feat(types): add BloxrouteBackrunConfig on Message#209
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Add BloxrouteBackrunConfig (the per-tx BackRunMe profit split) as a typed field on Message, mirroring FlashbotMevshareEvent, plus ParseBloxrouteBackrunConfig (the 5-element arbOnlyMEV array parser) + Validate + BlxrSplit. mempool-explorer parses the stream array once and attaches it here, so consumers read Message.BloxrouteBackrunConfig directly (nil when absent) instead of re-unmarshalling raw event bytes. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
bloxroute's submit_arb_only_bundle requires coinbase_profit (the wei paid to the BackRunMe contract). Add a coinbaseProfit *big.Int param to IBackrunSender.SendBackrunBundle; the BloxrouteBackrunmeSender sets it on the request params (JSON number, omitempty), the other senders ignore it. Test call sites pass nil. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
thanhpp
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Jun 16, 2026
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What
Adds
BloxrouteBackrunConfig(the per-tx BackRunMe profit-split config) as a typed field onMessage, plus the array parser + validators:Message.BloxrouteBackrunConfig *BloxrouteBackrunConfig(json:"bloxroute_backrun_config,omitempty") — mirrorsFlashbotMevshareEvent, set only for bloxroute arbOnlyMEV txs, nil otherwiseBloxrouteBackrunConfig{ContractSplit, TargetRewardAddress, TargetSplit, BlxrRewardAddress, SearcherSplit}ParseBloxrouteBackrunConfig([]string)— the 5-element arbOnlyMEV array parser[contractSplit, targetRewardAddress, targetSplit, blxrRewardAddress, searcherSplit]Validate()(splits non-negative, sum ≤ 100, valid non-zero reward addresses) +BlxrSplit()(100 - contract - target - searcher)Why
bloxroute's arbOnlyMEV stream carries a per-tx
backrunConfig. Today mempool-explorer parses it but drops it (it never reachesMessage), so reserve-taker re-unmarshals the raw event bytes with array/object + camel/snake switch cases to recover it — effectively dead code, since the producer never writes the field.Putting the typed config on
Messagelets mempool-explorer parse the stream array once and attach it, and lets consumers (reserve-taker) readMessage.BloxrouteBackrunConfigdirectly (nil if absent) — no defensive re-parsing.Consumers: mempool-explorer (parses + sets), reserve-taker (reads) — separate PRs pinning this commit.
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