x87, 0xc5, 0xe7,
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0x56, 0x9a, 0x18, 0x19, 0x70, 0x01,
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},
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{ // 33-byte serialize pub key
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0x03, 0x07, 0xea, 0xd0, 0x84, 0x80, 0x7e, 0xb7,
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0x63, 0x46, 0xdf, 0x69, 0x77, 0x00, 0x0c, 0x89,
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0x39, 0x2f, 0x45, 0xc7, 0x64, 0x25, 0xb2, 0x61,
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0x81, 0xf5, 0x21, 0xd7, 0xf3, 0x70, 0x06, 0x6a,
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0x8f,
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},
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},
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Sequence: 0xffffffff,
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}
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txOut := TxOut{
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Value: 395019,
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PkScript: []byte{
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0x00, // Version 0 witness program
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0x14, // OP_DATA_20
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0x9d, 0xda, 0xc6, 0xf3, 0x9d, 0x51, 0xe0, 0x39,
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0x8e, 0x53, 0x2a, 0x22, 0xc4, 0x1b, 0xa1, 0x89,
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0x40, 0x6a, 0x85, 0x23, // 20-byte pub key hash
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},
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}
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msgTx.AddTxIn(&txIn)
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msgTx.AddTxOut(&txOut)
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msgTx.LockTime = 0
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// Ensure the correct txid, and wtxid is produced as expected.
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txid := msgTx.TxHash()
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if !txid.IsEqual(wantHashTxid) {
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t.Errorf("TxSha: wrong hash - got %v, want %v",
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spew.Sprint(txid), spew.Sprint(wantHashTxid))
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}
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wtxid := msgTx.WitnessHash()
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if !wtxid.IsEqual(wantHashWTxid) {
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t.Errorf("WTxSha: wrong hash - got %v, want %v",
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spew.Sprint(wtxid), spew.Sprint(wantHashWTxid))
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}
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}
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// TestTxWire tests the MsgTx wire encode and decode for various numbers
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// of transaction inputs and outputs and protocol versions.
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func TestTxWire(t *testing.T) {
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// Empty tx message.
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noTx := NewMsgTx(1)
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noTx.Version = 1
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noTxEncoded := []byte{
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0x01, 0x00, 0x00, 0x00, // Version
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0x00, // Varint for number of input transactions
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0x00, // Varint for number of output transactions
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0x00, 0x00, 0x00, 0x00, // Lock time
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}
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tests := []struct {
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in *MsgTx // Message to encode
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out *MsgTx // Expected decoded message
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buf []byte // Wire encoding
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pver uint32 // Protocol version for wire encoding
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enc MessageEncoding // Message encoding format
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}{
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// Latest protocol version with no transactions.
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{
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noTx,
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noTx, noTxEncoded,
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ProtocolVersion,
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BaseEncoding,
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},
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// Latest protocol version with multiple transactions.
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{
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multiTx,
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multiTx,
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multiTxEncoded,
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ProtocolVersion,
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BaseEncoding,
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},
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// Protocol version BIP0035Version with no transactions.
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{
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noTx,
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noTx,
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noTxEncoded,
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BIP0035Version,
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BaseEncoding,
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},
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// Protocol version BIP0035Version with multiple transactions.
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{
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multiTx,
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multiTx,
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multiTxEncoded,
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BIP0035Version,
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BaseEncoding,
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},
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// Protocol version BIP0031Version with no transactions.
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{
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noTx,
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noTx,
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noTxEncoded,
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BIP0031Version,
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BaseEncoding,
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},
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// Protocol version BIP0031Version with multiple transactions.
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{
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multiTx,
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multiTx,
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multiTxEncoded,
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BIP0031Version,
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BaseEncoding,
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},
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// Protocol version NetAddressTimeVersion with no transactions.
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{
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noTx,
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noTx,
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noTxEncoded,
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NetAddressTimeVersion,
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BaseEncoding,
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},
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// Protocol version NetAddressTimeVersion with multiple transactions.
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{
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multiTx,
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multiTx,
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multiTxEncoded,
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NetAddressTimeVersion,
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BaseEncoding,
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},
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// Protocol version MultipleAddressVersion with no transactions.
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{
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noTx,
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noTx,
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noTxEncoded,
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MultipleAddressVersion,
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BaseEncoding,
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},
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// Protocol version MultipleAddressVersion with multiple transactions.
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{
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multiTx,
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multiTx,
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multiTxEncoded,
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MultipleAddressVersion,
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BaseEncoding,
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},
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}
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t.Logf("Running %d tests", len(tests))
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for i, test := range tests {
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// Encode the message to wire format.
