// TxInfo returns a slice of maps that may be marshaled as a JSON array // of JSON objects for a listtransactions RPC reply. func (tx *RecvTx) TxInfo(account string, curheight int32, net btcwire.BitcoinNet) []map[string]interface{} { address := "Unknown" addr, err := btcutil.NewAddressPubKeyHash(tx.ReceiverHash, net) if err == nil { address = addr.String() } txInfo := map[string]interface{}{ "category": "receive", "account": account, "address": address, "amount": float64(tx.Amount) / float64(btcutil.SatoshiPerBitcoin), "txid": tx.TxID.String(), "timereceived": tx.TimeReceived, } if tx.BlockHeight != -1 { txInfo["blockhash"] = tx.BlockHash.String() txInfo["blockindex"] = tx.BlockIndex txInfo["blocktime"] = tx.BlockTime txInfo["confirmations"] = curheight - tx.BlockHeight + 1 } else { txInfo["confirmations"] = 0 } return []map[string]interface{}{txInfo} }
// TotalReceived iterates through an account's transaction history, returning the // total amount of bitcoins received for any account address. Amounts received // through multisig transactions are ignored. func (a *Account) TotalReceived(confirms int) (float64, error) { bs, err := GetCurBlock() if err != nil { return 0, err } var totalSatoshis int64 for _, e := range a.TxStore { recvtx, ok := e.(*tx.RecvTx) if !ok { continue } // Ignore change. addr, err := btcutil.NewAddressPubKeyHash(recvtx.ReceiverHash, cfg.Net()) if err != nil { continue } info, err := a.Wallet.AddressInfo(addr) if err != nil { continue } if info.Change { continue } // Tally if the appropiate number of block confirmations have passed. if confirmed(confirms, recvtx.GetBlockHeight(), bs.Height) { totalSatoshis += recvtx.Amount } } return float64(totalSatoshis) / float64(btcutil.SatoshiPerBitcoin), nil }
func dataAddr(raw []byte, net *btcnet.Params) *btcutil.AddressPubKeyHash { addr, err := btcutil.NewAddressPubKeyHash(raw, net) if err != nil { log.Println(err) } return addr }
// newAddressPubKeyHash returns a new btcutil.AddressPubKeyHash from the // provided hash. It panics if an error occurs. This is only used in the tests // as a helper since the only way it can fail is if there is an error in the // test source code. func newAddressPubKeyHash(pkHash []byte) btcutil.Address { addr, err := btcutil.NewAddressPubKeyHash(pkHash, &btcnet.MainNetParams) if err != nil { panic("invalid public key hash in test source") } return addr }
func wifToAddr(wifkey *btcutil.WIF, net *btcnet.Params) btcutil.Address { pubkey := wifkey.SerializePubKey() pkHash := btcutil.Hash160(pubkey) addr, err := btcutil.NewAddressPubKeyHash(pkHash, net) if err != nil { log.Fatalf("failed to convert wif to address: %s\n", err) } return addr }
// TxInfo returns a slice of maps that may be marshaled as a JSON array // of JSON objects for a listtransactions RPC reply. func (tx *SendTx) TxInfo(account string, curheight int32, net btcwire.BitcoinNet) []map[string]interface{} { reply := make([]map[string]interface{}, len(tx.Receivers)) var confirmations int32 if tx.BlockHeight != -1 { confirmations = curheight - tx.BlockHeight + 1 } // error is ignored since the length will always be correct. txID, _ := btcwire.NewShaHash(tx.TxID[:]) txIDStr := txID.String() // error is ignored since the length will always be correct. blockHash, _ := btcwire.NewShaHash(tx.BlockHash[:]) blockHashStr := blockHash.String() for i, pair := range tx.Receivers { address := "Unknown" addr, err := btcutil.NewAddressPubKeyHash(pair.PubkeyHash, net) if err == nil { address = addr.String() } info := map[string]interface{}{ "account": account, "address": address, "category": "send", "amount": float64(-pair.Amount) / float64(btcutil.SatoshiPerBitcoin), "fee": float64(tx.Fee) / float64(btcutil.SatoshiPerBitcoin), "confirmations": confirmations, "txid": txIDStr, "time": tx.Time, "timereceived": tx.Time, } if tx.BlockHeight != -1 { info["blockhash"] = blockHashStr info["blockindex"] = tx.BlockIndex info["blocktime"] = tx.BlockTime } reply[i] = info } return reply }
// Converts a bulletin into public key scripts for encoding func (bltn *Bulletin) TxOuts(toBurn int64, net *btcnet.Params) ([]*btcwire.TxOut, error) { rawbytes, err := bltn.Bytes() if err != nil { return []*btcwire.TxOut{}, err } numcuts, _ := bltn.NumOuts() cuts := make([][]byte, numcuts, numcuts) for i := 0; i < numcuts; i++ { sliceb := make([]byte, 20, 20) copy(sliceb, rawbytes) cuts[i] = sliceb if len(rawbytes) >= 20 { rawbytes = rawbytes[20:] } } // Convert raw data into txouts txouts := make([]*btcwire.TxOut, 0) for _, cut := range cuts { fakeaddr, err := btcutil.NewAddressPubKeyHash(cut, net) if err != nil { return []*btcwire.TxOut{}, err } pkscript, err := btcscript.PayToAddrScript(fakeaddr) if err != nil { return []*btcwire.TxOut{}, err } txout := &btcwire.TxOut{ PkScript: pkscript, Value: toBurn, } txouts = append(txouts, txout) } return txouts, nil }
