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lbcd/script_test.go
David Hill 971fbf8b28 gofmt
2014-02-04 16:18:37 -05:00

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// Copyright (c) 2013-2014 Conformal Systems LLC.
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package btcscript_test
import (
"bytes"
"crypto/ecdsa"
"github.com/conformal/btcec"
"github.com/conformal/btcscript"
"github.com/conformal/btcutil"
"github.com/conformal/btcwire"
"math/big"
"testing"
)
type txTest struct {
name string
tx *btcwire.MsgTx
pkScript []byte // output script of previous tx
idx int // tx idx to be run.
bip16 bool // is bip16 active?
canonicalSigs bool // should signatures be validated as canonical?
parseErr error // failure of NewScript
err error // Failure of Executre
shouldFail bool // Execute should fail with nonspecified error.
nSigOps int // result of GetPreciseSigOpsCount
scriptInfo btcscript.ScriptInfo // result of ScriptInfo
scriptInfoErr error // error return of ScriptInfo
}
var txTests = []txTest{
// tx 0437cd7f8525ceed2324359c2d0ba26006d92d85. the first tx in the
// blockchain that verifies signatures.
{
name: "CheckSig",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0xc9, 0x97, 0xa5, 0xe5,
0x6e, 0x10, 0x41, 0x02,
0xfa, 0x20, 0x9c, 0x6a,
0x85, 0x2d, 0xd9, 0x06,
0x60, 0xa2, 0x0b, 0x2d,
0x9c, 0x35, 0x24, 0x23,
0xed, 0xce, 0x25, 0x85,
0x7f, 0xcd, 0x37, 0x04,
}),
Index: 0,
},
SignatureScript: []uint8{
btcscript.OP_DATA_71,
0x30, 0x44, 0x02, 0x20, 0x4e,
0x45, 0xe1, 0x69, 0x32, 0xb8,
0xaf, 0x51, 0x49, 0x61, 0xa1,
0xd3, 0xa1, 0xa2, 0x5f, 0xdf,
0x3f, 0x4f, 0x77, 0x32, 0xe9,
0xd6, 0x24, 0xc6, 0xc6, 0x15,
0x48, 0xab, 0x5f, 0xb8, 0xcd,
0x41, 0x02, 0x20, 0x18, 0x15,
0x22, 0xec, 0x8e, 0xca, 0x07,
0xde, 0x48, 0x60, 0xa4, 0xac,
0xdd, 0x12, 0x90, 0x9d, 0x83,
0x1c, 0xc5, 0x6c, 0xbb, 0xac,
0x46, 0x22, 0x08, 0x22, 0x21,
0xa8, 0x76, 0x8d, 0x1d, 0x09,
0x01,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 1000000000,
PkScript: []byte{
btcscript.OP_DATA_65,
0x04, 0xae, 0x1a, 0x62, 0xfe,
0x09, 0xc5, 0xf5, 0x1b, 0x13,
0x90, 0x5f, 0x07, 0xf0, 0x6b,
0x99, 0xa2, 0xf7, 0x15, 0x9b,
0x22, 0x25, 0xf3, 0x74, 0xcd,
0x37, 0x8d, 0x71, 0x30, 0x2f,
0xa2, 0x84, 0x14, 0xe7, 0xaa,
0xb3, 0x73, 0x97, 0xf5, 0x54,
0xa7, 0xdf, 0x5f, 0x14, 0x2c,
0x21, 0xc1, 0xb7, 0x30, 0x3b,
0x8a, 0x06, 0x26, 0xf1, 0xba,
0xde, 0xd5, 0xc7, 0x2a, 0x70,
0x4f, 0x7e, 0x6c, 0xd8, 0x4c,
btcscript.OP_CHECKSIG,
},
},
{
Value: 4000000000,
PkScript: []byte{
btcscript.OP_DATA_65,
0x04, 0x11, 0xdb, 0x93, 0xe1,
0xdc, 0xdb, 0x8a, 0x01, 0x6b,
0x49, 0x84, 0x0f, 0x8c, 0x53,
0xbc, 0x1e, 0xb6, 0x8a, 0x38,
0x2e, 0x97, 0xb1, 0x48, 0x2e,
0xca, 0xd7, 0xb1, 0x48, 0xa6,
0x90, 0x9a, 0x5c, 0xb2, 0xe0,
0xea, 0xdd, 0xfb, 0x84, 0xcc,
0xf9, 0x74, 0x44, 0x64, 0xf8,
0x2e, 0x16, 0x0b, 0xfa, 0x9b,
0x8b, 0x64, 0xf9, 0xd4, 0xc0,
0x3f, 0x99, 0x9b, 0x86, 0x43,
0xf6, 0x56, 0xb4, 0x12, 0xa3,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
pkScript: []byte{
btcscript.OP_DATA_65,
0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01,
0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6,
0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca, 0xd7,
0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xb2, 0xe0, 0xea,
0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64, 0xf8,
0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9, 0xd4,
0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56, 0xb4,
0x12, 0xa3, btcscript.OP_CHECKSIG,
},
idx: 0,
nSigOps: 1,
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.PubKeyTy,
NumInputs: 1,
ExpectedInputs: 1,
SigOps: 1,
},
},
// Previous test with the value of one output changed.
{
name: "CheckSig Failure",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0xc9, 0x97, 0xa5, 0xe5,
0x6e, 0x10, 0x41, 0x02,
0xfa, 0x20, 0x9c, 0x6a,
0x85, 0x2d, 0xd9, 0x06,
0x60, 0xa2, 0x0b, 0x2d,
0x9c, 0x35, 0x24, 0x23,
0xed, 0xce, 0x25, 0x85,
0x7f, 0xcd, 0x37, 0x04,
}),
Index: 0,
},
SignatureScript: []uint8{
btcscript.OP_DATA_71,
0x30, 0x44, 0x02, 0x20, 0x4e,
0x45, 0xe1, 0x69, 0x32, 0xb8,
0xaf, 0x51, 0x49, 0x61, 0xa1,
0xd3, 0xa1, 0xa2, 0x5f, 0xdf,
0x3f, 0x4f, 0x77, 0x32, 0xe9,
0xd6, 0x24, 0xc6, 0xc6, 0x15,
0x48, 0xab, 0x5f, 0xb8, 0xcd,
0x41, 0x02, 0x20, 0x18, 0x15,
0x22, 0xec, 0x8e, 0xca, 0x07,
0xde, 0x48, 0x60, 0xa4, 0xac,
0xdd, 0x12, 0x90, 0x9d, 0x83,
0x1c, 0xc5, 0x6c, 0xbb, 0xac,
0x46, 0x22, 0x08, 0x22, 0x21,
0xa8, 0x76, 0x8d, 0x1d, 0x09,
0x01,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 1000000000,
PkScript: []byte{
btcscript.OP_DATA_65,
0x04, 0xae, 0x1a, 0x62, 0xfe,
0x09, 0xc5, 0xf5, 0x1b, 0x13,
0x90, 0x5f, 0x07, 0xf0, 0x6b,
0x99, 0xa2, 0xf7, 0x15, 0x9b,
0x22, 0x25, 0xf3, 0x74, 0xcd,
0x37, 0x8d, 0x71, 0x30, 0x2f,
0xa2, 0x84, 0x14, 0xe7, 0xaa,
0xb3, 0x73, 0x97, 0xf5, 0x54,
0xa7, 0xdf, 0x5f, 0x14, 0x2c,
0x21, 0xc1, 0xb7, 0x30, 0x3b,
0x8a, 0x06, 0x26, 0xf1, 0xba,
0xde, 0xd5, 0xc7, 0x2a, 0x70,
0x4f, 0x7e, 0x6c, 0xd8, 0x4c,
btcscript.OP_CHECKSIG,
},
},
{
Value: 5000000000,
PkScript: []byte{
btcscript.OP_DATA_65,
0x04, 0x11, 0xdb, 0x93, 0xe1,
0xdc, 0xdb, 0x8a, 0x01, 0x6b,
0x49, 0x84, 0x0f, 0x8c, 0x53,
0xbc, 0x1e, 0xb6, 0x8a, 0x38,
0x2e, 0x97, 0xb1, 0x48, 0x2e,
0xca, 0xd7, 0xb1, 0x48, 0xa6,
0x90, 0x9a, 0x5c, 0xb2, 0xe0,
0xea, 0xdd, 0xfb, 0x84, 0xcc,
0xf9, 0x74, 0x44, 0x64, 0xf8,
0x2e, 0x16, 0x0b, 0xfa, 0x9b,
0x8b, 0x64, 0xf9, 0xd4, 0xc0,
0x3f, 0x99, 0x9b, 0x86, 0x43,
0xf6, 0x56, 0xb4, 0x12, 0xa3,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
pkScript: []byte{
btcscript.OP_DATA_65,
0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01,
0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6,
0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca, 0xd7,
0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xb2, 0xe0, 0xea,
0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64, 0xf8,
0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9, 0xd4,
0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56, 0xb4,
0x12, 0xa3, btcscript.OP_CHECKSIG,
},
idx: 0,
err: btcscript.StackErrScriptFailed,
nSigOps: 1,
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.PubKeyTy,
NumInputs: 1,
ExpectedInputs: 1,
SigOps: 1,
},
},
{
name: "CheckSig invalid signature",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0xc9, 0x97, 0xa5, 0xe5,
0x6e, 0x10, 0x41, 0x02,
0xfa, 0x20, 0x9c, 0x6a,
0x85, 0x2d, 0xd9, 0x06,
0x60, 0xa2, 0x0b, 0x2d,
0x9c, 0x35, 0x24, 0x23,
0xed, 0xce, 0x25, 0x85,
0x7f, 0xcd, 0x37, 0x04,
}),
Index: 0,
},
// Signature has length fiddled to
// fail parsing.
