Download token images

README.md

@@ -1,4 +1,5 @@
 # Token Lists
+
 Automativally generate Token Lists
 
 ```bash
@@ -7,4 +8,12 @@ yarn
 
 # Generate Coingecko list
 yarn coingecko
-```
+```
+
+## Download images
+
+There's a script that will fetch all images form the CowSwap list and store them in `src/public/images/<chainId>/<address>.png`
+
+```
+yarn downloadImages
+```

package.json

@@ -7,14 +7,16 @@
   "scripts": {
     "build": "npm run public && npm run coingecko",
     "coingecko": "node src/coingecko.js",
+    "downloadImages": "node  --experimental-json-modules src/downloadImages",
     "public": "copyfiles src/public/*.json build/lists -f"
   },
   "license": "(MIT OR Apache-2.0)",
   "dependencies": {
     "axios": "^1.0.0",
-    "node-fetch": "^3.2.10"
+    "node-fetch": "^3.3.0"
   },
   "devDependencies": {
+    "@types/node": "^18.11.11",
     "copyfiles": "^2.4.1"
   }
-}
+}

src/downloadImages.js

@@ -0,0 +1,27 @@
+import cowSwapList from './public/CowSwap.json' assert { type: "json" }
+import fetch from 'node-fetch';
+import {createWriteStream} from 'fs'
+import path, {dirname} from 'path'
+import { fileURLToPath } from 'url';
+
+
+
+async function main() {
+  for(const token of cowSwapList.tokens) {
+    const { symbol, name, address, chainId, logoURI } = token
+    const filePath = `public/images/${chainId}/${address}.png`
+
+    console.log(`Download image for ${symbol} (${name})
+      URI: ${logoURI}
+      File: ${filePath}\n`) 
+    const dirName = dirname(fileURLToPath(import.meta.url))
+    const absolutePath = path.join(dirName, filePath)
+    // console.log('absolutePath', absolutePath)
+    const fileStream = createWriteStream(absolutePath);
+    const response = await fetch(logoURI)
+    response.body.pipe(fileStream)
+  }
+}
+
+
+main().catch(console.error)