sync_committees RPC method

Ethereum consensus layer Beacon Chain API call that returns the sync committees (opens new window) for the given state.

Parameters:

state_id — string — (required) the state identifier with:
- head — the canonical head of the chain in the view of the node that you are sending the call to.
- genesis — the genesis state of the chain.
- justified — the slot in the current epoch that has received attestations (opens new window) from two thirds of the Ethereum validators.
- finalized — the previously justified slot that is now in the epoch that is at least immediately previous to the current epoch.
- slot — the slot number.
- 0xstateRoot — the root hash for the global chain state after applying changes in the block (opens new window) that is in the slot.
epoch — string — fetches committees for the given epoch. If not present, then the committees for the epoch of the state will be obtained.

Returns:

execution_optimistic — boolean — true if the response references an unverified execution payload. Optimistic information may be invalidated at a later time. If the field is not present, assume the false value.
data — array — object with:
- validator — array — all of the validator indices in the current sync committee (opens new window).
- validator_aggregate — array — the subcommittee slices of the current sync committee (opens new window).

Example:

curl -X GET https://beacon-nd-123-456-789.p2pify.com/3c6e0b8a9c15224a8228b9a98ca1531d/eth/v1/beacon/states/head/sync_committees