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Remove bridges subtree

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Serban Iorga
2024-04-09 16:02:09 +03:00
committed by Bastian Köcher
parent d38f6e6728
commit 9a3e2c8c5a
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bridges/docs/messages-relay.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Messages Relay</title>
</head>
<body>
<h1>Messages Relay</h1>
<p>
Both Source Chain and Target Chains have Bridge Messages pallets deployed. They also have required
finality pallets deployed - we don't care about finality type here - they can be either Bridge GRANDPA,
or Bridge Parachains finality pallets, or any combination of those.
</p>
<p>
Finality Relayer represents two actual relayers - one relays Source Chain Finality to Target Chain.
And another one relays Target Chain Finality to Source Chain.
</p>
<div class="mermaid">
sequenceDiagram
participant Source Chain
participant Finality Relayer
participant Messages Relayer
participant Target Chain
Note right of Source Chain: Finalized: 480, Target Finalized: 50, Sent Messages: 42, Confirmed Messages: 42
Note left of Target Chain: Finalized: 60, Source Finalized: 420, Received Messages: 42
Source Chain ->> Source Chain: someone Sends Message 43
Source Chain ->> Source Chain: Import and Finalize Block 481
Source Chain ->> Messages Relayer: notes new outbound message 43 at Source Chain Block 481
Note right of Messages Relayer: can't deliver message 43, Source Chain Block 481 is not relayed
Source Chain ->> Finality Relayer: Read Finality Proof of Block 481
Finality Relayer ->> Target Chain: Submit Finality Proof of Block 481
Target Chain ->> Target Chain: Import and Finalize Block 61
Note left of Target Chain: Finalized: 61, Source Finalized: 481, Received Messages: 42
Source Chain ->> Messages Relayer: Read Proof of Message 43 at Block 481
Messages Relayer ->> Target Chain: Submit Proof of Message 43 at Block 481
Target Chain ->> Target Chain: Import and Finalize Block 62
Note left of Target Chain: Finalized: 62, Source Finalized: 481, Received Messages: { rewarded: 42, messages-relayer-account: [43] }
Target Chain ->> Messages Relayer: notes new unrewarded relayer at Target Chain Block 62
Note right of Messages Relayer: can't relay delivery confirmations because Target Chain Block 62 is not relayed
Target Chain ->> Finality Relayer: Read Finality Proof of Block 62
Finality Relayer ->> Source Chain: Submit Finality Proof of Block 62
Source Chain ->> Source Chain: Import and Finalize Block 482
Note right of Source Chain: Finalized: 482, Target Finalized: 62, Confirmed Messages: 42
Target Chain ->> Messages Relayer: Read Proof of Message 43 Delivery at Block 62
Messages Relayer ->> Source Chain: Submit Proof of Message 43 Delivery at Block 612
Source Chain ->> Source Chain: rewards messages-relayer-account for delivering message [43]
Source Chain ->> Source Chain: prune delivered message 43 from runtime storage
Note right of Source Chain: Finalized: 482, Target Finalized: 61, Confirmed Messages: 43
Source Chain ->> Source Chain: someone Sends Message 44
Source Chain ->> Source Chain: Import and Finalize Block 483
Source Chain ->> Messages Relayer: notes new outbound message 44 at Source Chain Block 483 and new confirmed message 43
Note right of Messages Relayer: can't deliver message 44, Source Chain Block 483 is not relayed
Source Chain ->> Finality Relayer: Read Finality Proof of Block 483
Finality Relayer ->> Target Chain: Submit Finality Proof of Block 483
Target Chain ->> Target Chain: Import and Finalize Block 63
Note left of Target Chain: Finalized: 63, Source Finalized: 483, Received Messages: { rewarded: 42, messages-relayer-account: [43] }
Source Chain ->> Messages Relayer: Read Proof of Message 44 and Proof of Message 43 reward at Block 483
Messages Relayer ->> Target Chain: Submit Proof of Message 44 and Proof of Message 43 reward at Block 483
Target Chain ->> Target Chain: Import and Finalize Block 64
Note left of Target Chain: Finalized: 64, Source Finalized: 483, Received Messages: { rewarded: 43, messages-relayer-account: [44] }
</div>
<script src="https://cdn.jsdelivr.net/npm/mermaid@8.8.4/dist/mermaid.min.js"></script>
<script>mermaid.initialize({startOnLoad: true})</script>
</body>
</html>