// ExtractPkScriptAddrs returns the type of script, addresses and required // signatures associated with the passed PkScript. Note that it only works for // 'standard' transaction script types. Any data such as public keys which are // invalid are omitted from the results. func ExtractPkScriptAddrs(pkScript []byte, net btcwire.BitcoinNet) (ScriptClass, []btcutil.Address, int, error) { var addrs []btcutil.Address var requiredSigs int // No valid addresses or required signatures if the script doesn't // parse. pops, err := parseScript(pkScript) if err != nil { return NonStandardTy, nil, 0, err } scriptClass := typeOfScript(pops) switch scriptClass { case PubKeyHashTy: // A pay-to-pubkey-hash script is of the form: // OP_DUP OP_HASH160 <hash> OP_EQUALVERIFY OP_CHECKSIG // Therefore the pubkey hash is the 3rd item on the stack. // Skip the pubkey hash if it's invalid for some reason. requiredSigs = 1 addr, err := btcutil.NewAddressPubKeyHash(pops[2].data, net) if err == nil { addrs = append(addrs, addr) } case PubKeyTy: // A pay-to-pubkey script is of the form: // <pubkey> OP_CHECKSIG // Therefore the pubkey is the item on the stack. // Skip the pubkey if it's invalid for some reason. requiredSigs = 1 addr, err := btcutil.NewAddressPubKey(pops[0].data, net) if err == nil { addrs = append(addrs, addr) } case ScriptHashTy: // A pay-to-script-hash script is of the form: // OP_HASH160 <scripthash> OP_EQUAL // Therefore the script hash is the 2nd item on the stack. // Skip the script hash if it's invalid for some reason. requiredSigs = 1 addr, err := btcutil.NewAddressScriptHashFromHash(pops[1].data, net) if err == nil { addrs = append(addrs, addr) } case MultiSigTy: // A multi-signature script is of the form: // <numsigs> <pubkey> <pubkey> <pubkey>... <numpubkeys> OP_CHECKMULTISIG // Therefore the number of required signatures is the 1st item // on the stack and the number of public keys is the 2nd to last // item on the stack. requiredSigs = int(pops[0].opcode.value - (OP_1 - 1)) numPubKeys := int(pops[len(pops)-2].opcode.value - (OP_1 - 1)) // Extract the public keys while skipping any that are invalid. addrs = make([]btcutil.Address, 0, numPubKeys) for i := 0; i < numPubKeys; i++ { addr, err := btcutil.NewAddressPubKey(pops[i+1].data, net) if err == nil { addrs = append(addrs, addr) } } case NullDataTy: // Null data transactions have no addresses or required // signatures. case NonStandardTy: // Don't attempt to extract addresses or required signatures for // nonstandard transactions. } return scriptClass, addrs, requiredSigs, nil }
func TestAddresses(t *testing.T) { tests := []struct { name string addr string encoded string valid bool result btcutil.Address f func() (btcutil.Address, error) net *btcnet.Params }{ // Positive P2PKH tests. { name: "mainnet p2pkh", addr: "1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX", encoded: "1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX", valid: true, result: btcutil.TstAddressPubKeyHash( [ripemd160.Size]byte{ 0xe3, 0x4c, 0xce, 0x70, 0xc8, 0x63, 0x73, 0x27, 0x3e, 0xfc, 0xc5, 0x4c, 0xe7, 0xd2, 0xa4, 0x91, 0xbb, 0x4a, 0x0e, 0x84}, btcnet.MainNetParams.PubKeyHashAddrID), f: func() (btcutil.Address, error) { pkHash := []byte{ 0xe3, 0x4c, 0xce, 0x70, 0xc8, 0x63, 0x73, 0x27, 0x3e, 0xfc, 0xc5, 0x4c, 0xe7, 0xd2, 0xa4, 0x91, 0xbb, 0x4a, 0x0e, 0x84} return btcutil.NewAddressPubKeyHash(pkHash, &btcnet.MainNetParams) }, net: &btcnet.MainNetParams, }, { name: "mainnet p2pkh 2", addr: "12MzCDwodF9G1e7jfwLXfR164RNtx4BRVG", encoded: "12MzCDwodF9G1e7jfwLXfR164RNtx4BRVG", valid: true, result: btcutil.TstAddressPubKeyHash( [ripemd160.Size]byte{ 0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b, 0xf4, 0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad, 0xaa}, btcnet.MainNetParams.PubKeyHashAddrID), f: func() (btcutil.Address, error) { pkHash := []byte{ 0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b, 0xf4, 0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad, 0xaa} return btcutil.NewAddressPubKeyHash(pkHash, &btcnet.MainNetParams) }, net: &btcnet.MainNetParams, }, { name: "testnet p2pkh", addr: "mrX9vMRYLfVy1BnZbc5gZjuyaqH3ZW2ZHz", encoded: "mrX9vMRYLfVy1BnZbc5gZjuyaqH3ZW2ZHz", valid: true, result: btcutil.TstAddressPubKeyHash( [ripemd160.Size]byte{ 0x78, 0xb3, 0x16, 0xa0, 0x86, 0x47, 0xd5, 0xb7, 0x72, 0x83, 0xe5, 0x12, 0xd3, 0x60, 0x3f, 0x1f, 0x1c, 0x8d, 0xe6, 0x8f}, btcnet.TestNet3Params.PubKeyHashAddrID), f: func() (btcutil.Address, error) { pkHash := []byte{ 0x78, 0xb3, 0x16, 0xa0, 0x86, 0x47, 0xd5, 0xb7, 0x72, 0x83, 0xe5, 0x12, 0xd3, 0x60, 0x3f, 0x1f, 0x1c, 0x8d, 0xe6, 0x8f} return btcutil.NewAddressPubKeyHash(pkHash, &btcnet.TestNet3Params) }, net: &btcnet.TestNet3Params, }, // Negative P2PKH tests. { name: "p2pkh wrong hash length", addr: "", valid: false, f: func() (btcutil.Address, error) { pkHash := []byte{ 0x00, 0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b, 0xf4, 0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad, 0xaa} return btcutil.NewAddressPubKeyHash(pkHash, &btcnet.MainNetParams) }, }, { name: "p2pkh bad checksum", addr: "1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gY", valid: false, }, // Positive P2SH tests. { // Taken from transactions: // output: 3c9018e8d5615c306d72397f8f5eef44308c98fb576a88e030c25456b4f3a7ac // input: 837dea37ddc8b1e3ce646f1a656e79bbd8cc7f558ac56a169626d649ebe2a3ba. name: "mainnet p2sh", addr: "3QJmV3qfvL9SuYo34YihAf3sRCW3qSinyC", encoded: "3QJmV3qfvL9SuYo34YihAf3sRCW3qSinyC", valid: true, result: btcutil.TstAddressScriptHash( [ripemd160.Size]byte{ 0xf8, 0x15, 0xb0, 0x36, 0xd9, 0xbb, 0xbc, 0xe5, 0xe9, 0xf2, 0xa0, 0x0a, 0xbd, 0x1b, 0xf3, 0xdc, 0x91, 0xe9, 0x55, 0x10}, btcnet.MainNetParams.ScriptHashAddrID), f: func() (btcutil.Address, error) { script := []byte{ 0x52, 0x41, 0x04, 0x91, 0xbb, 0xa2, 0x51, 0x09, 0x12, 0xa5, 0xbd, 0x37, 0xda, 0x1f, 0xb5, 0xb1, 0x67, 0x30, 0x10, 0xe4, 0x3d, 0x2c, 0x6d, 0x81, 0x2c, 0x51, 0x4e, 0x91, 0xbf, 0xa9, 0xf2, 0xeb, 0x12, 0x9e, 0x1c, 0x18, 0x33, 0x29, 0xdb, 0x55, 0xbd, 0x86, 0x8e, 0x20, 0x9a, 0xac, 0x2f, 0xbc, 0x02, 0xcb, 0x33, 0xd9, 0x8f, 0xe7, 0x4b, 0xf2, 0x3f, 0x0c, 0x23, 0x5d, 0x61, 0x26, 0xb1, 0xd8, 0x33, 0x4f, 0x86, 0x41, 0x04, 0x86, 0x5c, 0x40, 0x29, 0x3a, 0x68, 0x0c, 0xb9, 0xc0, 0x20, 0xe7, 0xb1, 0xe1, 0x06, 0xd8, 0xc1, 0x91, 0x6d, 0x3c, 0xef, 0x99, 0xaa, 0x43, 0x1a, 0x56, 0xd2, 0x53, 0xe6, 0x92, 0x56, 0xda, 0xc0, 0x9e, 0xf1, 0x22, 0xb1, 0xa9, 0x86, 0x81, 0x8a, 0x7c, 0xb6, 0x24, 