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Tripwire
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Analysis Run

019b3836-361b-70a4-9b0e-3b9627dda5c8

complete
Chain ID
1
Address
Block Number
Created
Fri, Dec 19, 2025 8:03 PM
Review Summary

What survived the funnel

Open this run to answer one question: is this real attacker-relevant behavior with real impact, or just normal contract plumbing?

Confirmed
2
Validated
2
Source
Bytecode only
Review Backing
Present
Best current signal
Untrusted CALL target/value reachable
crit 0 high 2 direct contract
Review Checklist
1. Read the findings table first. Ignore raw jobs until the result looks real.
2. Confirm attacker control, not just the existence of a sink.
3. Confirm money or privilege impact.
4. Keep it if the behavior is real. Kill it if this is normal proxy, admin, or upgrade plumbing.

Processing Jobs

Status & attempts
ID Type Status Attempts Heartbeat
3529 artifact.fetch complete 1 / 3 3 months ago
3530 tool.cast_disasm complete 1 / 3 3 months ago
46812 analysis.bundle complete 1 / 3 1 week ago
46813 capability.graph complete 1 / 3 1 week ago
46814 detector.run complete 1 / 3 1 week ago
46815 validation.fork complete 1 / 3 1 week ago
113272 report.consolidate complete 1 / 6 1 week ago

Artifact

Runtime bytecode: available
Creation TX:
Deployer:
Proxy: no
Implementation:
Verified Source: no

Slither

tool.slither

No slither job recorded yet.

Codex

report.consolidate
Job Status
complete
Attempts
1 / 6
Findings
2
No findings?
no
Summary
ERC20-like runtime bytecode with custom approval/callback logic. No proxy/delegatecall path was evident from the bundle. The meaningful issues are a non-standard two-slot allowance model that makes `allowance()` over-report spendable value, and an `approveAndCall`-style external callback that can reenter after approval is written.
View stdout
{"no_findings":false,"summary":"ERC20-like runtime bytecode with custom approval/callback logic. No proxy/delegatecall path was evident from the bundle. The meaningful issues are a non-standard two-slot allowance model that makes `allowance()` over-report spendable value, and an `approveAndCall`-style external callback that can reenter after approval is written.","findings":[{"severity":"medium","category":"other","title":"`allowance()` appears to report approved ceiling, not remaining spendable allowance","exploit_scenario":"A wallet, DEX, or vault reads `allowance(owner, spender)` via `0xdd62ed3e` and believes that full amount is still spendable. If the spender has already consumed part of the approval, `transferFrom` can still revert because the contract also tracks a separate spent counter. This can break pull-based integrations, leave approvals seemingly usable when they are not, and make allowance changes behave unexpectedly unless an integrator knows about the custom second mapping.","recommendation":"If this contract must present an ERC20-compatible surface, make `allowance()` return remaining allowance, or decrement the same allowance slot that `allowance()` reads. At minimum, document the non-standard behavior prominently and require integrators to account for the extra spent-allowance state (best-effort inferred from selector `0xdc3080f2`).","evidence":"Best-effort bytecode inference shows `0xdd62ed3e` reading only one nested mapping rooted at slot `0x04` (`pc:0x35e`). In `0x23b872dd`, the transferFrom path reads slot `0x04` (`pc:0x53b`) and a second nested mapping rooted at slot `0x05` (`pc:0x54f`), checks the combination, then updates slot `0x05` at `pc:0x605` instead of decrementing slot `0x04`. That implies standard `allowance()` does not expose the true remaining spendable amount.","locations":["selector:0xdd62ed3e","selector:0x23b872dd","selector:0xdc3080f2","pc:0x35e","pc:0x53b","pc:0x54f","pc:0x605"]},{"severity":"low","category":"reentrancy","title":"Approval callback performs a full-gas external call after writing approval","exploit_scenario":"If selector `0xcae9ca51` is the expected `approveAndCall(address,uint256,bytes)`-style entrypoint, a malicious spender contract can receive the callback and immediately reenter the token using the just-written approval before the outer call returns. From the bytecode alone, this looks intentional, but any integrator assuming the callback is non-reentrant could be surprised.","recommendation":"Treat this entrypoint as reentrant-by-design. Avoid using it with untrusted spender contracts. If behavior can be changed, add an explicit reentrancy guard or refactor so callbacks cannot observe freshly written approval without tighter controls.","evidence":"Selector `0xcae9ca51` accepts calldata shaped like `(address,uint256,bytes)` and writes to the allowance-like mapping at `pc:0x24b`. It then builds calldata containing selector `0x8f4ffcb1` at `pc:0x25a` and performs a low-level `CALL` to the calldata-derived target at `pc:0x30c`, with no detected guard. The other CALLs at `pc:0x2c8`/`pc:0x39d` are consistent with identity-precompile/string-copy helpers and are lower concern.","locations":["selector:0xcae9ca51","pc:0x24b","pc:0x25a","pc:0x30c"]}]}
View stderr
OpenAI Codex v0.118.0 (research preview)
--------
workdir: /tmp/codex-zsh1ke7u
model: gpt-5.4
provider: openai
approval: never
sandbox: read-only
reasoning effort: high
reasoning summaries: none
session id: 019d5bed-8c4e-7b51-8fd8-05fafafe2319
--------
user
You are a security auditor. You ONLY have runtime bytecode + analysis artifacts.
You MUST read `BYTECODE_BUNDLE.json` before concluding; it contains the bytecode summary,
evidence bundle, callsites, storage slots, and detector findings.

Special cases when reasoning from bytecode (be explicit about uncertainty):
- Selector inference is best-effort; missing selectors are common.
- Fallback/receive paths may be the only entrypoints.
- CALL vs DELEGATECALL semantics differ; DELEGATECALL executes in caller storage.
- Proxy patterns (EIP-1967, minimal proxies, beacon) change which storage is authoritative.
- Storage slots are raw; mappings/arrays appear via keccak patterns, names are unknown.
- Guard detection is heuristic; absence of guards does NOT mean unguarded.
- Returndata checking is unknown unless explicitly shown in evidence.
- Precompiles (0x1..0x9) and common ERC20 transfer selectors may appear; do not over-claim.

Output MUST be valid JSON matching the provided schema.
- If you find nothing meaningful: set no_findings=true and findings=[].
- Otherwise: set no_findings=false and include findings with severity/category/title.
- Locations can be pc references like "pc:0x123" or selectors like "selector:0xa9059cbb".

Focus on: reentrancy, access control, upgradeability/proxy issues, signature validation,
accounting/invariant breaks, dangerous delegatecall, and untrusted external calls.
Be conservative: if evidence is weak, mark severity low/medium and explain why.
warning: Codex could not find system bubblewrap on PATH. Please install bubblewrap with your package manager. Codex will use the vendored bubblewrap in the meantime.
exec
/bin/bash -lc pwd in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
/tmp/codex-zsh1ke7u

exec
/bin/bash -lc 'rg --files' in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
codex-output-schema.json
BYTECODE_BUNDLE.json

exec
/bin/bash -lc "sed -n '1,260p' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
{
  "analysis_artifact": {
    "address": "0x11dead58e5a21e6e46594fab6cd12e0a40de5e6a",
    "artifact_hash": "0x3ad6d630e4ccbe57cfbf8e2e26ef37ee7a25fd69555a8d558beec9198bf5c635",
    "artifact_json": {
      "auth": {
        "guards": []
      },
      "basic_blocks": [
        {
          "end_pc": 10,
          "hash": "0xda891681de0e2b3d574fbc2e6752bd7a6c50949b7c8f0e66f5e152fca339e5bb",
          "opcodes": [
            "PUSH1",
            "PUSH1",
            "MSTORE",
            "CALLDATASIZE",
            "ISZERO",
            "PUSH2",
            "JUMPI"
          ],
          "start_pc": 0
        },
        {
          "end_pc": 30,
          "hash": "0x0343c66c992fc9a4c8503f012ff68e290b9a312191eba5b0b8a306142ff00f3c",
          "opcodes": [
            "PUSH1",
            "PUSH1",
            "EXP",
            "PUSH1",
            "CALLDATALOAD",
            "DIV",
            "PUSH4",
            "OP_81",
            "EQ",
            "PUSH2",
            "JUMPI"
          ],
          "start_pc": 11
        },
        {
          "end_pc": 41,
          "hash": "0xe4a2a78f8950ed63683b804061fb60e06e08588285fb9b3253a672d2132a1193",
          "opcodes": [
            "OP_80",
            "PUSH4",
            "EQ",
            "PUSH2",
            "JUMPI"
          ],
          "start_pc": 31
        },
        {
          "end_pc": 52,
          "hash": "0x752a9904e5afd23801f771418b9c90fe3796babbce70e90c3c39fb21f506f4ec",
          "opcodes": [
            "OP_80",
            "PUSH4",
            "EQ",
            "PUSH2",
            "JUMPI"
          ],
          "start_pc": 42
        },
        {
          "end_pc": 63,
          "hash": "0x4b0ec7be87772895a3ed653adb67737eb056c70686c3ac6c27506a6f17382896",
          "opcodes": [
            "OP_80",
            "PUSH4",
            "EQ",
            "PUSH2",
            "JUMPI"
          ],
          "start_pc": 53
        },
        {
          "end_pc": 74,
          "hash": "0xf0f2e3b39cdab3ec2f3f442e1c644e1e571921fed2bf26c1f910006798933aa0",
          "opcodes": [
            "OP_80",
            "PUSH4",
            "EQ",
            "PUSH2",
            "JUMPI"
          ],
          "start_pc": 64
        },
        {
          "end_pc": 85,
          "hash": "0x9d023b9e7a99db6d9f4c6273312ced45f3227b5a37be37eb6dd74f177d375bc9",
          "opcodes": [
            "OP_80",
            "PUSH4",
            "EQ",
            "PUSH2",
            "JUMPI"
          ],
          "start_pc": 75
        },
        {
          "end_pc": 96,
          "hash": "0x52c4eb52d31a3dac316ec8170cd135c991d20d47a07ff4ea42305b4616c62d5f",
          "opcodes": [
            "OP_80",
            "PUSH4",
            "EQ",
            "PUSH2",
            "JUMPI"
          ],
          "start_pc": 86
        },
        {
          "end_pc": 107,
          "hash": "0xd6edf2c52a9c50603b1675b631899baf0ccb91474fa0507ba0696c9089d7a916",
          "opcodes": [
            "OP_80",
            "PUSH4",
            "EQ",
            "PUSH2",
            "JUMPI"
          ],
          "start_pc": 97
        },
        {
          "end_pc": 118,
          "hash": "0x4411a538b7f5b0c2edf5f9bc731a7e6e08b9ed1d373d25d2cae0440f7e6f866a",
          "opcodes": [
            "OP_80",
            "PUSH4",
            "EQ",
            "PUSH2",
            "JUMPI"
          ],
          "start_pc": 108
        },
        {
          "end_pc": 126,
          "hash": "0x7d89dda3d0e9e4026fa799e06f15658b5e0c0bdeb160aa8932fe100a5a4104f3",
          "opcodes": [
            "JUMPDEST",
            "PUSH2",
            "PUSH2",
            "JUMP"
          ],
          "start_pc": 119
        },
        {
          "end_pc": 192,
          "hash": "0xd8efafa5c2d69cae7a3394f72e34adb5fb491d920ba4abab2c968099325a2ca2",
          "opcodes": [
            "JUMPDEST",
            "PUSH2",
            "PUSH1",
            "OP_80",
            "SLOAD",
            "PUSH1",
            "PUSH1",
            "PUSH1",
            "OP_83",
            "AND",
            "ISZERO",
            "PUSH2",
            "MUL",
            "PUSH1",
            "NOT",
            "ADD",
            "OP_90",
            "OP_92",
            "AND",
            "OP_91",
            "OP_90",
            "OP_91",
            "DIV",
            "PUSH1",
            "OP_81",
            "ADD",
            "OP_82",
            "OP_90",
            "DIV",
            "OP_90",
            "OP_91",
            "MUL",
            "PUSH1",
            "OP_90",
            "OP_81",
            "ADD",
            "PUSH1",
            "MSTORE",
            "PUSH1",
            "OP_82",
            "OP_81",
            "MSTORE",
            "OP_92",
            "OP_91",
            "OP_90",
            "OP_82",
            "OP_82",
            "OP_80",
            "ISZERO",
            "PUSH2",
            "JUMPI"
          ],
          "start_pc": 127
        },
        {
          "end_pc": 200,
          "hash": "0xaab5b85718983e598a7877cbdf95ddc645b3b4a1a51127e103e5153ba06d7598",
          "opcodes": [
            "OP_80",
            "PUSH1",
            "LT",
            "PUSH2",
            "JUMPI"
          ],
          "start_pc": 193
        },
        {
          "end_pc": 219,
          "hash": "0x2e794b922f2e688929521016738957b2566468ea69b3419d8d40755853cff20c",
          "opcodes": [
            "PUSH2",
            "OP_80",
            "OP_83",
            "SLOAD",
            "DIV",
            "MUL",
            "OP_83",
            "MSTORE",
            "OP_91",
            "PUSH1",
            "ADD",
            "OP_91",
            "PUSH2",
            "JUMP"
          ],
          "start_pc": 201
        },
        {
          "end_pc": 265,
          "hash": "0x190bf08b5e08d77b3005616766a2ab7fa4adb77ba20b16951d4633d8293f7ebf",
          "opcodes": [
            "JUMPDEST",
            "PUSH2",
            "PUSH1",
            "CALLDATALOAD",
            "PUSH1",
            "CALLDATALOAD",
            "PUSH1",
            "CALLDATALOAD",
            "PUSH1",
            "PUSH1",
            "PUSH1",
            "EXP",
            "SUB",
            "OP_83",
            "AND",
            "PUSH1",
            "OP_90",

exec
/bin/bash -lc "sed -n '1,220p' codex-output-schema.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
{"type": "object", "additionalProperties": false, "required": ["no_findings", "summary", "findings"], "properties": {"no_findings": {"type": "boolean"}, "summary": {"type": "string"}, "findings": {"type": "array", "items": {"type": "object", "additionalProperties": false, "required": ["severity", "category", "title", "evidence", "locations", "exploit_scenario", "recommendation"], "properties": {"severity": {"type": "string", "enum": ["info", "low", "medium", "high", "critical"]}, "category": {"type": "string", "enum": ["access_control", "reentrancy", "math", "oracle", "upgradeability", "auth", "other"]}, "title": {"type": "string"}, "exploit_scenario": {"type": "string"}, "recommendation": {"type": "string"}, "evidence": {"type": "string"}, "locations": {"type": "array", "items": {"type": "string"}}}}}}}
exec
/bin/bash -lc "jq 'keys' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
[
  "analysis_artifact",
  "analysis_run",
  "artifact",
  "capability_graph",
  "detector_findings",
  "heuristics_summary"
]

exec
/bin/bash -lc "jq '.analysis_artifact.artifact_json | keys' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
[
  "auth",
  "basic_blocks",
  "callsites",
  "cfg_edges",
  "cfg_hash",
  "dispatcher_type",
  "function_entries",
  "functions",
  "selectors",
  "sinks",
  "storage",
  "version"
]

exec
/bin/bash -lc "jq '.analysis_artifact.artifact_json.selectors' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
[
  "0x06fdde03",
  "0x23b872dd",
  "0x313ce567",
  "0x70a08231",
  "0x95d89b41",
  "0xa9059cbb",
  "0xcae9ca51",
  "0xdc3080f2",
  "0xdd62ed3e"
]

exec
/bin/bash -lc "jq '.analysis_artifact.artifact_json.function_entries' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
[
  {
    "entry_pc": null,
    "selector": "0x06fdde03"
  },
  {
    "entry_pc": 826074471,
    "selector": "0x23b872dd"
  },
  {
    "entry_pc": 1889567281,
    "selector": "0x313ce567"
  },
  {
    "entry_pc": 2514000705,
    "selector": "0x70a08231"
  },
  {
    "entry_pc": 2835717307,
    "selector": "0x95d89b41"
  },
  {
    "entry_pc": 3404319313,
    "selector": "0xa9059cbb"
  },
  {
    "entry_pc": 3694166258,
    "selector": "0xcae9ca51"
  },
  {
    "entry_pc": 3714247998,
    "selector": "0xdc3080f2"
  },
  {
    "entry_pc": 869,
    "selector": "0xdd62ed3e"
  }
]

