# Optimizer in solidity

By [clay.eth](https://paragraph.com/@clay-eth) · 2022-09-26

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### Optimizer in solidity

*   合约设计及实现变迁
    
    v1.x版本实现，每次创建同样的合约
    
*   v2.x版本实现, 逻辑单独抽象成library,每次创建合约仅包含`storage variables`
    

v3.x版本实现, 分为代理合约和逻辑合约,每次创建代理合约（不包含逻辑和`storage variables`)

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*Originally published on [clay.eth](https://paragraph.com/@clay-eth/optimizer-in-solidity)*