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Execute token swaps on Solana using Jupiter Exchange aggregation. Support for all SPL tokens with automatic SOL wrapping/unwrapping and slippage protection.

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Usage

// Swap SOL for USDC
const signature = await agent.methods.trade(
  new PublicKey("EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"), // USDC
  1, // 1 SOL
);

// Swap USDC for SOL with custom slippage
const signature = await agent.methods.trade(
  new PublicKey("So11111111111111111111111111111111111111112"), // SOL
  100, // 100 USDC
  new PublicKey("EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"), // USDC
  100 // 1% slippage
);

​
Parameters

ParameterTypeRequiredDescription
outputMintPublicKeyYesTarget token mint address
inputAmountnumberYesAmount to swap
inputMintPublicKeyNoSource token mint (defaults to SOL)
slippageBpsnumberNoSlippage tolerance in basis points (default: 300)

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Example Prompts

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Natural Language Prompts

"Swap 1 SOL for USDC"

"Exchange 100 USDC for SOL with 1% slippage"

"Trade my BONK tokens for USDC"

"Convert 50 USDT to jitoSOL"

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LangChain Tool Prompts

// Swap SOL for USDC
{
  "outputMint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
  "inputAmount": 1
}

// Swap USDC for SOL with custom slippage
{
  "outputMint": "So11111111111111111111111111111111111111112",
  "inputAmount": 100,
  "inputMint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
  "slippageBps": 100
}

// Swap with specific decimals
{
  "outputMint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
  "inputAmount": 1000,
  "inputMint": "DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263",
  "inputDecimal": 5
}

​
Example Implementation

import { SolanaAgentKit } from "solana-agent-kit";
import { PublicKey } from "@solana/web3.js";

async function executeSwaps(agent: SolanaAgentKit) {
  // Common token addresses
  const USDC = new PublicKey("EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v");
  const SOL = new PublicKey("So11111111111111111111111111111111111111112");
  
  try {
    // Swap SOL for USDC
    const swap1 = await agent.methods.trade(
      USDC,
      1  // 1 SOL
    );
    console.log("SOL -> USDC swap:", swap1);

    // Swap USDC back to SOL
    const swap2 = await agent.methods.trade(
      SOL,
      100,  // 100 USDC
      USDC,
      100   // 1% slippage
    );
    console.log("USDC -> SOL swap:", swap2);
  } catch (error) {
    console.error("Swap failed:", error);
  }
}

​
Implementation Details

  • Uses Jupiter Exchange for best prices
  • Automatic SOL wrapping/unwrapping
  • Dynamic compute unit limits
  • Auto-calculated priority fees
  • Optional referral integration
  • Direct route optimization

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Error Handling

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

​
Best Practices

  1. Slippage Management
    • Use appropriate slippage for token
    • Consider market volatility
    • Monitor price impact
    • Handle failed transactions
  2. Amount Calculation
    • Account for token decimals
    • Check minimum amounts
    • Consider fees
    • Verify available balance
  3. Error Handling
    • Implement retries
    • Monitor transaction status
    • Handle timeouts
    • Verify swap results
  4. Performance
    • Use direct routes when possible
    • Set appropriate compute limits
    • Monitor network conditions
    • Consider priority fees

​
Common Token Addresses

  • SOL: So11111111111111111111111111111111111111112
  • USDC: EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v
  • USDT: Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB
  • BONK: DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263
  • jitoSOL: J1toso1uCk3RLmjorhTtrVwY9HJ7X8V9yYac6Y7kGCPn

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Response Format

// Successful response
{
  status: "success",
  message: "Trade executed successfully",
  transaction: "5UfgJ5vVZxUxefDGqzqkVLHzHxVTyYH9StYyHKgvHYmXJgqJKxEqy9k4Rz9LpXrHF9kUZB7",
  inputAmount: 1,
  inputToken: "SOL",
  outputToken: "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
}

// Error response
{
  status: "error",
  message: "Error message here",
  code: "ERROR_CODE"
}
  • getBalance: Check token balances
  • fetchPrice: Get token prices
  • getTokenData: Get token information
  • transfer: Transfer tokens
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