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proxmox/docs/07-ccip/TEZOS_CROSS_CHAIN_FINALITY.md

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docs: Ledger Live integration, contract deploy learnings, NEXT_STEPS updates - ADD_CHAIN138_TO_LEDGER_LIVE: Ledger form done; public code review repo bis-innovations/LedgerLive; init/push commands - CONTRACT_DEPLOYMENT_RUNBOOK: Chain 138 gas price 1 gwei, 36-addr check, TransactionMirror workaround - CONTRACT_*: AddressMapper, MirrorManager deployed 2026-02-12; 36-address on-chain check - NEXT_STEPS_FOR_YOU: Ledger done; steps completable now (no LAN); run-completable-tasks-from-anywhere - MASTER_INDEX, OPERATOR_OPTIONAL, SMART_CONTRACTS_INVENTORY_SIMPLE: updates - LEDGER_BLOCKCHAIN_INTEGRATION_COMPLETE: bis-innovations/LedgerLive reference Co-authored-by: Cursor <cursoragent@cursor.com>
2026-02-12 15:46:57 -08:00
# 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 |
Sync all local changes: docs, config, scripts, submodule refs, verification evidence Co-authored-by: Cursor <cursoragent@cursor.com>
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| Etherlink | TBD (e.g. 12) | **Placeholder:** Set confirmation blocks in relay/DON config when decided; document here. See [TEZOS_CCIP_REMAINING_ITEMS.md](TEZOS_CCIP_REMAINING_ITEMS.md) §2. |
docs: Ledger Live integration, contract deploy learnings, NEXT_STEPS updates - ADD_CHAIN138_TO_LEDGER_LIVE: Ledger form done; public code review repo bis-innovations/LedgerLive; init/push commands - CONTRACT_DEPLOYMENT_RUNBOOK: Chain 138 gas price 1 gwei, 36-addr check, TransactionMirror workaround - CONTRACT_*: AddressMapper, MirrorManager deployed 2026-02-12; 36-address on-chain check - NEXT_STEPS_FOR_YOU: Ledger done; steps completable now (no LAN); run-completable-tasks-from-anywhere - MASTER_INDEX, OPERATOR_OPTIONAL, SMART_CONTRACTS_INVENTORY_SIMPLE: updates - LEDGER_BLOCKCHAIN_INTEGRATION_COMPLETE: bis-innovations/LedgerLive reference Co-authored-by: Cursor <cursoragent@cursor.com>
2026-02-12 15:46:57 -08:00
## 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.
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