0x53, 0x2f, 0x06, 0x2c, 0x1d, 0x1f, 0x87, 0x22, 0x08, 0x48, 0x61, 0xc5, 0xc3, 0x29, 0x1c, 0xcf, 0xfe, 0xf4, 0xec, 0x68, 0x74, 0x41, 0x04, 0x8d, 0x24, 0x55, 0xd2, 0x40, 0x3e, 0x08, 0x70, 0x8f, 0xc1, 0xf5, 0x56, 0x00, 0x2f, 0x1b, 0x6c, 0xd8, 0x3f, 0x99, 0x2d, 0x08, 0x50, 0x97, 0xf9, 0x97, 0x4a, 0xb0, 0x8a, 0x28, 0x83, 0x8f, 0x07, 0x89, 0x6f, 0xba, 0xb0, 0x8f, 0x39, 0x49, 0x5e, 0x15, 0xfa, 0x6f, 0xad, 0x6e, 0xdb, 0xfb, 0x1e, 0x75, 0x4e, 0x35, 0xfa, 0x1c, 0x78, 0x44, 0xc4, 0x1f, 0x32, 0x2a, 0x18, 0x63, 0xd4, 0x62, 0x13, 0x53, 0xae} return btcutil.NewAddressScriptHash(script, &btcnet.MainNetParams) }, net: &btcnet.MainNetParams, }, { // Taken from transactions: // output: b0539a45de13b3e0403909b8bd1a555b8cbe45fd4e3f3fda76f3a5f52835c29d // input: (not yet redeemed at time test was written) name: "mainnet p2sh 2", addr: "3NukJ6fYZJ5Kk8bPjycAnruZkE5Q7UW7i8", encoded: "3NukJ6fYZJ5Kk8bPjycAnruZkE5Q7UW7i8", valid: true, result: btcutil.TstAddressScriptHash( [ripemd160.Size]byte{ 0xe8, 0xc3, 0x00, 0xc8, 0x79, 0x86, 0xef, 0xa8, 0x4c, 0x37, 0xc0, 0x51, 0x99, 0x29, 0x01, 0x9e, 0xf8, 0x6e, 0xb5, 0xb4}, btcnet.MainNetParams.ScriptHashAddrID), f: func() (btcutil.Address, error) { hash := []byte{ 0xe8, 0xc3, 0x00, 0xc8, 0x79, 0x86, 0xef, 0xa8, 0x4c, 0x37, 0xc0, 0x51, 0x99, 0x29, 0x01, 0x9e, 0xf8, 0x6e, 0xb5, 0xb4} return btcutil.NewAddressScriptHashFromHash(hash, &btcnet.MainNetParams) }, net: &btcnet.MainNetParams, }, { // Taken from bitcoind base58_keys_valid. name: "testnet p2sh", addr: "2NBFNJTktNa7GZusGbDbGKRZTxdK9VVez3n", encoded: "2NBFNJTktNa7GZusGbDbGKRZTxdK9VVez3n", valid: true, result: btcutil.TstAddressScriptHash( [ripemd160.Size]byte{ 0xc5, 0x79, 0x34, 0x2c, 0x2c, 0x4c, 0x92, 0x20, 0x20, 0x5e, 0x2c, 0xdc, 0x28, 0x56, 0x17, 0x04, 0x0c, 0x92, 0x4a, 0x0a}, btcnet.TestNet3Params.ScriptHashAddrID), f: func() (btcutil.Address, error) { hash := []byte{ 0xc5, 0x79, 0x34, 0x2c, 0x2c, 0x4c, 0x92, 0x20, 0x20, 0x5e, 0x2c, 0xdc, 0x28, 0x56, 0x17, 0x04, 0x0c, 0x92, 0x4a, 0x0a} return btcutil.NewAddressScriptHashFromHash(hash, &btcnet.TestNet3Params) }, net: &btcnet.TestNet3Params, }, // Negative P2SH tests. { name: "p2sh wrong hash length", addr: "", valid: false, f: func() (btcutil.Address, error) { hash := []byte{ 0x00, 0xf8, 0x15, 0xb0, 0x36, 0xd9, 0xbb, 0xbc, 0xe5, 0xe9, 0xf2, 0xa0, 0x0a, 0xbd, 0x1b, 0xf3, 0xdc, 0x91, 0xe9, 0x55, 0x10} return btcutil.NewAddressScriptHashFromHash(hash, &btcnet.MainNetParams) }, }, // Positive P2PK tests. { name: "mainnet p2pk compressed (0x02)", addr: "02192d74d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b4", encoded: "13CG6SJ3yHUXo4Cr2RY4THLLJrNFuG3gUg", valid: true, result: btcutil.TstAddressPubKey( []byte{ 0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4}, btcutil.PKFCompressed, btcnet.MainNetParams.PubKeyHashAddrID), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4} return btcutil.NewAddressPubKey(serializedPubKey, &btcnet.MainNetParams) }, net: &btcnet.MainNetParams, }, { name: "mainnet p2pk compressed (0x03)", addr: "03b0bd634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e65", encoded: "15sHANNUBSh6nDp8XkDPmQcW6n3EFwmvE6", valid: true, result: btcutil.TstAddressPubKey( []byte{ 0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65}, btcutil.PKFCompressed, btcnet.MainNetParams.PubKeyHashAddrID), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65} return btcutil.NewAddressPubKey(serializedPubKey, &btcnet.MainNetParams) }, net: &btcnet.MainNetParams, }, { name: "mainnet p2pk uncompressed (0x04)", addr: "0411db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5cb2" + "e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3", encoded: "12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S", valid: true, result: btcutil.TstAddressPubKey( []byte{ 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}, btcutil.PKFUncompressed, btcnet.MainNetParams.PubKeyHashAddrID), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 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} return btcutil.NewAddressPubKey(serializedPubKey, &btcnet.MainNetParams) }, net: &btcnet.MainNetParams, }, { name: "mainnet p2pk hybrid (0x06)", addr: "06192d74d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b4" + "0d45264838c0bd96852662ce6a847b197376830160c6d2eb5e6a4c44d33f453e", encoded: "1Ja5rs7XBZnK88EuLVcFqYGMEbBitzchmX", valid: true, result: btcutil.TstAddressPubKey( []byte{ 0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4, 0x0d, 0x45, 0x26, 0x48, 0x38, 0xc0, 0xbd, 0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73, 0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c, 0x44, 0xd3, 0x3f, 0x45, 0x3e}, btcutil.PKFHybrid, btcnet.MainNetParams.PubKeyHashAddrID), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4, 0x0d, 0x45, 0x26, 0x48, 0x38, 0xc0, 0xbd, 0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73, 0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c, 0x44, 0xd3, 0x3f, 0x45, 0x3e} return btcutil.NewAddressPubKey(serializedPubKey, &btcnet.MainNetParams) }, net: &btcnet.MainNetParams, }, { name: "mainnet p2pk hybrid (0x07)", addr: "07b0bd634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e65" + "37a576782eba668a7ef8bd3b3cfb1edb7117ab65129b8a2e681f3c1e0908ef7b", encoded: "1ExqMmf6yMxcBMzHjbj41wbqYuqoX6uBLG", valid: true, result: btcutil.TstAddressPubKey( []byte{ 0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65, 0x37, 0xa5, 0x76, 0x78, 0x2e, 0xba, 0x66, 0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71, 0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c, 0x1e, 0x09, 0x08, 0xef, 0x7b}, btcutil.PKFHybrid, btcnet.MainNetParams.PubKeyHashAddrID), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65, 