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dnsseeder/vendor/github.com/btcsuite/btcd/txscript/standard_test.go

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// Copyright (c) 2013-2015 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package txscript_test
import (
"bytes"
"encoding/hex"
"reflect"
"testing"
"github.com/btcsuite/btcd/chaincfg"
"github.com/btcsuite/btcd/txscript"
"github.com/btcsuite/btcutil"
)
// decodeHex decodes the passed hex string and returns the resulting bytes. It
// panics if an error occurs. This is only used in the tests as a helper since
// the only way it can fail is if there is an error in the test source code.
func decodeHex(hexStr string) []byte {
b, err := hex.DecodeString(hexStr)
if err != nil {
panic("invalid hex string in test source: err " + err.Error() +
", hex: " + hexStr)
}
return b
}
// mustParseShortForm parses the passed short form script and returns the
// resulting bytes. It panics if an error occurs. This is only used in the
// tests as a helper since the only way it can fail is if there is an error in
// the test source code.
func mustParseShortForm(script string) []byte {
s, err := parseShortForm(script)
if err != nil {
panic("invalid short form script in test source: err " +
err.Error() + ", script: " + script)
}
return s
}
// newAddressPubKey returns a new btcutil.AddressPubKey from the provided
// serialized public key. It panics if an error occurs. This is only used in
// the tests as a helper since the only way it can fail is if there is an error
// in the test source code.
func newAddressPubKey(serializedPubKey []byte) btcutil.Address {
addr, err := btcutil.NewAddressPubKey(serializedPubKey,
&chaincfg.MainNetParams)
if err != nil {
panic("invalid public key in test source")
}
return addr
}
// newAddressPubKeyHash returns a new btcutil.AddressPubKeyHash from the
// provided hash. It panics if an error occurs. This is only used in the tests
// as a helper since the only way it can fail is if there is an error in the
// test source code.
func newAddressPubKeyHash(pkHash []byte) btcutil.Address {
addr, err := btcutil.NewAddressPubKeyHash(pkHash, &chaincfg.MainNetParams)
if err != nil {
panic("invalid public key hash in test source")
}
return addr
}
// newAddressScriptHash returns a new btcutil.AddressScriptHash from the
// provided hash. It panics if an error occurs. This is only used in the tests
// as a helper since the only way it can fail is if there is an error in the
// test source code.
func newAddressScriptHash(scriptHash []byte) btcutil.Address {
addr, err := btcutil.NewAddressScriptHashFromHash(scriptHash,
&chaincfg.MainNetParams)
if err != nil {
panic("invalid script hash in test source")
}
return addr
}
// TestExtractPkScriptAddrs ensures that extracting the type, addresses, and
// number of required signatures from PkScripts works as intended.
func TestExtractPkScriptAddrs(t *testing.T) {
t.Parallel()
tests := []struct {
name string
script []byte
addrs []btcutil.Address
reqSigs int
class txscript.ScriptClass
}{
{
