23 lines
605 B
JavaScript
23 lines
605 B
JavaScript
export function advanceBlock() {
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return new Promise((resolve, reject) => {
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web3.currentProvider.sendAsync({
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jsonrpc: '2.0',
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method: 'evm_mine',
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id: Date.now(),
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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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// Advances the block number so that the last mined block is `number`.
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export default async function advanceToBlock(number) {
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if (web3.eth.blockNumber > number) {
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throw Error(`block number ${number} is in the past (current is ${web3.eth.blockNumber})`)
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}
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while (web3.eth.blockNumber < number) {
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await advanceBlock()
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}
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}
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