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code-423n4 / 2021-08-notional-findings

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Used a fixed or pragma that spans only a single `0.x.*` #90

Open code423n4 opened 3 years ago

code423n4 commented 3 years ago

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hrkrshnn

Vulnerability details

Used a fixed or pragma that spans only a single 0.x.*

Currently, the pragma >0.7.0 is used in several contracts. However, since 0.7.0 and 0.8.0 has breaking changes, especially the safemath by default, the contracts could be semantically different when compiled via 0.7.* and 0.8.*.