SignatureScript: []uint8{
btcscript.OP_DATA_71,
0x30, 0x45, 0x02, 0x20, 0x4e,
0x45, 0xe1, 0x69, 0x32, 0xb8,
0xaf, 0x51, 0x49, 0x61, 0xa1,
0xd3, 0xa1, 0xa2, 0x5f, 0xdf,
0x3f, 0x4f, 0x77, 0x32, 0xe9,
0xd6, 0x24, 0xc6, 0xc6, 0x15,
0x48, 0xab, 0x5f, 0xb8, 0xcd,
0x41, 0x02, 0x20, 0x18, 0x15,
0x22, 0xec, 0x8e, 0xca, 0x07,
0xde, 0x48, 0x60, 0xa4, 0xac,
0xdd, 0x12, 0x90, 0x9d, 0x83,
0x1c, 0xc5, 0x6c, 0xbb, 0xac,
0x46, 0x22, 0x08, 0x22, 0x21,
0xa8, 0x76, 0x8d, 0x1d, 0x09,
0x01,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 1000000000,
PkScript: []byte{
btcscript.OP_DATA_65,
0x04, 0xae, 0x1a, 0x62, 0xfe,
0x09, 0xc5, 0xf5, 0x1b, 0x13,
0x90, 0x5f, 0x07, 0xf0, 0x6b,
0x99, 0xa2, 0xf7, 0x15, 0x9b,
0x22, 0x25, 0xf3, 0x74, 0xcd,
0x37, 0x8d, 0x71, 0x30, 0x2f,
0xa2, 0x84, 0x14, 0xe7, 0xaa,
0xb3, 0x73, 0x97, 0xf5, 0x54,
0xa7, 0xdf, 0x5f, 0x14, 0x2c,
0x21, 0xc1, 0xb7, 0x30, 0x3b,
0x8a, 0x06, 0x26, 0xf1, 0xba,
0xde, 0xd5, 0xc7, 0x2a, 0x70,
0x4f, 0x7e, 0x6c, 0xd8, 0x4c,
btcscript.OP_CHECKSIG,
},
},
{
Value: 4000000000,
PkScript: []byte{
btcscript.OP_DATA_65,
0x04, 0x11, 0xdb, 0x93, 0xe1,
0xdc, 0xdb, 0x8a, 0x01, 0x6b,
0x49, 0x84, 0x0f, 0x8c, 0x53,
0xbc, 0x1e, 0xb6, 0x8a, 0x38,
0x2e, 0x97, 0xb1, 0x48, 0x2e,
0xca, 0xd7, 0xb1, 0x48, 0xa6,
0x90, 0x9a, 0x5c, 0xb2, 0xe0,
0xea, 0xdd, 0xfb, 0x84, 0xcc,
0xf9, 0x74, 0x44, 0x64, 0xf8,
0x2e, 0x16, 0x0b, 0xfa, 0x9b,
0x8b, 0x64, 0xf9, 0xd4, 0xc0,
0x3f, 0x99, 0x9b, 0x86, 0x43,
0xf6, 0x56, 0xb4, 0x12, 0xa3,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
pkScript: []byte{
btcscript.OP_DATA_65,
0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01,
0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6,
0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca, 0xd7,
0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xb2, 0xe0, 0xea,
0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64, 0xf8,
0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9, 0xd4,
0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56, 0xb4,
0x12, 0xa3, btcscript.OP_CHECKSIG,
},
idx: 0,
shouldFail: true,
nSigOps: 1,
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.PubKeyTy,
NumInputs: 1,
ExpectedInputs: 1,
SigOps: 1,
},
},
{
name: "CheckSig invalid pubkey",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0xc9, 0x97, 0xa5, 0xe5,
0x6e, 0x10, 0x41, 0x02,
0xfa, 0x20, 0x9c, 0x6a,
0x85, 0x2d, 0xd9, 0x06,
0x60, 0xa2, 0x0b, 0x2d,
0x9c, 0x35, 0x24, 0x23,
0xed, 0xce, 0x25, 0x85,
0x7f, 0xcd, 0x37, 0x04,
}),
Index: 0,
},
SignatureScript: []uint8{
btcscript.OP_DATA_71,
0x30, 0x44, 0x02, 0x20, 0x4e,
0x45, 0xe1, 0x69, 0x32, 0xb8,
0xaf, 0x51, 0x49, 0x61, 0xa1,
0xd3, 0xa1, 0xa2, 0x5f, 0xdf,
0x3f, 0x4f, 0x77, 0x32, 0xe9,
0xd6, 0x24, 0xc6, 0xc6, 0x15,
0x48, 0xab, 0x5f, 0xb8, 0xcd,
0x41, 0x02, 0x20, 0x18, 0x15,
0x22, 0xec, 0x8e, 0xca, 0x07,
0xde, 0x48, 0x60, 0xa4, 0xac,
0xdd, 0x12, 0x90, 0x9d, 0x83,
0x1c, 0xc5, 0x6c, 0xbb, 0xac,
0x46, 0x22, 0x08, 0x22, 0x21,
0xa8, 0x76, 0x8d, 0x1d, 0x09,
0x01,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 1000000000,
PkScript: []byte{
btcscript.OP_DATA_65,
0x04, 0xae, 0x1a, 0x62, 0xfe,
0x09, 0xc5, 0xf5, 0x1b, 0x13,
0x90, 0x5f, 0x07, 0xf0, 0x6b,
0x99, 0xa2, 0xf7, 0x15, 0x9b,
0x22, 0x25, 0xf3, 0x74, 0xcd,
0x37, 0x8d, 0x71, 0x30, 0x2f,
0xa2, 0x84, 0x14, 0xe7, 0xaa,
0xb3, 0x73, 0x97, 0xf5, 0x54,
0xa7, 0xdf, 0x5f, 0x14, 0x2c,
0x21, 0xc1, 0xb7, 0x30, 0x3b,
0x8a, 0x06, 0x26, 0xf1, 0xba,
0xde, 0xd5, 0xc7, 0x2a, 0x70,
0x4f, 0x7e, 0x6c, 0xd8, 0x4c,
btcscript.OP_CHECKSIG,
},
},
{
Value: 4000000000,
PkScript: []byte{
btcscript.OP_DATA_65,
0x04, 0x11, 0xdb, 0x93, 0xe1,
0xdc, 0xdb, 0x8a, 0x01, 0x6b,
0x49, 0x84, 0x0f, 0x8c, 0x53,
0xbc, 0x1e, 0xb6, 0x8a, 0x38,
0x2e, 0x97, 0xb1, 0x48, 0x2e,
0xca, 0xd7, 0xb1, 0x48, 0xa6,
0x90, 0x9a, 0x5c, 0xb2, 0xe0,
0xea, 0xdd, 0xfb, 0x84, 0xcc,
0xf9, 0x74, 0x44, 0x64, 0xf8,
0x2e, 0x16, 0x0b, 0xfa, 0x9b,
0x8b, 0x64, 0xf9, 0xd4, 0xc0,
0x3f, 0x99, 0x9b, 0x86, 0x43,
0xf6, 0x56, 0xb4, 0x12, 0xa3,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
// pubkey header magic byte has been changed to parse wrong.
pkScript: []byte{
btcscript.OP_DATA_65,
0x02, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01,
0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6,
0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca, 0xd7,
0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xb2, 0xe0, 0xea,
0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64, 0xf8,
0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9, 0xd4,
0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56, 0xb4,
0x12, 0xa3, btcscript.OP_CHECKSIG,
},
idx: 0,
shouldFail: true,
nSigOps: 1,
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.PubKeyTy,
NumInputs: 1,
ExpectedInputs: 1,
SigOps: 1,
},
},
// tx 599e47a8114fe098103663029548811d2651991b62397e057f0c863c2bc9f9ea
// uses checksig with SigHashNone.
{
name: "CheckSigHashNone",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0x5f, 0x38, 0x6c, 0x8a,
0x38, 0x42, 0xc9, 0xa9,
0xdc, 0xfa, 0x9b, 0x78,
0xbe, 0x78, 0x5a, 0x40,
0xa7, 0xbd, 0xa0, 0x8b,
0x64, 0x64, 0x6b, 0xe3,
0x65, 0x43, 0x01, 0xea,
0xcc, 0xfc, 0x8d, 0x5e,
}),
Index: 1,
},
SignatureScript: []byte{
btcscript.OP_DATA_71,
0x30, 0x44, 0x02, 0x20, 0xbb,
0x4f, 0xbc, 0x49, 0x5a, 0xa2,
0x3b, 0xab, 0xb2, 0xc2, 0xbe,
0x4e, 0x3f, 0xb4, 0xa5, 0xdf,
0xfe, 0xfe, 0x20, 0xc8, 0xef,
0xf5, 0x94, 0x0f, 0x13, 0x56,
0x49, 0xc3, 0xea, 0x96, 0x44,
0x4a, 0x02, 0x20, 0x04, 0xaf,
0xcd, 0xa9, 0x66, 0xc8, 0x07,
0xbb, 0x97, 0x62, 0x2d, 0x3e,
0xef, 0xea, 0x82, 0x8f, 0x62,
0x3a, 0xf3, 0x06, 0xef, 0x2b,
0x75, 0x67, 0x82, 0xee, 0x6f,
0x8a, 0x22, 0xa9, 0x59, 0xa2,
0x02,
btcscript.OP_DATA_65,
0x04, 0xf1, 0x93, 0x9a, 0xe6,
0xb0, 0x1e, 0x84, 0x9b, 0xf0,
0x5d, 0x0e, 0xd5, 0x1f, 0xd5,
0xb9, 0x2b, 0x79, 0xa0, 0xe3,
0x13, 0xe3, 0xf3, 0x89, 0xc7,
0x26, 0xf1, 0x1f, 0xa3, 0xe1,
0x44, 0xd9, 0x22, 0x7b, 0x07,
0xe8, 0xa8, 0x7c, 0x0e, 0xe3,
0x63, 0x72, 0xe9, 0x67, 0xe0,
0x90, 0xd1, 0x1b, 0x77, 0x77,
0x07, 0xaa, 0x73, 0xef, 0xac,
0xab, 0xff, 0xff, 0xa2, 0x85,
0xc0, 0x0b, 0x36, 0x22, 0xd6,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 1000000,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x66, 0x0d, 0x4e, 0xf3, 0xa7,
0x43, 0xe3, 0xe6, 0x96, 0xad,
0x99, 0x03, 0x64, 0xe5, 0x55,
0xc2, 0x71, 0xad, 0x50, 0x4b,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
{
Value: 29913632,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x21, 0xc4, 0x3c, 0xe4, 0x00,
0x90, 0x13, 0x12, 0xa6, 0x03,
0xe4, 0x20, 0x7a, 0xad, 0xfd,
0x74, 0x2b, 0xe8, 0xe7, 0xda,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
pkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x21, 0xc4, 0x3c, 0xe4, 0x00, 0x90, 0x13, 0x12, 0xa6,
0x03, 0xe4, 0x20, 0x7a, 0xad, 0xfd, 0x74, 0x2b, 0xe8,
0xe7, 0xda,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
idx: 0,
bip16: true, // after threshold
nSigOps: 1,
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.PubKeyHashTy,
NumInputs: 2,
ExpectedInputs: 2,
SigOps: 1,
},
},
{
name: "Non-canonical signature: R value negative",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0xfe, 0x15, 0x62, 0xc4,
0x8b, 0x3a, 0xa6, 0x37,
0x3f, 0x42, 0xe9, 0x61,
0x51, 0x89, 0xcf, 0x73,
0x32, 0xd7, 0x33, 0x5c,
0xbe, 0xa7, 0x80, 0xbe,
0x69, 0x6a, 0xc6, 0xc6,
0x50, 0xfd, 0xda, 0x4a,
}),
Index: 1,
},
SignatureScript: []byte{
btcscript.OP_DATA_71,
0x30, 0x44, 0x02, 0x20, 0xa0,
0x42, 0xde, 0xe5, 0x52, 0x6b,
0xf2, 0x29, 0x4d, 0x3f, 0x3e,
0xb9, 0x5a, 0xa7, 0x73, 0x19,
0xd3, 0xff, 0x56, 0x7b, 0xcf,
0x36, 0x46, 0x07, 0x0c, 0x81,
0x12, 0x33, 0x01, 0xca, 0xce,
0xa9, 0x02, 0x20, 0xea, 0x48,
0xae, 0x58, 0xf5, 0x54, 0x10,
0x96, 0x3f, 0xa7, 0x03, 0xdb,
0x56, 0xf0, 0xba, 0xb2, 0x70,
0xb1, 0x08, 0x22, 0xc5, 0x1c,
0x68, 0x02, 0x6a, 0x97, 0x5c,
0x7d, 0xae, 0x11, 0x2e, 0x4f,
0x01,
btcscript.OP_DATA_65,
0x04, 0x49, 0x45, 0x33, 0x18,
0xbd, 0x5e, 0xcf, 0xea, 0x5f,
0x86, 0x32, 0x8c, 0x6d, 0x8e,
0xd4, 0x12, 0xb4, 0xde, 0x2c,
0xab, 0xd7, 0xb8, 0x56, 0x51,