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var buf bytes.Buffer
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err := test.in.BtcEncode(&buf, test.pver, test.enc)
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if err != nil {
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t.Errorf("BtcEncode #%d error %v", i, err)
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continue
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}
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if !bytes.Equal(buf.Bytes(), test.buf) {
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t.Errorf("BtcEncode #%d\n got: %s want: %s", i,
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spew.Sdump(buf.Bytes()), spew.Sdump(test.buf))
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continue
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}
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// Decode the message from wire format.
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var msg MsgTx
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rbuf := bytes.NewReader(test.buf)
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err = msg.BtcDecode(rbuf, test.pver, test.enc)
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if err != nil {
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t.Errorf("BtcDecode #%d error %v", i, err)
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continue
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}
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if !reflect.DeepEqual(&msg, test.out) {
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t.Errorf("BtcDecode #%d\n got: %s want: %s", i,
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spew.Sdump(&msg), spew.Sdump(test.out))
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continue
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}
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}
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}
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// TestTxWireErrors performs negative tests against wire encode and decode
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// of MsgTx to confirm error paths work correctly.
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func TestTxWireErrors(t *testing.T) {
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// Use protocol version 60002 specifically here instead of the latest
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// because the test data is using bytes encoded with that protocol
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// version.
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pver := uint32(60002)
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tests := []struct {
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in *MsgTx // Value to encode
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buf []byte // Wire encoding
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pver uint32 // Protocol version for wire encoding
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enc MessageEncoding // Message encoding format
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max int // Max size of fixed buffer to induce errors
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writeErr error // Expected write error
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readErr error // Expected read error
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}{
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// Force error in version.
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{multiTx, multiTxEncoded, pver, BaseEncoding, 0, io.ErrShortWrite, io.EOF},
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// Force error in number of transaction inputs.
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{multiTx, multiTxEncoded, pver, BaseEncoding, 4, io.ErrShortWrite, io.EOF},
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// Force error in transaction input previous block hash.
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{multiTx, multiTxEncoded, pver, BaseEncoding, 5, io.ErrShortWrite, io.EOF},
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// Force error in transaction input previous block output index.
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{multiTx, multiTxEncoded, pver, BaseEncoding, 37, io.ErrShortWrite, io.EOF},
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// Force error in transaction input signature script length.
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{multiTx, multiTxEncoded, pver, BaseEncoding, 41, io.ErrShortWrite, io.EOF},
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// Force error in transaction input signature script.
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{multiTx, multiTxEncoded, pver, BaseEncoding, 42, io.ErrShortWrite, io.EOF},
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// Force error in transaction input sequence.
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{multiTx, multiTxEncoded, pver, BaseEncoding, 49, io.ErrShortWrite, io.EOF},
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// Force error in number of transaction outputs.
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{multiTx, multiTxEncoded, pver, BaseEncoding, 53, io.ErrShortWrite, io.EOF},
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// Force error in transaction output value.
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{multiTx, multiTxEncoded, pver, BaseEncoding, 54, io.ErrShortWrite, io.EOF},
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// Force error in transaction output pk script length.
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{multiTx, multiTxEncoded, pver, BaseEncoding, 62, io.ErrShortWrite, io.EOF},
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// Force error in transaction output pk script.
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{multiTx, multiTxEncoded, pver, BaseEncoding, 63, io.ErrShortWrite, io.EOF},
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// Force error in transaction output lock time.
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{multiTx, multiTxEncoded, pver, BaseEncoding, 206, io.ErrShortWrite, io.EOF},
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}
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t.Logf("Running %d tests", len(tests))
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for i, test := range tests {
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// Encode to wire format.
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w := newFixedWriter(test.max)
|
|
err := test.in.BtcEncode(w, test.pver, test.enc)
|
|
if err != test.writeErr {
|
|
t.Errorf("BtcEncode #%d wrong error got: %v, want: %v",
|
|
i, err, test.writeErr)
|
|
continue
|
|
}
|
|
|
|
// Decode from wire format.
|
|
var msg MsgTx
|
|
r := newFixedReader(test.max, test.buf)
|
|
err = msg.BtcDecode(r, test.pver, test.enc)
|
|
if err != test.readErr {
|
|
t.Errorf("BtcDecode #%d wrong error got: %v, want: %v",
|
|
i, err, test.readErr)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestTxSerialize tests MsgTx serialize and deserialize.
|
|
func TestTxSerialize(t *testing.T) {
|
|
noTx := NewMsgTx(1)
|
|
noTx.Version = 1
|
|
noTxEncoded := []byte{
|
|
0x01, 0x00, 0x00, 0x00, // Version
|
|
0x00, // Varint for number of input transactions
|
|
0x00, // Varint for number of output transactions
|
|
0x00, 0x00, 0x00, 0x00, // Lock time
|
|
}
|
|
|
|
tests := []struct {
|
|
in *MsgTx // Message to encode
|
|
out *MsgTx // Expected decoded message
|
|
buf []byte // Serialized data
|
|
pkScriptLocs []int // Expected output script locations
|
|
witness bool // Serialize using the witness encoding
|
|
}{
|
|
// No transactions.