0x37, 0xa5, 0x76, 0x78, 0x2e, 0xba, 0x66, 0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71, 0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c, 0x1e, 0x09, 0x08, 0xef, 0x7b} return btcutil.NewAddressPubKey(serializedPubKey, &btcnet.MainNetParams) }, net: &btcnet.MainNetParams, }, { name: "testnet p2pk compressed (0x02)", addr: "02192d74d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b4", encoded: "mhiDPVP2nJunaAgTjzWSHCYfAqxxrxzjmo", valid: true, result: btcutil.TstAddressPubKey( []byte{ 0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4}, btcutil.PKFCompressed, btcnet.TestNet3Params.PubKeyHashAddrID), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4} return btcutil.NewAddressPubKey(serializedPubKey, &btcnet.TestNet3Params) }, net: &btcnet.TestNet3Params, }, { name: "testnet p2pk compressed (0x03)", addr: "03b0bd634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e65", encoded: "mkPETRTSzU8MZLHkFKBmbKppxmdw9qT42t", valid: true, result: btcutil.TstAddressPubKey( []byte{ 0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65}, btcutil.PKFCompressed, btcnet.TestNet3Params.PubKeyHashAddrID), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65} return btcutil.NewAddressPubKey(serializedPubKey, &btcnet.TestNet3Params) }, net: &btcnet.TestNet3Params, }, { name: "testnet p2pk uncompressed (0x04)", addr: "0411db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5" + "cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3", encoded: "mh8YhPYEAYs3E7EVyKtB5xrcfMExkkdEMF", valid: true, result: btcutil.TstAddressPubKey( []byte{ 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}, btcutil.PKFUncompressed, btcnet.TestNet3Params.PubKeyHashAddrID), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 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} return btcutil.NewAddressPubKey(serializedPubKey, &btcnet.TestNet3Params) }, net: &btcnet.TestNet3Params, }, { name: "testnet p2pk hybrid (0x06)", addr: "06192d74d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b" + "40d45264838c0bd96852662ce6a847b197376830160c6d2eb5e6a4c44d33f453e", encoded: "my639vCVzbDZuEiX44adfTUg6anRomZLEP", valid: true, result: btcutil.TstAddressPubKey( []byte{ 0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4, 0x0d, 0x45, 0x26, 0x48, 0x38, 0xc0, 0xbd, 0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73, 0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c, 0x44, 0xd3, 0x3f, 0x45, 0x3e}, btcutil.PKFHybrid, btcnet.TestNet3Params.PubKeyHashAddrID), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4, 0x0d, 0x45, 0x26, 0x48, 0x38, 0xc0, 0xbd, 0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73, 0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c, 0x44, 0xd3, 0x3f, 0x45, 0x3e} return btcutil.NewAddressPubKey(serializedPubKey, &btcnet.TestNet3Params) }, net: &btcnet.TestNet3Params, }, { name: "testnet p2pk hybrid (0x07)", addr: "07b0bd634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e6" + "537a576782eba668a7ef8bd3b3cfb1edb7117ab65129b8a2e681f3c1e0908ef7b", encoded: "muUnepk5nPPrxUTuTAhRqrpAQuSWS5fVii", valid: true, result: btcutil.TstAddressPubKey( []byte{ 0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65, 0x37, 0xa5, 0x76, 0x78, 0x2e, 0xba, 0x66, 0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71, 0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c, 0x1e, 0x09, 0x08, 0xef, 0x7b}, btcutil.PKFHybrid, btcnet.TestNet3Params.PubKeyHashAddrID), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65, 0x37, 0xa5, 0x76, 0x78, 0x2e, 0xba, 0x66, 0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71, 0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c, 0x1e, 0x09, 0x08, 0xef, 0x7b} return btcutil.NewAddressPubKey(serializedPubKey, &btcnet.TestNet3Params) }, net: &btcnet.TestNet3Params, }, } for _, test := range tests { // Decode addr and compare error against valid. decoded, err := btcutil.DecodeAddress(test.addr, test.net) if (err == nil) != test.valid { t.Errorf("%v: decoding test failed: %v", test.name, err) return } if err == nil { // Ensure the stringer returns the same address as the // original. if decodedStringer, ok := decoded.(fmt.Stringer); ok { if test.addr != decodedStringer.String() { t.Errorf("%v: String on decoded value does not match expected value: %v != %v", test.name, test.addr, decodedStringer.String()) return } } // Encode again and compare against the original. encoded := decoded.EncodeAddress() if test.encoded != encoded { t.Errorf("%v: decoding and encoding produced different addressess: %v != %v", test.name, test.encoded, encoded) return } // Perform type-specific calculations. var saddr []byte switch d := decoded.(type) { case *btcutil.AddressPubKeyHash: saddr = btcutil.TstAddressSAddr(encoded) case *btcutil.AddressScriptHash: saddr = btcutil.TstAddressSAddr(encoded) case *btcutil.AddressPubKey: // Ignore the error here since the script // address is checked below. saddr, _ = hex.DecodeString(d.String()) } // Check script address, as well as the Hash160 method for P2PKH and // P2SH addresses. if !bytes.Equal(saddr, decoded.ScriptAddress()) { t.Errorf("%v: script addresses do not match:\n%x != \n%x", test.name, saddr, decoded.ScriptAddress()) return } switch a := decoded.(type) { case *btcutil.AddressPubKeyHash: if h := a.Hash160()[:]; !bytes.Equal(saddr, h) { t.Errorf("%v: hashes do not match:\n%x != \n%x", test.name, saddr, h) return } case *btcutil.AddressScriptHash: if h := a.Hash160()[:]; !bytes.Equal(saddr, h) { t.Errorf("%v: hashes do not match:\n%x != \n%x", test.name, saddr, h) return } } // Ensure the address is for the expected network. if !decoded.IsForNet(test.net) { t.Errorf("%v: calculated network does not match expected", test.name) return } } if !test.valid { // If address is invalid, but a creation function exists, // verify that it returns a nil addr and non-nil error. if test.f != nil { _, err := test.f() if err == nil { t.Errorf("%v: address is invalid but creating new address succeeded", test.name) return } } continue } // Valid test, compare address created with f against expected result. addr, err := test.f() if err != nil { t.Errorf("%v: address is valid but creating new address failed with error %v", test.name, err) return } if !reflect.DeepEqual(addr, test.result) { t.Errorf("%v: created address does not match expected result", test.name) return } } }
