Submission Details
Severity:
Unchecked External Calls
Summary
Location: MultiHopOracle.sol (lines 39-40)
The contract makes external calls to multiple oracles without proper
error handling or validation of returned values.
Vulnerability Details
Location: MultiHopOracle.sol (lines 39-40)
The contract makes external calls to multiple oracles without proper
error handling or validation of returned values.
Code Snippet:
(data, timestamp) = firstOracle.oracle.getData();
Impact
Silent failures leading to broken contract state or lost funds.
Tools Used
Recommendations
Implement proper error handling for oracle calls and add
validation for returned values. Consider adding timeout mechanisms and bounds
checking for timestamps.
Prize pool breakdown
Total prize
49,600 OP
nSLOC
3,00017
OP / LOC
44,640
4,960
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