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Add --substreams-tier1-allow-pruned-chain flag - #296
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sduchesneau
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October 13, 2026 20:53
maoueh
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sduchesneau
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sduchesneau
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maoueh
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Adds
--substreams-tier1-allow-pruned-chain, which setsTier1Config.AllowPrunedChainfrom streamingfast/substreams#991. With it, tier1 serves modules (mappers and stores) whose initial block is below--common-first-streamable-block, and their stores resume from snapshots taken before the chain was pruned.Tier2 must run this version before the flag is set on tier1: an older tier2 ignores the setting and refuses the jobs.
go.modpoints at the head of streamingfast/substreams#991; it needs a bump once that PR is merged.