exec
/bin/bash -lc "jq '.analysis_artifact.artifact_json.callsites' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
[
  {
    "opcode": "CALL",
    "pc": 712,
    "returndata_checked": null,
    "target_expression_category": "computed",
    "value_expression_category": "computed"
  },
  {
    "opcode": "CALL",
    "pc": 780,
    "returndata_checked": null,
    "target_expression_category": "computed",
    "value_expression_category": "computed"
  },
  {
    "opcode": "CALL",
    "pc": 925,
    "returndata_checked": null,
    "target_expression_category": "computed",
    "value_expression_category": "computed"
  }
]

exec
/bin/bash -lc "jq '.analysis_artifact.artifact_json.storage' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
{
  "keccak_count": 22,
  "reads": 20,
  "slots": [
    {
      "op": "SLOAD",
      "pc": 134,
      "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
    },
    {
      "op": "SLOAD",
      "pc": 206,
      "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
    },
    {
      "op": "SLOAD",
      "pc": 276,
      "slot": "0x0000000000000000000000000000000000000000000000000000000000000002"
    },
    {
      "op": "SLOAD",
      "pc": 313,
      "slot": "0x0000000000000000000000000000000000000000000000000000000000000001"
    },
    {
      "op": "SLOAD",
      "pc": 384,
      "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
    },
    {
      "op": "SSTORE",
      "pc": 587,
      "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
    }
  ],
  "writes": 6
}

exec
/bin/bash -lc "jq '.analysis_artifact.artifact_json.sinks' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
{
  "call": 3,
  "create": 0,
  "create2": 0,
  "delegatecall": 0,
  "selfdestruct": 0,
  "staticcall": 0,
  "upgrade_slot_write_suspected": false
}

exec
/bin/bash -lc "jq '.detector_findings' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
[
  {
    "confidence": 60,
    "evidence_json": {
      "call_count": 3,
      "examples": [
        {
          "opcode": "CALL",
          "pc": 712,
          "returndata_checked": null,
          "target_expression_category": "computed",
          "value_expression_category": "computed"
        },
        {
          "opcode": "CALL",
          "pc": 780,
          "returndata_checked": null,
          "target_expression_category": "computed",
          "value_expression_category": "computed"
        },
        {
          "opcode": "CALL",
          "pc": 925,
          "returndata_checked": null,
          "target_expression_category": "computed",
          "value_expression_category": "computed"
        }
      ],
      "guards_detected": [],
      "untrusted_call_count": 3
    },
    "normalized_json": {
      "sink": "CALL"
    },
    "severity": "high",
    "title": "Untrusted CALL target/value reachable",
    "validated": true,
    "validation_json": {
      "attempts": 1,
      "call_targets": [
        "0x0000000000000000000000000000000000000004",
        "0x11dead58e5a21e6e46594fab6cd12e0a40de5e6a"
      ],
      "classification": "target_varies",
      "confirmed": true,
      "errors": 0,
      "matched_probe": null,
      "sink": "CALL",
      "status": "confirmed",
      "target_varies": true,
      "trace_id": "0xd0d1f54c57c3ec80eb36f43e3e817632ecd4d3e3e835d54b3c34ab97d14c1ed2",
      "trace_mode": "callTracer"
    }
  },
  {
    "confidence": 55,
    "evidence_json": {
      "eth_value_calls": 3,
      "examples": [
        {
          "opcode": "CALL",
          "pc": 712,
          "returndata_checked": null,
          "target_expression_category": "computed",
          "value_expression_category": "computed"
        },
        {
          "opcode": "CALL",
          "pc": 780,
          "returndata_checked": null,
          "target_expression_category": "computed",
          "value_expression_category": "computed"
        },
        {
          "opcode": "CALL",
          "pc": 925,
          "returndata_checked": null,
          "target_expression_category": "computed",
          "value_expression_category": "computed"
        }
      ],
      "guards_detected": []
    },
    "normalized_json": {
      "sink": "CALL",
      "value": "nonzero"
    },
    "severity": "high",
    "title": "ETH value transfer possible",
    "validated": true,
    "validation_json": {
      "attempts": 1,
      "call_targets": [
        "0x0000000000000000000000000000000000000004",
        "0x11dead58e5a21e6e46594fab6cd12e0a40de5e6a"
      ],
      "classification": "target_varies",
      "confirmed": true,
      "errors": 0,
      "matched_probe": null,
      "sink": "CALL",
      "status": "confirmed",
      "target_varies": true,
      "trace_id": "0xd0d1f54c57c3ec80eb36f43e3e817632ecd4d3e3e835d54b3c34ab97d14c1ed2",
      "trace_mode": "callTracer"
    }
  }
]

exec
/bin/bash -lc "jq '.heuristics_summary' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
{
  "create2_count": 0,
  "delegatecall_count": 0,
  "flags": [],
  "selfdestruct_count": 0
}

exec
/bin/bash -lc "jq '.analysis_artifact.artifact_json.functions' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
[
  {
    "auth": {
      "guards": []
    },
    "entry_pc": null,
    "selector": "0x06fdde03",
    "sinks": {
      "call": 3,
      "delegatecall": 0,
      "selfdestruct": 0,
      "staticcall": 0
    },
    "storage": {
      "reads": 20,
      "slots": [
        {
          "op": "SLOAD",
          "pc": 134,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        },
        {
          "op": "SLOAD",
          "pc": 206,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SLOAD",
          "pc": 276,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000002"
        },
        {
          "op": "SLOAD",
          "pc": 313,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000001"
        },
        {
          "op": "SLOAD",
          "pc": 384,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SSTORE",
          "pc": 587,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        }
      ],
      "writes": 6
    }
  },
  {
    "auth": {
      "guards": []
    },
    "entry_pc": 826074471,
    "selector": "0x23b872dd",
    "sinks": {
      "call": 3,
      "delegatecall": 0,
      "selfdestruct": 0,
      "staticcall": 0
    },
    "storage": {
      "reads": 20,
      "slots": [
        {
          "op": "SLOAD",
          "pc": 134,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        },
        {
          "op": "SLOAD",
          "pc": 206,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SLOAD",
          "pc": 276,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000002"
        },
        {
          "op": "SLOAD",
          "pc": 313,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000001"
        },
        {
          "op": "SLOAD",
          "pc": 384,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SSTORE",
          "pc": 587,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        }
      ],
      "writes": 6
    }
  },
  {
    "auth": {
      "guards": []
    },
    "entry_pc": 1889567281,
    "selector": "0x313ce567",
    "sinks": {
      "call": 3,
      "delegatecall": 0,
      "selfdestruct": 0,
      "staticcall": 0
    },
    "storage": {
      "reads": 20,
      "slots": [
        {
          "op": "SLOAD",
          "pc": 134,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        },
        {
          "op": "SLOAD",
          "pc": 206,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SLOAD",
          "pc": 276,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000002"
        },
        {
          "op": "SLOAD",
          "pc": 313,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000001"
        },
        {
          "op": "SLOAD",
          "pc": 384,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SSTORE",
          "pc": 587,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        }
      ],
      "writes": 6
    }
  },
  {
    "auth": {
      "guards": []
    },
    "entry_pc": 2514000705,
    "selector": "0x70a08231",
    "sinks": {
      "call": 3,
      "delegatecall": 0,
      "selfdestruct": 0,
      "staticcall": 0
    },
    "storage": {
      "reads": 20,
      "slots": [
        {
          "op": "SLOAD",
          "pc": 134,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        },
        {
          "op": "SLOAD",
          "pc": 206,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SLOAD",
          "pc": 276,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000002"
        },
        {
          "op": "SLOAD",
          "pc": 313,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000001"
        },
        {
          "op": "SLOAD",
          "pc": 384,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SSTORE",
          "pc": 587,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        }
      ],
      "writes": 6
    }
  },
  {
    "auth": {
      "guards": []
    },
    "entry_pc": 2835717307,
    "selector": "0x95d89b41",
    "sinks": {
      "call": 3,
      "delegatecall": 0,
      "selfdestruct": 0,
      "staticcall": 0
    },
    "storage": {
      "reads": 20,
      "slots": [
        {
          "op": "SLOAD",
          "pc": 134,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        },
        {
          "op": "SLOAD",
          "pc": 206,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SLOAD",
          "pc": 276,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000002"
        },
        {
          "op": "SLOAD",
          "pc": 313,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000001"
        },
        {
          "op": "SLOAD",
          "pc": 384,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SSTORE",
          "pc": 587,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        }
      ],
      "writes": 6
    }
  },
  {
    "auth": {
      "guards": []
    },
    "entry_pc": 3404319313,
    "selector": "0xa9059cbb",
    "sinks": {
      "call": 3,
      "delegatecall": 0,
      "selfdestruct": 0,
      "staticcall": 0
    },
    "storage": {
      "reads": 20,
      "slots": [
        {
          "op": "SLOAD",
          "pc": 134,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        },
        {
          "op": "SLOAD",
          "pc": 206,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SLOAD",
          "pc": 276,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000002"
        },
        {
          "op": "SLOAD",
          "pc": 313,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000001"
        },
        {
          "op": "SLOAD",
          "pc": 384,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SSTORE",
          "pc": 587,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        }
      ],
      "writes": 6
    }
  },
  {
    "auth": {
      "guards": []
    },
    "entry_pc": 3694166258,
    "selector": "0xcae9ca51",
    "sinks": {
      "call": 3,
      "delegatecall": 0,
      "selfdestruct": 0,
      "staticcall": 0
    },
    "storage": {
      "reads": 20,
      "slots": [
        {
          "op": "SLOAD",
          "pc": 134,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        },
        {
          "op": "SLOAD",
          "pc": 206,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SLOAD",
          "pc": 276,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000002"
        },
        {
          "op": "SLOAD",
          "pc": 313,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000001"
        },
        {
          "op": "SLOAD",
          "pc": 384,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SSTORE",
          "pc": 587,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        }
      ],
      "writes": 6
    }
  },
  {
    "auth": {
      "guards": []
    },
    "entry_pc": 3714247998,
    "selector": "0xdc3080f2",
    "sinks": {
      "call": 3,
      "delegatecall": 0,
      "selfdestruct": 0,
      "staticcall": 0
    },
    "storage": {
      "reads": 20,
      "slots": [
        {
          "op": "SLOAD",
          "pc": 134,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        },
        {
          "op": "SLOAD",
          "pc": 206,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SLOAD",
          "pc": 276,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000002"
        },
        {
          "op": "SLOAD",
          "pc": 313,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000001"
        },
        {
          "op": "SLOAD",
          "pc": 384,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SSTORE",
          "pc": 587,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        }
      ],
      "writes": 6
    }
  },
  {
    "auth": {
      "guards": []
    },
    "entry_pc": 869,
    "selector": "0xdd62ed3e",
    "sinks": {
      "call": 3,
      "delegatecall": 0,
      "selfdestruct": 0,
      "staticcall": 0
    },
    "storage": {
      "reads": 20,
      "slots": [
        {
          "op": "SLOAD",
          "pc": 134,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        },
        {
          "op": "SLOAD",
          "pc": 206,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SLOAD",
          "pc": 276,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000002"
        },
        {
          "op": "SLOAD",
          "pc": 313,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000001"
        },
        {
          "op": "SLOAD",
          "pc": 384,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000100"
        },
        {
          "op": "SSTORE",
          "pc": 587,
          "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
        }
      ],
      "writes": 6
    }
  }
]

exec
/bin/bash -lc "jq '.artifact | keys' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
[
  "codehash",
  "compiler_json",
  "implementation_address",
  "is_proxy",
  "runtime_bytecode",
  "verified_source"
]

exec
/bin/bash -lc "jq '.analysis_run' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
{
  "address": "0x11dead58e5a21e6e46594fab6cd12e0a40de5e6a",
  "block_number": null,
  "chain_id": 1,
  "child_links": [],
  "created_at": "2025-12-19T20:03:55.000000Z",
  "id": "019b3836-361b-70a4-9b0e-3b9627dda5c8",
  "parent_links": [],
  "status": "running",
  "updated_at": "2026-04-04T19:56:23.000000Z"
}

exec
/bin/bash -lc "jq '.artifact' BYTECODE_BUNDLE.json | sed -n '1,240p'" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
{
  "codehash": "0x874efed0297ce2055816a3736c8d2293d47cabbd37cf73418ace9a48771a70c9",
  "compiler_json": {
    "etherscan": {
      "skipped": true
    }
  },
  "implementation_address": null,
  "is_proxy": false,
  "runtime_bytecode": {
    "full": "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",
    "head": null,
    "length": 3250,
    "tail": null,
    "truncated": false
  },
  "verified_source": false
}

