Copy class AutomatedLPManager {
constructor(routerAddress, signer, config) {
this.router = new ethers.Contract(routerAddress, routerABI, signer);
this.signer = signer;
this.config = {
rebalanceThreshold: 0.1,
stopLossThreshold: 0.15,
takeProfitThreshold: 0.5,
monitoringInterval: 15, // minutes
...config
};
this.positions = new Map();
this.isRunning = false;
}
// Add managed position
addManagedPosition(positionKey, params) {
this.positions.set(positionKey, {
...params,
addedAt: Date.now(),
lastCheck: 0,
alerts: []
});
}
// Start automated management
start() {
if (this.isRunning) return;
this.isRunning = true;
console.log("Starting automated LP manager");
this.managementInterval = setInterval(() => {
this.runManagementCycle();
}, this.config.monitoringInterval * 60 * 1000);
}
// Stop automated management
stop() {
if (!this.isRunning) return;
this.isRunning = false;
clearInterval(this.managementInterval);
console.log("Stopping automated LP manager");
}
// Execute management cycle
async runManagementCycle() {
console.log("Executing management cycle check...");
for (const [key, position] of this.positions) {
try {
await this.managePosition(key, position);
} catch (error) {
console.error(`Managing position ${key} failed:`, error.message);
}
}
}
// Manage single position
async managePosition(positionKey, position) {
// Get current state
const currentState = await this.getPositionState(position);
// Check stop loss
if (this.checkStopLoss(currentState, position)) {
await this.executeStopLoss(positionKey, position);
return;
}
// Check take profit
if (this.checkTakeProfit(currentState, position)) {
await this.executeTakeProfit(positionKey, position);
return;
}
// Check rebalance
if (this.checkRebalanceNeed(currentState, position)) {
await this.executeRebalance(positionKey, position);
}
// Update last check time
position.lastCheck = Date.now();
}
async getPositionState(position) {
// Get position current state
const factory = new ethers.Contract(FACTORY_ADDRESS, factoryABI, this.signer.provider);
const pairAddress = await factory.getPair(position.tokenA, position.tokenB, position.fee);
const pair = new ethers.Contract(pairAddress, pairABI, this.signer.provider);
const [lpBalance, reserves, totalSupply] = await Promise.all([
pair.balanceOf(position.userAddress),
pair.getReserves(),
pair.totalSupply()
]);
return {
lpBalance,
reserves,
totalSupply,
timestamp: Date.now()
};
}
checkStopLoss(currentState, position) {
// Stop loss check logic
const currentValue = this.calculatePositionValue(currentState);
const initialValue = position.initialValue;
const loss = (initialValue - currentValue) / initialValue;
return loss > this.config.stopLossThreshold;
}
checkTakeProfit(currentState, position) {
// Take profit check logic
const currentValue = this.calculatePositionValue(currentState);
const initialValue = position.initialValue;
const profit = (currentValue - initialValue) / initialValue;
return profit > this.config.takeProfitThreshold;
}
async executeStopLoss(positionKey, position) {
console.log(`Execute stop loss: ${positionKey}`);
// Remove all liquidity
await this.removeLiquidity(position, 100); // Remove 100%
this.positions.delete(positionKey);
}
async executeTakeProfit(positionKey, position) {
console.log(`Execute take profit: ${positionKey}`);
// Remove partial liquidity to realize profit
await this.removeLiquidity(position, 50); // Remove 50%
}
calculatePositionValue(state) {
// Calculate position value (simplified version)
return parseFloat(ethers.utils.formatEther(state.lpBalance));
}
} 