Bugs & Vulnerabilities A) NFTImplementation.sol - Line 16 import smart contract is the implementation of an upgradeable proxy system. Consequently we have found no bugs or flaws in the updated code. The developers have since updated their smart contracts according to our recommendations, which fixed the vulnerabilities and bugs that we found. A further check with multiple automated reviewing tools ( MythX, Slither, Manticore, and different fuzzing tools) did not find any additional bugs besides some common false positives.
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On the code level, we found two low severity and seven no severity bugs or flaws. The code is very well documented and up to the latest standards. The naming of variables is very logical and understandable, which results in the contract being easy to understand. These contracts are written according to the latest standards used within the Ethereum community and the Solidity community’s best practices. Three different auditors went through the smart contract independently and compared their results in multiple concluding discussions.
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We conducted a manual multi-pass code review of the smart contracts mentioned in section (1).
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The shasum hashes of the different smart contracts at the time of this update are listed below:
The developers have updated their contracts according to our recommendations. The shasum hashes of the different smart contracts at the time of the audit are listed below: The audit included the following services:īyterocket gained access to the code via a privately shared link, since the code was not public at the time of the audit. An updated version of the smart contract was ultimately audited again on the 20th of May. We started on the 4th of May and finished on the 10th of May. The team of byterocket reviewed and audited the above smart contracts in the course of this audit. The contracts each feature a proxy, making them upgradeable. The contracts functionality is split between the NFT part and the Sale part within different contracts.
Ember Sword is a novel Massively Multiplayer Online Role-playing Game, where users can purchase in-game land plots as NFTs on the blockchain in order to verifiably own and trade land plots within the game. The team of Bright Star contracted byterocket to conduct a smart contract audit of the NFT and Land Sale smart contracts for Ember Sword.
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