name: "standard p2pk with compressed pubkey (0x02)",
script: decodeHex("2102192d74d0cb94344c9569c2e7790157" +
"3d8d7903c3ebec3a957724895dca52c6b4ac"),
addrs: []btcutil.Address{
newAddressPubKey(decodeHex("02192d74d0cb94344" +
"c9569c2e77901573d8d7903c3ebec3a95772" +
"4895dca52c6b4")),
},
reqSigs: 1,
class: txscript.PubKeyTy,
},
{
name: "standard p2pk with uncompressed pubkey (0x04)",
script: decodeHex("410411db93e1dcdb8a016b49840f8c53bc" +
"1eb68a382e97b1482ecad7b148a6909a5cb2e0eaddfb" +
"84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643" +
"f656b412a3ac"),
addrs: []btcutil.Address{
newAddressPubKey(decodeHex("0411db93e1dcdb8a0" +
"16b49840f8c53bc1eb68a382e97b1482ecad" +
"7b148a6909a5cb2e0eaddfb84ccf9744464f" +
"82e160bfa9b8b64f9d4c03f999b8643f656b" +
"412a3")),
},
reqSigs: 1,
class: txscript.PubKeyTy,
},
{
name: "standard p2pk with hybrid pubkey (0x06)",
script: decodeHex("4106192d74d0cb94344c9569c2e7790157" +
"3d8d7903c3ebec3a957724895dca52c6b40d45264838" +
"c0bd96852662ce6a847b197376830160c6d2eb5e6a4c" +
"44d33f453eac"),
addrs: []btcutil.Address{
newAddressPubKey(decodeHex("06192d74d0cb94344" +
"c9569c2e77901573d8d7903c3ebec3a95772" +
"4895dca52c6b40d45264838c0bd96852662c" +
"e6a847b197376830160c6d2eb5e6a4c44d33" +
"f453e")),
},
reqSigs: 1,
class: txscript.PubKeyTy,
},
{
name: "standard p2pk with compressed pubkey (0x03)",
script: decodeHex("2103b0bd634234abbb1ba1e986e884185c" +
"61cf43e001f9137f23c2c409273eb16e65ac"),
addrs: []btcutil.Address{
newAddressPubKey(decodeHex("03b0bd634234abbb1" +
"ba1e986e884185c61cf43e001f9137f23c2c" +
"409273eb16e65")),
},
reqSigs: 1,
class: txscript.PubKeyTy,
},
{
name: "2nd standard p2pk with uncompressed pubkey (0x04)",
script: decodeHex("4104b0bd634234abbb1ba1e986e884185c" +
"61cf43e001f9137f23c2c409273eb16e6537a576782e" +
"ba668a7ef8bd3b3cfb1edb7117ab65129b8a2e681f3c" +
"1e0908ef7bac"),
addrs: []btcutil.Address{
newAddressPubKey(decodeHex("04b0bd634234abbb1" +
"ba1e986e884185c61cf43e001f9137f23c2c" +
"409273eb16e6537a576782eba668a7ef8bd3" +
"b3cfb1edb7117ab65129b8a2e681f3c1e090" +
"8ef7b")),
},
reqSigs: 1,
class: txscript.PubKeyTy,
},
{
name: "standard p2pk with hybrid pubkey (0x07)",
script: decodeHex("4107b0bd634234abbb1ba1e986e884185c" +
"61cf43e001f9137f23c2c409273eb16e6537a576782e" +
"ba668a7ef8bd3b3cfb1edb7117ab65129b8a2e681f3c" +
"1e0908ef7bac"),
addrs: []btcutil.Address{
newAddressPubKey(decodeHex("07b0bd634234abbb1" +
"ba1e986e884185c61cf43e001f9137f23c2c" +
"409273eb16e6537a576782eba668a7ef8bd3" +
"b3cfb1edb7117ab65129b8a2e681f3c1e090" +
"8ef7b")),
},
reqSigs: 1,
class: txscript.PubKeyTy,
},
{
name: "standard p2pkh",
script: decodeHex("76a914ad06dd6ddee55cbca9a9e3713bd7" +
"587509a3056488ac"),
addrs: []btcutil.Address{
newAddressPubKeyHash(decodeHex("ad06dd6ddee55" +
"cbca9a9e3713bd7587509a30564")),
},
reqSigs: 1,
class: txscript.PubKeyHashTy,
},
{
name: "standard p2sh",
script: decodeHex("a91463bcc565f9e68ee0189dd5cc67f1b0" +
"e5f02f45cb87"),
addrs: []btcutil.Address{
newAddressScriptHash(decodeHex("63bcc565f9e68" +
"ee0189dd5cc67f1b0e5f02f45cb")),
},
reqSigs: 1,
