decode method Null safety

XdrHostFunction decode(
  1. XdrDataInputStream stream
)

Implementation

static XdrHostFunction decode(XdrDataInputStream stream) {
  XdrHostFunction decoded =
      XdrHostFunction(XdrHostFunctionType.decode(stream));
  switch (decoded.discriminant) {
    case XdrHostFunctionType.HOST_FUNCTION_TYPE_INVOKE_CONTRACT:
      int vecSize = stream.readInt();
      decoded.invokeArgs = List<XdrSCVal>.empty(growable: true);
      for (int i = 0; i < vecSize; i++) {
        decoded.invokeArgs!.add(XdrSCVal.decode(stream));
      }
      break;
    case XdrHostFunctionType.HOST_FUNCTION_TYPE_CREATE_CONTRACT:
      decoded.createContractArgs = XdrCreateContractArgs.decode(stream);
      break;
    case XdrHostFunctionType.HOST_FUNCTION_TYPE_INSTALL_CONTRACT_CODE:
      decoded.installContractCodeArgs =
          XdrInstallContractCodeArgs.decode(stream);
      break;
  }
  return decoded;
}