fdc2bc867b
This converts the majority of script errors from generic errors created via errors.New and fmt.Errorf to use a concrete type that implements the error interface with an error code and description. This allows callers to programmatically detect the type of error via type assertions and an error code while still allowing the errors to provide more context. For example, instead of just having an error the reads "disabled opcode" as would happen prior to these changes when a disabled opcode is encountered, the error will now read "attempt to execute disabled opcode OP_FOO". While it was previously possible to programmatically detect many errors due to them being exported, they provided no additional context and there were also various instances that were just returning errors created on the spot which callers could not reliably detect without resorting to looking at the actual error message, which is nearly always bad practice. Also, while here, export the MaxStackSize and MaxScriptSize constants since they can be useful for consumers of the package and perform some minor cleanup of some of the tests.
1107 lines
32 KiB
Go
1107 lines
32 KiB
Go
// Copyright (c) 2013-2017 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package txscript
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import (
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"bytes"
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"reflect"
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"testing"
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"github.com/btcsuite/btcd/chaincfg"
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"github.com/btcsuite/btcutil"
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)
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// mustParseShortForm parses the passed short form script and returns the
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// resulting bytes. It panics if an error occurs. This is only used in the
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// tests as a helper since the only way it can fail is if there is an error in
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// the test source code.
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func mustParseShortForm(script string) []byte {
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s, err := parseShortForm(script)
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if err != nil {
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panic("invalid short form script in test source: err " +
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err.Error() + ", script: " + script)
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}
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return s
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}
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// newAddressPubKey returns a new btcutil.AddressPubKey from the provided
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// serialized public key. It panics if an error occurs. This is only used in
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// the tests as a helper since the only way it can fail is if there is an error
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// in the test source code.
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func newAddressPubKey(serializedPubKey []byte) btcutil.Address {
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addr, err := btcutil.NewAddressPubKey(serializedPubKey,
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&chaincfg.MainNetParams)
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if err != nil {
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panic("invalid public key in test source")
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}
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return addr
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}
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// newAddressPubKeyHash returns a new btcutil.AddressPubKeyHash from the
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// provided hash. It panics if an error occurs. This is only used in the tests
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// as a helper since the only way it can fail is if there is an error in the
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// test source code.
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func newAddressPubKeyHash(pkHash []byte) btcutil.Address {
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addr, err := btcutil.NewAddressPubKeyHash(pkHash, &chaincfg.MainNetParams)
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if err != nil {
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panic("invalid public key hash in test source")
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}
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return addr
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}
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// newAddressScriptHash returns a new btcutil.AddressScriptHash from the
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// provided hash. It panics if an error occurs. This is only used in the tests
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// as a helper since the only way it can fail is if there is an error in the
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// test source code.
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func newAddressScriptHash(scriptHash []byte) btcutil.Address {
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addr, err := btcutil.NewAddressScriptHashFromHash(scriptHash,
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&chaincfg.MainNetParams)
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if err != nil {
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panic("invalid script hash in test source")
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}
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return addr
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}
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// TestExtractPkScriptAddrs ensures that extracting the type, addresses, and
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// number of required signatures from PkScripts works as intended.
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func TestExtractPkScriptAddrs(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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script []byte
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addrs []btcutil.Address
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reqSigs int
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class ScriptClass
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}{
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{
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name: "standard p2pk with compressed pubkey (0x02)",
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script: hexToBytes("2102192d74d0cb94344c9569c2e779015" +
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"73d8d7903c3ebec3a957724895dca52c6b4ac"),
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addrs: []btcutil.Address{
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newAddressPubKey(hexToBytes("02192d74d0cb9434" +
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"4c9569c2e77901573d8d7903c3ebec3a9577" +
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"24895dca52c6b4")),
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},
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reqSigs: 1,
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class: PubKeyTy,
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},
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{
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name: "standard p2pk with uncompressed pubkey (0x04)",
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script: hexToBytes("410411db93e1dcdb8a016b49840f8c53b" +
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"c1eb68a382e97b1482ecad7b148a6909a5cb2e0eaddf" +
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"b84ccf9744464f82e160bfa9b8b64f9d4c03f999b864" +
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"3f656b412a3ac"),
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addrs: []btcutil.Address{
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newAddressPubKey(hexToBytes("0411db93e1dcdb8a" +
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"016b49840f8c53bc1eb68a382e97b1482eca" +
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"d7b148a6909a5cb2e0eaddfb84ccf9744464" +
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"f82e160bfa9b8b64f9d4c03f999b8643f656" +
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"b412a3")),
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},
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reqSigs: 1,
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class: PubKeyTy,
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},
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{
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name: "standard p2pk with hybrid pubkey (0x06)",
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script: hexToBytes("4106192d74d0cb94344c9569c2e779015" +
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"73d8d7903c3ebec3a957724895dca52c6b40d4526483" +
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"8c0bd96852662ce6a847b197376830160c6d2eb5e6a4" +
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"c44d33f453eac"),
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addrs: []btcutil.Address{
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newAddressPubKey(hexToBytes("06192d74d0cb9434" +
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"4c9569c2e77901573d8d7903c3ebec3a9577" +
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"24895dca52c6b40d45264838c0bd96852662" +
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"ce6a847b197376830160c6d2eb5e6a4c44d3" +
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"3f453e")),
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},
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reqSigs: 1,
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class: PubKeyTy,
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},
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{
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name: "standard p2pk with compressed pubkey (0x03)",
