DeFi Protocol Integration

import { OmneSDK, AMM, LiquidityPool } from '@omne/defi'

async function createLiquidityPool() {
  const omne = new OmneSDK({
    network: 'mainnet',
    privateKey: process.env.PRIVATE_KEY
  })
  
  const amm = new AMM(omne)
  
  // Create a new liquidity pool
  const poolConfig = {
    tokenA: "0x...", // OMNE token address
    tokenB: "0x...", // USDC token address
    feeRate: 0.003,  // 0.3% trading fee
    amplification: 100, // For stableswap pools
    poolType: "constantProduct" // or "stableSwap", "weighted"
  }
  
  const pool = await amm.createPool(poolConfig)
  console.log('Pool created:', pool.address)
  
  // Add initial liquidity
  const liquidityAmount = {
    tokenA: "1000000", // 1M OMNE
    tokenB: "1000000", // 1M USDC
    slippage: 0.01 // 1% slippage tolerance
  }
  
  const liquidityResult = await pool.addLiquidity(liquidityAmount)
  
  console.log('Liquidity added:', {
    lpTokens: liquidityResult.lpTokensReceived,
    poolShare: liquidityResult.poolShare,
    transactionHash: liquidityResult.hash
  })
  
  return { pool, liquidityResult }
}

// Deploy and initialize the pool
createLiquidityPool()
  .then(result => console.log('AMM pool ready:', result))
  .catch(console.error)

import { OmneSDK, SwapRouter, PriceOracle } from '@omne/defi'

async function executeSwap(poolAddress: string) {
  const omne = new OmneSDK({
    network: 'mainnet',
    privateKey: process.env.PRIVATE_KEY
  })
  
  const router = new SwapRouter(omne)
  const oracle = new PriceOracle(omne)
  
  // Get current price and impact
  const swapAmount = "10000" // 10,000 OMNE
  const quote = await router.getQuote({
    pool: poolAddress,
    tokenIn: "0x...", // OMNE
    tokenOut: "0x...", // USDC
    amountIn: swapAmount
  })
  
  console.log('Swap Quote:', {
    amountOut: quote.amountOut,
    priceImpact: quote.priceImpact,
    minimumReceived: quote.minimumAmountOut,
    gasCost: quote.estimatedGas
  })
  
  // Check for MEV protection
  const mevProtection = await router.checkMEVRisk({
    pool: poolAddress,
    amount: swapAmount,
    timeWindow: 60 // seconds
  })
  
  if (mevProtection.riskLevel > 0.05) {
    console.warn('High MEV risk detected, consider delaying swap')
  }
  
  // Execute the swap with protection
  const swapParams = {
    pool: poolAddress,
    tokenIn: "0x...",
    tokenOut: "0x...", 
    amountIn: swapAmount,
    amountOutMin: quote.minimumAmountOut,
    deadline: Math.floor(Date.now() / 1000) + 600, // 10 minutes
    mevProtection: true
  }
  
  const swapResult = await router.exactInputSingle(swapParams)
  
  console.log('Swap completed:', {
    amountOut: swapResult.amountOut,
    gasUsed: swapResult.gasUsed,
    effectivePrice: swapResult.effectivePrice
  })
  
  return swapResult
}

import { OmneSDK, LendingPool, InterestRateModel } from '@omne/defi'

async function deployLendingPool() {
  const omne = new OmneSDK({
    network: 'mainnet',
    privateKey: process.env.PRIVATE_KEY
  })
  
  // Configure interest rate model
  const interestModel = new InterestRateModel({
    baseRate: "0.02", // 2% base APR
    multiplier: "0.2", // 20% slope
    jumpMultiplier: "2.0", // 200% after kink
    kink: "0.8" // 80% utilization kink point
  })
  
