6b14b82f-fe9f-435d-9b59-2f2b689684ef
Open this run to answer one question: is this real attacker-relevant behavior with real impact, or just normal contract plumbing?
| ID | Type | Status | Attempts | Heartbeat |
|---|---|---|---|---|
| 31398 | report.consolidate | complete | 1 / 1 | 3 months ago |
| 111386 | artifact.fetch | complete | 1 / 3 | 1 week ago |
| 111387 | tool.cast_disasm | complete | 1 / 3 | 1 week ago |
| 111388 | analysis.bundle | complete | 1 / 3 | 1 week ago |
| 111389 | capability.graph | complete | 1 / 3 | 1 week ago |
| 111390 | detector.run | complete | 1 / 3 | 1 week ago |
| 111391 | validation.fork | complete | 1 / 3 | 1 week ago |
No slither job recorded yet.
[codex:332726] OpenAI Codex v0.77.0 (research preview)
[codex:332726] --------
[codex:332726] workdir: /tmp/codex-multi-3dh1ztum
[codex:332726] model: gpt-5.2-codex
[codex:332726] provider: openai
[codex:332726] approval: never
[codex:332726] sandbox: read-only
[codex:332726] reasoning effort: xhigh
[codex:332726] reasoning summaries: auto
[codex:332726] session id: 019b812f-063f-7a52-aa11-e7c1a84102b0
[codex:332726] --------
[codex:332726] user
[codex:332726] You are a profit-focused exploit hunter analyzing EVM bytecode. Your ONLY goal is finding ways to extract value (ETH, tokens, NFTs) from this contract.
[codex:332726]
[codex:332726] Read `BYTECODE_BUNDLE.txt` completely before concluding.
[codex:332726]
[codex:332726] ONLY REPORT if you find a CONCRETE, EXPLOITABLE path to profit. We do NOT care about:
[codex:332726] - Gas inefficiency, code quality, or best practices
[codex:332726] - Theoretical vulnerabilities without a clear extraction path
[codex:332726] - Generic footguns (unchecked return values, etc.) unless they enable theft
[codex:332726] - Issues requiring social engineering or off-chain coordination
[codex:332726]
[codex:332726] PATTERNS WORTH INVESTIGATING in bytecode:
[codex:332726] - CALL/DELEGATECALL with controllable destination or calldata
[codex:332726] - Value transfers (CALL with non-zero value) without prior CALLER/ORIGIN checks
[codex:332726] - SSTORE to low slots (0-10) that might be owner/admin storage
[codex:332726] - ecrecover (signature validation) - look for missing nonce/replay protection
[codex:332726] - External calls before state updates (reentrancy)
[codex:332726] - SELFDESTRUCT with controllable beneficiary
[codex:332726] - Proxy patterns (DELEGATECALL to storage slot) with unprotected upgrade paths
[codex:332726]
[codex:332726] For each finding, you MUST explain:
[codex:332726] 1. The specific bytecode pattern/offsets that indicate the vulnerability
[codex:332726] 2. The concrete sequence of transactions to extract value
[codex:332726] 3. Why you believe this is exploitable (not just suspicious)
[codex:332726]
[codex:332726] If you cannot identify a concrete profit path from bytecode alone: set no_findings=true.
[codex:332726] Do NOT hallucinate. Bytecode-only analysis is limited - be honest about uncertainty.
[codex:332726]
[codex:332726] Output MUST be valid JSON matching the provided schema.
[codex:332726] - severity: info, low, medium, high, critical (use high/critical ONLY for clear extraction paths)
[codex:332726] - category: access_control, reentrancy, math, oracle, upgradeability, auth, other
[codex:332726] mcp startup: no servers
[codex:332726]
[codex:332726] thinking
[codex:332726] **Preparing to read BYTECODE_BUNDLE.txt**
[codex:332726] exec
[codex:332726] /bin/bash -lc ls in /tmp/codex-multi-3dh1ztum succeeded in 6ms:
[codex:332726] BYTECODE_BUNDLE.txt
[codex:332726] codex-output-schema.json
[codex:332726] exec
[codex:332726] /bin/bash -lc 'cat BYTECODE_BUNDLE.txt' in /tmp/codex-multi-3dh1ztum succeeded in 6ms:
[codex:332726] Runtime bytecode bundle for best-effort auditing.
[codex:332726] Note: without verified source, conclusions are low-confidence unless a concrete pattern is visible.
[codex:332726]
[codex:332726] FILE: runtime_bytecode.hex
[codex:332726] 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
[codex:332726]
[codex:332726] thinking
[codex:332726] **Preparing to analyze EVM bytecode for exploits**
[codex:332726]
[codex:332726] I'm planning to carefully scan this Ethereum bytecode for call instructions and patterns that might indicate vulnerabilities, especially looking for calls with user-controllable destinations or values. Since running online tools isn't an option, I'll write a Python script to disassemble the bytecode, identify key opcodes like CALL, DELEGATECALL, and SELFDESTRUCT, and parse function selectors and access control logic to see if any concrete exploit paths emerge.
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] # extract runtime hex
[codex:332726] m=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata)
[codex:332726] if not m:
[codex:332726] print('no runtime'); exit()
[codex:332726] code=m.group(1)[2:]
[codex:332726] # disassembler
[codex:332726] opnames={
[codex:332726] 0x00:'STOP',0x01:'ADD',0x02:'MUL',0x03:'SUB',0x04:'DIV',0x05:'SDIV',0x06:'MOD',0x07:'SMOD',0x08:'ADDMOD',0x09:'MULMOD',0x0a:'EXP',0x0b:'SIGNEXTEND',
[codex:332726] 0x10:'LT',0x11:'GT',0x12:'SLT',0x13:'SGT',0x14:'EQ',0x15:'ISZERO',0x16:'AND',0x17:'OR',0x18:'XOR',0x19:'NOT',0x1a:'BYTE',
[codex:332726] 0x20:'SHA3',0x30:'ADDRESS',0x31:'BALANCE',0x32:'ORIGIN',0x33:'CALLER',0x34:'CALLVALUE',0x35:'CALLDATALOAD',0x36:'CALLDATASIZE',0x37:'CALLDATACOPY',0x38:'CODESIZE',0x39:'CODECOPY',0x3a:'GASPRICE',0x3b:'EXTCODESIZE',0x3c:'EXTCODECOPY',0x3d:'RETURNDATASIZE',0x3e:'RETURNDATACOPY',0x3f:'EXTCODEHASH',
[codex:332726] 0x40:'BLOCKHASH',0x41:'COINBASE',0x42:'TIMESTAMP',0x43:'NUMBER',0x44:'DIFFICULTY',0x45:'GASLIMIT',0x46:'CHAINID',0x47:'SELFBALANCE',0x48:'BASEFEE',
[codex:332726] 0x50:'POP',0x51:'MLOAD',0x52:'MSTORE',0x53:'MSTORE8',0x54:'SLOAD',0x55:'SSTORE',0x56:'JUMP',0x57:'JUMPI',0x58:'PC',0x59:'MSIZE',0x5a:'GAS',0x5b:'JUMPDEST',
[codex:332726] 0x60:'PUSH1',0x61:'PUSH2',0x62:'PUSH3',0x63:'PUSH4',0x64:'PUSH5',0x65:'PUSH6',0x66:'PUSH7',0x67:'PUSH8',0x68:'PUSH9',0x69:'PUSH10',0x6a:'PUSH11',0x6b:'PUSH12',0x6c:'PUSH13',0x6d:'PUSH14',0x6e:'PUSH15',0x6f:'PUSH16',0x70:'PUSH17',0x71:'PUSH18',0x72:'PUSH19',0x73:'PUSH20',0x74:'PUSH21',0x75:'PUSH22',0x76:'PUSH23',0x77:'PUSH24',0x78:'PUSH25',0x79:'PUSH26',0x7a:'PUSH27',0x7b:'PUSH28',0x7c:'PUSH29',0x7d:'PUSH30',0x7e:'PUSH31',0x7f:'PUSH32',
[codex:332726] 0x80:'DUP1',0x81:'DUP2',0x82:'DUP3',0x83:'DUP4',0x84:'DUP5',0x85:'DUP6',0x86:'DUP7',0x87:'DUP8',0x88:'DUP9',0x89:'DUP10',0x8a:'DUP11',0x8b:'DUP12',0x8c:'DUP13',0x8d:'DUP14',0x8e:'DUP15',0x8f:'DUP16',
[codex:332726] 0x90:'SWAP1',0x91:'SWAP2',0x92:'SWAP3',0x93:'SWAP4',0x94:'SWAP5',0x95:'SWAP6',0x96:'SWAP7',0x97:'SWAP8',0x98:'SWAP9',0x99:'SWAP10',0x9a:'SWAP11',0x9b:'SWAP12',0x9c:'SWAP13',0x9d:'SWAP14',0x9e:'SWAP15',0x9f:'SWAP16',
[codex:332726] 0xa0:'LOG0',0xa1:'LOG1',0xa2:'LOG2',0xa3:'LOG3',0xa4:'LOG4',
[codex:332726] 0xf0:'CREATE',0xf1:'CALL',0xf2:'CALLCODE',0xf3:'RETURN',0xf4:'DELEGATECALL',0xf5:'CREATE2',0xfa:'STATICCALL',0xfd:'REVERT',0xfe:'INVALID',0xff:'SELFDESTRUCT'
[codex:332726] }
[codex:332726]
[codex:332726] def disasm(code_hex):
[codex:332726] b=bytes.fromhex(code_hex)
[codex:332726] i=0
[codex:332726] out=[]
[codex:332726] while i < len(b):
[codex:332726] op=b[i]
[codex:332726] name=opnames.get(op, 'UNKNOWN')
[codex:332726] if 0x60 <= op <= 0x7f:
[codex:332726] n=op-0x5f
[codex:332726] data=b[i+1:i+1+n]
[codex:332726] out.append((i, name, data.hex()))
[codex:332726] i+=1+n
[codex:332726] else:
[codex:332726] out.append((i, name, None))
[codex:332726] i+=1
[codex:332726] return out
[codex:332726]
[codex:332726] ops=disasm(code)
[codex:332726] # find call/delegatecall/selfdestruct
[codex:332726] for idx,(off,name,data) in enumerate(ops):
[codex:332726] if name in ('CALL','DELEGATECALL','CALLCODE','STATICCALL','SELFDESTRUCT'):
[codex:332726] print(f'{off:04x}: {name}')
[codex:332726]
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 29ms:
[codex:332726] 0249: CALL
[codex:332726] 030a: CALL
[codex:332726] 0343: CALL
[codex:332726] 037b: CALL
[codex:332726] 03a9: CALL
[codex:332726] 0608: CALL
[codex:332726]
[codex:332726] thinking
[codex:332726] **Analyzing CALL instructions**
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726] # disassembler
[codex:332726] opnames={
[codex:332726] 0x00:'STOP',0x01:'ADD',0x02:'MUL',0x03:'SUB',0x04:'DIV',0x05:'SDIV',0x06:'MOD',0x07:'SMOD',0x08:'ADDMOD',0x09:'MULMOD',0x0a:'EXP',0x0b:'SIGNEXTEND',
[codex:332726] 0x10:'LT',0x11:'GT',0x12:'SLT',0x13:'SGT',0x14:'EQ',0x15:'ISZERO',0x16:'AND',0x17:'OR',0x18:'XOR',0x19:'NOT',0x1a:'BYTE',
[codex:332726] 0x20:'SHA3',0x30:'ADDRESS',0x31:'BALANCE',0x32:'ORIGIN',0x33:'CALLER',0x34:'CALLVALUE',0x35:'CALLDATALOAD',0x36:'CALLDATASIZE',0x37:'CALLDATACOPY',0x38:'CODESIZE',0x39:'CODECOPY',0x3a:'GASPRICE',0x3b:'EXTCODESIZE',0x3c:'EXTCODECOPY',0x3d:'RETURNDATASIZE',0x3e:'RETURNDATACOPY',0x3f:'EXTCODEHASH',
[codex:332726] 0x40:'BLOCKHASH',0x41:'COINBASE',0x42:'TIMESTAMP',0x43:'NUMBER',0x44:'DIFFICULTY',0x45:'GASLIMIT',0x46:'CHAINID',0x47:'SELFBALANCE',0x48:'BASEFEE',
[codex:332726] 0x50:'POP',0x51:'MLOAD',0x52:'MSTORE',0x53:'MSTORE8',0x54:'SLOAD',0x55:'SSTORE',0x56:'JUMP',0x57:'JUMPI',0x58:'PC',0x59:'MSIZE',0x5a:'GAS',0x5b:'JUMPDEST',
[codex:332726] 0x60:'PUSH1',0x61:'PUSH2',0x62:'PUSH3',0x63:'PUSH4',0x64:'PUSH5',0x65:'PUSH6',0x66:'PUSH7',0x67:'PUSH8',0x68:'PUSH9',0x69:'PUSH10',0x6a:'PUSH11',0x6b:'PUSH12',0x6c:'PUSH13',0x6d:'PUSH14',0x6e:'PUSH15',0x6f:'PUSH16',0x70:'PUSH17',0x71:'PUSH18',0x72:'PUSH19',0x73:'PUSH20',0x74:'PUSH21',0x75:'PUSH22',0x76:'PUSH23',0x77:'PUSH24',0x78:'PUSH25',0x79:'PUSH26',0x7a:'PUSH27',0x7b:'PUSH28',0x7c:'PUSH29',0x7d:'PUSH30',0x7e:'PUSH31',0x7f:'PUSH32',
[codex:332726] 0x80:'DUP1',0x81:'DUP2',0x82:'DUP3',0x83:'DUP4',0x84:'DUP5',0x85:'DUP6',0x86:'DUP7',0x87:'DUP8',0x88:'DUP9',0x89:'DUP10',0x8a:'DUP11',0x8b:'DUP12',0x8c:'DUP13',0x8d:'DUP14',0x8e:'DUP15',0x8f:'DUP16',
[codex:332726] 0x90:'SWAP1',0x91:'SWAP2',0x92:'SWAP3',0x93:'SWAP4',0x94:'SWAP5',0x95:'SWAP6',0x96:'SWAP7',0x97:'SWAP8',0x98:'SWAP9',0x99:'SWAP10',0x9a:'SWAP11',0x9b:'SWAP12',0x9c:'SWAP13',0x9d:'SWAP14',0x9e:'SWAP15',0x9f:'SWAP16',
[codex:332726] 0xa0:'LOG0',0xa1:'LOG1',0xa2:'LOG2',0xa3:'LOG3',0xa4:'LOG4',
