Added tests for multisig scripts and fixed comments

Fixed up bad function comment headers

Added a small set of tests for the ScriptToAddrHashes function to test
functionality of a couple real multisig cases as well as error checking
This commit is contained in:
Francis Lam 2014-01-02 13:31:00 -05:00
parent a5aaf90687
commit 3f52f559eb
3 changed files with 195 additions and 10 deletions

View file

@ -176,11 +176,12 @@ func scriptToAddrHashTemplate(script []byte, validformats []pkformat) (ScriptTyp
return format.addrtype, addrhash, nil
}
// ScriptToAddrHashes extracts multiply 20-byte public key hash and the type out of a PkScript
func ScriptToMultiSigAddresses(script []byte) (ScriptType, int, [][]byte, error) {
// ScriptToAddrHashes extracts multiple 20-byte public key hashes
// from a MultiSig script.
func ScriptToAddrHashes(script []byte) (ScriptType, int, [][]byte, error) {
pops, err := parseScript(script)
if err != nil {
return ScriptUnknown, 0, nil, err
return ScriptUnknown, 0, nil, StackErrUnknownAddress
}
if !isMultiSig(pops) {

View file

@ -162,13 +162,15 @@ var addressTests = []addressTest{
class: btcscript.ScriptStrange,
},
{script: []byte{btcscript.OP_HASH160, btcscript.OP_DATA_20,
0x02, 0x40, 0x05, 0xc9, 0x45, 0xd8, 0x6a, 0xc6,
0xb0, 0x1f, 0xb0, 0x42, 0x58, 0x34, 0x5a, 0xbe,
0xa7, 0xa8, 0x45, 0xbd,
btcscript.OP_EQUAL, // note this isn't a real tx
0x63, 0xbc, 0xc5, 0x65, 0xf9, 0xe6, 0x8e, 0xe0,
0x18, 0x9d, 0xd5, 0xcc, 0x67, 0xf1, 0xb0, 0xe5,
0xf0, 0x2f, 0x45, 0xcb,
btcscript.OP_EQUAL,
},
addrhash: nil,
class: btcscript.ScriptStrange,
addrhash: []byte{0x63, 0xbc, 0xc5, 0x65, 0xf9, 0xe6, 0x8e, 0xe0,
0x18, 0x9d, 0xd5, 0xcc, 0x67, 0xf1, 0xb0, 0xe5,
0xf0, 0x2f, 0x45, 0xcb},
class: btcscript.ScriptPayToScriptHash,
},
{script: []byte{btcscript.OP_DATA_36,
0x02, 0x40, 0x05, 0xc9, 0x45, 0xd8, 0x6a, 0xc6,
@ -257,3 +259,185 @@ func TestStringify(t *testing.T) {
}
}
}
type multiSigTest struct {
script []byte
reqSigs int
addrhashes [][]byte
shouldFail error
class btcscript.ScriptType
}
var multiSigTests = []multiSigTest{
{script: []byte{},
class: btcscript.ScriptUnknown,
shouldFail: btcscript.StackErrUnknownAddress,
},
{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},
class: btcscript.ScriptUnknown,
shouldFail: btcscript.StackErrUnknownAddress,
},
{script: []byte{
btcscript.OP_1, btcscript.OP_DATA_65,
0x04, 0xcc, 0x71, 0xeb, 0x30, 0xd6, 0x53, 0xc0,
0xc3, 0x16, 0x39, 0x90, 0xc4, 0x7b, 0x97, 0x6f,
0x3f, 0xb3, 0xf3, 0x7c, 0xcc, 0xdc, 0xbe, 0xdb,
0x16, 0x9a, 0x1d, 0xfe, 0xf5, 0x8b, 0xbf, 0xbf,
0xaf, 0xf7, 0xd8, 0xa4, 0x73, 0xe7, 0xe2, 0xe6,
0xd3, 0x17, 0xb8, 0x7b, 0xaf, 0xe8, 0xbd, 0xe9,
0x7e, 0x3c, 0xf8, 0xf0, 0x65, 0xde, 0xc0, 0x22,
