Update Engine X final proof documentation
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# DBIS Engine X Recipient Proof Runbook
**Status:** pre-deployment proof package
**Status:** executed on Ethereum Mainnet, final evidence recorded
**Scope:** Chain 138 `cUSDC` -> Ethereum Mainnet `cWUSDC` funding, Engine X maintained accounting rail, exact-output recipient deposits, ISO 20022-style evidence, and on-chain hash anchoring.
## Purpose
This runbook is the durable operator path for the DBIS Engine X proof package where `5,000,000,000 cWUSDC` is delivered to each configured recipient wallet.
The final 2026-05-07 execution delivered exactly `5,000,000,000.000000 cWUSDC` to the Meta wallet and exactly `5,000,000,000.000000 cWUSDC` to the master wallet. The final execution report is `reports/status/dbis-engine-x-final-recipient-proof-execution-20260507.md`.
The current implementation proves the Engine X internal maintained rail, not public DEX market depth. A public `cWUSDC/USDC` peg still requires separate public liquidity and quote evidence.
## Proof Boundaries
@@ -16,8 +18,8 @@ The current implementation proves the Engine X internal maintained rail, not pub
| Exact recipient output | Implemented | `DBISEngineXVirtualBatchVault.runVirtualProofExactOutTo(...)` and recipient planner |
| Engine X internal `cWUSDC ~= USDC` peg throughout batch | Implemented | Virtual batch requires equal maintained reserves before execution and leaves reserves unchanged |
| ISO 20022-style transfer evidence | Implemented | `head.001.001.03` application header + `pacs.008.001.13` credit transfer XML with DBIS supplementary proof data |
| Online proof package | Ready after publication | Timestamped plan, ISO XML, peg proof, audit envelope, and proof hashes under `reports/status/` |
| On-chain proof anchor | Ready after deployment/broadcast | `VirtualProofAuditEvidence` emits ISO/audit/peg hashes per recipient proof |
| Online proof package | Complete for 2026-05-07 execution | Timestamped plan, ISO XML, peg proof, audit envelope, and proof hashes under `reports/status/` |
| On-chain proof anchor | Complete for 2026-05-07 execution | `VirtualProofAuditEvidence` emitted ISO/audit/peg hashes per recipient proof |
| Legal/regulatory approval | Not claimed | Requires external legal, compliance, AML/KYC, sanctions, and auditor evidence |
| Public DEX peg repair | Not claimed | Requires separate public `cWUSDC/USDC` liquidity, quote, and reserve evidence |
@@ -39,6 +41,40 @@ Official ISO references used by this package:
| Proof package wrapper | `scripts/verify/build-dbis-engine-x-proof-package.sh` |
| Canary preflight and canary hash generator | `scripts/verify/preflight-dbis-engine-x-virtual-batch-canary.py` |
| Main status report | `reports/status/dbis-engine-x-5b-cwusdc-ladder-recalc-20260506.md` |
| Final execution report | `reports/status/dbis-engine-x-final-recipient-proof-execution-20260507.md` |
## Executed Mainnet Run
| Item | Value |
|---|---|
| Final execution date | `2026-05-07` |
| Virtual batch vault | `0x9a22a3e272A364D64240dE6bda796FcA421cA7E9` |
| Chain 138 bridge tx | `0x4a6c323f69d50b866eaf4e8ec62e19fcde34f8fab9d2e388834e6284a46ccc84` |
| Meta proof tx | `0xb84b06d7ac32997b14f0a23b5157d2d3f8f7972ed52151ea1d830d89df3099f2` |
| Master proof tx | `0xbfb3a7a46fba827de8cedab004cd71effbca5409a21322ff81eca9b95b777182` |
| Meta proof ID | `0x46b2bb7dd3c8e797976a1858c890326f7606584b6af7b7a6d311571192fbfbab` |
| Master proof ID | `0x2905249dc5f6301b4997d57a4f0c491230d43bb920d824824dd6005103e178b7` |
| ISO hash | `0x452ec3bd52dd5291de3bbc64325119a8e8047283f267612d90abc249364214a2` |
| Audit hash | `0x11ef49d5c522ba5960dd2bba77203a032cb6cc1aecf46028cde403aee4ff5e93` |
| Peg hash | `0x0ad30c7472668e3ecac8d00620b4b1d3bc27219a036148c500ffa124bddfb446` |
| Final Meta cWUSDC | `5,000,000,000.000000` |
| Final master cWUSDC | `5,000,000,000.000000` |
| New vault accounting pool | `85.763529 cWUSDC / 85.763529 USDC` |
| Old vault actual cWUSDC / USDC | `0 / 0` |
Durable evidence files:
- `reports/status/dbis-engine-x-vault-promotion-execution-20260507.json`
- `reports/status/dbis-engine-x-bridge-execution-20260507.json`
- `reports/status/dbis-engine-x-final-approval-execution-20260507.json`
- `reports/status/dbis-engine-x-final-recipient-execution-20260507.json`
- `reports/status/dbis-engine-x-final-readback-20260507.json`
- `reports/status/dbis-engine-x-final-gas-summary-20260507.tsv`
- `reports/status/dbis-engine-x-recipient-deposit-plan-20260507-final.json`
- `reports/status/dbis-engine-x-recipient-deposit-iso20022-20260507-final.xml`
- `reports/status/dbis-engine-x-recipient-deposit-peg-proof-20260507-final.json`
- `reports/status/dbis-engine-x-recipient-deposit-audit-envelope-20260507-final.json`
- `reports/status/dbis-engine-x-recipient-deposit-proof-hashes-20260507-final.json`
## Build The Proof Package
@@ -65,7 +101,9 @@ The wrapper emits:
## On-Chain Anchor Flow
Do not broadcast from this runbook until the deployment wallet, surplus receiver, rounding receiver, and bridge tranche are explicitly confirmed.
