txscript/pkscript.go

@@ -211,11 +211,12 @@ func computeNonWitnessPkScript(sigScript []byte) (PkScript, error) {
 		// The redeem script will always be the last data push of the
 		// signature script, so we'll parse the script into opcodes to
 		// obtain it.
-		parsedOpcodes, err := parseScript(sigScript)
+		const scriptVersion = 0
+		err := checkScriptParses(scriptVersion, sigScript)
 		if err != nil {
 			return PkScript{}, err
 		}
-		redeemScript := parsedOpcodes[len(parsedOpcodes)-1].data
+		redeemScript := finalOpcodeData(scriptVersion, sigScript)
 
 		scriptHash := hash160(redeemScript)
 		script, err := payToScriptHashScript(scriptHash)