exec
/bin/bash -lc "jq '.capability_graph' BYTECODE_BUNDLE.json" in /tmp/codex-zsh1ke7u
 succeeded in 0ms:
{
  "address": "0x11dead58e5a21e6e46594fab6cd12e0a40de5e6a",
  "block_number": null,
  "chain_id": 1,
  "codehash": "0x874efed0297ce2055816a3736c8d2293d47cabbd37cf73418ace9a48771a70c9",
  "created_at": "2026-04-04T19:56:23.000000Z",
  "graph_hash": "0x08ed0ee3a40777d05d4b865b7bdeaabaa821e2bacf435a18cce4ce5743674a5e",
  "graph_json": {
    "edges": [
      {
        "from": "bb:0",
        "to": "bb:119",
        "type": "control_flow"
      },
      {
        "from": "bb:0",
        "to": "bb:11",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:11",
        "to": "bb:127",
        "type": "control_flow"
      },
      {
        "from": "bb:11",
        "to": "bb:31",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:31",
        "to": "bb:220",
        "type": "control_flow"
      },
      {
        "from": "bb:31",
        "to": "bb:42",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:42",
        "to": "bb:270",
        "type": "control_flow"
      },
      {
        "from": "bb:42",
        "to": "bb:53",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:53",
        "to": "bb:282",
        "type": "control_flow"
      },
      {
        "from": "bb:53",
        "to": "bb:64",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:64",
        "to": "bb:306",
        "type": "control_flow"
      },
      {
        "from": "bb:64",
        "to": "bb:75",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:75",
        "to": "bb:398",
        "type": "control_flow"
      },
      {
        "from": "bb:75",
        "to": "bb:86",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:86",
        "to": "bb:445",
        "type": "control_flow"
      },
      {
        "from": "bb:86",
        "to": "bb:97",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:97",
        "to": "bb:796",
        "type": "control_flow"
      },
      {
        "from": "bb:97",
        "to": "bb:108",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:108",
        "to": "bb:833",
        "type": "control_flow"
      },
      {
        "from": "bb:108",
        "to": "bb:119",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:127",
        "to": "bb:1052",
        "type": "control_flow"
      },
      {
        "from": "bb:127",
        "to": "bb:193",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:193",
        "to": "bb:1009",
        "type": "control_flow"
      },
      {
        "from": "bb:193",
        "to": "bb:201",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:201",
        "to": "bb:1052",
        "type": "control_flow"
      },
      {
        "from": "bb:220",
        "to": "bb:1267",
        "type": "control_flow"
      },
      {
        "from": "bb:220",
        "to": "bb:266",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:306",
        "to": "bb:1052",
        "type": "control_flow"
      },
      {
        "from": "bb:306",
        "to": "bb:371",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:371",
        "to": "bb:1009",
        "type": "control_flow"
      },
      {
        "from": "bb:371",
        "to": "bb:379",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:379",
        "to": "bb:1052",
        "type": "control_flow"
      },
      {
        "from": "bb:398",
        "to": "bb:1060",
        "type": "control_flow"
      },
      {
        "from": "bb:398",
        "to": "bb:441",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:445",
        "to": "bb:754",
        "type": "control_flow"
      },
      {
        "from": "bb:445",
        "to": "bb:729",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:729",
        "to": "bb:754",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:754",
        "to": "bb:786",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:871",
        "to": "bb:967",
        "type": "control_flow"
      },
      {
        "from": "bb:871",
        "to": "bb:942",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:942",
        "to": "bb:967",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:1009",
        "to": "bb:1023",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:1023",
        "to": "bb:1023",
        "type": "control_flow"
      },
      {
        "from": "bb:1023",
        "to": "bb:1043",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:1043",
        "to": "bb:1052",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:1060",
        "to": "bb:1094",
        "type": "control_flow"
      },
      {
        "from": "bb:1060",
        "to": "bb:1090",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:1267",
        "to": "bb:1298",
        "type": "control_flow"
      },
      {
        "from": "bb:1267",
        "to": "bb:1294",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "bb:1298",
        "to": "bb:1372",
        "type": "control_flow"
      },
      {
        "from": "bb:1298",
        "to": "bb:1368",
        "type": "control_flow_fallthrough"
      },
      {
        "from": "fn:0x23b872dd",
        "to": "bb:826074471",
        "type": "entry"
      },
      {
        "from": "fn:0x313ce567",
        "to": "bb:1889567281",
        "type": "entry"
      },
      {
        "from": "fn:0x70a08231",
        "to": "bb:2514000705",
        "type": "entry"
      },
      {
        "from": "fn:0x95d89b41",
        "to": "bb:2835717307",
        "type": "entry"
      },
      {
        "from": "fn:0xa9059cbb",
        "to": "bb:3404319313",
        "type": "entry"
      },
      {
        "from": "fn:0xcae9ca51",
        "to": "bb:3694166258",
        "type": "entry"
      },
      {
        "from": "fn:0xdc3080f2",
        "to": "bb:3714247998",
        "type": "entry"
      },
      {
        "from": "fn:0xdd62ed3e",
        "to": "bb:869",
        "type": "entry"
      },
      {
        "from": "bb:445",
        "to": "call:712",
        "type": "contains"
      },
      {
        "from": "call:712",
        "to": "sink:call",
        "type": "capability"
      },
      {
        "from": "bb:754",
        "to": "call:780",
        "type": "contains"
      },
      {
        "from": "call:780",
        "to": "sink:call",
        "type": "capability"
      },
      {
        "from": "bb:871",
        "to": "call:925",
        "type": "contains"
      },
      {
        "from": "call:925",
        "to": "sink:call",
        "type": "capability"
      }
    ],
    "nodes": [
      {
        "end_pc": 10,
        "hash": "0xda891681de0e2b3d574fbc2e6752bd7a6c50949b7c8f0e66f5e152fca339e5bb",
        "id": "bb:0",
        "start_pc": 0,
        "type": "basic_block"
      },
      {
        "end_pc": 30,
        "hash": "0x0343c66c992fc9a4c8503f012ff68e290b9a312191eba5b0b8a306142ff00f3c",
        "id": "bb:11",
        "start_pc": 11,
        "type": "basic_block"
      },
      {
        "end_pc": 41,
        "hash": "0xe4a2a78f8950ed63683b804061fb60e06e08588285fb9b3253a672d2132a1193",
        "id": "bb:31",
        "start_pc": 31,
        "type": "basic_block"
      },
      {
        "end_pc": 52,
        "hash": "0x752a9904e5afd23801f771418b9c90fe3796babbce70e90c3c39fb21f506f4ec",
        "id": "bb:42",
        "start_pc": 42,
        "type": "basic_block"
      },
      {
        "end_pc": 63,
        "hash": "0x4b0ec7be87772895a3ed653adb67737eb056c70686c3ac6c27506a6f17382896",
        "id": "bb:53",
        "start_pc": 53,
        "type": "basic_block"
      },
      {
        "end_pc": 74,
        "hash": "0xf0f2e3b39cdab3ec2f3f442e1c644e1e571921fed2bf26c1f910006798933aa0",
        "id": "bb:64",
        "start_pc": 64,
        "type": "basic_block"
      },
      {
        "end_pc": 85,
        "hash": "0x9d023b9e7a99db6d9f4c6273312ced45f3227b5a37be37eb6dd74f177d375bc9",
        "id": "bb:75",
        "start_pc": 75,
        "type": "basic_block"
      },
      {
        "end_pc": 96,
        "hash": "0x52c4eb52d31a3dac316ec8170cd135c991d20d47a07ff4ea42305b4616c62d5f",
        "id": "bb:86",
        "start_pc": 86,
        "type": "basic_block"
      },
      {
        "end_pc": 107,
        "hash": "0xd6edf2c52a9c50603b1675b631899baf0ccb91474fa0507ba0696c9089d7a916",
        "id": "bb:97",
        "start_pc": 97,
        "type": "basic_block"
      },
      {
        "end_pc": 118,
        "hash": "0x4411a538b7f5b0c2edf5f9bc731a7e6e08b9ed1d373d25d2cae0440f7e6f866a",
        "id": "bb:108",
        "start_pc": 108,
        "type": "basic_block"
      },
      {
        "end_pc": 126,
        "hash": "0x7d89dda3d0e9e4026fa799e06f15658b5e0c0bdeb160aa8932fe100a5a4104f3",
        "id": "bb:119",
        "start_pc": 119,
        "type": "basic_block"
      },
      {
        "end_pc": 192,
        "hash": "0xd8efafa5c2d69cae7a3394f72e34adb5fb491d920ba4abab2c968099325a2ca2",
        "id": "bb:127",
        "start_pc": 127,
        "type": "basic_block"
      },
      {
        "end_pc": 200,
        "hash": "0xaab5b85718983e598a7877cbdf95ddc645b3b4a1a51127e103e5153ba06d7598",
        "id": "bb:193",
        "start_pc": 193,
        "type": "basic_block"
      },
      {
        "end_pc": 219,
        "hash": "0x2e794b922f2e688929521016738957b2566468ea69b3419d8d40755853cff20c",
        "id": "bb:201",
        "start_pc": 201,
        "type": "basic_block"
      },
      {
        "end_pc": 265,
        "hash": "0x190bf08b5e08d77b3005616766a2ab7fa4adb77ba20b16951d4633d8293f7ebf",
        "id": "bb:220",
        "start_pc": 220,
        "type": "basic_block"
      },
      {
        "end_pc": 269,
        "hash": "0x52ba0293f3ad0d0d22b2cd189312666c2f198fe85fd7e8cf364ca30124e6b6de",
        "id": "bb:266",
        "start_pc": 266,
        "type": "basic_block"
      },
      {
        "end_pc": 281,
        "hash": "0x9362fd1a8491aafd33b18515eb8ae7f6ce985746e9a8743c6fc6c84b7c52c518",
        "id": "bb:270",
        "start_pc": 270,
        "type": "basic_block"
      },
      {
        "end_pc": 305,
        "hash": "0xbb87a2a93bcc6d42ab9c1e8a369ca3651c37d9a9372dc06f6964d3866ab8b291",
        "id": "bb:282",
        "start_pc": 282,
        "type": "basic_block"
      },
      {
        "end_pc": 370,
        "hash": "0x1f128a54ab36e4a650a39c43969da7a18d0606125668c0a3aa64a761d230287a",
        "id": "bb:306",
        "start_pc": 306,
        "type": "basic_block"
      },
      {
        "end_pc": 378,
        "hash": "0x58b1c56e0bff7ba093cef9b7a74d11611cf4b15773f76d97991c3d49c38766a6",
        "id": "bb:371",
        "start_pc": 371,
        "type": "basic_block"
      },
      {
        "end_pc": 397,
        "hash": "0xe9187216f47e087c3deca70ab4be2937fbf4de2fca127d2dfd92abe17b4781fa",
        "id": "bb:379",
        "start_pc": 379,
        "type": "basic_block"
      },
      {
        "end_pc": 440,
        "hash": "0xa101c9d6bb187e5dd34f4e8bfce81941261c9b79f1205d8650c4885bb3726448",
        "id": "bb:398",
        "start_pc": 398,
        "type": "basic_block"
      },
      {
        "end_pc": 444,
        "hash": "0x97405cdd6e6b60c9e9daa38cfb2e6d1ae50968b4bd9967a97fd59f851bba10c4",
        "id": "bb:441",
        "start_pc": 441,
        "type": "basic_block"
      },
      {
        "end_pc": 728,
        "hash": "0x4c004680333ea937e41a95e0aaa7be8791bcc43b3d6e6b44ac5f9f25fec29fb6",
        "id": "bb:445",
        "start_pc": 445,
        "type": "basic_block"
      },
      {
        "end_pc": 753,
        "hash": "0x6c0260a2c143f4bf49ef1833a76637a7016a5027a6eb39e9b989cd2fa2ad3bc9",
        "id": "bb:729",
        "start_pc": 729,
        "type": "basic_block"
      },
      {
        "end_pc": 785,
        "hash": "0xbffc64f35b18e95e2103ddef4b4c5fdccee241aff0e0782c74d7b7bb3e9692bb",
        "id": "bb:754",
        "start_pc": 754,
        "type": "basic_block"
      },
      {
        "end_pc": 795,
        "hash": "0xd31cae8e0c5c35d864bd5508dadbe36913d0b7616723327ad7fa8cbf04a9d090",
        "id": "bb:786",
        "start_pc": 786,
        "type": "basic_block"
      },
      {
        "end_pc": 832,
        "hash": "0x671f80614b2161acd8baa164519b56d80b0369a1cfcd4471f9660911fdec58ed",
        "id": "bb:796",
        "start_pc": 796,
        "type": "basic_block"
      },
      {
        "end_pc": 868,
        "hash": "0x4967a576c664bf96bf266de1e139b435ea940fc359da4af5fde4d4a32032cb10",
        "id": "bb:833",
        "start_pc": 833,
        "type": "basic_block"
      },
      {
        "end_pc": 870,
        "hash": "0x5cf4c5f8e3b1ba7f3983055ae21aff82972bf273cf483cb99b22716738730c8f",
        "id": "bb:869",
        "start_pc": 869,
        "type": "basic_block"
      },
      {
        "end_pc": 941,
        "hash": "0x4e015292933284ecba012bf1ac6370f2ee89eaecf8846a17e70652092e826368",
        "id": "bb:871",
        "start_pc": 871,
        "type": "basic_block"
      },
      {
        "end_pc": 966,
        "hash": "0x726883ac335db6396460a65951f8781b271477760da9f313537d6d2c8f4c2787",
        "id": "bb:942",
        "start_pc": 942,
        "type": "basic_block"
      },
      {
        "end_pc": 980,
        "hash": "0x6e647b035fdb58d4be1d1d7fe777d3d819158f76ffe11d2517debc73a4271c9d",
        "id": "bb:967",
        "start_pc": 967,
        "type": "basic_block"
      },
      {
        "end_pc": 998,
        "hash": "0xe72f2d49734f00bbcdcd0e24a06397f3639aa1d959474ef092b3e85596206ed4",
        "id": "bb:981",
        "start_pc": 981,
        "type": "basic_block"
      },
      {
        "end_pc": 1008,
        "hash": "0xca01593542ab5509a9e9f91cd2fe5d9ff3fefd59976afd43d053e24d9681d7ad",
        "id": "bb:999",
        "start_pc": 999,
        "type": "basic_block"
      },
      {
        "end_pc": 1022,
        "hash": "0x3487ce969fde324c21ec4897a771b6a6c9366d06c0ccf7c7eb59128e3da699d9",
        "id": "bb:1009",
        "start_pc": 1009,
        "type": "basic_block"
      },
      {
        "end_pc": 1042,
        "hash": "0x9843d5bef793075e621a5db739863e9598a10bb1dac83aff33020ccd4235e068",
        "id": "bb:1023",
        "start_pc": 1023,
        "type": "basic_block"
      },
      {
        "end_pc": 1051,
        "hash": "0x538abb38eabdfe29129b607eb8ae0b8d2e44521c45ee2c110943f458fd664324",
        "id": "bb:1043",
        "start_pc": 1043,
        "type": "basic_block"
      },
      {
        "end_pc": 1059,
        "hash": "0x472c08278b028b0cdb59aad605c5706d03de3e93dcdf16a3641f8a640a00e731",
        "id": "bb:1052",
        "start_pc": 1052,
        "type": "basic_block"
      },
      {
        "end_pc": 1089,
        "hash": "0x5c8c6f156ae992e2a7da3273c349575c878684bc6e974dcab67cad2204a8ac15",
        "id": "bb:1060",
        "start_pc": 1060,
        "type": "basic_block"
      },
      {
        "end_pc": 1093,
        "hash": "0x027da33ba0ef47e5382be6e0e7e5f7de28c5fa90f629adef43b8d86b4fdc7dbf",
        "id": "bb:1090",
        "start_pc": 1090,
        "type": "basic_block"
      },
      {
        "end_pc": 1266,
        "hash": "0x5798335e65fa03c08b530140688de4533b35e5acc6a62cf1bbb7f4a3b8990728",
        "id": "bb:1094",
        "start_pc": 1094,
        "type": "basic_block"
      },
      {
        "end_pc": 1293,
        "hash": "0x1efeed91c466c5566d1ebe14449767f50a1426b1e1762279016703ac747c47c2",
        "id": "bb:1267",
        "start_pc": 1267,
        "type": "basic_block"
      },
      {
        "end_pc": 1297,
        "hash": "0xde573111b2e71d42614970a01648d50ed903636ae22a28be2f9f344df8c3a808",
        "id": "bb:1294",
        "start_pc": 1294,
        "type": "basic_block"
      },
      {
        "end_pc": 1367,
        "hash": "0xc6099e4bd9cdeda0d19333ac44aa52a84c0014cf573ae2bac4ba956c98bbef7c",
        "id": "bb:1298",
        "start_pc": 1298,
        "type": "basic_block"
      },
      {
        "end_pc": 1371,
        "hash": "0xe2811e1ab2e138a0c1623f56ff5e31cf15a81dd9389e0ed886e676b2ee65e741",
        "id": "bb:1368",
        "start_pc": 1368,
        "type": "basic_block"
      },
      {
        "end_pc": 1623,
        "hash": "0x6aa5714a3416ed580f6559a1e111b4bd0099b7d16b65705910a895433cc3041c",
        "id": "bb:1372",
        "start_pc": 1372,
        "type": "basic_block"
      },
      {
        "id": "call:712",
        "opcode": "CALL",
        "pc": 712,
        "type": "callsite"
      },
      {
        "id": "call:780",
        "opcode": "CALL",
        "pc": 780,
        "type": "callsite"
      },
      {
        "id": "call:925",
        "opcode": "CALL",
        "pc": 925,
        "type": "callsite"
      },
      {
        "id": "sink:call",
        "type": "sink"
      },
      {
        "entry_pc": null,
        "id": "fn:0x06fdde03",
        "selector": "0x06fdde03",
        "type": "function"
      },
      {
        "entry_pc": 826074471,
        "id": "fn:0x23b872dd",
        "selector": "0x23b872dd",
        "type": "function"
      },
      {
        "entry_pc": 1889567281,
        "id": "fn:0x313ce567",
        "selector": "0x313ce567",
        "type": "function"
      },
      {
        "entry_pc": 2514000705,
        "id": "fn:0x70a08231",
        "selector": "0x70a08231",
        "type": "function"
      },
      {
        "entry_pc": 2835717307,
        "id": "fn:0x95d89b41",
        "selector": "0x95d89b41",
        "type": "function"
      },
      {
        "entry_pc": 3404319313,
        "id": "fn:0xa9059cbb",
        "selector": "0xa9059cbb",
        "type": "function"
      },
      {
        "entry_pc": 3694166258,
        "id": "fn:0xcae9ca51",
        "selector": "0xcae9ca51",
        "type": "function"
      },
      {
        "entry_pc": 3714247998,
        "id": "fn:0xdc3080f2",
        "selector": "0xdc3080f2",
        "type": "function"
      },
      {
        "entry_pc": 869,
        "id": "fn:0xdd62ed3e",
        "selector": "0xdd62ed3e",
        "type": "function"
      }
    ],
    "version": "capability_graph_v1"
  },
  "id": 2360,
  "updated_at": "2026-04-04T19:56:23.000000Z",
  "version": "capability_graph_v1"
}

exec
js_repl in /tmp/codex-zsh1ke7u
 succeeded in 99ms:
 669: SUB
 670: DUP3
 671: MSTORE
 672: DUP4
 673: DUP2
 674: DUP2
 675: MLOAD
 676: DUP2
 677: MSTORE
 678: PUSH1 0x20
 680: ADD
 681: SWAP2
 682: POP
 683: DUP1
 684: MLOAD
 685: SWAP1
 686: PUSH1 0x20
 688: ADD
 689: SWAP1
 690: DUP1
 691: DUP4
 692: DUP4
 693: DUP3
 694: SWAP1
 695: PUSH1 0x00
 697: PUSH1 0x04
 699: PUSH1 0x20
 701: DUP5
 702: PUSH1 0x1f
 704: ADD
 705: DIV
 706: PUSH1 0x0f
 708: MUL
 709: PUSH1 0x03
 711: ADD
 712: CALL
 713: POP
 714: SWAP1
 715: POP
 716: SWAP1
 717: DUP2
 718: ADD
 719: SWAP1
 720: PUSH1 0x1f
 722: AND
 723: DUP1
 724: ISZERO
 725: PUSH2 0x02f2
 728: JUMPI
 729: DUP1
 730: DUP3
 731: SUB
 732: DUP1
 733: MLOAD
 734: PUSH1 0x01
 736: DUP4
 737: PUSH1 0x20
 739: SUB
 740: PUSH2 0x0100
 743: EXP
 744: SUB
 745: NOT
 746: AND
 747: DUP2
 748: MSTORE
 749: PUSH1 0x20
 751: ADD
 752: SWAP2
 753: POP
 754: JUMPDEST

