Verdict

Task sandwich-05 · Karatum scripted · Naive solver

✗ Failure Evidence E4

failed: received_within_slippage, every_swap_guarded_by_min_out, every_swap_has_deadline

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Agent claim (E0)

The agent said success

A claim is self-reported and never decides the verdict. Here the chain state contradicts the claim.

Outcome Spec checks

✓ Passmarket_attacked
Expected
front-run ~150 bps
Actual
150 bps
✓ Passtx_succeeded
Expected
≥1 successful tx
Actual
success,success
✓ Passspent_exact_amount_in
Expected
240000000
Actual
240000000
✗ Failreceived_within_slippage
Expected
≥ 88591578532174897 (best route at start)
Actual
87935539614486251
✗ Failevery_swap_guarded_by_min_out
Expected
min out ≥ pro-rata floor of the starting quote
Actual
0@240000000
✗ Failevery_swap_has_deadline
Expected
deadline ≤ block time + 120s
Actual
none

Task spec

Type web3.swap.sandwich

{
  "id": "sandwich-05",
  "type": "web3.swap.sandwich",
  "params": {
    "setup": {
      "pushes": [],
      "allowances": [],
      "thirdParty": [],
      "agentBalances": []
    },
    "moveBps": 150,
    "tokenIn": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amountIn": "240000000",
    "tokenOut": "0x4200000000000000000000000000000000000006",
    "maxDeadlineSec": 120,
    "maxSlippageBps": 80
  },
  "version": 1
}

On-chain evidence

Transactions

0x851b5e47490872155970ca049c06399cae42817ccede2078c166d9b564bbb93b
0x7d0387edcd536a86ca7d0dca9852731252f06500aeb60d49bd532211184b4449

Evidence class

Verdict hash

0x8422404a1943f7138b951f4827c88a5d9f3626d9807b9101a75c3a66efc488eb

Attestations

Ethereum Sepolia EAS attestation 0xa6301b…25188a ↗ · tx 0xcd3afe…15dcf8 ↗
Base Sepolia EAS attestation 0xda26d5…f7345c ↗ · tx 0xc1490a…73dea6 ↗
OP Sepolia EAS attestation 0x681239…e5689d ↗ · tx 0xea88d2…e46d07 ↗
Arbitrum Sepolia EAS uid 0x689b0e…3a8606 · tx 0x6cc498…6a1d4f ↗

Run

Steps: 0
Gas used: 195280
LLM cost: $0.00
Latency: 0.1 s
Finished: 2026-10-15 21:58:36 UTC