|
|
{
|
|
noTx,
|
|
noTx,
|
|
noTxEncoded,
|
|
nil,
|
|
false,
|
|
},
|
|
|
|
// Multiple transactions.
|
|
{
|
|
multiTx,
|
|
multiTx,
|
|
multiTxEncoded,
|
|
multiTxPkScriptLocs,
|
|
false,
|
|
},
|
|
// Multiple outputs witness transaction.
|
|
{
|
|
multiWitnessTx,
|
|
multiWitnessTx,
|
|
multiWitnessTxEncoded,
|
|
multiWitnessTxPkScriptLocs,
|
|
true,
|
|
},
|
|
}
|
|
|
|
t.Logf("Running %d tests", len(tests))
|
|
for i, test := range tests {
|
|
// Serialize the transaction.
|
|
var buf bytes.Buffer
|
|
err := test.in.Serialize(&buf)
|
|
if err != nil {
|
|
t.Errorf("Serialize #%d error %v", i, err)
|
|
continue
|
|
}
|
|
if !bytes.Equal(buf.Bytes(), test.buf) {
|
|
t.Errorf("Serialize #%d\n got: %s want: %s", i,
|
|
spew.Sdump(buf.Bytes()), spew.Sdump(test.buf))
|
|
continue
|
|
}
|
|
|
|
// Deserialize the transaction.
|
|
var tx MsgTx
|
|
rbuf := bytes.NewReader(test.buf)
|
|
if test.witness {
|
|
err = tx.Deserialize(rbuf)
|
|
} else {
|
|
err = tx.DeserializeNoWitness(rbuf)
|
|
}
|
|
if err != nil {
|
|
t.Errorf("Deserialize #%d error %v", i, err)
|
|
continue
|
|
}
|
|
if !reflect.DeepEqual(&tx, test.out) {
|
|
t.Errorf("Deserialize #%d\n got: %s want: %s", i,
|
|
spew.Sdump(&tx), spew.Sdump(test.out))
|
|
continue
|
|
}
|
|
|
|
// Ensure the public key script locations are accurate.
|
|
pkScriptLocs := test.in.PkScriptLocs()
|
|
if !reflect.DeepEqual(pkScriptLocs, test.pkScriptLocs) {
|
|
t.Errorf("PkScriptLocs #%d\n got: %s want: %s", i,
|
|
spew.Sdump(pkScriptLocs),
|
|
spew.Sdump(test.pkScriptLocs))
|
|
continue
|
|
}
|
|
for j, loc := range pkScriptLocs {
|
|
wantPkScript := test.in.TxOut[j].PkScript
|
|
gotPkScript := test.buf[loc : loc+len(wantPkScript)]
|
|
if !bytes.Equal(gotPkScript, wantPkScript) {
|
|
t.Errorf("PkScriptLocs #%d:%d\n unexpected "+
|
|
"script got: %s want: %s", i, j,
|
|
spew.Sdump(gotPkScript),
|
|
spew.Sdump(wantPkScript))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestTxSerializeErrors performs negative tests against wire encode and decode
|
|
// of MsgTx to confirm error paths work correctly.
|
|
func TestTxSerializeErrors(t *testing.T) {
|
|
tests := []struct {
|
|
in *MsgTx // Value to encode
|
|
buf []byte // Serialized data
|
|
max int // Max size of fixed buffer to induce errors
|
|
writeErr error // Expected write error
|
|
readErr error // Expected read error
|
|
}{
|
|
// Force error in version.
|
|
{multiTx, multiTxEncoded, 0, io.ErrShortWrite, io.EOF},
|
|
// Force error in number of transaction inputs.
|
|
{multiTx, multiTxEncoded, 4, io.ErrShortWrite, io.EOF},
|
|
// Force error in transaction input previous block hash.
|
|
{multiTx, multiTxEncoded, 5, io.ErrShortWrite, io.EOF},
|
|
// Force error in transaction input previous block output index.
|
|
{multiTx, multiTxEncoded, 37, io.ErrShortWrite, io.EOF},
|
|
// Force error in transaction input signature script length.
|
|
{multiTx, multiTxEncoded, 41, io.ErrShortWrite, io.EOF},
|
|
// Force error in transaction input signature script.
|
|
{multiTx, multiTxEncoded, 42, io.ErrShortWrite, io.EOF},
|
|
// Force error in transaction input sequence.
|
|
{multiTx, multiTxEncoded, 49, io.ErrShortWrite, io.EOF},
|
|
// Force error in number of transaction outputs.