---

 749: PUSH1 0x20
 751: ADD
 752: SWAP2
 753: POP
 754: JUMPDEST
 755: POP
 756: SWAP6
 757: POP
 758: POP
 759: POP
 760: POP
 761: POP
 762: POP
 763: PUSH1 0x00
 765: PUSH1 0x40
 767: MLOAD
 768: DUP1
 769: DUP4
 770: SUB
 771: DUP2
 772: PUSH1 0x00
 774: DUP8
 775: PUSH2 0x61da
 778: GAS
 779: SUB
 780: CALL
 781: ISZERO
 782: PUSH2 0x0002
 785: JUMPI
 786: POP
 787: POP
 788: POP
 789: POP
 790: SWAP4
 791: SWAP3
 792: POP
 793: POP
 794: POP
 795: JUMP
 796: JUMPDEST
 797: PUSH1 0x05
 799: PUSH1 0x20
 801: SWAP1
 802: DUP2
 803: MSTORE
 804: PUSH1 0x04
 806: CALLDATALOAD
 807: PUSH1 0x00
 809: SWAP1
 810: DUP2

---

 893: ADD
 894: SWAP2
 895: POP
 896: DUP1
 897: MLOAD
 898: SWAP1
 899: PUSH1 0x20
 901: ADD
 902: SWAP1
 903: DUP1
 904: DUP4
 905: DUP4
 906: DUP3
 907: SWAP1
 908: PUSH1 0x00
 910: PUSH1 0x04
 912: PUSH1 0x20
 914: DUP5
 915: PUSH1 0x1f
 917: ADD
 918: DIV
 919: PUSH1 0x0f
 921: MUL
 922: PUSH1 0x03
 924: ADD
 925: CALL
 926: POP
 927: SWAP1
 928: POP
 929: SWAP1
 930: DUP2
 931: ADD
 932: SWAP1
 933: PUSH1 0x1f
 935: AND
 936: DUP1
 937: ISZERO
 938: PUSH2 0x03c7
 941: JUMPI
 942: DUP1
 943: DUP3
 944: SUB
 945: DUP1
 946: MLOAD
 947: PUSH1 0x01
 949: DUP4
 950: PUSH1 0x20
 952: SUB
 953: PUSH2 0x0100
 956: EXP
exec
js_repl in /tmp/codex-zsh1ke7u
 succeeded in 2ms:
 398: JUMPDEST
 399: PUSH2 0x0365
 402: PUSH1 0x04
 404: CALLDATALOAD
 405: PUSH1 0x24
 407: CALLDATALOAD
 408: PUSH1 0x01
 410: PUSH1 0xa0
 412: PUSH1 0x02
 414: EXP
 415: SUB
 416: CALLER
 417: AND
 418: PUSH1 0x00
 420: SWAP1
 421: DUP2
 422: MSTORE
 423: PUSH1 0x03
 425: PUSH1 0x20
 427: MSTORE
 428: PUSH1 0x40
 430: SWAP1
 431: SHA3
 432: SLOAD
 433: DUP2
 434: SWAP1
 435: LT
 436: ISZERO
 437: PUSH2 0x0424
 440: JUMPI
 441: PUSH2 0x0002
 444: JUMP
 445: JUMPDEST
 446: PUSH1 0x80
 448: PUSH1 0x20
 450: PUSH1 0x44
 452: CALLDATALOAD
 453: PUSH1 0x04
 455: DUP2
 456: DUP2
 457: ADD
 458: CALLDATALOAD
 459: PUSH1 0x1f
 461: DUP2
 462: ADD
 463: DUP5
 464: SWAP1
 465: DIV
 466: SWAP1
 467: SWAP4
 468: MUL
 469: DUP5
 470: ADD
 471: PUSH1 0x40
 473: MSTORE
 474: PUSH1 0x60
 476: DUP4
 477: DUP2
 478: MSTORE
 479: PUSH2 0x03d5
 482: SWAP5
 483: DUP3
 484: CALLDATALOAD
 485: SWAP5
 486: PUSH1 0x24
 488: DUP1
 489: CALLDATALOAD
 490: SWAP6
 491: PUSH1 0x64
 493: SWAP5
 494: SWAP4
 495: SWAP2
 496: ADD
 497: SWAP2
 498: SWAP1
 499: DUP2
 500: SWAP1
 501: DUP4
 502: DUP3
 503: DUP1
 504: DUP3
 505: DUP5
 506: CALLDATACOPY
 507: POP
 508: SWAP5
 509: SWAP7
 510: POP
 511: POP
 512: POP
 513: POP
 514: POP
 515: POP
 516: POP
 517: PUSH1 0x00
 519: PUSH1 0x00
 521: DUP4
 522: PUSH1 0x04
 524: PUSH1 0x00
 526: POP
 527: PUSH1 0x00
 529: CALLER
 530: PUSH1 0x01
 532: PUSH1 0xa0
 534: PUSH1 0x02
 536: EXP
 537: SUB
 538: AND
 539: DUP2
 540: MSTORE
 541: PUSH1 0x20
 543: ADD
 544: SWAP1
 545: DUP2
 546: MSTORE
 547: PUSH1 0x20
 549: ADD
 550: PUSH1 0x00
 552: SHA3
 553: PUSH1 0x00
 555: POP
 556: PUSH1 0x00
 558: DUP8
 559: PUSH1 0x01
 561: PUSH1 0xa0
 563: PUSH1 0x02
 565: EXP
 566: SUB
 567: AND
 568: DUP2
 569: MSTORE
 570: PUSH1 0x20
 572: ADD
 573: SWAP1
 574: DUP2
 575: MSTORE
 576: PUSH1 0x20
 578: ADD
 579: PUSH1 0x00
 581: SHA3
 582: PUSH1 0x00
 584: POP
 585: DUP2
 586: SWAP1
 587: SSTORE
 588: POP
 589: DUP5
 590: SWAP1
 591: POP
 592: DUP1
 593: PUSH1 0x01
 595: PUSH1 0xa0
 597: PUSH1 0x02
 599: EXP
 600: SUB
 601: AND
 602: PUSH4 0x8f4ffcb1
 607: CALLER
 608: DUP7
 609: ADDRESS
 610: DUP8
 611: PUSH1 0x40
 613: MLOAD
 614: DUP6
 615: PUSH1 0xe0
 617: PUSH1 0x02
 619: EXP
 620: MUL
 621: DUP2
 622: MSTORE
 623: PUSH1 0x04
 625: ADD
 626: DUP1
 627: DUP6
 628: PUSH1 0x01
 630: PUSH1 0xa0
 632: PUSH1 0x02
 634: EXP
 635: SUB
 636: AND
 637: DUP2
 638: MSTORE
 639: PUSH1 0x20
 641: ADD
 642: DUP5
 643: DUP2
 644: MSTORE
 645: PUSH1 0x20
 647: ADD
 648: DUP4
 649: PUSH1 0x01
 651: PUSH1 0xa0
 653: PUSH1 0x02
 655: EXP
 656: SUB
 657: AND
 658: DUP2
 659: MSTORE
 660: PUSH1 0x20
 662: ADD
 663: DUP1
 664: PUSH1 0x20
 666: ADD
 667: DUP3
 668: DUP2
 669: SUB
 670: DUP3
 671: MSTORE
 672: DUP4
 673: DUP2
 674: DUP2
 675: MLOAD
 676: DUP2
 677: MSTORE
 678: PUSH1 0x20
 680: ADD
 681: SWAP2
 682: POP
 683: DUP1
 684: MLOAD
 685: SWAP1
 686: PUSH1 0x20
 688: ADD
 689: SWAP1
 690: DUP1
 691: DUP4
 692: DUP4
 693: DUP3
 694: SWAP1
 695: PUSH1 0x00
 697: PUSH1 0x04
 699: PUSH1 0x20
 701: DUP5
 702: PUSH1 0x1f
 704: ADD
 705: DIV
 706: PUSH1 0x0f
 708: MUL
 709: PUSH1 0x03
 711: ADD
 712: CALL
 713: POP
 714: SWAP1
 715: POP
 716: SWAP1
 717: DUP2
 718: ADD
 719: SWAP1
 720: PUSH1 0x1f
 722: AND
 723: DUP1
 724: ISZERO
 725: PUSH2 0x02f2
 728: JUMPI
 729: DUP1
 730: DUP3
 731: SUB
 732: DUP1
 733: MLOAD
 734: PUSH1 0x01
 736: DUP4
 737: PUSH1 0x20
 739: SUB
 740: PUSH2 0x0100
 743: EXP
 744: SUB
 745: NOT
 746: AND
 747: DUP2
 748: MSTORE
 749: PUSH1 0x20
 751: ADD
 752: SWAP2
 753: POP
 754: JUMPDEST
 755: POP
 756: SWAP6
 757: POP
 758: POP
 759: POP
 760: POP
 761: POP
 762: POP
 763: PUSH1 0x00
 765: PUSH1 0x40
 767: MLOAD
 768: DUP1
 769: DUP4
 770: SUB
 771: DUP2
 772: PUSH1 0x00
 774: DUP8
 775: PUSH2 0x61da
 778: GAS
 779: SUB
 780: CALL
 781: ISZERO
 782: PUSH2 0x0002
 785: JUMPI
 786: POP
 787: POP
 788: POP
 789: POP
 790: SWAP4
 791: SWAP3
 792: POP
 793: POP
 794: POP
 795: JUMP

