Record Engine X Protocolink canary execution

2026-05-07 07:27:34 -07:00
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+# Protocolink Engine X Adjustment And Canary Execution
+
+Date: 2026-05-07
+
+## Summary
+
+Protocolink was used to adjust the deployer wallet from the available XAUt balance so the Engine X virtual-batch canary could be deployed and executed without external funding.
+
+The adjustment route used Protocolink `uniswap-v3` logics:
+
+```text
+0.004000 XAUt -> ETH
+0.000500 XAUt -> USDC
+```
+
+The Engine X virtual-batch vault was then deployed, verified, seeded with a tiny maintained rail, and used for one exact-output canary proof with ISO/audit/peg hashes anchored on-chain.
+
+## Protocolink Adjustment
+
+| Step | Transaction |
+|---|---|
+| XAUt exact approval to Permit2 | `0x1e3404365c10a374cea3d9ebdf661729837f7629205c4a5965b89303bcc43599` |
+| Permit2 exact approval to Protocolink agent | `0x3096c1bcd4bb6f995e3b7ab0e7137777944b51bda511c652b893b907d1e2a6c8` |
+| Protocolink router swap | `0x2666a010a9e77fd9fb5ed7ea95a2b31b2eb6234a2f06c52603a27519a5d6e1a7` |
+
+Quoted adjustment outputs at build time:
+
+```text
+ETH out:  0.008192161610808983
+USDC out: 2.363755
+```
+
+The Protocolink router transaction used `0xDec80E988F4baF43be69c13711453013c212feA8` and consumed the exact `0.0045 XAUt` route budget.
+
+## Virtual Batch Vault
+
+```text
+DBISEngineXVirtualBatchVault: 0x9a22a3e272A364D64240dE6bda796FcA421cA7E9
+deploy tx:                    0x8e2e78a0b36d1cadad7e6d3ecbfb9cca68331b78410d9b58e29fb75b8a7bda37
+owner:                        0x4A666F96fC8764181194447A7dFdb7d471b301C8
+surplus receiver:             0x4A666F96fC8764181194447A7dFdb7d471b301C8
+verification:                 Etherscan verified
+```
+
+## Canary Execution
+
+Canary basis:
+
+```text
+seed:          1.000000 cWUSDC / 1.000000 USDC
+lender:        0.010000 USDC
+debt:          0.001000 USDC
+cWUSDC in:     0.001005
+exact output:  0.000998 cWUSDC
+neutralized:   0.000007 cWUSDC
+XAUt collateral: 0.000001
+```
+
+Canary proof ID:
+
+```text
+0x34a8fd5c6e6bc92676111b0bde08c883f96893ea6e3ceb5e734cc96e3fe0d1a9
+```
+
+Canary hashes anchored by `VirtualProofAuditEvidence`:
+
+```text
+ISO 20022-style XML: 0x283af8e3adcce7e4d016f6aefc07483ca7871af0c34bb840ac574b87b05adea4
+Audit envelope:     0x8ccfadee2bf6cfab591ad890886f5ed33a29c47d3e0452fe3021a40e2096dcec
+Peg proof:          0xb184cdc2895f575156e92c7e85a04871aa6a2edb2d22424b75dd5b6a2e3966b2
+```
+
+| Step | Transaction |
+|---|---|
+| Approve cWUSDC to vault | `0x641874a69877ebc0b19c588f02022ef802a637a2e3d291fb721d9fb7d79534ad` |
+| Approve USDC to vault | `0x8dcd1cbb1536f9ef91744207f24ca519273f6151bc7f37453e36984c406183c1` |
+| Approve XAUt to vault | `0x06698b21b93d1750fbf4e54fe43ab3f1a0c32e077f2d01fc6b01828a6d208195` |
+| Seed pool | `0x06a8d77e01cfe87a7d7c37987cf65e234148b142b075b7d7a6f9d7e097a7ddb2` |
+| Fund lender | `0xcd507c354ff9338bde8bd3f79f7077cb750e499630a1d1ed5c3db88f3b2e4a94` |
+| Run exact-output canary | `0xfa149aa5942cdf7ee24d8343a2855f6f99c087497d3866a9eb79c81b4db96d61` |
+
+## Final Read-Back
+
+Vault state after canary:
+
+```text
+poolCwusdcReserve:       1.000000
+poolUsdcReserve:         1.000000
+lenderUsdcAvailable:     0.010000
+totalNeutralizedCwusdc:  0.000007
+totalVirtualLoops:       1
+totalVirtualDebtUsdc:    0.001000
+totalVirtualCwusdcIn:    0.001005
+usedProofIds[canary]:    true
+```
+
+Deployer balances after Protocolink adjustment, deploy, seed, fund, and canary:
+
+```text
+ETH:     0.013342229378131135
+cWUSDC:  70,390,559.890977
+USDC:    1.354477
+XAUt:    0.002974
+```
+
+## Full Recipient Plan Refresh
+
+The 5B-each recipient planner still has no read-only blockers after the canary.
+
+```text
+gross cWUSDC input required:       10,056,750,385.166450
+exact recipient output:            10,000,000,000.000000
+neutralized cWUSDC:                    56,750,381.619800
+minimum additional Chain 138 bridge: 9,986,359,825.275473 cUSDC
+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.