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Switch default slasher backend to LMDB (#4360)

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## Issue Addressed

Closes #4354
Closes #3987

Replaces #4305, #4283

## Proposed Changes

This switches the default slasher backend _back_ to LMDB.

If an MDBX database exists and the MDBX backend is enabled then MDBX will continue to be used. Our release binaries and Docker images will continue to include MDBX for as long as it is practical, so users of these should not notice any difference.

The main benefit is to users compiling from source and devs running tests. These users no longer have to struggle to compile MDBX and deal with the compatibility issues that arises. Similarly, devs don't need to worry about toggling feature flags in tests or risk forgetting to run the slasher tests due to backend issues.
This commit is contained in:
Michael Sproul
2023-06-07 01:50:33 +00:00
parent b14d1493cc
commit 299cfe1fe6
15 changed files with 184 additions and 35 deletions
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12
book/src/installation-source.md
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@@ -5,7 +5,7 @@ the instructions below, and then proceed to [Building Lighthouse](#build-lightho
## Dependencies
First, **install Rust** using [rustup](https://rustup.rs/)：
First, **install Rust** using [rustup](https://rustup.rs/)：
```bash
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
@@ -64,10 +64,10 @@ After this, you are ready to [build Lighthouse](#build-lighthouse).
1. Install [Git](https://git-scm.com/download/win).
1. Install the [Chocolatey](https://chocolatey.org/install) package manager for Windows.
> Tips:
> Tips:
> - Use PowerShell to install. In Windows, search for PowerShell and run as administrator.
> - You must ensure `Get-ExecutionPolicy` is not Restricted. To test this, run `Get-ExecutionPolicy` in PowerShell. If it returns `restricted`, then run `Set-ExecutionPolicy AllSigned`, and then run
```bash
```bash
Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))
```
> - To verify that Chocolatey is ready, run `choco` and it should return the version.
@@ -159,13 +159,13 @@ Commonly used features include:
* `gnosis`: support for the Gnosis Beacon Chain.
* `portable`: support for legacy hardware.
* `modern`: support for exclusively modern hardware.
* `slasher-mdbx`: support for the MDBX slasher backend. Enabled by default.
* `slasher-lmdb`: support for the LMDB slasher backend.
* `slasher-lmdb`: support for the LMDB slasher backend. Enabled by default.
* `slasher-mdbx`: support for the MDBX slasher backend.
* `jemalloc`: use [`jemalloc`][jemalloc] to allocate memory. Enabled by default on Linux and macOS.
Not supported on Windows.
* `spec-minimal`: support for the minimal preset (useful for testing).
Default features (e.g. `slasher-mdbx`) may be opted out of using the `--no-default-features`
Default features (e.g. `slasher-lmdb`) may be opted out of using the `--no-default-features`
argument for `cargo`, which can be plumbed in via the `CARGO_INSTALL_EXTRA_FLAGS` environment variable.
E.g.