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script: hexToBytes("2103b0bd634234abbb1ba1e986e884185" +
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"c61cf43e001f9137f23c2c409273eb16e65ac"),
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addrs: []btcutil.Address{
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newAddressPubKey(hexToBytes("03b0bd634234abbb" +
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"1ba1e986e884185c61cf43e001f9137f23c2" +
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"c409273eb16e65")),
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},
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reqSigs: 1,
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class: PubKeyTy,
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},
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{
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name: "2nd standard p2pk with uncompressed pubkey (0x04)",
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script: hexToBytes("4104b0bd634234abbb1ba1e986e884185" +
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"c61cf43e001f9137f23c2c409273eb16e6537a576782" +
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"eba668a7ef8bd3b3cfb1edb7117ab65129b8a2e681f3" +
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"c1e0908ef7bac"),
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addrs: []btcutil.Address{
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newAddressPubKey(hexToBytes("04b0bd634234abbb" +
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"1ba1e986e884185c61cf43e001f9137f23c2" +
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"c409273eb16e6537a576782eba668a7ef8bd" +
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"3b3cfb1edb7117ab65129b8a2e681f3c1e09" +
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"08ef7b")),
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},
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reqSigs: 1,
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class: PubKeyTy,
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},
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{
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name: "standard p2pk with hybrid pubkey (0x07)",
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script: hexToBytes("4107b0bd634234abbb1ba1e986e884185" +
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"c61cf43e001f9137f23c2c409273eb16e6537a576782" +
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"eba668a7ef8bd3b3cfb1edb7117ab65129b8a2e681f3" +
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"c1e0908ef7bac"),
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addrs: []btcutil.Address{
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newAddressPubKey(hexToBytes("07b0bd634234abbb" +
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"1ba1e986e884185c61cf43e001f9137f23c2" +
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"c409273eb16e6537a576782eba668a7ef8bd" +
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"3b3cfb1edb7117ab65129b8a2e681f3c1e09" +
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"08ef7b")),
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},
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reqSigs: 1,
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class: PubKeyTy,
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},
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{
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name: "standard p2pkh",
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script: hexToBytes("76a914ad06dd6ddee55cbca9a9e3713bd" +
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"7587509a3056488ac"),
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addrs: []btcutil.Address{
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newAddressPubKeyHash(hexToBytes("ad06dd6ddee5" +
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"5cbca9a9e3713bd7587509a30564")),
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},
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reqSigs: 1,
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class: PubKeyHashTy,
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},
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{
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name: "standard p2sh",
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script: hexToBytes("a91463bcc565f9e68ee0189dd5cc67f1b" +
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"0e5f02f45cb87"),
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addrs: []btcutil.Address{
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newAddressScriptHash(hexToBytes("63bcc565f9e6" +
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"8ee0189dd5cc67f1b0e5f02f45cb")),
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},
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reqSigs: 1,
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class: ScriptHashTy,
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},
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// from real tx 60a20bd93aa49ab4b28d514ec10b06e1829ce6818ec06cd3aabd013ebcdc4bb1, vout 0
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{
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name: "standard 1 of 2 multisig",
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script: hexToBytes("514104cc71eb30d653c0c3163990c47b9" +
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"76f3fb3f37cccdcbedb169a1dfef58bbfbfaff7d8a47" +
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"3e7e2e6d317b87bafe8bde97e3cf8f065dec022b51d1" +
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"1fcdd0d348ac4410461cbdcc5409fb4b4d42b51d3338" +
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"1354d80e550078cb532a34bfa2fcfdeb7d76519aecc6" +
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"2770f5b0e4ef8551946d8a540911abe3e7854a26f39f" +
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"58b25c15342af52ae"),
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addrs: []btcutil.Address{
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newAddressPubKey(hexToBytes("04cc71eb30d653c0" +
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"c3163990c47b976f3fb3f37cccdcbedb169a" +
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"1dfef58bbfbfaff7d8a473e7e2e6d317b87b" +
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"afe8bde97e3cf8f065dec022b51d11fcdd0d" +
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"348ac4")),
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newAddressPubKey(hexToBytes("0461cbdcc5409fb4" +
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"b4d42b51d33381354d80e550078cb532a34b" +
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"fa2fcfdeb7d76519aecc62770f5b0e4ef855" +
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"1946d8a540911abe3e7854a26f39f58b25c1" +
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"5342af")),
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},
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reqSigs: 1,
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class: MultiSigTy,
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},
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// from real tx d646f82bd5fbdb94a36872ce460f97662b80c3050ad3209bef9d1e398ea277ab, vin 1
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{
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name: "standard 2 of 3 multisig",
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script: hexToBytes("524104cb9c3c222c5f7a7d3b9bd152f36" +
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"3a0b6d54c9eb312c4d4f9af1e8551b6c421a6a4ab0e2" +
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"9105f24de20ff463c1c91fcf3bf662cdde4783d4799f" +
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"787cb7c08869b4104ccc588420deeebea22a7e900cc8" +
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"b68620d2212c374604e3487ca08f1ff3ae12bdc63951" +
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"4d0ec8612a2d3c519f084d9a00cbbe3b53d071e9b09e" +
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"71e610b036aa24104ab47ad1939edcb3db65f7fedea6" +
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"2bbf781c5410d3f22a7a3a56ffefb2238af8627363bd" +
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"f2ed97c1f89784a1aecdb43384f11d2acc64443c7fc2" +
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"99cef0400421a53ae"),
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addrs: []btcutil.Address{
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newAddressPubKey(hexToBytes("04cb9c3c222c5f7a" +
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"7d3b9bd152f363a0b6d54c9eb312c4d4f9af" +
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"1e8551b6c421a6a4ab0e29105f24de20ff46" +
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"3c1c91fcf3bf662cdde4783d4799f787cb7c" +
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"08869b")),
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newAddressPubKey(hexToBytes("04ccc588420deeeb" +
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"ea22a7e900cc8b68620d2212c374604e3487" +
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"ca08f1ff3ae12bdc639514d0ec8612a2d3c5" +
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"19f084d9a00cbbe3b53d071e9b09e71e610b" +
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"036aa2")),
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newAddressPubKey(hexToBytes("04ab47ad1939edcb" +
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"3db65f7fedea62bbf781c5410d3f22a7a3a5" +
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"6ffefb2238af8627363bdf2ed97c1f89784a" +
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"1aecdb43384f11d2acc64443c7fc299cef04" +
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"00421a")),
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},
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reqSigs: 2,
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class: MultiSigTy,
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},
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// The below are nonstandard script due to things such as
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// invalid pubkeys, failure to parse, and not being of a
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// standard form.
