korrio

# LangChain Blockchain Analysis MVP with Claude in Python
# This application analyzes blockchain transactions and provides natural language insights using LangChain with Claude

# Required dependencies
from langchain_anthropic import ChatAnthropic
from langchain.prompts import PromptTemplate
from langchain.chains import LLMChain
from langchain.tools import Tool
from langchain.agents import initialize_agent, AgentType
from web3 import Web3

korrio

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */

korrio

async function fetchFileByURL(url: string): Promise<File> {
  const res = await fetch(url, {
    credentials: 'include',
    method: 'GET',
  })

  if (!res.ok) {
    throw new Error(`Failed to fetch file from ${url}, status: ${res.status}`)
  }

korrio

// MCP Server with Claude Integration
const express = require('express');
const http = require('http');
const WebSocket = require('ws');
const { Anthropic } = require('@anthropic/sdk');
const dotenv = require('dotenv');

// Load environment variables from .env file
dotenv.config();

korrio

const { Connection, PublicKey, Keypair } = require('@solana/web3.js');
const { Liquidity, Percent, Token } = require('@raydium-io/raydium-sdk');

async function swap() {
    // Setup connection
    const connection = new Connection('https://api.mainnet-beta.solana.com');
    const wallet = Keypair.generate(); // ในการใช้งานจริงใช้ wallet จริง
    
    // Setup pool และ tokens
    const SOL_USDC_POOL_ID = new PublicKey('58oQChx4yWmvKdwLLZzBi4ChoCc2fqCUWBkwMihLYQo2');

korrio

async def swap_on_uniswap_v3(w3, router_contract, token_in, token_out, amount, wallet_address, private_key, deadline):
    try:
        account = w3.eth.account.from_key(private_key)
        
        # ใช้ quoteExactInputSingle เพื่อประมาณการ amounts_out
        quoter_v3 = w3.eth.contract(address=QUOTER_ADDRESS, abi=quoter_abi)
        quote = quoter_v3.functions.quoteExactInputSingle(
            token_in,
            token_out,
            3000,  # 0.3% fee tier

korrio

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@uniswap/v3-periphery/contracts/interfaces/ISwapRouter.sol";
import "@uniswap/v3-periphery/contracts/interfaces/IQuoter.sol";
import "@uniswap/v3-periphery/contracts/libraries/TransferHelper.sol";

contract CrossDexAtomicSwap is Ownable {

korrio

//SPDX-License-Identifier: Unlicense
pragma solidity ^0.8.4;

library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *

korrio

package main

import (
    "context"
    "fmt"
    "log"
    "math/big"
    "time"

    "github.com/ethereum/go-ethereum/common"

korrio

use web3::types::{H160, U256};
use web3::contract::{Contract, Options};
use std::str::FromStr;
use std::time::Duration;
use tokio::time;

// Define DEX struct
struct DEX {
    name: String,
    router_address: H160,