...A screenshot of the Quicknode endpoint Getting Started page with HTTP link and WSS](https://img.learnblockchain.cn/2025/02/25/1-17804ba1e7abaa2244c5e3d99db31bd4.png)
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### 估算 Gas
我们要做的第一件事是简单估算发送交易所...
...eturns the next num_bytes from the code buffer (at index pc) as an integer and advances pc by num_bytes.
"""
value = int.from_bytes(
self.code[self.pc:self.pc + num_bytes], byteorder="big"
)
self.pc += num_bytes
return value
```
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