...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:
...
... 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...
...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...
... as the version in the target binary, due to pointer width
// differences and any experiments. Use cmd/compile/internal/rttype
// or the functions in compiletype.go to access this type instead.
// (TODO: this admonition applies to every type in this package.
// Put it in some shared location?)
...