Merge pull request #192 from grandizzy/generate_dai_script

Add script to generate DAI for given testchain address

packages/test-helpers/scripts/generateDai.js

@@ -0,0 +1,37 @@
+// usage:
+// > node_modules/.bin/babel-node packages/test-helpers/scripts/generateDai.js <address> <daiAmount>
+
+import { isAddress } from 'web3-utils';
+import { MDAI, ETH } from '@makerdao/dai-plugin-mcd/src/index';
+import { mcdMaker } from '@makerdao/dai-plugin-mcd/test/helpers';
+
+async function main() {
+  const maker = await mcdMaker();
+  const address = process.argv[process.argv.length - 2];
+  const amount = process.argv[process.argv.length - 1];
+  if (!isAddress(address)) {
+    console.log('Pass a valid address as the last argument.');
+    return;
+  }
+
+  maker.service('accounts').useAccountWithAddress(address);
+  console.log(`Generating ${amount} MDAI for ${address}`);
+  const cdpMgr = maker.service('mcd:cdpManager');
+
+  await cdpMgr.openLockAndDraw('ETH-A', ETH(1), MDAI(amount));
+
+  const dai = cdpMgr.get('token').getToken(MDAI);
+  const balance = await dai.balanceOf(address)
+  console.log(`Balance of ${address}: ${balance}`)
+
+}
+
+(async fn => {
+  try {
+    await fn();
+    process.exit();
+  } catch (err) {
+    console.error(err);
+    process.exit(1);
+  }
+})(main);