class: txscript.ScriptHashTy,
},
// from real tx 60a20bd93aa49ab4b28d514ec10b06e1829ce6818ec06cd3aabd013ebcdc4bb1, vout 0
{
name: "standard 1 of 2 multisig",
script: decodeHex("514104cc71eb30d653c0c3163990c47b97" +
"6f3fb3f37cccdcbedb169a1dfef58bbfbfaff7d8a473" +
"e7e2e6d317b87bafe8bde97e3cf8f065dec022b51d11" +
"fcdd0d348ac4410461cbdcc5409fb4b4d42b51d33381" +
"354d80e550078cb532a34bfa2fcfdeb7d76519aecc62" +
"770f5b0e4ef8551946d8a540911abe3e7854a26f39f5" +
"8b25c15342af52ae"),
addrs: []btcutil.Address{
newAddressPubKey(decodeHex("04cc71eb30d653c0c" +
"3163990c47b976f3fb3f37cccdcbedb169a1" +
"dfef58bbfbfaff7d8a473e7e2e6d317b87ba" +
"fe8bde97e3cf8f065dec022b51d11fcdd0d3" +
"48ac4")),
newAddressPubKey(decodeHex("0461cbdcc5409fb4b" +
"4d42b51d33381354d80e550078cb532a34bf" +
"a2fcfdeb7d76519aecc62770f5b0e4ef8551" +
"946d8a540911abe3e7854a26f39f58b25c15" +
"342af")),
},
reqSigs: 1,
class: txscript.MultiSigTy,
},
// from real tx d646f82bd5fbdb94a36872ce460f97662b80c3050ad3209bef9d1e398ea277ab, vin 1
{
name: "standard 2 of 3 multisig",
script: decodeHex("524104cb9c3c222c5f7a7d3b9bd152f363" +
"a0b6d54c9eb312c4d4f9af1e8551b6c421a6a4ab0e29" +
"105f24de20ff463c1c91fcf3bf662cdde4783d4799f7" +
"87cb7c08869b4104ccc588420deeebea22a7e900cc8b" +
"68620d2212c374604e3487ca08f1ff3ae12bdc639514" +
"d0ec8612a2d3c519f084d9a00cbbe3b53d071e9b09e7" +
"1e610b036aa24104ab47ad1939edcb3db65f7fedea62" +
"bbf781c5410d3f22a7a3a56ffefb2238af8627363bdf" +
"2ed97c1f89784a1aecdb43384f11d2acc64443c7fc29" +
"9cef0400421a53ae"),
addrs: []btcutil.Address{
newAddressPubKey(decodeHex("04cb9c3c222c5f7a7" +
"d3b9bd152f363a0b6d54c9eb312c4d4f9af1" +
"e8551b6c421a6a4ab0e29105f24de20ff463" +
"c1c91fcf3bf662cdde4783d4799f787cb7c0" +
"8869b")),
newAddressPubKey(decodeHex("04ccc588420deeebe" +
"a22a7e900cc8b68620d2212c374604e3487c" +
"a08f1ff3ae12bdc639514d0ec8612a2d3c51" +
"9f084d9a00cbbe3b53d071e9b09e71e610b0" +
"36aa2")),
newAddressPubKey(decodeHex("04ab47ad1939edcb3" +
"db65f7fedea62bbf781c5410d3f22a7a3a56" +
"ffefb2238af8627363bdf2ed97c1f89784a1" +
"aecdb43384f11d2acc64443c7fc299cef040" +
"0421a")),
},
reqSigs: 2,
class: txscript.MultiSigTy,
},
// The below are nonstandard script due to things such as
// invalid pubkeys, failure to parse, and not being of a
// standard form.
{
name: "p2pk with uncompressed pk missing OP_CHECKSIG",
script: decodeHex("410411db93e1dcdb8a016b49840f8c53bc" +
"1eb68a382e97b1482ecad7b148a6909a5cb2e0eaddfb" +
"84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643" +
"f656b412a3"),
addrs: nil,
reqSigs: 0,
class: txscript.NonStandardTy,
},
{
name: "valid signature from a sigscript - no addresses",
script: decodeHex("47304402204e45e16932b8af514961a1d3" +
"a1a25fdf3f4f7732e9d624c6c61548ab5fb8cd410220" +
"181522ec8eca07de4860a4acdd12909d831cc56cbbac" +
"4622082221a8768d1d0901"),
addrs: nil,
reqSigs: 0,
class: txscript.NonStandardTy,
},
// Note the technically the pubkey is the second item on the
// stack, but since the address extraction intentionally only
// works with standard PkScripts, this should not return any
// addresses.
