mirror of
https://github.com/kaspanet/kaspad.git
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ae92cb06ea
* [NOD-33] remove t.Parallel() from TestCheckErrorCondition because it contains monkey patching * [NOD-33] remove redundant line
515 lines
13 KiB
Go
515 lines
13 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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"testing"
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"bou.ke/monkey"
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"github.com/daglabs/btcd/dagconfig/daghash"
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"github.com/daglabs/btcd/wire"
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)
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// TestBadPC sets the pc to a deliberately bad result then confirms that Step()
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// and Disasm fail correctly.
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func TestBadPC(t *testing.T) {
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t.Parallel()
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tests := []struct {
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script, off int
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}{
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{script: 2, off: 0},
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{script: 0, off: 2},
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}
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// tx with almost empty scripts.
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tx := &wire.MsgTx{
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Version: 1,
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TxIn: []*wire.TxIn{
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{
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PreviousOutPoint: wire.OutPoint{
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TxID: daghash.TxID([32]byte{
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0xc9, 0x97, 0xa5, 0xe5,
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0x6e, 0x10, 0x41, 0x02,
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0xfa, 0x20, 0x9c, 0x6a,
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0x85, 0x2d, 0xd9, 0x06,
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0x60, 0xa2, 0x0b, 0x2d,
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0x9c, 0x35, 0x24, 0x23,
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0xed, 0xce, 0x25, 0x85,
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0x7f, 0xcd, 0x37, 0x04,
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}),
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Index: 0,
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},
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SignatureScript: mustParseShortForm(""),
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Sequence: 4294967295,
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},
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},
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TxOut: []*wire.TxOut{{
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Value: 1000000000,
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PkScript: nil,
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}},
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LockTime: 0,
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}
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pkScript := mustParseShortForm("NOP")
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for _, test := range tests {
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vm, err := NewEngine(pkScript, tx, 0, 0, nil)
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if err != nil {
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t.Errorf("Failed to create script: %v", err)
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}
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// set to after all scripts
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vm.scriptIdx = test.script
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vm.scriptOff = test.off
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_, err = vm.Step()
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if err == nil {
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t.Errorf("Step with invalid pc (%v) succeeds!", test)
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continue
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}
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_, err = vm.DisasmPC()
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if err == nil {
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t.Errorf("DisasmPC with invalid pc (%v) succeeds!",
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test)
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}
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}
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}
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func TestCheckErrorCondition(t *testing.T) {
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tests := []struct {
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script string
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finalScript bool
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stepCount int
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source interface{}
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replacement interface{}
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expectedErr error
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}{
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{"OP_1", true, 1, nil, nil, nil},
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{"NOP", true, 0, nil, nil, scriptError(ErrScriptUnfinished, "")},
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{"NOP", true, 1, nil, nil, scriptError(ErrEmptyStack, "")},
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{"OP_1 OP_1", true, 2, nil, nil, scriptError(ErrCleanStack, "")},
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{"OP_0", true, 1, nil, nil, scriptError(ErrEvalFalse, "")},
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{"OP_1", true, 1, (*stack).PopBool,
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func(*stack) (bool, error) { return false, scriptError(ErrInvalidStackOperation, "") },
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scriptError(ErrInvalidStackOperation, "")},
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}
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for i, test := range tests {
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func() {
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tx := &wire.MsgTx{
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Version: 1,
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TxIn: []*wire.TxIn{{
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PreviousOutPoint: wire.OutPoint{
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TxID: daghash.TxID([32]byte{
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0xc9, 0x97, 0xa5, 0xe5,
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0x6e, 0x10, 0x41, 0x02,
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0xfa, 0x20, 0x9c, 0x6a,
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0x85, 0x2d, 0xd9, 0x06,
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0x60, 0xa2, 0x0b, 0x2d,
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0x9c, 0x35, 0x24, 0x23,
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0xed, 0xce, 0x25, 0x85,
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0x7f, 0xcd, 0x37, 0x04,
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}),
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Index: 0,
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},
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SignatureScript: nil,
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Sequence: 4294967295,
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}},
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TxOut: []*wire.TxOut{{
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Value: 1000000000,
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PkScript: nil,
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}},
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LockTime: 0,
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}
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pkScript := mustParseShortForm(test.script)
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vm, err := NewEngine(pkScript, tx, 0, 0, nil)
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if err != nil {
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t.Errorf("TestCheckErrorCondition: %d: failed to create script: %v", i, err)
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}
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for j := 0; j < test.stepCount; j++ {
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_, err = vm.Step()
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if err != nil {
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t.Errorf("TestCheckErrorCondition: %d: failed to execute step No. %d: %v", i, j+1, err)
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return
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}
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if j != test.stepCount-1 {
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err = vm.CheckErrorCondition(false)
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if !IsErrorCode(err, ErrScriptUnfinished) {
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t.Fatalf("TestCheckErrorCondition: %d: got unexepected error %v on %dth iteration",
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i, err, j)
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return
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}
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}
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}
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if test.source != nil {
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patch := monkey.Patch(test.source, test.replacement)
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defer patch.Unpatch()
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}
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err = vm.CheckErrorCondition(test.finalScript)
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if e := checkScriptError(err, test.expectedErr); e != nil {
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t.Errorf("TestCheckErrorCondition: %d: %s", i, e)
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}
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}()
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}
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}
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// TestCheckPubKeyEncoding ensures the internal checkPubKeyEncoding function
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// works as expected.
