GRPC Ledger data fetcher. More...

#include <LedgerFetcher.hpp>

Inheritance diagram for etl::impl::LedgerFetcher:

Collaboration diagram for etl::impl::LedgerFetcher:

Public Member Functions
	LedgerFetcher (std::shared_ptr< BackendInterface > backend, std::shared_ptr< etlng::LoadBalancerInterface > balancer)
	Create an instance of the fetcher.
OptionalGetLedgerResponseType	fetchData (uint32_t sequence) override
	Extract data for a particular ledger from an ETL source.
OptionalGetLedgerResponseType	fetchDataAndDiff (uint32_t sequence) override
	Extract diff data for a particular ledger from an ETL source.

Additional Inherited Members
Public Types inherited from etl::LedgerFetcherInterface
using	GetLedgerResponseType = org::xrpl::rpc::v1::GetLedgerResponse
using	OptionalGetLedgerResponseType = std::optional<GetLedgerResponseType>

Detailed Description

GRPC Ledger data fetcher.

Member Function Documentation

◆ fetchData()

OptionalGetLedgerResponseType etl::impl::LedgerFetcher::fetchData ( uint32_t sequence )

inlinenodiscardoverridevirtual

Extract data for a particular ledger from an ETL source.

This function continuously tries to extract the specified ledger (using all available ETL sources) until the extraction succeeds, or the server shuts down.

Parameters

sequence sequence of the ledger to extract

Returns: Ledger header and transaction+metadata blobs; Empty optional if the server is shutting down

Implements etl::LedgerFetcherInterface.

◆ fetchDataAndDiff()

OptionalGetLedgerResponseType etl::impl::LedgerFetcher::fetchDataAndDiff ( uint32_t sequence )

inlinenodiscardoverridevirtual

Extract diff data for a particular ledger from an ETL source.