Same Named Contracts

Overview

• Severity: High
• Confidence: High
• Affected Versions: All

What is the Same Named Contracts vulnerability?

For a single compilation unit, reused contract names will cause errors in the Solidity compiler. Some frameworks may attempt to mask these errors and will only compile certain contracts as a result. To avoid such difficulties and simplify code, names should not be reused and should follow the guidelines in the Solidity documentation.

Further reading: Solidity Documentation: Contract and Library Names