Bump reth to base-v2.5.2.3-fh3.1-1 - #27
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Brings the 256-byte cap on keccak preimages.
maoueh
approved these changes
Sep 17, 2026
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streamingfast/rethatbase-v2.5.2.3-fh3.1-1(streamingfast/reth#40, merge commita44598533b) and opens thev1.3.2-fh3.1-1changelog section.The only change it brings is the 256-byte cap on keccak preimages. Values in
Call.keccak_preimagescould reach 65536 bytes each (131072 hex characters). The map is there so a consumer can walk a storage slot back to the expression that produced it, and Solidity's slot derivations are small: 32 bytes for a dynamic array or abytes/stringlonger than 31 bytes, 64 bytes for a mapping with a value-type key, and 32 bytes plus the key for amapping(string => V). 256 bytes covers all of those with 224 bytes of room for a dynamic key. Oversized preimages are dropped rather than truncated, since a truncated preimage no longer hashes back to its map key.No source change is needed here — the cap lives in the reth fork's
crates/firehose/src/inspector.rs. The replay fixtureblock.49663794.jsonholds one 64-byte preimage, under the cap, so it does not need regenerating.The tag
base-v2.5.2.3-fh3.1-1does not exist yet.Cargo.tomlandCargo.lockwere updated by hand: the tag string and the locked rev (eb0f60e8e7→a44598533b) were substituted across all 70Cargo.tomland 106Cargo.lockentries. The reth commit touches noCargo.toml, so the dependency graph is unchanged and nothing else in the lock moves. CI will confirm once the tag is pushed.