// TestInvalidFlagCombinations ensures the script engine returns the expected
// error when disallowed flag combinations are specified.
func TestInvalidFlagCombinations(t *testing.T) {
t.Parallel()
tests := []txscript.ScriptFlags{
txscript.ScriptVerifyCleanStack,
}
// tx with almost empty scripts.
tx := &wire.MsgTx{
Version: 1,
TxIn: []*wire.TxIn{
{
PreviousOutPoint: wire.OutPoint{
Hash: chainhash.Hash([32]byte{
0xc9, 0x97, 0xa5, 0xe5,
0x6e, 0x10, 0x41, 0x02,
0xfa, 0x20, 0x9c, 0x6a,
0x85, 0x2d, 0xd9, 0x06,
0x60, 0xa2, 0x0b, 0x2d,
0x9c, 0x35, 0x24, 0x23,
0xed, 0xce, 0x25, 0x85,
0x7f, 0xcd, 0x37, 0x04,
}),
Index: 0,
},
SignatureScript: []uint8{txscript.OP_NOP},
Sequence: 4294967295,
},
},
TxOut: []*wire.TxOut{
{
Value: 1000000000,
PkScript: nil,
},
},
LockTime: 0,
}
pkScript := []byte{txscript.OP_NOP}
for i, test := range tests {
_, err := txscript.NewEngine(pkScript, tx, 0, test, nil)
if err != txscript.ErrInvalidFlags {
t.Fatalf("TestInvalidFlagCombinations #%d unexpected "+
"error: %v", i, err)
}
}
}
"error code got: %v, want: %v", i,
rerr.ErrorCode, trerr.ErrorCode)
continue
}
}
}
}
// Block100000 defines block 100,000 of the block chain. It is used to
// test Block operations.
var Block100000 = wire.MsgBlock{
Header: wire.BlockHeader{
Version: 1,
PrevBlock: chainhash.Hash([32]byte{ // Make go vet happy.
0x50, 0x12, 0x01, 0x19, 0x17, 0x2a, 0x61, 0x04,
0x21, 0xa6, 0xc3, 0x01, 0x1d, 0xd3, 0x30, 0xd9,
0xdf, 0x07, 0xb6, 0x36, 0x16, 0xc2, 0xcc, 0x1f,
0x1c, 0xd0, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
}), // 000000000002d01c1fccc21636b607dfd930d31d01c3a62104612a1719011250
MerkleRoot: chainhash.Hash([32]byte{ // Make go vet happy.
0x66, 0x57, 0xa9, 0x25, 0x2a, 0xac, 0xd5, 0xc0,
0xb2, 0x94, 0x09, 0x96, 0xec, 0xff, 0x95, 0x22,
0x28, 0xc3, 0x06, 0x7c, 0xc3, 0x8d, 0x48, 0x85,
0xef, 0xb5, 0xa4, 0xac, 0x42, 0x47, 0xe9, 0xf3,
}), // f3e94742aca4b5ef85488dc37c06c3282295ffec960994b2c0d5ac2a25a95766
Timestamp: time.Unix(1293623863, 0), // 2010-12-29 11:57:43 +0000 UTC
Bits: 0x1b04864c, // 453281356
Nonce: 0x10572b0f, // 274148111
},
Transactions: []*wire.MsgTx{
{
Version: 1,
serializedSize := test.in.SerializeSize()
if serializedSize != test.size {
t.Errorf("MsgBlock.SerializeSize: #%d got: %d, want: "+
"%d", i, serializedSize, test.size)
continue
}
}
}
// blockOne is the first block in the mainnet block chain.
var blockOne = MsgBlock{
Header: BlockHeader{
Version: 1,
PrevBlock: chainhash.Hash([chainhash.HashSize]byte{ // Make go vet happy.
0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00,
}),
MerkleRoot: chainhash.Hash([chainhash.HashSize]byte{ // Make go vet happy.