// Address converts the extended key to a standard bitcoin pay-to-pubkey-hash // address for the passed network. func (k *ExtendedKey) Address(net *btcnet.Params) (*btcutil.AddressPubKeyHash, error) { pkHash := btcutil.Hash160(k.pubKeyBytes()) return btcutil.NewAddressPubKeyHash(pkHash, net) }
func TestAddresses(t *testing.T) { tests := []struct { name string addr string valid bool canDecode bool result btcutil.Address f func() (btcutil.Address, error) net btcwire.BitcoinNet }{ // Positive P2PKH tests. { name: "mainnet p2pkh", addr: "1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX", valid: true, canDecode: true, result: btcutil.TstAddressPubKeyHash( [ripemd160.Size]byte{ 0xe3, 0x4c, 0xce, 0x70, 0xc8, 0x63, 0x73, 0x27, 0x3e, 0xfc, 0xc5, 0x4c, 0xe7, 0xd2, 0xa4, 0x91, 0xbb, 0x4a, 0x0e, 0x84}, btcwire.MainNet), f: func() (btcutil.Address, error) { pkHash := []byte{ 0xe3, 0x4c, 0xce, 0x70, 0xc8, 0x63, 0x73, 0x27, 0x3e, 0xfc, 0xc5, 0x4c, 0xe7, 0xd2, 0xa4, 0x91, 0xbb, 0x4a, 0x0e, 0x84} return btcutil.NewAddressPubKeyHash(pkHash, btcwire.MainNet) }, net: btcwire.MainNet, }, { name: "mainnet p2pkh 2", addr: "12MzCDwodF9G1e7jfwLXfR164RNtx4BRVG", valid: true, canDecode: true, result: btcutil.TstAddressPubKeyHash( [ripemd160.Size]byte{ 0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b, 0xf4, 0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad, 0xaa}, btcwire.MainNet), f: func() (btcutil.Address, error) { pkHash := []byte{ 0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b, 0xf4, 0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad, 0xaa} return btcutil.NewAddressPubKeyHash(pkHash, btcwire.MainNet) }, net: btcwire.MainNet, }, { name: "testnet p2pkh", addr: "mrX9vMRYLfVy1BnZbc5gZjuyaqH3ZW2ZHz", valid: true, canDecode: true, result: btcutil.TstAddressPubKeyHash( [ripemd160.Size]byte{ 0x78, 0xb3, 0x16, 0xa0, 0x86, 0x47, 0xd5, 0xb7, 0x72, 0x83, 0xe5, 0x12, 0xd3, 0x60, 0x3f, 0x1f, 0x1c, 0x8d, 0xe6, 0x8f}, btcwire.TestNet3), f: func() (btcutil.Address, error) { pkHash := []byte{ 0x78, 0xb3, 0x16, 0xa0, 0x86, 0x47, 0xd5, 0xb7, 0x72, 0x83, 0xe5, 0x12, 0xd3, 0x60, 0x3f, 0x1f, 0x1c, 0x8d, 0xe6, 0x8f} return btcutil.NewAddressPubKeyHash(pkHash, btcwire.TestNet3) }, net: btcwire.TestNet3, }, // Negative P2PKH tests. { name: "p2pkh wrong byte identifier/net", addr: "MrX9vMRYLfVy1BnZbc5gZjuyaqH3ZW2ZHz", valid: false, canDecode: true, f: func() (btcutil.Address, error) { pkHash := []byte{ 0x78, 0xb3, 0x16, 0xa0, 0x86, 0x47, 0xd5, 0xb7, 0x72, 0x83, 0xe5, 0x12, 0xd3, 0x60, 0x3f, 0x1f, 0x1c, 0x8d, 0xe6, 0x8f} return btcutil.NewAddressPubKeyHash(pkHash, btcwire.TestNet) }, }, { name: "p2pkh wrong hash length", addr: "", valid: false, canDecode: true, f: func() (btcutil.Address, error) { pkHash := []byte{ 0x00, 0x0e, 0xf0, 0x30, 0x10, 0x7f, 0xd2, 0x6e, 0x0b, 0x6b, 0xf4, 0x05, 0x12, 0xbc, 0xa2, 0xce, 0xb1, 0xdd, 0x80, 0xad, 0xaa} return btcutil.NewAddressPubKeyHash(pkHash, btcwire.MainNet) }, }, { name: "p2pkh bad checksum", addr: "1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gY", valid: false, canDecode: true, }, // Positive P2SH tests. { // Taken from transactions: // output: 3c9018e8d5615c306d72397f8f5eef44308c98fb576a88e030c25456b4f3a7ac // input: 837dea37ddc8b1e3ce646f1a656e79bbd8cc7f558ac56a169626d649ebe2a3ba. name: "mainnet p2sh", addr: "3QJmV3qfvL9SuYo34YihAf3sRCW3qSinyC", valid: true, canDecode: true, result: btcutil.TstAddressScriptHash( [ripemd160.Size]byte{ 0xf8, 0x15, 0xb0, 0x36, 0xd9, 0xbb, 0xbc, 0xe5, 0xe9, 0xf2, 0xa0, 0x0a, 0xbd, 0x1b, 0xf3, 0xdc, 0x91, 0xe9, 0x55, 0x10}, btcwire.MainNet), f: func() (btcutil.Address, error) { script := []byte{ 0x52, 0x41, 0x04, 0x91, 0xbb, 0xa2, 0x51, 0x09, 0x12, 0xa5, 0xbd, 0x37, 0xda, 0x1f, 0xb5, 0xb1, 0x67, 0x30, 0x10, 0xe4, 0x3d, 0x2c, 0x6d, 0x81, 0x2c, 0x51, 0x4e, 0x91, 0xbf, 0xa9, 0xf2, 0xeb, 0x12, 0x9e, 0x1c, 0x18, 0x33, 0x29, 0xdb, 0x55, 0xbd, 0x86, 0x8e, 0x20, 0x9a, 0xac, 0x2f, 0xbc, 0x02, 0xcb, 0x33, 0xd9, 0x8f, 0xe7, 0x4b, 0xf2, 0x3f, 0x0c, 0x23, 0x5d, 0x61, 0x26, 0xb1, 0xd8, 0x33, 0x4f, 0x86, 0x41, 0x04, 0x86, 0x5c, 0x40, 0x29, 0x3a, 0x68, 0x0c, 0xb9, 0xc0, 0x20, 0xe7, 0xb1, 0xe1, 0x06, 0xd8, 0xc1, 0x91, 0x6d, 0x3c, 0xef, 0x99, 0xaa, 0x43, 0x1a, 0x56, 0xd2, 0x53, 0xe6, 0x92, 0x56, 0xda, 0xc0, 0x9e, 0xf1, 0x22, 0xb1, 0xa9, 0x86, 0x81, 0x8a, 0x7c, 0xb6, 0x24, 0x53, 0x2f, 0x06, 0x2c, 0x1d, 0x1f, 0x87, 0x22, 0x08, 0x48, 0x61, 0xc5, 0xc3, 0x29, 0x1c, 0xcf, 0xfe, 0xf4, 0xec, 0x68, 0x74, 0x41, 0x04, 0x8d, 0x24, 0x55, 0xd2, 0x40, 0x3e, 0x08, 0x70, 0x8f, 0xc1, 0xf5, 0x56, 0x00, 0x2f, 0x1b, 0x6c, 0xd8, 0x3f, 0x99, 0x2d, 0x08, 0x50, 0x97, 0xf9, 0x97, 0x4a, 0xb0, 0x8a, 0x28, 0x83, 0x8f, 0x07, 0x89, 0x6f, 0xba, 0xb0, 0x8f, 0x39, 0x49, 0x5e, 0x15, 0xfa, 0x6f, 0xad, 0x6e, 0xdb, 0xfb, 0x1e, 0x75, 0x4e, 0x35, 0xfa, 0x1c, 0x78, 0x44, 0xc4, 0x1f, 0x32, 0x2a, 0x18, 0x63, 0xd4, 0x62, 0x13, 0x53, 0xae} return btcutil.NewAddressScriptHash(script, btcwire.MainNet) }, net: btcwire.MainNet, }, { // Taken