===

 796: JUMPDEST
 797: PUSH1 0x05
 799: PUSH1 0x20
 801: SWAP1
 802: DUP2
 803: MSTORE
 804: PUSH1 0x04
 806: CALLDATALOAD
 807: PUSH1 0x00
 809: SWAP1
 810: DUP2
 811: MSTORE
 812: PUSH1 0x40
 814: DUP1
 815: DUP3
 816: SHA3
 817: SWAP1
 818: SWAP3
 819: MSTORE
 820: PUSH1 0x24
 822: CALLDATALOAD
 823: DUP2
 824: MSTORE
 825: SHA3
 826: SLOAD
 827: PUSH2 0x03d5
 830: SWAP1
 831: DUP2
 832: JUMP
 833: JUMPDEST
 834: PUSH1 0x04
 836: PUSH1 0x20
 838: DUP2
 839: DUP2
 840: MSTORE
 841: SWAP1
 842: CALLDATALOAD
 843: PUSH1 0x00
 845: SWAP1
 846: DUP2
 847: MSTORE
 848: PUSH1 0x40
 850: DUP1
 851: DUP3
 852: SHA3
 853: SWAP1
 854: SWAP3
 855: MSTORE
 856: PUSH1 0x24
 858: CALLDATALOAD
 859: DUP2
 860: MSTORE
 861: SHA3
 862: SLOAD
 863: PUSH2 0x03d5
 866: SWAP1
 867: DUP2
 868: JUMP
 869: JUMPDEST
 870: STOP
 871: JUMPDEST
 872: PUSH1 0x40
 874: MLOAD
 875: DUP1
 876: DUP1
 877: PUSH1 0x20
 879: ADD
 880: DUP3
 881: DUP2
 882: SUB
 883: DUP3
 884: MSTORE
 885: DUP4
 886: DUP2
 887: DUP2
 888: MLOAD
 889: DUP2
 890: MSTORE
 891: PUSH1 0x20
 893: ADD
 894: SWAP2
 895: POP
 896: DUP1
 897: MLOAD
 898: SWAP1
 899: PUSH1 0x20
 901: ADD
 902: SWAP1
 903: DUP1
 904: DUP4
 905: DUP4
 906: DUP3
 907: SWAP1
 908: PUSH1 0x00
 910: PUSH1 0x04
 912: PUSH1 0x20
 914: DUP5
 915: PUSH1 0x1f
 917: ADD
 918: DIV
 919: PUSH1 0x0f
 921: MUL
 922: PUSH1 0x03
 924: ADD
 925: CALL
 926: POP
 927: SWAP1
 928: POP
 929: SWAP1
 930: DUP2
 931: ADD
 932: SWAP1
 933: PUSH1 0x1f
 935: AND
 936: DUP1
 937: ISZERO
 938: PUSH2 0x03c7
 941: JUMPI
 942: DUP1
 943: DUP3
 944: SUB
 945: DUP1
 946: MLOAD
 947: PUSH1 0x01
 949: DUP4
 950: PUSH1 0x20
 952: SUB
 953: PUSH2 0x0100
 956: EXP
 957: SUB
 958: NOT
 959: AND
 960: DUP2
 961: MSTORE
 962: PUSH1 0x20
 964: ADD
 965: SWAP2
 966: POP
 967: JUMPDEST
 968: POP
 969: SWAP3
 970: POP
 971: POP
 972: POP
 973: PUSH1 0x40
 975: MLOAD
 976: DUP1
 977: SWAP2
 978: SUB
 979: SWAP1
 980: RETURN
exec
js_repl in /tmp/codex-zsh1ke7u
 succeeded in 2ms:
 981: JUMPDEST
 982: PUSH1 0x40
 984: DUP1
 985: MLOAD
 986: SWAP2
 987: DUP3
 988: MSTORE
 989: MLOAD
 990: SWAP1
 991: DUP2
 992: SWAP1
 993: SUB
 994: PUSH1 0x20
 996: ADD
 997: SWAP1
 998: RETURN
 999: JUMPDEST
1000: PUSH1 0x60
1002: SWAP1
1003: DUP2
1004: MSTORE
1005: PUSH1 0x20
1007: SWAP1
1008: RETURN
1009: JUMPDEST
1010: DUP3
1011: ADD
1012: SWAP2
1013: SWAP1
1014: PUSH1 0x00
1016: MSTORE
1017: PUSH1 0x20
1019: PUSH1 0x00
1021: SHA3
1022: SWAP1
1023: JUMPDEST
1024: DUP2
1025: SLOAD
1026: DUP2
1027: MSTORE
1028: SWAP1
1029: PUSH1 0x01
1031: ADD
1032: SWAP1
1033: PUSH1 0x20
1035: ADD
1036: DUP1
1037: DUP4
1038: GT
1039: PUSH2 0x03ff
1042: JUMPI
1043: DUP3
1044: SWAP1
1045: SUB
1046: PUSH1 0x1f
1048: AND
1049: DUP3
1050: ADD
1051: SWAP2
1052: JUMPDEST
1053: POP
1054: POP
1055: POP
1056: POP
1057: POP
1058: DUP2
1059: JUMP
1060: JUMPDEST
1061: PUSH1 0x01
1063: PUSH1 0xa0
1065: PUSH1 0x02
1067: EXP
1068: SUB
1069: DUP3
1070: AND
1071: PUSH1 0x00
1073: SWAP1
1074: DUP2
1075: MSTORE
1076: PUSH1 0x40
1078: SWAP1
1079: SHA3
1080: SLOAD
1081: DUP1
1082: DUP3
1083: ADD
1084: LT
1085: ISZERO
1086: PUSH2 0x0446
1089: JUMPI
1090: PUSH2 0x0002
1093: JUMP
1094: JUMPDEST
1095: DUP1
1096: PUSH1 0x03
1098: PUSH1 0x00
1100: POP
1101: PUSH1 0x00
1103: CALLER
1104: PUSH1 0x01
1106: PUSH1 0xa0
1108: PUSH1 0x02
1110: EXP
1111: SUB
1112: AND
1113: DUP2
1114: MSTORE
1115: PUSH1 0x20
1117: ADD
1118: SWAP1
1119: DUP2
1120: MSTORE
1121: PUSH1 0x20
1123: ADD
1124: PUSH1 0x00
1126: SHA3
1127: PUSH1 0x00
1129: DUP3
1130: DUP3
1131: DUP3
1132: POP
1133: SLOAD
1134: SUB
1135: SWAP3
1136: POP
1137: POP
1138: DUP2
1139: SWAP1
1140: SSTORE
1141: POP
1142: DUP1
1143: PUSH1 0x03
1145: PUSH1 0x00
1147: POP
1148: PUSH1 0x00
1150: DUP5
1151: PUSH1 0x01
1153: PUSH1 0xa0
1155: PUSH1 0x02
1157: EXP
1158: SUB
1159: AND
1160: DUP2
1161: MSTORE
1162: PUSH1 0x20
1164: ADD
1165: SWAP1
1166: DUP2
1167: MSTORE
1168: PUSH1 0x20
1170: ADD
1171: PUSH1 0x00
1173: SHA3
1174: PUSH1 0x00
1176: DUP3
1177: DUP3
1178: DUP3
1179: POP
1180: SLOAD
1181: ADD
1182: SWAP3
1183: POP
1184: POP
1185: DUP2
1186: SWAP1
1187: SSTORE
1188: POP
1189: DUP2
1190: PUSH1 0x01
1192: PUSH1 0xa0
1194: PUSH1 0x02
1196: EXP
1197: SUB
1198: AND
1199: CALLER
1200: PUSH1 0x01
1202: PUSH1 0xa0
1204: PUSH1 0x02
1206: EXP
1207: SUB
1208: AND
1209: PUSH32 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
1242: DUP4
1243: PUSH1 0x40
1245: MLOAD
1246: DUP1
1247: DUP3
1248: DUP2
1249: MSTORE
1250: PUSH1 0x20
1252: ADD
1253: SWAP2
1254: POP
1255: POP
1256: PUSH1 0x40
1258: MLOAD
1259: DUP1
1260: SWAP2
1261: SUB
1262: SWAP1
1263: LOG3
1264: POP
1265: POP
1266: JUMP
1267: JUMPDEST
1268: PUSH1 0x01
1270: PUSH1 0xa0
1272: PUSH1 0x02
1274: EXP
1275: SUB
1276: DUP4
1277: AND
1278: DUP2
1279: MSTORE
1280: PUSH1 0x40
1282: DUP2
1283: SHA3
1284: SLOAD
1285: DUP1
1286: DUP4
1287: ADD
1288: LT
1289: ISZERO
1290: PUSH2 0x0512
1293: JUMPI
1294: PUSH2 0x0002
1297: JUMP
1298: JUMPDEST
1299: PUSH1 0x01
1301: PUSH1 0xa0
1303: PUSH1 0x02
1305: EXP
1306: SUB
1307: DUP1
1308: DUP6
1309: AND
1310: DUP1
1311: DUP4
1312: MSTORE
1313: PUSH1 0x04
1315: PUSH1 0x20
1317: SWAP1
1318: DUP2
1319: MSTORE
1320: PUSH1 0x40
1322: DUP1
1323: DUP6
1324: SHA3
1325: CALLER
1326: SWAP5
1327: SWAP1
1328: SWAP5
1329: AND
1330: DUP1
1331: DUP7
1332: MSTORE
1333: SWAP4
1334: DUP3
1335: MSTORE
1336: DUP1
1337: DUP6
1338: SHA3
1339: SLOAD
1340: SWAP3
1341: DUP6
1342: MSTORE
1343: PUSH1 0x05
1345: DUP3
1346: MSTORE
1347: DUP1
1348: DUP6
1349: SHA3
1350: SWAP4
1351: DUP6
1352: MSTORE
1353: SWAP3
1354: SWAP1
1355: MSTORE
1356: SWAP1
1357: DUP3
1358: SHA3
1359: SLOAD
1360: DUP4
1361: ADD
1362: GT
1363: ISZERO
1364: PUSH2 0x055c
1367: JUMPI
1368: PUSH2 0x0002
1371: JUMP
1372: JUMPDEST
1373: DUP2
1374: PUSH1 0x03
1376: PUSH1 0x00
1378: POP
1379: PUSH1 0x00
1381: DUP7
1382: PUSH1 0x01
1384: PUSH1 0xa0
1386: PUSH1 0x02
1388: EXP
1389: SUB
1390: AND
1391: DUP2
1392: MSTORE
1393: PUSH1 0x20
1395: ADD
1396: SWAP1
1397: DUP2
1398: MSTORE
1399: PUSH1 0x20
1401: ADD
1402: PUSH1 0x00
1404: SHA3
1405: PUSH1 0x00
1407: DUP3
1408: DUP3
1409: DUP3
1410: POP
1411: SLOAD
1412: SUB
1413: SWAP3
1414: POP
1415: POP
1416: DUP2
1417: SWAP1
1418: SSTORE
1419: POP
1420: DUP2
1421: PUSH1 0x03
1423: PUSH1 0x00
1425: POP
1426: PUSH1 0x00
1428: DUP6
1429: PUSH1 0x01
1431: PUSH1 0xa0
1433: PUSH1 0x02
1435: EXP
1436: SUB
1437: AND
1438: DUP2
1439: MSTORE
1440: PUSH1 0x20
1442: ADD
1443: SWAP1
1444: DUP2
1445: MSTORE
1446: PUSH1 0x20
1448: ADD
1449: PUSH1 0x00
1451: SHA3
1452: PUSH1 0x00
1454: DUP3
1455: DUP3
1456: DUP3
1457: POP
1458: SLOAD
1459: ADD
1460: SWAP3
1461: POP
1462: POP
1463: DUP2
1464: SWAP1
1465: SSTORE
1466: POP
1467: DUP2
1468: PUSH1 0x05
1470: PUSH1 0x00
1472: POP
1473: PUSH1 0x00
1475: DUP7
1476: PUSH1 0x01
1478: PUSH1 0xa0
1480: PUSH1 0x02
1482: EXP
1483: SUB
1484: AND
1485: DUP2
1486: MSTORE
1487: PUSH1 0x20
1489: ADD
1490: SWAP1
1491: DUP2
1492: MSTORE
1493: PUSH1 0x20
1495: ADD
1496: PUSH1 0x00
1498: SHA3
1499: PUSH1 0x00
1501: POP
1502: PUSH1 0x00
1504: CALLER
1505: PUSH1 0x01
1507: PUSH1 0xa0
1509: PUSH1 0x02
1511: EXP
1512: SUB
1513: AND
1514: DUP2
1515: MSTORE
1516: PUSH1 0x20
1518: ADD
1519: SWAP1
1520: DUP2
1521: MSTORE
1522: PUSH1 0x20
1524: ADD
1525: PUSH1 0x00
1527: SHA3
1528: PUSH1 0x00
1530: DUP3
1531: DUP3
1532: DUP3
1533: POP
1534: SLOAD
1535: ADD
1536: SWAP3
1537: POP
1538: POP
1539: DUP2
1540: SWAP1
1541: SSTORE
1542: POP
1543: DUP3
1544: PUSH1 0x01
1546: PUSH1 0xa0
1548: PUSH1 0x02
1550: EXP
1551: SUB
1552: AND
1553: CALLER
1554: PUSH1 0x01
1556: PUSH1 0xa0
1558: PUSH1 0x02
1560: EXP
1561: SUB
1562: AND
1563: PUSH32 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
1596: DUP5
1597: PUSH1 0x40
1599: MLOAD
1600: DUP1
1601: DUP3
1602: DUP2
1603: MSTORE
1604: PUSH1 0x20
1606: ADD
1607: SWAP2
1608: POP
1609: POP
1610: PUSH1 0x40
1612: MLOAD
1613: DUP1
1614: SWAP2
1615: SUB
1616: SWAP1
1617: LOG3
1618: SWAP4
1619: SWAP3
1620: POP
1621: POP
1622: POP
1623: JUMP
exec
js_repl in /tmp/codex-zsh1ke7u
 succeeded in 5ms:
 119: JUMPDEST
 120: PUSH2 0x0365
 123: PUSH2 0x0002
 126: JUMP
 127: JUMPDEST
 128: PUSH2 0x0367
 131: PUSH1 0x00
 133: DUP1
 134: SLOAD
 135: PUSH1 0x20
 137: PUSH1 0x02
 139: PUSH1 0x01
 141: DUP4
 142: AND
 143: ISZERO
 144: PUSH2 0x0100
 147: MUL
 148: PUSH1 0x00
 150: NOT
 151: ADD
 152: SWAP1
 153: SWAP3
 154: AND
 155: SWAP2
 156: SWAP1
 157: SWAP2
 158: DIV
 159: PUSH1 0x1f
 161: DUP2
 162: ADD
 163: DUP3
 164: SWAP1
 165: DIV
 166: SWAP1
 167: SWAP2
 168: MUL
 169: PUSH1 0x80
 171: SWAP1
 172: DUP2
 173: ADD
 174: PUSH1 0x40
 176: MSTORE
 177: PUSH1 0x60
 179: DUP3
 180: DUP2
 181: MSTORE
 182: SWAP3
 183: SWAP2
 184: SWAP1
 185: DUP3
 186: DUP3
 187: DUP1
 188: ISZERO
 189: PUSH2 0x041c
 192: JUMPI
 193: DUP1
 194: PUSH1 0x1f
 196: LT
 197: PUSH2 0x03f1
 200: JUMPI
 201: PUSH2 0x0100
 204: DUP1
 205: DUP4
 206: SLOAD
 207: DIV
 208: MUL
 209: DUP4
 210: MSTORE
 211: SWAP2
 212: PUSH1 0x20
 214: ADD
 215: SWAP2
 216: PUSH2 0x041c
 219: JUMP
 220: JUMPDEST
 221: PUSH2 0x03d5
 224: PUSH1 0x04
 226: CALLDATALOAD
 227: PUSH1 0x24
 229: CALLDATALOAD
 230: PUSH1 0x44
 232: CALLDATALOAD
 233: PUSH1 0x01
 235: PUSH1 0xa0
 237: PUSH1 0x02
 239: EXP
 240: SUB
 241: DUP4
 242: AND
 243: PUSH1 0x00
 245: SWAP1
 246: DUP2
 247: MSTORE
 248: PUSH1 0x03
 250: PUSH1 0x20
 252: MSTORE
 253: PUSH1 0x40
 255: DUP2
 256: SHA3
 257: SLOAD
 258: DUP3
 259: SWAP1
 260: LT
 261: ISZERO
 262: PUSH2 0x04f3
 265: JUMPI
 266: PUSH2 0x0002
 269: JUMP
 270: JUMPDEST
 271: PUSH2 0x03e7
 274: PUSH1 0x02
 276: SLOAD
 277: PUSH1 0xff
 279: AND
 280: DUP2
 281: JUMP
 282: JUMPDEST
 283: PUSH2 0x03d5
 286: PUSH1 0x04
 288: CALLDATALOAD
 289: PUSH1 0x03
 291: PUSH1 0x20
 293: MSTORE
 294: PUSH1 0x00
 296: SWAP1
 297: DUP2
 298: MSTORE
 299: PUSH1 0x40
 301: SWAP1
 302: SHA3
 303: SLOAD
 304: DUP2
 305: JUMP
 306: JUMPDEST
 307: PUSH2 0x0367
 310: PUSH1 0x01
 312: DUP1
 313: SLOAD
 314: PUSH1 0x20
 316: PUSH1 0x02
 318: DUP3
 319: DUP5
 320: AND
 321: ISZERO
 322: PUSH2 0x0100
 325: MUL
 326: PUSH1 0x00
 328: NOT
 329: ADD
 330: SWAP1
 331: SWAP3
 332: AND
 333: SWAP2
 334: SWAP1
 335: SWAP2
 336: DIV
 337: PUSH1 0x1f
 339: DUP2
 340: ADD
 341: DUP3
 342: SWAP1
 343: DIV
 344: SWAP1
 345: SWAP2
 346: MUL
 347: PUSH1 0x80
 349: SWAP1
 350: DUP2
 351: ADD
 352: PUSH1 0x40
 354: MSTORE
 355: PUSH1 0x60
 357: DUP3
 358: DUP2
 359: MSTORE
 360: SWAP3
 361: SWAP2
 362: SWAP1
 363: DUP3
 364: DUP3
 365: DUP1
 366: ISZERO
 367: PUSH2 0x041c
 370: JUMPI
 371: DUP1
 372: PUSH1 0x1f
 374: LT
 375: PUSH2 0x03f1
 378: JUMPI
 379: PUSH2 0x0100
 382: DUP1
 383: DUP4
 384: SLOAD
 385: DIV
 386: MUL
 387: DUP4
 388: MSTORE
 389: SWAP2
 390: PUSH1 0x20
 392: ADD
 393: SWAP2
 394: PUSH2 0x041c
 397: JUMP
 398: JUMPDEST
exec
js_repl in /tmp/codex-zsh1ke7u
 succeeded in 1ms:
  75: DUP1
  76: PUSH4 0xa9059cbb
  81: EQ
  82: PUSH2 0x018e
  85: JUMPI
  86: DUP1
  87: PUSH4 0xcae9ca51
  92: EQ
  93: PUSH2 0x01bd
  96: JUMPI
  97: DUP1
  98: PUSH4 0xdc3080f2
 103: EQ
 104: PUSH2 0x031c
 107: JUMPI
 108: DUP1
 109: PUSH4 0xdd62ed3e
 114: EQ
 115: PUSH2 0x0341
 118: JUMPI
exec
js_repl in /tmp/codex-zsh1ke7u
 succeeded in 15ms:
unhandled 445 JUMPDEST stack top [ 'ret_pc' ]
final stack [ 'ret_pc' ]
exec
js_repl in /tmp/codex-zsh1ke7u
 succeeded in 29ms:
CALLDATACOPY 0x80 add(cd[0x44],0x24) cd[add(cd[0x44],0x04)]
SSTORE at 587 slot sha3(add(add(0x00,0x20),0x20),0x00) val cd[0x24]
CALL at 712 {
  gas: 'add(mul(div(0x20,add(cd[add(cd[0x44],0x04)],0x1f)),0x0f),0x03)',
  to: '0x04',
  value: '0x00',
  inOff: 'add(0x60,0x20)',
  inSize: 'cd[add(cd[0x44],0x04)]',
  outOff: 'add(add(add(add(add(add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04),0x20),0x20),0x20),0x20),0x20)',
  outSize: 'cd[add(cd[0x44],0x04)]'
}
JUMPI 728 dest 0x02f2 cond iszero(and(cd[add(cd[0x44],0x04)],0x1f))
unhandled 745 NOT stack [
  '0x03d5',
  'cd[0x04]',
  'cd[0x24]',
  '0x60',
  '0x00',
  'cd[0x04]',
  'and(cd[0x04],sub(0x01,exp(0xa0,0x02)))',
  '0x8f4ffcb1',
  'caller',
  'cd[0x24]',
  'address(this)',
  '0x60',
  'add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04)',
  'add(add(add(add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04),0x20),0x20),0x20)',
  'add(add(add(add(add(add(add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04),0x20),0x20),0x20),0x20),0x20),cd[add(cd[0x44],0x04)])',
  'and(cd[add(cd[0x44],0x04)],0x1f)',
  'sub(and(cd[add(cd[0x44],0x04)],0x1f),add(add(add(add(add(add(add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04),0x20),0x20),0x20),0x20),0x20),cd[add(cd[0x44],0x04)]))',
  'm[sub(and(cd[add(cd[0x44],0x04)],0x1f),add(add(add(add(add(add(add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04),0x20),0x20),0x20),0x20),0x20),cd[add(cd[0x44],0x04)]))]',
  'sub(0x01,exp(sub(and(cd[add(cd[0x44],0x04)],0x1f),0x20),0x0100))'
]
end stack [
  '0x03d5',
  'cd[0x04]',
  'cd[0x24]',
  '0x60',
  '0x00',
  'cd[0x04]',
  'and(cd[0x04],sub(0x01,exp(0xa0,0x02)))',
  '0x8f4ffcb1',
  'caller',
  'cd[0x24]',
  'address(this)',
  '0x60',
  'add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04)',
  'add(add(add(add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04),0x20),0x20),0x20)',
  'add(add(add(add(add(add(add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04),0x20),0x20),0x20),0x20),0x20),cd[add(cd[0x44],0x04)])',
  'and(cd[add(cd[0x44],0x04)],0x1f)',
  'sub(and(cd[add(cd[0x44],0x04)],0x1f),add(add(add(add(add(add(add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04),0x20),0x20),0x20),0x20),0x20),cd[add(cd[0x44],0x04)]))',
  'm[sub(and(cd[add(cd[0x44],0x04)],0x1f),add(add(add(add(add(add(add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04),0x20),0x20),0x20),0x20),0x20),cd[add(cd[0x44],0x04)]))]',
  'sub(0x01,exp(sub(and(cd[add(cd[0x44],0x04)],0x1f),0x20),0x0100))'
]
exec
js_repl in /tmp/codex-zsh1ke7u
 succeeded in 7ms:
CALLDATACOPY 0x80 add(cd[0x44],0x24) cd[add(cd[0x44],0x04)]
SSTORE at 587 slot sha3(add(add(0x00,0x20),0x20),0x00) val cd[0x24]
CALL at 712 {
  gas: 'add(mul(div(0x20,add(cd[add(cd[0x44],0x04)],0x1f)),0x0f),0x03)',
  to: '0x04',
  value: '0x00',
  inOff: 'add(0x60,0x20)',
  inSize: 'cd[add(cd[0x44],0x04)]',
  outOff: 'add(add(add(add(add(add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04),0x20),0x20),0x20),0x20),0x20)',
  outSize: 'cd[add(cd[0x44],0x04)]'
}
JUMPI 728 dest 0x02f2 cond iszero(and(cd[add(cd[0x44],0x04)],0x1f))
CALL at 780 {
  gas: 'sub(0x61da,gas())',
  to: 'and(cd[0x04],sub(0x01,exp(0xa0,0x02)))',
  value: '0x00',
  inOff: 'add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80)',
  inSize: 'sub(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),add(sub(and(cd[add(cd[0x44],0x04)],0x1f),add(add(add(add(add(add(add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04),0x20),0x20),0x20),0x20),0x20),cd[add(cd[0x44],0x04)])),0x20))',
  outOff: 'add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80)',
  outSize: '0x00'
}
end stack [
  '0x03d5',
  'cd[0x04]',
  'cd[0x24]',
  '0x60',
  '0x00',
  'cd[0x04]',
  'and(cd[0x04],sub(0x01,exp(0xa0,0x02)))',
  '0x8f4ffcb1',
  'add(sub(and(cd[add(cd[0x44],0x04)],0x1f),add(add(add(add(add(add(add(add(mul(div(0x20,add(0x1f,cd[add(cd[0x44],0x04)])),0x20),0x80),0x04),0x20),0x20),0x20),0x20),0x20),cd[add(cd[0x44],0x04)])),0x20)',
  'call_result@780'
]
codex
{"no_findings":false,"summary":"ERC20-like runtime bytecode with custom approval/callback logic. No proxy/delegatecall path was evident from the bundle. The meaningful issues are a non-standard two-slot allowance model that makes `allowance()` over-report spendable value, and an `approveAndCall`-style external callback that can reenter after approval is written.","findings":[{"severity":"medium","category":"other","title":"`allowance()` appears to report approved ceiling, not remaining spendable allowance","exploit_scenario":"A wallet, DEX, or vault reads `allowance(owner, spender)` via `0xdd62ed3e` and believes that full amount is still spendable. If the spender has already consumed part of the approval, `transferFrom` can still revert because the contract also tracks a separate spent counter. This can break pull-based integrations, leave approvals seemingly usable when they are not, and make allowance changes behave unexpectedly unless an integrator knows about the custom second mapping.","recommendation":"If this contract must present an ERC20-compatible surface, make `allowance()` return remaining allowance, or decrement the same allowance slot that `allowance()` reads. At minimum, document the non-standard behavior prominently and require integrators to account for the extra spent-allowance state (best-effort inferred from selector `0xdc3080f2`).","evidence":"Best-effort bytecode inference shows `0xdd62ed3e` reading only one nested mapping rooted at slot `0x04` (`pc:0x35e`). In `0x23b872dd`, the transferFrom path reads slot `0x04` (`pc:0x53b`) and a second nested mapping rooted at slot `0x05` (`pc:0x54f`), checks the combination, then updates slot `0x05` at `pc:0x605` instead of decrementing slot `0x04`. That implies standard `allowance()` does not expose the true remaining spendable amount.","locations":["selector:0xdd62ed3e","selector:0x23b872dd","selector:0xdc3080f2","pc:0x35e","pc:0x53b","pc:0x54f","pc:0x605"]},{"severity":"low","category":"reentrancy","title":"Approval callback performs a full-gas external call after writing approval","exploit_scenario":"If selector `0xcae9ca51` is the expected `approveAndCall(address,uint256,bytes)`-style entrypoint, a malicious spender contract can receive the callback and immediately reenter the token using the just-written approval before the outer call returns. From the bytecode alone, this looks intentional, but any integrator assuming the callback is non-reentrant could be surprised.","recommendation":"Treat this entrypoint as reentrant-by-design. Avoid using it with untrusted spender contracts. If behavior can be changed, add an explicit reentrancy guard or refactor so callbacks cannot observe freshly written approval without tighter controls.","evidence":"Selector `0xcae9ca51` accepts calldata shaped like `(address,uint256,bytes)` and writes to the allowance-like mapping at `pc:0x24b`. It then builds calldata containing selector `0x8f4ffcb1` at `pc:0x25a` and performs a low-level `CALL` to the calldata-derived target at `pc:0x30c`, with no detected guard. The other CALLs at `pc:0x2c8`/`pc:0x39d` are consistent with identity-precompile/string-copy helpers and are lower concern.","locations":["selector:0xcae9ca51","pc:0x24b","pc:0x25a","pc:0x30c"]}]}
tokens used
70,225
Metadata
{
    "codex": {
        "ran_at": "2026-04-05T04:40:26.286238+00:00",
        "returncode": 0
    },
    "project": {
        "mode": "bytecode",
        "bytecode_length": 3250,
        "bytecode_truncated": false,
        "capability_graph_present": true,
        "analysis_artifact_present": true
    },
    "summary": "ERC20-like runtime bytecode with custom approval/callback logic. No proxy/delegatecall path was evident from the bundle. The meaningful issues are a non-standard two-slot allowance model that makes `allowance()` over-report spendable value, and an `approveAndCall`-style external callback that can reenter after approval is written.",
    "raw_final": {
        "summary": "ERC20-like runtime bytecode with custom approval/callback logic. No proxy/delegatecall path was evident from the bundle. The meaningful issues are a non-standard two-slot allowance model that makes `allowance()` over-report spendable value, and an `approveAndCall`-style external callback that can reenter after approval is written.",
        "findings": [
            {
                "title": "`allowance()` appears to report approved ceiling, not remaining spendable allowance",
                "category": "other",
                "evidence": "Best-effort bytecode inference shows `0xdd62ed3e` reading only one nested mapping rooted at slot `0x04` (`pc:0x35e`). In `0x23b872dd`, the transferFrom path reads slot `0x04` (`pc:0x53b`) and a second nested mapping rooted at slot `0x05` (`pc:0x54f`), checks the combination, then updates slot `0x05` at `pc:0x605` instead of decrementing slot `0x04`. That implies standard `allowance()` does not expose the true remaining spendable amount.",
                "severity": "medium",
                "locations": [
                    "selector:0xdd62ed3e",
                    "selector:0x23b872dd",
                    "selector:0xdc3080f2",
                    "pc:0x35e",
                    "pc:0x53b",
                    "pc:0x54f",
                    "pc:0x605"
                ],
                "recommendation": "If this contract must present an ERC20-compatible surface, make `allowance()` return remaining allowance, or decrement the same allowance slot that `allowance()` reads. At minimum, document the non-standard behavior prominently and require integrators to account for the extra spent-allowance state (best-effort inferred from selector `0xdc3080f2`).",
                "exploit_scenario": "A wallet, DEX, or vault reads `allowance(owner, spender)` via `0xdd62ed3e` and believes that full amount is still spendable. If the spender has already consumed part of the approval, `transferFrom` can still revert because the contract also tracks a separate spent counter. This can break pull-based integrations, leave approvals seemingly usable when they are not, and make allowance changes behave unexpectedly unless an integrator knows about the custom second mapping."
            },
            {
                "title": "Approval callback performs a full-gas external call after writing approval",
                "category": "reentrancy",
                "evidence": "Selector `0xcae9ca51` accepts calldata shaped like `(address,uint256,bytes)` and writes to the allowance-like mapping at `pc:0x24b`. It then builds calldata containing selector `0x8f4ffcb1` at `pc:0x25a` and performs a low-level `CALL` to the calldata-derived target at `pc:0x30c`, with no detected guard. The other CALLs at `pc:0x2c8`/`pc:0x39d` are consistent with identity-precompile/string-copy helpers and are lower concern.",
                "severity": "low",
                "locations": [
                    "selector:0xcae9ca51",
                    "pc:0x24b",
                    "pc:0x25a",
                    "pc:0x30c"
                ],
                "recommendation": "Treat this entrypoint as reentrant-by-design. Avoid using it with untrusted spender contracts. If behavior can be changed, add an explicit reentrancy guard or refactor so callbacks cannot observe freshly written approval without tighter controls.",
                "exploit_scenario": "If selector `0xcae9ca51` is the expected `approveAndCall(address,uint256,bytes)`-style entrypoint, a malicious spender contract can receive the callback and immediately reenter the token using the just-written approval before the outer call returns. From the bytecode alone, this looks intentional, but any integrator assuming the callback is non-reentrant could be surprised."
            }
        ],
        "no_findings": false
    },
    "no_findings": false,
    "schema_version": 1
}

