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