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kip-249: sync AuctionTx with the v3.0 AuctionEntryPoint - #128

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hyunsooda:kip-249-sync-v3-auction
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kip-249: sync AuctionTx with the v3.0 AuctionEntryPoint#128
hyunsooda wants to merge 1 commit into
kaiachain:mainfrom
hyunsooda:kip-249-sync-v3-auction

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Syncs KIP-249 with the deployed v3.0 AuctionEntryPoint.

  • maxGasPrice (spec was stale): add the searcher-signed maxGasPrice field to the typehash, EIP-712 types, AuctionTx struct, and BidDetails; bump the domain version to 0.0.2; add the effectiveGasPrice <= maxGasPrice check to the proposer and auctioneer verification.
  • callGasLimit: call() reverts before the backrun if less than callGasLimit gas remains, so a searcher is charged only when the backrun receives the signed gas.

Add the searcher-signed maxGasPrice field (typehash, EIP-712 types, struct,
domain version 0.0.2) and its effective-gas-price ceiling check, and note that
call() reverts before the backrun if less than callGasLimit gas remains.
@hyunsooda hyunsooda self-assigned this Jul 24, 2026
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