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Add ETH override to tokenData API #488

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Add ETH override to tokenData API #488

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6927130
Add ETH override to tokenData API
nathanhleung Mar 6, 2022
cf55978
Add Ether override in try-catch
nathanhleung Mar 6, 2022
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12 changes: 9 additions & 3 deletions api/tokenData.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -26,8 +26,7 @@ type tokenData = {
*
*/

// params: address (required), chainId (optional) (default 1)
export default async (request: VercelRequest, response: VercelResponse) => {
export default async function handler(request: VercelRequest, response: VercelResponse) {
response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader("Cache-Control", "max-age=3600, s-maxage=3600");

Expand Down Expand Up @@ -92,7 +91,10 @@ export default async (request: VercelRequest, response: VercelResponse) => {

let method: "RARI" | "COINGECKO" | "CONTRACT";

//1.) Try Rari Token list 2.) Try Coingecko 3.) Try contracts
// 1.) Try Rari Token list
// 2.) Check if the address is the zero address (denotes ETH)
// 3.) Try Coingecko
// 4.) Try contracts
if (!!rariTokenData) {
// We got data from rari token list
let { symbol: _symbol, name: _name, logoURI } = rariTokenData;
Expand All @@ -102,6 +104,10 @@ export default async (request: VercelRequest, response: VercelResponse) => {
logoURL = logoURI;

method = "RARI";
} else if (address === "0x0000000000000000000000000000000000000000") {
symbol = "ETH"; // We use the zero address in the dapp to denote ETH
name = "Ether";
logoURL = "https://icons.iconarchive.com/icons/cjdowner/cryptocurrency-flat/64/Ethereum-ETH-icon.png";
} else {
// We could not get data from rari token list. Try Coingecko
const coingeckoData = await fetch(coingeckoURL).then((res) => {
Expand Down