Add script for vetoing via console

scripts/veto-contribution.js

@@ -0,0 +1,32 @@
+const promptly = require('promptly');
+const { inspect } = require('util');
+
+const initKredits = require('./helpers/init_kredits.js');
+
+module.exports = async function(callback) {
+  let kredits;
+  try { kredits = await initKredits(web3);
+  } catch(e) { callback(e); return; }
+
+  console.log(`Using Contributions at: ${kredits.Contribution.contract.address}\n`);
+
+  let contributionId = await promptly.prompt('Contribution ID: ');
+
+  console.log(`Recording a veto for contribution #${contributionId}`);
+
+  try {
+    kredits.Contribution.functions.veto(contributionId, { gasLimit: 300000 })
+      .then(result => {
+        console.log("\n\nResult:");
+        console.log(result);
+        callback();
+      })
+      .catch(error => {
+        console.log('Failed to veto contribution');
+        callback(inspect(error));
+      });
+  } catch(err) {
+    console.log('Failed to veto contribution');
+    callback(inspect(err));
+  }
+}