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Update installing-solidity.rst #15837

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18 changes: 17 additions & 1 deletion docs/installing-solidity.rst
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Expand Up @@ -561,7 +561,23 @@ patch level changes follow. When changes are merged, the version should be bumpe
to SemVer and the severity of the change. Finally, a release is always made with the version
of the current nightly build, but without the ``prerelease`` specifier.

Example:
Example:// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// 引入ERC20标准和OpenZeppelin库
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract WYToken is ERC20, Ownable {

uint256 public constant TOTAL_SUPPLY = 2020520 * 10**18; // 总供应量 2020520 WY (考虑到18位小数)
uint256 public initialSupply = 202052 * 10**18; // 初次发行量 202052 WY (考虑到18位小数)
uint256 public burnThreshold = 100000 * 10**18; // 每次交易达到100,000 U的阈值，考虑到18位小数

// 发行方占有的数量（2020.52个代币）
uint256 public ownerInitialAmount = 2020.52 * 10**18;



1. The 0.4.0 release is made.
2. The nightly build has a version of 0.4.1 from now on.
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