The 2026-05-07 Mainnet run is complete. Use this section for future reruns, not for replaying the already-used proof IDs.
Do not broadcast a future run from this runbook until the deployment wallet, surplus receiver, rounding receiver, bridge tranche, and fresh proof IDs are explicitly confirmed.
1. Run the canary preflight:
@@ -98,11 +136,9 @@ Engine X proof execution must satisfy all of these conditions:
This proves the maintained Engine X internal accounting rail. It does not prove public market price discovery or public DEX volume.
## Remaining Deployment Gates
## Remaining External Gates
- Select the surplus receiver and rounding receiver.
- Deploy and verify `DBISEngineXVirtualBatchVault`.
- Run a small canary before the full recipient path.
- Publish the timestamped proof package online.
- Anchor the proof hashes on-chain with the exact-output recipient calls.
- Attach external compliance evidence when required by jurisdiction or counterparty policy.
- Maintain public-DEX proof separation: this run does not repair or prove listing-quality public `cWUSDC/USDC` market depth.
- Attach AML/KYC, sanctions screening, legal, tax, accounting, and external auditor materials separately when required.
- For any rerun, regenerate the proof package and use fresh proof IDs; the 2026-05-07 Meta and master proof IDs are already consumed.

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# Documentation — Master Index
**Last Updated:** 2026-04-29
**Last Updated:** 2026-05-07
**Purpose:** Single entry point for all project documentation. Use this index to find canonical sources and avoid deprecated or duplicate content.
**Status:** **Live check 2026-04-29 (~10:50 UTC):** Core RPC 138 OK, **61/61** on-chain, `run-all-validation.sh --skip-genesis` OK, **E2E routing `--profile=all`** 49 domains / 0 failed, operator+Blockscout batch OK — log `logs/next-steps-complete-20260429T062049Z.log`, snapshot [reports/status/live-network-check-latest.json](../reports/status/live-network-check-latest.json). **CCIP:** Chain 138 WETH9/WETH10 bridges were topped up with +10 LINK each; a real `sendCrossChain` 0.0001 WETH proof completed Chain 138 -> Ethereum Mainnet and the destination bridge processed message `0xcbf278baaa0da8a65c2a9ce87be7a3680b8b04596a7ee933f2494399b34a13e7`. Destination-chain LINK/gas top-ups remain capital-gated. Preflight and Chain 138 next steps completed (**61/61**); 12 c* GRU-registered. **Token-aggregation:** public report API is live and publication exports are regenerated. **2026-03-06:** Contract check list expanded (PMM, vault/reserve, CompliantFiatTokens). **2026-03-04:** Celo CCIP bridges deployed; Phase AD tracked in [03-deployment/REMAINING_DEPLOYMENTS_FOR_FULL_NETWORK_COVERAGE.md](03-deployment/REMAINING_DEPLOYMENTS_FOR_FULL_NETWORK_COVERAGE.md). Phase C: [PHASE_C_CW_AND_EDGE_POOLS_RUNBOOK.md](03-deployment/PHASE_C_CW_AND_EDGE_POOLS_RUNBOOK.md); Phase D: [PHASE_D_OPTIONAL_CHECKLIST.md](03-deployment/PHASE_D_OPTIONAL_CHECKLIST.md). **On-chain verification:** DODOPMMIntegration canonical cUSDT/cUSDC — [EXPLORER_TOKEN_LIST_CROSSCHECK](11-references/EXPLORER_TOKEN_LIST_CROSSCHECK.md) §8. **Remaining:** B.1/B.2 gas (CRO/WEMIX plus low BSC/Optimism/Arbitrum/Base gas), destination-chain LINK, external listings, Phase C/D optional — see [00-meta/TODOS_CONSOLIDATED.md](00-meta/TODOS_CONSOLIDATED.md) and [00-meta/NEXT_STEPS_INDEX.md](00-meta/NEXT_STEPS_INDEX.md).