|
|
{multiTx, multiTxEncoded, 53, io.ErrShortWrite, io.EOF},
|
|
// Force error in transaction output value.
|
|
{multiTx, multiTxEncoded, 54, io.ErrShortWrite, io.EOF},
|
|
// Force error in transaction output pk script length.
|
|
{multiTx, multiTxEncoded, 62, io.ErrShortWrite, io.EOF},
|
|
// Force error in transaction output pk script.
|
|
{multiTx, multiTxEncoded, 63, io.ErrShortWrite, io.EOF},
|
|
// Force error in transaction output lock time.
|
|
{multiTx, multiTxEncoded, 206, io.ErrShortWrite, io.EOF},
|
|
}
|
|
|
|
t.Logf("Running %d tests", len(tests))
|
|
for i, test := range tests {
|
|
// Serialize the transaction.
|
|
w := newFixedWriter(test.max)
|
|
err := test.in.Serialize(w)
|
|
if err != test.writeErr {
|
|
t.Errorf("Serialize #%d wrong error got: %v, want: %v",
|
|
i, err, test.writeErr)
|
|
continue
|
|
}
|
|
|
|
// Deserialize the transaction.
|
|
var tx MsgTx
|
|
r := newFixedReader(test.max, test.buf)
|
|
err = tx.Deserialize(r)
|
|
if err != test.readErr {
|
|
t.Errorf("Deserialize #%d wrong error got: %v, want: %v",
|
|
i, err, test.readErr)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestTxOverflowErrors performs tests to ensure deserializing transactions
|
|
// which are intentionally crafted to use large values for the variable number
|
|
// of inputs and outputs are handled properly. This could otherwise potentially
|
|
// be used as an attack vector.
|
|
func TestTxOverflowErrors(t *testing.T) {
|
|
// Use protocol version 70001 and transaction version 1 specifically
|
|
// here instead of the latest values because the test data is using
|
|
// bytes encoded with those versions.
|
|
pver := uint32(70001)
|
|
txVer := uint32(1)
|
|
|
|
tests := []struct {
|
|
buf []byte // Wire encoding
|
|
pver uint32 // Protocol version for wire encoding
|
|
enc MessageEncoding // Message encoding format
|
|
version uint32 // Transaction version
|
|
err error // Expected error
|
|
}{
|
|
// Transaction that claims to have ~uint64(0) inputs.
|
|
{
|
|
[]byte{
|
|
0x00, 0x00, 0x00, 0x01, // Version
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
|
0xff, // Varint for number of input transactions
|
|
}, pver, BaseEncoding, txVer, &MessageError{},
|
|
},
|
|
|
|
// Transaction that claims to have ~uint64(0) outputs.
|
|
{
|
|
[]byte{
|
|
0x00, 0x00, 0x00, 0x01, // Version
|
|
0x00, // Varint for number of input transactions
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
|
0xff, // Varint for number of output transactions
|
|
}, pver, BaseEncoding, txVer, &MessageError{},
|
|
},
|
|
|
|
// Transaction that has an input with a signature script that
|
|
// claims to have ~uint64(0) length.
|
|
{
|
|
[]byte{
|
|
0x00, 0x00, 0x00, 0x01, // Version
|
|
0x01, // Varint for number of input transactions
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Previous output hash
|
|
0xff, 0xff, 0xff, 0xff, // Prevous output index
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
|
0xff, // Varint for length of signature script
|
|
}, pver, BaseEncoding, txVer, &MessageError{},
|
|
},
|
|
|
|
// Transaction that has an output with a public key script
|
|
// that claims to have ~uint64(0) length.
|
|
{
|
|
[]byte{
|
|
0x00, 0x00, 0x00, 0x01, // Version
|
|
0x01, // Varint for number of input transactions
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Previous output hash
|
|
0xff, 0xff, 0xff, 0xff, // Prevous output index
|
|
0x00, // Varint for length of signature script
|
|
0xff, 0xff, 0xff, 0xff, // Sequence
|
|
0x01, // Varint for number of output transactions
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Transaction amount
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
|
0xff, // Varint for length of public key script
|
|
}, pver, BaseEncoding, txVer, &MessageError{},
|
|
},
|
|
}
|
|
|
|
t.Logf("Running %d tests", len(tests))
|
|
for i, test := range tests {
|
|
// Decode from wire format.
|
|
var msg MsgTx
|
|
r := bytes.NewReader(test.buf)
|
|
err := msg.BtcDecode(r, test.pver, test.enc)
|
|
if reflect.TypeOf(err) != reflect.TypeOf(test.err) {
|
|
t.Errorf("BtcDecode #%d wrong error got: %v, want: %v",
|
|
i, err, reflect.TypeOf(test.err))
|
|
continue
|
|
}
|
|
|
|
// Decode from wire format.