{
name: "valid sigscript to reedeem p2pk - no addresses",
script: decodeHex("493046022100ddc69738bf2336318e4e04" +
"1a5a77f305da87428ab1606f023260017854350ddc02" +
"2100817af09d2eec36862d16009852b7e3a0f6dd7659" +
"8290b7834e1453660367e07a014104cd4240c198e125" +
"23b6f9cb9f5bed06de1ba37e96a1bbd13745fcf9d11c" +
"25b1dff9a519675d198804ba9962d3eca2d5937d58e5" +
"a75a71042d40388a4d307f887d"),
addrs: nil,
reqSigs: 0,
class: txscript.NonStandardTy,
},
// from real tx 691dd277dc0e90a462a3d652a1171686de49cf19067cd33c7df0392833fb986a, vout 0
// invalid public keys
{
name: "1 of 3 multisig with invalid pubkeys",
script: decodeHex("51411c2200007353455857696b696c6561" +
"6b73204361626c6567617465204261636b75700a0a63" +
"61626c65676174652d3230313031323034313831312e" +
"377a0a0a446f41776e6c6f61642074686520666f6c6c" +
"6f77696e67207472616e73616374696f6e7320776974" +
"68205361746f736869204e616b616d6f746f27732064" +
"6f776e6c6f61416420746f6f6c2077686963680a6361" +
"6e20626520666f756e6420696e207472616e73616374" +
"696f6e20366335336364393837313139656637393764" +
"35616463636453ae"),
addrs: []btcutil.Address{},
reqSigs: 1,
class: txscript.MultiSigTy,
},
// from real tx: 691dd277dc0e90a462a3d652a1171686de49cf19067cd33c7df0392833fb986a, vout 44
// invalid public keys
{
name: "1 of 3 multisig with invalid pubkeys 2",
script: decodeHex("5141346333656332353963373464616365" +
"36666430383862343463656638630a63363662633139" +
"39366338623934613338313162333635363138666531" +
"65396231623541366361636365393933613339383861" +
"34363966636336643664616266640a32363633636661" +
"39636634633033633630396335393363336539316665" +
"64653730323921313233646434326432353633396433" +
"38613663663530616234636434340a00000053ae"),
addrs: []btcutil.Address{},
reqSigs: 1,
class: txscript.MultiSigTy,
},
{
name: "empty script",
script: []byte{},
addrs: nil,
reqSigs: 0,
class: txscript.NonStandardTy,
},
{
name: "script that does not parse",
script: []byte{txscript.OP_DATA_45},
addrs: nil,
reqSigs: 0,
class: txscript.NonStandardTy,
},
}
t.Logf("Running %d tests.", len(tests))
for i, test := range tests {
class, addrs, reqSigs, err := txscript.ExtractPkScriptAddrs(
test.script, &chaincfg.MainNetParams)
if err != nil {
}
if !reflect.DeepEqual(addrs, test.addrs) {
t.Errorf("ExtractPkScriptAddrs #%d (%s) unexpected "+
"addresses\ngot %v\nwant %v", i, test.name,
addrs, test.addrs)
continue
}
if reqSigs != test.reqSigs {
t.Errorf("ExtractPkScriptAddrs #%d (%s) unexpected "+
"number of required signatures - got %d, "+
"want %d", i, test.name, reqSigs, test.reqSigs)
continue
}
if class != test.class {
t.Errorf("ExtractPkScriptAddrs #%d (%s) unexpected "+
"script type - got %s, want %s", i, test.name,
class, test.class)
continue
}
}
}
// TestCalcScriptInfo ensures the CalcScriptInfo provides the expected results
// for various valid and invalid script pairs.
func TestCalcScriptInfo(t *testing.T) {
t.Parallel()
tests := []struct {
name string
sigScript string
pkScript string
bip16 bool
scriptInfo txscript.ScriptInfo
scriptInfoErr error
}{
{
// Invented scripts, the hashes do not match
// Truncated version of test below:
name: "pkscript doesn't parse",
sigScript: "1 81 DATA_8 2DUP EQUAL NOT VERIFY ABS " +
"SWAP ABS EQUAL",
pkScript: "HASH160 DATA_20 0xfe441065b6532231de2fac56" +
"3152205ec4f59c",
bip16: true,
scriptInfoErr: txscript.ErrStackShortScript,
},
{
name: "sigScript doesn't parse",
// Truncated version of p2sh script below.
sigScript: "1 81 DATA_8 2DUP EQUAL NOT VERIFY ABS " +
"SWAP ABS",
pkScript: "HASH160 DATA_20 0xfe441065b6532231de2fac56" +
"3152205ec4f59c74 EQUAL",
bip16: true,
scriptInfoErr: txscript.ErrStackShortScript,
},
{
// Invented scripts, the hashes do not match
name: "p2sh standard script",
sigScript: "1 81 DATA_25 DUP HASH160 DATA_20 0x010203" +
"0405060708090a0b0c0d0e0f1011121314 EQUALVERIFY " +
"CHECKSIG",
pkScript: "HASH160 DATA_20 0xfe441065b6532231de2fac56" +
"3152205ec4f59c74 EQUAL",
bip16: true,
scriptInfo: txscript.ScriptInfo{
PkScriptClass: txscript.ScriptHashTy,
NumInputs: 3,
ExpectedInputs: 3, // nonstandard p2sh.
