// 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" ) func TestStandardPushes(t *testing.T) { for i := 0; i < 1000; i++ { builder := btcscript.NewScriptBuilder() builder.PushInt64(int64(i)) if result := btcscript.IsPushOnlyScript(builder.Script()); !result { t.Errorf("StandardPushesTests IsPushOnlyScript test #%d failed: %x\n", i, builder.Script()) } if result := btcscript.HasCanonicalPushes(builder.Script()); !result { t.Errorf("StandardPushesTests HasCanonicalPushes test #%d failed: %x\n", i, builder.Script()) continue } } for i := 0; i < 1000; i++ { builder := btcscript.NewScriptBuilder() builder.PushData(bytes.Repeat([]byte{0x49}, i)) if result := btcscript.IsPushOnlyScript(builder.Script()); !result { t.Errorf("StandardPushesTests IsPushOnlyScript test #%d failed: %x\n", i, builder.Script()) } if result := btcscript.HasCanonicalPushes(builder.Script()); !result { t.Errorf("StandardPushesTests HasCanonicalPushes test #%d failed: %x\n", i, builder.Script()) continue } } } 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, }, // taken from tx b2d93dfd0b2c1a380e55e76a8d9cb3075dec9f4474e9485be008c337fd62c1f7 // on testnet // multisig with zero required signatures { name: "CheckMultiSig zero required signatures", 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_0, btcscript.OP_DATA_37, btcscript.OP_0, btcscript.OP_DATA_33, 0x02, 0x4a, 0xb3, 0x3c, 0x3a, 0x54, 0x7a, 0x37, 0x29, 0x3e, 0xb8, 0x75, 0xb4, 0xbb, 0xdb, 0xd4, 0x73, 0xe9, 0xd4, 0xba, 0xfd, 0xf3, 0x56, 0x87, 0xe7, 0x97, 0x44, 0xdc, 0xd7, 0x0f, 0x6e, 0x4d, 0xe2, btcscript.OP_1, btcscript.OP_CHECKMULTISIG, }, Sequence: 4294967295, }, }, TxOut: []*btcwire.TxOut{}, LockTime: 0, }, pkScript: []byte{ btcscript.OP_HASH160, btcscript.OP_DATA_20, 0x2c, 0x6b, 0x10, 0x7f, 0xdf, 0x10, 0x6f, 0x22, 0x6f, 0x3f, 0xa3, 0x27, 0xba, 0x36, 0xd6, 0xe3, 0xca, 0xc7, 0x3d, 0xf0, btcscript.OP_EQUAL, }, idx: 0, bip16: true, nSigOps: 1, scriptInfo: btcscript.ScriptInfo{ PkScriptClass: btcscript.ScriptHashTy, NumInputs: 2, ExpectedInputs: 1, SigOps: 1, }, }, // 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 } } }