IBC Relayer AVAX L1 Proof
How IBC gets the state proof from AVAX mainnet
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How IBC gets the state proof from AVAX mainnet
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The sequence diagram describes an Inter-Blockchain Communication (IBC) relayer retrieving Avalanche L1 proof.
The process involves multiple participants: the relayer, L1 Node 1 through Node N, and L1 Validator 1 through Validator N.
The relayer first queries proof by key from L1 Node 1. Node 1 attempts to get the payload by key, and if the signature is already in its internal cache, it retrieves it. If the signature is not cached, it makes a call through the Virtual Machine (VM) context to Validator 1 to sign the payload. After Validator 1 returns the signature, Node 1 forwards it back to the relayer.
A similar process occurs with L1 Node 2 and its corresponding Validator. However, in this case, it's noted that the signature is not cached and needs to be signed by the Validator through the VM context.
The process repeats for all remaining nodes (represented as Node N) and their corresponding Validators (Validator N).
After collecting all signatures from the different L1 Nodes, the relayer then composes these signatures from Node 1, up to Node N.