SigOps: 1,
},
},
{
// from 567a53d1ce19ce3d07711885168484439965501536d0d0294c5d46d46c10e53b
// from the blockchain.
name: "p2sh nonstandard script",
sigScript: "1 81 DATA_8 2DUP EQUAL NOT VERIFY ABS " +
"SWAP ABS EQUAL",
pkScript: "HASH160 DATA_20 0xfe441065b6532231de2fac56" +
"3152205ec4f59c74 EQUAL",
bip16: true,
scriptInfo: txscript.ScriptInfo{
PkScriptClass: txscript.ScriptHashTy,
NumInputs: 3,
ExpectedInputs: -1, // nonstandard p2sh.
SigOps: 0,
},
},
{
// Script is invented, numbers all fake.
name: "multisig script",
// Extra 0 arg on the end for OP_CHECKMULTISIG bug.
sigScript: "1 1 1 0",
pkScript: "3 " +
"DATA_33 0x0102030405060708090a0b0c0d0e0f1011" +
"12131415161718191a1b1c1d1e1f2021 DATA_33 " +
"0x0102030405060708090a0b0c0d0e0f101112131415" +
"161718191a1b1c1d1e1f2021 DATA_33 0x010203040" +
"5060708090a0b0c0d0e0f101112131415161718191a1" +
"b1c1d1e1f2021 3 CHECKMULTISIG",
bip16: true,
scriptInfo: txscript.ScriptInfo{
PkScriptClass: txscript.MultiSigTy,
NumInputs: 4,
ExpectedInputs: 4,
SigOps: 3,
},
},
}
for _, test := range tests {
sigScript := mustParseShortForm(test.sigScript)
pkScript := mustParseShortForm(test.pkScript)
si, err := txscript.CalcScriptInfo(sigScript, 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
}
}
}
// 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 nil
}
// IsForNet lies blatantly to satisfy the btcutil.Address interface.
func (b *bogusAddress) IsForNet(chainParams *chaincfg.Params) bool {
return true // why not?
}
// String simply returns an empty string. It exists to satsify the
// btcutil.Address interface.
func (b *bogusAddress) String() string {
return ""
}
// TestPayToAddrScript ensures the PayToAddrScript function generates the
// correct scripts for the various types of addresses.
func TestPayToAddrScript(t *testing.T) {
t.Parallel()
// 1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX
p2pkhMain, err := btcutil.NewAddressPubKeyHash(decodeHex("e34cce70c863"+
"73273efcc54ce7d2a491bb4a0e84"), &chaincfg.MainNetParams)
if err != nil {
t.Errorf("Unable to create public key hash address: %v", err)
return
}
// Taken from transaction:
// b0539a45de13b3e0403909b8bd1a555b8cbe45fd4e3f3fda76f3a5f52835c29d
p2shMain, _ := btcutil.NewAddressScriptHashFromHash(decodeHex("e8c300"+
"c87986efa84c37c0519929019ef86eb5b4"), &chaincfg.MainNetParams)
if err != nil {
t.Errorf("Unable to create script hash address: %v", err)
return
}
// mainnet p2pk 13CG6SJ3yHUXo4Cr2RY4THLLJrNFuG3gUg
p2pkCompressedMain, err := btcutil.NewAddressPubKey(decodeHex("02192d74"+
"d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b4"),
&chaincfg.MainNetParams)
if err != nil {
t.Errorf("Unable to create pubkey address (compressed): %v",
err)
return
}
p2pkCompressed2Main, err := btcutil.NewAddressPubKey(decodeHex("03b0bd"+
"634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e65"),
&chaincfg.MainNetParams)
if err != nil {
t.Errorf("Unable to create pubkey address (compressed 2): %v",
err)
return
}
p2pkUncompressedMain, err := btcutil.NewAddressPubKey(decodeHex("0411db"+
"93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5cb2"+
"e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3"),
&chaincfg.MainNetParams)
if err != nil {
t.Errorf("Unable to create pubkey address (uncompressed): %v",
err)
return
}
tests := []struct {
in btcutil.Address
expected string
err error
}{
// pay-to-pubkey-hash address on mainnet
{
p2pkhMain,
"DUP HASH160 DATA_20 0xe34cce70c86373273efcc54ce7d2a4" +
"91bb4a0e8488 CHECKSIG",
nil,
},
// pay-to-script-hash address on mainnet
{
p2shMain,
"HASH160 DATA_20 0xe8c300c87986efa84c37c0519929019ef8" +
"6eb5b4 EQUAL",
nil,
},
// pay-to-pubkey address on mainnet. compressed key.
