[CLI] Time travel on development network

CLI/commands/helpers/time.js

@@ -0,0 +1,59 @@
+const moment = require('moment');
+const chalk = require('chalk');
+
+function jumpToTime(timestamp) {
+  const id = Date.now();
+
+  return new Promise((resolve, reject) => {
+    web3.currentProvider.send(
+      {
+        jsonrpc: "2.0",
+        method: "evm_mine",
+        params: [timestamp],
+        id: id
+      },
+      (err, res) => {
+        return err ? reject(err) : resolve(res);
+      }
+    );
+  });
+}
+
+async function increaseTimeByDate(toTime) {
+  if (await web3.eth.net.getId() === 15) {
+    if (toTime.isValid()) {
+      let currentTime = (await web3.eth.getBlock('latest')).timestamp;
+      if (toTime.unix() > currentTime) {
+        await jumpToTime(toTime.unix());
+        currentTime = (await web3.eth.getBlock('latest')).timestamp;
+        console.log(chalk.gree(`Current datetime is ${currentTime} or ${moment.unix(currentTime).format("MM/DD/YYYY HH:mm:ss")}`));
+      } else {
+        console.log(chalk.red(`It is not possible to go back in time. Please try again with a time in the future to travel to`));
+      }
+    } else {
+      console.log(chalk.red(`Date format is not valid. Please use a valid Unix epoch time`));
+    }
+  } else {
+    console.log(chalk.red(`Time traveling is only possible over develpment network`));
+  }
+}
+
+function increaseTimeByDuration(duration) {
+  let currentTime = moment().unix();
+  let toTime = currentTime.add(duration, "seconds");
+  return increaseTimeByDate(toTime);
+}
+
+function increaseTimeToDate(date) {
+  var toDate = moment(date, ['MM-DD-YYYY', 'MM-DD-YYYY HH:mm:ss']);
+  return increaseTimeByDate(toDate);
+}
+
+function increaseTimeToEpochDate(epochDate) {
+  var toTime = moment.unix(epochDate);
+  return increaseTimeByDate(toTime);
+}
+
+module.exports = { increaseTimeByDuration, increaseTimeToDate, increaseTimeToEpochDate };
+
+

CLI/polymath-cli.js

@@ -1,19 +1,21 @@
 #!/usr/bin/env node
 
-var faucet = require('./commands/faucet');
-var investor_portal = require('./commands/investor_portal');
-var token_manager = require('./commands/token_manager');
-var st20generator = require('./commands/ST20Generator');
-var sto_manager = require('./commands/sto_manager');
-var transfer = require('./commands/transfer');
-var transfer_ownership = require('./commands/transfer_ownership');
-var dividends_manager = require('./commands/dividends_manager');
-var transfer_manager = require('./commands/transfer_manager');
-var contract_manager = require('./commands/contract_manager');
-var strMigrator = require('./commands/strMigrator');
-var permission_manager = require('./commands/permission_manager');
-var program = require('commander');
-var gbl = require('./commands/common/global');
+const faucet = require('./commands/faucet');
+const investor_portal = require('./commands/investor_portal');
+const token_manager = require('./commands/token_manager');
+const st20generator = require('./commands/ST20Generator');
+const sto_manager = require('./commands/sto_manager');
+const transfer = require('./commands/transfer');
+const transfer_ownership = require('./commands/transfer_ownership');
+const dividends_manager = require('./commands/dividends_manager');
+const transfer_manager = require('./commands/transfer_manager');
+const contract_manager = require('./commands/contract_manager');
+const strMigrator = require('./commands/strMigrator');
+const permission_manager = require('./commands/permission_manager');
+const time = require('./commands/helpers/time')
+const gbl = require('./commands/common/global');
+const program = require('commander');
+const moment = require('moment');
 const yaml = require('js-yaml');
 const fs = require('fs');
 
@@ -151,6 +153,24 @@ program
     await permission_manager.executeApp();
   });
 
+program
+  .command('time_travel')
+  .alias('tt')
+  .option('-p, --period <seconds>', 'Period of time in seconds to increase')
+  .option('-d, --toDate <date>', 'Human readable date ("MM/DD/YY [HH:mm:ss]") to travel to')
+  .option('-e, --toEpochTime <epochTime>', 'Unix Epoch time to travel to')
+  .description('Increases time on EVM according to given value.')
+  .action(async function (cmd) {
+    await gbl.initialize(program.remoteNode);
+    if (cmd.period) {
+      await time.increaseTimeByDuration(parseInt(cmd.period));
+    } else if (cmd.toDate) {
+      await time.increaseTimeToDate(cmd.toDate);
+    } else if (cmd.toEpochTime) {
+      await time.increaseTimeToEpochDate(cmd.toEpochTime);
+    }
+  });
+
 program.parse(process.argv);
 
 if (typeof program.commands.length == 0) {