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{
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name: "p2pk with uncompressed pk missing OP_CHECKSIG",
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script: hexToBytes("410411db93e1dcdb8a016b49840f8c53b" +
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"c1eb68a382e97b1482ecad7b148a6909a5cb2e0eaddf" +
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"b84ccf9744464f82e160bfa9b8b64f9d4c03f999b864" +
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"3f656b412a3"),
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addrs: nil,
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reqSigs: 0,
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class: NonStandardTy,
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},
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{
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name: "valid signature from a sigscript - no addresses",
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script: hexToBytes("47304402204e45e16932b8af514961a1d" +
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"3a1a25fdf3f4f7732e9d624c6c61548ab5fb8cd41022" +
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"0181522ec8eca07de4860a4acdd12909d831cc56cbba" +
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"c4622082221a8768d1d0901"),
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addrs: nil,
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reqSigs: 0,
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class: NonStandardTy,
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},
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// Note the technically the pubkey is the second item on the
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// stack, but since the address extraction intentionally only
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// works with standard PkScripts, this should not return any
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// addresses.
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{
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name: "valid sigscript to reedeem p2pk - no addresses",
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script: hexToBytes("493046022100ddc69738bf2336318e4e0" +
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"41a5a77f305da87428ab1606f023260017854350ddc0" +
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"22100817af09d2eec36862d16009852b7e3a0f6dd765" +
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"98290b7834e1453660367e07a014104cd4240c198e12" +
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"523b6f9cb9f5bed06de1ba37e96a1bbd13745fcf9d11" +
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"c25b1dff9a519675d198804ba9962d3eca2d5937d58e" +
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"5a75a71042d40388a4d307f887d"),
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addrs: nil,
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reqSigs: 0,
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class: NonStandardTy,
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},
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// from real tx 691dd277dc0e90a462a3d652a1171686de49cf19067cd33c7df0392833fb986a, vout 0
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// invalid public keys
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{
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name: "1 of 3 multisig with invalid pubkeys",
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script: hexToBytes("51411c2200007353455857696b696c656" +
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"16b73204361626c6567617465204261636b75700a0a6" +
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"361626c65676174652d3230313031323034313831312" +
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"e377a0a0a446f41776e6c6f61642074686520666f6c6" +
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"c6f77696e67207472616e73616374696f6e732077697" +
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"468205361746f736869204e616b616d6f746f2773206" +
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"46f776e6c6f61416420746f6f6c2077686963680a636" +
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"16e20626520666f756e6420696e207472616e7361637" +
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"4696f6e2036633533636439383731313965663739376" +
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"435616463636453ae"),
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addrs: []btcutil.Address{},
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reqSigs: 1,
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class: MultiSigTy,
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},
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// from real tx: 691dd277dc0e90a462a3d652a1171686de49cf19067cd33c7df0392833fb986a, vout 44
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// invalid public keys
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{
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name: "1 of 3 multisig with invalid pubkeys 2",
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script: hexToBytes("514134633365633235396337346461636" +
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"536666430383862343463656638630a6336366263313" +
|
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"93936633862393461333831316233363536313866653" +
|
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"16539623162354136636163636539393361333938386" +
|
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"134363966636336643664616266640a3236363363666" +
|
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"13963663463303363363039633539336333653931666" +
|
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"56465373032392131323364643432643235363339643" +
|
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"338613663663530616234636434340a00000053ae"),
|
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addrs: []btcutil.Address{},
|
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reqSigs: 1,
|
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class: MultiSigTy,
|
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},
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{
|
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name: "empty script",
|
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script: []byte{},
|
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addrs: nil,
|
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reqSigs: 0,
|
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class: NonStandardTy,
|
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},
|
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{
|
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name: "script that does not parse",
|
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script: []byte{OP_DATA_45},
|
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addrs: nil,
|
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reqSigs: 0,
|
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class: NonStandardTy,
|
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},
|
|
}
|
|
|
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t.Logf("Running %d tests.", len(tests))
|
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for i, test := range tests {
|
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class, addrs, reqSigs, err := ExtractPkScriptAddrs(
|
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test.script, &chaincfg.MainNetParams)
|
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if err != nil {
|
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}
|
|
|
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if !reflect.DeepEqual(addrs, test.addrs) {
|
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t.Errorf("ExtractPkScriptAddrs #%d (%s) unexpected "+
|
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"addresses\ngot %v\nwant %v", i, test.name,
|
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addrs, test.addrs)
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continue
|
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}
|
|
|
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if reqSigs != test.reqSigs {
|
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t.Errorf("ExtractPkScriptAddrs #%d (%s) unexpected "+
|
|
"number of required signatures - got %d, "+
|
|
"want %d", i, test.name, reqSigs, test.reqSigs)
|
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continue
|
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}
|
|
|
|
if class != test.class {
|
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t.Errorf("ExtractPkScriptAddrs #%d (%s) unexpected "+
|
|
"script type - got %s, want %s", i, test.name,
|
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class, test.class)
|
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continue
|
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}
|
|
}
|
|
}
|
|
|
|
// TestCalcScriptInfo ensures the CalcScriptInfo provides the expected results
|
|
// for various valid and invalid script pairs.
|
|
func TestCalcScriptInfo(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
tests := []struct {
|
|
name string
|
|
sigScript string
|
|
pkScript string
|
|
bip16 bool
|
|
scriptInfo ScriptInfo
|
|
scriptInfoErr error
|
|
}{
|
|
{
|
|
// Invented scripts, the hashes do not match
|
|
// Truncated version of test below:
|
|
name: "pkscript doesn't parse",
|
|
sigScript: "1 81 DATA_8 2DUP EQUAL NOT VERIFY ABS " +
|
|
"SWAP ABS EQUAL",
|
|
pkScript: "HASH160 DATA_20 0xfe441065b6532231de2fac56" +
|
|
"3152205ec4f59c",
|
|
bip16: true,
|
|
scriptInfoErr: scriptError(ErrMalformedPush, ""),
|
|
},
|
|
{
|
|
name: "sigScript doesn't parse",
|
|
// Truncated version of p2sh script below.