from transactions: // output: b0539a45de13b3e0403909b8bd1a555b8cbe45fd4e3f3fda76f3a5f52835c29d // input: (not yet redeemed at time test was written) name: "mainnet p2sh 2", addr: "3NukJ6fYZJ5Kk8bPjycAnruZkE5Q7UW7i8", valid: true, canDecode: true, result: btcutil.TstAddressScriptHash( [ripemd160.Size]byte{ 0xe8, 0xc3, 0x00, 0xc8, 0x79, 0x86, 0xef, 0xa8, 0x4c, 0x37, 0xc0, 0x51, 0x99, 0x29, 0x01, 0x9e, 0xf8, 0x6e, 0xb5, 0xb4}, btcwire.MainNet), f: func() (btcutil.Address, error) { hash := []byte{ 0xe8, 0xc3, 0x00, 0xc8, 0x79, 0x86, 0xef, 0xa8, 0x4c, 0x37, 0xc0, 0x51, 0x99, 0x29, 0x01, 0x9e, 0xf8, 0x6e, 0xb5, 0xb4} return btcutil.NewAddressScriptHashFromHash(hash, btcwire.MainNet) }, net: btcwire.MainNet, }, { // Taken from bitcoind base58_keys_valid. name: "testnet p2sh", addr: "2NBFNJTktNa7GZusGbDbGKRZTxdK9VVez3n", valid: true, canDecode: true, result: btcutil.TstAddressScriptHash( [ripemd160.Size]byte{ 0xc5, 0x79, 0x34, 0x2c, 0x2c, 0x4c, 0x92, 0x20, 0x20, 0x5e, 0x2c, 0xdc, 0x28, 0x56, 0x17, 0x04, 0x0c, 0x92, 0x4a, 0x0a}, btcwire.TestNet3), f: func() (btcutil.Address, error) { hash := []byte{ 0xc5, 0x79, 0x34, 0x2c, 0x2c, 0x4c, 0x92, 0x20, 0x20, 0x5e, 0x2c, 0xdc, 0x28, 0x56, 0x17, 0x04, 0x0c, 0x92, 0x4a, 0x0a} return btcutil.NewAddressScriptHashFromHash(hash, btcwire.TestNet3) }, net: btcwire.TestNet3, }, // Negative P2SH tests. { name: "p2sh wrong hash length", addr: "", valid: false, canDecode: true, f: func() (btcutil.Address, error) { hash := []byte{ 0x00, 0xf8, 0x15, 0xb0, 0x36, 0xd9, 0xbb, 0xbc, 0xe5, 0xe9, 0xf2, 0xa0, 0x0a, 0xbd, 0x1b, 0xf3, 0xdc, 0x91, 0xe9, 0x55, 0x10} return btcutil.NewAddressScriptHashFromHash(hash, btcwire.MainNet) }, }, { name: "p2sh wrong byte identifier/net", addr: "0NBFNJTktNa7GZusGbDbGKRZTxdK9VVez3n", valid: false, canDecode: true, f: func() (btcutil.Address, error) { hash := []byte{ 0xc5, 0x79, 0x34, 0x2c, 0x2c, 0x4c, 0x92, 0x20, 0x20, 0x5e, 0x2c, 0xdc, 0x28, 0x56, 0x17, 0x04, 0x0c, 0x92, 0x4a, 0x0a} return btcutil.NewAddressScriptHashFromHash(hash, btcwire.TestNet) }, }, // Positive P2PK tests. { name: "mainnet p2pk compressed (0x02)", addr: "13CG6SJ3yHUXo4Cr2RY4THLLJrNFuG3gUg", valid: true, canDecode: false, result: btcutil.TstAddressPubKey( []byte{ 0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4}, btcutil.PKFCompressed, btcwire.MainNet), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4} return btcutil.NewAddressPubKey(serializedPubKey, btcwire.MainNet) }, net: btcwire.MainNet, }, { name: "mainnet p2pk compressed (0x03)", addr: "15sHANNUBSh6nDp8XkDPmQcW6n3EFwmvE6", valid: true, canDecode: false, result: btcutil.TstAddressPubKey( []byte{ 0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65}, btcutil.PKFCompressed, btcwire.MainNet), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65} return btcutil.NewAddressPubKey(serializedPubKey, btcwire.MainNet) }, net: btcwire.MainNet, }, { name: "mainnet p2pk uncompressed (0x04)", addr: "12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S", valid: true, canDecode: false, result: btcutil.TstAddressPubKey( []byte{ 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}, btcutil.PKFUncompressed, btcwire.MainNet), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 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} return btcutil.NewAddressPubKey(serializedPubKey, btcwire.MainNet) }, net: btcwire.MainNet, }, { name: "mainnet p2pk hybrid (0x06)", addr: "1Ja5rs7XBZnK88EuLVcFqYGMEbBitzchmX", valid: true, canDecode: false, result: btcutil.TstAddressPubKey( []byte{ 0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4, 0x0d, 0x45, 0x26, 0x48, 0x38, 0xc0, 0xbd, 0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73, 0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c, 0x44, 0xd3, 0x3f, 0x45, 0x3e}, btcutil.PKFHybrid, btcwire.MainNet), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4, 0x0d, 0x45, 0x26, 0x48, 0x38, 0xc0, 0xbd, 0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73, 0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c, 0x44, 0xd3, 0x3f, 0x45, 0x3e} return btcutil.NewAddressPubKey(serializedPubKey, btcwire.MainNet) }, net: btcwire.MainNet, }, { name: "mainnet p2pk hybrid (0x07)", addr: "1ExqMmf6yMxcBMzHjbj41wbqYuqoX6uBLG", valid: true, canDecode: false, result: btcutil.TstAddressPubKey( []byte{ 0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65, 0x37, 0xa5, 0x76, 0x78, 0x2e, 0xba, 0x66, 0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71, 0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c, 0x1e, 0x09, 0x08, 0xef, 0x7b}, btcutil.PKFHybrid, btcwire.MainNet), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65, 0x37, 0xa5, 0x76, 0x78, 0x2e, 0xba, 0x66, 0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71, 0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c, 0x1e, 0x09, 0x08, 0xef, 0x7b} return btcutil.NewAddressPubKey(serializedPubKey, btcwire.MainNet) }, net: btcwire.MainNet, }, { name: "testnet p2pk compressed (0x02)", addr: "mhiDPVP2nJunaAgTjzWSHCYfAqxxrxzjmo", valid: true, canDecode: false, result: btcutil.TstAddressPubKey( []byte{ 0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4}, btcutil.PKFCompressed, btcwire.TestNet3), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x02, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4} return btcutil.NewAddressPubKey(serializedPubKey, btcwire.TestNet3) }, net: btcwire.TestNet3, }, { name: "testnet p2pk compressed (0x03)", addr: "mkPETRTSzU8MZLHkFKBmbKppxmdw9qT42t", valid: true, canDecode: false, result: btcutil.TstAddressPubKey( []byte{ 