48 lines
1.9 KiB
HTML
48 lines
1.9 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width">
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<title>GRANDPA Finality Relay</title>
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</head>
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<body>
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<h1>GRANDPA Finality Relay</h1>
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<p>
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Source Chain is running GRANDPA Finality Gadget. Bridge GRANDPA finality pallet is deployed at
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Target Chain runtime. Relayer is configured to relay Source Chain finality to Target Chain.
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</p>
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<div class="mermaid">
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sequenceDiagram
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participant Source Chain
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participant Relayer
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participant Target Chain
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Note left of Source Chain: Best: 500, Finalized: 480, Authorities Set Index: 42
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Note right of Target Chain: Uninitialized
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Source Chain ->> Relayer: Read Initialization Data
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Relayer ->> Target Chain: Initialize Bridge GRANDPA Finality Pallet
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Note right of Target Chain: Finalized: 480, Authorities Set Index: 42
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Source Chain ->> Source Chain: Import Block 501
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Source Chain ->> Source Chain: Import Block 502
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Source Chain ->> Source Chain: Finalize Block 495
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Source Chain ->> Relayer: Read Finality Proof of Block 495
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Relayer ->> Target Chain: Finality Proof of Block 495
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Note right of Target Chain: Finalized: 495, Authorities Set Index: 42
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Source Chain ->> Source Chain: Import Block 503 that changes Authorities Set to 43
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Source Chain ->> Source Chain: Finalize Block 500
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Note left of Relayer: Relayer Misses Finality Notification for Block 500
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Source Chain ->> Source Chain: Import Block 504
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Source Chain ->> Source Chain: Finalize Mandatory Block 503
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Source Chain ->> Source Chain: Finalize Block 504
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Source Chain ->> Relayer: Read Finality Proof of Mandatory Block 503
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Relayer ->> Target Chain: Finality Proof of Block 503
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Note right of Target Chain: Finalized: 503, Authorities Set Index: 43
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</div>
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<script src="https://cdn.jsdelivr.net/npm/mermaid@8.8.4/dist/mermaid.min.js"></script>
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<script>mermaid.initialize({startOnLoad: true})</script>
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</body>
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</html>
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