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stop calling engine_exchangeTransitionConfigurationV1 with Dencun-ready ELs #5585

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Nov 11, 2023
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stop calling engine_exchangeTransitionConfigurationV1 with Dencun-ready ELs #5585

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5 changes: 5 additions & 0 deletions beacon_chain/el/el_manager.nim
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Original file line number Diff line number Diff line change
Expand Up @@ -1400,6 +1400,11 @@ proc exchangeConfigWithSingleEL(m: ELManager, connection: ELConnection) {.async.

connection.etcStatus = EtcStatus.match

# https://github.com/ethereum/execution-apis/blob/c4089414bbbe975bbc4bf1ccf0a3d31f76feb3e1/src/engine/cancun.md#deprecate-engine_exchangetransitionconfigurationv1
# Consensus layer clients MUST NOT call this method.
if m.eth1Chain.cfg.DENEB_FORK_EPOCH != FAR_FUTURE_EPOCH:
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Isn't the spec saying that the ELs should stop reporting an error message about this once the Cancun fork epoch is reached? The check here is doing something different.

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I asked about this recently in an Eth R&D Discord thread in the #json-rpc-api channel:
when_stop_etc

return

# https://github.com/ethereum/execution-apis/blob/v1.0.0-beta.3/src/engine/paris.md#engine_exchangetransitionconfigurationv1
let
ourConf = TransitionConfigurationV1(
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