feat: support multiple flashblock websockets as fallback#202
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limyeechern wants to merge 4 commits intosync-developfrom
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feat: support multiple flashblock websockets as fallback#202limyeechern wants to merge 4 commits intosync-developfrom
limyeechern wants to merge 4 commits intosync-developfrom
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limyeechern
commented
Feb 27, 2026
| use tracing::warn; | ||
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| /// Backoff duration applied per-source when a stream error occurs. | ||
| const PER_SOURCE_BACKOFF: Duration = Duration::from_millis(500); |
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i was wondering if we should implement exponential backoff instead, but i'm not too sure which is better
sieniven
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Mar 12, 2026
sieniven
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Nice work. Closing this PR because we will re-open this fixes and cherry-pick them to xlayer-reth directly, once new flashblocks RPC revamp layer is completed.
PR ref: okx/xlayer-reth#176
We no longer need to add this on the op-reth crates anymore since we are revamping the entire flashblocks RPC layer. Note that the new configurable flashblocks websocket url will be xlayer.flashblocks-url
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Summary
MultiSourceFlashBlockStreamthat wraps multiple WebSocket flashblock streams with deduplication,cross-validation, and per-source error backoff
--flashblocks-urlto--flashblocks-urlsto accept multiple comma-separated URLs for redundancy(payload_id, index)wins; duplicates are dropped with hash cross-validation