  // Create lending pool
  const lendingPool = new LendingPool(omne)
  
  const poolConfig = {
    asset: "0x...", // USDC address
    name: "Omne USDC Pool",
    symbol: "oUSDC",
    interestRateModel: interestModel.address,
    collateralFactor: "0.75", // 75% collateral factor
    liquidationThreshold: "0.80", // 80% liquidation threshold
    liquidationPenalty: "0.05", // 5% liquidation penalty
    reserveFactor: "0.15" // 15% to reserves
  }
  
  const pool = await lendingPool.deploy(poolConfig)
  console.log('Lending pool deployed:', pool.address)
  
  // Supply liquidity to the pool
  const supplyAmount = "100000" // 100,000 USDC
  const supplyResult = await pool.supply(supplyAmount, {
    onBehalfOf: omne.getAddress()
  })
  
  console.log('Liquidity supplied:', {
    oTokens: supplyResult.oTokensReceived,
    exchangeRate: supplyResult.exchangeRate,
    newBalance: supplyResult.newBalance
  })
  
  return pool
}

// Functions for borrowing and repaying
async function borrowFromPool(poolAddress: string, collateralPool: string) {
  const omne = new OmneSDK({
    network: 'mainnet',
    privateKey: process.env.PRIVATE_KEY
  })
  
  const lendingPool = new LendingPool(omne, poolAddress)
  
  // Enable collateral
  await lendingPool.enableCollateral(collateralPool)
  
  // Calculate max borrow amount
  const accountData = await lendingPool.getAccountData(omne.getAddress())
  const maxBorrow = accountData.availableBorrowsETH
  
  console.log('Account Status:', {
    totalCollateral: accountData.totalCollateralETH,
    totalDebt: accountData.totalDebtETH,
    availableBorrows: accountData.availableBorrowsETH,
    healthFactor: accountData.healthFactor
  })
  
  // Borrow 70% of max available
  const borrowAmount = (parseFloat(maxBorrow) * 0.7).toString()
  
  const borrowResult = await lendingPool.borrow(borrowAmount, {
    interestRateMode: "variable" // or "stable"
  })
  
  console.log('Borrowed successfully:', borrowResult)
  return borrowResult
}

import { OmneSDK, LiquidationBot, HealthMonitor } from '@omne/defi'

class LiquidationBot {
  private omne: OmneSDK
  private monitor: HealthMonitor
  private isRunning = false
  
  constructor() {
    this.omne = new OmneSDK({
      network: 'mainnet',
      privateKey: process.env.LIQUIDATOR_PRIVATE_KEY
    })
    this.monitor = new HealthMonitor(this.omne)
  }
  
  async start() {
    this.isRunning = true
    console.log('Liquidation bot started')
    
    // Monitor unhealthy positions every 30 seconds
    while (this.isRunning) {
      try {
        await this.checkLiquidations()
        await this.sleep(30000) // 30 seconds
      } catch (error) {
        console.error('Liquidation check error:', error)
        await this.sleep(60000) // Wait longer on error
      }
    }
  }
  
  async checkLiquidations() {
    // Get all positions below health factor threshold
    const unhealthyPositions = await this.monitor.getUnhealthyPositions({
      healthFactorThreshold: "1.05", // Below 105%
      minProfitThreshold: "50" // Minimum $50 profit
    })
    
    console.log(`Found ${unhealthyPositions.length} positions to liquidate`)
    
    for (const position of unhealthyPositions) {
      await this.executeLiquidation(position)
    }
  }
  
  async executeLiquidation(position: any) {
    try {
      const liquidationAmount = await this.calculateOptimalLiquidation(position)
      
      console.log(`Liquidating position: ${position.user}`)
      console.log(`Health factor: ${position.healthFactor}`)
      console.log(`Liquidation amount: ${liquidationAmount.amount}`)
      
      const result = await this.omne.liquidate({
        user: position.user,
        collateralAsset: position.collateralAsset,
        debtAsset: position.debtAsset,
        debtToCover: liquidationAmount.amount,
        receiveAToken: false // Receive underlying asset
      })
      
      console.log('Liquidation successful:', {
        transactionHash: result.hash,
        liquidatedAmount: result.liquidatedCollateralAmount,
        profit: result.profit,
        gasUsed: result.gasUsed
      })
      
      // Store liquidation record
      await this.storeLiquidationRecord(result)
      
