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chore: fixed dead links in repo (#17694)

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Cypher Pepe
2025-08-12 18:38:02 +03:00
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docs/design/database.md
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@@ -12,7 +12,7 @@
- This allows for [out-of-the-box benchmarking](https://github.com/paradigmxyz/reth/blob/main/crates/storage/db/benches/criterion.rs) (using [Criterion](https://github.com/bheisler/criterion.rs))
- It also enables [out-of-the-box fuzzing](https://github.com/paradigmxyz/reth/blob/main/crates/storage/db-api/src/tables/codecs/fuzz/mod.rs) using [trailofbits/test-fuzz](https://github.com/trailofbits/test-fuzz).
- We implemented that trait for the following encoding formats:
- [Ethereum-specific Compact Encoding](https://github.com/paradigmxyz/reth/blob/0d9b9a392d4196793736522f3fc2ac804991b45d/crates/codecs/derive/src/compact/mod.rs): A lot of Ethereum datatypes have unnecessary zeros when serialized, or optional (e.g. on empty hashes) which would be nice not to pay in storage costs.
- [Ethereum-specific Compact Encoding](https://github.com/paradigmxyz/reth/blob/main/crates/storage/codecs/derive/src/compact/mod.rs): A lot of Ethereum datatypes have unnecessary zeros when serialized, or optional (e.g. on empty hashes) which would be nice not to pay in storage costs.
- [Erigon](https://github.com/ledgerwatch/erigon/blob/12ee33a492f5d240458822d052820d9998653a63/docs/programmers_guide/db_walkthrough.MD) achieves that by having a `bitfield` set on Table "PlainState which adds a bitfield to Accounts.
- [Akula](https://github.com/akula-bft/akula/) expanded it for other tables and datatypes manually. It also saved some more space by storing the length of certain types (U256, u64) using the [`modular_bitfield`](https://docs.rs/modular-bitfield/latest/modular_bitfield/) crate, which compacts this information.
- We generalized it for all types, by writing a derive macro that autogenerates code for implementing the trait. It, also generates the interfaces required for fuzzing using ToB/test-fuzz: