合規整合指南

import { AuthenticationClient } from 'auth0';

const auth0Client = new AuthenticationClient({
  domain: 'dex.asia.auth.chainstream.io',
  clientId: 'your-client-id',
  clientSecret: 'your-client-secret'
});

// 获取 KYT 完整权限的 Token
const response = await auth0Client.oauth.clientCredentialsGrant({
  audience: 'https://api.dex.chainstream.io',
  scope: 'kyt.read kyt.write'
});

const accessToken = response.data.access_token;

from auth0.authentication import GetToken

get_token = GetToken(
    'dex.asia.auth.chainstream.io',
    'your-client-id',
    client_secret='your-client-secret'
)

token = get_token.client_credentials(
    audience='https://api.dex.chainstream.io',
    scope='kyt.read kyt.write'
)

access_token = token['access_token']

import { AuthenticationClient } from 'auth0';

class ComplianceService {
  constructor() {
    this.accessToken = null;
    this.tokenExpiry = null;
  }

  // 获取或刷新 Token
  async getAccessToken() {
    if (this.accessToken && this.tokenExpiry > Date.now()) {
      return this.accessToken;
    }

    const auth0Client = new AuthenticationClient({
      domain: 'dex.asia.auth.chainstream.io',
      clientId: process.env.CHAINSTREAM_CLIENT_ID,
      clientSecret: process.env.CHAINSTREAM_CLIENT_SECRET
    });

    const { data } = await auth0Client.oauth.clientCredentialsGrant({
      audience: 'https://api.dex.chainstream.io',
      scope: 'kyt.read kyt.write'
    });

    this.accessToken = data.access_token;
    // Token 通常 24 小时有效，提前 1 小时刷新
    this.tokenExpiry = Date.now() + (23 * 60 * 60 * 1000);
    
    return this.accessToken;
  }

  // 充值合规检查
  async checkDeposit(deposit) {
    const token = await this.getAccessToken();
    
    // 1. 注册交易
    const registerResponse = await fetch('https://api.chainstream.io/v1/kyt/transfer', {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${token}`,
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        network: deposit.network,
        asset: deposit.asset,
        transferReference: deposit.txHash,
        direction: 'received'
      })
    });
    const registered = await registerResponse.json();

    // 2. 等待并获取风险评估
    const risk = await this.waitForAnalysis(token, registered.externalId);
    
    // 3. 生成决策
    const decision = this.makeDecision(risk);
    
    // 4. 记录审计
    await this.auditLog(deposit, risk, decision);
    
    return decision;
  }

  async waitForAnalysis(token, transferId, maxAttempts = 10) {
    for (let i = 0; i < maxAttempts; i++) {
      const response = await fetch(
        `https://api.chainstream.io/v1/kyt/transfers/${transferId}/summary`,
        { headers: { 'Authorization': `Bearer ${token}` } }
      );
      const result = await response.json();
      
      if (result.rating) {
        return result;
      }
      await new Promise(r => setTimeout(r, 3000));
    }
    throw new Error('Analysis timeout');
  }

  makeDecision(risk) {
    const decisions = {
      'SEVERE': {
        action: 'FREEZE',
        requireSAR: true,
        notify: ['compliance@company.com', 'security@company.com']
      },
      'HIGH': {
        action: 'HOLD',
        requireReview: true,
        holdHours: 24
      },
      'MEDIUM': {
        action: 'PASS',
        flagMonitoring: true
      },
      'LOW': {
        action: 'PASS'
      }
    };
    return decisions[risk.rating] || decisions['LOW'];
  }

  async auditLog(deposit, risk, decision) {
    console.log({
      timestamp: new Date().toISOString(),
      type: 'COMPLIANCE_CHECK',
      deposit,
      risk,
      decision
    });
  }
}

// 使用示例
const compliance = new ComplianceService();

app.post('/deposit/process', async (req, res) => {
  const deposit = req.body;
  const decision = await compliance.checkDeposit(deposit);
  res.json(decision);
});

import os
import time
import requests
from auth0.authentication import GetToken

class ComplianceService:
    def __init__(self):
        self.access_token = None
        self.token_expiry = 0
        self.base_url = 'https://api.chainstream.io'
    
    def get_access_token(self):
        if self.access_token and self.token_expiry > time.time():
            return self.access_token
        
        get_token = GetToken(
            'dex.asia.auth.chainstream.io',
            os.environ['CHAINSTREAM_CLIENT_ID'],
            client_secret=os.environ['CHAINSTREAM_CLIENT_SECRET']
        )
        
        token = get_token.client_credentials(
            audience='https://api.dex.chainstream.io',
            scope='kyt.read kyt.write'
        )
        
        self.access_token = token['access_token']
        self.token_expiry = time.time() + (23 * 60 * 60)
        
        return self.access_token
    
    def check_deposit(self, deposit: dict) -> dict:
        token = self.get_access_token()
        headers = {
            'Authorization': f'Bearer {token}',
            'Content-Type': 'application/json'
        }
        
        # 注册交易
        register_response = requests.post(
            f'{self.base_url}/v1/kyt/transfer',
            headers=headers,
            json={
                'network': deposit['network'],
                'asset': deposit['asset'],
                'transferReference': deposit['tx_hash'],
                'direction': 'received'
            }
        )
        registered = register_response.json()
        
        # 等待结果
        risk = self.wait_for_analysis(token, registered['externalId'])
        
        # 返回决策
        return self.make_decision(risk['rating'])
    
    def wait_for_analysis(self, token, transfer_id, max_attempts=10):
        headers = {'Authorization': f'Bearer {token}'}
        
        for _ in range(max_attempts):
            response = requests.get(
                f'{self.base_url}/v1/kyt/transfers/{transfer_id}/summary',
                headers=headers
            )
            result = response.json()
            
            if result.get('rating'):
                return result
            time.sleep(3)
        
        raise Exception('Analysis timeout')
    
    def make_decision(self, rating):
        decisions = {
            'SEVERE': {'action': 'FREEZE', 'requireSAR': True},
            'HIGH': {'action': 'HOLD', 'requireReview': True},
            'MEDIUM': {'action': 'PASS', 'flagMonitoring': True},
            'LOW': {'action': 'PASS'}
        }
        return decisions.get(rating, decisions['LOW'])