feat(rpc-types-engine): add into_payload_and_sidecar to V4 and V5 envelopes#3624
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feat(rpc-types-engine): add into_payload_and_sidecar to V4 and V5 envelopes#3624
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…elopes Adds a new method to both ExecutionPayloadEnvelopeV4 and ExecutionPayloadEnvelopeV5 that converts the envelope into an (ExecutionPayload, ExecutionPayloadSidecar) tuple. This is useful when using testing_buildBlockV1 or similar APIs that return payload envelopes but need to be converted for use with newPayload. The parent_beacon_block_root must be provided as it is not part of the envelope but is required for the sidecar's CancunPayloadFields.
mattsse
approved these changes
Jan 30, 2026
mattsse
requested review from
DaniPopes,
grandizzy,
klkvr,
onbjerg and
zerosnacks
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Summary
Adds a new
into_payload_and_sidecarmethod to bothExecutionPayloadEnvelopeV4andExecutionPayloadEnvelopeV5that converts the envelope into an(ExecutionPayload, ExecutionPayloadSidecar)tuple.Motivation
This is useful when using
testing_buildBlockV1or similar APIs that return payload envelopes but need to be converted for use withnewPayload. Ported from: paradigmxyz/reth#21607Changes
into_payload_and_sidecar(parent_beacon_block_root: B256)toExecutionPayloadEnvelopeV4into_payload_and_sidecar(parent_beacon_block_root: B256)toExecutionPayloadEnvelopeV5The
parent_beacon_block_rootmust be provided as it is not part of the envelope but is required for the sidecar'sCancunPayloadFields. The versioned hashes are computed from the blobs bundle commitments.