0xb5, 0x1d, 0x11, 0xfc, 0xdd, 0x0d, 0x34, 0x8a,
0xc4, btcscript.OP_DATA_65,
0x04, 0x61, 0xcb, 0xdc, 0xc5, 0x40, 0x9f, 0xb4,
0xb4, 0xd4, 0x2b, 0x51, 0xd3, 0x33, 0x81, 0x35,
0x4d, 0x80, 0xe5, 0x50, 0x07, 0x8c, 0xb5, 0x32,
0xa3, 0x4b, 0xfa, 0x2f, 0xcf, 0xde, 0xb7, 0xd7,
0x65, 0x19, 0xae, 0xcc, 0x62, 0x77, 0x0f, 0x5b,
0x0e, 0x4e, 0xf8, 0x55, 0x19, 0x46, 0xd8, 0xa5,
0x40, 0x91, 0x1a, 0xbe, 0x3e, 0x78, 0x54, 0xa2,
0x6f, 0x39, 0xf5, 0x8b, 0x25, 0xc1, 0x53, 0x42,
0xaf, btcscript.OP_2, btcscript.OP_CHECK_MULTISIG},
class: btcscript.ScriptMultiSig,
reqSigs: 1,
addrhashes: [][]byte{
[]byte{
0x66, 0x0d, 0x4e, 0xf3, 0xa7, 0x43, 0xe3, 0xe6,
0x96, 0xad, 0x99, 0x03, 0x64, 0xe5, 0x55, 0xc2,
0x71, 0xad, 0x50, 0x4b,
},
[]byte{
0x64, 0x1a, 0xd5, 0x05, 0x1e, 0xdd, 0x97, 0x02,
0x9a, 0x00, 0x3f, 0xe9, 0xef, 0xb2, 0x93, 0x59,
0xfc, 0xee, 0x40, 0x9d,
},
},
},
// from real tx 60a20bd93aa49ab4b28d514ec10b06e1829ce6818ec06cd3aabd013ebcdc4bb1, vout 0
{script: []byte{
btcscript.OP_1, btcscript.OP_DATA_65,
0x04, 0xcc, 0x71, 0xeb, 0x30, 0xd6, 0x53, 0xc0,
0xc3, 0x16, 0x39, 0x90, 0xc4, 0x7b, 0x97, 0x6f,
0x3f, 0xb3, 0xf3, 0x7c, 0xcc, 0xdc, 0xbe, 0xdb,
0x16, 0x9a, 0x1d, 0xfe, 0xf5, 0x8b, 0xbf, 0xbf,
0xaf, 0xf7, 0xd8, 0xa4, 0x73, 0xe7, 0xe2, 0xe6,
0xd3, 0x17, 0xb8, 0x7b, 0xaf, 0xe8, 0xbd, 0xe9,
0x7e, 0x3c, 0xf8, 0xf0, 0x65, 0xde, 0xc0, 0x22,
0xb5, 0x1d, 0x11, 0xfc, 0xdd, 0x0d, 0x34, 0x8a,
0xc4, btcscript.OP_DATA_65,
0x04, 0x61, 0xcb, 0xdc, 0xc5, 0x40, 0x9f, 0xb4,
0xb4, 0xd4, 0x2b, 0x51, 0xd3, 0x33, 0x81, 0x35,
0x4d, 0x80, 0xe5, 0x50, 0x07, 0x8c, 0xb5, 0x32,
0xa3, 0x4b, 0xfa, 0x2f, 0xcf, 0xde, 0xb7, 0xd7,
0x65, 0x19, 0xae, 0xcc, 0x62, 0x77, 0x0f, 0x5b,
0x0e, 0x4e, 0xf8, 0x55, 0x19, 0x46, 0xd8, 0xa5,
0x40, 0x91, 0x1a, 0xbe, 0x3e, 0x78, 0x54, 0xa2,
0x6f, 0x39, 0xf5, 0x8b, 0x25, 0xc1, 0x53, 0x42,
0xaf, btcscript.OP_2, btcscript.OP_CHECK_MULTISIG},
class: btcscript.ScriptMultiSig,
reqSigs: 1,
addrhashes: [][]byte{
[]byte{
0x66, 0x0d, 0x4e, 0xf3, 0xa7, 0x43, 0xe3, 0xe6,
0x96, 0xad, 0x99, 0x03, 0x64, 0xe5, 0x55, 0xc2,
0x71, 0xad, 0x50, 0x4b,
},
[]byte{
0x64, 0x1a, 0xd5, 0x05, 0x1e, 0xdd, 0x97, 0x02,
0x9a, 0x00, 0x3f, 0xe9, 0xef, 0xb2, 0x93, 0x59,
0xfc, 0xee, 0x40, 0x9d,
},
},
},
// from real tx: 691dd277dc0e90a462a3d652a1171686de49cf19067cd33c7df0392833fb986a, vout 0
{script: []byte{
btcscript.OP_1, btcscript.OP_DATA_65,
0x1c, 0x22, 0x00, 0x00, 0x73, 0x53, 0x45, 0x58,
0x57, 0x69, 0x6b, 0x69, 0x6c, 0x65, 0x61, 0x6b,
0x73, 0x20, 0x43, 0x61, 0x62, 0x6c, 0x65, 0x67,
0x61, 0x74, 0x65, 0x20, 0x42, 0x61, 0x63, 0x6b,
0x75, 0x70, 0x0a, 0x0a, 0x63, 0x61, 0x62, 0x6c,
0x65, 0x67, 0x61, 0x74, 0x65, 0x2d, 0x32, 0x30,
0x31, 0x30, 0x31, 0x32, 0x30, 0x34, 0x31, 0x38,