0x2f, 0x8c, 0xb7, 0xfd, 0x25,
0xf6, 0x03, 0xb0, 0x55, 0xc5,
0xdf, 0xe6, 0x22, 0x4b, 0xc4,
0xfd, 0xbb, 0x6a, 0x7a, 0xa0,
0x58, 0xd7, 0x5d, 0xad, 0x92,
0x99, 0x45, 0x4f, 0x62, 0x1a,
0x95, 0xb4, 0xb0, 0x21, 0x0e,
0xc4, 0x09, 0x2b, 0xe5, 0x27,
},
Sequence: 4294967295,
},
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0x2a, 0xc7, 0xee, 0xf8,
0xa9, 0x62, 0x2d, 0xda,
0xec, 0x18, 0x3b, 0xba,
0xa9, 0x92, 0xb0, 0x7a,
0x70, 0x3b, 0x48, 0x86,
0x27, 0x9c, 0x46, 0xac,
0x25, 0xeb, 0x91, 0xec,
0x4c, 0x86, 0xd2, 0x9c,
}),
Index: 1,
},
SignatureScript: []byte{
btcscript.OP_DATA_71,
0x30, 0x44, 0x02, 0x20, 0xc3,
0x02, 0x3b, 0xed, 0x85, 0x0d,
0x94, 0x27, 0x8e, 0x06, 0xd2,
0x37, 0x92, 0x21, 0x55, 0x28,
0xdd, 0xdb, 0x63, 0xa4, 0xb6,
0x88, 0x33, 0x92, 0x06, 0xdd,
0xf9, 0xee, 0x72, 0x97, 0xa3,
0x08, 0x02, 0x20, 0x25, 0x00,
0x42, 0x8b, 0x26, 0x36, 0x45,
0x54, 0xcb, 0x11, 0xd3, 0x3e,
0x85, 0x35, 0x23, 0x49, 0x65,
0x82, 0x8e, 0x33, 0x6e, 0x1a,
0x4a, 0x72, 0x73, 0xeb, 0x5b,
0x8d, 0x1d, 0xd7, 0x02, 0xcc,
0x01,
btcscript.OP_DATA_65,
0x04, 0x49, 0x5c, 0x8f, 0x66,
0x90, 0x0d, 0xb7, 0x62, 0x69,
0x0b, 0x54, 0x49, 0xa1, 0xf4,
0xe7, 0xc2, 0xed, 0x1f, 0x4b,
0x34, 0x70, 0xfd, 0x42, 0x79,
0x68, 0xa1, 0x31, 0x76, 0x0c,
0x25, 0xf9, 0x12, 0x63, 0xad,
0x51, 0x73, 0x8e, 0x19, 0xb6,
0x07, 0xf5, 0xcf, 0x5f, 0x94,
0x27, 0x4a, 0x8b, 0xbc, 0x74,
0xba, 0x4b, 0x56, 0x0c, 0xe0,
0xb3, 0x08, 0x8f, 0x7f, 0x5c,
0x5f, 0xcf, 0xd6, 0xa0, 0x4b,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 630320000,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x43, 0xdc, 0x32, 0x1b, 0x66,
0x00, 0x51, 0x1f, 0xe0, 0xa9,
0x6a, 0x97, 0xc2, 0x59, 0x3a,
0x90, 0x54, 0x29, 0x74, 0xd6,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
{
Value: 100000181,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0xa4, 0x05, 0xea, 0x18, 0x09,
0x14, 0xa9, 0x11, 0xd0, 0xb8,
0x07, 0x99, 0x19, 0x2b, 0x0b,
0x84, 0xae, 0x80, 0x1e, 0xbd,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
{
Value: 596516343,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x24, 0x56, 0x76, 0x45, 0x4f,
0x6f, 0xff, 0x28, 0x88, 0x39,
0x47, 0xea, 0x70, 0x23, 0x86,
0x9b, 0x8a, 0x71, 0xa3, 0x05,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
// Test input 0
pkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0xfd, 0xf6, 0xea, 0xe7, 0x10,
0xa0, 0xc4, 0x49, 0x7a, 0x8d,
0x0f, 0xd2, 0x9a, 0xf6, 0x6b,
0xac, 0x94, 0xaf, 0x6c, 0x98,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
idx: 0,
canonicalSigs: true,
shouldFail: true,
nSigOps: 1,
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.PubKeyHashTy,
NumInputs: 2,
ExpectedInputs: 2,
SigOps: 1,
},
},
// tx 51bf528ecf3c161e7c021224197dbe84f9a8564212f6207baa014c01a1668e1e
// first instance of an AnyoneCanPay signature in the blockchain
{
name: "CheckSigHashAnyoneCanPay",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0xf6, 0x04, 0x4c, 0x0a,
0xd4, 0x85, 0xf6, 0x33,
0xb4, 0x1f, 0x97, 0xd0,
0xd7, 0x93, 0xeb, 0x28,
0x37, 0xae, 0x40, 0xf7,
0x38, 0xff, 0x6d, 0x5f,
0x50, 0xfd, 0xfd, 0x10,
0x52, 0x8c, 0x1d, 0x76,
}),
Index: 1,
},
SignatureScript: []byte{
btcscript.OP_DATA_72,
0x30, 0x45, 0x02, 0x20, 0x58,
0x53, 0xc7, 0xf1, 0x39, 0x57,
0x85, 0xbf, 0xab, 0xb0, 0x3c,
0x57, 0xe9, 0x62, 0xeb, 0x07,
0x6f, 0xf2, 0x4d, 0x8e, 0x4e,
0x57, 0x3b, 0x04, 0xdb, 0x13,
0xb4, 0x5e, 0xd3, 0xed, 0x6e,
0xe2, 0x02, 0x21, 0x00, 0x9d,
0xc8, 0x2a, 0xe4, 0x3b, 0xe9,
0xd4, 0xb1, 0xfe, 0x28, 0x47,
0x75, 0x4e, 0x1d, 0x36, 0xda,
0xd4, 0x8b, 0xa8, 0x01, 0x81,
0x7d, 0x48, 0x5d, 0xc5, 0x29,
0xaf, 0xc5, 0x16, 0xc2, 0xdd,
0xb4, 0x81,
btcscript.OP_DATA_33,
0x03, 0x05, 0x58, 0x49, 0x80,
0x36, 0x7b, 0x32, 0x1f, 0xad,
0x7f, 0x1c, 0x1f, 0x4d, 0x5d,
0x72, 0x3d, 0x0a, 0xc8, 0x0c,
0x1d, 0x80, 0xc8, 0xba, 0x12,
0x34, 0x39, 0x65, 0xb4, 0x83,
0x64, 0x53, 0x7a,
},
Sequence: 4294967295,
},
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0x9c, 0x6a, 0xf0, 0xdf,
0x66, 0x69, 0xbc, 0xde,
0xd1, 0x9e, 0x31, 0x7e,
0x25, 0xbe, 0xbc, 0x8c,
0x78, 0xe4, 0x8d, 0xf8,
0xae, 0x1f, 0xe0, 0x2a,
0x7f, 0x03, 0x08, 0x18,
0xe7, 0x1e, 0xcd, 0x40,
}),
Index: 1,
},
SignatureScript: []byte{
btcscript.OP_DATA_73,
0x30, 0x46, 0x02, 0x21, 0x00,
0x82, 0x69, 0xc9, 0xd7, 0xba,
0x0a, 0x7e, 0x73, 0x0d, 0xd1,
0x6f, 0x40, 0x82, 0xd2, 0x9e,
0x36, 0x84, 0xfb, 0x74, 0x63,
0xba, 0x06, 0x4f, 0xd0, 0x93,
0xaf, 0xc1, 0x70, 0xad, 0x6e,
0x03, 0x88, 0x02, 0x21, 0x00,
0xbc, 0x6d, 0x76, 0x37, 0x39,
0x16, 0xa3, 0xff, 0x6e, 0xe4,
0x1b, 0x2c, 0x75, 0x20, 0x01,
0xfd, 0xa3, 0xc9, 0xe0, 0x48,
0xbc, 0xff, 0x0d, 0x81, 0xd0,
0x5b, 0x39, 0xff, 0x0f, 0x42,
0x17, 0xb2, 0x81,
btcscript.OP_DATA_33,
0x03, 0xaa, 0xe3, 0x03, 0xd8,
0x25, 0x42, 0x15, 0x45, 0xc5,
0xbc, 0x7c, 0xcd, 0x5a, 0xc8,
0x7d, 0xd5, 0xad, 0xd3, 0xbc,
0xc3, 0xa4, 0x32, 0xba, 0x7a,
0xa2, 0xf2, 0x66, 0x16, 0x99,
0xf9, 0xf6, 0x59,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 300000,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x5c, 0x11, 0xf9, 0x17, 0x88,
0x3b, 0x92, 0x7e, 0xef, 0x77,
0xdc, 0x57, 0x70, 0x7a, 0xeb,
0x85, 0x3f, 0x6d, 0x38, 0x94,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
pkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x85, 0x51, 0xe4, 0x8a, 0x53, 0xde, 0xcd, 0x1c, 0xfc,
0x63, 0x07, 0x9a, 0x45, 0x81, 0xbc, 0xcc, 0xfa, 0xd1,
0xa9, 0x3c,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
idx: 0,
bip16: true, // after threshold
nSigOps: 1,
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.PubKeyHashTy,
NumInputs: 2,
ExpectedInputs: 2,
SigOps: 1,
},
},
// tx 6d36bc17e947ce00bb6f12f8e7a56a1585c5a36188ffa2b05e10b4743273a74b
// Uses OP_CODESEPARATOR and OP_CHECKMULTISIG
{
name: "CheckMultiSig",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0x37, 0xb1, 0x7d, 0x76,
0x38, 0x51, 0xcd, 0x1a,
0xb0, 0x4a, 0x42, 0x44,
0x63, 0xd4, 0x13, 0xc4,
0xee, 0x5c, 0xf6, 0x13,
0x04, 0xc7, 0xfd, 0x76,
0x97, 0x7b, 0xea, 0x7f,
0xce, 0x07, 0x57, 0x05,
}),
Index: 0,
},
SignatureScript: []byte{
btcscript.OP_DATA_71,
0x30, 0x44, 0x02, 0x20, 0x02,
0xdb, 0xe4, 0xb5, 0xa2, 0xfb,
0xb5, 0x21, 0xe4, 0xdc, 0x5f,
0xbe, 0xc7, 0x5f, 0xd9, 0x60,
0x65, 0x1a, 0x27, 0x54, 0xb0,
0x3d, 0x08, 0x71, 0xb8, 0xc9,
0x65, 0x46, 0x9b, 0xe5, 0x0f,
0xa7, 0x02, 0x20, 0x6d, 0x97,
0x42, 0x1f, 0xb7, 0xea, 0x93,
0x59, 0xb6, 0x3e, 0x48, 0xc2,
0x10, 0x82, 0x23, 0x28, 0x4b,
0x9a, 0x71, 0x56, 0x0b, 0xd8,
0x18, 0x24, 0x69, 0xb9, 0x03,
0x92, 0x28, 0xd7, 0xb3, 0xd7,
0x01, 0x21, 0x02, 0x95, 0xbf,
0x72, 0x71, 0x11, 0xac, 0xde,
0xab, 0x87, 0x78, 0x28, 0x4f,
0x02, 0xb7, 0x68, 0xd1, 0xe2,
0x1a, 0xcb, 0xcb, 0xae, 0x42,
},
Sequence: 4294967295,
},
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0x37, 0xb1, 0x7d, 0x76,
0x38, 0x51, 0xcd, 0x1a,
0xb0, 0x4a, 0x42, 0x44,
0x63, 0xd4, 0x13, 0xc4,
0xee, 0x5c, 0xf6, 0x13,
0x04, 0xc7, 0xfd, 0x76,
0x97, 0x7b, 0xea, 0x7f,
0xce, 0x07, 0x57, 0x05,
}),
Index: 1,
},
SignatureScript: []uint8{
btcscript.OP_FALSE,
btcscript.OP_DATA_72,
0x30, 0x45, 0x02, 0x20, 0x10,
0x6a, 0x3e, 0x4e, 0xf0, 0xb5,
0x1b, 0x76, 0x4a, 0x28, 0x87,
0x22, 0x62, 0xff, 0xef, 0x55,
0x84, 0x65, 0x14, 0xda, 0xcb,
0xdc, 0xbb, 0xdd, 0x65, 0x2c,
0x84, 0x9d, 0x39, 0x5b, 0x43,
0x84, 0x02, 0x21, 0x00, 0xe0,
0x3a, 0xe5, 0x54, 0xc3, 0xcb,
0xb4, 0x06, 0x00, 0xd3, 0x1d,
0xd4, 0x6f, 0xc3, 0x3f, 0x25,
0xe4, 0x7b, 0xf8, 0x52, 0x5b,
0x1f, 0xe0, 0x72, 0x82, 0xe3,
0xb6, 0xec, 0xb5, 0xf3, 0xbb,
0x28, 0x01,
btcscript.OP_CODESEPARATOR,
btcscript.OP_TRUE,
btcscript.OP_DATA_33,
0x02, 0x32, 0xab, 0xdc, 0x89,
0x3e, 0x7f, 0x06, 0x31, 0x36,
0x4d, 0x7f, 0xd0, 0x1c, 0xb3,
0x3d, 0x24, 0xda, 0x45, 0x32,
0x9a, 0x00, 0x35, 0x7b, 0x3a,
0x78, 0x86, 0x21, 0x1a, 0xb4,
0x14, 0xd5, 0x5a,
btcscript.OP_TRUE,
btcscript.OP_CHECKMULTISIG,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 4800000,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x0d, 0x77, 0x13, 0x64, 0x9f,
0x9a, 0x06, 0x78, 0xf4, 0xe8,
0x80, 0xb4, 0x0f, 0x86, 0xb9,
0x32, 0x89, 0xd1, 0xbb, 0x27,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
// This is a very weird script...
