Ethereum: Will upgrading a smart contract to inherit from a new base class cause potential storage conflicts with UUPS proxy pattern?

Ethereum: The smart modernization of a new basic class contract causes potential storage conflicts with the UUPS brokerage server?

When building smart contracts for the Ethereum block chain, developers must carefully consider the effects of updating the new basic category agreement. Such an update is the use of the UUP intermediate services model.

What is the UUPS transmission server?

The model of the UUPS transmission server offers developers the opportunity to create a personalized update logic in their contracts. This model allows you to create updates that are more modular and flexible than traditional updates using umode. The model of the UUPS transmission server offers more advantages including:

• Improved literature : UUPS broadcasting server is easier to understand the contract update logic.

• Increased flexibility : The model of the UUPS transmission server offers developers the opportunity to create updates that can be easily reused in different contracts.

To be recovered from the new basic class

When you update the intelligent contract that inherits from a new basic category, such as “ERC20BURNABLARBLEBLE”, you must consider “the effects of using the UUP transmission services. .

Possible storage conflicts

If the update uses a proxy UUP model and perceives a new basic class, it can cause potential storage conflicts. These conflicts may occur if the condition of the agreement is not properly controlled or if there are dependencies between the different parts of the agreement.

For example, view the following code:

Solidity

MyContract agreement is ERC20burnablepradable {

Mapping (address => uint256) the total amount of the public;

Addspent function (uint256 quantity) internal {

// …

Total area [msg.seender] += sum;

}

}

`

In this example, the map "addspent" updates ", a whole", with the traditional update logic. However, if the second contract is updated in the same basic class and uses the UPS intermediate server model, it can lead to an original storage conflict.

Distribution from storage conflicts

To leave any storage conflicts, developers can take more measures:

• Useumodeinstead : Instead of using the UUPS transmission services model, developers can use traditional update logic using" amodes ". This approach is more flexible and allows for better management status management.

• Use different mapping : If necessary, developers can create a separate mapping to store additional information that does not depend on the original map used by the UUPS transmission services.

Conclusion

Updating the intelligent contract in the new basic class using the proxyUUU can cause potential storage conflicts with the traditional update logic. Understanding these effects and taking measures to disassemble storage conflict, developers can build more flexible and scalable contracts in the Ethereum block chain.

Recommendations

Avoid any storage conflict when updating the new basic category:

• Use umode instead

  : Consider using traditional update logic instead of the UPS intermediate service model.

• Create separate mapping : If necessary, create a separate mapping to store additional information, which does not depend on the original map used by the UUPS transmission services.

Following these recommendations and understanding the effects of updating the new basic class recovery agreement, developers can build more flexible and scalable contracts on the Ethereum block chain.

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