// Copyright (c) 2013 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" "github.com/conformal/btcscript" "github.com/conformal/btcwire" "testing" ) type txTest struct { name string tx *btcwire.MsgTx pkScript []byte // output script of previous tx idx int bip16 bool err error shouldFail bool } var txTests = []txTest{ // tx 0437cd7f8525ceed2324359c2d0ba26006d92d85. the first tx in the // blockchain that verifies signatures. txTest{ name: "CheckSig", tx: &btcwire.MsgTx{ Version: 1, TxIn: []*btcwire.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{ &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, }, }, &btcwire.TxOut{ 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, }, // Previous test with the value of one output changed. txTest{ name: "CheckSig Failure", tx: &btcwire.MsgTx{ Version: 1, TxIn: []*btcwire.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{ &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, }, }, &btcwire.TxOut{ 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, }, txTest{ name: "CheckSig invalid signature", tx: &btcwire.MsgTx{ Version: 1, TxIn: []*btcwire.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{ &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, }, }, &btcwire.TxOut{ 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, }, txTest{ name: "CheckSig invalid pubkey", tx: &btcwire.MsgTx{ Version: 1, TxIn: []*btcwire.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{ &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, }, }, &btcwire.TxOut{ 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, }, // tx 599e47a8114fe098103663029548811d2651991b62397e057f0c863c2bc9f9ea // uses checksig with SigHashNone. txTest{ name: "CheckSigHashNone", tx: &btcwire.MsgTx{ Version: 1, TxIn: []*btcwire.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{ &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, }, }, &btcwire.TxOut{ 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 }, // tx 51bf528ecf3c161e7c021224197dbe84f9a8564212f6207baa014c01a1668e1e // first instance of an AnyoneCanPay signature in the blockchain txTest{ name: "CheckSigHashAnyoneCanPay", tx: &btcwire.MsgTx{ Version: 1, TxIn: []*btcwire.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, }, &btcwire.TxIn{ 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{ &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 }, // tx 6d36bc17e947ce00bb6f12f8e7a56a1585c5a36188ffa2b05e10b4743273a74b // Uses OP_CODESEPARATOR and OP_CHECKMULTISIG txTest{ name: "CheckMultiSig", tx: &btcwire.MsgTx{ Version: 1, TxIn: []*btcwire.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, }, &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: 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_CHECK_MULTISIG, }, Sequence: 4294967295, }, }, TxOut: []*btcwire.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, }, // same as previous but with one byte changed to make signature fail txTest{ name: "CheckMultiSig fail", tx: &btcwire.MsgTx{ Version: 1, TxIn: []*btcwire.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, }, &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: 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_CHECK_MULTISIG, }, Sequence: 4294967295, }, }, TxOut: []*btcwire.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, }, // tx e5779b9e78f9650debc2893fd9636d827b26b4ddfa6a8172fe8708c924f5c39d // First P2SH transaction in the blockchain txTest{ name: "P2SH", tx: &btcwire.MsgTx{ Version: 1, TxIn: []*btcwire.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{ &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, }, } // 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) { engine, err := btcscript.NewScript( test.tx.TxIn[test.idx].SignatureScript, test.pkScript, test.idx, test.tx, 70001, test.bip16) if err != nil { t.Errorf("Failed to parse %s: %v", test.name, err) return } 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]) } } type removeOpcodeTest struct { name string before []byte remove byte err error after []byte } var removeOpcodeTests = []removeOpcodeTest{ // Nothing to remove. removeOpcodeTest{ name: "nothing to remove", before: []byte{btcscript.OP_NOP}, remove: btcscript.OP_CODESEPARATOR, after: []byte{btcscript.OP_NOP}, }, // Test basic opcode removal removeOpcodeTest{ 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 removeOpcodeTest{ 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}, }, removeOpcodeTest{ name: "invalid opcode", before: []byte{186}, remove: btcscript.OP_CODESEPARATOR, err: btcscript.StackErrInvalidOpcode, }, removeOpcodeTest{ name: "invalid length (insruction)", before: []byte{btcscript.OP_PUSHDATA1}, remove: btcscript.OP_CODESEPARATOR, err: btcscript.StackErrShortScript, }, removeOpcodeTest{ 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{ removeOpcodeByDataTest{ name: "nothing to do", before: []byte{btcscript.OP_NOP}, remove: []byte{1, 2, 3, 4}, after: []byte{btcscript.OP_NOP}, }, removeOpcodeByDataTest{ name: "simple case", before: []byte{btcscript.OP_DATA_4, 1, 2, 3, 4}, remove: []byte{1, 2, 3, 4}, after: []byte{}, }, removeOpcodeByDataTest{ 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}, }, removeOpcodeByDataTest{ name: "simple case (pushdata1)", before: []byte{btcscript.OP_PUSHDATA1, 4, 1, 2, 3, 4}, remove: []byte{1, 2, 3, 4}, after: []byte{}, }, removeOpcodeByDataTest{ 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}, }, removeOpcodeByDataTest{ name: "simple case (pushdata2)", before: []byte{btcscript.OP_PUSHDATA2, 4, 0, 1, 2, 3, 4}, remove: []byte{1, 2, 3, 4}, after: []byte{}, }, removeOpcodeByDataTest{ 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}, }, removeOpcodeByDataTest{ 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{}, }, removeOpcodeByDataTest{ 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}, }, removeOpcodeByDataTest{ name: "invalid opcode ", before: []byte{187}, remove: []byte{1, 2, 3, 4}, err: btcscript.StackErrInvalidOpcode, }, removeOpcodeByDataTest{ name: "invalid length (instruction)", before: []byte{btcscript.OP_PUSHDATA1}, remove: []byte{1, 2, 3, 4}, err: btcscript.StackErrShortScript, }, removeOpcodeByDataTest{ 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.TstScriptType } var scriptTypeTests = []scriptTypeTest{ // tx 0437cd7f8525ceed2324359c2d0ba26006d92d85. scriptTypeTest{ 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.TstPubKeyTy, }, // tx 599e47a8114fe098103663029548811d2651991b62397e057f0c863c2bc9f9ea scriptTypeTest{ 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.TstPubKeyHashTy, }, // part of tx 6d36bc17e947ce00bb6f12f8e7a56a1585c5a36188ffa2b05e10b4743273a74b // codeseparator parts have been elided. (bitcoind's checks for multisig // type doesn't have codesep etc either. scriptTypeTest{ 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_CHECK_MULTISIG, }, scripttype: btcscript.TstMultiSigTy, }, // tx e5779b9e78f9650debc2893fd9636d827b26b4ddfa6a8172fe8708c924f5c39d // P2SH scriptTypeTest{ 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.TstScriptHashTy, }, } func testScriptType(t *testing.T, test *scriptTypeTest) { scripttype := btcscript.TstTypeOfScript(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]) } } // 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{ pcTest{ script:2, off:0, }, pcTest{ script: 0, off: 2, }, } // tx with almost empty scripts. tx := &btcwire.MsgTx{ Version: 1, TxIn: []*btcwire.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{ &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, 70001, false) 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) } } }