Support multiple relayer instances

hyperlane-xyz / hyperlane-monorepo

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Support multiple relayer instances #3634

Open daniel-savu opened 5 months ago

daniel-savu commented 5 months ago

Involves sharding delivery by message ID modulo. More specifically:

Add support for message_id, defined by regex in the matching list: https://github.com/hyperlane-xyz/hyperlane-monorepo/blob/a91677a3daa7c0c1c9c191515910f40290fbf036/rust/agents/relayer/src/settings/matching_list.rs#L225
Run N relayer binaries, each defined with its own "shard" of the message ID domain

yorhodes commented 5 months ago

Involves sharding delivery by message ID modulo

interesting, how do you ensure non-overlapping shards? also imo using nonce would be more intuitive

daniel-savu commented 5 months ago

well with modulo, the shards are by definition non-overlapping (e.g. with two relayers, one delivering "odd" message ids, one delivering "even" message ids - so modulo 2). Nonce would be great as well! This was just a half-baked idea that @nambrot had