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func TestCheckPubKeyEncoding(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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key []byte
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isValid bool
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}{
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{
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name: "uncompressed ok",
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key: hexToBytes("0411db93e1dcdb8a016b49840f8c53bc1eb68" +
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"a382e97b1482ecad7b148a6909a5cb2e0eaddfb84ccf" +
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"9744464f82e160bfa9b8b64f9d4c03f999b8643f656b" +
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"412a3"),
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isValid: true,
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},
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{
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name: "compressed ok",
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key: hexToBytes("02ce0b14fb842b1ba549fdd675c98075f12e9" +
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"c510f8ef52bd021a9a1f4809d3b4d"),
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isValid: true,
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},
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{
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name: "compressed ok",
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key: hexToBytes("032689c7c2dab13309fb143e0e8fe39634252" +
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"1887e976690b6b47f5b2a4b7d448e"),
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isValid: true,
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},
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{
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name: "hybrid",
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key: hexToBytes("0679be667ef9dcbbac55a06295ce870b07029" +
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"bfcdb2dce28d959f2815b16f81798483ada7726a3c46" +
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"55da4fbfc0e1108a8fd17b448a68554199c47d08ffb1" +
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"0d4b8"),
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isValid: false,
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},
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{
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name: "empty",
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key: nil,
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isValid: false,
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},
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}
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vm := Engine{}
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for _, test := range tests {
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err := vm.checkPubKeyEncoding(test.key)
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if err != nil && test.isValid {
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t.Errorf("checkSignatureEncoding test '%s' failed "+
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"when it should have succeeded: %v", test.name,
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err)
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} else if err == nil && !test.isValid {
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t.Errorf("checkSignatureEncooding test '%s' succeeded "+
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"when it should have failed", test.name)
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}
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}
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}
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// TestCheckSignatureEncoding ensures the internal checkSignatureEncoding
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// function works as expected.
