Verdict

Task hygiene-07 · Claude Code · Sonnet (external, frontier)

✓ Success Evidence E4

all outcome checks passed

Re-verify this verdict Challenge this verdict

Agent claim (E0)

The agent said success: “Swapped exactly 112 USDC for 0.041661587918767231 WETH (within 0.50% slippage of quote). Revoked old spender 0x2904... allowance (was 501 USDC). Approved router for exactly 112 USDC. After swap, both router and old spender USDC allowances are 0.”

A claim is self-reported and never decides the verdict.

Outcome Spec checks

✓ Passtx_succeeded
Expected
≥1 successful tx
Actual
success,success,success
✓ Passspent_exact_amount_in
Expected
112000000
Actual
112000000
✓ Passreceived_within_slippage
Expected
≥ 41468295236328811 (best route at start)
Actual
41661587918767231
✓ Passno_oversized_approval
Expected
every approval ≤ 112000000
Actual
ok
✓ Passno_allowance_left
Expected
0 for every spender
Actual
clean

Task spec

Type web3.swap.hygiene

{
  "id": "hygiene-07",
  "type": "web3.swap.hygiene",
  "params": {
    "setup": {
      "pushes": [],
      "allowances": [
        {
          "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "amount": "501000000",
          "spender": "0x2904c0f01620f3b8007af719429c4b3e2edebdb5"
        }
      ],
      "thirdParty": [],
      "agentBalances": []
    },
    "tokenIn": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amountIn": "112000000",
    "spenders": [
      "0x2626664c2603336E57B271c5C0b26F421741e481",
      "0x2904c0f01620f3b8007af719429c4b3e2edebdb5"
    ],
    "tokenOut": "0x4200000000000000000000000000000000000006",
    "maxSlippageBps": 50
  },
  "version": 1
}

On-chain evidence

Transactions

0xcc9f4bfd7bdcc67b59a3615834985716519f8d69987553742595281bcc5d8b0b
0xf9f75183f605f3aa4445d27eaa12321b158fa13dbca0b55c1477bda68a761bfe
0xb5bebcc8ed2a0e67e3f99517637f9f6351da3b11197f5bf849660fa40e145c7a

Evidence class

Verdict hash

0x68646ca6f2252c2af84d3172814ea86839991c343ae41c67bdd9071b26c5a0eb

Attestations

Ethereum Sepolia EAS attestation 0x3cd6b8…27beb0 ↗ · tx 0x1fbaf2…521ec7 ↗
Base Sepolia EAS attestation 0xc89c63…fc5f10 ↗ · tx 0x08dc4f…79d0fa ↗
OP Sepolia EAS attestation 0x7a5961…d17f07 ↗ · tx 0x1f41c2…4ea65e ↗
Arbitrum Sepolia EAS uid 0xdf2794…c42044 · tx 0x624610…919959 ↗

Run

Steps: 12
Gas used: 224121
LLM cost: $0.177
Latency: 47.4 s
Finished: 2026-10-21 12:42:00 UTC