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Co-authored-by: Cursor <cursoragent@cursor.com>
1.3 KiB
1.3 KiB
Cross-Chain Finality and Validation (Tezos / Etherlink)
Finality rules for 138, Etherlink, and ALL Mainnet in DON and relay configs.
Finality by chain
| Chain | Finality rule | Use in DON / relay |
|---|---|---|
| ChainID 138 | QBFT; ~1 confirmation | Commit DON: 1 block finality |
| Ethereum | 12+ blocks | Execute DON: wait 12 blocks after commit |
| ALL Mainnet | 12 blocks (default) | Relay: 12 confirmations |
| Etherlink | TBD (e.g. 12) | Placeholder: Set confirmation blocks in relay/DON config when decided; document here. See TEZOS_CCIP_REMAINING_ITEMS.md §2. |
Validation
- Commit DON: Observes source chain (138 or other) for finalized blocks; builds Merkle tree of messages; submits commit report. Use finality rule per source chain.
- Execute DON: Waits for commit; verifies Merkle proof; submits execution on destination. Only execute after commit finality.
- Custom relay: Wait for source chain confirmations (per table above) before submitting on destination; ensure idempotency (messageId / tx hash).
Tests
- Confirm finality values in DON and relay configs; run tests that send a message and verify execution only after expected confirmations.