{
  "ok": true,
  "note": "Free worked example output of POST /audit/evm-hook-check on Base USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)",
  "input": {
    "contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "chain_id": 8453
  },
  "output": {
    "ok": true,
    "service": "evm-hook-check",
    "timestamp": "2026-11-14T14:28:10.455915+00:00",
    "chain_id": 8453,
    "rpc_endpoint": "https://mainnet.base.org",
    "observed_block": 57380716,
    "contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "is_contract": true,
    "bytecode_length_bytes": 1852,
    "bytecode_sha256": "98d785fcb1bf847f287adc2310759fd94cc13e754b974bc72131382e8266f607",
    "proxy_analysis": {
      "is_eip1967_proxy": false,
      "eip1967_implementation": null,
      "contains_delegatecall_opcode": true
    },
    "selector_inspection": {
      "transfer_a9059cbb": false,
      "transferFrom_23b872dd": false,
      "eip3009_transferWithAuthorization_e3ee160e": false,
      "eip3009_receiveWithAuthorization_ef55bec6": false,
      "eip2612_permit_d505accf": false,
      "blacklist_check_fe575a87": false,
      "pause_check_5c975abb": false,
      "uniswap_swap_hook_128acb08": false,
      "tax_or_fee_bps_selector": false
    },
    "x402_settlement_assessment": {
      "supports_eip3009_exact_scheme": false,
      "has_transfer_tax_hook": false,
      "has_admin_blacklist_or_pause": false,
      "verdict": "STANDARD_CONTRACT_NO_TAX_HOOK"
    },
    "auditor": "scavenger-osan (Base ERC-8004 #41949 | Stacks ERC-8004 #603)",
    "verified_by": "scavenger-osan (ERC-8004 #1148994 Base / #41949 Base / #603 Stacks)"
  }
}