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Disallow OP_CMS in taproot (#4485)

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benthecarman 2022-07-10 18:47:31 -05:00 • committed by GitHub
parent cc45924ed8
commit 990e344a49
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1 changed files with 7 additions and 1 deletions
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8
core/src/main/scala/org/bitcoins/core/script/crypto/CryptoInterpreter.scala
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@ -4,6 +4,7 @@ import org.bitcoins.core.consensus.Consensus
import org.bitcoins.core.crypto._
import org.bitcoins.core.protocol.script.{
SigVersionBase,
SigVersionTaproot,
SigVersionTaprootKeySpend,
SigVersionTapscript,
SigVersionWitnessV0
@ -308,7 +309,12 @@ sealed abstract class CryptoInterpreter {
"Script top must be OP_CHECKMULTISIG")
val flags = program.flags
if (program.stack.size < 1) {
if (
program.txSignatureComponent.sigVersion
.isInstanceOf[SigVersionTaproot]
) {
program.failExecution(ScriptErrorTapScriptCheckMultiSig)
} else if (program.stack.size < 1) {
program.failExecution(ScriptErrorInvalidStackOperation)
} else {
//these next lines remove the appropriate stack/script values after the signatures have been checked