MultiSigPublicKey constructor

MultiSigPublicKey(MultiSigPublicKeyStruct value)

Implementation

MultiSigPublicKey(MultiSigPublicKeyStruct value) {
  _multisigPublicKey = value;
  _rawBytes = bcs.ser("MultiSigPublicKey", value).toBytes();

  if (_multisigPublicKey.threshold < 1) {
    throw ArgumentError("Invalid threshold");
  }

  final seenPublicKeys = <String>{};

  publicKeys = _multisigPublicKey.pks.map((e) {
    final scheme = e.pubKey.keys.first;
    final bytes = e.pubKey[scheme].cast<int>();
    final publicKeyStr = Uint8List.fromList(bytes).toString();

			if (seenPublicKeys.contains(publicKeyStr)) {
				throw ArgumentError("Multisig does not support duplicate public keys");
			}
			seenPublicKeys.add(publicKeyStr);

    if (e.weight < 1) {
      throw ArgumentError("Invalid weight");
    }
    return PublicKeyWeight(e.weight, publicKeyFromRawBytes(scheme, Uint8List.fromList(bytes)));
  }).toList();

  final totalWeight = publicKeys.isEmpty ? 0 : publicKeys.map((p) => p.weight).reduce((x, y) => x + y);

  if (_multisigPublicKey.threshold > totalWeight) {
    throw ArgumentError("Unreachable threshold");
  }

  if (publicKeys.length > MAX_SIGNER_IN_MULTISIG) {
    throw ArgumentError("Max number of signers in a multisig is $MAX_SIGNER_IN_MULTISIG");
  }

		if (publicKeys.length < MIN_SIGNER_IN_MULTISIG) {
			throw ArgumentError("Min number of signers in a multisig is $MIN_SIGNER_IN_MULTISIG");
		}

}