LBRYCommunity/lbcd
1
0
Fork 0
Code Issues 17 Pull requests 4 Projects Releases 28 Packages Wiki Activity

[lbry] txscript: recognize LBRY claim script OPCODES

Browse source
This commit is contained in:
Roy Lee 2018-06-14 19:12:43 -07:00
parent 2b28dfa528
commit 61a18152e9
1 changed files with 17 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
txscript/opcode.go
View file

@ -220,9 +220,9 @@ const (
OP_CHECKSEQUENCEVERIFY = 0xb2 // 178 - AKA OP_NOP3 OP_CHECKSEQUENCEVERIFY = 0xb2 // 178 - AKA OP_NOP3
OP_NOP4 = 0xb3 // 179 OP_NOP4 = 0xb3 // 179
OP_NOP5 = 0xb4 // 180 OP_NOP5 = 0xb4 // 180
OP_NOP6 = 0xb5 // 181 OP_CLAIMNAME = 0xb5 // 181 - AKA OP_NOP6
OP_NOP7 = 0xb6 // 182 OP_SUPPORTCLAIM = 0xb6 // 182 - AKA OP_NOP7
OP_NOP8 = 0xb7 // 183 OP_UPDATECLAIM = 0xb7 // 183 - AKA OP_NOP8
OP_NOP9 = 0xb8 // 184 OP_NOP9 = 0xb8 // 184
OP_NOP10 = 0xb9 // 185 OP_NOP10 = 0xb9 // 185
OP_UNKNOWN186 = 0xba // 186 OP_UNKNOWN186 = 0xba // 186
@ -504,9 +504,9 @@ var opcodeArray = [256]opcode{
OP_NOP1: {OP_NOP1, "OP_NOP1", 1, opcodeNop}, OP_NOP1: {OP_NOP1, "OP_NOP1", 1, opcodeNop},
OP_NOP4: {OP_NOP4, "OP_NOP4", 1, opcodeNop}, OP_NOP4: {OP_NOP4, "OP_NOP4", 1, opcodeNop},
OP_NOP5: {OP_NOP5, "OP_NOP5", 1, opcodeNop}, OP_NOP5: {OP_NOP5, "OP_NOP5", 1, opcodeNop},
OP_NOP6: {OP_NOP6, "OP_NOP6", 1, opcodeNop}, OP_CLAIMNAME: {OP_CLAIMNAME, "OP_CLAIMNAME", 1, opcodeClaimScript},
OP_NOP7: {OP_NOP7, "OP_NOP7", 1, opcodeNop}, OP_SUPPORTCLAIM: {OP_SUPPORTCLAIM, "OP_SUPPORTCLAIM", 1, opcodeClaimScript},
OP_NOP8: {OP_NOP8, "OP_NOP8", 1, opcodeNop}, OP_UPDATECLAIM: {OP_UPDATECLAIM, "OP_UPDATECLAIM", 1, opcodeClaimScript},
OP_NOP9: {OP_NOP9, "OP_NOP9", 1, opcodeNop}, OP_NOP9: {OP_NOP9, "OP_NOP9", 1, opcodeNop},
OP_NOP10: {OP_NOP10, "OP_NOP10", 1, opcodeNop}, OP_NOP10: {OP_NOP10, "OP_NOP10", 1, opcodeNop},
@ -725,8 +725,7 @@ func opcodeN(op *opcode, data []byte, vm *Engine) error {
func opcodeNop(op *opcode, data []byte, vm *Engine) error { func opcodeNop(op *opcode, data []byte, vm *Engine) error {
switch op.value { switch op.value {
case OP_NOP1, OP_NOP4, OP_NOP5, case OP_NOP1, OP_NOP4, OP_NOP5,
OP_NOP6, OP_NOP7, OP_NOP8, OP_NOP9, OP_NOP10: OP_NOP9, OP_NOP10:
if vm.hasFlag(ScriptDiscourageUpgradableNops) { if vm.hasFlag(ScriptDiscourageUpgradableNops) {
str := fmt.Sprintf("%v reserved for soft-fork "+ str := fmt.Sprintf("%v reserved for soft-fork "+
"upgrades", op.name) "upgrades", op.name)
@ -736,6 +735,11 @@ func opcodeNop(op *opcode, data []byte, vm *Engine) error {
return nil return nil
} }
func opcodeClaimScript(op *opcode, data []byte, vm *Engine) error {
vm.dstack.PushByteArray([]byte{0})
return nil
}
// popIfBool enforces the "minimal if" policy during script execution if the // popIfBool enforces the "minimal if" policy during script execution if the
// particular flag is set. If so, in order to eliminate an additional source // particular flag is set. If so, in order to eliminate an additional source
// of nuisance malleability, post-segwit for version 0 witness programs, we now // of nuisance malleability, post-segwit for version 0 witness programs, we now