docs: multi-chain deployment patterns — Mainnet/Gnosis/Arbitrum/Base#310
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lgahdl wants to merge 2 commits into
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docs: multi-chain deployment patterns — Mainnet/Gnosis/Arbitrum/Base#310lgahdl wants to merge 2 commits into
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…124) New docs/deployment/multi-chain.md covering the verbatim M5 grant deliverable: per-chain [chains.<id>] + env-var wiring, CoW orderbook URL slugs per network, per-chain contract addresses (CREATE2-stable vs EthFlow per-network caveat), the [[subscription]] duplication pattern with twap-monitor and ethflow-watcher examples, event topic reference, and resource sizing guidance. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TfSsJPYDQ1GQGbnSVFxATx
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Following up on the Wonder if this line could mislead operators who only have an HTTP endpoint available. Maybe it could be reworded to something like "WebSocket gives lower-latency streaming, but HTTP works for both block and log subscriptions via polling." |
jean-neiverth
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Jul 10, 2026
…ents Review catches: - The EthFlow section claimed the address is per-network and told operators to hunt for a different mainnet address. The current production deployment is address-identical on every supported chain (cowprotocol's ETH_FLOW_PRODUCTION, from networks.prod.json) - the old text would have steered a mainnet port toward the legacy v1.0.0 deployment and missed every OrderPlacement event. The real caveat is narrower and now stated as such: sameness is not a CREATE2 guarantee, legacy per-version deployments exist, verify on version bumps. - "every chain the orderbook supports" was false (the Chain enum also carries BNB, Polygon, Avalanche, Linea, Plasma); the table is scoped to the chains this repo's modules target. - Dropped the unsupported "Gnosis volume roughly equal to Mainnet" claim; require_ws violations are an ERROR log, not a warning; the RPC recommendation names a rate requirement instead of a specific provider's free tier. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TfSsJPYDQ1GQGbnSVFxATx
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Closes #124
Verbatim M5 grant deliverable: adds
docs/deployment/multi-chain.md.What's covered
engine.tomlwiring —[chains.<id>]blocks,${VAR}env-var substitution,require_ws = falseopt-out for poll-only chains[extensions.cow.orderbook_urls]override pattern for staging/mockscowprotocol/ethflowcontractnetworks.prod.json[[subscription]]duplication pattern — annotatedtwap-monitorandethflow-watcherexamples spanning two chains eachSource verification
All contract addresses, orderbook slugs, and barn eligibility are derived directly from
cowprotocol-primitives-0.1.0(already a workspace dependency) and the existingmodule.tomlmanifests — no manual lookup.🤖 Generated with Claude Code
https://claude.ai/code/session_01TfSsJPYDQ1GQGbnSVFxATx