{
p2pkCompressedMain,
"DATA_33 0x02192d74d0cb94344c9569c2e77901573d8d7903c3" +
"ebec3a957724895dca52c6b4 CHECKSIG",
nil,
},
// pay-to-pubkey address on mainnet. compressed key (other way).
{
p2pkCompressed2Main,
"DATA_33 0x03b0bd634234abbb1ba1e986e884185c61cf43e001" +
"f9137f23c2c409273eb16e65 CHECKSIG",
nil,
},
// pay-to-pubkey address on mainnet. uncompressed key.
{
p2pkUncompressedMain,
"DATA_65 0x0411db93e1dcdb8a016b49840f8c53bc1eb68a382e" +
"97b1482ecad7b148a6909a5cb2e0eaddfb84ccf97444" +
"64f82e160bfa9b8b64f9d4c03f999b8643f656b412a3 " +
"CHECKSIG",
nil,
},
// Supported address types with nil pointers.
{(*btcutil.AddressPubKeyHash)(nil), "", txscript.ErrUnsupportedAddress},
{(*btcutil.AddressScriptHash)(nil), "", txscript.ErrUnsupportedAddress},
{(*btcutil.AddressPubKey)(nil), "", txscript.ErrUnsupportedAddress},
// Unsupported address type.
{&bogusAddress{}, "", txscript.ErrUnsupportedAddress},
}
t.Logf("Running %d tests", len(tests))
for i, test := range tests {
pkScript, err := txscript.PayToAddrScript(test.in)
if err != test.err {
t.Errorf("PayToAddrScript #%d unexpected error - "+
"got %v, want %v", i, err, test.err)
continue
}
expected := mustParseShortForm(test.expected)
if !bytes.Equal(pkScript, expected) {
t.Errorf("PayToAddrScript #%d got: %x\nwant: %x",
i, pkScript, expected)
continue
}
}
}
// TestMultiSigScript ensures the MultiSigScript function returns the expected
// scripts and errors.
func TestMultiSigScript(t *testing.T) {
t.Parallel()
// mainnet p2pk 13CG6SJ3yHUXo4Cr2RY4THLLJrNFuG3gUg
p2pkCompressedMain, err := btcutil.NewAddressPubKey(decodeHex("02192d7"+
"4d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b4"),
&chaincfg.MainNetParams)
if err != nil {
t.Errorf("Unable to create pubkey address (compressed): %v",
err)
return
}
p2pkCompressed2Main, err := btcutil.NewAddressPubKey(decodeHex("03b0bd"+
"634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e65"),
&chaincfg.MainNetParams)
if err != nil {
t.Errorf("Unable to create pubkey address (compressed 2): %v",
err)
return
}
p2pkUncompressedMain, err := btcutil.NewAddressPubKey(decodeHex("0411d"+
"b93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5c"+
"b2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b41"+
"2a3"), &chaincfg.MainNetParams)
if err != nil {
t.Errorf("Unable to create pubkey address (uncompressed): %v",
err)
return
}
tests := []struct {
keys []*btcutil.AddressPubKey
nrequired int
expected string
err error
}{
{
[]*btcutil.AddressPubKey{
p2pkCompressedMain,
p2pkCompressed2Main,
},
1,
"1 DATA_33 0x02192d74d0cb94344c9569c2e77901573d8d7903c" +
"3ebec3a957724895dca52c6b4 DATA_33 0x03b0bd634" +
"234abbb1ba1e986e884185c61cf43e001f9137f23c2c4" +
"09273eb16e65 2 CHECKMULTISIG",
nil,
},
{
[]*btcutil.AddressPubKey{
p2pkCompressedMain,
p2pkCompressed2Main,
},
2,
"2 DATA_33 0x02192d74d0cb94344c9569c2e77901573d8d7903c" +
"3ebec3a957724895dca52c6b4 DATA_33 0x03b0bd634" +
"234abbb1ba1e986e884185c61cf43e001f9137f23c2c4" +
"09273eb16e65 2 CHECKMULTISIG",
nil,
},
{
[]*btcutil.AddressPubKey{
p2pkCompressedMain,
p2pkCompressed2Main,
},
3,
"",
txscript.ErrBadNumRequired,
},
{
[]*btcutil.AddressPubKey{
p2pkUncompressedMain,
},
1,
"1 DATA_65 0x0411db93e1dcdb8a016b49840f8c53bc1eb68a382" +
"e97b1482ecad7b148a6909a5cb2e0eaddfb84ccf97444" +
"64f82e160bfa9b8b64f9d4c03f999b8643f656b412a3 " +
"1 CHECKMULTISIG",
nil,
},
{
[]*btcutil.AddressPubKey{
p2pkUncompressedMain,
},
2,
"",
txscript.ErrBadNumRequired,
},
}
t.Logf("Running %d tests", len(tests))
for i, test := range tests {
script, err := txscript.MultiSigScript(test.keys,
test.nrequired)
if err != test.err {
t.Errorf("MultiSigScript #%d unexpected error - "+
"got %v, want %v", i, err, test.err)
continue
}
expected := mustParseShortForm(test.expected)
if !bytes.Equal(script, expected) {
t.Errorf("MultiSigScript #%d got: %x\nwant: %x",
i, script, expected)
continue
}
}
}
// TestCalcMultiSigStats ensures the CalcMutliSigStats function returns the
// expected errors.