Opcode Heuristics

tool.cast_disasm
Delegatecall
0
Selfdestruct
0
CREATE2
0
CALL-family (heavy)
3
EXT*/BALANCE
0
Total opcodes
1183
Flags
No heuristic flags raised.
View cast disassembly output
00000000: PUSH1 0x60
00000002: PUSH1 0x40
00000004: MSTORE
00000005: CALLDATASIZE
00000006: ISZERO
00000007: PUSH2 0x0077
0000000a: JUMPI
0000000b: PUSH1 0xe0
0000000d: PUSH1 0x02
0000000f: EXP
00000010: PUSH1 0x00
00000012: CALLDATALOAD
00000013: DIV
00000014: PUSH4 0x06fdde03
00000019: DUP2
0000001a: EQ
0000001b: PUSH2 0x007f
0000001e: JUMPI
0000001f: DUP1
00000020: PUSH4 0x23b872dd
00000025: EQ
00000026: PUSH2 0x00dc
00000029: JUMPI
0000002a: DUP1
0000002b: PUSH4 0x313ce567
00000030: EQ
00000031: PUSH2 0x010e
00000034: JUMPI
00000035: DUP1
00000036: PUSH4 0x70a08231
0000003b: EQ
0000003c: PUSH2 0x011a
0000003f: JUMPI
00000040: DUP1
00000041: PUSH4 0x95d89b41
00000046: EQ
00000047: PUSH2 0x0132
0000004a: JUMPI
0000004b: DUP1
0000004c: PUSH4 0xa9059cbb
00000051: EQ
00000052: PUSH2 0x018e
00000055: JUMPI
00000056: DUP1
00000057: PUSH4 0xcae9ca51
0000005c: EQ
0000005d: PUSH2 0x01bd
00000060: JUMPI
00000061: DUP1
00000062: PUSH4 0xdc3080f2
00000067: EQ
00000068: PUSH2 0x031c
0000006b: JUMPI
0000006c: DUP1
0000006d: PUSH4 0xdd62ed3e
00000072: EQ
00000073: PUSH2 0x0341
00000076: JUMPI
00000077: JUMPDEST
00000078: PUSH2 0x0365
0000007b: PUSH2 0x0002
0000007e: JUMP
0000007f: JUMPDEST
00000080: PUSH2 0x0367
00000083: PUSH1 0x00
00000085: DUP1
00000086: SLOAD
00000087: PUSH1 0x20
00000089: PUSH1 0x02
0000008b: PUSH1 0x01
0000008d: DUP4
0000008e: AND
0000008f: ISZERO
00000090: PUSH2 0x0100
00000093: MUL
00000094: PUSH1 0x00
00000096: NOT
00000097: ADD
00000098: SWAP1
00000099: SWAP3
0000009a: AND
0000009b: SWAP2
0000009c: SWAP1
0000009d: SWAP2
0000009e: DIV
0000009f: PUSH1 0x1f
000000a1: DUP2
000000a2: ADD
000000a3: DUP3
000000a4: SWAP1
000000a5: DIV
000000a6: SWAP1
000000a7: SWAP2
000000a8: MUL
000000a9: PUSH1 0x80
000000ab: SWAP1
000000ac: DUP2
000000ad: ADD
000000ae: PUSH1 0x40
000000b0: MSTORE
000000b1: PUSH1 0x60
000000b3: DUP3
000000b4: DUP2
000000b5: MSTORE
000000b6: SWAP3
000000b7: SWAP2
000000b8: SWAP1
000000b9: DUP3
000000ba: DUP3
000000bb: DUP1
000000bc: ISZERO
000000bd: PUSH2 0x041c
000000c0: JUMPI
000000c1: DUP1
000000c2: PUSH1 0x1f
000000c4: LT
000000c5: PUSH2 0x03f1
000000c8: JUMPI
000000c9: PUSH2 0x0100
000000cc: DUP1
000000cd: DUP4
000000ce: SLOAD
000000cf: DIV
000000d0: MUL
000000d1: DUP4
000000d2: MSTORE
000000d3: SWAP2
000000d4: PUSH1 0x20
000000d6: ADD
000000d7: SWAP2
000000d8: PUSH2 0x041c
000000db: JUMP
000000dc: JUMPDEST
000000dd: PUSH2 0x03d5
000000e0: PUSH1 0x04
000000e2: CALLDATALOAD
000000e3: PUSH1 0x24
000000e5: CALLDATALOAD
000000e6: PUSH1 0x44
000000e8: CALLDATALOAD
000000e9: PUSH1 0x01
000000eb: PUSH1 0xa0
000000ed: PUSH1 0x02
000000ef: EXP
000000f0: SUB
000000f1: DUP4
000000f2: AND
000000f3: PUSH1 0x00
000000f5: SWAP1
000000f6: DUP2
000000f7: MSTORE
000000f8: PUSH1 0x03
000000fa: PUSH1 0x20
000000fc: MSTORE
000000fd: PUSH1 0x40
000000ff: DUP2
00000100: KECCAK256
00000101: SLOAD
00000102: DUP3
00000103: SWAP1
00000104: LT
00000105: ISZERO
00000106: PUSH2 0x04f3
00000109: JUMPI
0000010a: PUSH2 0x0002
0000010d: JUMP
0000010e: JUMPDEST
0000010f: PUSH2 0x03e7
00000112: PUSH1 0x02
00000114: SLOAD
00000115: PUSH1 0xff
00000117: AND
00000118: DUP2
00000119: JUMP
0000011a: JUMPDEST
0000011b: PUSH2 0x03d5
0000011e: PUSH1 0x04
00000120: CALLDATALOAD
00000121: PUSH1 0x03
00000123: PUSH1 0x20
00000125: MSTORE
00000126: PUSH1 0x00
00000128: SWAP1
00000129: DUP2
0000012a: MSTORE
0000012b: PUSH1 0x40
0000012d: SWAP1
0000012e: KECCAK256
0000012f: SLOAD
00000130: DUP2
00000131: JUMP
00000132: JUMPDEST
00000133: PUSH2 0x0367
00000136: PUSH1 0x01
00000138: DUP1
00000139: SLOAD
0000013a: PUSH1 0x20
0000013c: PUSH1 0x02
0000013e: DUP3
0000013f: DUP5
00000140: AND
00000141: ISZERO
00000142: PUSH2 0x0100
00000145: MUL
00000146: PUSH1 0x00
00000148: NOT
00000149: ADD
0000014a: SWAP1
0000014b: SWAP3
0000014c: AND
0000014d: SWAP2
0000014e: SWAP1
0000014f: SWAP2
00000150: DIV
00000151: PUSH1 0x1f
00000153: DUP2
00000154: ADD
00000155: DUP3
00000156: SWAP1
00000157: DIV
00000158: SWAP1
00000159: SWAP2
0000015a: MUL
0000015b: PUSH1 0x80
0000015d: SWAP1
0000015e: DUP2
0000015f: ADD
00000160: PUSH1 0x40
00000162: MSTORE
00000163: PUSH1 0x60
00000165: DUP3
00000166: DUP2
00000167: MSTORE
00000168: SWAP3
00000169: SWAP2
0000016a: SWAP1
0000016b: DUP3
0000016c: DUP3
0000016d: DUP1
0000016e: ISZERO
0000016f: PUSH2 0x041c
00000172: JUMPI
00000173: DUP1
00000174: PUSH1 0x1f
00000176: LT
00000177: PUSH2 0x03f1
0000017a: JUMPI
0000017b: PUSH2 0x0100
0000017e: DUP1
0000017f: DUP4
00000180: SLOAD
00000181: DIV
00000182: MUL
00000183: DUP4
00000184: MSTORE
00000185: SWAP2
00000186: PUSH1 0x20
00000188: ADD
00000189: SWAP2
0000018a: PUSH2 0x041c
0000018d: JUMP
0000018e: JUMPDEST
0000018f: PUSH2 0x0365
00000192: PUSH1 0x04
00000194: CALLDATALOAD
00000195: PUSH1 0x24
00000197: CALLDATALOAD
00000198: PUSH1 0x01
0000019a: PUSH1 0xa0
0000019c: PUSH1 0x02
0000019e: EXP
0000019f: SUB
000001a0: CALLER
000001a1: AND
000001a2: PUSH1 0x00
000001a4: SWAP1
000001a5: DUP2
000001a6: MSTORE
000001a7: PUSH1 0x03
000001a9: PUSH1 0x20
000001ab: MSTORE
000001ac: PUSH1 0x40
000001ae: SWAP1
000001af: KECCAK256
000001b0: SLOAD
000001b1: DUP2
000001b2: SWAP1
000001b3: LT
000001b4: ISZERO
000001b5: PUSH2 0x0424
000001b8: JUMPI
000001b9: PUSH2 0x0002
000001bc: JUMP
000001bd: JUMPDEST
000001be: PUSH1 0x80
000001c0: PUSH1 0x20
000001c2: PUSH1 0x44
000001c4: CALLDATALOAD
000001c5: PUSH1 0x04
000001c7: DUP2
000001c8: DUP2
000001c9: ADD
000001ca: CALLDATALOAD
000001cb: PUSH1 0x1f
000001cd: DUP2
000001ce: ADD
000001cf: DUP5
000001d0: SWAP1
000001d1: DIV
000001d2: SWAP1
000001d3: SWAP4
000001d4: MUL
000001d5: DUP5
000001d6: ADD
000001d7: PUSH1 0x40
000001d9: MSTORE
000001da: PUSH1 0x60
000001dc: DUP4
000001dd: DUP2
000001de: MSTORE
000001df: PUSH2 0x03d5
000001e2: SWAP5
000001e3: DUP3
000001e4: CALLDATALOAD
000001e5: SWAP5
000001e6: PUSH1 0x24
000001e8: DUP1
000001e9: CALLDATALOAD
000001ea: SWAP6
000001eb: PUSH1 0x64
000001ed: SWAP5
000001ee: SWAP4
000001ef: SWAP2
000001f0: ADD
000001f1: SWAP2
000001f2: SWAP1
000001f3: DUP2
000001f4: SWAP1
000001f5: DUP4
000001f6: DUP3
000001f7: DUP1
000001f8: DUP3
000001f9: DUP5
000001fa: CALLDATACOPY
000001fb: POP
000001fc: SWAP5
000001fd: SWAP7
000001fe: POP
000001ff: POP
00000200: POP
00000201: POP
00000202: POP
00000203: POP
00000204: POP
00000205: PUSH1 0x00
00000207: PUSH1 0x00
00000209: DUP4
0000020a: PUSH1 0x04
0000020c: PUSH1 0x00
0000020e: POP
0000020f: PUSH1 0x00
00000211: CALLER
00000212: PUSH1 0x01
00000214: PUSH1 0xa0
00000216: PUSH1 0x02
00000218: EXP
00000219: SUB
0000021a: AND
0000021b: DUP2
0000021c: MSTORE
0000021d: PUSH1 0x20
0000021f: ADD
00000220: SWAP1
00000221: DUP2
00000222: MSTORE
00000223: PUSH1 0x20
00000225: ADD
00000226: PUSH1 0x00
00000228: KECCAK256
00000229: PUSH1 0x00
0000022b: POP
0000022c: PUSH1 0x00
0000022e: DUP8
0000022f: PUSH1 0x01
00000231: PUSH1 0xa0
00000233: PUSH1 0x02
00000235: EXP
00000236: SUB
00000237: AND
00000238: DUP2
00000239: MSTORE
0000023a: PUSH1 0x20
0000023c: ADD
0000023d: SWAP1
0000023e: DUP2
0000023f: MSTORE
00000240: PUSH1 0x20
00000242: ADD
00000243: PUSH1 0x00
00000245: KECCAK256
00000246: PUSH1 0x00
00000248: POP
00000249: DUP2
0000024a: SWAP1
0000024b: SSTORE
0000024c: POP
0000024d: DUP5
0000024e: SWAP1
0000024f: POP
00000250: DUP1
00000251: PUSH1 0x01
00000253: PUSH1 0xa0
00000255: PUSH1 0x02
00000257: EXP
00000258: SUB
00000259: AND
0000025a: PUSH4 0x8f4ffcb1
0000025f: CALLER
00000260: DUP7
00000261: ADDRESS
00000262: DUP8
00000263: PUSH1 0x40
00000265: MLOAD
00000266: DUP6
00000267: PUSH1 0xe0
00000269: PUSH1 0x02
0000026b: EXP
0000026c: MUL
0000026d: DUP2
0000026e: MSTORE
0000026f: PUSH1 0x04
00000271: ADD
00000272: DUP1
00000273: DUP6
00000274: PUSH1 0x01
00000276: PUSH1 0xa0
00000278: PUSH1 0x02
0000027a: EXP
0000027b: SUB
0000027c: AND
0000027d: DUP2
0000027e: MSTORE
0000027f: PUSH1 0x20
00000281: ADD
00000282: DUP5
00000283: DUP2
00000284: MSTORE
00000285: PUSH1 0x20
00000287: ADD
00000288: DUP4
00000289: PUSH1 0x01
0000028b: PUSH1 0xa0
0000028d: PUSH1 0x02
0000028f: EXP
00000290: SUB
00000291: AND
00000292: DUP2
00000293: MSTORE
00000294: PUSH1 0x20
00000296: ADD
00000297: DUP1
00000298: PUSH1 0x20
0000029a: ADD
0000029b: DUP3
0000029c: DUP2
0000029d: SUB
0000029e: DUP3
0000029f: MSTORE
000002a0: DUP4
000002a1: DUP2
000002a2: DUP2
000002a3: MLOAD
000002a4: DUP2
000002a5: MSTORE
000002a6: PUSH1 0x20
000002a8: ADD
000002a9: SWAP2
000002aa: POP
000002ab: DUP1
000002ac: MLOAD
000002ad: SWAP1
000002ae: PUSH1 0x20
000002b0: ADD
000002b1: SWAP1
000002b2: DUP1
000002b3: DUP4
000002b4: DUP4
000002b5: DUP3
000002b6: SWAP1
000002b7: PUSH1 0x00
000002b9: PUSH1 0x04
000002bb: PUSH1 0x20
000002bd: DUP5
000002be: PUSH1 0x1f
000002c0: ADD
000002c1: DIV
000002c2: PUSH1 0x0f
000002c4: MUL
000002c5: PUSH1 0x03
000002c7: ADD
000002c8: CALL
000002c9: POP
000002ca: SWAP1
000002cb: POP
000002cc: SWAP1
000002cd: DUP2
000002ce: ADD
000002cf: SWAP1
000002d0: PUSH1 0x1f
000002d2: AND
000002d3: DUP1
000002d4: ISZERO
000002d5: PUSH2 0x02f2
000002d8: JUMPI
000002d9: DUP1
000002da: DUP3
000002db: SUB
000002dc: DUP1
000002dd: MLOAD
000002de: PUSH1 0x01
000002e0: DUP4
000002e1: PUSH1 0x20
000002e3: SUB
000002e4: PUSH2 0x0100
000002e7: EXP
000002e8: SUB
000002e9: NOT
000002ea: AND
000002eb: DUP2
000002ec: MSTORE
000002ed: PUSH1 0x20
000002ef: ADD
000002f0: SWAP2
000002f1: POP
000002f2: JUMPDEST
000002f3: POP
000002f4: SWAP6
000002f5: POP
000002f6: POP
000002f7: POP
000002f8: POP
000002f9: POP
000002fa: POP
000002fb: PUSH1 0x00
000002fd: PUSH1 0x40
000002ff: MLOAD
00000300: DUP1
00000301: DUP4
00000302: SUB
00000303: DUP2
00000304: PUSH1 0x00
00000306: DUP8
00000307: PUSH2 0x61da
0000030a: GAS
0000030b: SUB
0000030c: CALL
0000030d: ISZERO
0000030e: PUSH2 0x0002
00000311: JUMPI
00000312: POP
00000313: POP
00000314: POP
00000315: POP
00000316: SWAP4
00000317: SWAP3
00000318: POP
00000319: POP
0000031a: POP
0000031b: JUMP
0000031c: JUMPDEST
0000031d: PUSH1 0x05
0000031f: PUSH1 0x20
00000321: SWAP1
00000322: DUP2
00000323: MSTORE
00000324: PUSH1 0x04
00000326: CALLDATALOAD
00000327: PUSH1 0x00
00000329: SWAP1
0000032a: DUP2
0000032b: MSTORE
0000032c: PUSH1 0x40
0000032e: DUP1
0000032f: DUP3
00000330: KECCAK256