pkScript: []byte{
btcscript.OP_DATA_20,
0x2a, 0x9b, 0xc5, 0x44, 0x7d, 0x66, 0x4c, 0x1d, 0x01,
0x41, 0x39, 0x2a, 0x84, 0x2d, 0x23, 0xdb, 0xa4, 0x5c,
0x4f, 0x13,
btcscript.OP_NOP2, btcscript.OP_DROP,
},
idx: 1,
bip16: false,
nSigOps: 0, // multisig is in the pkScript!
scriptInfoErr: btcscript.StackErrNonPushOnly,
},
// same as previous but with one byte changed to make signature fail
{
name: "CheckMultiSig fail",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0x37, 0xb1, 0x7d, 0x76,
0x38, 0x51, 0xcd, 0x1a,
0xb0, 0x4a, 0x42, 0x44,
0x63, 0xd4, 0x13, 0xc4,
0xee, 0x5c, 0xf6, 0x13,
0x04, 0xc7, 0xfd, 0x76,
0x97, 0x7b, 0xea, 0x7f,
0xce, 0x07, 0x57, 0x05,
}),
Index: 0,
},
SignatureScript: []byte{
btcscript.OP_DATA_71,
0x30, 0x44, 0x02, 0x20, 0x02,
0xdb, 0xe4, 0xb5, 0xa2, 0xfb,
0xb5, 0x21, 0xe4, 0xdc, 0x5f,
0xbe, 0xc7, 0x5f, 0xd9, 0x60,
0x65, 0x1a, 0x27, 0x54, 0xb0,
0x3d, 0x08, 0x71, 0xb8, 0xc9,
0x65, 0x46, 0x9b, 0xe5, 0x0f,
0xa7, 0x02, 0x20, 0x6d, 0x97,
0x42, 0x1f, 0xb7, 0xea, 0x93,
0x59, 0xb6, 0x3e, 0x48, 0xc2,
0x10, 0x82, 0x23, 0x28, 0x4b,
0x9a, 0x71, 0x56, 0x0b, 0xd8,
0x18, 0x24, 0x69, 0xb9, 0x03,
0x92, 0x28, 0xd7, 0xb3, 0xd7,
0x01, 0x21, 0x02, 0x95, 0xbf,
0x72, 0x71, 0x11, 0xac, 0xde,
0xab, 0x87, 0x78, 0x28, 0x4f,
0x02, 0xb7, 0x68, 0xd1, 0xe2,
0x1a, 0xcb, 0xcb, 0xae, 0x42,
},
Sequence: 4294967295,
},
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0x37, 0xb1, 0x7d, 0x76,
0x38, 0x51, 0xcd, 0x1a,
0xb0, 0x4a, 0x42, 0x44,
0x63, 0xd4, 0x13, 0xc4,
0xee, 0x5c, 0xf6, 0x13,
0x04, 0xc7, 0xfd, 0x76,
0x97, 0x7b, 0xea, 0x7f,
0xce, 0x07, 0x57, 0x05,
}),
Index: 1,
},
SignatureScript: []uint8{
btcscript.OP_FALSE,
btcscript.OP_DATA_72,
0x30, 0x45, 0x02, 0x20, 0x10,
0x6a, 0x3e, 0x4e, 0xf0, 0xb5,
0x1b, 0x76, 0x4a, 0x28, 0x87,
0x22, 0x62, 0xff, 0xef, 0x55,
0x84, 0x65, 0x14, 0xda, 0xcb,
0xdc, 0xbb, 0xdd, 0x65, 0x2c,
0x84, 0x9d, 0x39, 0x5b, 0x43,
0x84, 0x02, 0x21, 0x00, 0xe0,
0x3a, 0xe5, 0x54, 0xc3, 0xcb,
0xb4, 0x06, 0x00, 0xd3, 0x1d,
0xd4, 0x6f, 0xc3, 0x3f, 0x25,
0xe4, 0x7b, 0xf8, 0x52, 0x5b,
0x1f, 0xe0, 0x72, 0x82, 0xe3,
0xb6, 0xec, 0xb5, 0xf3, 0xbb,
0x28, 0x01,
btcscript.OP_CODESEPARATOR,
btcscript.OP_TRUE,
btcscript.OP_DATA_33,
0x02, 0x32, 0xab, 0xdc, 0x89,
0x3e, 0x7f, 0x06, 0x31, 0x36,
0x4d, 0x7f, 0xd0, 0x1c, 0xb3,
0x3d, 0x24, 0xda, 0x45, 0x32,
0x9a, 0x00, 0x35, 0x7b, 0x3a,
0x78, 0x86, 0x21, 0x1a, 0xb4,
0x14, 0xd5, 0x5a,
btcscript.OP_TRUE,
btcscript.OP_CHECKMULTISIG,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 5800000,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x0d, 0x77, 0x13, 0x64, 0x9f,
0x9a, 0x06, 0x78, 0xf4, 0xe8,
0x80, 0xb4, 0x0f, 0x86, 0xb9,
0x32, 0x89, 0xd1, 0xbb, 0x27,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
// This is a very weird script...
pkScript: []byte{
btcscript.OP_DATA_20,
0x2a, 0x9b, 0xc5, 0x44, 0x7d, 0x66, 0x4c, 0x1d, 0x01,
0x41, 0x39, 0x2a, 0x84, 0x2d, 0x23, 0xdb, 0xa4, 0x5c,
0x4f, 0x13,
btcscript.OP_NOP2, btcscript.OP_DROP,
},
idx: 1,
bip16: false,
err: btcscript.StackErrScriptFailed,
nSigOps: 0, // multisig is in the pkScript!
scriptInfoErr: btcscript.StackErrNonPushOnly,
},
// tx e5779b9e78f9650debc2893fd9636d827b26b4ddfa6a8172fe8708c924f5c39d
// First P2SH transaction in the blockchain
{
name: "P2SH",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0x6d, 0x58, 0xf8, 0xa3,
0xaa, 0x43, 0x0b, 0x84,
0x78, 0x52, 0x3a, 0x65,
0xc2, 0x03, 0xa2, 0x7b,
0xb8, 0x81, 0x17, 0x8c,
0xb1, 0x23, 0x13, 0xaf,
0xde, 0x29, 0xf9, 0x2e,
0xd7, 0x56, 0xaa, 0x7e,
}),
Index: 0,
},
SignatureScript: []byte{
btcscript.OP_DATA_2,
// OP_3 OP_7
0x53, 0x57,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 1000000,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x5b, 0x69, 0xd8, 0xb9, 0xdf,
0xa6, 0xe4, 0x12, 0x26, 0x47,
0xe1, 0x79, 0x4e, 0xaa, 0x3b,
0xfc, 0x11, 0x1f, 0x70, 0xef,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
pkScript: []byte{
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x43, 0x3e, 0xc2, 0xac, 0x1f, 0xfa, 0x1b, 0x7b, 0x7d,
0x02, 0x7f, 0x56, 0x45, 0x29, 0xc5, 0x71, 0x97, 0xf9,
0xae, 0x88,
btcscript.OP_EQUAL,
},
idx: 0,
bip16: true,
nSigOps: 0, // no signature ops in the pushed script.
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.ScriptHashTy,
NumInputs: 1,
ExpectedInputs: -1, // p2sh script is non standard
SigOps: 0,
},
},
// next few tests are modified versions of previous to hit p2sh error
// cases.
{
// sigscript changed so that pkscript hash will not match.
name: "P2SH - bad hash",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0x6d, 0x58, 0xf8, 0xa3,
0xaa, 0x43, 0x0b, 0x84,
0x78, 0x52, 0x3a, 0x65,
0xc2, 0x03, 0xa2, 0x7b,
0xb8, 0x81, 0x17, 0x8c,
0xb1, 0x23, 0x13, 0xaf,
0xde, 0x29, 0xf9, 0x2e,
0xd7, 0x56, 0xaa, 0x7e,
}),
Index: 0,
},
SignatureScript: []byte{
btcscript.OP_DATA_2,
// OP_3 OP_8
0x53, 0x58,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 1000000,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x5b, 0x69, 0xd8, 0xb9, 0xdf,
0xa6, 0xe4, 0x12, 0x26, 0x47,
0xe1, 0x79, 0x4e, 0xaa, 0x3b,
0xfc, 0x11, 0x1f, 0x70, 0xef,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
pkScript: []byte{
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x43, 0x3e, 0xc2, 0xac, 0x1f, 0xfa, 0x1b, 0x7b, 0x7d,
0x02, 0x7f, 0x56, 0x45, 0x29, 0xc5, 0x71, 0x97, 0xf9,
0xae, 0x88,
btcscript.OP_EQUAL,
},
idx: 0,
err: btcscript.StackErrScriptFailed,
bip16: true,
nSigOps: 0, // no signature ops in the pushed script.
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.ScriptHashTy,
NumInputs: 1,
ExpectedInputs: -1, // p2sh script is non standard
SigOps: 0,
},
},
{
// sigscript changed so that pkscript hash will not match.
name: "P2SH - doesn't parse",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0x6d, 0x58, 0xf8, 0xa3,
0xaa, 0x43, 0x0b, 0x84,
0x78, 0x52, 0x3a, 0x65,
0xc2, 0x03, 0xa2, 0x7b,
0xb8, 0x81, 0x17, 0x8c,
0xb1, 0x23, 0x13, 0xaf,
0xde, 0x29, 0xf9, 0x2e,
0xd7, 0x56, 0xaa, 0x7e,
}),
Index: 0,
},
SignatureScript: []byte{
btcscript.OP_DATA_2,
// pushed script.
btcscript.OP_DATA_2, 0x1,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 1000000,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x5b, 0x69, 0xd8, 0xb9, 0xdf,
0xa6, 0xe4, 0x12, 0x26, 0x47,
0xe1, 0x79, 0x4e, 0xaa, 0x3b,
0xfc, 0x11, 0x1f, 0x70, 0xef,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
pkScript: []byte{
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0xd4, 0x8c, 0xe8, 0x6c, 0x69, 0x8f, 0x24, 0x68, 0x29,
0x92, 0x1b, 0xa9, 0xfb, 0x2a, 0x84, 0x4a, 0xe2, 0xad,
0xba, 0x67,
btcscript.OP_EQUAL,
},
idx: 0,
err: btcscript.StackErrShortScript,
bip16: true,
scriptInfoErr: btcscript.StackErrShortScript,
},
{
// sigscript changed so to be non pushonly.
name: "P2SH - non pushonly",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0x6d, 0x58, 0xf8, 0xa3,
0xaa, 0x43, 0x0b, 0x84,
0x78, 0x52, 0x3a, 0x65,
0xc2, 0x03, 0xa2, 0x7b,
0xb8, 0x81, 0x17, 0x8c,
0xb1, 0x23, 0x13, 0xaf,
0xde, 0x29, 0xf9, 0x2e,
0xd7, 0x56, 0xaa, 0x7e,
}),
Index: 0,
},
// doesn't have to match signature.
// will never run.