0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65}, btcutil.PKFCompressed, btcwire.TestNet3), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x03, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65} return btcutil.NewAddressPubKey(serializedPubKey, btcwire.TestNet3) }, net: btcwire.TestNet3, }, { name: "testnet p2pk uncompressed (0x04)", addr: "mh8YhPYEAYs3E7EVyKtB5xrcfMExkkdEMF", valid: true, canDecode: false, result: btcutil.TstAddressPubKey( []byte{ 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}, btcutil.PKFUncompressed, btcwire.TestNet3), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 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} return btcutil.NewAddressPubKey(serializedPubKey, btcwire.TestNet3) }, net: btcwire.TestNet3, }, { name: "testnet p2pk hybrid (0x06)", addr: "my639vCVzbDZuEiX44adfTUg6anRomZLEP", valid: true, canDecode: false, result: btcutil.TstAddressPubKey( []byte{ 0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4, 0x0d, 0x45, 0x26, 0x48, 0x38, 0xc0, 0xbd, 0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73, 0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c, 0x44, 0xd3, 0x3f, 0x45, 0x3e}, btcutil.PKFHybrid, btcwire.TestNet3), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x06, 0x19, 0x2d, 0x74, 0xd0, 0xcb, 0x94, 0x34, 0x4c, 0x95, 0x69, 0xc2, 0xe7, 0x79, 0x01, 0x57, 0x3d, 0x8d, 0x79, 0x03, 0xc3, 0xeb, 0xec, 0x3a, 0x95, 0x77, 0x24, 0x89, 0x5d, 0xca, 0x52, 0xc6, 0xb4, 0x0d, 0x45, 0x26, 0x48, 0x38, 0xc0, 0xbd, 0x96, 0x85, 0x26, 0x62, 0xce, 0x6a, 0x84, 0x7b, 0x19, 0x73, 0x76, 0x83, 0x01, 0x60, 0xc6, 0xd2, 0xeb, 0x5e, 0x6a, 0x4c, 0x44, 0xd3, 0x3f, 0x45, 0x3e} return btcutil.NewAddressPubKey(serializedPubKey, btcwire.TestNet3) }, net: btcwire.TestNet3, }, { name: "testnet p2pk hybrid (0x07)", addr: "muUnepk5nPPrxUTuTAhRqrpAQuSWS5fVii", valid: true, canDecode: false, result: btcutil.TstAddressPubKey( []byte{ 0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65, 0x37, 0xa5, 0x76, 0x78, 0x2e, 0xba, 0x66, 0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71, 0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c, 0x1e, 0x09, 0x08, 0xef, 0x7b}, btcutil.PKFHybrid, btcwire.TestNet3), f: func() (btcutil.Address, error) { serializedPubKey := []byte{ 0x07, 0xb0, 0xbd, 0x63, 0x42, 0x34, 0xab, 0xbb, 0x1b, 0xa1, 0xe9, 0x86, 0xe8, 0x84, 0x18, 0x5c, 0x61, 0xcf, 0x43, 0xe0, 0x01, 0xf9, 0x13, 0x7f, 0x23, 0xc2, 0xc4, 0x09, 0x27, 0x3e, 0xb1, 0x6e, 0x65, 0x37, 0xa5, 0x76, 0x78, 0x2e, 0xba, 0x66, 0x8a, 0x7e, 0xf8, 0xbd, 0x3b, 0x3c, 0xfb, 0x1e, 0xdb, 0x71, 0x17, 0xab, 0x65, 0x12, 0x9b, 0x8a, 0x2e, 0x68, 0x1f, 0x3c, 0x1e, 0x09, 0x08, 0xef, 0x7b} return btcutil.NewAddressPubKey(serializedPubKey, btcwire.TestNet3) }, net: btcwire.TestNet3, }, } for _, test := range tests { var decoded btcutil.Address var err error if test.canDecode { // Decode addr and compare error against valid. decoded, err = btcutil.DecodeAddr(test.addr) if (err == nil) != test.valid { t.Errorf("%v: decoding test failed", test.name) return } } else { // The address can't be decoded directly, so instead // call the creation function. decoded, err = test.f() if (err == nil) != test.valid { t.Errorf("%v: creation test failed", test.name) return } } // If decoding succeeded, encode again and compare against the original. if err == nil { encoded := decoded.EncodeAddress() // Compare encoded addr against the original encoding. if test.addr != encoded { t.Errorf("%v: decoding and encoding produced different addressess: %v != %v", test.name, test.addr, encoded) return } // Perform type-specific calculations. var saddr []byte var net btcwire.BitcoinNet switch d := decoded.(type) { case *btcutil.AddressPubKeyHash: saddr = btcutil.TstAddressSAddr(encoded) // Net is not part of the Address interface and // must be calculated here. net = d.Net() case *btcutil.AddressScriptHash: saddr = btcutil.TstAddressSAddr(encoded) // Net is not part of the Address interface and // must be calculated here. net = d.Net() case *btcutil.AddressPubKey: // Ignore the error here since the script // address is checked below. saddr, _ = hex.DecodeString(d.String()) // Net is not part of the Address interface and // must be calculated here. net = d.Net() } // Check script address. if !bytes.Equal(saddr, decoded.ScriptAddress()) { t.Errorf("%v: script addresses do not match:\n%x != \n%x", test.name, saddr, decoded.ScriptAddress()) return } // Check networks. This check always succeeds for non-P2PKH and // non-P2SH addresses as both nets will be Go's default zero value. if net != test.net { t.Errorf("%v: calculated network does not match expected", test.name) return } } if !test.valid { // If address is invalid, but a creation function exists, // verify that it returns a nil addr and non-nil error. if test.f != nil { _, err := test.f() if err == nil { t.Errorf("%v: address is invalid but creating new address succeeded", test.name) return } } continue } // Valid test, compare address created with f against expected result. addr, err := test.f() if err != nil { t.Errorf("%v: address is valid but creating new address failed with error %v", test.name, err) return } if !reflect.DeepEqual(addr, test.result) { t.Errorf("%v: created address does not match expected result", test.name) return } } }