0x98, 0x20, 0x51, 0xfd, 0x1e, 0x4b, 0xa7, 0x44,
0xbb, 0xbe, 0x68, 0x0e, 0x1f, 0xee, 0x14, 0x67,
0x7b, 0xa1, 0xa3, 0xc3, 0x54, 0x0b, 0xf7, 0xb1,
0xcd, 0xb6, 0x06, 0xe8, 0x57, 0x23, 0x3e, 0x0e,
}),
Timestamp: time.Unix(0x4966bc61, 0), // 2009-01-08 20:54:25 -0600 CST
Bits: 0x1d00ffff, // 486604799
Nonce: 0x9962e301, // 2573394689
},
Transactions: []*MsgTx{
{
0xde, 0xb6, 0x49, 0xf6, 0xbc, 0x3f, 0x4c, 0xef, /* |..I..?L.| */
0x38, 0xc4, 0xf3, 0x55, 0x04, 0xe5, 0x1e, 0xc1, /* |8..U....| */
0x12, 0xde, 0x5c, 0x38, 0x4d, 0xf7, 0xba, 0x0b, /* |..\8M...| */
0x8d, 0x57, 0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, /* |.W.Lp+k.| */
0x1d, 0x5f, 0xac, /* |._.| */
},
},
},
LockTime: 0,
}
// genesisHash is the hash of the first block in the block chain for the main
// network (genesis block).
var genesisHash = chainhash.Hash([chainhash.HashSize]byte{ // Make go vet happy.
0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00,
})
// genesisMerkleRoot is the hash of the first transaction in the genesis block
// for the main network.
var genesisMerkleRoot = chainhash.Hash([chainhash.HashSize]byte{ // Make go vet happy.
0x3b, 0xa3, 0xed, 0xfd, 0x7a, 0x7b, 0x12, 0xb2,
0x7a, 0xc7, 0x2c, 0x3e, 0x67, 0x76, 0x8f, 0x61,
0x7f, 0xc8, 0x1b, 0xc3, 0x88, 0x8a, 0x51, 0x32,
0x3a, 0x9f, 0xb8, 0xaa, 0x4b, 0x1e, 0x5e, 0x4a,
})
// genesisBlock defines the genesis block of the block chain which serves as the
// public transaction ledger for the main network.
var genesisBlock = wire.MsgBlock{
// TestCheckErrorCondition tests the execute early test in CheckErrorCondition()
// since most code paths are tested elsewhere.
func TestCheckErrorCondition(t *testing.T) {
t.Parallel()
// tx with almost empty scripts.
tx := &wire.MsgTx{
Version: 1,
TxIn: []*wire.TxIn{
{
PreviousOutPoint: wire.OutPoint{
Hash: chainhash.Hash([32]byte{
0xc9, 0x97, 0xa5, 0xe5,
0x6e, 0x10, 0x41, 0x02,
0xfa, 0x20, 0x9c, 0x6a,
0x85, 0x2d, 0xd9, 0x06,
0x60, 0xa2, 0x0b, 0x2d,
0x9c, 0x35, 0x24, 0x23,
0xed, 0xce, 0x25, 0x85,
0x7f, 0xcd, 0x37, 0x04,
}),
Index: 0,
},
SignatureScript: []uint8{},
Sequence: 4294967295,
},
},
TxOut: []*wire.TxOut{
{
Value: 1000000000,
PkScript: nil,
},
},
LockTime: 0,
}
pkScript := []byte{
txscript.OP_NOP,
txscript.OP_NOP,
txscript.OP_NOP,
txscript.OP_NOP,
txscript.OP_NOP,
txscript.OP_NOP,
txscript.OP_NOP,
txscript.OP_NOP,
txscript.OP_NOP,
txscript.OP_NOP,
txscript.OP_TRUE,
}
vm, err := txscript.NewEngine(pkScript, tx, 0, 0, nil)
if err != nil {
t.Errorf("failed to create script: %v", err)
}
for i := 0; i < len(pkScript)-1; i++ {
done, err := vm.Step()
if err != nil {
t.Errorf("failed to step %dth time: %v", i, err)
return
}
if done {
t.Errorf("finshed early on %dth time", i)
return
}
err = vm.CheckErrorCondition(false)
if err != txscript.ErrStackScriptUnfinished {
t.Errorf("got unexepected error %v on %dth iteration",
err, i)
return
}
}
done, err := vm.Step()
if err != nil {
t.Errorf("final step failed %v", err)
return
}
if !done {
t.Errorf("final step isn't done!")