SignatureScript: []byte{
btcscript.OP_DATA_2,
// pushed script.
btcscript.OP_DATA_1, 0x1,
btcscript.OP_DUP,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 1000000,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x5b, 0x69, 0xd8, 0xb9, 0xdf,
0xa6, 0xe4, 0x12, 0x26, 0x47,
0xe1, 0x79, 0x4e, 0xaa, 0x3b,
0xfc, 0x11, 0x1f, 0x70, 0xef,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
pkScript: []byte{
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x43, 0x3e, 0xc2, 0xac, 0x1f, 0xfa, 0x1b, 0x7b, 0x7d,
0x02, 0x7f, 0x56, 0x45, 0x29, 0xc5, 0x71, 0x97, 0xf9,
0xae, 0x88,
btcscript.OP_EQUAL,
},
idx: 0,
parseErr: btcscript.StackErrP2SHNonPushOnly,
bip16: true,
nSigOps: 0, // no signature ops in the pushed script.
scriptInfoErr: btcscript.StackErrNonPushOnly,
},
{
// sigscript changed so to be non pushonly.
name: "empty pkScript",
tx: &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0x6d, 0x58, 0xf8, 0xa3,
0xaa, 0x43, 0x0b, 0x84,
0x78, 0x52, 0x3a, 0x65,
0xc2, 0x03, 0xa2, 0x7b,
0xb8, 0x81, 0x17, 0x8c,
0xb1, 0x23, 0x13, 0xaf,
0xde, 0x29, 0xf9, 0x2e,
0xd7, 0x56, 0xaa, 0x7e,
}),
Index: 0,
},
// doesn't have to match signature.
// will never run.
SignatureScript: []byte{
btcscript.OP_TRUE,
},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 1000000,
PkScript: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x5b, 0x69, 0xd8, 0xb9, 0xdf,
0xa6, 0xe4, 0x12, 0x26, 0x47,
0xe1, 0x79, 0x4e, 0xaa, 0x3b,
0xfc, 0x11, 0x1f, 0x70, 0xef,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
},
},
LockTime: 0,
},
pkScript: []byte{},
idx: 0,
bip16: true,
nSigOps: 0, // no signature ops in the pushed script.
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.NonStandardTy,
NumInputs: 1,
ExpectedInputs: -1,
SigOps: 0,
},
},
}
// Test a number of tx from the blockchain to test otherwise difficult to test
// opcodes (i.e. those that involve signatures). Being from the blockchain,
// these transactions are known good.
// TODO(oga) For signatures we currently do not test SigHashSingle because
// nothing in the blockchain that we have yet seen uses them, making it hard
// to confirm we implemented the spec correctly.
func testTx(t *testing.T, test txTest) {
var flags btcscript.ScriptFlags
if test.bip16 {
flags |= btcscript.ScriptBip16
}
if test.canonicalSigs {
flags |= btcscript.ScriptCanonicalSignatures
}
engine, err := btcscript.NewScript(
test.tx.TxIn[test.idx].SignatureScript, test.pkScript,
test.idx, test.tx, flags)
if err != nil {
if err != test.parseErr {
t.Errorf("Failed to parse %s: got \"%v\" expected "+
"\"%v\"", test.name, err, test.parseErr)
}
return
}
if test.parseErr != nil {
t.Errorf("%s: parse succeeded when expecting \"%v\"", test.name,
test.parseErr)
}
err = engine.Execute()
if err != nil {
// failed means no specified error
if test.shouldFail == true {
return
}
if err != test.err {
t.Errorf("Failed to validate %s tx: %v expected %v",
test.name, err, test.err)
}
return
}
if test.err != nil || test.shouldFail == true {
t.Errorf("%s: expected failure: %v, succeeded", test.name,
test.err)
}
}
func TestTX(t *testing.T) {
for i := range txTests {
testTx(t, txTests[i])
}
}
func TestGetPreciseSignOps(t *testing.T) {
// First we go over the range of tests in testTx and count the sigops in
// them.
for _, test := range txTests {
count := btcscript.GetPreciseSigOpCount(
test.tx.TxIn[test.idx].SignatureScript, test.pkScript,
test.bip16)
if count != test.nSigOps {
t.Errorf("%s: expected count of %d, got %d", test.name,
test.nSigOps, count)
}
}
// Now we go over a number of tests to hit the more awkward error
// conditions in the P2SH cases..
type psocTest struct {
name string
scriptSig []byte
nSigOps int
err error
}
psocTests := []psocTest{
{
name: "scriptSig doesn't parse",
scriptSig: []byte{btcscript.OP_PUSHDATA1, 2},
err: btcscript.StackErrShortScript,
},
{
name: "scriptSig isn't push only",
scriptSig: []byte{btcscript.OP_1, btcscript.OP_DUP},
nSigOps: 0,
},
{
name: "scriptSig length 0",
scriptSig: []byte{},
nSigOps: 0,
},
{
name: "No script at the end",
// No script at end but still push only.
scriptSig: []byte{btcscript.OP_1, btcscript.OP_1},
nSigOps: 0,
},
// pushed script doesn't parse.
{
name: "pushed script doesn't parse",
scriptSig: []byte{btcscript.OP_DATA_2,
btcscript.OP_PUSHDATA1, 2},
err: btcscript.StackErrShortScript,
},
}
// The signature in the p2sh script is nonsensical for the tests since
// this script will never be executed. What matters is that it matches
// the right pattern.
pkScript := []byte{
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x43, 0x3e, 0xc2, 0xac, 0x1f, 0xfa, 0x1b, 0x7b, 0x7d,
0x02, 0x7f, 0x56, 0x45, 0x29, 0xc5, 0x71, 0x97, 0xf9,
0xae, 0x88,
btcscript.OP_EQUAL,
}
for _, test := range psocTests {
count := btcscript.GetPreciseSigOpCount(
test.scriptSig, pkScript, true)
if count != test.nSigOps {
t.Errorf("%s: expected count of %d, got %d", test.name,
test.nSigOps, count)
}
}
}
type scriptInfoTest struct {
name string
sigScript []byte
pkScript []byte
bip16 bool
scriptInfo btcscript.ScriptInfo
scriptInfoErr error
}
func TestScriptInfo(t *testing.T) {
for _, test := range txTests {
si, err := btcscript.CalcScriptInfo(
test.tx.TxIn[test.idx].SignatureScript,
test.pkScript, test.bip16)
if err != nil {
if err != test.scriptInfoErr {
t.Errorf("scriptinfo test \"%s\": got \"%v\""+
"expected \"%v\"", test.name, err,
test.scriptInfoErr)
}
continue
}
if test.scriptInfoErr != nil {
t.Errorf("%s: succeeded when expecting \"%v\"",
test.name, test.scriptInfoErr)
continue
}
if *si != test.scriptInfo {
t.Errorf("%s: scriptinfo doesn't match expected. "+
"got: \"%v\" expected \"%v\"", test.name,
*si, test.scriptInfo)
continue
}
}
extraTests := []scriptInfoTest{
{
// Invented scripts, the hashes do not match
name: "pkscript doesn't parse",
sigScript: []byte{btcscript.OP_TRUE,
btcscript.OP_DATA_1, 81,
btcscript.OP_DATA_8,
btcscript.OP_2DUP, btcscript.OP_EQUAL,
btcscript.OP_NOT, btcscript.OP_VERIFY,
btcscript.OP_ABS, btcscript.OP_SWAP,
btcscript.OP_ABS, btcscript.OP_EQUAL,
},
// truncated version of test below:
pkScript: []byte{btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0xfe, 0x44, 0x10, 0x65, 0xb6, 0x53, 0x22, 0x31,
0xde, 0x2f, 0xac, 0x56, 0x31, 0x52, 0x20, 0x5e,
0xc4, 0xf5, 0x9c,
},
bip16: true,
scriptInfoErr: btcscript.StackErrShortScript,
},
{
name: "sigScript doesn't parse",
// Truncated version of p2sh script below.
sigScript: []byte{btcscript.OP_TRUE,
btcscript.OP_DATA_1, 81,
btcscript.OP_DATA_8,
btcscript.OP_2DUP, btcscript.OP_EQUAL,
btcscript.OP_NOT, btcscript.OP_VERIFY,
btcscript.OP_ABS, btcscript.OP_SWAP,
btcscript.OP_ABS,
},
pkScript: []byte{btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0xfe, 0x44, 0x10, 0x65, 0xb6, 0x53, 0x22, 0x31,
0xde, 0x2f, 0xac, 0x56, 0x31, 0x52, 0x20, 0x5e,
0xc4, 0xf5, 0x9c, 0x74, btcscript.OP_EQUAL,
},
bip16: true,
scriptInfoErr: btcscript.StackErrShortScript,
},
{
// Invented scripts, the hashes do not match
name: "p2sh standard script",
sigScript: []byte{btcscript.OP_TRUE,
btcscript.OP_DATA_1, 81,
btcscript.OP_DATA_25,
btcscript.OP_DUP, btcscript.OP_HASH160,
btcscript.OP_DATA_20, 0x1, 0x2, 0x3, 0x4, 0x5,
0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe,
0xf, 0x10, 0x11, 0x12, 0x13, 0x14,
btcscript.OP_EQUALVERIFY, btcscript.OP_CHECKSIG,
},
pkScript: []byte{btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0xfe, 0x44, 0x10, 0x65, 0xb6, 0x53, 0x22, 0x31,
0xde, 0x2f, 0xac, 0x56, 0x31, 0x52, 0x20, 0x5e,
0xc4, 0xf5, 0x9c, 0x74, btcscript.OP_EQUAL,
},
bip16: true,
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.ScriptHashTy,
NumInputs: 3,
ExpectedInputs: 3, // nonstandard p2sh.
SigOps: 1,
},
},
{
// from 567a53d1ce19ce3d07711885168484439965501536d0d0294c5d46d46c10e53b
// from the blockchain.
name: "p2sh nonstandard script",
sigScript: []byte{btcscript.OP_TRUE,
btcscript.OP_DATA_1, 81,
btcscript.OP_DATA_8,
btcscript.OP_2DUP, btcscript.OP_EQUAL,
btcscript.OP_NOT, btcscript.OP_VERIFY,
btcscript.OP_ABS, btcscript.OP_SWAP,
btcscript.OP_ABS, btcscript.OP_EQUAL,
},
pkScript: []byte{btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0xfe, 0x44, 0x10, 0x65, 0xb6, 0x53, 0x22, 0x31,
0xde, 0x2f, 0xac, 0x56, 0x31, 0x52, 0x20, 0x5e,
0xc4, 0xf5, 0x9c, 0x74, btcscript.OP_EQUAL,
},
bip16: true,
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.ScriptHashTy,
NumInputs: 3,
ExpectedInputs: -1, // nonstandard p2sh.
SigOps: 0,
},
},
{
// Script is invented, numbers all fake.
name: "multisig script",
sigScript: []byte{btcscript.OP_TRUE,
btcscript.OP_TRUE, btcscript.OP_TRUE,
},
pkScript: []byte{
btcscript.OP_3, btcscript.OP_DATA_33,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9,
0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x10, 0x11, 0x12,
0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a,
0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21,
btcscript.OP_DATA_33,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9,
0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x10, 0x11, 0x12,
0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a,
0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21,
btcscript.OP_DATA_33,
0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9,
0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x10, 0x11, 0x12,
0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a,
0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21,
btcscript.OP_3, btcscript.OP_CHECKMULTISIG,
},
bip16: true,
scriptInfo: btcscript.ScriptInfo{
PkScriptClass: btcscript.MultiSigTy,
NumInputs: 3,
ExpectedInputs: 3,
SigOps: 3,
},
},
}
for _, test := range extraTests {
si, err := btcscript.CalcScriptInfo(test.sigScript,
test.pkScript, test.bip16)
if err != nil {
if err != test.scriptInfoErr {
t.Errorf("scriptinfo test \"%s\": got \"%v\""+
"expected \"%v\"", test.name, err,
test.scriptInfoErr)
}
continue
}
if test.scriptInfoErr != nil {
t.Errorf("%s: succeeded when expecting \"%v\"",
test.name, test.scriptInfoErr)
continue
}
if *si != test.scriptInfo {
t.Errorf("%s: scriptinfo doesn't match expected. "+
"got: \"%v\" expected \"%v\"", test.name,
*si, test.scriptInfo)
continue
}
}
}
type removeOpcodeTest struct {
name string
before []byte
remove byte
err error
after []byte
}
var removeOpcodeTests = []removeOpcodeTest{
// Nothing to remove.
