...xAutoBot/introducing-0xswift-bot-the-fastest-token-deployer-for-uniswap-v2-and-beyond-72ec3f169ef](https://medium.com/@0xAutoBot/introducing-0xswift-bot-the-fastest-token-deployer-for-uniswap-v2-and-beyond-72ec3f169ef)
- [Pepe Analytics: Are you ready?](https://learnblockchain.cn/article/12834)
- ...
...with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
...
...t SmartContract= require(“SmartContract”);
// Retrieve the JSON ABI and address
const SmartContractAbi = SmartContract.abi;
const SmartContractAddress = "0x......"
// Instantiate an object that "encapsulates" the smart contract
const SmartContractObject = new web3.eth.Contract(SmartCont...
...者 1000 万 OP 池](https://gov.optimism.io/t/retro-funding-4-learnings-and-reflections/9271)，重点关注过去对超级链的贡献，并吸引了许多新参与者，尽管它在验证开源状态和合约归属方面面临挑战。社区反应不一，赞赏改进的基于指标的投票的...
...sting of the Base64 encoded of the BCS serialized transaction bytes itself and its intent. If intent is absent, default will be used
```
#### （2）用法
```bash
Usage: sui keytool sign [OPTIONS] --address --data
Options:
--address
--data
--json ...
... receipt 中的每个区块。我们定义一个有状态的方法 `fetch_candidate_head`：
```python
unchecked_logs = []
current_checking_score = None
def fetch_candidate_head():
# Try to return a log that has the score that we are checking for,
# checking in order of oldest to m...