《逃狱三王》与跨链逃亡：越狱作为跨链迁移

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

/**
 * @title 跨链迁移合约
 * @notice 实现资产跨链迁移
 */
contract CrossChainMigration {
    struct Migration {
        uint256 id;
        address user;
        address token;
        uint256 amount;
        uint256 sourceChainId;
        uint256 targetChainId;
        bytes32 targetAddress;
        uint256 timestamp;
        MigrationStatus status;
    }
    
    enum MigrationStatus { PENDING, IN_PROGRESS, COMPLETED, FAILED }
    
    mapping(uint256 => Migration) public migrations;
    mapping(bytes32 => bool) public processedMessages;
    
    uint256 public nextMigrationId;
    address public bridgeAddress;
    
    event MigrationInitiated(uint256 indexed id, address user, uint256 amount, uint256 targetChain);
    event MigrationCompleted(uint256 indexed id, bytes32 targetAddress);
    event MigrationFailed(uint256 indexed id, string reason);
    
    constructor(address _bridge) {
        bridgeAddress = _bridge;
    }
    
    function initiateMigration(
        address token,
        uint256 amount,
        uint256 targetChainId,
        bytes32 targetAddress
    ) external returns (uint256) {
        uint256 id = nextMigrationId++;
        migrations[id] = Migration({
            id: id,
            user: msg.sender,
            token: token,
            amount: amount,
            sourceChainId: block.chainid,
            targetChainId: targetChainId,
            targetAddress: targetAddress,
            timestamp: block.timestamp,
            status: MigrationStatus.PENDING
        });
        
        // 锁定代币
        IERC20(token).transferFrom(msg.sender, address(this), amount);
        
        emit MigrationInitiated(id, msg.sender, amount, targetChainId);
        return id;
    }
    
    function completeMigration(
        uint256 migrationId,
        bytes32 messageHash
    ) external {
        require(!processedMessages[messageHash], "Already processed");
        Migration storage migration = migrations[migrationId];
        require(migration.status == MigrationStatus.PENDING, "Not pending");
        
        migration.status = MigrationStatus.COMPLETED;
        processedMessages[messageHash] = true;
        
        emit MigrationCompleted(migrationId, migration.targetAddress);
    }
    
    function getMigrationStatus(uint256 migrationId) 
        external view returns (MigrationStatus) {
        return migrations[migrationId].status;
    }
}

interface IERC20 {
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
    function transfer(address to, uint256 amount) external returns (bool);
}

from web3 import Web3
from typing import Dict, List
import json
import asyncio

class CrossChainMonitor:
    """跨链迁移监控"""
    
    def __init__(self, chain_rpcs: Dict[str, str]):
        self.connections = {
            chain: Web3(Web3.HTTPProvider(rpc))
            for chain, rpc in chain_rpcs.items()
        }
        self.migrations = []
        
    async def monitor_bridge_activity(self, bridge_address: str) -> List[Dict]:
        """监控跨链桥活动"""
        activities = []
        for chain, w3 in self.connections.items():
            try:
                block = w3.eth.get_block('latest')
                activities.append({
                    'chain': chain,
                    'block': block.number,
                    'timestamp': block.timestamp
                })
            except Exception as e:
                activities.append({
                    'chain': chain,
                    'error': str(e)
                })
        return activities
    
    def analyze_migration_patterns(self, migrations: List[Dict]) -> Dict:
        """分析迁移模式"""
        from_chain = {}
        to_chain = {}
        for m in migrations:
            f = m.get('source_chain', 'unknown')
            t = m.get('target_chain', 'unknown')
            from_chain[f] = from_chain.get(f, 0) + 1
            to_chain[t] = to_chain.get(t, 0) + 1
        
        return {
            'total_migrations': len(migrations),
            'most_common_source': max(from_chain, key=from_chain.get),
            'most_common_target': max(to_chain, key=to_chain.get),
            'total_volume': sum(m.get('amount', 0) for m in migrations)
        }

monitor = CrossChainMonitor({
    'ethereum': 'https://eth-mainnet.g.alchemy.com/v2/YOUR_KEY',
    'polygon': 'https://polygon-mainnet.g.alchemy.com/v2/YOUR_KEY',
    'arbitrum': 'https://arb-mainnet.g.alchemy.com/v2/YOUR_KEY'
})

const ethers = require('ethers');

class CrossChainMigrationUI {
  constructor(contracts) {
    this.contracts = contracts;
  }

  async migrate(token, amount, targetChain, targetAddress, signer) {
    const contract = this.contracts[targetChain];
    const tx = await contract.initiateMigration(
      token, amount, targetChain, targetAddress
    );
    await tx.wait();
    return tx;
  }

  async estimateMigrationTime(sourceChain, targetChain) {
    const estimates = {
      'ethereum-arbitrum': 15,
      'ethereum-polygon': 30,
      'ethereum-optimism': 20
    };
    return estimates[`${sourceChain}-${targetChain}`] || 60;
  }
}

const migration = new CrossChainMigrationUI({});