func TestCalcMultiSigStats(t *testing.T) {
t.Parallel()
tests := []struct {
name string
script string
err error
}{
{
name: "short script",
script: "0x046708afdb0fe5548271967f1a67130b7105cd6a828" +
"e03909a67962e0ea1f61d",
err: txscript.ErrStackShortScript,
},
{
name: "stack underflow",
script: "RETURN DATA_41 0x046708afdb0fe5548271967f1a" +
"67130b7105cd6a828e03909a67962e0ea1f61deb649f6" +
"bc3f4cef308",
err: txscript.ErrStackUnderflow,
},
{
name: "multisig script",
script: "0 DATA_72 0x30450220106a3e4ef0b51b764a2887226" +
"2ffef55846514dacbdcbbdd652c849d395b4384022100" +
"e03ae554c3cbb40600d31dd46fc33f25e47bf8525b1fe" +
"07282e3b6ecb5f3bb2801 CODESEPARATOR 1 DATA_33 " +
"0x0232abdc893e7f0631364d7fd01cb33d24da45329a0" +
"0357b3a7886211ab414d55a 1 CHECKMULTISIG",
err: nil,
},
}
for i, test := range tests {
script := mustParseShortForm(test.script)
if _, _, err := txscript.CalcMultiSigStats(script); err != test.err {
t.Errorf("CalcMultiSigStats #%d (%s) unexpected "+
"error\ngot: %v\nwant: %v", i, test.name, err,
test.err)
}
}
}
// scriptClassTest houses a test used to ensure various scripts have the
// expected class.
type scriptClassTest struct {
name string
script string
class txscript.ScriptClass
}
// scriptClassTests houses several test scripts used to ensure various class
// determination is working as expected. It's defined as a test global versus
// inside a function scope since this spans both the standard tests and the
// consensus tests (pay-to-script-hash is part of consensus).
var scriptClassTests = []scriptClassTest{
{
name: "Pay Pubkey",
script: "DATA_65 0x0411db93e1dcdb8a016b49840f8c53bc1eb68a382e" +
"97b1482ecad7b148a6909a5cb2e0eaddfb84ccf9744464f82e16" +
"0bfa9b8b64f9d4c03f999b8643f656b412a3 CHECKSIG",
class: txscript.PubKeyTy,
},
// tx 599e47a8114fe098103663029548811d2651991b62397e057f0c863c2bc9f9ea
{
name: "Pay PubkeyHash",
script: "DUP HASH160 DATA_20 0x660d4ef3a743e3e696ad990364e555" +
"c271ad504b EQUALVERIFY CHECKSIG",
class: txscript.PubKeyHashTy,
},
// part of tx 6d36bc17e947ce00bb6f12f8e7a56a1585c5a36188ffa2b05e10b4743273a74b
// codeseparator parts have been elided. (bitcoin core's checks for
// multisig type doesn't have codesep either).
