argToTransactionArgument function

TransactionArgument argToTransactionArgument(dynamic argVal, TypeTag argType)

Implementation

TransactionArgument argToTransactionArgument(dynamic argVal, TypeTag argType) {
  if (argType is TypeTagBool) {
    return TransactionArgumentBool(ensureBoolean(argVal));
  }
  if (argType is TypeTagU8) {
    return TransactionArgumentU8(ensureNumber(argVal));
  }
  if (argType is TypeTagU16) {
    return TransactionArgumentU16(ensureNumber(argVal));
  }
  if (argType is TypeTagU32) {
    return TransactionArgumentU32(ensureNumber(argVal));
  }
  if (argType is TypeTagU64) {
    return TransactionArgumentU64(ensureBigInt(argVal));
  }
  if (argType is TypeTagU128) {
    return TransactionArgumentU128(ensureBigInt(argVal));
  }
  if (argType is TypeTagU256) {
    return TransactionArgumentU256(ensureBigInt(argVal));
  }
  if (argType is TypeTagAddress) {
    AccountAddress addr;
    if (argVal is String || argVal is HexString) {
      addr = AccountAddress.fromHex(argVal);
    } else if (argVal is AccountAddress) {
      addr = argVal;
    } else {
      throw ArgumentError("Invalid account address.");
    }
    return TransactionArgumentAddress(addr);
  }
  if (argType is TypeTagVector && argType.value is TypeTagU8) {
    if (argVal is! Iterable<int>) {
      throw ArgumentError("$argVal should be an instance of Uint8Array");
    }

    return TransactionArgumentU8Vector(Uint8List.fromList(argVal.toList()));
  }

  throw ArgumentError("Unknown type for TransactionArgument.");
}