update docs for mev-boost-rs

book/SUMMARY.md

@@ -1,4 +1,5 @@
 # Summary
 
 - [intro](./introduction.md)
+- [mev-boost-rs](./mev-boost-rs.md)
 - [mev-build-rs](./mev-build-rs.md)

book/mev-boost-rs.md

@@ -0,0 +1,35 @@
+# `mev-boost-rs`
+
+This repository provides a "boost" implementation that serves the [`builder-specs` APIs]
+connecting validators to an external block builder network.
+
+> Warning: this software is extremely experimental. You should not use in any production capacity.
+
+## Installation
+
+### Build from source
+
+The best way right now to use this right now is to build from source.
+
+## Run `mev-boost-rs`
+
+You'll need to put some configuration into a config file like `example.config.toml` found
+at the root of this directory.
+
+For example, this configuration
+
+```toml
+[boost]
+host = "0.0.0.0"
+port = 18550
+relays = [
+    "https://0x845bd072b7cd566f02faeb0a4033ce9399e42839ced64e8b2adcfc859ed1e8e1a5a293336a49feac6d9a5edb779be53a@boost-relay-sepolia.flashbots.net",
+]
+```
+
+instructs `mev-boost-rs` to run on localhost on port `18550` and only use the Flashbots relay running on the `sepolia` testnet.
+
+Then, to run for `sepolia`:
+```bash
+mev --network sepolia boost example.config.toml
+```

example.config.toml

@@ -1,7 +1,9 @@
 [boost]
 host = "0.0.0.0"
 port = 18550
-relays = ["http://127.0.0.1:28545"]
+relays = [
+    "https://0x845bd072b7cd566f02faeb0a4033ce9399e42839ced64e8b2adcfc859ed1e8e1a5a293336a49feac6d9a5edb779be53a@boost-relay-sepolia.flashbots.net",
+]
 
 [relay]
 host = "0.0.0.0"