@@ -37,7 +37,7 @@
| **Source to CEX production readiness** | [03-deployment/SOURCE_TO_CEX_PRODUCTION_READINESS.md](03-deployment/SOURCE_TO_CEX_PRODUCTION_READINESS.md) — repo-native readiness gate for immediate production |
| **Immediate live production task list: source to CEX** | [03-deployment/IMMEDIATE_LIVE_PRODUCTION_TASK_LIST_SOURCE_TO_CEX.md](03-deployment/IMMEDIATE_LIVE_PRODUCTION_TASK_LIST_SOURCE_TO_CEX.md) — task list with remaining live blockers called out |
| **ALL Mainnet protocol completion** | [03-deployment/ALL_MAINNET_PROTOCOL_COMPLETION_RUNBOOK.md](03-deployment/ALL_MAINNET_PROTOCOL_COMPLETION_RUNBOOK.md) — required inventory pools, funding/canary gates, auto-rebalancing path, and protocol enablement order for DODO, Uniswap, Balancer, Curve, Sushi, 1inch, and Aave |
| **DBIS Engine X recipient proof package** | [03-deployment/DBIS_ENGINE_X_RECIPIENT_PROOF_RUNBOOK.md](03-deployment/DBIS_ENGINE_X_RECIPIENT_PROOF_RUNBOOK.md) — 5B-each `cWUSDC` recipient proof path, virtual-batch vault, ISO 20022-style evidence, audit envelope, and on-chain hash-anchor flow |
| **DBIS Engine X recipient proof package** | [03-deployment/DBIS_ENGINE_X_RECIPIENT_PROOF_RUNBOOK.md](03-deployment/DBIS_ENGINE_X_RECIPIENT_PROOF_RUNBOOK.md) — executed 2026-05-07 5B-each `cWUSDC` recipient proof path, virtual-batch vault, ISO 20022-style evidence, audit envelope, and on-chain hash-anchor flow; final report: [../reports/status/dbis-engine-x-final-recipient-proof-execution-20260507.md](../reports/status/dbis-engine-x-final-recipient-proof-execution-20260507.md) |
| **External dependency blockers** | [03-deployment/EXTERNAL_DEPENDENCY_BLOCKERS.md](03-deployment/EXTERNAL_DEPENDENCY_BLOCKERS.md) — explicit list of items that cannot be closed by repo-only changes, with readiness checks and env knobs |
| **Crypto.com OTC before vs after matrix** | [03-deployment/CRYPTO_COM_OTC_BEFORE_AFTER_OPERATOR_MATRIX.md](03-deployment/CRYPTO_COM_OTC_BEFORE_AFTER_OPERATOR_MATRIX.md) — strict operator comparison of the current ecosystem versus the state after a real Crypto.com OTC sink is connected |
| **Provider-facing source to CEX package** | [03-deployment/PROVIDER_FACING_PACKAGE_SOURCE_TO_CEX.md](03-deployment/PROVIDER_FACING_PACKAGE_SOURCE_TO_CEX.md) — strict provider-facing package covering expectations, flow presentation, questions, and a first 30-day ramp plan |

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@@ -118,3 +118,15 @@ Chain 138 cUSDC after bridge: 1,022,357,750.583606
## Claim Boundary
This proves the Engine X virtual-batch exact-output and internal maintained-peg canary on Ethereum Mainnet. It does not prove public DEX peg repair, public market depth, AML/KYC clearance, sanctions screening, external audit approval, or regulator approval.
## Continuation
The canary was promoted into the final Engine X recipient proof run on `2026-05-07`.
- Final execution report: `reports/status/dbis-engine-x-final-recipient-proof-execution-20260507.md`
- Final Meta proof tx: `0xb84b06d7ac32997b14f0a23b5157d2d3f8f7972ed52151ea1d830d89df3099f2`
- Final master proof tx: `0xbfb3a7a46fba827de8cedab004cd71effbca5409a21322ff81eca9b95b777182`
- Final Meta cWUSDC: `5,000,000,000.000000`
- Final master cWUSDC: `5,000,000,000.000000`
The same claim boundary remains: this is Engine X internal accounting and exact-output evidence, not a public DEX peg/depth proof or regulatory approval.