[codex:332726] 0xf0:'CREATE',0xf1:'CALL',0xf2:'CALLCODE',0xf3:'RETURN',0xf4:'DELEGATECALL',0xf5:'CREATE2',0xfa:'STATICCALL',0xfd:'REVERT',0xfe:'INVALID',0xff:'SELFDESTRUCT'
[codex:332726] }
[codex:332726]
[codex:332726] def disasm(code_hex):
[codex:332726] b=bytes.fromhex(code_hex)
[codex:332726] i=0
[codex:332726] out=[]
[codex:332726] while i < len(b):
[codex:332726] op=b[i]
[codex:332726] name=opnames.get(op, 'UNKNOWN')
[codex:332726] if 0x60 <= op <= 0x7f:
[codex:332726] n=op-0x5f
[codex:332726] data=b[i+1:i+1+n]
[codex:332726] out.append((i, name, data.hex()))
[codex:332726] i+=1+n
[codex:332726] else:
[codex:332726] out.append((i, name, None))
[codex:332726] i+=1
[codex:332726] return out
[codex:332726]
[codex:332726] ops=disasm(code)
[codex:332726] # map from offset to index
[codex:332726] idx_by_off={off:i for i,(off,_,_) in enumerate(ops)}
[codex:332726] call_offsets=[0x0249,0x030a,0x0343,0x037b,0x03a9,0x0608]
[codex:332726] for co in call_offsets:
[codex:332726] i=idx_by_off[co]
[codex:332726] start=max(0,i-10)
[codex:332726] end=min(len(ops),i+6)
[codex:332726] print('\\n--- around',hex(co),'---')
[codex:332726] for off,name,data in ops[start:end]:
[codex:332726] if data is None:
[codex:332726] print(f'{off:04x} {name}')
[codex:332726] else:
[codex:332726] print(f'{off:04x} {name} 0x{data}')
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 27ms:
[codex:332726]
[codex:332726] --- around 0x249 ---
[codex:332726] 023c MLOAD
[codex:332726] 023d DUP1
[codex:332726] 023e DUP4
[codex:332726] 023f SUB
[codex:332726] 0240 DUP2
[codex:332726] 0241 PUSH1 0x00
[codex:332726] 0243 DUP8
[codex:332726] 0244 PUSH2 0x646e
[codex:332726] 0247 GAS
[codex:332726] 0248 SUB
[codex:332726] 0249 CALL
[codex:332726] 024a SWAP3
[codex:332726] 024b POP
[codex:332726] 024c POP
[codex:332726] 024d POP
[codex:332726] 024e DUP1
[codex:332726]
[codex:332726] --- around 0x30a ---
[codex:332726]
[codex:332726] thinking
[codex:332726] **Expanding code context for CALL analysis**
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726] # disassembler
[codex:332726] opnames={
[codex:332726] 0x00:'STOP',0x01:'ADD',0x02:'MUL',0x03:'SUB',0x04:'DIV',0x05:'SDIV',0x06:'MOD',0x07:'SMOD',0x08:'ADDMOD',0x09:'MULMOD',0x0a:'EXP',0x0b:'SIGNEXTEND',
[codex:332726] 0x10:'LT',0x11:'GT',0x12:'SLT',0x13:'SGT',0x14:'EQ',0x15:'ISZERO',0x16:'AND',0x17:'OR',0x18:'XOR',0x19:'NOT',0x1a:'BYTE',
[codex:332726] 0x20:'SHA3',0x30:'ADDRESS',0x31:'BALANCE',0x32:'ORIGIN',0x33:'CALLER',0x34:'CALLVALUE',0x35:'CALLDATALOAD',0x36:'CALLDATASIZE',0x37:'CALLDATACOPY',0x38:'CODESIZE',0x39:'CODECOPY',0x3a:'GASPRICE',0x3b:'EXTCODESIZE',0x3c:'EXTCODECOPY',0x3d:'RETURNDATASIZE',0x3e:'RETURNDATACOPY',0x3f:'EXTCODEHASH',
[codex:332726] 0x40:'BLOCKHASH',0x41:'COINBASE',0x42:'TIMESTAMP',0x43:'NUMBER',0x44:'DIFFICULTY',0x45:'GASLIMIT',0x46:'CHAINID',0x47:'SELFBALANCE',0x48:'BASEFEE',
[codex:332726] 0x50:'POP',0x51:'MLOAD',0x52:'MSTORE',0x53:'MSTORE8',0x54:'SLOAD',0x55:'SSTORE',0x56:'JUMP',0x57:'JUMPI',0x58:'PC',0x59:'MSIZE',0x5a:'GAS',0x5b:'JUMPDEST',
[codex:332726] 0x60:'PUSH1',0x61:'PUSH2',0x62:'PUSH3',0x63:'PUSH4',0x64:'PUSH5',0x65:'PUSH6',0x66:'PUSH7',0x67:'PUSH8',0x68:'PUSH9',0x69:'PUSH10',0x6a:'PUSH11',0x6b:'PUSH12',0x6c:'PUSH13',0x6d:'PUSH14',0x6e:'PUSH15',0x6f:'PUSH16',0x70:'PUSH17',0x71:'PUSH18',0x72:'PUSH19',0x73:'PUSH20',0x74:'PUSH21',0x75:'PUSH22',0x76:'PUSH23',0x77:'PUSH24',0x78:'PUSH25',0x79:'PUSH26',0x7a:'PUSH27',0x7b:'PUSH28',0x7c:'PUSH29',0x7d:'PUSH30',0x7e:'PUSH31',0x7f:'PUSH32',
[codex:332726] 0x80:'DUP1',0x81:'DUP2',0x82:'DUP3',0x83:'DUP4',0x84:'DUP5',0x85:'DUP6',0x86:'DUP7',0x87:'DUP8',0x88:'DUP9',0x89:'DUP10',0x8a:'DUP11',0x8b:'DUP12',0x8c:'DUP13',0x8d:'DUP14',0x8e:'DUP15',0x8f:'DUP16',
[codex:332726] 0x90:'SWAP1',0x91:'SWAP2',0x92:'SWAP3',0x93:'SWAP4',0x94:'SWAP5',0x95:'SWAP6',0x96:'SWAP7',0x97:'SWAP8',0x98:'SWAP9',0x99:'SWAP10',0x9a:'SWAP11',0x9b:'SWAP12',0x9c:'SWAP13',0x9d:'SWAP14',0x9e:'SWAP15',0x9f:'SWAP16',
[codex:332726] 0xa0:'LOG0',0xa1:'LOG1',0xa2:'LOG2',0xa3:'LOG3',0xa4:'LOG4',
[codex:332726] 0xf0:'CREATE',0xf1:'CALL',0xf2:'CALLCODE',0xf3:'RETURN',0xf4:'DELEGATECALL',0xf5:'CREATE2',0xfa:'STATICCALL',0xfd:'REVERT',0xfe:'INVALID',0xff:'SELFDESTRUCT'
[codex:332726] }
[codex:332726]
[codex:332726] def disasm(code_hex):
[codex:332726] b=bytes.fromhex(code_hex)
[codex:332726] i=0
[codex:332726] out=[]
[codex:332726] while i < len(b):
[codex:332726] op=b[i]
[codex:332726] name=opnames.get(op, 'UNKNOWN')
[codex:332726] if 0x60 <= op <= 0x7f:
[codex:332726] n=op-0x5f
[codex:332726] data=b[i+1:i+1+n]
[codex:332726] out.append((i, name, data.hex()))
[codex:332726] i+=1+n
[codex:332726] else:
[codex:332726] out.append((i, name, None))
[codex:332726] i+=1
[codex:332726] return out
[codex:332726]
[codex:332726] ops=disasm(code)
[codex:332726] idx_by_off={off:i for i,(off,_,_) in enumerate(ops)}
[codex:332726] call_offsets=[0x0249,0x030a,0x0343,0x037b,0x03a9,0x0608]
[codex:332726] for co in call_offsets:
[codex:332726] i=idx_by_off[co]
[codex:332726] start=max(0,i-30)
[codex:332726] end=min(len(ops),i+10)
[codex:332726] print('\\n--- around',hex(co),'---')
[codex:332726] for off,name,data in ops[start:end]:
[codex:332726] if data is None:
[codex:332726] print(f'{off:04x} {name}')
[codex:332726] else:
[codex:332726] print(f'{off:04x} {name} 0x{data}')
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 31ms:
[codex:332726]
[codex:332726] --- around 0x249 ---
[codex:332726] 0203 DUP3
[codex:332726] 0204 PUSH4 0xffffffff
[codex:332726] 0209 AND
[codex:332726] 020a PUSH29 0x0100000000000000000000000000000000000000000000000000000000
[codex:332726] 0228 MUL
[codex:332726] 0229 DUP2
[codex:332726] 022a MSTORE
[codex:332726] 022b PUSH1 0x04
[codex:332726] 022d ADD
[codex:332726] 022e DUP1
[codex:332726] 022f DUP3
[codex:332726] 0230 DUP2
[codex:332726] 0231 MSTORE
[codex:332726] 0232 PUSH1 0x20
[codex:332726] 0234 ADD
[codex:332726] 0235 SWAP2
[codex:332726] 0236 POP
[codex:332726] 0237 POP
[codex:332726]
[codex:332726] thinking
[codex:332726] **Analyzing call instructions and stack usage**
[codex:332726]
[codex:332726] I'm looking closely at CALL instructions around 0x0608 and 0x0249 to understand their targets and whether the called address or value can be influenced to enable an exploit. I notice patterns of stack manipulation and constants like PUSH20 that might be fixed addresses, so I want to trace those pushes to confirm if calls involve attacker-controlled parameters. This should help me identify if there's any unprotected call sending value or a reentrancy risk worth exploring.
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726] # disassembler
[codex:332726] opnames={
[codex:332726] 0x60:'PUSH1',0x61:'PUSH2',0x62:'PUSH3',0x63:'PUSH4',0x64:'PUSH5',0x65:'PUSH6',0x66:'PUSH7',0x67:'PUSH8',0x68:'PUSH9',0x69:'PUSH10',0x6a:'PUSH11',0x6b:'PUSH12',0x6c:'PUSH13',0x6d:'PUSH14',0x6e:'PUSH15',0x6f:'PUSH16',0x70:'PUSH17',0x71:'PUSH18',0x72:'PUSH19',0x73:'PUSH20',0x74:'PUSH21',0x75:'PUSH22',0x76:'PUSH23',0x77:'PUSH24',0x78:'PUSH25',0x79:'PUSH26',0x7a:'PUSH27',0x7b:'PUSH28',0x7c:'PUSH29',0x7d:'PUSH30',0x7e:'PUSH31',0x7f:'PUSH32'
[codex:332726] }
[codex:332726]
[codex:332726] b=bytes.fromhex(code)
[codex:332726]
[codex:332726] i=0
[codex:332726] push20s=[]
[codex:332726] while i<len(b):
[codex:332726] op=b[i]
[codex:332726] if 0x60<=op<=0x7f:
[codex:332726] n=op-0x5f
[codex:332726] data=b[i+1:i+1+n]
[codex:332726] if op==0x73:
[codex:332726] push20s.append((i,data.hex()))
[codex:332726] i+=1+n
[codex:332726] else:
[codex:332726] i+=1
[codex:332726]
[codex:332726] for off,data in push20s:
[codex:332726] print(f'{off:04x} PUSH20 0x{data}')
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 26ms:
[codex:332726] 01cf PUSH20 0x06012c8cf97bead5deae237070f9587f8e7a266d
[codex:332726] 01e4 PUSH20 0xffffffffffffffffffffffffffffffffffffffff
[codex:332726] 05da PUSH20 0xffffffffffffffffffffffffffffffffffffffff
[codex:332726] 0634 PUSH20 0x06aba80df0bb055e707a2c0337910c1438dc9d17
[codex:332726]
[codex:332726] thinking
[codex:332726] **Analyzing calls and constants**
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726] # disassembler (simplified)
[codex:332726] opnames={
[codex:332726] 0x00:'STOP',0x01:'ADD',0x02:'MUL',0x03:'SUB',0x04:'DIV',0x05:'SDIV',0x06:'MOD',0x07:'SMOD',0x08:'ADDMOD',0x09:'MULMOD',0x0a:'EXP',0x0b:'SIGNEXTEND',
[codex:332726] 0x10:'LT',0x11:'GT',0x12:'SLT',0x13:'SGT',0x14:'EQ',0x15:'ISZERO',0x16:'AND',0x17:'OR',0x18:'XOR',0x19:'NOT',0x1a:'BYTE',
[codex:332726] 0x20:'SHA3',0x30:'ADDRESS',0x31:'BALANCE',0x32:'ORIGIN',0x33:'CALLER',0x34:'CALLVALUE',0x35:'CALLDATALOAD',0x36:'CALLDATASIZE',0x37:'CALLDATACOPY',0x38:'CODESIZE',0x39:'CODECOPY',0x3a:'GASPRICE',0x3b:'EXTCODESIZE',0x3c:'EXTCODECOPY',0x3d:'RETURNDATASIZE',0x3e:'RETURNDATACOPY',0x3f:'EXTCODEHASH',
[codex:332726] 0x40:'BLOCKHASH',0x41:'COINBASE',0x42:'TIMESTAMP',0x43:'NUMBER',0x44:'DIFFICULTY',0x45:'GASLIMIT',0x46:'CHAINID',0x47:'SELFBALANCE',0x48:'BASEFEE',
[codex:332726] 0x50:'POP',0x51:'MLOAD',0x52:'MSTORE',0x53:'MSTORE8',0x54:'SLOAD',0x55:'SSTORE',0x56:'JUMP',0x57:'JUMPI',0x58:'PC',0x59:'MSIZE',0x5a:'GAS',0x5b:'JUMPDEST',
[codex:332726] 0x60:'PUSH1',0x61:'PUSH2',0x62:'PUSH3',0x63:'PUSH4',0x64:'PUSH5',0x65:'PUSH6',0x66:'PUSH7',0x67:'PUSH8',0x68:'PUSH9',0x69:'PUSH10',0x6a:'PUSH11',0x6b:'PUSH12',0x6c:'PUSH13',0x6d:'PUSH14',0x6e:'PUSH15',0x6f:'PUSH16',0x70:'PUSH17',0x71:'PUSH18',0x72:'PUSH19',0x73:'PUSH20',0x74:'PUSH21',0x75:'PUSH22',0x76:'PUSH23',0x77:'PUSH24',0x78:'PUSH25',0x79:'PUSH26',0x7a:'PUSH27',0x7b:'PUSH28',0x7c:'PUSH29',0x7d:'PUSH30',0x7e:'PUSH31',0x7f:'PUSH32',
[codex:332726] 0x80:'DUP1',0x81:'DUP2',0x82:'DUP3',0x83:'DUP4',0x84:'DUP5',0x85:'DUP6',0x86:'DUP7',0x87:'DUP8',0x88:'DUP9',0x89:'DUP10',0x8a:'DUP11',0x8b:'DUP12',0x8c:'DUP13',0x8d:'DUP14',0x8e:'DUP15',0x8f:'DUP16',
[codex:332726] 0x90:'SWAP1',0x91:'SWAP2',0x92:'SWAP3',0x93:'SWAP4',0x94:'SWAP5',0x95:'SWAP6',0x96:'SWAP7',0x97:'SWAP8',0x98:'SWAP9',0x99:'SWAP10',0x9a:'SWAP11',0x9b:'SWAP12',0x9c:'SWAP13',0x9d:'SWAP14',0x9e:'SWAP15',0x9f:'SWAP16',
[codex:332726] 0xa0:'LOG0',0xa1:'LOG1',0xa2:'LOG2',0xa3:'LOG3',0xa4:'LOG4',
[codex:332726] 0xf0:'CREATE',0xf1:'CALL',0xf2:'CALLCODE',0xf3:'RETURN',0xf4:'DELEGATECALL',0xf5:'CREATE2',0xfa:'STATICCALL',0xfd:'REVERT',0xfe:'INVALID',0xff:'SELFDESTRUCT'
