Get Tokens

async getTokens(chainIndex: string): Promise<APIResponse<TokenData>>

import { OKXClient } from '@okxweb3/okx-api';

const client = new OKXClient({
  apiKey: 'your-api-key',
  secretKey: 'your-secret-key',
  apiPassphrase: 'your-passphrase',
  projectId: 'your-project-id'
});

// Get all tokens on Ethereum
const tokens = await client.dex.getTokens('1');

console.log(`Found ${tokens.data.length} tokens`);

// Find a specific token
const usdc = tokens.data.find(t => t.tokenSymbol === 'USDC');
console.log('USDC:', usdc);

// List all token symbols
const symbols = tokens.data.map(t => t.tokenSymbol);
console.log('Symbols:', symbols);

{
  "code": "0",
  "msg": "",
  "data": [
    {
      "decimals": "18",
      "tokenContractAddress": "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE",
      "tokenLogoUrl": "https://static.okx.com/cdn/wallet/logo/eth.png",
      "tokenName": "Ethereum",
      "tokenSymbol": "ETH"
    },
    {
      "decimals": "6",
      "tokenContractAddress": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
      "tokenLogoUrl": "https://static.okx.com/cdn/wallet/logo/usdc.png",
      "tokenName": "USD Coin",
      "tokenSymbol": "USDC"
    },
    {
      "decimals": "6",
      "tokenContractAddress": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
      "tokenLogoUrl": "https://static.okx.com/cdn/wallet/logo/usdt.png",
      "tokenName": "Tether USD",
      "tokenSymbol": "USDT"
    }
  ]
}

const tokens = await client.dex.getTokens('1');

// Build token selector dropdown
const tokenOptions = tokens.data.map(token => ({
  label: `${token.tokenSymbol} - ${token.tokenName}`,
  value: token.tokenContractAddress,
  icon: token.tokenLogoUrl,
  decimals: parseInt(token.decimals)
}));

const tokens = await client.dex.getTokens('1');

function isTokenSupported(address: string): boolean {
  return tokens.data.some(
    t => t.tokenContractAddress.toLowerCase() === address.toLowerCase()
  );
}

function getTokenInfo(address: string) {
  return tokens.data.find(
    t => t.tokenContractAddress.toLowerCase() === address.toLowerCase()
  );
}

const tokens = await client.dex.getTokens('1');

// Search by symbol or name
function searchTokens(query: string) {
  const q = query.toLowerCase();
  return tokens.data.filter(
    t => t.tokenSymbol.toLowerCase().includes(q) ||
         t.tokenName.toLowerCase().includes(q)
  );
}

const stablecoins = searchTokens('usd');
console.log('Stablecoins:', stablecoins.map(t => t.tokenSymbol));

class TokenCache {
  private cache = new Map<string, { data: TokenData[], timestamp: number }>();
  private TTL = 3600000; // 1 hour

  async getTokens(chainIndex: string): Promise<TokenData[]> {
    const cached = this.cache.get(chainIndex);
    
    if (cached && Date.now() - cached.timestamp < this.TTL) {
      return cached.data;
    }

    const response = await client.dex.getTokens(chainIndex);
    this.cache.set(chainIndex, {
      data: response.data,
      timestamp: Date.now()
    });

    return response.data;
  }
}