Skip to content

fix: emit payload_attributes for local proposals by default #9258

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
nflaig merged 4 commits into from
Apr 23, 2026
Merged

fix: emit payload_attributes for local proposals by default #9258

Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
2385622
fix: emit `payload_attributes` for local proposals by default
eth2353 Apr 22, 2026
bb212e0
Remove gap in comment
eth2353 Apr 22, 2026
22a6a0e
Merge branch 'unstable' into payload-attributes-for-proposer
nflaig Apr 23, 2026
334df3d
I hope this works
nflaig Apr 23, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 5 additions & 6 deletions packages/beacon-node/src/chain/prepareNextSlot.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -215,19 +215,18 @@ export class PrepareNextSlotScheduler {

this.computeStateHashTreeRoot(updatedPrepareState, isEpochTransition);

// If emitPayloadAttributes is true emit a SSE payloadAttributes event
// If emitPayloadAttributes is true emit a SSE payloadAttributes event for
// every slot. Without the flag, only emit the event if we are proposing in the next slot.
if (
this.chain.opts.emitPayloadAttributes === true &&
(feeRecipient || this.chain.opts.emitPayloadAttributes === true) &&
this.chain.emitter.listenerCount(routes.events.EventType.payloadAttributes)
) {
const data = getPayloadAttributesForSSE(fork as ForkPostBellatrix, this.chain, {
prepareState: updatedPrepareState,
prepareSlot,
parentBlockRoot: fromHex(headRoot),
parentBlockRoot: fromHex(updatedHead.blockRoot),
parentBlockHash,
// The likely consumers of this API are builders and will anyway ignore the
// feeRecipient, so just pass zero hash for now till a real use case arises
feeRecipient: "0x0000000000000000000000000000000000000000000000000000000000000000",
feeRecipient: feeRecipient ?? "0x0000000000000000000000000000000000000000",
Comment thread
nflaig marked this conversation as resolved.
});
this.chain.emitter.emit(routes.events.EventType.payloadAttributes, {data, version: fork});
}
Expand Down
Loading