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txscript: Remove unused isWitnessProgram

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This commit is contained in:
Conner Fromknecht 2019-04-19 20:09:59 -07:00 committed by Roy Lee
parent bd07a2580e
commit aa1014c87b
1 changed files with 0 additions and 15 deletions
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15
txscript/script.go
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@ -98,21 +98,6 @@ func IsWitnessProgram(script []byte) bool {
return isWitnessProgramScript(script)
}
// isWitnessProgram returns true if the passed script is a witness program, and
// false otherwise. A witness program MUST adhere to the following constraints:
// there must be exactly two pops (program version and the program itself), the
// first opcode MUST be a small integer (0-16), the push data MUST be
// canonical, and finally the size of the push data must be between 2 and 40
// bytes.
//
// DEPRECATED: Use isWitnessProgramScript instead.
func isWitnessProgram(pops []parsedOpcode) bool {
return len(pops) == 2 &&
isSmallInt(pops[0].opcode.value) &&
isCanonicalPush(pops[1].opcode.value, pops[1].data) &&
(len(pops[1].data) >= 2 && len(pops[1].data) <= 40)
}
// IsNullData returns true if the passed script is a null data script, false
// otherwise.
func IsNullData(script []byte) bool {