[codex:332726] }
[codex:332726]
[codex:332726] b=bytes.fromhex(code)
[codex:332726]
[codex:332726] def disasm_range(start,end):
[codex:332726] i=start
[codex:332726] out=[]
[codex:332726] while i < end:
[codex:332726] op=b[i]
[codex:332726] name=opnames.get(op,'UNKNOWN')
[codex:332726] if 0x60 <= op <= 0x7f:
[codex:332726] n=op-0x5f
[codex:332726] data=b[i+1:i+1+n]
[codex:332726] out.append((i,name,data.hex()))
[codex:332726] i+=1+n
[codex:332726] else:
[codex:332726] out.append((i,name,None))
[codex:332726] i+=1
[codex:332726] return out
[codex:332726]
[codex:332726] # show from 0x0560 to end
[codex:332726] ops=disasm_range(0x0560, len(b))
[codex:332726] for off,name,data in ops:
[codex:332726] if data is None:
[codex:332726] print(f'{off:04x} {name}')
[codex:332726] else:
[codex:332726] print(f'{off:04x} {name} 0x{data}')
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 32ms:
[codex:332726] 0560 POP
[codex:332726] 0561 PUSH1 0x00
[codex:332726] 0563 SLOAD
[codex:332726] 0564 PUSH1 0x3c
[codex:332726] 0566 ADD
[codex:332726] 0567 PUSH1 0x00
[codex:332726] 0569 SSTORE
[codex:332726] 056a JUMPDEST
[codex:332726] 056b JUMPDEST
[codex:332726] 056c JUMPDEST
[codex:332726] 056d JUMPDEST
[codex:332726] 056e POP
[codex:332726] 056f POP
[codex:332726] 0570 POP
[codex:332726] 0571 POP
[codex:332726] 0572 POP
[codex:332726] 0573 POP
[codex:332726] 0574 POP
[codex:332726] 0575 POP
[codex:332726] 0576 POP
[codex:332726]
[codex:332726] thinking
[codex:332726] **Analyzing access control and call mechanics**
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726] # disassembler
[codex:332726] opnames={
[codex:332726] 0x00:'STOP',0x01:'ADD',0x02:'MUL',0x03:'SUB',0x04:'DIV',0x05:'SDIV',0x06:'MOD',0x07:'SMOD',0x08:'ADDMOD',0x09:'MULMOD',0x0a:'EXP',0x0b:'SIGNEXTEND',
[codex:332726] 0x10:'LT',0x11:'GT',0x12:'SLT',0x13:'SGT',0x14:'EQ',0x15:'ISZERO',0x16:'AND',0x17:'OR',0x18:'XOR',0x19:'NOT',0x1a:'BYTE',
[codex:332726] 0x20:'SHA3',0x30:'ADDRESS',0x31:'BALANCE',0x32:'ORIGIN',0x33:'CALLER',0x34:'CALLVALUE',0x35:'CALLDATALOAD',0x36:'CALLDATASIZE',0x37:'CALLDATACOPY',0x38:'CODESIZE',0x39:'CODECOPY',0x3a:'GASPRICE',0x3b:'EXTCODESIZE',0x3c:'EXTCODECOPY',0x3d:'RETURNDATASIZE',0x3e:'RETURNDATACOPY',0x3f:'EXTCODEHASH',
[codex:332726] 0x40:'BLOCKHASH',0x41:'COINBASE',0x42:'TIMESTAMP',0x43:'NUMBER',0x44:'DIFFICULTY',0x45:'GASLIMIT',0x46:'CHAINID',0x47:'SELFBALANCE',0x48:'BASEFEE',
[codex:332726] 0x50:'POP',0x51:'MLOAD',0x52:'MSTORE',0x53:'MSTORE8',0x54:'SLOAD',0x55:'SSTORE',0x56:'JUMP',0x57:'JUMPI',0x58:'PC',0x59:'MSIZE',0x5a:'GAS',0x5b:'JUMPDEST',
[codex:332726] 0x60:'PUSH1',0x61:'PUSH2',0x62:'PUSH3',0x63:'PUSH4',0x64:'PUSH5',0x65:'PUSH6',0x66:'PUSH7',0x67:'PUSH8',0x68:'PUSH9',0x69:'PUSH10',0x6a:'PUSH11',0x6b:'PUSH12',0x6c:'PUSH13',0x6d:'PUSH14',0x6e:'PUSH15',0x6f:'PUSH16',0x70:'PUSH17',0x71:'PUSH18',0x72:'PUSH19',0x73:'PUSH20',0x74:'PUSH21',0x75:'PUSH22',0x76:'PUSH23',0x77:'PUSH24',0x78:'PUSH25',0x79:'PUSH26',0x7a:'PUSH27',0x7b:'PUSH28',0x7c:'PUSH29',0x7d:'PUSH30',0x7e:'PUSH31',0x7f:'PUSH32',
[codex:332726] 0x80:'DUP1',0x81:'DUP2',0x82:'DUP3',0x83:'DUP4',0x84:'DUP5',0x85:'DUP6',0x86:'DUP7',0x87:'DUP8',0x88:'DUP9',0x89:'DUP10',0x8a:'DUP11',0x8b:'DUP12',0x8c:'DUP13',0x8d:'DUP14',0x8e:'DUP15',0x8f:'DUP16',
[codex:332726] 0x90:'SWAP1',0x91:'SWAP2',0x92:'SWAP3',0x93:'SWAP4',0x94:'SWAP5',0x95:'SWAP6',0x96:'SWAP7',0x97:'SWAP8',0x98:'SWAP9',0x99:'SWAP10',0x9a:'SWAP11',0x9b:'SWAP12',0x9c:'SWAP13',0x9d:'SWAP14',0x9e:'SWAP15',0x9f:'SWAP16',
[codex:332726] 0xa0:'LOG0',0xa1:'LOG1',0xa2:'LOG2',0xa3:'LOG3',0xa4:'LOG4',
[codex:332726] 0xf0:'CREATE',0xf1:'CALL',0xf2:'CALLCODE',0xf3:'RETURN',0xf4:'DELEGATECALL',0xf5:'CREATE2',0xfa:'STATICCALL',0xfd:'REVERT',0xfe:'INVALID',0xff:'SELFDESTRUCT'
[codex:332726] }
[codex:332726]
[codex:332726] b=bytes.fromhex(code)
[codex:332726]
[codex:332726] def disasm_range(start,end):
[codex:332726] i=start
[codex:332726] out=[]
[codex:332726] while i < end:
[codex:332726] op=b[i]
[codex:332726] name=opnames.get(op,'UNKNOWN')
[codex:332726] if 0x60 <= op <= 0x7f:
[codex:332726] n=op-0x5f
[codex:332726] data=b[i+1:i+1+n]
[codex:332726] out.append((i,name,data.hex()))
[codex:332726] i+=1+n
[codex:332726] else:
[codex:332726] out.append((i,name,None))
[codex:332726] i+=1
[codex:332726] return out
[codex:332726]
[codex:332726] ops=disasm_range(0x0000, 0x0120)
[codex:332726] for off,name,data in ops:
[codex:332726] if data is None:
[codex:332726] print(f'{off:04x} {name}')
[codex:332726] else:
[codex:332726] print(f'{off:04x} {name} 0x{data}')
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 35ms:
[codex:332726] 0000 PUSH1 0x60
[codex:332726] 0002 PUSH1 0x40
[codex:332726] 0004 MSTORE
[codex:332726] 0005 CALLDATASIZE
[codex:332726] 0006 ISZERO
[codex:332726] 0007 PUSH2 0x004a
[codex:332726] 000a JUMPI
[codex:332726] 000b PUSH1 0x00
[codex:332726] 000d CALLDATALOAD
[codex:332726] 000e PUSH29 0x0100000000000000000000000000000000000000000000000000000000
[codex:332726] 002c SWAP1
[codex:332726] 002d DIV
[codex:332726] 002e PUSH4 0xffffffff
[codex:332726] 0033 AND
[codex:332726] 0034 DUP1
[codex:332726] 0035 PUSH4 0x2e1a7d4d
[codex:332726] 003a EQ
[codex:332726] 003b PUSH2 0x0579
[codex:332726] 003e JUMPI
[codex:332726] 003f DUP1
[codex:332726]
[codex:332726] thinking
[codex:332726] **Analyzing complex fallback with call patterns**
[codex:332726]
[codex:332726] I'm examining a complicated fallback that manipulates the stack heavily, possibly a custom VM or puzzle. It seems to compute contract addresses using RLP encoding and keccak hashing, then calls these computed addresses, perhaps for interacting with spawned contracts. I want to verify if any of these calls can send ETH to the caller in a way exploitable by the user, so I'll disassemble a larger region to understand the control flow and variable influence better.
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726] # disassembler
[codex:332726] opnames={
[codex:332726] 0x00:'STOP',0x01:'ADD',0x02:'MUL',0x03:'SUB',0x04:'DIV',0x05:'SDIV',0x06:'MOD',0x07:'SMOD',0x08:'ADDMOD',0x09:'MULMOD',0x0a:'EXP',0x0b:'SIGNEXTEND',
[codex:332726] 0x10:'LT',0x11:'GT',0x12:'SLT',0x13:'SGT',0x14:'EQ',0x15:'ISZERO',0x16:'AND',0x17:'OR',0x18:'XOR',0x19:'NOT',0x1a:'BYTE',
[codex:332726] 0x20:'SHA3',0x30:'ADDRESS',0x31:'BALANCE',0x32:'ORIGIN',0x33:'CALLER',0x34:'CALLVALUE',0x35:'CALLDATALOAD',0x36:'CALLDATASIZE',0x37:'CALLDATACOPY',0x38:'CODESIZE',0x39:'CODECOPY',0x3a:'GASPRICE',0x3b:'EXTCODESIZE',0x3c:'EXTCODECOPY',0x3d:'RETURNDATASIZE',0x3e:'RETURNDATACOPY',0x3f:'EXTCODEHASH',
[codex:332726] 0x40:'BLOCKHASH',0x41:'COINBASE',0x42:'TIMESTAMP',0x43:'NUMBER',0x44:'DIFFICULTY',0x45:'GASLIMIT',0x46:'CHAINID',0x47:'SELFBALANCE',0x48:'BASEFEE',
[codex:332726] 0x50:'POP',0x51:'MLOAD',0x52:'MSTORE',0x53:'MSTORE8',0x54:'SLOAD',0x55:'SSTORE',0x56:'JUMP',0x57:'JUMPI',0x58:'PC',0x59:'MSIZE',0x5a:'GAS',0x5b:'JUMPDEST',
[codex:332726] 0x60:'PUSH1',0x61:'PUSH2',0x62:'PUSH3',0x63:'PUSH4',0x64:'PUSH5',0x65:'PUSH6',0x66:'PUSH7',0x67:'PUSH8',0x68:'PUSH9',0x69:'PUSH10',0x6a:'PUSH11',0x6b:'PUSH12',0x6c:'PUSH13',0x6d:'PUSH14',0x6e:'PUSH15',0x6f:'PUSH16',0x70:'PUSH17',0x71:'PUSH18',0x72:'PUSH19',0x73:'PUSH20',0x74:'PUSH21',0x75:'PUSH22',0x76:'PUSH23',0x77:'PUSH24',0x78:'PUSH25',0x79:'PUSH26',0x7a:'PUSH27',0x7b:'PUSH28',0x7c:'PUSH29',0x7d:'PUSH30',0x7e:'PUSH31',0x7f:'PUSH32',
[codex:332726] 0x80:'DUP1',0x81:'DUP2',0x82:'DUP3',0x83:'DUP4',0x84:'DUP5',0x85:'DUP6',0x86:'DUP7',0x87:'DUP8',0x88:'DUP9',0x89:'DUP10',0x8a:'DUP11',0x8b:'DUP12',0x8c:'DUP13',0x8d:'DUP14',0x8e:'DUP15',0x8f:'DUP16',
[codex:332726] 0x90:'SWAP1',0x91:'SWAP2',0x92:'SWAP3',0x93:'SWAP4',0x94:'SWAP5',0x95:'SWAP6',0x96:'SWAP7',0x97:'SWAP8',0x98:'SWAP9',0x99:'SWAP10',0x9a:'SWAP11',0x9b:'SWAP12',0x9c:'SWAP13',0x9d:'SWAP14',0x9e:'SWAP15',0x9f:'SWAP16',
[codex:332726] 0xa0:'LOG0',0xa1:'LOG1',0xa2:'LOG2',0xa3:'LOG3',0xa4:'LOG4',
[codex:332726] 0xf0:'CREATE',0xf1:'CALL',0xf2:'CALLCODE',0xf3:'RETURN',0xf4:'DELEGATECALL',0xf5:'CREATE2',0xfa:'STATICCALL',0xfd:'REVERT',0xfe:'INVALID',0xff:'SELFDESTRUCT'
[codex:332726] }
[codex:332726]
[codex:332726] b=bytes.fromhex(code)
[codex:332726]
[codex:332726] def disasm_range(start,end):
[codex:332726] i=start
[codex:332726] out=[]
[codex:332726] while i < end:
[codex:332726] op=b[i]
[codex:332726] name=opnames.get(op,'UNKNOWN')
[codex:332726] if 0x60 <= op <= 0x7f:
[codex:332726] n=op-0x5f
[codex:332726] data=b[i+1:i+1+n]
[codex:332726] out.append((i,name,data.hex()))
[codex:332726] i+=1+n
[codex:332726] else:
[codex:332726] out.append((i,name,None))
[codex:332726] i+=1
[codex:332726] return out
[codex:332726]
[codex:332726] ops=disasm_range(0x0180, 0x0400)
[codex:332726] for off,name,data in ops:
[codex:332726] if data is None:
[codex:332726] print(f'{off:04x} {name}')
[codex:332726] else:
[codex:332726] print(f'{off:04x} {name} 0x{data}')
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 29ms:
[codex:332726] 0180 ADD
[codex:332726] 0181 MUL
[codex:332726] 0182 PUSH1 0x01
[codex:332726] 0184 DUP8
[codex:332726] 0185 SUB
[codex:332726] 0186 BLOCKHASH
[codex:332726] 0187 PUSH1 0x00
[codex:332726] 0189 NOT
[codex:332726] 018a AND
[codex:332726] 018b EQ
[codex:332726] 018c ISZERO
[codex:332726] 018d ISZERO
[codex:332726] 018e PUSH2 0x0420
[codex:332726] 0191 JUMPI
[codex:332726] 0192 DUP10
[codex:332726] 0193 PUSH30 0x010000000000000000000000000000000000000000000000000000000000
[codex:332726] 01b2 SWAP1
[codex:332726] 01b3 DIV
[codex:332726] 01b4 SWAP5
[codex:332726] 01b5 POP
[codex:332726]
[codex:332726] thinking
[codex:332726] **Analyzing contract address computation and call arguments**
[codex:332726]
[codex:332726] I'm examining how the code computes contract addresses based on sender and nonce using RLP encoding and iterates over different nonce size ranges. I want to symbolically simulate the stack around the CALL instructions to figure out if the call value depends on the external msg.value or some internal storage, so I can understand the actual call arguments and potential effects of these calls. This involves building a stack simulator to track stack items through the opcodes preceding the CALL.
