electusaction/test/utils/increaseTime.js

Electus Action Framework

const increaseTime = duration => {
  const id = Date.now();
  return new Promise((resolve, reject) => {
    web3.currentProvider.send(
      {
        jsonrpc: "2.0",
        method: "evm_increaseTime",
        params: [duration],
        id: id
      },
      err1 => {
        if (err1) return reject(err1);
        web3.currentProvider.send(
          {
            jsonrpc: "2.0",
            method: "evm_mine",
            id: id + 1
          },
          (err2, res) => {
            return err2 ? reject(err2) : resolve(res);
          }
        );
      }
    );
  });
};

module.exports = increaseTime;