0x31, 0x31, 0x2e, 0x37, 0x7a, 0x0a, 0x0a, 0x44,
0x6f, btcscript.OP_DATA_65,
0x77, 0x6e, 0x6c, 0x6f, 0x61, 0x64, 0x20, 0x74,
0x68, 0x65, 0x20, 0x66, 0x6f, 0x6c, 0x6c, 0x6f,
0x77, 0x69, 0x6e, 0x67, 0x20, 0x74, 0x72, 0x61,
0x6e, 0x73, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e,
0x73, 0x20, 0x77, 0x69, 0x74, 0x68, 0x20, 0x53,
0x61, 0x74, 0x6f, 0x73, 0x68, 0x69, 0x20, 0x4e,
0x61, 0x6b, 0x61, 0x6d, 0x6f, 0x74, 0x6f, 0x27,
0x73, 0x20, 0x64, 0x6f, 0x77, 0x6e, 0x6c, 0x6f,
0x61, btcscript.OP_DATA_65,
0x64, 0x20, 0x74, 0x6f, 0x6f, 0x6c, 0x20, 0x77,
0x68, 0x69, 0x63, 0x68, 0x0a, 0x63, 0x61, 0x6e,
0x20, 0x62, 0x65, 0x20, 0x66, 0x6f, 0x75, 0x6e,
0x64, 0x20, 0x69, 0x6e, 0x20, 0x74, 0x72, 0x61,
0x6e, 0x73, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e,
0x20, 0x36, 0x63, 0x35, 0x33, 0x63, 0x64, 0x39,
0x38, 0x37, 0x31, 0x31, 0x39, 0x65, 0x66, 0x37,
0x39, 0x37, 0x64, 0x35, 0x61, 0x64, 0x63, 0x63,
0x64, btcscript.OP_3, btcscript.OP_CHECK_MULTISIG},
class: btcscript.ScriptMultiSig,
reqSigs: 1,
addrhashes: [][]byte{
[]byte{
0x7c, 0xe9, 0x23, 0x01, 0x00, 0x75, 0x98, 0xc8,
0xb9, 0x31, 0x5b, 0x49, 0x71, 0x21, 0xa0, 0x18,
0x20, 0x90, 0xa3, 0x0c,
},
[]byte{
0x76, 0xf6, 0x95, 0x05, 0xb3, 0x9f, 0xba, 0x56,
0x6d, 0xe8, 0x40, 0x89, 0xda, 0xd8, 0xbd, 0x35,
0x01, 0xec, 0x47, 0xed,
},
[]byte{
0x7b, 0xfb, 0xfe, 0x5d, 0x66, 0x80, 0x22, 0x2e,
0xe6, 0x38, 0xf9, 0x41, 0xdc, 0xfa, 0x61, 0x6d,
0xd4, 0x5f, 0x11, 0xee,
},
},
},
}
func TestMultiSigs(t *testing.T) {
for i, s := range multiSigTests {
class, reqSigs, addrhashes, err := btcscript.ScriptToAddrHashes(s.script)
if s.shouldFail != nil {
if err != s.shouldFail {
t.Errorf("MultiSig test %v failed is err [%v] should be [%v]", i, err, s.shouldFail)
}
} else {
if err != nil {
t.Errorf("MultiSig test %v failed err %v", i, err)
} else {
if s.class != class {
t.Errorf("MultiSig test %v class mismatch is [%v] want [%v]", i, class, s.class)
}
if len(addrhashes) != len(s.addrhashes) {
t.Errorf("MultiSig test %v num addrhashes expected is [%d] want [%d]", i, len(addrhashes), len(s.addrhashes))
}
if reqSigs != s.reqSigs {
t.Errorf("MultiSig test %v reqSigs expected is [%d] want [%d]", i, reqSigs, s.reqSigs)
}
for j := 0; j < len(addrhashes); j++ {
if !bytes.Equal(s.addrhashes[j], addrhashes[j]) {
t.Errorf("MultiSig test %v addrhash %d mismatch is [%v] want [%v]", i, j, addrhashes[j], s.addrhashes[j])
}
}
}
}
}
}

View file

@ -1165,7 +1165,7 @@ func CalcPkScriptAddrHashes(script []byte) (ScriptClass, int, [][]byte) {
return c, 1, [][]byte{addrHash}
case MultiSigTy:
_, reqSigs, addrHashes, err := ScriptToMultiSigAddresses(script)
_, reqSigs, addrHashes, err := ScriptToAddrHashes(script)
if err != nil {
return NonStandardTy, 0, nil
}