    } catch (error) {
      console.error(`Liquidation failed for ${position.user}:`, error)
    }
  }
  
  async calculateOptimalLiquidation(position: any) {
    // Calculate maximum liquidatable amount (usually 50% of debt)
    const maxLiquidation = parseFloat(position.totalDebt) * 0.5
    
    // Calculate gas costs and minimum profit
    const gasPrice = await this.omne.getGasPrice()
    const estimatedGas = 300000 // Estimated gas for liquidation
    const gasCost = gasPrice * estimatedGas
    
    // Calculate expected profit from liquidation bonus
    const liquidationBonus = 0.05 // 5% liquidation bonus
    const profit = maxLiquidation * liquidationBonus - gasCost
    
    return {
      amount: maxLiquidation.toString(),
      expectedProfit: profit,
      gasCost
    }
  }
  
  private sleep(ms: number) {
    return new Promise(resolve => setTimeout(resolve, ms))
  }
}

// Start the liquidation bot
const bot = new LiquidationBot()
bot.start().catch(console.error)

import { OmneSDK, StakingPool, RewardDistributor } from '@omne/defi'

async function createStakingPool() {
  const omne = new OmneSDK({
    network: 'mainnet',
    privateKey: process.env.PRIVATE_KEY
  })
  
  // Deploy staking pool
  const stakingPool = new StakingPool(omne)
  
  const poolConfig = {
    stakingToken: "0x...", // LP token address
    rewardToken: "0x...", // Governance token address
    rewardRate: "100", // 100 tokens per block
    lockupPeriod: 86400 * 30, // 30 days lockup
    unstakingFee: "0.01", // 1% unstaking fee
    maxStakingLimit: "10000000" // 10M token limit
  }
  
  const pool = await stakingPool.deploy(poolConfig)
  console.log('Staking pool deployed:', pool.address)
  
  // Configure reward distribution
  const rewardDistributor = new RewardDistributor(omne, pool.address)
  
  await rewardDistributor.setRewardSchedule({
    startTime: Math.floor(Date.now() / 1000),
    endTime: Math.floor(Date.now() / 1000) + (86400 * 365), // 1 year
    totalRewards: "1000000", // 1M governance tokens
    vestingDuration: 86400 * 180 // 6 months vesting
  })
  
  return { pool, rewardDistributor }
}

// Staking and unstaking functions
async function stakeTokens(poolAddress: string, amount: string) {
  const omne = new OmneSDK({
    network: 'mainnet',
    privateKey: process.env.PRIVATE_KEY
  })
  
  const stakingPool = new StakingPool(omne, poolAddress)
  
  // Check staking requirements
  const poolInfo = await stakingPool.getPoolInfo()
  const userInfo = await stakingPool.getUserInfo(omne.getAddress())
  
  console.log('Pool Info:', {
    totalStaked: poolInfo.totalStaked,
    rewardRate: poolInfo.rewardRate,
    lockupPeriod: poolInfo.lockupPeriod
  })
  
  // Stake tokens
  const stakeResult = await stakingPool.stake(amount)
  
  console.log('Staking successful:', {
    stakedAmount: stakeResult.amount,
    newTotalStaked: stakeResult.totalStaked,
    unlockTime: stakeResult.unlockTime,
    estimatedRewards: stakeResult.estimatedDailyRewards
  })
  
  return stakeResult
}

async function harvestRewards(poolAddress: string) {
  const omne = new OmneSDK({
    network: 'mainnet',
    privateKey: process.env.PRIVATE_KEY
  })
  
  const stakingPool = new StakingPool(omne, poolAddress)
  
