Merge pull request #15 from getsafle/feature-return-price-data

Author: apoorvq

.gitignore

@@ -7,4 +7,5 @@ test.js
 .terraform
 *.tfstate*
 .DS_Store
-.vscode
+.vscode
+test.js

CHANGELOG.md

@@ -19,3 +19,7 @@
 
 * SDK v2.0.0 - This SDK can now detect and return the details of all the NFTs for a particular address across any supported chains.
 * Supported Chains : `Ethereum`, `Polygon` and `BSC`.
+
+### 2.1.0 (2022-11-24)
+
+* This version will return the price data for every NFT. If the price data in not available, then it will return `No price data found`.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@getsafle/nft-controller",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "Library to enable detection of Non Fungible Tokens (NFT) for any public address across the supported chains.",
   "main": "src/index.js",
   "scripts": {

src/config/index.js

@@ -4,5 +4,8 @@ module.exports = {
         ethereum: 1,
         polygon: 137,
         bsc: 56,
-    }
+    },
+    OPENSEA_API(contractAddress, tokenId) {
+        return `https://api.opensea.io/api/v1/asset/${contractAddress}/${tokenId}/?include_orders=false`
+    },
 };

src/index.js

@@ -23,7 +23,7 @@ class NftController {
             filteredData = response.data.filter((asset) => asset.chainId === Config.CHAIN_ID[chain.toLowerCase()]);
         }
 
-        filteredData.forEach((asset) => {
+        for (const asset of filteredData) {
             const obj = {};
 
             obj.name = asset.name;
@@ -32,9 +32,20 @@ class NftController {
             obj.tokenUrl = asset.tokenUrl;
             obj.contractAddress = asset.tokenAddress;
             obj.metadata = asset.metadata;
+            obj.chainId = asset.chainId;
+
+            let priceData;
+
+            if (obj.chainId === 1) {
+                priceData = await Helper.getPriceData(obj.contractAddress, obj.tokenId);
+            } else {
+                priceData = 'No price data found';
+            }
+
+            obj.priceData = priceData;
 
             assetDetails.push(obj);
-        });
+        };
 
         return { response: assetDetails };
     }

src/utils/helper.js

@@ -8,7 +8,7 @@ async function getRequest(url) {
 
     return { response: response.data };
   } catch (error) {
-    return { error: error.response };
+    return { error: error };
   }
 }
 
@@ -18,8 +18,27 @@ function inputValidator(chain) {
   }
 }
 
+async function getPriceData(contractAddress, tokenId) {
+  const { error, response } = await this.getRequest(Config.OPENSEA_API(contractAddress, tokenId));
+
+  if (error) {
+    return 'No price data found';
+  }
+
+  const { last_sale: { total_price, payment_token: { symbol, decimals, usd_price } } } = response;
+
+  const priceData = {
+    symbol,
+    valueInCrypto: total_price/decimals,
+    valueInUSD: (total_price/decimals) * usd_price,
+  }
+
+  return priceData;
+}
+
 module.exports = {
     getRequest,
     inputValidator,
+    getPriceData,
 };