{
name: "nothing to remove",
before: []byte{btcscript.OP_NOP},
remove: btcscript.OP_CODESEPARATOR,
after: []byte{btcscript.OP_NOP},
},
// Test basic opcode removal
{
name: "codeseparator 1",
before: []byte{btcscript.OP_NOP, btcscript.OP_CODESEPARATOR,
btcscript.OP_TRUE},
remove: btcscript.OP_CODESEPARATOR,
after: []byte{btcscript.OP_NOP, btcscript.OP_TRUE},
},
// The opcode in question is actually part of the data in a previous
// opcode
{
name: "codeseparator by coincidence",
before: []byte{btcscript.OP_NOP, btcscript.OP_DATA_1, btcscript.OP_CODESEPARATOR,
btcscript.OP_TRUE},
remove: btcscript.OP_CODESEPARATOR,
after: []byte{btcscript.OP_NOP, btcscript.OP_DATA_1, btcscript.OP_CODESEPARATOR,
btcscript.OP_TRUE},
},
{
name: "invalid opcode",
before: []byte{btcscript.OP_UNKNOWN186},
remove: btcscript.OP_CODESEPARATOR,
after: []byte{btcscript.OP_UNKNOWN186},
},
{
name: "invalid length (insruction)",
before: []byte{btcscript.OP_PUSHDATA1},
remove: btcscript.OP_CODESEPARATOR,
err: btcscript.StackErrShortScript,
},
{
name: "invalid length (data)",
before: []byte{btcscript.OP_PUSHDATA1, 255, 254},
remove: btcscript.OP_CODESEPARATOR,
err: btcscript.StackErrShortScript,
},
}
func testRemoveOpcode(t *testing.T, test *removeOpcodeTest) {
result, err := btcscript.TstRemoveOpcode(test.before, test.remove)
if test.err != nil {
if err != test.err {
t.Errorf("%s: got unexpected error. exp: \"%v\" "+
"got: \"%v\"", test.name, test.err, err)
}
return
}
if err != nil {
t.Errorf("%s: unexpected failure: \"%v\"", test.name, err)
return
}
if !bytes.Equal(test.after, result) {
t.Errorf("%s: value does not equal expected: exp: \"%v\""+
" got: \"%v\"", test.name, test.after, result)
}
}
func TestRemoveOpcodes(t *testing.T) {
for i := range removeOpcodeTests {
testRemoveOpcode(t, &removeOpcodeTests[i])
}
}
type removeOpcodeByDataTest struct {
name string
before []byte
remove []byte
err error
after []byte
}
var removeOpcodeByDataTests = []removeOpcodeByDataTest{
{
name: "nothing to do",
before: []byte{btcscript.OP_NOP},
remove: []byte{1, 2, 3, 4},
after: []byte{btcscript.OP_NOP},
},
{
name: "simple case",
before: []byte{btcscript.OP_DATA_4, 1, 2, 3, 4},
remove: []byte{1, 2, 3, 4},
after: []byte{},
},
{
name: "simple case (miss)",
before: []byte{btcscript.OP_DATA_4, 1, 2, 3, 4},
remove: []byte{1, 2, 3, 5},
after: []byte{btcscript.OP_DATA_4, 1, 2, 3, 4},
},
{
name: "simple case (pushdata1)",
before: []byte{btcscript.OP_PUSHDATA1, 4, 1, 2, 3, 4},
remove: []byte{1, 2, 3, 4},
after: []byte{},
},
{
name: "simple case (pushdata1 miss)",
before: []byte{btcscript.OP_PUSHDATA1, 4, 1, 2, 3, 4},
remove: []byte{1, 2, 3, 5},
after: []byte{btcscript.OP_PUSHDATA1, 4, 1, 2, 3, 4},
},
{
name: "simple case (pushdata2)",
before: []byte{btcscript.OP_PUSHDATA2, 4, 0, 1, 2, 3, 4},
remove: []byte{1, 2, 3, 4},
after: []byte{},
},
{
name: "simple case (pushdata2 miss)",
before: []byte{btcscript.OP_PUSHDATA2, 4, 0, 1, 2, 3, 4},
remove: []byte{1, 2, 3, 5},
after: []byte{btcscript.OP_PUSHDATA2, 4, 0, 1, 2, 3, 4},
},
{
name: "simple case (pushdata4)",
before: []byte{btcscript.OP_PUSHDATA4, 4, 0, 0, 0, 1, 2, 3, 4},
remove: []byte{1, 2, 3, 4},
after: []byte{},
},
{
name: "simple case (pushdata4 miss)",
before: []byte{btcscript.OP_PUSHDATA4, 4, 0, 0, 0, 1, 2, 3, 4},
remove: []byte{1, 2, 3, 4, 5},
after: []byte{btcscript.OP_PUSHDATA4, 4, 0, 0, 0, 1, 2, 3, 4},
},
{
name: "invalid opcode ",
before: []byte{btcscript.OP_UNKNOWN187},
remove: []byte{1, 2, 3, 4},
after: []byte{btcscript.OP_UNKNOWN187},
},
{
name: "invalid length (instruction)",
before: []byte{btcscript.OP_PUSHDATA1},
remove: []byte{1, 2, 3, 4},
err: btcscript.StackErrShortScript,
},
{
name: "invalid length (data)",
before: []byte{btcscript.OP_PUSHDATA1, 255, 254},
remove: []byte{1, 2, 3, 4},
err: btcscript.StackErrShortScript,
},
}
func testRemoveOpcodeByData(t *testing.T, test *removeOpcodeByDataTest) {
result, err := btcscript.TstRemoveOpcodeByData(test.before,
test.remove)
if test.err != nil {
if err != test.err {
t.Errorf("%s: got unexpected error. exp: \"%v\" "+
"got: \"%v\"", test.name, test.err, err)
}
return
}
if err != nil {
t.Errorf("%s: unexpected failure: \"%v\"", test.name, err)
return
}
if !bytes.Equal(test.after, result) {
t.Errorf("%s: value does not equal expected: exp: \"%v\""+
" got: \"%v\"", test.name, test.after, result)
}
}
func TestRemoveOpcodeByDatas(t *testing.T) {
for i := range removeOpcodeByDataTests {
testRemoveOpcodeByData(t, &removeOpcodeByDataTests[i])
}
}
// Tests for the script type logic
type scriptTypeTest struct {
name string
script []byte
scripttype btcscript.ScriptClass
}
var scriptTypeTests = []scriptTypeTest{
// tx 0437cd7f8525ceed2324359c2d0ba26006d92d85.
{
name: "Pay Pubkey",
script: []byte{
btcscript.OP_DATA_65,
0x04, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a, 0x01,
0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e, 0xb6,
0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca, 0xd7,
0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xb2, 0xe0, 0xea,
0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64, 0xf8,
0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9, 0xd4,
0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56, 0xb4,
0x12, 0xa3,
btcscript.OP_CHECKSIG,
},
scripttype: btcscript.PubKeyTy,
},
// tx 599e47a8114fe098103663029548811d2651991b62397e057f0c863c2bc9f9ea
{
name: "Pay PubkeyHash",
script: []byte{
btcscript.OP_DUP,
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x66, 0x0d, 0x4e, 0xf3, 0xa7, 0x43, 0xe3, 0xe6, 0x96,
0xad, 0x99, 0x03, 0x64, 0xe5, 0x55, 0xc2, 0x71, 0xad,
0x50, 0x4b,
btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG,
},
scripttype: btcscript.PubKeyHashTy,
},
// part of tx 6d36bc17e947ce00bb6f12f8e7a56a1585c5a36188ffa2b05e10b4743273a74b
// codeseparator parts have been elided. (bitcoind's checks for multisig
// type doesn't have codesep etc either.
{
name: "multisig",
script: []byte{
btcscript.OP_TRUE,
btcscript.OP_DATA_33,
0x02, 0x32, 0xab, 0xdc, 0x89, 0x3e, 0x7f, 0x06, 0x31,
0x36, 0x4d, 0x7f, 0xd0, 0x1c, 0xb3, 0x3d, 0x24, 0xda,
0x45, 0x32, 0x9a, 0x00, 0x35, 0x7b, 0x3a, 0x78, 0x86,
0x21, 0x1a, 0xb4, 0x14, 0xd5, 0x5a,
btcscript.OP_TRUE,
btcscript.OP_CHECKMULTISIG,
},
scripttype: btcscript.MultiSigTy,
},
// tx e5779b9e78f9650debc2893fd9636d827b26b4ddfa6a8172fe8708c924f5c39d
// P2SH
{
name: "P2SH",
script: []byte{
btcscript.OP_HASH160,
btcscript.OP_DATA_20,
0x43, 0x3e, 0xc2, 0xac, 0x1f, 0xfa, 0x1b, 0x7b, 0x7d,
0x02, 0x7f, 0x56, 0x45, 0x29, 0xc5, 0x71, 0x97, 0xf9,
0xae, 0x88,
btcscript.OP_EQUAL,
},
scripttype: btcscript.ScriptHashTy,
},
// Nulldata with no data at all.
{
name: "nulldata",
script: []byte{
btcscript.OP_RETURN,
},
scripttype: btcscript.NullDataTy,
},
// Nulldata with small data.
{
name: "nulldata2",
script: []byte{
btcscript.OP_RETURN,
btcscript.OP_DATA_8,
0x04, 0x67, 0x08, 0xaf, 0xdb, 0x0f, 0xe5, 0x54,
},
scripttype: btcscript.NullDataTy,
},
// Nulldata with max allowed data.
{
name: "nulldata3",
script: []byte{
btcscript.OP_RETURN,
btcscript.OP_PUSHDATA1,
0x50,
0x04, 0x67, 0x08, 0xaf, 0xdb, 0x0f, 0xe5, 0x54,
0x82, 0x71, 0x96, 0x7f, 0x1a, 0x67, 0x13, 0x0b,
0x71, 0x05, 0xcd, 0x6a, 0x82, 0x8e, 0x03, 0x90,
0x9a, 0x67, 0x96, 0x2e, 0x0e, 0xa1, 0xf6, 0x1d,
0xeb, 0x64, 0x9f, 0x6b, 0xc3, 0xf4, 0xce, 0xf3,
0x80, 0x46, 0x78, 0xaf, 0xdb, 0x0f, 0xe5, 0x54,
0x82, 0x71, 0x96, 0x7f, 0x1a, 0x67, 0x13, 0x0b,
0x71, 0x05, 0xcd, 0x6a, 0x82, 0x8e, 0x03, 0x90,
0x9a, 0x67, 0x96, 0x2e, 0x0e, 0xa1, 0xf6, 0x1d,
0xeb, 0x64, 0x9f, 0x6b, 0xc3, 0xf4, 0xce, 0xf3,
},
scripttype: btcscript.NullDataTy,
},
// Nulldata with more than max allowed data (so therefore nonstandard)
{
name: "nulldata4",
script: []byte{
btcscript.OP_RETURN,
btcscript.OP_PUSHDATA1,
0x51,
0x04, 0x67, 0x08, 0xaf, 0xdb, 0x0f, 0xe5, 0x54,
0x82, 0x71, 0x96, 0x7f, 0x1a, 0x67, 0x13, 0x0b,
0x71, 0x05, 0xcd, 0x6a, 0x82, 0x8e, 0x03, 0x90,
0x9a, 0x67, 0x96, 0x2e, 0x0e, 0xa1, 0xf6, 0x1d,
0xeb, 0x64, 0x9f, 0x6b, 0xc3, 0xf4, 0xce, 0xf3,
0x80, 0x46, 0x78, 0xaf, 0xdb, 0x0f, 0xe5, 0x54,
0x82, 0x71, 0x96, 0x7f, 0x1a, 0x67, 0x13, 0x0b,
0x71, 0x05, 0xcd, 0x6a, 0x82, 0x8e, 0x03, 0x90,
0x9a, 0x67, 0x96, 0x2e, 0x0e, 0xa1, 0xf6, 0x1d,
0xeb, 0x64, 0x9f, 0x6b, 0xc3, 0xf4, 0xce, 0xf3,
0x08,
},
scripttype: btcscript.NonStandardTy,
},
// Almost nulldata, but add an additional opcode after the data to make
// it nonstandard.