return
}
err = vm.CheckErrorCondition(false)
if err != nil {
t.Errorf("unexpected error %v on final check", err)
}
}
// TestBadPC sets the pc to a deliberately bad result then confirms that Step()
// and Disasm fail correctly.
func TestBadPC(t *testing.T) {
t.Parallel()
type pcTest struct {
script, off int
}
pcTests := []pcTest{
{
script: 2,
off: 0,
},
{
script: 0,
off: 2,
},
}
// tx with almost empty scripts.
tx := &wire.MsgTx{
Version: 1,
TxIn: []*wire.TxIn{
{
PreviousOutPoint: wire.OutPoint{
Hash: chainhash.Hash([32]byte{
0xc9, 0x97, 0xa5, 0xe5,
0x6e, 0x10, 0x41, 0x02,
0xfa, 0x20, 0x9c, 0x6a,
0x85, 0x2d, 0xd9, 0x06,
0x60, 0xa2, 0x0b, 0x2d,
0x9c, 0x35, 0x24, 0x23,
0xed, 0xce, 0x25, 0x85,
0x7f, 0xcd, 0x37, 0x04,
}),
Index: 0,
},
SignatureScript: []uint8{txscript.OP_NOP},
Sequence: 4294967295,
},
},
TxOut: []*wire.TxOut{
{
Value: 1000000000,
PkScript: nil,
},
},
LockTime: 0,
}
pkScript := []byte{txscript.OP_NOP}
for _, test := range pcTests {
vm, err := txscript.NewEngine(pkScript, tx, 0, 0, nil)
if err != nil {
t.Errorf("Failed to create script: %v", err)
}
// set to after all scripts
vm.TstSetPC(test.script, test.off)
_, err = vm.Step()
if err == nil {
t.Errorf("Step with invalid pc (%v) succeeds!", test)
continue
}
_, err = vm.DisasmPC()
if err == nil {
t.Errorf("DisasmPC with invalid pc (%v) succeeds!",
test)
}
}
}
"bytes"
"fmt"
"io"
"reflect"
"strings"
"testing"
"github.com/btcsuite/btcd/chaincfg/chainhash"
"github.com/davecgh/go-spew/spew"
)
// mainNetGenesisHash is the hash of the first block in the block chain for the
// main network (genesis block).
var mainNetGenesisHash = chainhash.Hash([chainhash.HashSize]byte{ // Make go vet happy.
0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00,
})
// mainNetGenesisMerkleRoot is the hash of the first transaction in the genesis
// block for the main network.
var mainNetGenesisMerkleRoot = chainhash.Hash([chainhash.HashSize]byte{ // Make go vet happy.
0x3b, 0xa3, 0xed, 0xfd, 0x7a, 0x7b, 0x12, 0xb2,
0x7a, 0xc7, 0x2c, 0x3e, 0x67, 0x76, 0x8f, 0x61,
0x7f, 0xc8, 0x1b, 0xc3, 0x88, 0x8a, 0x51, 0x32,
0x3a, 0x9f, 0xb8, 0xaa, 0x4b, 0x1e, 0x5e, 0x4a,
})
// fakeRandReader implements the io.Reader interface and is used to force
// errors in the RandomUint64 function.
type fakeRandReader struct {