txscript: Remove unused getSigOpCount function.

This commit is contained in:
Dave Collins 2019-03-13 01:12:11 -05:00 committed by Roy Lee
parent e9a777d84e
commit ea7b0e3816

View file

@ -698,42 +698,6 @@ func asSmallInt(op byte) int {
return int(op - (OP_1 - 1))
}
// getSigOpCount is the implementation function for counting the number of
// signature operations in the script provided by pops. If precise mode is
// requested then we attempt to count the number of operations for a multisig
// op. Otherwise we use the maximum.
//
// DEPRECATED. Use countSigOpsV0 instead.
func getSigOpCount(pops []parsedOpcode, precise bool) int {
nSigs := 0
for i, pop := range pops {
switch pop.opcode.value {
case OP_CHECKSIG:
fallthrough
case OP_CHECKSIGVERIFY:
nSigs++
case OP_CHECKMULTISIG:
fallthrough
case OP_CHECKMULTISIGVERIFY:
// If we are being precise then look for familiar
// patterns for multisig, for now all we recognize is
// OP_1 - OP_16 to signify the number of pubkeys.
// Otherwise, we use the max of 20.
if precise && i > 0 &&
pops[i-1].opcode.value >= OP_1 &&
pops[i-1].opcode.value <= OP_16 {
nSigs += asSmallInt(pops[i-1].opcode.value)
} else {
nSigs += MaxPubKeysPerMultiSig
}
default:
// Not a sigop.
}
}
return nSigs
}
// countSigOpsV0 returns the number of signature operations in the provided
// script up to the point of the first parse failure or the entire script when
// there are no parse failures. The precise flag attempts to accurately count