{
name: "nulldata5",
script: []byte{
btcscript.OP_RETURN,
btcscript.OP_DATA_1,
0x04,
btcscript.OP_TRUE,
},
scripttype: btcscript.NonStandardTy,
}, // The next few are almost multisig (it is the more complex script type)
// but with various changes to make it fail.
{
// multisig but funny nsigs..
name: "strange 1",
script: []byte{
btcscript.OP_DUP,
btcscript.OP_DATA_33,
0x02, 0x32, 0xab, 0xdc, 0x89, 0x3e, 0x7f, 0x06, 0x31,
0x36, 0x4d, 0x7f, 0xd0, 0x1c, 0xb3, 0x3d, 0x24, 0xda,
0x45, 0x32, 0x9a, 0x00, 0x35, 0x7b, 0x3a, 0x78, 0x86,
0x21, 0x1a, 0xb4, 0x14, 0xd5, 0x5a,
btcscript.OP_TRUE,
btcscript.OP_CHECKMULTISIG,
},
scripttype: btcscript.NonStandardTy,
},
{
name: "strange 2",
// multisig but funny pubkey.
script: []byte{
btcscript.OP_TRUE,
btcscript.OP_TRUE,
btcscript.OP_TRUE,
btcscript.OP_CHECKMULTISIG,
},
scripttype: btcscript.NonStandardTy,
},
{
name: "strange 3",
// multisig but no matching npubkeys opcode.
script: []byte{
btcscript.OP_TRUE,
btcscript.OP_DATA_33,
0x02, 0x32, 0xab, 0xdc, 0x89, 0x3e, 0x7f, 0x06, 0x31,
0x36, 0x4d, 0x7f, 0xd0, 0x1c, 0xb3, 0x3d, 0x24, 0xda,
0x45, 0x32, 0x9a, 0x00, 0x35, 0x7b, 0x3a, 0x78, 0x86,
0x21, 0x1a, 0xb4, 0x14, 0xd5, 0x5a,
btcscript.OP_DATA_33,
0x02, 0x32, 0xab, 0xdc, 0x89, 0x3e, 0x7f, 0x06, 0x31,
0x36, 0x4d, 0x7f, 0xd0, 0x1c, 0xb3, 0x3d, 0x24, 0xda,
0x45, 0x32, 0x9a, 0x00, 0x35, 0x7b, 0x3a, 0x78, 0x86,
0x21, 0x1a, 0xb4, 0x14, 0xd5, 0x5a,
// No number.
btcscript.OP_CHECKMULTISIG,
},
scripttype: btcscript.NonStandardTy,
},
{
name: "strange 4",
// multisig but with multisigverify
script: []byte{
btcscript.OP_TRUE,
btcscript.OP_DATA_33,
0x02, 0x32, 0xab, 0xdc, 0x89, 0x3e, 0x7f, 0x06, 0x31,
0x36, 0x4d, 0x7f, 0xd0, 0x1c, 0xb3, 0x3d, 0x24, 0xda,
0x45, 0x32, 0x9a, 0x00, 0x35, 0x7b, 0x3a, 0x78, 0x86,
0x21, 0x1a, 0xb4, 0x14, 0xd5, 0x5a,
btcscript.OP_TRUE,
btcscript.OP_CHECKMULTISIGVERIFY,
},
scripttype: btcscript.NonStandardTy,
},
{
name: "strange 5",
// multisig but wrong length.
script: []byte{
btcscript.OP_TRUE,
btcscript.OP_CHECKMULTISIG,
},
scripttype: btcscript.NonStandardTy,
},
{
name: "doesn't parse",
script: []byte{
btcscript.OP_DATA_5, 0x1, 0x2, 0x3, 0x4,
},
scripttype: btcscript.NonStandardTy,
},
}
func testScriptType(t *testing.T, test *scriptTypeTest) {
scripttype := btcscript.GetScriptClass(test.script)
if scripttype != test.scripttype {
t.Errorf("%s: expected %s got %s", test.name, test.scripttype,
scripttype)
}
}
func TestScriptTypes(t *testing.T) {
for i := range scriptTypeTests {
testScriptType(t, &scriptTypeTests[i])
}
}
func TestIsPayToScriptHash(t *testing.T) {
for _, test := range scriptTypeTests {
shouldBe := (test.scripttype == btcscript.ScriptHashTy)
p2sh := btcscript.IsPayToScriptHash(test.script)
if p2sh != shouldBe {
t.Errorf("%s: epxected p2sh %v, got %v", test.name,
shouldBe, p2sh)
}
}
}
// This test sets the pc to a deliberately bad result then confirms that Step()
// and Disasm fail correctly.
func TestBadPC(t *testing.T) {
type pcTest struct {
script, off int
}
pcTests := []pcTest{
{
script: 2,
off: 0,
},
{
script: 0,
off: 2,
},
}
// tx with almost empty scripts.
tx := &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0xc9, 0x97, 0xa5, 0xe5,
0x6e, 0x10, 0x41, 0x02,
0xfa, 0x20, 0x9c, 0x6a,
0x85, 0x2d, 0xd9, 0x06,
0x60, 0xa2, 0x0b, 0x2d,
0x9c, 0x35, 0x24, 0x23,
0xed, 0xce, 0x25, 0x85,
0x7f, 0xcd, 0x37, 0x04,
}),
Index: 0,
},
SignatureScript: []uint8{btcscript.OP_NOP},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 1000000000,
PkScript: []byte{},
},
},
LockTime: 0,
}
pkScript := []byte{btcscript.OP_NOP}
for _, test := range pcTests {
engine, err := btcscript.NewScript(tx.TxIn[0].SignatureScript,
pkScript, 0, tx, 0)
if err != nil {
t.Errorf("Failed to create script: %v", err)
}
// set to after all scripts
engine.TstSetPC(test.script, test.off)
_, err = engine.Step()
if err == nil {
t.Errorf("Step with invalid pc (%v) succeeds!", test)
continue
}
_, err = engine.DisasmPC()
if err == nil {
t.Errorf("DisasmPC with invalid pc (%v) succeeds!",
test)
}
}
}
// Most codepaths in CheckErrorCondition() are testd elsewhere, this tests
// the execute early test.
func TestCheckErrorCondition(t *testing.T) {
// tx with almost empty scripts.
tx := &btcwire.MsgTx{
Version: 1,
TxIn: []*btcwire.TxIn{
{
PreviousOutpoint: btcwire.OutPoint{
Hash: btcwire.ShaHash([32]byte{
0xc9, 0x97, 0xa5, 0xe5,
0x6e, 0x10, 0x41, 0x02,
0xfa, 0x20, 0x9c, 0x6a,
0x85, 0x2d, 0xd9, 0x06,
0x60, 0xa2, 0x0b, 0x2d,
0x9c, 0x35, 0x24, 0x23,
0xed, 0xce, 0x25, 0x85,
0x7f, 0xcd, 0x37, 0x04,
}),
Index: 0,
},
SignatureScript: []uint8{},
Sequence: 4294967295,
},
},
TxOut: []*btcwire.TxOut{
{
Value: 1000000000,
PkScript: []byte{},
},
},
LockTime: 0,
}
pkScript := []byte{
btcscript.OP_NOP,
btcscript.OP_NOP,
btcscript.OP_NOP,
btcscript.OP_NOP,
btcscript.OP_NOP,
btcscript.OP_NOP,
btcscript.OP_NOP,
btcscript.OP_NOP,
btcscript.OP_NOP,
btcscript.OP_NOP,
btcscript.OP_TRUE,
}
engine, err := btcscript.NewScript(tx.TxIn[0].SignatureScript, pkScript,
0, tx, 0)
if err != nil {
t.Errorf("failed to create script: %v", err)
}
for i := 0; i < len(pkScript)-1; i++ {
done, err := engine.Step()
if err != nil {
t.Errorf("failed to step %dth time: %v", i, err)
return
}
if done {
t.Errorf("finshed early on %dth time", i)
return
}
err = engine.CheckErrorCondition()
if err != btcscript.StackErrScriptUnfinished {
t.Errorf("got unexepected error %v on %dth iteration",
err, i)
return
}
}
done, err := engine.Step()
if err != nil {
t.Errorf("final step failed %v", err)
return
}
if !done {
t.Errorf("final step isn't done!")
return
}
err = engine.CheckErrorCondition()
if err != nil {
t.Errorf("unexpected error %v on final check", err)
}
}
func TestPayToPubKeyHashScript(t *testing.T) {
validaddr := []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20}
invalidaddr := validaddr[:len(validaddr)-2]
expected := []byte{btcscript.OP_DUP, btcscript.OP_HASH160,
btcscript.OP_DATA_20, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14, 15, 16, 17, 18, 19, 20, btcscript.OP_EQUALVERIFY,
btcscript.OP_CHECKSIG}
script, err := btcscript.PayToPubKeyHashScript(validaddr)
if err != nil {
t.Error(err)
return
}
if !bytes.Equal(script, expected) {
t.Error("Unexpected script result.")
return
}
_, err = btcscript.PayToPubKeyHashScript(invalidaddr)
if err == nil {
t.Error("Erroneously created script for invalid address.")
return
}
}
type TstSigScript struct {
name string
inputs []TstInput
hashtype byte
compress bool
scriptAtWrongIndex bool
}
type TstInput struct {
txout *btcwire.TxOut
sigscriptGenerates bool
inputValidates bool
indexOutOfRange bool
invalidReader bool
}
var coinbaseOutPoint = &btcwire.OutPoint{
Index: (1 << 32) - 1,
}
// Pregenerated private key, with associated public key and pkScripts
// for the uncompressed and compressed hash160.
var (
privkeyD = []byte{0x6b, 0x0f, 0xd8, 0xda, 0x54, 0x22, 0xd0, 0xb7,
0xb4, 0xfc, 0x4e, 0x55, 0xd4, 0x88, 0x42, 0xb3, 0xa1, 0x65,
0xac, 0x70, 0x7f, 0x3d, 0xa4, 0x39, 0x5e, 0xcb, 0x3b, 0xb0,
0xd6, 0x0e, 0x06, 0x92}
pubkeyX = []byte{0xb2, 0x52, 0xf0, 0x49, 0x85, 0x78, 0x03, 0x03, 0xc8,
0x7d, 0xce, 0x51, 0x7f, 0xa8, 0x69, 0x0b, 0x91, 0x95, 0xf4,
0xf3, 0x5c, 0x26, 0x73, 0x05, 0x05, 0xa2, 0xee, 0xbc, 0x09,
0x38, 0x34, 0x3a}
pubkeyY = []byte{0xb7, 0xc6, 0x7d, 0xb2, 0xe1, 0xff, 0xc8, 0x43, 0x1f,
0x63, 0x32, 0x62, 0xaa, 0x60, 0xc6, 0x83, 0x30, 0xbd, 0x24,
0x7e, 0xef, 0xdb, 0x6f, 0x2e, 0x8d, 0x56, 0xf0, 0x3c, 0x9f,
0x6d, 0xb6, 0xf8}
uncompressedPkScript = []byte{0x76, 0xa9, 0x14, 0xd1, 0x7c, 0xb5,
0xeb, 0xa4, 0x02, 0xcb, 0x68, 0xe0, 0x69, 0x56, 0xbf, 0x32,
0x53, 0x90, 0x0e, 0x0a, 0x86, 0xc9, 0xfa, 0x88, 0xac}
compressedPkScript = []byte{0x76, 0xa9, 0x14, 0x27, 0x4d, 0x9f, 0x7f,
0x61, 0x7e, 0x7c, 0x7a, 0x1c, 0x1f, 0xb2, 0x75, 0x79, 0x10,
0x43, 0x65, 0x68, 0x27, 0x9d, 0x86, 0x88, 0xac}
shortPkScript = []byte{0x76, 0xa9, 0x14, 0xd1, 0x7c, 0xb5,
0xeb, 0xa4, 0x02, 0xcb, 0x68, 0xe0, 0x69, 0x56, 0xbf, 0x32,
0x53, 0x90, 0x0e, 0x0a, 0x88, 0xac}
uncompressedAddrStr = "1L6fd93zGmtzkK6CsZFVVoCwzZV3MUtJ4F"
compressedAddrStr = "14apLppt9zTq6cNw8SDfiJhk9PhkZrQtYZ"
)
// Pretend output amounts.
