checkBech32 function
Check bech32 address with prefix, such as ckb.
Implementation
bool checkBech32(String address, {String prefix = ''}) {
Bech32 decoded = bech32.decode(address);
if (decoded.hrp != prefix) return false;
final checksum = createChecksum(decoded.hrp, decoded.data);
final result = verifyChecksum(decoded.hrp, decoded.data + checksum);
return result;
}