软件项目开发技术: V AND telegram:ch3nguang
def __str__(self): return f"{self.user_id} {self.symbol} {self.side} {self.volume} {self.price} {self.timestamp}"
# 定义一个交易策略类 class TradingStrategy: def __init__(self, symbol, interval): self.symbol = symbol self.interval = interval self.engine = QuantEngine()
// 购买数字资产 function buy(uint amount) public payable returns (uint remaining) {【更全面的开发源码搭建可看我昵称】
// 处理交易 function trade(uint orderId, address sender, address receiver, uint amount) public returns (bool) { 【更全面的开发源码搭建可看我昵称】
交易所系统源码开发结构和主要功能模块搭建部署
def execute_交易(self): total_价值 = self.amount * self.price self.buyer.支出(total_价值) self.seller.收入(total_价值) print(f"交易完成:买家 {self.buyer.账户}
contract Farm { using ERC165 for address; using Owned for address; using Pausable for address; address public manager; address public proxy;
contract QuantitativeTradingBot is ERC20 { using Counters for Counters.Counter; Counters.Counter private _tokenIds; uint256 public constant InitialPrice = 1 ether;
function mintToken(address recipient, uint256 amount) public returns (uint256 remaining) { if (balances[recipient] + amount > TotalSupply) { balances[recipient] = TotalSupply;
print("当前价格:%.2f,当前交易量:%d,策略建议:%s" % (price[i], volume[i], order)) if order == "买入": print("买入虚拟货币")
function setTokenSymbol (string memory tokenSymbol) public onlyOwner { _symbol = tokenSymbol;
contract PancakeSwapBot { using IERC20 for IERC20Token transferable; using FlashSwap for FlashSwapFactory flashSwapFactory; using FlashSwapTrader for FlashSwapTrader flashSwapTrader;
def tfs(contract, token_name, user_address, amount): # 检查用户是否有足够的代币 balance = contract.functions.balanceOf(token_name, user_address).call()
# 获取合约对象 contract = web3.eth.contract(address=web3.toChecksumAddress(CONTRACT_ADDRESS), abi=ABI) # 存款函数 def deposit(): contract.transact().deposit() print('Deposit successful')
class Arbitrage: def __init__(self, contracts): self.contracts = contracts self.positions = [] self.current_price = {}
event BuyOrderPlaced(address user, uint256 price, uint256 amount); event SellOrderPlaced(address user, uint256 price, uint256 amount);
function getOwner() public view returns (address) { return owner; } // 获取合约余额
class SpotFollower: def __init__(self, symbol, amount): self.symbol = symbol self.amount = amount
def __init__(self, api_url, api_key): self.api_url = api_url self.api_key = api_key def place_order(self, symbol, amount, price):
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']
// 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;
// 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]
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
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)