feat: fetch raw signed execution payload envelopes - #80
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Adds RawExecutionPayloadEnvelope to the consensus API client and
FetchRawExecutionPayloadEnvelope to the Node interface, exposing
GET /eth/v1/beacon/execution_payload_envelopes/{block_id} (gloas onwards)
in JSON or SSZ depending on the requested content type.
Claude-Session: https://claude.ai/code/session_012CnMNMdPisWGmvKhKzj1ii
samcm
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Jul 16, 2026
Gloas (ePBS) blocks only commit to the execution payload; the payload contents ship separately as a SignedExecutionPayloadEnvelope, making the envelope effectively the other half of the block. Archive it as a new object type, cloned end-to-end from the beacon block flow: agent fetch on block events (gated on the gloas fork epoch, with a short retry while the builder reveals the payload; a never-revealed payload is skipped), gzip'd raw SSZ in the store, indexer table and gRPC/API surface, download route, retention, and a web UI listing. Envelope fetching rides on ethpandaops/beacon#80, which exposes GET /eth/v1/beacon/execution_payload_envelopes/{block_id}. Claude-Session: https://claude.ai/code/session_012CnMNMdPisWGmvKhKzj1ii
samcm
marked this pull request as ready for review
July 16, 2026 05:28
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Adds RawExecutionPayloadEnvelope to the consensus API client and FetchRawExecutionPayloadEnvelope to the Node interface, exposing GET /eth/v1/beacon/execution_payload_envelopes/{block_id} (gloas onwards) in JSON or SSZ depending on the requested content type. Needed by tracoor to archive envelopes on glamsterdam devnets.
https://claude.ai/code/session_012CnMNMdPisWGmvKhKzj1ii