Add test script

README.md

@@ -15,3 +15,7 @@ This is a work in progress. The goal is to eventually handle historical data. De
 
 If you have any suggestions, want to contribute or want to chat, please join [our discord](https://discord.gg/buPFYXzDDd) and drop a message.
 
+## Testing adapters
+```
+node test.js projects/pangolin/index.js
+```

test.js

@@ -0,0 +1,35 @@
+#!/usr/bin/env node
+const path = require("path");
+require('dotenv').config();
+const {default: computeTVL} = require("@defillama/sdk/build/computeTVL");
+const { getCurrentBlocks } = require("@defillama/sdk/build//computeTVL/blocks");
+const { humanizeNumber } = require("@defillama/sdk/build//computeTVL/humanizeNumber");
+
+
+if (process.argv.length < 3) {
+    console.error(`Missing argument, you need to provide the filename of the adapter to test.
+    Eg: npx @defillama/sdk projects/myadapter.js`);
+    process.exit(1);
+}
+const passedFile = path.resolve(process.cwd(), process.argv[2]);
+
+(async () => {
+    const moduleToTest = (await import(passedFile)).default;
+    let usdTvl;
+    if (moduleToTest.fetch) {
+        usdTvl = await moduleToTest.fetch();
+    } else if (moduleToTest.tvl) {
+        const { timestamp, ethereumBlock, chainBlocks } = await getCurrentBlocks();
+
+        let tvl = await moduleToTest.tvl(timestamp, ethereumBlock, chainBlocks);
+        if (typeof tvl !== "object") {
+            throw new Error("TVL returned is not a balances object");
+        }
+
+        usdTvl = (await computeTVL(tvl, "now", true)).usdTvl;
+    } else {
+        throw new Error("File must export either a property called tvl or one called fetch")
+    }
+    console.log("Total:", humanizeNumber(usdTvl));
+    process.exit(0);
+})();