|
|
sigScript: "1 81 DATA_8 2DUP EQUAL NOT VERIFY ABS " +
|
|
"SWAP ABS",
|
|
pkScript: "HASH160 DATA_20 0xfe441065b6532231de2fac56" +
|
|
"3152205ec4f59c74 EQUAL",
|
|
bip16: true,
|
|
scriptInfoErr: scriptError(ErrMalformedPush, ""),
|
|
},
|
|
{
|
|
// Invented scripts, the hashes do not match
|
|
name: "p2sh standard script",
|
|
sigScript: "1 81 DATA_25 DUP HASH160 DATA_20 0x010203" +
|
|
"0405060708090a0b0c0d0e0f1011121314 EQUALVERIFY " +
|
|
"CHECKSIG",
|
|
pkScript: "HASH160 DATA_20 0xfe441065b6532231de2fac56" +
|
|
"3152205ec4f59c74 EQUAL",
|
|
bip16: true,
|
|
scriptInfo: ScriptInfo{
|
|
PkScriptClass: ScriptHashTy,
|
|
NumInputs: 3,
|
|
ExpectedInputs: 3, // nonstandard p2sh.
|
|
SigOps: 1,
|
|
},
|
|
},
|
|
{
|
|
// from 567a53d1ce19ce3d07711885168484439965501536d0d0294c5d46d46c10e53b
|
|
// from the blockchain.
|
|
name: "p2sh nonstandard script",
|
|
sigScript: "1 81 DATA_8 2DUP EQUAL NOT VERIFY ABS " +
|
|
"SWAP ABS EQUAL",
|
|
pkScript: "HASH160 DATA_20 0xfe441065b6532231de2fac56" +
|
|
"3152205ec4f59c74 EQUAL",
|
|
bip16: true,
|
|
scriptInfo: ScriptInfo{
|
|
PkScriptClass: ScriptHashTy,
|
|
NumInputs: 3,
|
|
ExpectedInputs: -1, // nonstandard p2sh.
|
|
SigOps: 0,
|
|
},
|
|
},
|
|
{
|
|
// Script is invented, numbers all fake.
|
|
name: "multisig script",
|
|
// Extra 0 arg on the end for OP_CHECKMULTISIG bug.
|
|
sigScript: "1 1 1 0",
|
|
pkScript: "3 " +
|
|
"DATA_33 0x0102030405060708090a0b0c0d0e0f1011" +
|
|
"12131415161718191a1b1c1d1e1f2021 DATA_33 " +
|
|
"0x0102030405060708090a0b0c0d0e0f101112131415" +
|
|
"161718191a1b1c1d1e1f2021 DATA_33 0x010203040" +
|
|
"5060708090a0b0c0d0e0f101112131415161718191a1" +
|
|
"b1c1d1e1f2021 3 CHECKMULTISIG",
|
|
bip16: true,
|
|
scriptInfo: ScriptInfo{
|
|
PkScriptClass: MultiSigTy,
|
|
NumInputs: 4,
|
|
ExpectedInputs: 4,
|
|
SigOps: 3,
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
sigScript := mustParseShortForm(test.sigScript)
|
|
pkScript := mustParseShortForm(test.pkScript)
|
|
si, err := CalcScriptInfo(sigScript, pkScript, test.bip16)
|
|
if e := tstCheckScriptError(err, test.scriptInfoErr); e != nil {
|
|
t.Errorf("scriptinfo test %q: %v", test.name, e)
|
|
continue
|
|
}
|
|
if err != nil {
|
|
continue
|
|
}
|
|
|
|
if *si != test.scriptInfo {
|
|
t.Errorf("%s: scriptinfo doesn't match expected. "+
|
|
"got: %q expected %q", test.name, *si,
|
|
test.scriptInfo)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// bogusAddress implements the btcutil.Address interface so the tests can ensure
|
|
// unsupported address types are handled properly.
|
|
type bogusAddress struct{}
|
|
|
|
// EncodeAddress simply returns an empty string. It exists to satsify the
|
|
// btcutil.Address interface.
|
|
func (b *bogusAddress) EncodeAddress() string {
|
|
return ""
|
|
}
|
|
|
|
// ScriptAddress simply returns an empty byte slice. It exists to satsify the
|
|
// btcutil.Address interface.
|
|
func (b *bogusAddress) ScriptAddress() []byte {
|
|
return nil
|
|
}
|
|
|
|
// IsForNet lies blatantly to satisfy the btcutil.Address interface.
|
|
func (b *bogusAddress) IsForNet(chainParams *chaincfg.Params) bool {
|
|
return true // why not?
|
|
}
|
|
|
|
// String simply returns an empty string. It exists to satsify the
|
|
// btcutil.Address interface.
|
|
func (b *bogusAddress) String() string {
|
|
return ""
|
|
}
|
|
|
|
// TestPayToAddrScript ensures the PayToAddrScript function generates the
|
|
// correct scripts for the various types of addresses.
