this.dataProvider = requireNonNull(dataProvider);
this.rpcProviderService = requireNonNull(rpcProviderService);
this.rpcImplementation = requireNonNull(rpcImplementation);
this.dataProvider = requireNonNull(dataProvider);
this.rpcProviderService = requireNonNull(rpcProviderService);
this.rpcImplementation = requireNonNull(rpcImplementation);