tokyo-solidity-template/static/test/helpers/timer.js

Make solidity contract based on user input

// timer for tests specific to testrpc
module.exports = s => new Promise((resolve, reject) => {
  web3.currentProvider.sendAsync({
    jsonrpc: "2.0",
    method: "evm_increaseTime",
    params: [ s ], // 60 seaconds, may need to be hex, I forget
    id: new Date().getTime(), // Id of the request; anything works, really
  }, (err) => {
    if (err) return reject(err);
    resolve();
  });
  // setTimeout(() => resolve(), s * 1000 + 600) // 600ms breathing room for testrpc to sync
});