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Hi, I'm specifically looking for the UniswapV2Factory contract on the polygon blockchain, but I have noticed that the addresses of all the contracts deployed on blockchains others than Ethereum are no…
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## Background
- All the transactions that occur are stored on blockchain and by studying these transactions, we can study the project, the users, and the viability of the project.
- In a lending an …
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Constantinople will add the `CREATE2` opcode, which has contract addresses that are a function of the code hash. This would remove the need for caching.
https://eips.ethereum.org/EIPS/eip-1014
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**Github username:** --
**Twitter username:** --
**Submission hash (on-chain):** 0xbffdc17974a9fa137fe3f0d40854643a4fcdec57a91fa2d2cbd4664cbfdbe33f
**Severity:** medium
**Description:**
**Descriptio…
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https://github.com/polkadot-js/extension/issues/1250
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More an optimization suggestion rather than an issue:
Apparently using external over public can save some gas when working with arrays: https://ethereum.stackexchange.com/a/19391
```javascript
…
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Not sure where to put this issue, but in short on coinmarketcap, there is only the BSC contract for ThreeFold.
https://coinmarketcap.com/currencies/threefold/
 and this code will generate an error when i miss Topics parameter:
```
ethereum.FilterQuery{
Topics: [][]common.…