|
|
func TestPayToAddrScript(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
// 1MirQ9bwyQcGVJPwKUgapu5ouK2E2Ey4gX
|
|
p2pkhMain, err := btcutil.NewAddressPubKeyHash(hexToBytes("e34cce70c86"+
|
|
"373273efcc54ce7d2a491bb4a0e84"), &chaincfg.MainNetParams)
|
|
if err != nil {
|
|
t.Fatalf("Unable to create public key hash address: %v", err)
|
|
}
|
|
|
|
// Taken from transaction:
|
|
// b0539a45de13b3e0403909b8bd1a555b8cbe45fd4e3f3fda76f3a5f52835c29d
|
|
p2shMain, _ := btcutil.NewAddressScriptHashFromHash(hexToBytes("e8c300"+
|
|
"c87986efa84c37c0519929019ef86eb5b4"), &chaincfg.MainNetParams)
|
|
if err != nil {
|
|
t.Fatalf("Unable to create script hash address: %v", err)
|
|
}
|
|
|
|
// mainnet p2pk 13CG6SJ3yHUXo4Cr2RY4THLLJrNFuG3gUg
|
|
p2pkCompressedMain, err := btcutil.NewAddressPubKey(hexToBytes("02192d"+
|
|
"74d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b4"),
|
|
&chaincfg.MainNetParams)
|
|
if err != nil {
|
|
t.Fatalf("Unable to create pubkey address (compressed): %v",
|
|
err)
|
|
}
|
|
p2pkCompressed2Main, err := btcutil.NewAddressPubKey(hexToBytes("03b0b"+
|
|
"d634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e65"),
|
|
&chaincfg.MainNetParams)
|
|
if err != nil {
|
|
t.Fatalf("Unable to create pubkey address (compressed 2): %v",
|
|
err)
|
|
}
|
|
|
|
p2pkUncompressedMain, err := btcutil.NewAddressPubKey(hexToBytes("0411"+
|
|
"db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5"+
|
|
"cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b4"+
|
|
"12a3"), &chaincfg.MainNetParams)
|
|
if err != nil {
|
|
t.Fatalf("Unable to create pubkey address (uncompressed): %v",
|
|
err)
|
|
}
|
|
|
|
// Errors used in the tests below defined here for convenience and to
|
|
// keep the horizontal test size shorter.
|
|
errUnsupportedAddress := scriptError(ErrUnsupportedAddress, "")
|
|
|
|
tests := []struct {
|
|
in btcutil.Address
|
|
expected string
|
|
err error
|
|
}{
|
|
// pay-to-pubkey-hash address on mainnet
|
|
{
|
|
p2pkhMain,
|
|
"DUP HASH160 DATA_20 0xe34cce70c86373273efcc54ce7d2a4" +
|
|
"91bb4a0e8488 CHECKSIG",
|
|
nil,
|
|
},
|
|
// pay-to-script-hash address on mainnet
|
|
{
|
|
p2shMain,
|
|
"HASH160 DATA_20 0xe8c300c87986efa84c37c0519929019ef8" +
|
|
"6eb5b4 EQUAL",
|
|
nil,
|
|
},
|
|
// pay-to-pubkey address on mainnet. compressed key.
|
|
{
|
|
p2pkCompressedMain,
|
|
"DATA_33 0x02192d74d0cb94344c9569c2e77901573d8d7903c3" +
|
|
"ebec3a957724895dca52c6b4 CHECKSIG",
|
|
nil,
|
|
},
|
|
// pay-to-pubkey address on mainnet. compressed key (other way).
|
|
{
|
|
p2pkCompressed2Main,
|
|
"DATA_33 0x03b0bd634234abbb1ba1e986e884185c61cf43e001" +
|
|
"f9137f23c2c409273eb16e65 CHECKSIG",
|
|
nil,
|
|
},
|
|
// pay-to-pubkey address on mainnet. uncompressed key.
|
|
{
|
|
p2pkUncompressedMain,
|
|
"DATA_65 0x0411db93e1dcdb8a016b49840f8c53bc1eb68a382e" +
|
|
"97b1482ecad7b148a6909a5cb2e0eaddfb84ccf97444" +
|
|
"64f82e160bfa9b8b64f9d4c03f999b8643f656b412a3 " +
|
|
"CHECKSIG",
|
|
nil,
|
|
},
|
|
|
|
// Supported address types with nil pointers.
|
|
{(*btcutil.AddressPubKeyHash)(nil), "", errUnsupportedAddress},
|
|
{(*btcutil.AddressScriptHash)(nil), "", errUnsupportedAddress},
|
|
{(*btcutil.AddressPubKey)(nil), "", errUnsupportedAddress},
|
|
|
|
// Unsupported address type.
|
|
{&bogusAddress{}, "", errUnsupportedAddress},
|
|
}
|
|
|
|
t.Logf("Running %d tests", len(tests))
|
|
for i, test := range tests {
|
|
pkScript, err := PayToAddrScript(test.in)
|
|
if e := tstCheckScriptError(err, test.err); e != nil {
|
|
t.Errorf("PayToAddrScript #%d unexpected error - "+
|
|
"got %v, want %v", i, err, test.err)
|
|
continue
|
|
}
|
|
|
|
expected := mustParseShortForm(test.expected)
|
|
if !bytes.Equal(pkScript, expected) {
|
|
t.Errorf("PayToAddrScript #%d got: %x\nwant: %x",
|
|
i, pkScript, expected)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestMultiSigScript ensures the MultiSigScript function returns the expected
|
|
// scripts and errors.