|
|
r = bytes.NewReader(test.buf)
|
|
err = msg.Deserialize(r)
|
|
if reflect.TypeOf(err) != reflect.TypeOf(test.err) {
|
|
t.Errorf("Deserialize #%d wrong error got: %v, want: %v",
|
|
i, err, reflect.TypeOf(test.err))
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestTxSerializeSizeStripped performs tests to ensure the serialize size for
|
|
// various transactions is accurate.
|
|
func TestTxSerializeSizeStripped(t *testing.T) {
|
|
// Empty tx message.
|
|
noTx := NewMsgTx(1)
|
|
noTx.Version = 1
|
|
|
|
tests := []struct {
|
|
in *MsgTx // Tx to encode
|
|
size int // Expected serialized size
|
|
}{
|
|
// No inputs or outpus.
|
|
{noTx, 10},
|
|
|
|
// Transcaction with an input and an output.
|
|
{multiTx, 210},
|
|
|
|
// Transaction with an input which includes witness data, and
|
|
// one output. Note that this uses SerializeSizeStripped which
|
|
// excludes the additional bytes due to witness data encoding.
|
|
{multiWitnessTx, 82},
|
|
}
|
|
|
|
t.Logf("Running %d tests", len(tests))
|
|
for i, test := range tests {
|
|
serializedSize := test.in.SerializeSizeStripped()
|
|
if serializedSize != test.size {
|
|
t.Errorf("MsgTx.SerializeSizeStripped: #%d got: %d, want: %d", i,
|
|
serializedSize, test.size)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestTxWitnessSize performs tests to ensure that the serialized size for
|
|
// various types of transactions that include witness data is accurate.
|
|
func TestTxWitnessSize(t *testing.T) {
|
|
tests := []struct {
|
|
in *MsgTx // Tx to encode
|
|
size int // Expected serialized size w/ witnesses
|
|
}{
|
|
// Transaction with an input which includes witness data, and
|
|
// one output.
|
|
{multiWitnessTx, 190},
|
|
}
|
|
|
|
t.Logf("Running %d tests", len(tests))
|
|
for i, test := range tests {
|
|
serializedSize := test.in.SerializeSize()
|
|
if serializedSize != test.size {
|
|
t.Errorf("MsgTx.SerializeSize: #%d got: %d, want: %d", i,
|
|
serializedSize, test.size)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// multiTx is a MsgTx with an input and output and used in various tests.
|
|
var multiTx = &MsgTx{
|
|
Version: 1,
|
|
TxIn: []*TxIn{
|
|
{
|
|
PreviousOutPoint: OutPoint{
|
|
Hash: chainhash.Hash{},
|
|
Index: 0xffffffff,
|
|
},
|
|
SignatureScript: []byte{
|
|
0x04, 0x31, 0xdc, 0x00, 0x1b, 0x01, 0x62,
|
|
},
|
|
Sequence: 0xffffffff,
|
|
},
|
|
},
|
|
TxOut: []*TxOut{
|
|
{
|
|
Value: 0x12a05f200,
|
|
PkScript: []byte{
|
|
0x41, // OP_DATA_65
|
|
0x04, 0xd6, 0x4b, 0xdf, 0xd0, 0x9e, 0xb1, 0xc5,
|
|
0xfe, 0x29, 0x5a, 0xbd, 0xeb, 0x1d, 0xca, 0x42,
|
|
0x81, 0xbe, 0x98, 0x8e, 0x2d, 0xa0, 0xb6, 0xc1,
|
|
0xc6, 0xa5, 0x9d, 0xc2, 0x26, 0xc2, 0x86, 0x24,
|
|
0xe1, 0x81, 0x75, 0xe8, 0x51, 0xc9, 0x6b, 0x97,
|
|
0x3d, 0x81, 0xb0, 0x1c, 0xc3, 0x1f, 0x04, 0x78,
|
|
0x34, 0xbc, 0x06, 0xd6, 0xd6, 0xed, 0xf6, 0x20,
|
|
0xd1, 0x84, 0x24, 0x1a, 0x6a, 0xed, 0x8b, 0x63,
|
|
0xa6, // 65-byte signature
|
|
0xac, // OP_CHECKSIG
|
|
},
|
|
},
|
|
{
|
|
Value: 0x5f5e100,
|
|
PkScript: []byte{
|
|
0x41, // OP_DATA_65
|
|
0x04, 0xd6, 0x4b, 0xdf, 0xd0, 0x9e, 0xb1, 0xc5,
|
|
0xfe, 0x29, 0x5a, 0xbd, 0xeb, 0x1d, 0xca, 0x42,
|
|
0x81, 0xbe, 0x98, 0x8e, 0x2d, 0xa0, 0xb6, 0xc1,
|
|
0xc6, 0xa5, 0x9d, 0xc2, 0x26, 0xc2, 0x86, 0x24,
|
|
0xe1, 0x81, 0x75, 0xe8, 0x51, 0xc9, 0x6b, 0x97,
|
|
0x3d, 0x81, 0xb0, 0x1c, 0xc3, 0x1f, 0x04, 0x78,
|
|
0x34, 0xbc, 0x06, 0xd6, 0xd6, 0xed, 0xf6, 0x20,
|
|
0xd1, 0x84, 0x24, 0x1a, 0x6a, 0xed, 0x8b, 0x63,
|
|
0xa6, // 65-byte signature
|
|
0xac, // OP_CHECKSIG
|
|
},
|
|
},
|
|
},
|
|
LockTime: 0,
|
|
}
|
|
|
|
// multiTxEncoded is the wire encoded bytes for multiTx using protocol version
|
|
// 60002 and is used in the various tests.
