@Override
  public JsonRpcResponse response(final JsonRpcRequestContext requestContext) {
    return new JsonRpcSuccessResponse(
        requestContext.getRequest().getId(), blockResult(requestContext));
  }
Instantiates a new Ibft get validators by block hash.

@param blockchain the blockchain
@param blockInterface the block interface
consensus/ibft/src/main/java/org/hyperledger/besu/consensus/ibft/jsonrpc/methods/IbftGetValidatorsByBlockHash.java