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726]
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726]
[codex:332726] opnames={
[codex:332726] 0x00:'STOP',0x01:'ADD',0x02:'MUL',0x03:'SUB',0x04:'DIV',0x05:'SDIV',0x06:'MOD',0x07:'SMOD',0x08:'ADDMOD',0x09:'MULMOD',0x0a:'EXP',0x0b:'SIGNEXTEND',
[codex:332726] 0x10:'LT',0x11:'GT',0x12:'SLT',0x13:'SGT',0x14:'EQ',0x15:'ISZERO',0x16:'AND',0x17:'OR',0x18:'XOR',0x19:'NOT',0x1a:'BYTE',
[codex:332726] 0x20:'SHA3',0x30:'ADDRESS',0x31:'BALANCE',0x32:'ORIGIN',0x33:'CALLER',0x34:'CALLVALUE',0x35:'CALLDATALOAD',0x36:'CALLDATASIZE',0x37:'CALLDATACOPY',0x38:'CODESIZE',0x39:'CODECOPY',0x3a:'GASPRICE',0x3b:'EXTCODESIZE',0x3c:'EXTCODECOPY',0x3d:'RETURNDATASIZE',0x3e:'RETURNDATACOPY',0x3f:'EXTCODEHASH',
[codex:332726] 0x40:'BLOCKHASH',0x41:'COINBASE',0x42:'TIMESTAMP',0x43:'NUMBER',0x44:'DIFFICULTY',0x45:'GASLIMIT',0x46:'CHAINID',0x47:'SELFBALANCE',0x48:'BASEFEE',
[codex:332726] 0x50:'POP',0x51:'MLOAD',0x52:'MSTORE',0x53:'MSTORE8',0x54:'SLOAD',0x55:'SSTORE',0x56:'JUMP',0x57:'JUMPI',0x58:'PC',0x59:'MSIZE',0x5a:'GAS',0x5b:'JUMPDEST',
[codex:332726] 0x60:'PUSH1',0x61:'PUSH2',0x62:'PUSH3',0x63:'PUSH4',0x64:'PUSH5',0x65:'PUSH6',0x66:'PUSH7',0x67:'PUSH8',0x68:'PUSH9',0x69:'PUSH10',0x6a:'PUSH11',0x6b:'PUSH12',0x6c:'PUSH13',0x6d:'PUSH14',0x6e:'PUSH15',0x6f:'PUSH16',0x70:'PUSH17',0x71:'PUSH18',0x72:'PUSH19',0x73:'PUSH20',0x74:'PUSH21',0x75:'PUSH22',0x76:'PUSH23',0x77:'PUSH24',0x78:'PUSH25',0x79:'PUSH26',0x7a:'PUSH27',0x7b:'PUSH28',0x7c:'PUSH29',0x7d:'PUSH30',0x7e:'PUSH31',0x7f:'PUSH32',
[codex:332726] 0x80:'DUP1',0x81:'DUP2',0x82:'DUP3',0x83:'DUP4',0x84:'DUP5',0x85:'DUP6',0x86:'DUP7',0x87:'DUP8',0x88:'DUP9',0x89:'DUP10',0x8a:'DUP11',0x8b:'DUP12',0x8c:'DUP13',0x8d:'DUP14',0x8e:'DUP15',0x8f:'DUP16',
[codex:332726] 0x90:'SWAP1',0x91:'SWAP2',0x92:'SWAP3',0x93:'SWAP4',0x94:'SWAP5',0x95:'SWAP6',0x96:'SWAP7',0x97:'SWAP8',0x98:'SWAP9',0x99:'SWAP10',0x9a:'SWAP11',0x9b:'SWAP12',0x9c:'SWAP13',0x9d:'SWAP14',0x9e:'SWAP15',0x9f:'SWAP16',
[codex:332726] 0xa0:'LOG0',0xa1:'LOG1',0xa2:'LOG2',0xa3:'LOG3',0xa4:'LOG4',
[codex:332726] 0xf0:'CREATE',0xf1:'CALL',0xf2:'CALLCODE',0xf3:'RETURN',0xf4:'DELEGATECALL',0xf5:'CREATE2',0xfa:'STATICCALL',0xfd:'REVERT',0xfe:'INVALID',0xff:'SELFDESTRUCT'
[codex:332726] }
[codex:332726]
[codex:332726] b=bytes.fromhex(code)
[codex:332726]
[codex:332726] def parse_ops(start,end):
[codex:332726] i=start
[codex:332726] ops=[]
[codex:332726] while i<end:
[codex:332726] op=b[i]
[codex:332726] name=opnames.get(op,'UNKNOWN')
[codex:332726] if 0x60<=op<=0x7f:
[codex:332726] n=op-0x5f
[codex:332726] data=b[i+1:i+1+n]
[codex:332726] ops.append((i,name,data.hex()))
[codex:332726] i+=1+n
[codex:332726] else:
[codex:332726] ops.append((i,name,None))
[codex:332726] i+=1
[codex:332726] return ops
[codex:332726]
[codex:332726] # simple symbolic stack
[codex:332726]
[codex:332726] def simulate(start,end,initial_depth=12):
[codex:332726] ops=parse_ops(start,end)
[codex:332726] stack=[f's{i}' for i in range(initial_depth)] # s0 is top? we will use stack[-1] as top
[codex:332726] # We'll treat stack list with top at end
[codex:332726] stack=list(reversed(stack)) # so stack[-1] is s0 (top)
[codex:332726]
[codex:332726] def push(val):
[codex:332726] stack.append(val)
[codex:332726] def pop():
[codex:332726] return stack.pop()
[codex:332726]
[codex:332726] for off,name,data in ops:
[codex:332726] if name.startswith('PUSH'):
[codex:332726] push(f'0x{data}')
[codex:332726] elif name.startswith('DUP'):
[codex:332726] n=int(name[3:])
[codex:332726] push(stack[-n])
[codex:332726] elif name.startswith('SWAP'):
[codex:332726] n=int(name[4:])
[codex:332726] stack[-1],stack[-1-n]=stack[-1-n],stack[-1]
[codex:332726] elif name=='POP':
[codex:332726] pop()
[codex:332726] elif name in ('ADD','SUB','MUL','DIV','MOD','EXP','AND','OR','XOR','LT','GT','EQ','ISZERO','NOT','SHA3','MLOAD','SLOAD','CALLDATALOAD','CALLVALUE','CALLER','ORIGIN','GAS','GASPRICE','BLOCKHASH','NUMBER','TIMESTAMP','COINBASE','DIFFICULTY','GASLIMIT','BASEFEE','BALANCE','EXTCODESIZE','EXTCODEHASH','SELFBALANCE'):
[codex:332726] # treat as unary or binary depending
[codex:332726] if name in ('ISZERO','NOT','MLOAD','SLOAD','CALLDATALOAD','CALLVALUE','CALLER','ORIGIN','GAS','GASPRICE','BLOCKHASH','NUMBER','TIMESTAMP','COINBASE','DIFFICULTY','GASLIMIT','BASEFEE','BALANCE','EXTCODESIZE','EXTCODEHASH','SELFBALANCE'):
[codex:332726] if name=='CALLVALUE':
[codex:332726] push('CALLVALUE')
[codex:332726] elif name=='CALLER':
[codex:332726] push('CALLER')
[codex:332726] elif name=='ORIGIN':
[codex:332726] push('ORIGIN')
[codex:332726] elif name=='GAS':
[codex:332726] push('GAS')
[codex:332726] elif name=='GASLIMIT':
[codex:332726] push('GASLIMIT')
[codex:332726] elif name=='GASPRICE':
[codex:332726] push('GASPRICE')
[codex:332726] else:
[codex:332726] v=pop(); push(f'{name}({v})')
[codex:332726] else:
[codex:332726] b=pop(); a=pop(); push(f'{name}({a},{b})')
[codex:332726] elif name=='MSTORE':
[codex:332726] # pop offset, value
[codex:332726] v=pop(); off2=pop();
[codex:332726] # ignore
[codex:332726] elif name=='CALL':
[codex:332726] # pop 7 args
[codex:332726] out_size=pop(); out_off=pop(); in_size=pop(); in_off=pop(); value=pop(); to=pop(); gas=pop();
[codex:332726] print(f'CALL at {off:04x}: gas={gas}, to={to}, value={value}, in_off={in_off}, in_size={in_size}, out_off={out_off}, out_size={out_size}')
[codex:332726] push('CALL_RESULT')
[codex:332726] elif name in ('JUMP','JUMPI','JUMPDEST','RETURN','REVERT','STOP','SSTORE','MSTORE8','LOG0','LOG1','LOG2','LOG3','LOG4','CALLDATASIZE','CALLDATACOPY','CODECOPY','EXTCODECOPY','RETURNDATACOPY','RETURNDATASIZE','CREATE','CREATE2','CALLCODE','DELEGATECALL','STATICCALL'):
[codex:332726] # not modeling control flow or memory
[codex:332726] if name=='CALLDATASIZE':
[codex:332726] push('CALLDATASIZE')
[codex:332726] elif name=='RETURNDATASIZE':
[codex:332726] push('RETURNDATASIZE')
[codex:332726] elif name=='CALLDATACOPY':
[codex:332726] # pop 3
[codex:332726] pop(); pop(); pop();
[codex:332726] elif name=='RETURNDATACOPY':
[codex:332726] pop(); pop(); pop();
[codex:332726] elif name=='CODECOPY':
[codex:332726] pop(); pop(); pop();
[codex:332726] elif name=='EXTCODECOPY':
[codex:332726] pop(); pop(); pop(); pop();
[codex:332726] elif name=='SSTORE':
[codex:332726] pop(); pop();
[codex:332726] elif name=='MSTORE8':
[codex:332726] pop(); pop();
[codex:332726] elif name=='LOG0':
[codex:332726] pop(); pop();
[codex:332726] elif name=='LOG1':
[codex:332726] pop(); pop(); pop();
[codex:332726] elif name=='LOG2':
[codex:332726] pop(); pop(); pop(); pop();
[codex:332726] elif name=='LOG3':
[codex:332726] pop(); pop(); pop(); pop(); pop();
[codex:332726] elif name=='LOG4':
[codex:332726] pop(); pop(); pop(); pop(); pop(); pop();
[codex:332726] elif name=='CALLCODE':
[codex:332726] out_size=pop(); out_off=pop(); in_size=pop(); in_off=pop(); value=pop(); to=pop(); gas=pop();
[codex:332726] push('CALLCODE_RESULT')
[codex:332726] elif name=='DELEGATECALL':
[codex:332726] out_size=pop(); out_off=pop(); in_size=pop(); in_off=pop(); to=pop(); gas=pop();
[codex:332726] push('DELEGATECALL_RESULT')
[codex:332726] elif name=='STATICCALL':
[codex:332726] out_size=pop(); out_off=pop(); in_size=pop(); in_off=pop(); to=pop(); gas=pop();
[codex:332726] push('STATICCALL_RESULT')
[codex:332726] elif name=='CREATE':
[codex:332726] pop(); pop(); pop(); push('CREATE_ADDR')
[codex:332726] elif name=='CREATE2':
[codex:332726] pop(); pop(); pop(); pop(); push('CREATE2_ADDR')
[codex:332726] else:
[codex:332726] pass
[codex:332726] else:
[codex:332726] pass
[codex:332726] return stack
[codex:332726]
[codex:332726] # simulate around call at 0x30a
[codex:332726] print('---simulate 0x02d6-0x030b---')
[codex:332726] simulate(0x02d6,0x030b,initial_depth=12)
[codex:332726] print('---simulate 0x031a-0x0344---')
[codex:332726] simulate(0x031a,0x0344,initial_depth=12)
[codex:332726] print('---simulate 0x0353-0x037c---')
[codex:332726] simulate(0x0353,0x037c,initial_depth=12)
[codex:332726] print('---simulate 0x0382-0x03aa---')
[codex:332726] simulate(0x0382,0x03aa,initial_depth=12)
[codex:332726]
[codex:332726] print('---simulate 0x05cf-0x0609---')
[codex:332726] simulate(0x05cf,0x0609,initial_depth=8)
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 36ms:
[codex:332726] ---simulate 0x02d6-0x030b---
[codex:332726] CALL at 030a: gas=CALLVALUE, to=CALLVALUE, value=CALLVALUE, in_off=CALLVALUE, in_size=CALLVALUE, out_off=SHA3(0x1a,0x06), out_size=GAS
[codex:332726] ---simulate 0x031a-0x0344---
[codex:332726] CALL at 0343: gas=CALLVALUE, to=CALLVALUE, value=CALLVALUE, in_off=CALLVALUE, in_size=CALLVALUE, out_off=SHA3(0x19,0x07), out_size=GAS
[codex:332726] ---simulate 0x0353-0x037c---
[codex:332726] CALL at 037b: gas=CALLVALUE, to=CALLVALUE, value=CALLVALUE, in_off=CALLVALUE, in_size=CALLVALUE, out_off=SHA3(0x18,0x08), out_size=GAS
[codex:332726] ---simulate 0x0382-0x03aa---
[codex:332726] CALL at 03a9: gas=CALLVALUE, to=CALLVALUE, value=CALLVALUE, in_off=CALLVALUE, in_size=CALLVALUE, out_off=SHA3(0x17,0x09), out_size=GAS
[codex:332726] ---simulate 0x05cf-0x0609---
[codex:332726] CALL at 0608: gas=0x00, to=MLOAD(0x40), value=SUB(MLOAD(0x40),MLOAD(0x40)), in_off=MLOAD(0x40), in_size=0x0619, out_off=AND(ORIGIN,0xffffffffffffffffffffffffffffffffffffffff), out_size=MUL(0x08fc,ISZERO(0x0619))
[codex:332726]
[codex:332726] thinking
[codex:332726] **Analyzing symbolic EVM call argument mapping**
[codex:332726]
[codex:332726] I'm examining the stack behavior around CALL instructions to understand argument values better. It looks like CALL arguments often include CALLVALUE placeholders, but gas and destination addresses seem derived from earlier instructions like GAS and SHA3. I'm verifying stack depths and contents before CALL to clarify how value transfers are modeled, aiming to improve the symbolic simulation accuracy. I'll also start setting up a more precise interpreter with initial stack and symbolic memory to handle the code path involving argument-dependent calls.
