mediumLogic errorEVM-Solidity
Optimism: Honest party's move could become invalid when re-org takes place
- Payout
- $0
- Protocol
- Optimism
- Disclosed
- Aug 16, 2024
- Source
- code4rena
Optimism's dispute-game deployment uses the CREATE opcode via Solady's clone, deriving each game proxy's address from the caller and nonce, so a blockchain reorg that swaps transaction ordering can silently reassign which game a given proxy address represents. …
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References
- https://github.com/code-423n4/2024-07-optimism-findings/issues/24
- https://github.com/code-423n4/2024-07-optimism-findings
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