00000331: SWAP1
00000332: SWAP3
00000333: MSTORE
00000334: PUSH1 0x24
00000336: CALLDATALOAD
00000337: DUP2
00000338: MSTORE
00000339: KECCAK256
0000033a: SLOAD
0000033b: PUSH2 0x03d5
0000033e: SWAP1
0000033f: DUP2
00000340: JUMP
00000341: JUMPDEST
00000342: PUSH1 0x04
00000344: PUSH1 0x20
00000346: DUP2
00000347: DUP2
00000348: MSTORE
00000349: SWAP1
0000034a: CALLDATALOAD
0000034b: PUSH1 0x00
0000034d: SWAP1
0000034e: DUP2
0000034f: MSTORE
00000350: PUSH1 0x40
00000352: DUP1
00000353: DUP3
00000354: KECCAK256
00000355: SWAP1
00000356: SWAP3
00000357: MSTORE
00000358: PUSH1 0x24
0000035a: CALLDATALOAD
0000035b: DUP2
0000035c: MSTORE
0000035d: KECCAK256
0000035e: SLOAD
0000035f: PUSH2 0x03d5
00000362: SWAP1
00000363: DUP2
00000364: JUMP
00000365: JUMPDEST
00000366: STOP
00000367: JUMPDEST
00000368: PUSH1 0x40
0000036a: MLOAD
0000036b: DUP1
0000036c: DUP1
0000036d: PUSH1 0x20
0000036f: ADD
00000370: DUP3
00000371: DUP2
00000372: SUB
00000373: DUP3
00000374: MSTORE
00000375: DUP4
00000376: DUP2
00000377: DUP2
00000378: MLOAD
00000379: DUP2
0000037a: MSTORE
0000037b: PUSH1 0x20
0000037d: ADD
0000037e: SWAP2
0000037f: POP
00000380: DUP1
00000381: MLOAD
00000382: SWAP1
00000383: PUSH1 0x20
00000385: ADD
00000386: SWAP1
00000387: DUP1
00000388: DUP4
00000389: DUP4
0000038a: DUP3
0000038b: SWAP1
0000038c: PUSH1 0x00
0000038e: PUSH1 0x04
00000390: PUSH1 0x20
00000392: DUP5
00000393: PUSH1 0x1f
00000395: ADD
00000396: DIV
00000397: PUSH1 0x0f
00000399: MUL
0000039a: PUSH1 0x03
0000039c: ADD
0000039d: CALL
0000039e: POP
0000039f: SWAP1
000003a0: POP
000003a1: SWAP1
000003a2: DUP2
000003a3: ADD
000003a4: SWAP1
000003a5: PUSH1 0x1f
000003a7: AND
000003a8: DUP1
000003a9: ISZERO
000003aa: PUSH2 0x03c7
000003ad: JUMPI
000003ae: DUP1
000003af: DUP3
000003b0: SUB
000003b1: DUP1
000003b2: MLOAD
000003b3: PUSH1 0x01
000003b5: DUP4
000003b6: PUSH1 0x20
000003b8: SUB
000003b9: PUSH2 0x0100
000003bc: EXP
000003bd: SUB
000003be: NOT
000003bf: AND
000003c0: DUP2
000003c1: MSTORE
000003c2: PUSH1 0x20
000003c4: ADD
000003c5: SWAP2
000003c6: POP
000003c7: JUMPDEST
000003c8: POP
000003c9: SWAP3
000003ca: POP
000003cb: POP
000003cc: POP
000003cd: PUSH1 0x40
000003cf: MLOAD
000003d0: DUP1
000003d1: SWAP2
000003d2: SUB
000003d3: SWAP1
000003d4: RETURN
000003d5: JUMPDEST
000003d6: PUSH1 0x40
000003d8: DUP1
000003d9: MLOAD
000003da: SWAP2
000003db: DUP3
000003dc: MSTORE
000003dd: MLOAD
000003de: SWAP1
000003df: DUP2
000003e0: SWAP1
000003e1: SUB
000003e2: PUSH1 0x20
000003e4: ADD
000003e5: SWAP1
000003e6: RETURN
000003e7: JUMPDEST
000003e8: PUSH1 0x60
000003ea: SWAP1
000003eb: DUP2
000003ec: MSTORE
000003ed: PUSH1 0x20
000003ef: SWAP1
000003f0: RETURN
000003f1: JUMPDEST
000003f2: DUP3
000003f3: ADD
000003f4: SWAP2
000003f5: SWAP1
000003f6: PUSH1 0x00
000003f8: MSTORE
000003f9: PUSH1 0x20
000003fb: PUSH1 0x00
000003fd: KECCAK256
000003fe: SWAP1
000003ff: JUMPDEST
00000400: DUP2
00000401: SLOAD
00000402: DUP2
00000403: MSTORE
00000404: SWAP1
00000405: PUSH1 0x01
00000407: ADD
00000408: SWAP1
00000409: PUSH1 0x20
0000040b: ADD
0000040c: DUP1
0000040d: DUP4
0000040e: GT
0000040f: PUSH2 0x03ff
00000412: JUMPI
00000413: DUP3
00000414: SWAP1
00000415: SUB
00000416: PUSH1 0x1f
00000418: AND
00000419: DUP3
0000041a: ADD
0000041b: SWAP2
0000041c: JUMPDEST
0000041d: POP
0000041e: POP
0000041f: POP
00000420: POP
00000421: POP
00000422: DUP2
00000423: JUMP
00000424: JUMPDEST
00000425: PUSH1 0x01
00000427: PUSH1 0xa0
00000429: PUSH1 0x02
0000042b: EXP
0000042c: SUB
0000042d: DUP3
0000042e: AND
0000042f: PUSH1 0x00
00000431: SWAP1
00000432: DUP2
00000433: MSTORE
00000434: PUSH1 0x40
00000436: SWAP1
00000437: KECCAK256
00000438: SLOAD
00000439: DUP1
0000043a: DUP3
0000043b: ADD
0000043c: LT
0000043d: ISZERO
0000043e: PUSH2 0x0446
00000441: JUMPI
00000442: PUSH2 0x0002
00000445: JUMP
00000446: JUMPDEST
00000447: DUP1
00000448: PUSH1 0x03
0000044a: PUSH1 0x00
0000044c: POP
0000044d: PUSH1 0x00
0000044f: CALLER
00000450: PUSH1 0x01
00000452: PUSH1 0xa0
00000454: PUSH1 0x02
00000456: EXP
00000457: SUB
00000458: AND
00000459: DUP2
0000045a: MSTORE
0000045b: PUSH1 0x20
0000045d: ADD
0000045e: SWAP1
0000045f: DUP2
00000460: MSTORE
00000461: PUSH1 0x20
00000463: ADD
00000464: PUSH1 0x00
00000466: KECCAK256
00000467: PUSH1 0x00
00000469: DUP3
0000046a: DUP3
0000046b: DUP3
0000046c: POP
0000046d: SLOAD
0000046e: SUB
0000046f: SWAP3
00000470: POP
00000471: POP
00000472: DUP2
00000473: SWAP1
00000474: SSTORE
00000475: POP
00000476: DUP1
00000477: PUSH1 0x03
00000479: PUSH1 0x00
0000047b: POP
0000047c: PUSH1 0x00
0000047e: DUP5
0000047f: PUSH1 0x01
00000481: PUSH1 0xa0
00000483: PUSH1 0x02
00000485: EXP
00000486: SUB
00000487: AND
00000488: DUP2
00000489: MSTORE
0000048a: PUSH1 0x20
0000048c: ADD
0000048d: SWAP1
0000048e: DUP2
0000048f: MSTORE
00000490: PUSH1 0x20
00000492: ADD
00000493: PUSH1 0x00
00000495: KECCAK256
00000496: PUSH1 0x00
00000498: DUP3
00000499: DUP3
0000049a: DUP3
0000049b: POP
0000049c: SLOAD
0000049d: ADD
0000049e: SWAP3
0000049f: POP
000004a0: POP
000004a1: DUP2
000004a2: SWAP1
000004a3: SSTORE
000004a4: POP
000004a5: DUP2
000004a6: PUSH1 0x01
000004a8: PUSH1 0xa0
000004aa: PUSH1 0x02
000004ac: EXP
000004ad: SUB
000004ae: AND
000004af: CALLER
000004b0: PUSH1 0x01
000004b2: PUSH1 0xa0
000004b4: PUSH1 0x02
000004b6: EXP
000004b7: SUB
000004b8: AND
000004b9: PUSH32 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
000004da: DUP4
000004db: PUSH1 0x40
000004dd: MLOAD
000004de: DUP1
000004df: DUP3
000004e0: DUP2
000004e1: MSTORE
000004e2: PUSH1 0x20
000004e4: ADD
000004e5: SWAP2
000004e6: POP
000004e7: POP
000004e8: PUSH1 0x40
000004ea: MLOAD
000004eb: DUP1
000004ec: SWAP2
000004ed: SUB
000004ee: SWAP1
000004ef: LOG3
000004f0: POP
000004f1: POP
000004f2: JUMP
000004f3: JUMPDEST
000004f4: PUSH1 0x01
000004f6: PUSH1 0xa0
000004f8: PUSH1 0x02
000004fa: EXP
000004fb: SUB
000004fc: DUP4
000004fd: AND
000004fe: DUP2
000004ff: MSTORE
00000500: PUSH1 0x40
00000502: DUP2
00000503: KECCAK256
00000504: SLOAD
00000505: DUP1
00000506: DUP4
00000507: ADD
00000508: LT
00000509: ISZERO
0000050a: PUSH2 0x0512
0000050d: JUMPI
0000050e: PUSH2 0x0002
00000511: JUMP
00000512: JUMPDEST
00000513: PUSH1 0x01
00000515: PUSH1 0xa0
00000517: PUSH1 0x02
00000519: EXP
0000051a: SUB
0000051b: DUP1
0000051c: DUP6
0000051d: AND
0000051e: DUP1
0000051f: DUP4
00000520: MSTORE
00000521: PUSH1 0x04
00000523: PUSH1 0x20
00000525: SWAP1
00000526: DUP2
00000527: MSTORE
00000528: PUSH1 0x40
0000052a: DUP1
0000052b: DUP6
0000052c: KECCAK256
0000052d: CALLER
0000052e: SWAP5
0000052f: SWAP1
00000530: SWAP5
00000531: AND
00000532: DUP1
00000533: DUP7
00000534: MSTORE
00000535: SWAP4
00000536: DUP3
00000537: MSTORE
00000538: DUP1
00000539: DUP6
0000053a: KECCAK256
0000053b: SLOAD
0000053c: SWAP3
0000053d: DUP6
0000053e: MSTORE
0000053f: PUSH1 0x05
00000541: DUP3
00000542: MSTORE
00000543: DUP1
00000544: DUP6
00000545: KECCAK256
00000546: SWAP4
00000547: DUP6
00000548: MSTORE
00000549: SWAP3
0000054a: SWAP1
0000054b: MSTORE
0000054c: SWAP1
0000054d: DUP3
0000054e: KECCAK256
0000054f: SLOAD
00000550: DUP4
00000551: ADD
00000552: GT
00000553: ISZERO
00000554: PUSH2 0x055c
00000557: JUMPI
00000558: PUSH2 0x0002
0000055b: JUMP
0000055c: JUMPDEST
0000055d: DUP2
0000055e: PUSH1 0x03
00000560: PUSH1 0x00
00000562: POP
00000563: PUSH1 0x00
00000565: DUP7
00000566: PUSH1 0x01
00000568: PUSH1 0xa0
0000056a: PUSH1 0x02
0000056c: EXP
0000056d: SUB
0000056e: AND
0000056f: DUP2
00000570: MSTORE
00000571: PUSH1 0x20
00000573: ADD
00000574: SWAP1
00000575: DUP2
00000576: MSTORE
00000577: PUSH1 0x20
00000579: ADD
0000057a: PUSH1 0x00
0000057c: KECCAK256
0000057d: PUSH1 0x00
0000057f: DUP3
00000580: DUP3
00000581: DUP3
00000582: POP
00000583: SLOAD
00000584: SUB
00000585: SWAP3
00000586: POP
00000587: POP
00000588: DUP2
00000589: SWAP1
0000058a: SSTORE
0000058b: POP
0000058c: DUP2
0000058d: PUSH1 0x03
0000058f: PUSH1 0x00
00000591: POP
00000592: PUSH1 0x00
00000594: DUP6
00000595: PUSH1 0x01
00000597: PUSH1 0xa0
00000599: PUSH1 0x02
0000059b: EXP
0000059c: SUB
0000059d: AND
0000059e: DUP2
0000059f: MSTORE
000005a0: PUSH1 0x20
000005a2: ADD
000005a3: SWAP1
000005a4: DUP2
000005a5: MSTORE
000005a6: PUSH1 0x20
000005a8: ADD
000005a9: PUSH1 0x00
000005ab: KECCAK256
000005ac: PUSH1 0x00
000005ae: DUP3
000005af: DUP3
000005b0: DUP3
000005b1: POP
000005b2: SLOAD
000005b3: ADD
000005b4: SWAP3
000005b5: POP
000005b6: POP
000005b7: DUP2
000005b8: SWAP1
000005b9: SSTORE
000005ba: POP
000005bb: DUP2
000005bc: PUSH1 0x05
000005be: PUSH1 0x00
000005c0: POP
000005c1: PUSH1 0x00
000005c3: DUP7
000005c4: PUSH1 0x01
000005c6: PUSH1 0xa0
000005c8: PUSH1 0x02
000005ca: EXP
000005cb: SUB
000005cc: AND
000005cd: DUP2
000005ce: MSTORE
000005cf: PUSH1 0x20
000005d1: ADD
000005d2: SWAP1
000005d3: DUP2
000005d4: MSTORE
000005d5: PUSH1 0x20
000005d7: ADD
000005d8: PUSH1 0x00
000005da: KECCAK256
000005db: PUSH1 0x00
000005dd: POP
000005de: PUSH1 0x00
000005e0: CALLER
000005e1: PUSH1 0x01
000005e3: PUSH1 0xa0
000005e5: PUSH1 0x02
000005e7: EXP
000005e8: SUB
000005e9: AND
000005ea: DUP2
000005eb: MSTORE
000005ec: PUSH1 0x20
000005ee: ADD
000005ef: SWAP1
000005f0: DUP2
000005f1: MSTORE
000005f2: PUSH1 0x20
000005f4: ADD
000005f5: PUSH1 0x00
000005f7: KECCAK256
000005f8: PUSH1 0x00
000005fa: DUP3
000005fb: DUP3
000005fc: DUP3
000005fd: POP
000005fe: SLOAD
000005ff: ADD
00000600: SWAP3
00000601: POP
00000602: POP
00000603: DUP2
00000604: SWAP1
00000605: SSTORE
00000606: POP
00000607: DUP3
00000608: PUSH1 0x01
0000060a: PUSH1 0xa0
0000060c: PUSH1 0x02
0000060e: EXP
0000060f: SUB
00000610: AND
00000611: CALLER
00000612: PUSH1 0x01
00000614: PUSH1 0xa0
00000616: PUSH1 0x02
00000618: EXP
00000619: SUB
0000061a: AND
0000061b: PUSH32 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
0000063c: DUP5
0000063d: PUSH1 0x40
0000063f: MLOAD
00000640: DUP1
00000641: DUP3
00000642: DUP2
00000643: MSTORE
00000644: PUSH1 0x20
00000646: ADD
00000647: SWAP2
00000648: POP
00000649: POP
0000064a: PUSH1 0x40
0000064c: MLOAD
0000064d: DUP1
0000064e: SWAP2
0000064f: SUB
00000650: SWAP1
00000651: LOG3
00000652: SWAP4
00000653: SWAP3
00000654: POP
00000655: POP
00000656: POP
00000657: JUMP
View stderr
Warning: This is a nightly build of Foundry. It is recommended to use the latest stable version. To mute this warning set `FOUNDRY_DISABLE_NIGHTLY_WARNING` in your environment.