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726]
[codex:332726] opnames={
[codex:332726] 0x00:'STOP',0x01:'ADD',0x02:'MUL',0x03:'SUB',0x04:'DIV',0x05:'SDIV',0x06:'MOD',0x07:'SMOD',0x08:'ADDMOD',0x09:'MULMOD',0x0a:'EXP',0x0b:'SIGNEXTEND',
[codex:332726] 0x10:'LT',0x11:'GT',0x12:'SLT',0x13:'SGT',0x14:'EQ',0x15:'ISZERO',0x16:'AND',0x17:'OR',0x18:'XOR',0x19:'NOT',0x1a:'BYTE',
[codex:332726] 0x20:'SHA3',0x30:'ADDRESS',0x31:'BALANCE',0x32:'ORIGIN',0x33:'CALLER',0x34:'CALLVALUE',0x35:'CALLDATALOAD',0x36:'CALLDATASIZE',0x37:'CALLDATACOPY',0x38:'CODESIZE',0x39:'CODECOPY',0x3a:'GASPRICE',0x3b:'EXTCODESIZE',0x3c:'EXTCODECOPY',0x3d:'RETURNDATASIZE',0x3e:'RETURNDATACOPY',0x3f:'EXTCODEHASH',
[codex:332726] 0x40:'BLOCKHASH',0x41:'COINBASE',0x42:'TIMESTAMP',0x43:'NUMBER',0x44:'DIFFICULTY',0x45:'GASLIMIT',0x46:'CHAINID',0x47:'SELFBALANCE',0x48:'BASEFEE',
[codex:332726] 0x50:'POP',0x51:'MLOAD',0x52:'MSTORE',0x53:'MSTORE8',0x54:'SLOAD',0x55:'SSTORE',0x56:'JUMP',0x57:'JUMPI',0x58:'PC',0x59:'MSIZE',0x5a:'GAS',0x5b:'JUMPDEST',
[codex:332726] 0x60:'PUSH1',0x61:'PUSH2',0x62:'PUSH3',0x63:'PUSH4',0x64:'PUSH5',0x65:'PUSH6',0x66:'PUSH7',0x67:'PUSH8',0x68:'PUSH9',0x69:'PUSH10',0x6a:'PUSH11',0x6b:'PUSH12',0x6c:'PUSH13',0x6d:'PUSH14',0x6e:'PUSH15',0x6f:'PUSH16',0x70:'PUSH17',0x71:'PUSH18',0x72:'PUSH19',0x73:'PUSH20',0x74:'PUSH21',0x75:'PUSH22',0x76:'PUSH23',0x77:'PUSH24',0x78:'PUSH25',0x79:'PUSH26',0x7a:'PUSH27',0x7b:'PUSH28',0x7c:'PUSH29',0x7d:'PUSH30',0x7e:'PUSH31',0x7f:'PUSH32',
[codex:332726] 0x80:'DUP1',0x81:'DUP2',0x82:'DUP3',0x83:'DUP4',0x84:'DUP5',0x85:'DUP6',0x86:'DUP7',0x87:'DUP8',0x88:'DUP9',0x89:'DUP10',0x8a:'DUP11',0x8b:'DUP12',0x8c:'DUP13',0x8d:'DUP14',0x8e:'DUP15',0x8f:'DUP16',
[codex:332726] 0x90:'SWAP1',0x91:'SWAP2',0x92:'SWAP3',0x93:'SWAP4',0x94:'SWAP5',0x95:'SWAP6',0x96:'SWAP7',0x97:'SWAP8',0x98:'SWAP9',0x99:'SWAP10',0x9a:'SWAP11',0x9b:'SWAP12',0x9c:'SWAP13',0x9d:'SWAP14',0x9e:'SWAP15',0x9f:'SWAP16',
[codex:332726] 0xa0:'LOG0',0xa1:'LOG1',0xa2:'LOG2',0xa3:'LOG3',0xa4:'LOG4',
[codex:332726] 0xf0:'CREATE',0xf1:'CALL',0xf2:'CALLCODE',0xf3:'RETURN',0xf4:'DELEGATECALL',0xf5:'CREATE2',0xfa:'STATICCALL',0xfd:'REVERT',0xfe:'INVALID',0xff:'SELFDESTRUCT'
[codex:332726] }
[codex:332726]
[codex:332726] b=bytes.fromhex(code)
[codex:332726]
[codex:332726] def parse_ops(start,end):
[codex:332726] i=start
[codex:332726] ops=[]
[codex:332726] while i<end:
[codex:332726] op=b[i]
[codex:332726] name=opnames.get(op,'UNKNOWN')
[codex:332726] if 0x60<=op<=0x7f:
[codex:332726] n=op-0x5f
[codex:332726] data=b[i+1:i+1+n]
[codex:332726] ops.append((i,name,data.hex()))
[codex:332726] i+=1+n
[codex:332726] else:
[codex:332726] ops.append((i,name,None))
[codex:332726] i+=1
[codex:332726] return ops
[codex:332726]
[codex:332726] ops=parse_ops(0x05cf,0x0609)
[codex:332726] stack=['arg']
[codex:332726] mem={}
[codex:332726]
[codex:332726] def pop():
[codex:332726] return stack.pop()
[codex:332726]
[codex:332726] def push(x):
[codex:332726] stack.append(x)
[codex:332726]
[codex:332726] for off,name,data in ops:
[codex:332726] if name.startswith('PUSH'):
[codex:332726] push(f'0x{data}')
[codex:332726] elif name.startswith('DUP'):
[codex:332726] n=int(name[3:])
[codex:332726] push(stack[-n])
[codex:332726] elif name.startswith('SWAP'):
[codex:332726] n=int(name[4:])
[codex:332726] stack[-1],stack[-1-n]=stack[-1-n],stack[-1]
[codex:332726] elif name=='POP':
[codex:332726] pop()
[codex:332726] elif name in ('GT','LT','EQ','ADD','SUB','MUL','DIV','AND','OR'):
[codex:332726] b=pop(); a=pop(); push(f'{name}({a},{b})')
[codex:332726] elif name=='ISZERO':
[codex:332726] a=pop(); push(f'ISZERO({a})')
[codex:332726] elif name=='ORIGIN':
[codex:332726] push('ORIGIN')
[codex:332726] elif name=='CALLVALUE':
[codex:332726] push('CALLVALUE')
[codex:332726] elif name=='GAS':
[codex:332726] push('GAS')
[codex:332726] elif name=='MLOAD':
[codex:332726] addr=pop(); push(f'MLOAD({addr})')
[codex:332726] elif name=='SLOAD':
[codex:332726] addr=pop(); push(f'SLOAD({addr})')
[codex:332726] elif name=='MSTORE':
[codex:332726] val=pop(); addr=pop(); mem[addr]=val
[codex:332726] elif name=='JUMPI':
[codex:332726] dest=pop(); cond=pop();
[codex:332726] # ignore control flow
[codex:332726] elif name=='CALL':
[codex:332726] out_size=pop(); out_off=pop(); in_size=pop(); in_off=pop(); value=pop(); to=pop(); gas=pop();
[codex:332726] print(f'CALL at {off:04x}: gas={gas}, to={to}, value={value}, in_off={in_off}, in_size={in_size}, out_off={out_off}, out_size={out_size}')
[codex:332726] push('CALL_RESULT')
[codex:332726] elif name in ('JUMP','JUMPDEST','REVERT','STOP'):
[codex:332726] pass
[codex:332726] elif name=='GASLIMIT':
[codex:332726] push('GASLIMIT')
[codex:332726] else:
[codex:332726] # ignore others
[codex:332726] pass
[codex:332726]
[codex:332726] print('final stack:', stack)
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 28ms:
[codex:332726] CALL at 0608: gas=0x00, to=MLOAD(0x40), value=SUB(MLOAD(0x40),MLOAD(0x40)), in_off=MLOAD(0x40), in_size=arg, out_off=AND(ORIGIN,0xffffffffffffffffffffffffffffffffffffffff), out_size=MUL(0x08fc,ISZERO(arg))
[codex:332726] final stack: ['arg', 'AND(ORIGIN,0xffffffffffffffffffffffffffffffffffffffff)', 'MUL(0x08fc,ISZERO(arg))', 'arg', 'MLOAD(0x40)', 'CALL_RESULT']
[codex:332726]
[codex:332726] thinking
[codex:332726] **Analyzing EVM CALL stack behavior**
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726]
[codex:332726] opnames={
[codex:332726] 0x00:'STOP',0x01:'ADD',0x02:'MUL',0x03:'SUB',0x04:'DIV',0x05:'SDIV',0x06:'MOD',0x07:'SMOD',0x08:'ADDMOD',0x09:'MULMOD',0x0a:'EXP',0x0b:'SIGNEXTEND',
[codex:332726] 0x10:'LT',0x11:'GT',0x12:'SLT',0x13:'SGT',0x14:'EQ',0x15:'ISZERO',0x16:'AND',0x17:'OR',0x18:'XOR',0x19:'NOT',0x1a:'BYTE',
[codex:332726] 0x20:'SHA3',0x30:'ADDRESS',0x31:'BALANCE',0x32:'ORIGIN',0x33:'CALLER',0x34:'CALLVALUE',0x35:'CALLDATALOAD',0x36:'CALLDATASIZE',0x37:'CALLDATACOPY',0x38:'CODESIZE',0x39:'CODECOPY',0x3a:'GASPRICE',0x3b:'EXTCODESIZE',0x3c:'EXTCODECOPY',0x3d:'RETURNDATASIZE',0x3e:'RETURNDATACOPY',0x3f:'EXTCODEHASH',
[codex:332726] 0x40:'BLOCKHASH',0x41:'COINBASE',0x42:'TIMESTAMP',0x43:'NUMBER',0x44:'DIFFICULTY',0x45:'GASLIMIT',0x46:'CHAINID',0x47:'SELFBALANCE',0x48:'BASEFEE',
[codex:332726] 0x50:'POP',0x51:'MLOAD',0x52:'MSTORE',0x53:'MSTORE8',0x54:'SLOAD',0x55:'SSTORE',0x56:'JUMP',0x57:'JUMPI',0x58:'PC',0x59:'MSIZE',0x5a:'GAS',0x5b:'JUMPDEST',
[codex:332726] 0x60:'PUSH1',0x61:'PUSH2',0x62:'PUSH3',0x63:'PUSH4',0x64:'PUSH5',0x65:'PUSH6',0x66:'PUSH7',0x67:'PUSH8',0x68:'PUSH9',0x69:'PUSH10',0x6a:'PUSH11',0x6b:'PUSH12',0x6c:'PUSH13',0x6d:'PUSH14',0x6e:'PUSH15',0x6f:'PUSH16',0x70:'PUSH17',0x71:'PUSH18',0x72:'PUSH19',0x73:'PUSH20',0x74:'PUSH21',0x75:'PUSH22',0x76:'PUSH23',0x77:'PUSH24',0x78:'PUSH25',0x79:'PUSH26',0x7a:'PUSH27',0x7b:'PUSH28',0x7c:'PUSH29',0x7d:'PUSH30',0x7e:'PUSH31',0x7f:'PUSH32',
[codex:332726] 0x80:'DUP1',0x81:'DUP2',0x82:'DUP3',0x83:'DUP4',0x84:'DUP5',0x85:'DUP6',0x86:'DUP7',0x87:'DUP8',0x88:'DUP9',0x89:'DUP10',0x8a:'DUP11',0x8b:'DUP12',0x8c:'DUP13',0x8d:'DUP14',0x8e:'DUP15',0x8f:'DUP16',
[codex:332726] 0x90:'SWAP1',0x91:'SWAP2',0x92:'SWAP3',0x93:'SWAP4',0x94:'SWAP5',0x95:'SWAP6',0x96:'SWAP7',0x97:'SWAP8',0x98:'SWAP9',0x99:'SWAP10',0x9a:'SWAP11',0x9b:'SWAP12',0x9c:'SWAP13',0x9d:'SWAP14',0x9e:'SWAP15',0x9f:'SWAP16',
[codex:332726] 0xa0:'LOG0',0xa1:'LOG1',0xa2:'LOG2',0xa3:'LOG3',0xa4:'LOG4',
[codex:332726] 0xf0:'CREATE',0xf1:'CALL',0xf2:'CALLCODE',0xf3:'RETURN',0xf4:'DELEGATECALL',0xf5:'CREATE2',0xfa:'STATICCALL',0xfd:'REVERT',0xfe:'INVALID',0xff:'SELFDESTRUCT'
[codex:332726] }
[codex:332726]
[codex:332726] b=bytes.fromhex(code)
[codex:332726]
[codex:332726] def parse_ops(start,end):
[codex:332726] i=start
[codex:332726] ops=[]
[codex:332726] while i<end:
[codex:332726] op=b[i]
[codex:332726] name=opnames.get(op,'UNKNOWN')
[codex:332726] if 0x60<=op<=0x7f:
[codex:332726] n=op-0x5f
[codex:332726] data=b[i+1:i+1+n]
[codex:332726] ops.append((i,name,data.hex()))
[codex:332726] i+=1+n
[codex:332726] else:
[codex:332726] ops.append((i,name,None))
[codex:332726] i+=1
[codex:332726] return ops
[codex:332726]
[codex:332726] ops=parse_ops(0x0579,0x05bf)
[codex:332726] stack=[]
[codex:332726]
[codex:332726] def pop():
[codex:332726] return stack.pop()
[codex:332726]
[codex:332726] def push(x):
[codex:332726] stack.append(x)
[codex:332726]
[codex:332726] for off,name,data in ops:
[codex:332726] if name.startswith('PUSH'):
[codex:332726] push(f'0x{data}')
[codex:332726] elif name.startswith('DUP'):
[codex:332726] n=int(name[3:])
[codex:332726] push(stack[-n])
[codex:332726] elif name.startswith('SWAP'):
[codex:332726] n=int(name[4:])
[codex:332726] stack[-1],stack[-1-n]=stack[-1-n],stack[-1]
[codex:332726] elif name=='POP':
[codex:332726] pop()
[codex:332726] elif name=='CALLVALUE':
[codex:332726] push('CALLVALUE')
[codex:332726] elif name=='CALLDATALOAD':
[codex:332726] offset=pop(); push(f'CALLDATALOAD({offset})')
[codex:332726] elif name in ('ADD','SUB','MUL','DIV','GT','LT','EQ','AND','OR'):
[codex:332726] b=pop(); a=pop(); push(f'{name}({a},{b})')
[codex:332726] elif name=='ISZERO':
[codex:332726] a=pop(); push(f'ISZERO({a})')
[codex:332726] elif name=='JUMPI':
[codex:332726] dest=pop(); cond=pop();
[codex:332726] elif name=='JUMP':
[codex:332726] dest=pop();
[codex:332726] if dest=='0x05bf':
[codex:332726] print('Jumping to 0x05bf with stack:', stack)
[codex:332726] elif name in ('REVERT','STOP','JUMPDEST'):
[codex:332726] pass
[codex:332726] else:
[codex:332726] pass
[codex:332726]
[codex:332726] print('stack at end:', stack)
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 28ms:
[codex:332726] Jumping to 0x05bf with stack: ['0x00', '0x00', '0x059a', 'CALLDATALOAD(0x04)']
[codex:332726] stack at end: ['0x00', '0x00', '0x059a', 'CALLDATALOAD(0x04)', '0x00', '0x00', '0x05bd', 'CALLDATALOAD(0x04)']
[codex:332726]
[codex:332726] thinking
[codex:332726] **Analyzing stack and security implications**
[codex:332726]
[codex:332726] I'm examining the stack behavior around internal jumps and return addresses to understand the extra items present, considering the function's use of tx.origin for access control. I'm also planning to investigate the fallback function's SSTORE operations to see if it can manipulate storage in a way that might indirectly enable restricted calls or transfers.