|
|
var multiTxEncoded = []byte{
|
|
0x01, 0x00, 0x00, 0x00, // Version
|
|
0x01, // Varint for number of input transactions
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Previous output hash
|
|
0xff, 0xff, 0xff, 0xff, // Prevous output index
|
|
0x07, // Varint for length of signature script
|
|
0x04, 0x31, 0xdc, 0x00, 0x1b, 0x01, 0x62, // Signature script
|
|
0xff, 0xff, 0xff, 0xff, // Sequence
|
|
0x02, // Varint for number of output transactions
|
|
0x00, 0xf2, 0x05, 0x2a, 0x01, 0x00, 0x00, 0x00, // Transaction amount
|
|
0x43, // Varint for length of pk script
|
|
0x41, // OP_DATA_65
|
|
0x04, 0xd6, 0x4b, 0xdf, 0xd0, 0x9e, 0xb1, 0xc5,
|
|
0xfe, 0x29, 0x5a, 0xbd, 0xeb, 0x1d, 0xca, 0x42,
|
|
0x81, 0xbe, 0x98, 0x8e, 0x2d, 0xa0, 0xb6, 0xc1,
|
|
0xc6, 0xa5, 0x9d, 0xc2, 0x26, 0xc2, 0x86, 0x24,
|
|
0xe1, 0x81, 0x75, 0xe8, 0x51, 0xc9, 0x6b, 0x97,
|
|
0x3d, 0x81, 0xb0, 0x1c, 0xc3, 0x1f, 0x04, 0x78,
|
|
0x34, 0xbc, 0x06, 0xd6, 0xd6, 0xed, 0xf6, 0x20,
|
|
0xd1, 0x84, 0x24, 0x1a, 0x6a, 0xed, 0x8b, 0x63,
|
|
0xa6, // 65-byte signature
|
|
0xac, // OP_CHECKSIG
|
|
0x00, 0xe1, 0xf5, 0x05, 0x00, 0x00, 0x00, 0x00, // Transaction amount
|
|
0x43, // Varint for length of pk script
|
|
0x41, // OP_DATA_65
|
|
0x04, 0xd6, 0x4b, 0xdf, 0xd0, 0x9e, 0xb1, 0xc5,
|
|
0xfe, 0x29, 0x5a, 0xbd, 0xeb, 0x1d, 0xca, 0x42,
|
|
0x81, 0xbe, 0x98, 0x8e, 0x2d, 0xa0, 0xb6, 0xc1,
|
|
0xc6, 0xa5, 0x9d, 0xc2, 0x26, 0xc2, 0x86, 0x24,
|
|
0xe1, 0x81, 0x75, 0xe8, 0x51, 0xc9, 0x6b, 0x97,
|
|
0x3d, 0x81, 0xb0, 0x1c, 0xc3, 0x1f, 0x04, 0x78,
|
|
0x34, 0xbc, 0x06, 0xd6, 0xd6, 0xed, 0xf6, 0x20,
|
|
0xd1, 0x84, 0x24, 0x1a, 0x6a, 0xed, 0x8b, 0x63,
|
|
0xa6, // 65-byte signature
|
|
0xac, // OP_CHECKSIG
|
|
0x00, 0x00, 0x00, 0x00, // Lock time
|
|
}
|
|
|
|
// multiTxPkScriptLocs is the location information for the public key scripts
|
|
// located in multiTx.
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var multiTxPkScriptLocs = []int{63, 139}
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// multiWitnessTx is a MsgTx with an input with witness data, and an
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// output used in various tests.
