tornado-core/scripts/ganacheHelper.js
2019-07-12 12:53:44 +03:00

46 lines
848 B
JavaScript

function send(method, params = []) {
return new Promise((resolve, reject) => {
web3.currentProvider.send({
jsonrpc: '2.0',
id: Date.now(),
method,
params
}, (err, res) => {
return err ? reject(err) : resolve(res);
});
});
}
const takeSnapshot = async seconds => {
return await send('evm_snapshot');
}
const revertSnapshot = async (id) => {
await send('evm_revert', [id]);
}
const mineBlock = async (timestamp) => {
await send('evm_mine', [timestamp]);
}
const increaseTime = async (seconds) => {
await send('evm_increaseTime', [seconds]);
}
const minerStop = async () => {
await send('miner_stop', []);
}
const minerStart = async () => {
await send('miner_start', []);
}
module.exports = {
takeSnapshot,
revertSnapshot,
mineBlock,
minerStop,
minerStart,
increaseTime,
};