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726]
[codex:332726] b=bytes.fromhex(code)
[codex:332726]
[codex:332726] # disassemble quickly to find sstore
[codex:332726]
[codex:332726] o=0
[codex:332726] while o<len(b):
[codex:332726] op=b[o]
[codex:332726] if op==0x55:
[codex:332726] print(f'SSTORE at {o:04x}')
[codex:332726] o+=1
[codex:332726] elif 0x60<=op<=0x7f:
[codex:332726] o+=1+(op-0x5f)
[codex:332726] else:
[codex:332726] o+=1
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 34ms:
[codex:332726] SSTORE at 0138
[codex:332726] SSTORE at 04c0
[codex:332726] SSTORE at 0569
[codex:332726] SSTORE at 0630
[codex:332726]
[codex:332726] thinking
[codex:332726] **Analyzing storage writes and access control**
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726]
[codex:332726] # disassembler
[codex:332726] opnames={
[codex:332726] 0x00:'STOP',0x01:'ADD',0x02:'MUL',0x03:'SUB',0x04:'DIV',0x05:'SDIV',0x06:'MOD',0x07:'SMOD',0x08:'ADDMOD',0x09:'MULMOD',0x0a:'EXP',0x0b:'SIGNEXTEND',
[codex:332726] 0x10:'LT',0x11:'GT',0x12:'SLT',0x13:'SGT',0x14:'EQ',0x15:'ISZERO',0x16:'AND',0x17:'OR',0x18:'XOR',0x19:'NOT',0x1a:'BYTE',
[codex:332726] 0x20:'SHA3',0x30:'ADDRESS',0x31:'BALANCE',0x32:'ORIGIN',0x33:'CALLER',0x34:'CALLVALUE',0x35:'CALLDATALOAD',0x36:'CALLDATASIZE',0x37:'CALLDATACOPY',0x38:'CODESIZE',0x39:'CODECOPY',0x3a:'GASPRICE',0x3b:'EXTCODESIZE',0x3c:'EXTCODECOPY',0x3d:'RETURNDATASIZE',0x3e:'RETURNDATACOPY',0x3f:'EXTCODEHASH',
[codex:332726] 0x40:'BLOCKHASH',0x41:'COINBASE',0x42:'TIMESTAMP',0x43:'NUMBER',0x44:'DIFFICULTY',0x45:'GASLIMIT',0x46:'CHAINID',0x47:'SELFBALANCE',0x48:'BASEFEE',
[codex:332726] 0x50:'POP',0x51:'MLOAD',0x52:'MSTORE',0x53:'MSTORE8',0x54:'SLOAD',0x55:'SSTORE',0x56:'JUMP',0x57:'JUMPI',0x58:'PC',0x59:'MSIZE',0x5a:'GAS',0x5b:'JUMPDEST',
[codex:332726] 0x60:'PUSH1',0x61:'PUSH2',0x62:'PUSH3',0x63:'PUSH4',0x64:'PUSH5',0x65:'PUSH6',0x66:'PUSH7',0x67:'PUSH8',0x68:'PUSH9',0x69:'PUSH10',0x6a:'PUSH11',0x6b:'PUSH12',0x6c:'PUSH13',0x6d:'PUSH14',0x6e:'PUSH15',0x6f:'PUSH16',0x70:'PUSH17',0x71:'PUSH18',0x72:'PUSH19',0x73:'PUSH20',0x74:'PUSH21',0x75:'PUSH22',0x76:'PUSH23',0x77:'PUSH24',0x78:'PUSH25',0x79:'PUSH26',0x7a:'PUSH27',0x7b:'PUSH28',0x7c:'PUSH29',0x7d:'PUSH30',0x7e:'PUSH31',0x7f:'PUSH32',
[codex:332726] 0x80:'DUP1',0x81:'DUP2',0x82:'DUP3',0x83:'DUP4',0x84:'DUP5',0x85:'DUP6',0x86:'DUP7',0x87:'DUP8',0x88:'DUP9',0x89:'DUP10',0x8a:'DUP11',0x8b:'DUP12',0x8c:'DUP13',0x8d:'DUP14',0x8e:'DUP15',0x8f:'DUP16',
[codex:332726] 0x90:'SWAP1',0x91:'SWAP2',0x92:'SWAP3',0x93:'SWAP4',0x94:'SWAP5',0x95:'SWAP6',0x96:'SWAP7',0x97:'SWAP8',0x98:'SWAP9',0x99:'SWAP10',0x9a:'SWAP11',0x9b:'SWAP12',0x9c:'SWAP13',0x9d:'SWAP14',0x9e:'SWAP15',0x9f:'SWAP16',
[codex:332726] 0xa0:'LOG0',0xa1:'LOG1',0xa2:'LOG2',0xa3:'LOG3',0xa4:'LOG4',
[codex:332726] 0xf0:'CREATE',0xf1:'CALL',0xf2:'CALLCODE',0xf3:'RETURN',0xf4:'DELEGATECALL',0xf5:'CREATE2',0xfa:'STATICCALL',0xfd:'REVERT',0xfe:'INVALID',0xff:'SELFDESTRUCT'
[codex:332726] }
[codex:332726]
[codex:332726] b=bytes.fromhex(code)
[codex:332726]
[codex:332726] def disasm_range(start,end):
[codex:332726] i=start
[codex:332726] out=[]
[codex:332726] while i<end:
[codex:332726] op=b[i]
[codex:332726] name=opnames.get(op,'UNKNOWN')
[codex:332726] if 0x60<=op<=0x7f:
[codex:332726] n=op-0x5f
[codex:332726] data=b[i+1:i+1+n]
[codex:332726] out.append((i,name,data.hex()))
[codex:332726] i+=1+n
[codex:332726] else:
[codex:332726] out.append((i,name,None))
[codex:332726] i+=1
[codex:332726] return out
[codex:332726]
[codex:332726] for start in [0x0120,0x04b0,0x0550,0x0620]:
[codex:332726] print('\\n-- from',hex(start),'--')
[codex:332726] ops=disasm_range(start,start+0x50)
[codex:332726] for off,name,data in ops:
[codex:332726] if data is None:
[codex:332726] print(f'{off:04x} {name}')
[codex:332726] else:
[codex:332726] print(f'{off:04x} {name} 0x{data}')
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 27ms:
[codex:332726]
[codex:332726] -- from 0x120 --
[codex:332726] 0120 STOP
[codex:332726] 0121 STOP
[codex:332726] 0122 STOP
[codex:332726] 0123 STOP
[codex:332726] 0124 STOP
[codex:332726] 0125 STOP
[codex:332726] 0126 STOP
[codex:332726] 0127 STOP
[codex:332726] 0128 STOP
[codex:332726] 0129 STOP
[codex:332726] 012a STOP
[codex:332726] 012b STOP
[codex:332726] 012c STOP
[codex:332726] 012d STOP
[codex:332726] 012e STOP
[codex:332726] 012f STOP
[codex:332726] 0130 STOP
[codex:332726] 0131 STOP
[codex:332726]
[codex:332726] thinking
[codex:332726] **Inspecting fallback bytecode for exploits**
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726]
[codex:332726] b=bytes.fromhex(code)
[codex:332726]
[codex:332726] for i,op in enumerate(b):
[codex:332726] if op in (0xf0,0xf5):
[codex:332726] print(f'{i:04x}:', 'CREATE' if op==0xf0 else 'CREATE2')
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 26ms:
[codex:332726] 03ee: CREATE2
[codex:332726] 0553: CREATE
[codex:332726] 0639: CREATE
[codex:332726]
[codex:332726] thinking
[codex:332726] **Examining contract creation opcodes**
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726]
[codex:332726] opnames={
[codex:332726] 0x00:'STOP',0x01:'ADD',0x02:'MUL',0x03:'SUB',0x04:'DIV',0x05:'SDIV',0x06:'MOD',0x07:'SMOD',0x08:'ADDMOD',0x09:'MULMOD',0x0a:'EXP',0x0b:'SIGNEXTEND',
[codex:332726] 0x10:'LT',0x11:'GT',0x12:'SLT',0x13:'SGT',0x14:'EQ',0x15:'ISZERO',0x16:'AND',0x17:'OR',0x18:'XOR',0x19:'NOT',0x1a:'BYTE',
[codex:332726] 0x20:'SHA3',0x30:'ADDRESS',0x31:'BALANCE',0x32:'ORIGIN',0x33:'CALLER',0x34:'CALLVALUE',0x35:'CALLDATALOAD',0x36:'CALLDATASIZE',0x37:'CALLDATACOPY',0x38:'CODESIZE',0x39:'CODECOPY',0x3a:'GASPRICE',0x3b:'EXTCODESIZE',0x3c:'EXTCODECOPY',0x3d:'RETURNDATASIZE',0x3e:'RETURNDATACOPY',0x3f:'EXTCODEHASH',
[codex:332726] 0x40:'BLOCKHASH',0x41:'COINBASE',0x42:'TIMESTAMP',0x43:'NUMBER',0x44:'DIFFICULTY',0x45:'GASLIMIT',0x46:'CHAINID',0x47:'SELFBALANCE',0x48:'BASEFEE',
[codex:332726] 0x50:'POP',0x51:'MLOAD',0x52:'MSTORE',0x53:'MSTORE8',0x54:'SLOAD',0x55:'SSTORE',0x56:'JUMP',0x57:'JUMPI',0x58:'PC',0x59:'MSIZE',0x5a:'GAS',0x5b:'JUMPDEST',
[codex:332726] 0x60:'PUSH1',0x61:'PUSH2',0x62:'PUSH3',0x63:'PUSH4',0x64:'PUSH5',0x65:'PUSH6',0x66:'PUSH7',0x67:'PUSH8',0x68:'PUSH9',0x69:'PUSH10',0x6a:'PUSH11',0x6b:'PUSH12',0x6c:'PUSH13',0x6d:'PUSH14',0x6e:'PUSH15',0x6f:'PUSH16',0x70:'PUSH17',0x71:'PUSH18',0x72:'PUSH19',0x73:'PUSH20',0x74:'PUSH21',0x75:'PUSH22',0x76:'PUSH23',0x77:'PUSH24',0x78:'PUSH25',0x79:'PUSH26',0x7a:'PUSH27',0x7b:'PUSH28',0x7c:'PUSH29',0x7d:'PUSH30',0x7e:'PUSH31',0x7f:'PUSH32',
[codex:332726] 0x80:'DUP1',0x81:'DUP2',0x82:'DUP3',0x83:'DUP4',0x84:'DUP5',0x85:'DUP6',0x86:'DUP7',0x87:'DUP8',0x88:'DUP9',0x89:'DUP10',0x8a:'DUP11',0x8b:'DUP12',0x8c:'DUP13',0x8d:'DUP14',0x8e:'DUP15',0x8f:'DUP16',
[codex:332726] 0x90:'SWAP1',0x91:'SWAP2',0x92:'SWAP3',0x93:'SWAP4',0x94:'SWAP5',0x95:'SWAP6',0x96:'SWAP7',0x97:'SWAP8',0x98:'SWAP9',0x99:'SWAP10',0x9a:'SWAP11',0x9b:'SWAP12',0x9c:'SWAP13',0x9d:'SWAP14',0x9e:'SWAP15',0x9f:'SWAP16',
[codex:332726] 0xa0:'LOG0',0xa1:'LOG1',0xa2:'LOG2',0xa3:'LOG3',0xa4:'LOG4',
[codex:332726] 0xf0:'CREATE',0xf1:'CALL',0xf2:'CALLCODE',0xf3:'RETURN',0xf4:'DELEGATECALL',0xf5:'CREATE2',0xfa:'STATICCALL',0xfd:'REVERT',0xfe:'INVALID',0xff:'SELFDESTRUCT'
[codex:332726] }
[codex:332726]
[codex:332726] b=bytes.fromhex(code)
[codex:332726]
[codex:332726] def disasm_range(start,end):
[codex:332726] i=start
[codex:332726] out=[]
[codex:332726] while i<end:
[codex:332726] op=b[i]
[codex:332726] name=opnames.get(op,'UNKNOWN')
[codex:332726] if 0x60<=op<=0x7f:
[codex:332726] n=op-0x5f
[codex:332726] data=b[i+1:i+1+n]
[codex:332726] out.append((i,name,data.hex()))
[codex:332726] i+=1+n
[codex:332726] else:
[codex:332726] out.append((i,name,None))
[codex:332726] i+=1
[codex:332726] return out
[codex:332726]
[codex:332726] ops=disasm_range(0x03d0,0x0405)
[codex:332726] for off,name,data in ops:
[codex:332726] if data is None:
[codex:332726] print(f'{off:04x} {name}')
[codex:332726] else:
[codex:332726] print(f'{off:04x} {name} 0x{data}')
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 28ms:
[codex:332726] 03d0 ADD
[codex:332726] 03d1 SWAP5
[codex:332726] 03d2 POP
[codex:332726] 03d3 POP
[codex:332726] 03d4 PUSH1 0x04
[codex:332726] 03d6 DUP5
[codex:332726] 03d7 EQ
[codex:332726] 03d8 ISZERO
[codex:332726] 03d9 PUSH2 0x03e6
[codex:332726] 03dc JUMPI
[codex:332726] 03dd PUSH1 0x20
[codex:332726] 03df CALLDATALOAD
[codex:332726] 03e0 SWAP10
[codex:332726] 03e1 POP
[codex:332726] 03e2 PUSH2 0x03f6
[codex:332726] 03e5 JUMP
[codex:332726] 03e6 JUMPDEST
[codex:332726] 03e7 PUSH1 0x09
[codex:332726] 03e9 DUP5
[codex:332726] 03ea EQ
[codex:332726]
[codex:332726] thinking
[codex:332726] **Verifying CREATE2 opcode presence**
[codex:332726] exec
[codex:332726] /bin/bash -lc "python - <<'PY'
[codex:332726] import re
[codex:332726] from pathlib import Path
[codex:332726] hexdata=Path('BYTECODE_BUNDLE.txt').read_text()
[codex:332726] code=re.search(r'FILE: runtime_bytecode\\.hex\\n(0x[0-9a-fA-F]+)', hexdata).group(1)[2:]
[codex:332726] b=bytes.fromhex(code)
[codex:332726] print(hex(b[0x03ee]))
[codex:332726] PY" in /tmp/codex-multi-3dh1ztum succeeded in 27ms:
[codex:332726] 0xf5
[codex:332726]
[codex:332726] thinking
[codex:332726] **Analyzing bytecode for CREATE and CREATE2 opcodes**
[codex:332726] codex
[codex:332726] {"no_findings":true,"summary":"No concrete, exploitable value-extraction path identified from the provided bytecode alone.","findings":[]}
[codex:332726] tokens used
[codex:332726] 77,306
[codex:332726] {"no_findings":true,"summary":"No concrete, exploitable value-extraction path identified from the provided bytecode alone.","findings":[]}
{
"codex": {
"ran_at": "2026-01-03T00:17:55.843560+00:00",
"returncode": 0
},
"summary": "No concrete, exploitable value-extraction path identified from the provided bytecode alone.",
"raw_final": {
"summary": "No concrete, exploitable value-extraction path identified from the provided bytecode alone.",
"findings": [],
"no_findings": true
},
"no_findings": true,
"schema_version": 1
}