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var multiWitnessTx = &MsgTx{
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Version: 1,
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TxIn: []*TxIn{
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{
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PreviousOutPoint: OutPoint{
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Hash: chainhash.Hash{
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0xa5, 0x33, 0x52, 0xd5, 0x13, 0x57, 0x66, 0xf0,
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0x30, 0x76, 0x59, 0x74, 0x18, 0x26, 0x3d, 0xa2,
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0xd9, 0xc9, 0x58, 0x31, 0x59, 0x68, 0xfe, 0xa8,
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0x23, 0x52, 0x94, 0x67, 0x48, 0x1f, 0xf9, 0xcd,
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},
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Index: 19,
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},
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SignatureScript: []byte{},
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Witness: [][]byte{
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{ // 70-byte signature
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0x30, 0x43, 0x02, 0x1f, 0x4d, 0x23, 0x81, 0xdc,
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0x97, 0xf1, 0x82, 0xab, 0xd8, 0x18, 0x5f, 0x51,
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0x75, 0x30, 0x18, 0x52, 0x32, 0x12, 0xf5, 0xdd,
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0xc0, 0x7c, 0xc4, 0xe6, 0x3a, 0x8d, 0xc0, 0x36,
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0x58, 0xda, 0x19, 0x02, 0x20, 0x60, 0x8b, 0x5c,
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0x4d, 0x92, 0xb8, 0x6b, 0x6d, 0xe7, 0xd7, 0x8e,
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0xf2, 0x3a, 0x2f, 0xa7, 0x35, 0xbc, 0xb5, 0x9b,
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0x91, 0x4a, 0x48, 0xb0, 0xe1, 0x87, 0xc5, 0xe7,
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0x56, 0x9a, 0x18, 0x19, 0x70, 0x01,
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},
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{ // 33-byte serialize pub key
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0x03, 0x07, 0xea, 0xd0, 0x84, 0x80, 0x7e, 0xb7,
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0x63, 0x46, 0xdf, 0x69, 0x77, 0x00, 0x0c, 0x89,
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0x39, 0x2f, 0x45, 0xc7, 0x64, 0x25, 0xb2, 0x61,
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0x81, 0xf5, 0x21, 0xd7, 0xf3, 0x70, 0x06, 0x6a,
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0x8f,
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},
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},
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Sequence: 0xffffffff,
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},
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},
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TxOut: []*TxOut{
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{
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Value: 395019,
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PkScript: []byte{ // p2wkh output
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0x00, // Version 0 witness program
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0x14, // OP_DATA_20
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0x9d, 0xda, 0xc6, 0xf3, 0x9d, 0x51, 0xe0, 0x39,
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0x8e, 0x53, 0x2a, 0x22, 0xc4, 0x1b, 0xa1, 0x89,
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0x40, 0x6a, 0x85, 0x23, // 20-byte pub key hash
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},
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},
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},
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}
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// multiWitnessTxEncoded is the wire encoded bytes for multiWitnessTx including inputs
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// with witness data using protocol version 70012 and is used in the various
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// tests.
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var multiWitnessTxEncoded = []byte{
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0x1, 0x0, 0x0, 0x0, // Version
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TxFlagMarker, // Marker byte indicating 0 inputs, or a segwit encoded tx
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WitnessFlag, // Flag byte
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0x1, // Varint for number of inputs
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0xa5, 0x33, 0x52, 0xd5, 0x13, 0x57, 0x66, 0xf0,
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0x30, 0x76, 0x59, 0x74, 0x18, 0x26, 0x3d, 0xa2,
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0xd9, 0xc9, 0x58, 0x31, 0x59, 0x68, 0xfe, 0xa8,
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0x23, 0x52, 0x94, 0x67, 0x48, 0x1f, 0xf9, 0xcd, // Previous output hash
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0x13, 0x0, 0x0, 0x0, // Little endian previous output index
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0x0, // No sig script (this is a witness input)
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0xff, 0xff, 0xff, 0xff, // Sequence
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0x1, // Varint for number of outputs
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0xb, 0x7, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, // Output amount
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0x16, // Varint for length of pk script
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0x0, // Version 0 witness program
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0x14, // OP_DATA_20
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0x9d, 0xda, 0xc6, 0xf3, 0x9d, 0x51, 0xe0, 0x39,
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0x8e, 0x53, 0x2a, 0x22, 0xc4, 0x1b, 0xa1, 0x89,
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0x40, 0x6a, 0x85, 0x23, // 20-byte pub key hash
