Lulo USDC Lending

Lend USDC tokens to earn yield through Lulo protocol. This integration provides automated yield optimization and simplified lending operations.

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Core Features

1. Lending Operations

   • USDC deposits
   • Yield generation
   • APY tracking
   • Account management

2. Account Features

   • Real-time APY
   • Interest tracking
   • Total value monitoring
   • Protocol settings

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Usage

// Lend USDC
const signature = await agent.lendAssets(100); // Lend 100 USDC

// Get account details
const details: LuloAccountDetailsResponse = {
  totalValue: 100.5,
  interestEarned: 0.5,
  realtimeApy: 5.2,
  settings: {
    owner: "wallet-address",
    allowedProtocols: null,
    homebase: null,
    minimumRate: "4.8"
  }
};

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Example Prompts

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Natural Language Prompts

"Lend 100 USDC to earn yield"

"Deposit USDC into Lulo for interest"

"Start earning yield on my USDC"

"Put my USDC to work in Lulo"

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LangChain Tool Prompts

// Basic lending
{
  "amount": 100
}

// Alternative format
"100"  // Direct amount input

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Response Formats

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Lending Response

{
  status: "success",
  message: "Asset lent successfully",
  transaction: "5UfgJ5vVZxUx...",
  amount: 100
}

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Account Details

interface LuloAccountDetailsResponse {
  totalValue: number;        // Total value in USDC
  interestEarned: number;    // Total interest earned
  realtimeApy: number;       // Current APY
  settings: {
    owner: string;           // Wallet address
    allowedProtocols: string | null;
    homebase: string | null;
    minimumRate: string;     // Minimum acceptable APY
  }
}

​

Implementation Details

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Lending Process

// Parameters
interface LendParams {
  amount: number;      // USDC amount
  symbol: string;      // Always "USDC"
  account: string;     // Wallet address
}

// Features
- Transaction versioning
- Blockhash handling
- Confirmation tracking
- Retry logic

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Error Handling

try {
  const signature = await agent.lendAssets(amount);
} catch (error) {
  if (error.message.includes("insufficient funds")) {
    // Handle insufficient balance
  } else if (error.message.includes("slippage")) {
    // Handle price movement
  }
}

​

Best Practices

1. Amount Management

   • Verify USDC balance
   • Consider gas fees
   • Set reasonable amounts
   • Monitor minimums

2. Transaction Handling

   • Monitor confirmations
   • Implement retries
   • Handle timeouts
   • Verify success

3. Yield Optimization

   • Monitor APY changes
   • Track interest earned
   • Consider lock periods
   • Compare rates

4. Security

   • Verify transactions
   • Check approvals
   • Monitor positions
   • Regular audits

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Common Issues

1. Transaction Failures

   • Insufficient funds
   • Network congestion
   • Invalid parameters
   • Timeout issues

2. Yield Related

   • APY fluctuations
   • Interest calculation
   • Rate changes
   • Protocol updates

3. Account Issues

   • Access problems
   • Balance sync
   • Setting updates
   • Protocol limits

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Protocol Features

1. Yield Generation

   • Automated optimization
   • Best APY routing
   • Compound interest
   • Protocol diversity

2. Security

   • Audited contracts
   • Risk management
   • Fund protection
   • Regular updates

3. Management

   • Account dashboard
   • Performance tracking
   • Setting configuration
   • Protocol selection

​

Transaction Flow

1. Pre-lending Checks

// Verify balance
const balance = await getBalance(USDC_MINT);
if (balance < amount) throw new Error("Insufficient balance");

2. Transaction Creation

// Create and sign transaction
const txn = VersionedTransaction.deserialize(buffer);
txn.message.recentBlockhash = blockhash;
txn.sign([wallet]);

3. Confirmation

// Wait for confirmation
await connection.confirmTransaction({
  signature,
  blockhash,
  lastValidBlockHeight
});

​

Related Functions

• getBalance: Check USDC balance
• withdrawAssets: Withdraw from Lulo
• getAccountDetails: Get account info
• checkYield: Monitor current APY

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Notes

1. Protocol Specifics

   • USDC only supported
   • Minimum deposit amounts
   • APY variations
   • Protocol fees

2. Performance Tips

   • Larger deposits preferred
   • Long-term holding benefits
   • APY threshold setting
   • Regular monitoring

3. Risk Management

   • Diversification strategy
   • Position sizing
   • Exit planning
   • Market monitoring