00000000: PUSH1 0x60 00000002: PUSH1 0x40 00000004: MSTORE 00000005: CALLDATASIZE 00000006: ISZERO 00000007: PUSH2 0x004a 0000000a: JUMPI 0000000b: PUSH1 0x00 0000000d: CALLDATALOAD 0000000e: PUSH29 0x0100000000000000000000000000000000000000000000000000000000 0000002c: SWAP1 0000002d: DIV 0000002e: PUSH4 0xffffffff 00000033: AND 00000034: DUP1 00000035: PUSH4 0x2e1a7d4d 0000003a: EQ 0000003b: PUSH2 0x0579 0000003e: JUMPI 0000003f: DUP1 00000040: PUSH4 0xcb3b3ab3 00000045: EQ 00000046: PUSH2 0x059c 00000049: JUMPI 0000004a: JUMPDEST 0000004b: PUSH1 0x00 0000004d: DUP1 0000004e: PUSH1 0x00 00000050: DUP1 00000051: PUSH1 0x00 00000053: DUP1 00000054: PUSH1 0x00 00000056: DUP1 00000057: PUSH1 0x00 00000059: DUP1 0000005a: CALLVALUE 0000005b: PUSH1 0x00 0000005d: CALLDATASIZE 0000005e: SWAP1 0000005f: POP 00000060: GT 00000061: ISZERO 00000062: PUSH2 0x056d 00000065: JUMPI 00000066: CALLVALUE 00000067: CALLDATALOAD 00000068: SWAP10 00000069: POP 0000006a: CALLVALUE 0000006b: DUP11 0000006c: PUSH32 0x0100000000000000000000000000000000000000000000000000000000000000 0000008d: SWAP1 0000008e: DIV 0000008f: EQ 00000090: ISZERO 00000091: PUSH2 0x0425 00000094: JUMPI 00000095: PUSH2 0x0100 00000098: DUP11 00000099: PUSH1 0x01 0000009b: SWAP1 0000009c: DIV 0000009d: MUL 0000009e: PUSH1 0x01 000000a0: MUL 000000a1: SWAP10 000000a2: POP 000000a3: DUP10 000000a4: SWAP9 000000a5: POP 000000a6: PUSH2 0x0100 000000a9: DUP11 000000aa: PUSH1 0x01 000000ac: SWAP1 000000ad: DIV 000000ae: MUL 000000af: PUSH1 0x01 000000b1: MUL 000000b2: SWAP10 000000b3: POP 000000b4: PUSH1 0x01 000000b6: SLOAD 000000b7: SWAP1 000000b8: POP 000000b9: PUSH1 0x01 000000bb: PUSH32 0x0100000000000000000000000000000000000000000000000000000000000000 000000dc: MUL 000000dd: DUP10 000000de: PUSH31 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 000000fe: NOT 000000ff: AND 00000100: EQ 00000101: DUP1 00000102: ISZERO 00000103: PUSH2 0x010b 00000106: JUMPI 00000107: POP 00000108: DUP8 00000109: GASPRICE 0000010a: GT 0000010b: JUMPDEST 0000010c: ISZERO 0000010d: PUSH2 0x0139 00000110: JUMPI 00000111: DUP10 00000112: PUSH31 0x01000000000000000000000000000000000000000000000000000000000000 00000132: SWAP1 00000133: DIV 00000134: SWAP7 00000135: POP 00000136: CALLVALUE 00000137: DUP8 00000138: SSTORE 00000139: JUMPDEST 0000013a: PUSH3 0x010000 0000013e: DUP11 0000013f: PUSH1 0x01 00000141: SWAP1 00000142: DIV 00000143: MUL 00000144: PUSH1 0x01 00000146: MUL 00000147: SWAP10 00000148: POP 00000149: DUP10 0000014a: PUSH29 0x0100000000000000000000000000000000000000000000000000000000 00000168: SWAP1 00000169: DIV 0000016a: SWAP6 0000016b: POP 0000016c: PUSH5 0x0100000000 00000172: DUP11 00000173: PUSH1 0x01 00000175: SWAP1 00000176: DIV 00000177: MUL 00000178: PUSH1 0x01 0000017a: MUL 0000017b: SWAP10 0000017c: POP 0000017d: PUSH1 0x00 0000017f: PUSH1 0x01 00000181: MUL 00000182: PUSH1 0x01 00000184: DUP8 00000185: SUB 00000186: BLOCKHASH 00000187: PUSH1 0x00 00000189: NOT 0000018a: AND 0000018b: EQ 0000018c: ISZERO 0000018d: ISZERO 0000018e: PUSH2 0x0420 00000191: JUMPI 00000192: DUP10 00000193: PUSH30 0x010000000000000000000000000000000000000000000000000000000000 000001b2: SWAP1 000001b3: DIV 000001b4: SWAP5 000001b5: POP 000001b6: JUMPDEST 000001b7: CALLVALUE 000001b8: DUP6 000001b9: GT 000001ba: ISZERO 000001bb: PUSH2 0x041f 000001be: JUMPI 000001bf: PUSH4 0x01000000 000001c4: DUP11 000001c5: PUSH1 0x01 000001c7: SWAP1 000001c8: DIV 000001c9: MUL 000001ca: PUSH1 0x01 000001cc: MUL 000001cd: SWAP10 000001ce: POP 000001cf: PUSH20 0x06012c8cf97bead5deae237070f9587f8e7a266d 000001e4: PUSH20 0xffffffffffffffffffffffffffffffffffffffff 000001f9: AND 000001fa: PUSH4 0x88c2a0bf 000001ff: DUP7 00000200: PUSH1 0x40 00000202: MLOAD 00000203: DUP3 00000204: PUSH4 0xffffffff 00000209: AND 0000020a: PUSH29 0x0100000000000000000000000000000000000000000000000000000000 00000228: MUL 00000229: DUP2 0000022a: MSTORE 0000022b: PUSH1 0x04 0000022d: ADD 0000022e: DUP1 0000022f: DUP3 00000230: DUP2 00000231: MSTORE 00000232: PUSH1 0x20 00000234: ADD 00000235: SWAP2 00000236: POP 00000237: POP 00000238: PUSH1 0x00 0000023a: PUSH1 0x40 0000023c: MLOAD 0000023d: DUP1 0000023e: DUP4 0000023f: SUB 00000240: DUP2 00000241: PUSH1 0x00 00000243: DUP8 00000244: PUSH2 0x646e 00000247: GAS 00000248: SUB 00000249: CALL 0000024a: SWAP3 0000024b: POP 0000024c: POP 0000024d: POP 0000024e: DUP1 0000024f: ISZERO 00000250: PUSH2 0x029d 00000253: JUMPI 00000254: POP 00000255: PUSH1 0x01 00000257: PUSH32 0x0100000000000000000000000000000000000000000000000000000000000000 00000278: MUL 00000279: DUP10 0000027a: PUSH31 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0000029a: NOT 0000029b: AND 0000029c: EQ 0000029d: JUMPDEST 0000029e: ISZERO 0000029f: PUSH2 0x03bb 000002a2: JUMPI 000002a3: DUP10 000002a4: PUSH30 0x010000000000000000000000000000000000000000000000000000000000 000002c3: SWAP1 000002c4: DIV 000002c5: SWAP7 000002c6: POP 000002c7: PUSH1 0x06 000002c9: DUP8 000002ca: ADD 000002cb: SWAP3 000002cc: POP 000002cd: JUMPDEST 000002ce: DUP3 000002cf: DUP8 000002d0: LT 000002d1: ISZERO 000002d2: PUSH2 0x03ba 000002d5: JUMPI 000002d6: PUSH2 0xffff 000002d9: DUP8 000002da: GT 000002db: ISZERO 000002dc: PUSH2 0x0310 000002df: JUMPI 000002e0: PUSH26 0xd99400000000a8f806c754549943b6550a2594c9a12683000000 000002fb: DUP8 000002fc: ADD 000002fd: CALLVALUE 000002fe: MSTORE 000002ff: CALLVALUE 00000300: CALLVALUE 00000301: CALLVALUE 00000302: CALLVALUE 00000303: CALLVALUE 00000304: PUSH1 0x1a 00000306: PUSH1 0x06 00000308: KECCAK256 00000309: GAS 0000030a: CALL 0000030b: POP 0000030c: PUSH2 0x03ad 0000030f: JUMP 00000310: JUMPDEST 00000311: PUSH1 0xff 00000313: DUP8 00000314: GT 00000315: ISZERO 00000316: PUSH2 0x0349 00000319: JUMPI 0000031a: PUSH25 0xd89400000000a8f806c754549943b6550a2594c9a126820000 00000334: DUP8 00000335: ADD 00000336: CALLVALUE 00000337: MSTORE 00000338: CALLVALUE 00000339: CALLVALUE 0000033a: CALLVALUE 0000033b: CALLVALUE 0000033c: CALLVALUE 0000033d: PUSH1 0x19 0000033f: PUSH1 0x07 00000341: KECCAK256 00000342: GAS 00000343: CALL 00000344: POP 00000345: PUSH2 0x03ac 00000348: JUMP 00000349: JUMPDEST 0000034a: PUSH1 0x7f 0000034c: DUP8 0000034d: GT 0000034e: ISZERO 0000034f: PUSH2 0x0381 00000352: JUMPI 00000353: PUSH24 0xd79400000000a8f806c754549943b6550a2594c9a1268100 0000036c: DUP8 0000036d: ADD 0000036e: CALLVALUE 0000036f: MSTORE 00000370: CALLVALUE 00000371: CALLVALUE 00000372: CALLVALUE 00000373: CALLVALUE 00000374: CALLVALUE 00000375: PUSH1 0x18 00000377: PUSH1 0x08 00000379: KECCAK256 0000037a: GAS 0000037b: CALL 0000037c: POP 0000037d: PUSH2 0x03ab 00000380: JUMP 00000381: JUMPDEST 00000382: PUSH23 0xd69400000000a8f806c754549943b6550a2594c9a12600 0000039a: DUP8 0000039b: ADD 0000039c: CALLVALUE 0000039d: MSTORE 0000039e: CALLVALUE 0000039f: CALLVALUE 000003a0: CALLVALUE 000003a1: CALLVALUE 000003a2: CALLVALUE 000003a3: PUSH1 0x17 000003a5: PUSH1 0x09 000003a7: KECCAK256 000003a8: GAS 000003a9: CALL 000003aa: POP 000003ab: JUMPDEST 000003ac: JUMPDEST 000003ad: JUMPDEST 000003ae: DUP7 000003af: DUP1 000003b0: PUSH1 0x01 000003b2: ADD 000003b3: SWAP8 000003b4: POP 000003b5: POP 000003b6: PUSH2 0x02cd 000003b9: JUMP 000003ba: JUMPDEST 000003bb: JUMPDEST 000003bc: PUSH4 0x01000000 000003c1: DUP11 000003c2: PUSH1 0x01 000003c4: SWAP1 000003c5: DIV 000003c6: MUL 000003c7: PUSH1 0x01 000003c9: MUL 000003ca: SWAP10 000003cb: POP 000003cc: DUP4 000003cd: DUP1 000003ce: PUSH1 0x01 000003d0: ADD 000003d1: SWAP5 000003d2: POP 000003d3: POP 000003d4: PUSH1 0x04 000003d6: DUP5 000003d7: EQ 000003d8: ISZERO 000003d9: PUSH2 0x03e6 000003dc: JUMPI 000003dd: PUSH1 0x20 000003df: CALLDATALOAD 000003e0: SWAP10 000003e1: POP 000003e2: PUSH2 0x03f6 000003e5: JUMP 000003e6: JUMPDEST 000003e7: PUSH1 0x09 000003e9: DUP5 000003ea: EQ 000003eb: ISZERO 000003ec: PUSH2 0x03f5 000003ef: JUMPI 000003f0: PUSH1 0x3e 000003f2: CALLDATALOAD 000003f3: SWAP10 000003f4: POP 000003f5: JUMPDEST 000003f6: JUMPDEST 000003f7: DUP10 000003f8: PUSH30 0x010000000000000000000000000000000000000000000000000000000000 00000417: SWAP1 00000418: DIV 00000419: SWAP5 0000041a: POP 0000041b: PUSH2 0x01b6 0000041e: JUMP 0000041f: JUMPDEST 00000420: JUMPDEST 00000421: PUSH2 0x056c 00000424: JUMP 00000425: JUMPDEST 00000426: PUSH1 0x01 00000428: PUSH32 0x0100000000000000000000000000000000000000000000000000000000000000 00000449: MUL 0000044a: DUP11 0000044b: PUSH31 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0000046b: NOT 0000046c: AND 0000046d: EQ 0000046e: ISZERO 0000046f: PUSH2 0x04d3 00000472: JUMPI 00000473: PUSH2 0x0100 00000476: DUP11 00000477: PUSH1 0x01 00000479: SWAP1 0000047a: DIV 0000047b: MUL 0000047c: PUSH1 0x01 0000047e: MUL 0000047f: SWAP10 00000480: POP 00000481: DUP10 00000482: PUSH30 0x010000000000000000000000000000000000000000000000000000000000 000004a1: SWAP1 000004a2: DIV 000004a3: SWAP2 000004a4: POP 000004a5: PUSH1 0x64 000004a7: DUP3 000004a8: ADD 000004a9: SWAP1 000004aa: POP 000004ab: PUSH1 0x01 000004ad: DUP3 000004ae: GT 000004af: ISZERO 000004b0: PUSH2 0x04ce 000004b3: JUMPI 000004b4: JUMPDEST 000004b5: DUP1 000004b6: DUP3 000004b7: LT 000004b8: ISZERO 000004b9: PUSH2 0x04cd 000004bc: JUMPI 000004bd: PUSH1 0x01 000004bf: DUP3 000004c0: SSTORE 000004c1: DUP2 000004c2: DUP1 000004c3: PUSH1 0x01 000004c5: ADD 000004c6: SWAP3 000004c7: POP 000004c8: POP 000004c9: PUSH2 0x04b4 000004cc: JUMP 000004cd: JUMPDEST 000004ce: JUMPDEST 000004cf: PUSH2 0x056b 000004d2: JUMP 000004d3: JUMPDEST 000004d4: PUSH1 0x02 000004d6: PUSH32 0x0100000000000000000000000000000000000000000000000000000000000000 000004f7: MUL 000004f8: DUP11 000004f9: PUSH31 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 00000519: NOT 0000051a: AND 0000051b: EQ 0000051c: ISZERO 0000051d: PUSH2 0x056a 00000520: JUMPI 00000521: PUSH14 0x3318585733ff600052601b6005f3 00000530: PUSH1 0x64 00000532: MSTORE 00000533: ADDRESS 00000534: PUSH1 0x56 00000536: MSTORE 00000537: PUSH1 0x7a 00000539: PUSH1 0x60 0000053b: MSTORE8 0000053c: PUSH1 0x73 0000053e: PUSH1 0x61 00000540: MSTORE8 00000541: PUSH1 0x00 00000543: JUMPDEST 00000544: PUSH1 0x3c 00000546: DUP2 00000547: LT 00000548: ISZERO 00000549: PUSH2 0x055f 0000054c: JUMPI 0000054d: PUSH1 0x24 0000054f: PUSH1 0x60 00000551: PUSH1 0x00 00000553: CREATE 00000554: POP 00000555: PUSH1 0x01 00000557: DUP2 00000558: ADD 00000559: SWAP1 0000055a: POP 0000055b: PUSH2 0x0543 0000055e: JUMP 0000055f: JUMPDEST 00000560: POP 00000561: PUSH1 0x00 00000563: SLOAD 00000564: PUSH1 0x3c 00000566: ADD 00000567: PUSH1 0x00 00000569: SSTORE 0000056a: JUMPDEST 0000056b: JUMPDEST 0000056c: JUMPDEST 0000056d: JUMPDEST 0000056e: POP 0000056f: POP 00000570: POP 00000571: POP 00000572: POP 00000573: POP 00000574: POP 00000575: POP 00000576: POP 00000577: POP 00000578: STOP 00000579: JUMPDEST 0000057a: CALLVALUE 0000057b: ISZERO 0000057c: PUSH2 0x0584 0000057f: JUMPI 00000580: PUSH1 0x00 00000582: DUP1 00000583: REVERT 00000584: JUMPDEST 00000585: PUSH2 0x059a 00000588: PUSH1 0x04 0000058a: DUP1 0000058b: DUP1 0000058c: CALLDATALOAD 0000058d: SWAP1 0000058e: PUSH1 0x20 00000590: ADD 00000591: SWAP1 00000592: SWAP2 00000593: SWAP1 00000594: POP 00000595: POP 00000596: PUSH2 0x05bf 00000599: JUMP 0000059a: JUMPDEST 0000059b: STOP 0000059c: JUMPDEST 0000059d: CALLVALUE 0000059e: ISZERO 0000059f: PUSH2 0x05a7 000005a2: JUMPI 000005a3: PUSH1 0x00 000005a5: DUP1 000005a6: REVERT 000005a7: JUMPDEST 000005a8: PUSH2 0x05bd 000005ab: PUSH1 0x04 000005ad: DUP1 000005ae: DUP1 000005af: CALLDATALOAD 000005b0: SWAP1 000005b1: PUSH1 0x20 000005b3: ADD 000005b4: SWAP1 000005b5: SWAP2 000005b6: SWAP1 000005b7: POP 000005b8: POP 000005b9: PUSH2 0x061c 000005bc: JUMP 000005bd: JUMPDEST 000005be: STOP 000005bf: JUMPDEST 000005c0: PUSH2 0x05c7 000005c3: PUSH2 0x0633 000005c6: JUMP 000005c7: JUMPDEST 000005c8: PUSH2 0x05cf 000005cb: PUSH2 0x0655 000005ce: JUMP 000005cf: JUMPDEST 000005d0: PUSH1 0x00 000005d2: DUP2 000005d3: GT 000005d4: ISZERO 000005d5: PUSH2 0x0619 000005d8: JUMPI 000005d9: ORIGIN 000005da: PUSH20 0xffffffffffffffffffffffffffffffffffffffff 000005ef: AND 000005f0: PUSH2 0x08fc 000005f3: DUP3 000005f4: SWAP1 000005f5: DUP2 000005f6: ISZERO 000005f7: MUL 000005f8: SWAP1 000005f9: PUSH1 0x40 000005fb: MLOAD 000005fc: PUSH1 0x00 000005fe: PUSH1 0x40 00000600: MLOAD 00000601: DUP1 00000602: DUP4 00000603: SUB 00000604: DUP2 00000605: DUP6 00000606: DUP9 00000607: DUP9 00000608: CALL 00000609: SWAP4 0000060a: POP 0000060b: POP 0000060c: POP 0000060d: POP 0000060e: ISZERO 0000060f: ISZERO 00000610: PUSH2 0x0618 00000613: JUMPI 00000614: PUSH1 0x00 00000616: DUP1 00000617: REVERT 00000618: JUMPDEST 00000619: JUMPDEST 0000061a: POP 0000061b: JUMP 0000061c: JUMPDEST 0000061d: PUSH2 0x0624 00000620: PUSH2 0x0633 00000623: JUMP 00000624: JUMPDEST 00000625: PUSH2 0x062c 00000628: PUSH2 0x0655 0000062b: JUMP 0000062c: JUMPDEST 0000062d: DUP1 0000062e: PUSH1 0x01 00000630: SSTORE 00000631: POP 00000632: JUMP 00000633: JUMPDEST 00000634: PUSH20 0x06aba80df0bb055e707a2c0337910c1438dc9d17 00000649: ORIGIN 0000064a: EQ 0000064b: PUSH2 0x0653 0000064e: JUMPI 0000064f: PUSH1 0x00 00000651: DUP1 00000652: REVERT 00000653: JUMPDEST 00000654: JUMP 00000655: JUMPDEST 00000656: PUSH4 0x01312d00 0000065b: GASLIMIT 0000065c: LT 0000065d: PUSH2 0x0665 00000660: JUMPI 00000661: PUSH1 0x00 00000663: DUP1 00000664: REVERT 00000665: JUMPDEST 00000666: JUMP 00000667: STOP 00000668: LOG1 00000669: PUSH6 0x627a7a723058 00000670: KECCAK256 00000671: OR 00000672: SGT 00000673: UNKNOWN(0xE1) 00000674: JUMPDEST 00000675: BLOCKHASH 00000676: UNKNOWN(0xDD) 00000677: DUP3 00000678: MSTORE 00000679: UNKNOWN(0xCC) 0000067a: UNKNOWN(0x28) 0000067b: MULMOD 0000067c: PC 0000067d: CHAINID 0000067e: BASEFEE 0000067f: MCOPY 00000680: CODESIZE 00000681: UNKNOWN(0xD3) 00000682: PUSH25
| Severity | Category | Tool | Title | Confidence | Validated | Confirmed | Details |
|---|---|---|---|---|---|---|---|
| high | auth | detector | Authorization based on tx.origin | 70 | no | — |
viewvalidation_json{
"reason": "missing sink mapping",
"status": "no_sink"
}
witness_json{
"notes": "heuristic witness; entrypoints are best-effort selectors with zeroed calldata",
"constraints": [],
"entrypoints": [
{
"calldata": "0xffffffff",
"selector": "0xffffffff",
"calldata_variants": [
"0xffffffff",
"0xffffffff0000000000000000000000000000000000000000000000000000000000000000"
]
},
{
"calldata": "0x2e1a7d4d",
"selector": "0x2e1a7d4d",
"calldata_variants": [
"0x2e1a7d4d",
"0x2e1a7d4d0000000000000000000000000000000000000000000000000000000000000000"
]
},
{
"calldata": "0xcb3b3ab3",
"selector": "0xcb3b3ab3",
"calldata_variants": [
"0xcb3b3ab3",
"0xcb3b3ab30000000000000000000000000000000000000000000000000000000000000000"
]
}
]
}
evidence_json{
"guards_detected": [
{
"pc": 1610,
"type": "tx_origin_used"
},
{
"pc": 1497,
"type": "tx_origin_used"
},
{
"pc": 1609,
"type": "tx_origin_used"
}
]
}
|
| medium | other | detector | Untrusted CALL target/value reachable | 45 | no | no |
viewtrace_id: 0x0c0c0bd0189f6f3f684349db1a3d426ff804093482179900b65faa8f6d61d064
call_targets:
0x00000000a8f806c754549943b6550a2594c9a126
target_varies:
no
classification:
constant_target
validation_json{
"sink": "CALL",
"errors": 0,
"status": "sink_reached",
"attempts": 1,
"trace_id": "0x0c0c0bd0189f6f3f684349db1a3d426ff804093482179900b65faa8f6d61d064",
"confirmed": false,
"trace_mode": "callTracer",
"call_targets": [
"0x00000000a8f806c754549943b6550a2594c9a126"
],
"matched_probe": null,
"target_varies": false,
"classification": "constant_target"
}
witness_json{
"notes": "heuristic witness; entrypoints are best-effort selectors with zeroed calldata",
"constraints": [],
"entrypoints": [
{
"calldata": "0xffffffff",
"selector": "0xffffffff",
"calldata_variants": [
"0xffffffff",
"0xffffffff0000000000000000000000000000000000000000000000000000000000000000"
]
},
{
"calldata": "0x2e1a7d4d",
"selector": "0x2e1a7d4d",
"calldata_variants": [
"0x2e1a7d4d",
"0x2e1a7d4d0000000000000000000000000000000000000000000000000000000000000000"
]
},
{
"calldata": "0xcb3b3ab3",
"selector": "0xcb3b3ab3",
"calldata_variants": [
"0xcb3b3ab3",
"0xcb3b3ab30000000000000000000000000000000000000000000000000000000000000000"
]
}
]
}
evidence_json{
"examples": [
{
"pc": 585,
"opcode": "CALL",
"returndata_checked": null,
"value_expression_category": "computed",
"target_expression_category": "computed"
},
{
"pc": 778,
"opcode": "CALL",
"returndata_checked": null,
"value_expression_category": "computed",
"target_expression_category": "computed"
},
{
"pc": 835,
"opcode": "CALL",
"returndata_checked": null,
"value_expression_category": "computed",
"target_expression_category": "computed"
}
],
"call_count": 6,
"guards_detected": [
{
"pc": 1610,
"type": "tx_origin_used"
},
{
"pc": 1497,
"type": "tx_origin_used"
},
{
"pc": 1609,
"type": "tx_origin_used"
}
],
"untrusted_call_count": 6
}
|
| medium | other | detector | ETH value transfer possible | 40 | no | no |
viewtrace_id: 0x0c0c0bd0189f6f3f684349db1a3d426ff804093482179900b65faa8f6d61d064
call_targets:
0x00000000a8f806c754549943b6550a2594c9a126
target_varies:
no
classification:
constant_target
validation_json{
"sink": "CALL",
"errors": 0,
"status": "sink_reached",
"attempts": 1,
"trace_id": "0x0c0c0bd0189f6f3f684349db1a3d426ff804093482179900b65faa8f6d61d064",
"confirmed": false,
"trace_mode": "callTracer",
"call_targets": [
"0x00000000a8f806c754549943b6550a2594c9a126"
],
"matched_probe": null,
"target_varies": false,
"classification": "constant_target"
}
witness_json{
"notes": "heuristic witness; entrypoints are best-effort selectors with zeroed calldata",
"constraints": [],
"entrypoints": [
{
"calldata": "0xffffffff",
"selector": "0xffffffff",
"calldata_variants": [
"0xffffffff",
"0xffffffff0000000000000000000000000000000000000000000000000000000000000000"
]
},
{
"calldata": "0x2e1a7d4d",
"selector": "0x2e1a7d4d",
"calldata_variants": [
"0x2e1a7d4d",
"0x2e1a7d4d0000000000000000000000000000000000000000000000000000000000000000"
]
},
{
"calldata": "0xcb3b3ab3",
"selector": "0xcb3b3ab3",
"calldata_variants": [
"0xcb3b3ab3",
"0xcb3b3ab30000000000000000000000000000000000000000000000000000000000000000"
]
}
]
}
evidence_json{
"examples": [
{
"pc": 585,
"opcode": "CALL",
"returndata_checked": null,
"value_expression_category": "computed",
"target_expression_category": "computed"
},
{
"pc": 778,
"opcode": "CALL",
"returndata_checked": null,
"value_expression_category": "computed",
"target_expression_category": "computed"
},
{
"pc": 835,
"opcode": "CALL",
"returndata_checked": null,
"value_expression_category": "computed",
"target_expression_category": "computed"
}
],
"eth_value_calls": 6,
"guards_detected": [
{
"pc": 1610,
"type": "tx_origin_used"
},
{
"pc": 1497,
"type": "tx_origin_used"
},
{
"pc": 1609,
"type": "tx_origin_used"
}
]
}
|
| medium | other | detector | CREATE/CREATE2 reachable | 45 | no | no |
viewtrace_id: 0xc969ef77e163bb8ded17ada2d468289ebf50efe81c385a4cba1388fcdffd6c36
validation_json{
"sink": "CREATE",
"errors": 0,
"status": "unknown",
"attempts": 6,
"trace_id": "0xc969ef77e163bb8ded17ada2d468289ebf50efe81c385a4cba1388fcdffd6c36",
"confirmed": false,
"trace_mode": "structLogs",
"call_targets": null,
"matched_probe": null,
"target_varies": null,
"classification": "no_sink"
}
witness_json{
"notes": "heuristic witness; entrypoints are best-effort selectors with zeroed calldata",
"constraints": [],
"entrypoints": [
{
"calldata": "0xffffffff",
"selector": "0xffffffff",
"calldata_variants": [
"0xffffffff",
"0xffffffff0000000000000000000000000000000000000000000000000000000000000000"
]
},
{
"calldata": "0x2e1a7d4d",
"selector": "0x2e1a7d4d",
"calldata_variants": [
"0x2e1a7d4d",
"0x2e1a7d4d0000000000000000000000000000000000000000000000000000000000000000"
]
},
{
"calldata": "0xcb3b3ab3",
"selector": "0xcb3b3ab3",
"calldata_variants": [
"0xcb3b3ab3",
"0xcb3b3ab30000000000000000000000000000000000000000000000000000000000000000"
]
}
]
}
evidence_json{
"create_count": 1,
"create2_count": 0
}
|
| low | other | cast | Contract creation opcode present | 60 | no | — |
viewevidence_json{
"notes": "runtime can deploy contracts dynamically via CREATE/CREATE2",
"create_count": 1,
"create2_count": 0
}
|