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0x2, // Two items on the witness stack
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0x46, // 70 byte stack item
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0x30, 0x43, 0x2, 0x1f, 0x4d, 0x23, 0x81, 0xdc,
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0x97, 0xf1, 0x82, 0xab, 0xd8, 0x18, 0x5f, 0x51,
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0x75, 0x30, 0x18, 0x52, 0x32, 0x12, 0xf5, 0xdd,
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0xc0, 0x7c, 0xc4, 0xe6, 0x3a, 0x8d, 0xc0, 0x36,
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0x58, 0xda, 0x19, 0x2, 0x20, 0x60, 0x8b, 0x5c,
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0x4d, 0x92, 0xb8, 0x6b, 0x6d, 0xe7, 0xd7, 0x8e,
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0xf2, 0x3a, 0x2f, 0xa7, 0x35, 0xbc, 0xb5, 0x9b,
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0x91, 0x4a, 0x48, 0xb0, 0xe1, 0x87, 0xc5, 0xe7,
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0x56, 0x9a, 0x18, 0x19, 0x70, 0x1,
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0x21, // 33 byte stack item
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0x3, 0x7, 0xea, 0xd0, 0x84, 0x80, 0x7e, 0xb7,
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0x63, 0x46, 0xdf, 0x69, 0x77, 0x0, 0xc, 0x89,
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0x39, 0x2f, 0x45, 0xc7, 0x64, 0x25, 0xb2, 0x61,
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0x81, 0xf5, 0x21, 0xd7, 0xf3, 0x70, 0x6, 0x6a,
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0x8f,
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0x0, 0x0, 0x0, 0x0, // Lock time
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}
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// multiWitnessTxEncodedNonZeroFlag is an incorrect wire encoded bytes for
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// multiWitnessTx including inputs with witness data. Instead of the flag byte
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// being set to 0x01, the flag is 0x00, which should trigger a decoding error.
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var multiWitnessTxEncodedNonZeroFlag = []byte{
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0x1, 0x0, 0x0, 0x0, // Version
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TxFlagMarker, // Marker byte indicating 0 inputs, or a segwit encoded tx
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0x0, // Incorrect flag byte (should be 0x01)
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0x1, // Varint for number of inputs
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0xa5, 0x33, 0x52, 0xd5, 0x13, 0x57, 0x66, 0xf0,
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0x30, 0x76, 0x59, 0x74, 0x18, 0x26, 0x3d, 0xa2,
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0xd9, 0xc9, 0x58, 0x31, 0x59, 0x68, 0xfe, 0xa8,
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0x23, 0x52, 0x94, 0x67, 0x48, 0x1f, 0xf9, 0xcd, // Previous output hash
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0x13, 0x0, 0x0, 0x0, // Little endian previous output index
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0x0, // No sig script (this is a witness input)
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0xff, 0xff, 0xff, 0xff, // Sequence
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0x1, // Varint for number of outputs
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0xb, 0x7, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, // Output amount
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0x16, // Varint for length of pk script
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0x0, // Version 0 witness program
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0x14, // OP_DATA_20
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0x9d, 0xda, 0xc6, 0xf3, 0x9d, 0x51, 0xe0, 0x39,
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0x8e, 0x53, 0x2a, 0x22, 0xc4, 0x1b, 0xa1, 0x89,
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0x40, 0x6a, 0x85, 0x23, // 20-byte pub key hash
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0x2, // Two items on the witness stack
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0x46, // 70 byte stack item
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0x30, 0x43, 0x2, 0x1f, 0x4d, 0x23, 0x81, 0xdc,
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0x97, 0xf1, 0x82, 0xab, 0xd8, 0x18, 0x5f, 0x51,
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0x75, 0x30, 0x18, 0x52, 0x32, 0x12, 0xf5, 0xdd,
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0xc0, 0x7c, 0xc4, 0xe6, 0x3a, 0x8d, 0xc0, 0x36,
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0x58, 0xda, 0x19, 0x2, 0x20, 0x60, 0x8b, 0x5c,
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0x4d, 0x92, 0xb8, 0x6b, 0x6d, 0xe7, 0xd7, 0x8e,
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0xf2, 0x3a, 0x2f, 0xa7, 0x35, 0xbc, 0xb5, 0x9b,
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0x91, 0x4a, 0x48, 0xb0, 0xe1, 0x87, 0xc5, 0xe7,
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0x56, 0x9a, 0x18, 0x19, 0x70, 0x1,
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0x21, // 33 byte stack item
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0x3, 0x7, 0xea, 0xd0, 0x84, 0x80, 0x7e, 0xb7,
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0x63, 0x46, 0xdf, 0x69, 0x77, 0x0, 0xc, 0x89,
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0x39, 0x2f, 0x45, 0xc7, 0x64, 0x25, 0xb2, 0x61,
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0x81, 0xf5, 0x21, 0xd7, 0xf3, 0x70, 0x6, 0x6a,
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0x8f,
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0x0, 0x0, 0x0, 0x0, // Lock time
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}
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// multiTxPkScriptLocs is the location information for the public key scripts
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// located in multiWitnessTx.
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var multiWitnessTxPkScriptLocs = []int{58}
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