|
|
func TestMultiSigScript(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
// mainnet p2pk 13CG6SJ3yHUXo4Cr2RY4THLLJrNFuG3gUg
|
|
p2pkCompressedMain, err := btcutil.NewAddressPubKey(hexToBytes("02192d"+
|
|
"74d0cb94344c9569c2e77901573d8d7903c3ebec3a957724895dca52c6b4"),
|
|
&chaincfg.MainNetParams)
|
|
if err != nil {
|
|
t.Fatalf("Unable to create pubkey address (compressed): %v",
|
|
err)
|
|
}
|
|
p2pkCompressed2Main, err := btcutil.NewAddressPubKey(hexToBytes("03b0b"+
|
|
"d634234abbb1ba1e986e884185c61cf43e001f9137f23c2c409273eb16e65"),
|
|
&chaincfg.MainNetParams)
|
|
if err != nil {
|
|
t.Fatalf("Unable to create pubkey address (compressed 2): %v",
|
|
err)
|
|
}
|
|
|
|
p2pkUncompressedMain, err := btcutil.NewAddressPubKey(hexToBytes("0411"+
|
|
"db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5"+
|
|
"cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b4"+
|
|
"12a3"), &chaincfg.MainNetParams)
|
|
if err != nil {
|
|
t.Fatalf("Unable to create pubkey address (uncompressed): %v",
|
|
err)
|
|
}
|
|
|
|
tests := []struct {
|
|
keys []*btcutil.AddressPubKey
|
|
nrequired int
|
|
expected string
|
|
err error
|
|
}{
|
|
{
|
|
[]*btcutil.AddressPubKey{
|
|
p2pkCompressedMain,
|
|
p2pkCompressed2Main,
|
|
},
|
|
1,
|
|
"1 DATA_33 0x02192d74d0cb94344c9569c2e77901573d8d7903c" +
|
|
"3ebec3a957724895dca52c6b4 DATA_33 0x03b0bd634" +
|
|
"234abbb1ba1e986e884185c61cf43e001f9137f23c2c4" +
|
|
"09273eb16e65 2 CHECKMULTISIG",
|
|
nil,
|
|
},
|
|
{
|
|
[]*btcutil.AddressPubKey{
|
|
p2pkCompressedMain,
|
|
p2pkCompressed2Main,
|
|
},
|
|
2,
|
|
"2 DATA_33 0x02192d74d0cb94344c9569c2e77901573d8d7903c" +
|
|
"3ebec3a957724895dca52c6b4 DATA_33 0x03b0bd634" +
|
|
"234abbb1ba1e986e884185c61cf43e001f9137f23c2c4" +
|
|
"09273eb16e65 2 CHECKMULTISIG",
|
|
nil,
|
|
},
|
|
{
|
|
[]*btcutil.AddressPubKey{
|
|
p2pkCompressedMain,
|
|
p2pkCompressed2Main,
|
|
},
|
|
3,
|
|
"",
|
|
scriptError(ErrTooManyRequiredSigs, ""),
|
|
},
|
|
{
|
|
[]*btcutil.AddressPubKey{
|
|
p2pkUncompressedMain,
|
|
},
|
|
1,
|
|
"1 DATA_65 0x0411db93e1dcdb8a016b49840f8c53bc1eb68a382" +
|
|
"e97b1482ecad7b148a6909a5cb2e0eaddfb84ccf97444" +
|
|
"64f82e160bfa9b8b64f9d4c03f999b8643f656b412a3 " +
|
|
"1 CHECKMULTISIG",
|
|
nil,
|
|
},
|
|
{
|
|
[]*btcutil.AddressPubKey{
|
|
p2pkUncompressedMain,
|
|
},
|
|
2,
|
|
"",
|
|
scriptError(ErrTooManyRequiredSigs, ""),
|
|
},
|
|
}
|
|
|
|
t.Logf("Running %d tests", len(tests))
|
|
for i, test := range tests {
|
|
script, err := MultiSigScript(test.keys, test.nrequired)
|
|
if e := tstCheckScriptError(err, test.err); e != nil {
|
|
t.Errorf("MultiSigScript #%d: %v", i, e)
|
|
continue
|
|
}
|
|
|
|
expected := mustParseShortForm(test.expected)
|
|
if !bytes.Equal(script, expected) {
|
|
t.Errorf("MultiSigScript #%d got: %x\nwant: %x",
|
|
i, script, expected)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestCalcMultiSigStats ensures the CalcMutliSigStats function returns the
|
|
// expected errors.
|
|
func TestCalcMultiSigStats(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
tests := []struct {
|
|
name string
|
|
script string
|
|
err error
|
|
}{
|
|
{
|
|
name: "short script",
|
|
script: "0x046708afdb0fe5548271967f1a67130b7105cd6a828" +
|
|
"e03909a67962e0ea1f61d",
|
|
err: scriptError(ErrMalformedPush, ""),
|
|
},
|
|
{
|
|
name: "stack underflow",
|
|
script: "RETURN DATA_41 0x046708afdb0fe5548271967f1a" +
|
|
"67130b7105cd6a828e03909a67962e0ea1f61deb649f6" +
|
|
"bc3f4cef308",
|
|
err: scriptError(ErrNotMultisigScript, ""),
|
|
},
|
|
{
|
|
name: "multisig script",
|
|
script: "0 DATA_72 0x30450220106a3e4ef0b51b764a2887226" +
|
|
"2ffef55846514dacbdcbbdd652c849d395b4384022100" +
|
|
"e03ae554c3cbb40600d31dd46fc33f25e47bf8525b1fe" +
|
|
"07282e3b6ecb5f3bb2801 CODESEPARATOR 1 DATA_33 " +
|
|
"0x0232abdc893e7f0631364d7fd01cb33d24da45329a0" +
|
|
"0357b3a7886211ab414d55a 1 CHECKMULTISIG",
|
|
err: nil,
|
|
},
|
|
}
|
|
|
|
for i, test := range tests {
|
|
script := mustParseShortForm(test.script)
|
|
_, _, err := CalcMultiSigStats(script)
|
|
if e := tstCheckScriptError(err, test.err); e != nil {
|
|
t.Errorf("CalcMultiSigStats #%d (%s): %v", i, test.name,
|
|
e)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// scriptClassTests houses several test scripts used to ensure various class
|
|
// determination is working as expected. It's defined as a test global versus
|
|
// inside a function scope since this spans both the standard tests and the
|
|
// consensus tests (pay-to-script-hash is part of consensus).
|
|
var scriptClassTests = []struct {
|
|
name string
|
|
script string
|
|
class ScriptClass
|
|
}{
|
|
{
|
|
name: "Pay Pubkey",
|
|
script: "DATA_65 0x0411db93e1dcdb8a016b49840f8c53bc1eb68a382e" +
|
|
"97b1482ecad7b148a6909a5cb2e0eaddfb84ccf9744464f82e16" +
|
|
"0bfa9b8b64f9d4c03f999b8643f656b412a3 CHECKSIG",
|
|
class: PubKeyTy,
|
|
},
|
|
// tx 599e47a8114fe098103663029548811d2651991b62397e057f0c863c2bc9f9ea
|
|
{
|
|
name: "Pay PubkeyHash",
|
|
script: "DUP HASH160 DATA_20 0x660d4ef3a743e3e696ad990364e555" +
|
|
"c271ad504b EQUALVERIFY CHECKSIG",
|
|
class: PubKeyHashTy,
|
|
},
|
|
// part of tx 6d36bc17e947ce00bb6f12f8e7a56a1585c5a36188ffa2b05e10b4743273a74b
|
|
// codeseparator parts have been elided. (bitcoin core's checks for
|
|
// multisig type doesn't have codesep either).