const coinbaseVal = 2500000000
const fee = 5000000
var SigScriptTests = []TstSigScript{
{
name: "one input uncompressed",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, uncompressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
},
hashtype: btcscript.SigHashAll,
compress: false,
scriptAtWrongIndex: false,
},
{
name: "two inputs uncompressed",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, uncompressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
{
txout: btcwire.NewTxOut(coinbaseVal+fee, uncompressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
},
hashtype: btcscript.SigHashAll,
compress: false,
scriptAtWrongIndex: false,
},
{
name: "one input compressed",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, compressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
},
hashtype: btcscript.SigHashAll,
compress: true,
scriptAtWrongIndex: false,
},
{
name: "two inputs compressed",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, compressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
{
txout: btcwire.NewTxOut(coinbaseVal+fee, compressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
},
hashtype: btcscript.SigHashAll,
compress: true,
scriptAtWrongIndex: false,
},
{
name: "hashtype SigHashNone",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, uncompressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
},
hashtype: btcscript.SigHashNone,
compress: false,
scriptAtWrongIndex: false,
},
{
name: "hashtype SigHashSingle",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, uncompressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
},
hashtype: btcscript.SigHashSingle,
compress: false,
scriptAtWrongIndex: false,
},
{
name: "hashtype SigHashAnyoneCanPay",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, uncompressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
},
hashtype: btcscript.SigHashAnyOneCanPay,
compress: false,
scriptAtWrongIndex: false,
},
{
name: "hashtype non-standard",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, uncompressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
},
hashtype: 0x04,
compress: false,
scriptAtWrongIndex: false,
},
{
name: "invalid compression",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, uncompressedPkScript),
sigscriptGenerates: true,
inputValidates: false,
indexOutOfRange: false,
},
},
hashtype: btcscript.SigHashAll,
compress: true,
scriptAtWrongIndex: false,
},
{
name: "short PkScript",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, shortPkScript),
sigscriptGenerates: false,
indexOutOfRange: false,
},
},
hashtype: btcscript.SigHashAll,
compress: false,
scriptAtWrongIndex: false,
},
{
name: "valid script at wrong index",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, uncompressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
{
txout: btcwire.NewTxOut(coinbaseVal+fee, uncompressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
},
hashtype: btcscript.SigHashAll,
compress: false,
scriptAtWrongIndex: true,
},
{
name: "index out of range",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, uncompressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
{
txout: btcwire.NewTxOut(coinbaseVal+fee, uncompressedPkScript),
sigscriptGenerates: true,
inputValidates: true,
indexOutOfRange: false,
},
},
hashtype: btcscript.SigHashAll,
compress: false,
scriptAtWrongIndex: true,
},
{
name: "invalid reader",
inputs: []TstInput{
{
txout: btcwire.NewTxOut(coinbaseVal, uncompressedPkScript),
invalidReader: true,
sigscriptGenerates: false,
},
},
hashtype: btcscript.SigHashAll,
compress: false,
scriptAtWrongIndex: true,
},
}
// Test the sigscript generation for valid and invalid inputs, all
// hashtypes, and with and without compression. This test creates
// sigscripts to spend fake coinbase inputs, as sigscripts cannot be
// created for the MsgTxs in txTests, since they come from the blockchain
// and we don't have the private keys.
func TestSignatureScript(t *testing.T) {
privkey := &ecdsa.PrivateKey{
PublicKey: ecdsa.PublicKey{
Curve: btcec.S256(),
X: new(big.Int),
Y: new(big.Int),
},
D: new(big.Int),
}
privkey.D.SetBytes(privkeyD)
privkey.PublicKey.X.SetBytes(pubkeyX)
privkey.PublicKey.Y.SetBytes(pubkeyY)
nexttest:
for i := range SigScriptTests {
tx := btcwire.NewMsgTx()
output := btcwire.NewTxOut(500, []byte{btcscript.OP_RETURN})
tx.AddTxOut(output)
for _ = range SigScriptTests[i].inputs {
txin := btcwire.NewTxIn(coinbaseOutPoint, nil)
tx.AddTxIn(txin)
}
var script []byte
var err error
for j := range tx.TxIn {
var idx int
if SigScriptTests[i].inputs[j].indexOutOfRange {
t.Errorf("at test %v", SigScriptTests[i].name)
idx = len(SigScriptTests[i].inputs)
} else {
idx = j
}
if SigScriptTests[i].inputs[j].invalidReader {
script, err = btcscript.TstSignatureScriptCustomReader(
new(bytes.Buffer), tx, idx,
SigScriptTests[i].inputs[j].txout.PkScript,
SigScriptTests[i].hashtype,
privkey,
SigScriptTests[i].compress)
} else {
script, err = btcscript.SignatureScript(tx, idx,
SigScriptTests[i].inputs[j].txout.PkScript,
SigScriptTests[i].hashtype,
privkey,
SigScriptTests[i].compress)
}
if (err == nil) != SigScriptTests[i].inputs[j].sigscriptGenerates {
if err == nil {
t.Errorf("passed test '%v' incorrectly",
SigScriptTests[i].name)
} else {
t.Errorf("failed test '%v': %v",
SigScriptTests[i].name, err)
}
continue nexttest
}
if !SigScriptTests[i].inputs[j].sigscriptGenerates {
// done with this test
continue nexttest
}
tx.TxIn[j].SignatureScript = script
}
// If testing using a correct sigscript but for an incorrect
// index, use last input script for first input. Requires > 0
// inputs for test.
if SigScriptTests[i].scriptAtWrongIndex {
tx.TxIn[0].SignatureScript = script
SigScriptTests[i].inputs[0].inputValidates = false
}
// Validate tx input scripts
scriptFlags := btcscript.ScriptBip16 | btcscript.ScriptCanonicalSignatures
for j, txin := range tx.TxIn {
engine, err := btcscript.NewScript(txin.SignatureScript,
SigScriptTests[i].inputs[j].txout.PkScript,
j, tx, scriptFlags)
if err != nil {
t.Errorf("cannot create script vm for test %v: %v",
SigScriptTests[i].name, err)
continue nexttest
}
err = engine.Execute()
if (err == nil) != SigScriptTests[i].inputs[j].inputValidates {
if err == nil {
t.Errorf("passed test '%v' validation incorrectly: %v",
SigScriptTests[i].name, err)
} else {
t.Errorf("failed test '%v' validation: %v",
SigScriptTests[i].name, err)
}
continue nexttest
}
}
}
}
var classStringifyTests = []struct {
name string
scriptclass btcscript.ScriptClass
stringed string
}{
{
name: "nonstandardty",
scriptclass: btcscript.NonStandardTy,
stringed: "nonstandard",
},
{
name: "pubkey",
scriptclass: btcscript.PubKeyTy,
stringed: "pubkey",
},
{
name: "pubkeyhash",
scriptclass: btcscript.PubKeyHashTy,
stringed: "pubkeyhash",
},
{
name: "scripthash",
scriptclass: btcscript.ScriptHashTy,
stringed: "scripthash",
},
{
name: "multisigty",
scriptclass: btcscript.MultiSigTy,
stringed: "multisig",
},
{
name: "nulldataty",
scriptclass: btcscript.NullDataTy,
stringed: "nulldata",
},
{
name: "broken",
scriptclass: btcscript.ScriptClass(255),
stringed: "Invalid",
},
}
func TestStringifyClass(t *testing.T) {
for _, test := range classStringifyTests {
typeString := test.scriptclass.String()
if typeString != test.stringed {
t.Errorf("%s: got \"%s\" expected \"%s\"", test.name,
typeString, test.stringed)
}
}
}
// bogusAddress implements the btcutil.Address interface so the tests can ensure
// unsupported address types are handled properly.
type bogusAddress struct{}
// EncodeAddress simply returns an empty string. It exists to satsify the
// btcutil.Address interface.
func (b *bogusAddress) EncodeAddress() string {
return ""
}
// ScriptAddress simply returns an empty byte slice. It exists to satsify the
// btcutil.Address interface.
func (b *bogusAddress) ScriptAddress() []byte {
return []byte{}
}
func TestPayToAddrScript(t *testing.T) {
// 1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX
p2pkhMain, err := btcutil.NewAddressPubKeyHash([]byte{
0xe3, 0x4c, 0xce, 0x70, 0xc8, 0x63, 0x73, 0x27, 0x3e, 0xfc,
0xc5, 0x4c, 0xe7, 0xd2, 0xa4, 0x91, 0xbb, 0x4a, 0x0e, 0x84,
}, btcwire.MainNet)
if err != nil {
t.Errorf("Unable to create public key hash address: %v", err)
return
}
// Taken from transaction:
// b0539a45de13b3e0403909b8bd1a555b8cbe45fd4e3f3fda76f3a5f52835c29d
p2shMain, _ := btcutil.NewAddressScriptHashFromHash([]byte{
0xe8, 0xc3, 0x00, 0xc8, 0x79, 0x86, 0xef, 0xa8, 0x4c, 0x37,
0xc0, 0x51, 0x99, 0x29, 0x01, 0x9e, 0xf8, 0x6e, 0xb5, 0xb4,
}, btcwire.MainNet)
if err != nil {
t.Errorf("Unable to create script hash address: %v", err)
return
}
tests := []struct {
in btcutil.Address
expected []byte
err error
}{
// pay-to-pubkey-hash address on mainnet
{
p2pkhMain,
[]byte{
0x76, 0xa9, 0x14, 0xe3, 0x4c, 0xce, 0x70, 0xc8,
0x63, 0x73, 0x27, 0x3e, 0xfc, 0xc5, 0x4c, 0xe7,
0xd2, 0xa4, 0x91, 0xbb, 0x4a, 0x0e, 0x84, 0x88,
0xac,
},
nil,
},
// pay-to-script-hash address on mainnet
{
p2shMain,
[]byte{
0xa9, 0x14, 0xe8, 0xc3, 0x00, 0xc8, 0x79, 0x86,
0xef, 0xa8, 0x4c, 0x37, 0xc0, 0x51, 0x99, 0x29,
0x01, 0x9e, 0xf8, 0x6e, 0xb5, 0xb4, 0x87,
},
nil,
},
// Supported address types with nil pointers.
{(*btcutil.AddressPubKeyHash)(nil), []byte{}, btcscript.ErrUnsupportedAddress},
{(*btcutil.AddressScriptHash)(nil), []byte{}, btcscript.ErrUnsupportedAddress},
// Unsupported address type.
{&bogusAddress{}, []byte{}, btcscript.ErrUnsupportedAddress},
}
t.Logf("Running %d tests", len(tests))
for i, test := range tests {
pkScript, err := btcscript.PayToAddrScript(test.in)
if err != test.err {
t.Errorf("PayToAddrScript #%d unexpected error - "+
"got %v, want %v", i, err, test.err)
continue
}
if !bytes.Equal(pkScript, test.expected) {
t.Errorf("PayToAddrScript #%d got: %x\nwant: %x",
i, pkScript, test.expected)
continue
}
}
}
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