{
name: "multisig",
script: "1 DATA_33 0x0232abdc893e7f0631364d7fd01cb33d24da4" +
"5329a00357b3a7886211ab414d55a 1 CHECKMULTISIG",
class: txscript.MultiSigTy,
},
// tx e5779b9e78f9650debc2893fd9636d827b26b4ddfa6a8172fe8708c924f5c39d
{
name: "P2SH",
script: "HASH160 DATA_20 0x433ec2ac1ffa1b7b7d027f564529c57197f" +
"9ae88 EQUAL",
class: txscript.ScriptHashTy,
},
{
// Nulldata with no data at all.
name: "nulldata",
script: "RETURN",
class: txscript.NullDataTy,
},
{
// Nulldata with small data.
name: "nulldata2",
script: "RETURN DATA_8 0x046708afdb0fe554",
class: txscript.NullDataTy,
},
{
// Nulldata with max allowed data.
name: "nulldata3",
script: "RETURN PUSHDATA1 0x50 0x046708afdb0fe5548271967f1a67" +
"130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3" +
"046708afdb0fe5548271967f1a67130b7105cd6a828e03909a67" +
"962e0ea1f61deb649f6bc3f4cef3",
class: txscript.NullDataTy,
},
{
// Nulldata with more than max allowed data (so therefore
// nonstandard)
name: "nulldata4",
script: "RETURN PUSHDATA1 0x51 0x046708afdb0fe5548271967f1a67" +
"130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3" +
"046708afdb0fe5548271967f1a67130b7105cd6a828e03909a67" +
"962e0ea1f61deb649f6bc3f4cef308",
class: txscript.NonStandardTy,
},
{
// Almost nulldata, but add an additional opcode after the data
// to make it nonstandard.
name: "nulldata5",
script: "RETURN 4 TRUE",
class: txscript.NonStandardTy,
},
// The next few are almost multisig (it is the more complex script type)
// but with various changes to make it fail.
{
// Multisig but invalid nsigs.
name: "strange 1",
script: "DUP DATA_33 0x0232abdc893e7f0631364d7fd01cb33d24da45" +
"329a00357b3a7886211ab414d55a 1 CHECKMULTISIG",
class: txscript.NonStandardTy,
},
{
// Multisig but invalid pubkey.
name: "strange 2",
script: "1 1 1 CHECKMULTISIG",
class: txscript.NonStandardTy,
},
{
// Multisig but no matching npubkeys opcode.
name: "strange 3",
script: "1 DATA_33 0x0232abdc893e7f0631364d7fd01cb33d24da4532" +
"9a00357b3a7886211ab414d55a DATA_33 0x0232abdc893e7f0" +
"631364d7fd01cb33d24da45329a00357b3a7886211ab414d55a " +
"CHECKMULTISIG",
class: txscript.NonStandardTy,
},
{
// Multisig but with multisigverify.
name: "strange 4",
script: "1 DATA_33 0x0232abdc893e7f0631364d7fd01cb33d24da4532" +
"9a00357b3a7886211ab414d55a 1 CHECKMULTISIGVERIFY",
class: txscript.NonStandardTy,
},
{
// Multisig but wrong length.
name: "strange 5",
script: "1 CHECKMULTISIG",
class: txscript.NonStandardTy,
},
{
name: "doesn't parse",
script: "DATA_5 0x01020304",
class: txscript.NonStandardTy,
},
}
// TestScriptClass ensures all the scripts in scriptClassTests have the expected
// class.
func TestScriptClass(t *testing.T) {
t.Parallel()
for _, test := range scriptClassTests {
script := mustParseShortForm(test.script)
class := txscript.GetScriptClass(script)
if class != test.class {
t.Errorf("%s: expected %s got %s", test.name,
test.class, class)
return
}
}
}
// TestStringifyClass ensures the script class string returns the expected
// string for each script class.
func TestStringifyClass(t *testing.T) {
t.Parallel()
tests := []struct {
name string
class txscript.ScriptClass
stringed string
}{
{
name: "nonstandardty",
class: txscript.NonStandardTy,
stringed: "nonstandard",
},
{
name: "pubkey",
class: txscript.PubKeyTy,
stringed: "pubkey",
},
{
name: "pubkeyhash",
class: txscript.PubKeyHashTy,
stringed: "pubkeyhash",
},
{
name: "scripthash",
class: txscript.ScriptHashTy,
stringed: "scripthash",
},
{
name: "multisigty",
class: txscript.MultiSigTy,
stringed: "multisig",
},
{
name: "nulldataty",
class: txscript.NullDataTy,
stringed: "nulldata",
},
{
name: "broken",
class: txscript.ScriptClass(255),
stringed: "Invalid",
},
}
for _, test := range tests {
typeString := test.class.String()
if typeString != test.stringed {
t.Errorf("%s: got %#q, want %#q", test.name,
typeString, test.stringed)
}
}
}