Chris Hager

Increased the rate-limit to 30 blocks / minute.

In addition to our Goerli relay, **we've now also opened block submissions on our [Sepolia relay](https://builder-relay-sepolia.flashbots.net/)** (where our relay delivers about 1 in 5 blocks). **Sepolia relay block submission endpoints:**...

The Flashbots mainnet relay will also allow external builder submissions from the get-go (the merge), in the same way as our testnet relays.

**Mainnet relay block submission endpoints:** - `getValidators`: [https://boost-relay.flashbots.net/relay/v1/builder/validators](https://boost-relay.flashbots.net/relay/v1/builder/validators) (GET) - array of proposer preferences for registered validators with assigned duties in the current and next epoch - `submitBlock`: [https://boost-relay.flashbots.net/relay/v1/builder/blocks](https://boost-relay.flashbots.net/relay/v1/builder/blocks) (POST)

Closing this issue, further discussions about running a builder happen in https://collective.flashbots.net/c/builders/14

This looks great! 👍 Left a few minor comments, and needs a rebase. I think we might move the logic into it's own directory, like `/proposerconfig`, to keep things cleanly...

Started some simplifications here: https://github.com/flashbots/mev-boost/commit/00c4f8ad9df5121715bbd600fb7de490e8ba4565 A test fails and carrying the proposer pubkey into getPayload has an issue, but that's the general direction i'd like to move. Trying to simplify...

After consulting with @0xpanoramix we're closing this for now, and may revisit this feature again later on.

This feature adds extensive complexity around the choice of relays, and is impacting the getPayload calls significantly. To get this feature over the line, a first step would be to...

Here's a rough diagram outlining the setup ([src](https://excalidraw.com/#json=9mCW7NA-VavuK3A2Ie9y7,6N2PLElfNNigITQSclQcgA)):