import 'package:bitcoin_base/bitcoin_base.dart'; import 'package:crypto/crypto.dart'; String scriptHash(String address, {required BasedUtxoNetwork network}) { final outputScript = addressToOutputScript(address: address, network: network); final parts = sha256.convert(outputScript).toString().split(''); var res = ''; for (var i = parts.length - 1; i >= 0; i--) { final char = parts[i]; i--; final nextChar = parts[i]; res += nextChar; res += char; } return res; }