关于 ETH 合约的误解 by goodreader

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· @goodreader ·
$15.04
关于 ETH 合约的误解
  
智能合约是不可更改的

兄弟,如果你还有这种想法,你真的 out 了。

不包含任何 DELEGATECALL的智能合约就是不可更改的

实际上,合约可以定期调用( CALL)到一个可变地址中,并将结果作为计算的一部分,或者作为更改状态的指令,从而更改正在运行的代码。

那不包含任何 DELEGATECALL或 CALL的智能合约,总是不可更改的了吧?

还有 STATICCALL。别忘了 STATICCALL!

不包含任何 CALL 的智能合约是不可更改的

你还得排除一种情况:这个智能合约是通过 CREATE2 部署的,会在其初始码(initcode)中动态载入运行时,并且可以自毁。在这种情况下,“所有者” 可以销毁合约,并使用不同的代码在同一个地址上重新创建这个合约。

不包含任何 CALL 且不通过 CREATE2 部署的智能合约是不可更改的
还得排除一种情况:这个合约是通过由 CREATE2 部署的合约部署的。因此,你需要追溯整个部署链条,找到最初创建合约的以太坊外部账户,确保没有任何猫腻,而且不存在自毁操作。


# 本帖steem首发
[ 关于 ETH 合约的误解 ](https://steemit.com/@goodreader/20201110con)  

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# 阅读者 GoodReader
做一个优秀的读者,不因个人偏好而错过有意思的原创观点.
To be an excellent reader, don't miss interesting original ideas because of personal preference!

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@boomerang ·
This post has received a 52.79 % upvote from @boomerang.
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@hnt ·
[本帖中](/@goodreader/20201110con)  , @hnt 作为受益人获得奖励 : [4.566 $ + 25.077 STEEM + 55.735 SP = 111.456 STEEM = 16.607 $](https://steemworld.org/block/48681940/virtual/4294967295/173) , 因此 @hnt 保留 5%(5.573 STEEM) 作为费用 , 并且支付本帖作者 105.883 STEEM . 谢谢使用 @hnt 的流动性服务 ! <br> [ 详细说明 ... ](https://steemit.com/@hnt/cn-note-liquify)
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