// txToPairs creates a raw transaction sending the amounts for each // address/amount pair and fee to each address and the miner. minconf // specifies the minimum number of confirmations required before an // unspent output is eligible for spending. Leftover input funds not sent // to addr or as a fee for the miner are sent to a newly generated // address. If change is needed to return funds back to an owned // address, changeUtxo will point to a unconfirmed (height = -1, zeroed // block hash) Utxo. ErrInsufficientFunds is returned if there are not // enough eligible unspent outputs to create the transaction. func (a *Account) txToPairs(pairs map[string]int64, minconf int) (*CreatedTx, error) { // Create a new transaction which will include all input scripts. msgtx := btcwire.NewMsgTx() // Calculate minimum amount needed for inputs. var amt int64 for _, v := range pairs { // Error out if any amount is negative. if v <= 0 { return nil, ErrNonPositiveAmount } amt += v } // outputs is a tx.Pair slice representing each output that is created // by the transaction. outputs := make([]tx.Pair, 0, len(pairs)+1) // Add outputs to new tx. for addrStr, amt := range pairs { addr, err := btcutil.DecodeAddr(addrStr) if err != nil { return nil, fmt.Errorf("cannot decode address: %s", err) } // Add output to spend amt to addr. pkScript, err := btcscript.PayToAddrScript(addr) if err != nil { return nil, fmt.Errorf("cannot create txout script: %s", err) } txout := btcwire.NewTxOut(int64(amt), pkScript) msgtx.AddTxOut(txout) // Create amount, address pair and add to outputs. out := tx.Pair{ Amount: amt, PubkeyHash: addr.ScriptAddress(), } outputs = append(outputs, out) } // Get current block's height and hash. bs, err := GetCurBlock() if err != nil { return nil, err } // Make a copy of msgtx before any inputs are added. This will be // used as a starting point when trying a fee and starting over with // a higher fee if not enough was originally chosen. txNoInputs := msgtx.Copy() // These are nil/zeroed until a change address is needed, and reused // again in case a change utxo has already been chosen. var changeAddr *btcutil.AddressPubKeyHash var btcspent int64 var selectedInputs []*tx.Utxo var finalChangeUtxo *tx.Utxo // Get the number of satoshis to increment fee by when searching for // the minimum tx fee needed. fee := int64(0) for { msgtx = txNoInputs.Copy() // Select unspent outputs to be used in transaction based on the amount // neededing to sent, and the current fee estimation. inputs, btcin, err := selectInputs(a.UtxoStore, uint64(amt+fee), minconf) if err != nil { return nil, err } // Check if there are leftover unspent outputs, and return coins back to // a new address we own. var changeUtxo *tx.Utxo change := btcin - uint64(amt+fee) if change > 0 { // Create a new address to spend leftover outputs to. // Get a new change address if one has not already been found. if changeAddr == nil { changeAddr, err = a.ChangeAddress(&bs, cfg.KeypoolSize) if err != nil { return nil, fmt.Errorf("failed to get next address: %s", err) } // Mark change address as belonging to this account. MarkAddressForAccount(changeAddr.EncodeAddress(), a.Name()) } // Spend change. pkScript, err := btcscript.PayToAddrScript(changeAddr) if err != nil { return nil, fmt.Errorf("cannot create txout script: %s", err) } msgtx.AddTxOut(btcwire.NewTxOut(int64(change), pkScript)) changeUtxo = &tx.Utxo{ Amt: change, Out: tx.OutPoint{ // Hash is unset (zeroed) here and must be filled in // with the transaction hash of the complete // transaction. Index: uint32(len(pairs)), }, Height: -1, Subscript: pkScript, } copy(changeUtxo.AddrHash[:], changeAddr.ScriptAddress()) } // Selected unspent outputs become new transaction's inputs. for _, ip := range inputs { msgtx.AddTxIn(btcwire.NewTxIn((*btcwire.OutPoint)(&ip.Out), nil)) } for i, ip := range inputs { // Error is ignored as the length and network checks can never fail // for these inputs. addr, _ := btcutil.NewAddressPubKeyHash(ip.AddrHash[:], a.Wallet.Net()) privkey, err := a.AddressKey(addr) if err == wallet.ErrWalletLocked { return nil, wallet.ErrWalletLocked } else if err != nil { return nil, fmt.Errorf("cannot get address key: %v", err) } ai, err := a.AddressInfo(addr) if err != nil { return nil, fmt.Errorf("cannot get address info: %v", err) } sigscript, err := btcscript.SignatureScript(msgtx, i, ip.Subscript, btcscript.SigHashAll, privkey, ai.Compressed) if err != nil { return nil, fmt.Errorf("cannot create sigscript: %s", err) } msgtx.TxIn[i].SignatureScript = sigscript } noFeeAllowed := false if !cfg.DisallowFree { noFeeAllowed = allowFree(bs.Height, inputs, msgtx.SerializeSize()) } if minFee := minimumFee(msgtx, noFeeAllowed); fee < minFee { fee = minFee } else { // Fill Tx hash of change outpoint with transaction hash. if changeUtxo != nil { txHash, err := msgtx.TxSha() if err != nil { return nil, fmt.Errorf("cannot create transaction hash: %s", err) } copy(changeUtxo.Out.Hash[:], txHash[:]) // Add change to outputs. out := tx.Pair{ Amount: int64(change), PubkeyHash: changeAddr.ScriptAddress(), Change: true, } outputs = append(outputs, out) finalChangeUtxo = changeUtxo } selectedInputs = inputs btcspent = int64(btcin) break } } // Validate msgtx before returning the raw transaction. flags := btcscript.ScriptCanonicalSignatures bip16 := time.Now().After(btcscript.Bip16Activation) if bip16 { flags |= btcscript.ScriptBip16 } for i, txin := range msgtx.TxIn { engine, err := btcscript.NewScript(txin.SignatureScript, selectedInputs[i].Subscript, i, msgtx, flags) if err != nil { return nil, fmt.Errorf("cannot create script engine: %s", err) } if err = engine.Execute(); err != nil { return nil, fmt.Errorf("cannot validate transaction: %s", err) } } txid, err := msgtx.TxSha() if err != nil { return nil, fmt.Errorf("cannot create txid for created tx: %v", err) } buf := new(bytes.Buffer) msgtx.BtcEncode(buf, btcwire.ProtocolVersion) info := &CreatedTx{ rawTx: buf.Bytes(), txid: txid, time: time.Now(), inputs: selectedInputs, outputs: outputs, btcspent: btcspent, fee: fee, changeAddr: changeAddr, changeUtxo: finalChangeUtxo, } return info, nil }