fix(engine): deserialize PayloadAttributes.slot_number as hex string#3619
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mattsse merged 1 commit intobal-devnet2from Jan 30, 2026
Merged
fix(engine): deserialize PayloadAttributes.slot_number as hex string#3619mattsse merged 1 commit intobal-devnet2from
mattsse merged 1 commit intobal-devnet2from
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The execution-apis spec defines slotNumber as uint64 (hex-encoded string), but PayloadAttributes was missing the serde quantity attribute. This caused engine_forkchoiceUpdatedV4 to fail with: 'invalid type: string "0x0", expected u64' See: ethereum/execution-apis#731 Amp-Thread-ID: https://ampcode.com/threads/T-019c0b50-5b65-759b-b375-7a23102f5675 Co-authored-by: Amp <[email protected]>
jenpaff
requested review from
DaniPopes,
grandizzy,
klkvr,
mattsse,
onbjerg and
zerosnacks
as code owners
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align with spec update ethereum/execution-apis#731