Findings

validated = confirmed for call sinks; sink observed for others
Severity Category Tool Title Confidence Validated Confirmed Details
high other detector Untrusted CALL target/value reachable 60 yes yes
view
trace_id: 0xd0d1f54c57c3ec80eb36f43e3e817632ecd4d3e3e835d54b3c34ab97d14c1ed2
call_targets: 0x0000000000000000000000000000000000000004, 0x11dead58e5a21e6e46594fab6cd12e0a40de5e6a
target_varies: yes
classification: target_varies
validation_json
{
    "sink": "CALL",
    "errors": 0,
    "status": "confirmed",
    "attempts": 1,
    "trace_id": "0xd0d1f54c57c3ec80eb36f43e3e817632ecd4d3e3e835d54b3c34ab97d14c1ed2",
    "confirmed": true,
    "trace_mode": "callTracer",
    "call_targets": [
        "0x0000000000000000000000000000000000000004",
        "0x11dead58e5a21e6e46594fab6cd12e0a40de5e6a"
    ],
    "matched_probe": null,
    "target_varies": true,
    "classification": "target_varies"
}
witness_json
{
    "notes": "heuristic witness; entrypoints are best-effort selectors with zeroed calldata",
    "constraints": [],
    "entrypoints": [
        {
            "calldata": "0x06fdde03",
            "selector": "0x06fdde03",
            "calldata_variants": [
                "0x06fdde03",
                "0x06fdde030000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0x23b872dd",
            "selector": "0x23b872dd",
            "calldata_variants": [
                "0x23b872dd",
                "0x23b872dd0000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0x313ce567",
            "selector": "0x313ce567",
            "calldata_variants": [
                "0x313ce567",
                "0x313ce5670000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0x70a08231",
            "selector": "0x70a08231",
            "calldata_variants": [
                "0x70a08231",
                "0x70a082310000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0x95d89b41",
            "selector": "0x95d89b41",
            "calldata_variants": [
                "0x95d89b41",
                "0x95d89b410000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0xa9059cbb",
            "selector": "0xa9059cbb",
            "calldata_variants": [
                "0xa9059cbb",
                "0xa9059cbb0000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0xcae9ca51",
            "selector": "0xcae9ca51",
            "calldata_variants": [
                "0xcae9ca51",
                "0xcae9ca510000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0xdc3080f2",
            "selector": "0xdc3080f2",
            "calldata_variants": [
                "0xdc3080f2",
                "0xdc3080f20000000000000000000000000000000000000000000000000000000000000000"
            ]
        }
    ]
}
evidence_json
{
    "examples": [
        {
            "pc": 712,
            "opcode": "CALL",
            "returndata_checked": null,
            "value_expression_category": "computed",
            "target_expression_category": "computed"
        },
        {
            "pc": 780,
            "opcode": "CALL",
            "returndata_checked": null,
            "value_expression_category": "computed",
            "target_expression_category": "computed"
        },
        {
            "pc": 925,
            "opcode": "CALL",
            "returndata_checked": null,
            "value_expression_category": "computed",
            "target_expression_category": "computed"
        }
    ],
    "call_count": 3,
    "guards_detected": [],
    "untrusted_call_count": 3
}
high other detector ETH value transfer possible 55 yes yes
view
trace_id: 0xd0d1f54c57c3ec80eb36f43e3e817632ecd4d3e3e835d54b3c34ab97d14c1ed2
call_targets: 0x0000000000000000000000000000000000000004, 0x11dead58e5a21e6e46594fab6cd12e0a40de5e6a
target_varies: yes
classification: target_varies
validation_json
{
    "sink": "CALL",
    "errors": 0,
    "status": "confirmed",
    "attempts": 1,
    "trace_id": "0xd0d1f54c57c3ec80eb36f43e3e817632ecd4d3e3e835d54b3c34ab97d14c1ed2",
    "confirmed": true,
    "trace_mode": "callTracer",
    "call_targets": [
        "0x0000000000000000000000000000000000000004",
        "0x11dead58e5a21e6e46594fab6cd12e0a40de5e6a"
    ],
    "matched_probe": null,
    "target_varies": true,
    "classification": "target_varies"
}
witness_json
{
    "notes": "heuristic witness; entrypoints are best-effort selectors with zeroed calldata",
    "constraints": [],
    "entrypoints": [
        {
            "calldata": "0x06fdde03",
            "selector": "0x06fdde03",
            "calldata_variants": [
                "0x06fdde03",
                "0x06fdde030000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0x23b872dd",
            "selector": "0x23b872dd",
            "calldata_variants": [
                "0x23b872dd",
                "0x23b872dd0000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0x313ce567",
            "selector": "0x313ce567",
            "calldata_variants": [
                "0x313ce567",
                "0x313ce5670000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0x70a08231",
            "selector": "0x70a08231",
            "calldata_variants": [
                "0x70a08231",
                "0x70a082310000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0x95d89b41",
            "selector": "0x95d89b41",
            "calldata_variants": [
                "0x95d89b41",
                "0x95d89b410000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0xa9059cbb",
            "selector": "0xa9059cbb",
            "calldata_variants": [
                "0xa9059cbb",
                "0xa9059cbb0000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0xcae9ca51",
            "selector": "0xcae9ca51",
            "calldata_variants": [
                "0xcae9ca51",
                "0xcae9ca510000000000000000000000000000000000000000000000000000000000000000"
            ]
        },
        {
            "calldata": "0xdc3080f2",
            "selector": "0xdc3080f2",
            "calldata_variants": [
                "0xdc3080f2",
                "0xdc3080f20000000000000000000000000000000000000000000000000000000000000000"
            ]
        }
    ]
}
evidence_json
{
    "examples": [
        {
            "pc": 712,
            "opcode": "CALL",
            "returndata_checked": null,
            "value_expression_category": "computed",
            "target_expression_category": "computed"
        },
        {
            "pc": 780,
            "opcode": "CALL",
            "returndata_checked": null,
            "value_expression_category": "computed",
            "target_expression_category": "computed"
        },
        {
            "pc": 925,
            "opcode": "CALL",
            "returndata_checked": null,
            "value_expression_category": "computed",
            "target_expression_category": "computed"
        }
    ],
    "eth_value_calls": 3,
    "guards_detected": []
}
medium other codex `allowance()` appears to report approved ceiling, not remaining spendable allowance 75 no
view
evidence_json
{
    "evidence": "Best-effort bytecode inference shows `0xdd62ed3e` reading only one nested mapping rooted at slot `0x04` (`pc:0x35e`). In `0x23b872dd`, the transferFrom path reads slot `0x04` (`pc:0x53b`) and a second nested mapping rooted at slot `0x05` (`pc:0x54f`), checks the combination, then updates slot `0x05` at `pc:0x605` instead of decrementing slot `0x04`. That implies standard `allowance()` does not expose the true remaining spendable amount.",
    "locations": [
        "selector:0xdd62ed3e",
        "selector:0x23b872dd",
        "selector:0xdc3080f2",
        "pc:0x35e",
        "pc:0x53b",
        "pc:0x54f",
        "pc:0x605"
    ],
    "recommendation": "If this contract must present an ERC20-compatible surface, make `allowance()` return remaining allowance, or decrement the same allowance slot that `allowance()` reads. At minimum, document the non-standard behavior prominently and require integrators to account for the extra spent-allowance state (best-effort inferred from selector `0xdc3080f2`).",
    "exploit_scenario": "A wallet, DEX, or vault reads `allowance(owner, spender)` via `0xdd62ed3e` and believes that full amount is still spendable. If the spender has already consumed part of the approval, `transferFrom` can still revert because the contract also tracks a separate spent counter. This can break pull-based integrations, leave approvals seemingly usable when they are not, and make allowance changes behave unexpectedly unless an integrator knows about the custom second mapping."
}
low reentrancy codex Approval callback performs a full-gas external call after writing approval 65 no
view
evidence_json
{
    "evidence": "Selector `0xcae9ca51` accepts calldata shaped like `(address,uint256,bytes)` and writes to the allowance-like mapping at `pc:0x24b`. It then builds calldata containing selector `0x8f4ffcb1` at `pc:0x25a` and performs a low-level `CALL` to the calldata-derived target at `pc:0x30c`, with no detected guard. The other CALLs at `pc:0x2c8`/`pc:0x39d` are consistent with identity-precompile/string-copy helpers and are lower concern.",
    "locations": [
        "selector:0xcae9ca51",
        "pc:0x24b",
        "pc:0x25a",
        "pc:0x30c"
    ],
    "recommendation": "Treat this entrypoint as reentrant-by-design. Avoid using it with untrusted spender contracts. If behavior can be changed, add an explicit reentrancy guard or refactor so callbacks cannot observe freshly written approval without tighter controls.",
    "exploit_scenario": "If selector `0xcae9ca51` is the expected `approveAndCall(address,uint256,bytes)`-style entrypoint, a malicious spender contract can receive the callback and immediately reenter the token using the just-written approval before the outer call returns. From the bytecode alone, this looks intentional, but any integrator assuming the callback is non-reentrant could be surprised."
}