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Antje WorringandHanzo Dev
e656eb9cf7
Under all-upgrades-active (Shanghai+), the genesis header carries a WithdrawalsHash that is part of the canonical (geth-standard) header hash, but RPCMarshalHeader never emitted withdrawalsRoot — so a client that decoded the genesis block's JSON-RPC form recomputed a different hash, breaking eth_* consumers and fork-at-genesis. Also: extDataHash is an optional RLP field of the Lux header (Pos 16, part of the hash). The genesis header has none (nil), but the marshaler unconditionally emitted a zero extDataHash, so a decoded genesis header carried a non-nil ExtDataHash and hashed differently. Bring header marshaling current with modern Ethereum: - emit withdrawalsRoot when WithdrawalsHash != nil (EIP-4895 / Shanghai) - emit extDataHash only when present (matches the canonical RLP; genesis omits it) - emit requestsHash when present (EIP-7685 / Prague), matching upstream geth Now the genesis block's JSON-RPC representation round-trips to the same hash. Verified by ethclient/simulated TestFork/TestForkResendTx, which now fork at the *client-decoded* genesis hash (workaround removed). Regenerated the affected genesis/block-0 golden files. Full suite 52/52. Co-authored-by: Hanzo Dev <[email protected]>