...ue(amountToWithdraw)(""); // At this point, the caller's code is executed, and can call withdrawBalance again
require(success);
userBalances[msg.sender] = 0;
}
```
由于用户的余额直到函数的最后才设置为 0，第二次（和以后的）调用仍然会成功，并且会一...
...//learnblockchain.cn/article/369)
2. **[Elliptic curves over real numbers and the group law](https://andrea.corbellini.name/2015/05/17/elliptic-curve-cryptography-a-gentle-introduction/)**
3. **[Elliptic curves over finite fields and the discrete logarithm problem](https://andrea.corbellini.name/2...
...## … 来自 Pyrs Carvolth，市场推广
#### Superforecasting: The Art and Science of Prediction, by Dan Gardner and Philip E. Tetlock（超预测：预测的艺术与科学，作者：Dan Gardner 和 Philip E. Tetlock）
我从一位前老板的推荐中得到了这本书，我仍然虔诚地...
...…(p+n)) at address keccak256(0xff . this . s . keccak256(mem[p…(p+n))) and send v wei and return the new address, where 0xff is a 1 byte value, this is the current contract’s address as a 20 byte value and s is a big-endian 256-bit value; returns 0 on error
源码中调用`create2`方法：...
...t * tokensPerNFT);
}
/**
* @dev withdraws all ETH and tokens sent to the contract
* Requirements:
* wallet connected must be owner's address
*/
function withdraw() public onlyOwner {
address _owner = owner();
uint256 amoun...
...me = "vector_demo"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
[profile.release]
panic = 'abort'
```
例子：src/main.rs 文件
```rust
fn main() {
// panic!("crash and burn...