|
|
{
|
|
name: "multisig",
|
|
script: "1 DATA_33 0x0232abdc893e7f0631364d7fd01cb33d24da4" +
|
|
"5329a00357b3a7886211ab414d55a 1 CHECKMULTISIG",
|
|
class: MultiSigTy,
|
|
},
|
|
// tx e5779b9e78f9650debc2893fd9636d827b26b4ddfa6a8172fe8708c924f5c39d
|
|
{
|
|
name: "P2SH",
|
|
script: "HASH160 DATA_20 0x433ec2ac1ffa1b7b7d027f564529c57197f" +
|
|
"9ae88 EQUAL",
|
|
class: ScriptHashTy,
|
|
},
|
|
|
|
{
|
|
// Nulldata with no data at all.
|
|
name: "nulldata no data",
|
|
script: "RETURN",
|
|
class: NullDataTy,
|
|
},
|
|
{
|
|
// Nulldata with single zero push.
|
|
name: "nulldata zero",
|
|
script: "RETURN 0",
|
|
class: NullDataTy,
|
|
},
|
|
{
|
|
// Nulldata with small integer push.
|
|
name: "nulldata small int",
|
|
script: "RETURN 1",
|
|
class: NullDataTy,
|
|
},
|
|
{
|
|
// Nulldata with max small integer push.
|
|
name: "nulldata max small int",
|
|
script: "RETURN 16",
|
|
class: NullDataTy,
|
|
},
|
|
{
|
|
// Nulldata with small data push.
|
|
name: "nulldata small data",
|
|
script: "RETURN DATA_8 0x046708afdb0fe554",
|
|
class: NullDataTy,
|
|
},
|
|
{
|
|
// Canonical nulldata with 60-byte data push.
|
|
name: "canonical nulldata 60-byte push",
|
|
script: "RETURN 0x3c 0x046708afdb0fe5548271967f1a67130b7105cd" +
|
|
"6a828e03909a67962e0ea1f61deb649f6bc3f4cef3046708afdb" +
|
|
"0fe5548271967f1a67130b7105cd6a",
|
|
class: NullDataTy,
|
|
},
|
|
{
|
|
// Non-canonical nulldata with 60-byte data push.
|
|
name: "non-canonical nulldata 60-byte push",
|
|
script: "RETURN PUSHDATA1 0x3c 0x046708afdb0fe5548271967f1a67" +
|
|
"130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3" +
|
|
"046708afdb0fe5548271967f1a67130b7105cd6a",
|
|
class: NullDataTy,
|
|
},
|
|
{
|
|
// Nulldata with max allowed data to be considered standard.
|
|
name: "nulldata max standard push",
|
|
script: "RETURN PUSHDATA1 0x50 0x046708afdb0fe5548271967f1a67" +
|
|
"130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3" +
|
|
"046708afdb0fe5548271967f1a67130b7105cd6a828e03909a67" +
|
|
"962e0ea1f61deb649f6bc3f4cef3",
|
|
class: NullDataTy,
|
|
},
|
|
{
|
|
// Nulldata with more than max allowed data to be considered
|
|
// standard (so therefore nonstandard)
|
|
name: "nulldata exceed max standard push",
|
|
script: "RETURN PUSHDATA1 0x51 0x046708afdb0fe5548271967f1a67" +
|
|
"130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3" +
|
|
"046708afdb0fe5548271967f1a67130b7105cd6a828e03909a67" +
|
|
"962e0ea1f61deb649f6bc3f4cef308",
|
|
class: NonStandardTy,
|
|
},
|
|
{
|
|
// Almost nulldata, but add an additional opcode after the data
|
|
// to make it nonstandard.
|
|
name: "almost nulldata",
|
|
script: "RETURN 4 TRUE",
|
|
class: NonStandardTy,
|
|
},
|
|
|
|
// The next few are almost multisig (it is the more complex script type)
|
|
// but with various changes to make it fail.
|
|
{
|
|
// Multisig but invalid nsigs.
|
|
name: "strange 1",
|
|
script: "DUP DATA_33 0x0232abdc893e7f0631364d7fd01cb33d24da45" +
|
|
"329a00357b3a7886211ab414d55a 1 CHECKMULTISIG",
|
|
class: NonStandardTy,
|
|
},
|
|
{
|
|
// Multisig but invalid pubkey.
|
|
name: "strange 2",
|
|
script: "1 1 1 CHECKMULTISIG",
|
|
class: NonStandardTy,
|
|
},
|
|
{
|
|
// Multisig but no matching npubkeys opcode.
|
|
name: "strange 3",
|
|
script: "1 DATA_33 0x0232abdc893e7f0631364d7fd01cb33d24da4532" +
|
|
"9a00357b3a7886211ab414d55a DATA_33 0x0232abdc893e7f0" +
|
|
"631364d7fd01cb33d24da45329a00357b3a7886211ab414d55a " +
|
|
"CHECKMULTISIG",
|
|
class: NonStandardTy,
|
|
},
|
|
{
|
|
// Multisig but with multisigverify.
|
|
name: "strange 4",
|
|
script: "1 DATA_33 0x0232abdc893e7f0631364d7fd01cb33d24da4532" +
|
|
"9a00357b3a7886211ab414d55a 1 CHECKMULTISIGVERIFY",
|
|
class: NonStandardTy,
|
|
},
|
|
{
|
|
// Multisig but wrong length.
|
|
name: "strange 5",
|
|
script: "1 CHECKMULTISIG",
|
|
class: NonStandardTy,
|
|
},
|
|
{
|
|
name: "doesn't parse",
|
|
script: "DATA_5 0x01020304",
|
|
class: NonStandardTy,
|
|
},
|
|
{
|
|
name: "multisig script with wrong number of pubkeys",
|
|
script: "2 " +
|
|
"DATA_33 " +
|
|
"0x027adf5df7c965a2d46203c781bd4dd8" +
|
|
"21f11844136f6673af7cc5a4a05cd29380 " +
|
|
"DATA_33 " +
|
|
"0x02c08f3de8ee2de9be7bd770f4c10eb0" +
|
|
"d6ff1dd81ee96eedd3a9d4aeaf86695e80 " +
|
|
"3 CHECKMULTISIG",
|
|
class: NonStandardTy,
|
|
},
|
|
}
|
|
|
|
// TestScriptClass ensures all the scripts in scriptClassTests have the expected
|
|
// class.
|
|
func TestScriptClass(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
for _, test := range scriptClassTests {
|
|
script := mustParseShortForm(test.script)
|
|
class := GetScriptClass(script)
|
|
if class != test.class {
|
|
t.Errorf("%s: expected %s got %s (script %x)", test.name,
|
|
test.class, class, script)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestStringifyClass ensures the script class string returns the expected
|
|
// string for each script class.
|
|
func TestStringifyClass(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
tests := []struct {
|
|
name string
|
|
class ScriptClass
|
|
stringed string
|
|
}{
|
|
{
|
|
name: "nonstandardty",
|
|
class: NonStandardTy,
|
|
stringed: "nonstandard",
|
|
},
|
|
{
|
|
name: "pubkey",
|
|
class: PubKeyTy,
|
|
stringed: "pubkey",
|
|
},
|
|
{
|
|
name: "pubkeyhash",
|
|
class: PubKeyHashTy,
|
|
stringed: "pubkeyhash",
|
|
},
|
|
{
|
|
name: "scripthash",
|
|
class: ScriptHashTy,
|
|
stringed: "scripthash",
|
|
},
|
|
{
|
|
name: "multisigty",
|
|
class: MultiSigTy,
|
|
stringed: "multisig",
|
|
},
|
|
{
|
|
name: "nulldataty",
|
|
class: NullDataTy,
|
|
stringed: "nulldata",
|
|
},
|
|
{
|
|
name: "broken",
|
|
class: ScriptClass(255),
|
|
stringed: "Invalid",
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
typeString := test.class.String()
|
|
if typeString != test.stringed {
|
|
t.Errorf("%s: got %#q, want %#q", test.name,
|
|
typeString, test.stringed)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestNullDataScript tests whether NullDataScript returns a valid script.
|
|
func TestNullDataScript(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
data []byte
|
|
expected []byte
|
|
err error
|
|
class ScriptClass
|
|
}{
|
|
{
|
|
name: "small int",
|
|
data: hexToBytes("01"),
|
|
expected: mustParseShortForm("RETURN 1"),
|
|
err: nil,
|
|
class: NullDataTy,
|
|
},
|
|
{
|
|
name: "max small int",
|
|
data: hexToBytes("10"),
|
|
expected: mustParseShortForm("RETURN 16"),
|
|
err: nil,
|
|
class: NullDataTy,
|
|
},
|
|
{
|
|
name: "data of size before OP_PUSHDATA1 is needed",
|
|
data: hexToBytes("0102030405060708090a0b0c0d0e0f10111" +
|
|
"2131415161718"),
|
|
expected: mustParseShortForm("RETURN 0x18 0x01020304" +
|
|
"05060708090a0b0c0d0e0f101112131415161718"),
|
|
err: nil,
|
|
class: NullDataTy,
|
|
},
|
|
{
|
|
name: "just right",
|
|
data: hexToBytes("000102030405060708090a0b0c0d0e0f101" +
|
|
"112131415161718191a1b1c1d1e1f202122232425262" +
|
|
"728292a2b2c2d2e2f303132333435363738393a3b3c3" +
|
|
"d3e3f404142434445464748494a4b4c4d4e4f"),
|
|
expected: mustParseShortForm("RETURN PUSHDATA1 0x50 " +
|
|
"0x000102030405060708090a0b0c0d0e0f101112131" +
|
|
"415161718191a1b1c1d1e1f20212223242526272829" +
|
|
"2a2b2c2d2e2f303132333435363738393a3b3c3d3e3" +
|
|
"f404142434445464748494a4b4c4d4e4f"),
|
|
err: nil,
|
|
class: NullDataTy,
|
|
},
|
|
{
|
|
name: "too big",
|
|
data: hexToBytes("000102030405060708090a0b0c0d0e0f101" +
|
|
"112131415161718191a1b1c1d1e1f202122232425262" +
|
|
"728292a2b2c2d2e2f303132333435363738393a3b3c3" +
|
|
"d3e3f404142434445464748494a4b4c4d4e4f50"),
|
|
expected: nil,
|
|
err: scriptError(ErrTooMuchNullData, ""),
|
|
class: NonStandardTy,
|
|
},
|
|
}
|
|
|
|
for i, test := range tests {
|
|
script, err := NullDataScript(test.data)
|
|
if e := tstCheckScriptError(err, test.err); e != nil {
|
|
t.Errorf("NullDataScript: #%d (%s): %v", i, test.name,
|
|
e)
|
|
continue
|
|
|
|
}
|
|
|
|
// Check that the expected result was returned.
|
|
if !bytes.Equal(script, test.expected) {
|
|
t.Errorf("NullDataScript: #%d (%s) wrong result\n"+
|
|
"got: %x\nwant: %x", i, test.name, script,
|
|
test.expected)
|
|
continue
|
|
}
|
|
|
|
// Check that the script has the correct type.
|
|
scriptType := GetScriptClass(script)
|
|
if scriptType != test.class {
|
|
t.Errorf("GetScriptClass: #%d (%s) wrong result -- "+
|
|
"got: %v, want: %v", i, test.name, scriptType,
|
|
test.class)
|
|
continue
|
|
}
|
|
}
|
|
}
|