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**Motivation** Closes https://github.com/ChainSafe/lodestar/issues/8606 **Description** This updates our implementation to be compliant with latest spec https://github.com/ethereum/beacon-APIs/pull/368. For sync committee aggregation selection (unchanged) - we call `submitSyncCommitteeSelections` at the start of the slot - the timeout is still based on `CONTRIBUTION_DUE_BPS` into the slot (8 seconds) - we call the endpoint for all duties of this slot - logic has been moved to duties service For attestation aggregation selection - we call `submitBeaconCommitteeSelections` at the start of the epoch for current and next epoch (2 separate calls) - the timeout uses default which is based on `SLOT_DURATION_MS` (12 seconds) - we only call `prepareBeaconCommitteeSubnet` once the above call either resolved or failed, this should be fine as it's not that time sensitive (one epoch lookahead) - if duties are reorged, we will call `submitBeaconCommitteeSelections` with duties of affected epoch - logic has been moved to duties service Previous PR https://github.com/ChainSafe/lodestar/pull/5344
Lodestar Eth Consensus API
This package is part of ChainSafe's Lodestar project
Typescript REST client for the Ethereum Consensus API
Usage
The REST client extends the native Fetch API, it behaves very similar in terms of error and response handling. It returns the same Response object with additional methods to simplify usage and it allows to override all Request options if needed.
import {getClient} from "@lodestar/api";
import {config} from "@lodestar/config/default";
const api = getClient({baseUrl: "http://localhost:9596"}, {config});
const res = await api.beacon.getStateValidator({stateId: "head", validatorId: 0});
const validator = res.value();
console.log("The validator balance is: ", validator.balance);
Prerequisites
What you need
You will need to go over the specification.
Getting started
- Follow the installation guide to install Lodestar.
- Quickly try out the whole stack by starting a local testnet.
Contributors
Read our contributors document, submit an issue or talk to us on our discord!
License
Apache-2.0 ChainSafe Systems