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func TestCheckSignatureEncoding(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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sig []byte
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isValid bool
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}{
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{
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name: "valid signature",
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sig: hexToBytes("304402204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd41022018152" +
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"2ec8eca07de4860a4acdd12909d831cc56cbbac46220" +
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"82221a8768d1d09"),
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isValid: true,
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},
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{
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name: "empty.",
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sig: nil,
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isValid: false,
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},
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{
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name: "bad magic",
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sig: hexToBytes("314402204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd41022018152" +
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"2ec8eca07de4860a4acdd12909d831cc56cbbac46220" +
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"82221a8768d1d09"),
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isValid: false,
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},
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{
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name: "bad 1st int marker magic",
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sig: hexToBytes("304403204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd41022018152" +
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"2ec8eca07de4860a4acdd12909d831cc56cbbac46220" +
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"82221a8768d1d09"),
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isValid: false,
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},
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{
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name: "bad 2nd int marker",
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sig: hexToBytes("304402204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd41032018152" +
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"2ec8eca07de4860a4acdd12909d831cc56cbbac46220" +
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"82221a8768d1d09"),
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isValid: false,
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},
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{
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name: "short len",
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sig: hexToBytes("304302204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd41022018152" +
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"2ec8eca07de4860a4acdd12909d831cc56cbbac46220" +
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"82221a8768d1d09"),
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isValid: false,
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},
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{
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name: "long len",
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sig: hexToBytes("304502204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd41022018152" +
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"2ec8eca07de4860a4acdd12909d831cc56cbbac46220" +
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"82221a8768d1d09"),
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isValid: false,
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},
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{
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name: "long X",
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sig: hexToBytes("304402424e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd41022018152" +
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"2ec8eca07de4860a4acdd12909d831cc56cbbac46220" +
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"82221a8768d1d09"),
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isValid: false,
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},
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{
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name: "long Y",
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sig: hexToBytes("304402204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd41022118152" +
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"2ec8eca07de4860a4acdd12909d831cc56cbbac46220" +
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"82221a8768d1d09"),
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isValid: false,
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},
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{
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name: "short Y",
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sig: hexToBytes("304402204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd41021918152" +
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"2ec8eca07de4860a4acdd12909d831cc56cbbac46220" +
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"82221a8768d1d09"),
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isValid: false,
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},
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{
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name: "trailing crap",
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sig: hexToBytes("304402204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd41022018152" +
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"2ec8eca07de4860a4acdd12909d831cc56cbbac46220" +
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"82221a8768d1d0901"),
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isValid: false,
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},
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{
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name: "X == N ",
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sig: hexToBytes("30440220fffffffffffffffffffffffffffff" +
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"ffebaaedce6af48a03bbfd25e8cd0364141022018152" +
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"2ec8eca07de4860a4acdd12909d831cc56cbbac46220" +
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"82221a8768d1d09"),
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isValid: false,
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},
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{
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name: "X == N ",
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sig: hexToBytes("30440220fffffffffffffffffffffffffffff" +
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"ffebaaedce6af48a03bbfd25e8cd0364142022018152" +
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"2ec8eca07de4860a4acdd12909d831cc56cbbac46220" +
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"82221a8768d1d09"),
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isValid: false,
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},
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{
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name: "Y == N",
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sig: hexToBytes("304402204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd410220fffff" +
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"ffffffffffffffffffffffffffebaaedce6af48a03bb" +
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"fd25e8cd0364141"),
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isValid: false,
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},
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{
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name: "Y > N",
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sig: hexToBytes("304402204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd410220fffff" +
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"ffffffffffffffffffffffffffebaaedce6af48a03bb" +
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"fd25e8cd0364142"),
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isValid: false,
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},
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{
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name: "0 len X",
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sig: hexToBytes("302402000220181522ec8eca07de4860a4acd" +
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"d12909d831cc56cbbac4622082221a8768d1d09"),
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isValid: false,
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},
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{
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name: "0 len Y",
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sig: hexToBytes("302402204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd410200"),
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isValid: false,
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},
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{
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name: "extra R padding",
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sig: hexToBytes("30450221004e45e16932b8af514961a1d3a1a" +
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"25fdf3f4f7732e9d624c6c61548ab5fb8cd410220181" +
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"522ec8eca07de4860a4acdd12909d831cc56cbbac462" +
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"2082221a8768d1d09"),
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isValid: false,
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},
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{
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name: "extra S padding",
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sig: hexToBytes("304502204e45e16932b8af514961a1d3a1a25" +
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"fdf3f4f7732e9d624c6c61548ab5fb8cd41022100181" +
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"522ec8eca07de4860a4acdd12909d831cc56cbbac462" +
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"2082221a8768d1d09"),
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isValid: false,
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},
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}
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vm := Engine{}
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for _, test := range tests {
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err := vm.checkSignatureEncoding(test.sig)
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if err != nil && test.isValid {
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t.Errorf("checkSignatureEncoding test '%s' failed "+
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"when it should have succeeded: %v", test.name,
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err)
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} else if err == nil && !test.isValid {
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t.Errorf("checkSignatureEncooding test '%s' succeeded "+
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"when it should have failed", test.name)
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}
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}
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}
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func TestDisasmPC(t *testing.T) {
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t.Parallel()
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// tx with almost empty scripts.
