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Optimise slasher DB layout and switch to MDBX (#2776)

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## Issue Addressed

Closes #2286
Closes #2538
Closes #2342

## Proposed Changes

Part II of major slasher optimisations after #2767

These changes will be backwards-incompatible due to the move to MDBX (and the schema change) 😱 

* [x] Shrink attester keys from 16 bytes to 7 bytes.
* [x] Shrink attester records from 64 bytes to 6 bytes.
* [x] Separate `DiskConfig` from regular `Config`.
* [x] Add configuration for the LRU cache size.
* [x] Add a "migration" that deletes any legacy LMDB database.
This commit is contained in:
Michael Sproul
2021-12-21 08:23:17 +00:00
parent a290a3c537
commit 3b61ac9cbf
26 changed files with 963 additions and 566 deletions
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11
Cross.toml
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@@ -2,3 +2,14 @@
passthrough = [
"RUSTFLAGS",
]
# These custom images are required to work around the lack of Clang in the default `cross` images.
# We need Clang to run `bindgen` for MDBX, and the `BINDGEN_EXTRA_CLANG_ARGS` flags must also be set
# while cross-compiling for ARM to prevent bindgen from attempting to include headers from the host.
#
# For more information see https://github.com/rust-embedded/cross/pull/608
[target.x86_64-unknown-linux-gnu]
image = "michaelsproul/cross-clang:x86_64-latest"
[target.aarch64-unknown-linux-gnu]
image = "michaelsproul/cross-clang:aarch64-latest"