  // Check pending rewards
  const pendingRewards = await stakingPool.pendingRewards(omne.getAddress())
  console.log(`Pending rewards: ${pendingRewards} tokens`)
  
  if (parseFloat(pendingRewards) > 0) {
    const harvestResult = await stakingPool.harvest()
    
    console.log('Rewards harvested:', {
      amount: harvestResult.amount,
      vestedAmount: harvestResult.vestedAmount,
      vestingTime: harvestResult.vestingTime
    })
    
    return harvestResult
  }
  
  return null
}

import { OmneSDK, YieldOptimizer, ProtocolAdapter } from '@omne/defi'

class YieldOptimizer {
  private omne: OmneSDK
  private protocols: ProtocolAdapter[]
  
  constructor() {
    this.omne = new OmneSDK({
      network: 'mainnet',
      privateKey: process.env.PRIVATE_KEY
    })
    
    // Initialize protocol adapters
    this.protocols = [
      new ProtocolAdapter('omne-lend'),
      new ProtocolAdapter('omne-swap'),
      new ProtocolAdapter('external-yield-farm')
    ]
  }
  
  async optimizeYield(asset: string, amount: string) {
    // Get yields from all protocols
    const yields = await Promise.all(
      this.protocols.map(async (protocol) => {
        const apy = await protocol.getAPY(asset)
        const tvl = await protocol.getTVL(asset)
        const risk = await protocol.getRiskScore()
        
        return {
          protocol: protocol.name,
          apy,
          tvl,
          risk,
          capacity: protocol.getCapacity(asset)
        }
      })
    )
    
    // Sort by risk-adjusted return
    const sortedYields = yields
      .filter(y => parseFloat(y.capacity) >= parseFloat(amount))
      .sort((a, b) => (b.apy / b.risk) - (a.apy / a.risk))
    
    console.log('Available yields:', sortedYields)
    
    if (sortedYields.length === 0) {
      throw new Error('No suitable yield opportunities found')
    }
    
    const bestYield = sortedYields[0]
    console.log(`Best yield: ${bestYield.protocol} at ${bestYield.apy}% APY`)
    
    // Execute the optimal strategy
    return await this.executeStrategy(bestYield, asset, amount)
  }
  
  async executeStrategy(strategy: any, asset: string, amount: string) {
    const protocol = this.protocols.find(p => p.name === strategy.protocol)
    
    if (!protocol) {
      throw new Error(`Protocol ${strategy.protocol} not found`)
    }
    
    // Execute deposit
    const result = await protocol.deposit(asset, amount)
    
    // Set up monitoring for auto-compound
    await this.setupAutoCompound(protocol, asset, result.position)
    
    console.log('Yield strategy executed:', {
      protocol: strategy.protocol,
      amount,
      expectedAPY: strategy.apy,
      positionId: result.position
    })
    
    return result
  }
  
  async setupAutoCompound(protocol: ProtocolAdapter, asset: string, positionId: string) {
    // Monitor rewards and compound automatically
    setInterval(async () => {
      try {
        const rewards = await protocol.getPendingRewards(positionId)
        
        if (parseFloat(rewards) > 100) { // Compound if > 100 tokens
          await protocol.compound(positionId)
          console.log(`Auto-compounded ${rewards} rewards`)
        }
      } catch (error) {
        console.error('Auto-compound error:', error)
      }
    }, 3600000) // Check every hour
  }
  
  async rebalance() {
    // Periodically rebalance to maintain optimal yields
    const positions = await this.getAllPositions()
    
    for (const position of positions) {
      const currentAPY = await position.protocol.getCurrentAPY(position.asset)
      const bestAlternative = await this.findBestYield(position.asset, position.amount)
      
      // Rebalance if alternative is significantly better
      if (bestAlternative.apy > currentAPY * 1.1) { // 10% improvement threshold
        console.log(`Rebalancing from ${currentAPY}% to ${bestAlternative.apy}%`)
        
        await position.protocol.withdraw(position.id, position.amount)
        await this.executeStrategy(bestAlternative, position.asset, position.amount)
      }
    }
  }
}

// Usage
const optimizer = new YieldOptimizer()

// Optimize yield for 100,000 USDC
optimizer.optimizeYield("0x...", "100000")
  .then(result => console.log('Yield optimization complete:', result))
  .catch(console.error)

// Set up periodic rebalancing
setInterval(() => {
  optimizer.rebalance().catch(console.error)
}, 86400000) // Rebalance daily