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tx := &wire.MsgTx{
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Version: 1,
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TxIn: []*wire.TxIn{{
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PreviousOutPoint: wire.OutPoint{
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TxID: daghash.TxID([32]byte{
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0xc9, 0x97, 0xa5, 0xe5,
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0x6e, 0x10, 0x41, 0x02,
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0xfa, 0x20, 0x9c, 0x6a,
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0x85, 0x2d, 0xd9, 0x06,
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0x60, 0xa2, 0x0b, 0x2d,
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0x9c, 0x35, 0x24, 0x23,
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0xed, 0xce, 0x25, 0x85,
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0x7f, 0xcd, 0x37, 0x04,
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}),
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Index: 0,
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},
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SignatureScript: mustParseShortForm("OP_2"),
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Sequence: 4294967295,
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}},
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TxOut: []*wire.TxOut{{
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Value: 1000000000,
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PkScript: nil,
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}},
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LockTime: 0,
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}
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pkScript := mustParseShortForm("OP_DROP NOP TRUE")
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vm, err := NewEngine(pkScript, tx, 0, 0, nil)
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if err != nil {
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t.Fatalf("failed to create script: %v", err)
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}
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tests := []struct {
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expected string
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expectedErr error
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}{
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{"00:0000: OP_2", nil},
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{"01:0000: OP_DROP", nil},
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{"01:0001: OP_NOP", nil},
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{"01:0002: OP_1", nil},
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{"", scriptError(ErrInvalidProgramCounter, "")},
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}
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|
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for i, test := range tests {
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actual, err := vm.DisasmPC()
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if e := checkScriptError(err, test.expectedErr); e != nil {
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t.Errorf("TestDisasmPC: %d: %s", i, e)
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}
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if actual != test.expected {
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t.Errorf("TestDisasmPC: %d: expected: '%s'. Got: '%s'", i, test.expected, actual)
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}
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// ignore results from vm.Step() to keep going even when no opcodes left, to hit error case
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_, _ = vm.Step()
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}
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}
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|
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func TestDisasmScript(t *testing.T) {
|
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t.Parallel()
|
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|
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// tx with almost empty scripts.
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tx := &wire.MsgTx{
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Version: 1,
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TxIn: []*wire.TxIn{{
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PreviousOutPoint: wire.OutPoint{
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TxID: daghash.TxID([32]byte{
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0xc9, 0x97, 0xa5, 0xe5,
|
|
0x6e, 0x10, 0x41, 0x02,
|
|
0xfa, 0x20, 0x9c, 0x6a,
|
|
0x85, 0x2d, 0xd9, 0x06,
|
|
0x60, 0xa2, 0x0b, 0x2d,
|
|
0x9c, 0x35, 0x24, 0x23,
|
|
0xed, 0xce, 0x25, 0x85,
|
|
0x7f, 0xcd, 0x37, 0x04,
|
|
}),
|
|
Index: 0,
|
|
},
|
|
SignatureScript: mustParseShortForm("OP_2"),
|
|
Sequence: 4294967295,
|
|
}},
|
|
TxOut: []*wire.TxOut{{
|
|
Value: 1000000000,
|
|
PkScript: nil,
|
|
}},
|
|
LockTime: 0,
|
|
}
|
|
pkScript := mustParseShortForm("OP_DROP NOP TRUE")
|
|
|
|
vm, err := NewEngine(pkScript, tx, 0, 0, nil)
|
|
if err != nil {
|
|
t.Fatalf("failed to create script: %v", err)
|
|
}
|
|
|
|
tests := []struct {
|
|
index int
|
|
expected string
|
|
expectedErr error
|
|
}{
|
|
{-1, "", scriptError(ErrInvalidIndex, "")},
|
|
{0, "00:0000: OP_2\n", nil},
|
|
{1, "01:0000: OP_DROP\n01:0001: OP_NOP\n01:0002: OP_1\n", nil},
|
|
{2, "", scriptError(ErrInvalidIndex, "")},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
actual, err := vm.DisasmScript(test.index)
|
|
if e := checkScriptError(err, test.expectedErr); e != nil {
|
|
t.Errorf("TestDisasmScript: %d: %s", test.index, e)
|
|
}
|
|
|
|
if actual != test.expected {
|
|
t.Errorf("TestDisasmScript: %d: expected: '%s'. Got: '%s'", test.index, test.expected, actual)
|
|
}
|
|
}
|
|
}
|