软件项目开发技术: V AND telegram:ch3nguang
def get_data(self): response = requests.get(self.url, headers=self.headers) data = json.loads(response.text) return data
# 计算汇率调整后的股票价格 stock_data['Adjusted Price'] = stock_data['AAPL'] / exchange_rate_data['USD/CNY'] stock_data['Adjusted Price'] = stock_data['Adjusted Price'].fillna(0)
address private _owner; mapping (address => bool) private _pausedUsers; event Log交易撮合(uint256 amount, address user, address trader); event Log资产变动(address from, address to, uint256 amount);
function transferAsset(address receiver, uint256 amount) public returns (bool success) { // 检查资产数量是否足够 if (assetValue < amount) { return false;
# 获取特定市场的行情数据 symbol = 'BTC/USDT' market = next(m for m in markets if m['symbol'] == symbol) ticker = exchange.fetch_ticker(market) print(ticker)
blind_boxes = get_blind_boxes() return render_template('index.html', blind_boxes=blind_boxes) else: return redirect(url_for('login'))
def contribute(): data = request.get_json() campaign_name = data['name'] contribution_amount = data['amount']
// 参与互助公排 function participate() public { if (participants[msg.sender] == true) { revert(); }
// 构造函数,初始化单币和双币的地址以及质押拆分比例 constructor(address tokenAAddress, address tokenBAddress, address tokenCAddress, uint splitRatio) public { tokenA = tokenAAddress;
string public name; uint public goal; uint public progress; address public admin; mapping (address => bool) public members;
event LogNewTrade(uint256 orderId, address player1, address player2, uint256 amount1, uint256 amount2);
// 构造函数,初始化矩阵的行数和列数 constructor(uint256 _rowCount, uint256 _columnCount) { rowCount = _rowCount; columnCount = _columnCount;
// 众筹函数,向DAO众筹资金 function contribute() public { uint contributionAmount = (unitPrice * msg.value).div(10 ether); // 计算贡献金额,最小单位为0.01ETH
onTapProduct: function (event) { // 点击商品时执行的代码 var product = event.currentTarget.dataset.product;
基于BSC链的去中心化金融(DeFi)平台PtahDAO合约开发部署示例
if data['status'] == 'OK': print(f"订单已成功下单,订单号为 {data['result']['orderId']}") else: print(data['msg'])
function rechargeNFT(uint256 amount) public returns (uint256 remainingAmount) { // 检查 NFT 资产合约是否有足够的数量供充值
params = { 'api_key': API_KEY, 'sign', API_SECRET, 'symbol': 'BTC/USDT', # 交易对
// 质押ETH function stakeETH(uint256 _stakeAmount) public payable returns (bool) { require(_stakeAmount > 0); require(msg.value == _stakeAmount);
# 生成签名的函数(示例) def generate_signature(params, secret): signature = '' for key in sorted(params.keys()):
function createFish(address player, FishType type) public returns (uint index) { Fish memory fish = Fish({ type: type, level: 1, experience: 0 });
constructor() public { playerAddress = msg.sender; randomNumber = uint256(keccak256(abi.encodePacked(block.difficulty, block.coinbase)));
区块链DApp盲盒抽奖游戏开发合约部署源码详情
阿凡达(泰山众筹)智能合约DAPP系统开发[源码部署详情] // 初始化合约金额 constructor() public { initialAmount = 1000 ether; 【完整逻辑部署可看我昵称】
如何通过智能合约实现dapp开发[过程部署详解]
contract Decentralized互助系统盘 { 【完整逻辑部署可看我昵称】 using Counters for Counters.Counter; Counters.Counter private _tokenIds;
constructor(uint256 initialBorrows, uint256 initialLends, uint256 minAPR) { _tokenIds = Counters.newCounter(initialBorrows + initialLends);
web3 = web3.Web3(web3.HTTPProvider('YOUR_ETHERUM_NODE_URL')) contract_address = 'YOUR_CONTRACT_ADDRESS' contract = web3.eth.contract(address=contract_address, abi=YOUR_CONTRACT_ABI)
区块链交易所的返佣(推荐、持仓)机制系统合约开发部署
function addPlayer(address _player) public { players[_player] = true; player Lands[_player] = 0; player Tokens[_player] = 0;
mapping(address => bool) private[ isApproved ]; mapping(address => mapping(address => uint256)) private[ swapOrders ];
def is_even_number(number): """判断一个整数是否为偶数""" return number % 2 == 0
// DAPP代币的智能合约分红 function distributeTokenProceeds(address recipient, uint amount) public { require(recipient != address(0), "Recipient cannot be zero address");
pragma solidity ^0.8.0; contract IDX { // 代币总量 uint256 public totalSupply;
# 定义交易信号函数 def trade_signal(data, signal_type='macd'): if signal_type == 'macd': signal = macd > 0
# 定义代币合约 token_contract = Web3.toChecksumAddress('0xYourTokenContractAddress') # 获取代币合约对象 token_contract_instance = w3.eth.contract(address=token_contract, abi=YourTokenABI)
//SPDX-License-Identifier:MIT pragma solidity^0.8.0; contract Game{ //游戏合约的名称 string public name; //游戏玩家的地址 mapping(address=>bool)public players; //玩家的分数
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