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feat: add token list #22

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Merged
david30907d merged 1 commit into from
Sep 20, 2025
Merged

feat: add token list #22

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3 changes: 3 additions & 0 deletions src/app.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ const corsMiddleware = require('./middleware/cors');
const errorHandler = require('./middleware/errorHandler');
const swapRoutes = require('./routes/swap');
const intentRoutes = require('./routes/intents');
const tokenRoutes = require('./routes/tokens');

const app = express();
const PORT = process.env.PORT || 3002;
Expand Down Expand Up @@ -41,6 +42,7 @@ app.get('/health', (req, res) => {
// Routes
app.use('/', swapRoutes);
app.use('/', intentRoutes);
app.use('/tokens', tokenRoutes);

// Error handling middleware (must be last)
app.use(errorHandler);
Expand All @@ -56,6 +58,7 @@ if (require.main === module) {
console.log(
`Supported intents: dustZap, unifiedZap (zapIn, zapOut, rebalance coming soon)`
);
console.log(`🪙 Token endpoints: /tokens/zap/{chainId}, /tokens/chains`);
});
}

Expand Down
116 changes: 46 additions & 70 deletions src/config/tokenConfig.js
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,7 @@ const TOKEN_REGISTRY = {
name: 'Ethereum',
decimals: 18,
wrappedVersion: 'WETH',
zapEnabled: true,
},
WETH: {
type: 'wrapped',
Expand All @@ -60,20 +61,23 @@ const TOKEN_REGISTRY = {
decimals: 18,
hasDeposit: true,
nativeVersion: 'ETH',
zapEnabled: true,
},
USDC: {
type: 'erc20',
symbol: 'USDC',
name: 'USD Coin',
address: '0xA0b86a33E6441a8C8C5d56Aa14E4e66E8e6B9E2',
decimals: 6,
zapEnabled: true,
},
USDT: {
type: 'erc20',
symbol: 'USDT',
name: 'Tether USD',
address: '0xdAC17F958D2ee523a2206206994597C13D831ec7',
decimals: 6,
zapEnabled: true,
},
},

Expand All @@ -85,6 +89,7 @@ const TOKEN_REGISTRY = {
name: 'Ethereum',
decimals: 18,
wrappedVersion: 'WETH',
zapEnabled: true,
},
WETH: {
type: 'wrapped',
Expand All @@ -94,20 +99,23 @@ const TOKEN_REGISTRY = {
decimals: 18,
hasDeposit: true,
nativeVersion: 'ETH',
zapEnabled: true,
},
USDC: {
type: 'erc20',
symbol: 'USDC',
name: 'USD Coin',
address: '0xaf88d065e77c8cC2239327C5EDb3A432268e5831',
decimals: 6,
zapEnabled: true,
},
USDT: {
type: 'erc20',
symbol: 'USDT',
name: 'Tether USD',
address: '0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9',
decimals: 6,
zapEnabled: true,
},
},

Expand All @@ -119,6 +127,7 @@ const TOKEN_REGISTRY = {
name: 'Ethereum',
decimals: 18,
wrappedVersion: 'WETH',
zapEnabled: true,
},
WETH: {
type: 'wrapped',
Expand All @@ -128,81 +137,15 @@ const TOKEN_REGISTRY = {
decimals: 18,
hasDeposit: true,
nativeVersion: 'ETH',
zapEnabled: true,
},
USDC: {
type: 'erc20',
symbol: 'USDC',
name: 'USD Coin',
address: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913',
decimals: 6,
},
},

// Polygon (Chain ID: 137)
137: {
MATIC: {
type: 'native',
symbol: 'MATIC',
name: 'Polygon',
decimals: 18,
wrappedVersion: 'WMATIC',
},
WMATIC: {
type: 'wrapped',
symbol: 'WMATIC',
name: 'Wrapped Matic',
address: '0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270',
decimals: 18,
hasDeposit: true,
nativeVersion: 'MATIC',
},
USDC: {
type: 'erc20',
symbol: 'USDC',
name: 'USD Coin',
address: '0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174',
decimals: 6,
},
WETH: {
type: 'erc20',
symbol: 'WETH',
name: 'Wrapped Ethereum',
address: '0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619',
decimals: 18,
},
},

// BSC (Chain ID: 56)
56: {
BNB: {
type: 'native',
symbol: 'BNB',
name: 'BNB',
decimals: 18,
wrappedVersion: 'WBNB',
},
WBNB: {
type: 'wrapped',
symbol: 'WBNB',
name: 'Wrapped BNB',
address: '0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c',
decimals: 18,
hasDeposit: true,
nativeVersion: 'BNB',
},
USDC: {
type: 'erc20',
symbol: 'USDC',
name: 'USD Coin',
address: '0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d',
decimals: 18,
},
USDT: {
type: 'erc20',
symbol: 'USDT',
name: 'Tether USD',
address: '0x55d398326f99059fF775485246999027B3197955',
decimals: 18,
zapEnabled: true,
},
},
};
Expand All @@ -214,8 +157,6 @@ const CHAIN_METADATA = {
1: { name: 'Ethereum', nativeToken: 'ETH' },
42161: { name: 'Arbitrum', nativeToken: 'ETH' },
8453: { name: 'Base', nativeToken: 'ETH' },
137: { name: 'Polygon', nativeToken: 'MATIC' },
56: { name: 'BSC', nativeToken: 'BNB' },
};

/**
Expand Down Expand Up @@ -327,6 +268,41 @@ class TokenConfigService {

return this.getToken(chainId, nativeToken.wrappedVersion);
}

/**
* Get zap-enabled tokens for a specific chain
* @param {number} chainId - Chain ID
* @returns {Object} - Formatted response with chain info and zap-enabled tokens
*/
static getZapTokens(chainId) {
const chainTokens = TOKEN_REGISTRY[chainId];
const chainMetadata = CHAIN_METADATA[chainId];

if (!chainTokens || !chainMetadata) {
return null;
}

// Filter only zap-enabled tokens and format for API response
const zapTokens = Object.values(chainTokens)
.filter(token => token.zapEnabled)
.map(token => ({
symbol: token.symbol,
name: token.name,
address: token.address || 'native',
decimals: token.decimals,
type: token.type,
...(token.wrappedVersion && { wrappedVersion: token.wrappedVersion }),
...(token.nativeVersion && { nativeVersion: token.nativeVersion }),
...(token.hasDeposit && { hasDeposit: token.hasDeposit }),
}));

return {
chainId,
chainName: chainMetadata.name.toLowerCase(),
nativeToken: chainMetadata.nativeToken,
tokens: zapTokens,
};
}
}

module.exports = {
Expand Down
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