Add index.js

Author: josipbagaric

README.md

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+# EAC Counter
+
+## Installation
+
+`npm install eac-counter`
+
+## Usage
+
+```js
+import EacCounter from 'eac-counter';
+const counter = await EacCounter.getTotalEthTransferred();
+```

index.js

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+class EacCounter {
+  static async getTotalEthTransferred() {
+    const baseUrl = `http://api.etherscan.io/api?module=account&action=txlist&startblock=0&endblock=99999999&sort=asc`;
+    const timestampSchedulerUrl = `${baseUrl}&address=0x09e0c54ed4cffca45d691d5eb7b976d650f5904c`;
+    const blockSchedulerUrl = `${baseUrl}&address=0x56efae8a6d07fb29c24e67d76f3eccac180cf527`;
+
+    const urls = [timestampSchedulerUrl, blockSchedulerUrl];
+
+    let promises = [];
+
+    urls.forEach(url => {
+      const resultPromise = fetch(url).then(async (resp) => {
+        const response = await resp.json();
+
+        if (response.status == "1" && response.message === "OK") {
+          const weiTransferred = response.result.reduce((acc, tx) => acc + parseInt(tx.value), 0);
+          return weiTransferred / 1e18;
+        } else {
+          throw Error(response.result);
+        }
+      });
+      promises.push(resultPromise);
+    });
+
+    const values = await Promise.all(promises);
+    const totalEthTransferred = values.reduce((acc, value) => acc + parseFloat(value), 0);
+
+    return totalEthTransferred;
+  }
+}
+
+module.exports = EacCounter;

package.json

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+{
+  "name": "eac-counter",
+  "version": "0.0.1",
+  "description": "Shows how much ETH has been transferred using the Ethereum Alarm Clock Protocol",
+  "main": "index.js",
+  "scripts": {
+    "test": "node index.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/chronologic/eac-counter.git"
+  },
+  "author": "Joseph Bagaric (github.com/Bagaric)",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/chronologic/eac-counter/issues"
+  },
+  "homepage": "https://github.com/chronologic/eac-counter#readme"
+}