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476e422714
The `ganache.js` helper module uses `ganache-core` to start `ganache` instead of `ganache-cli`, and allows all of the same customization. Using `ganache` programmatically from our e2e tests is much faster, as we don't have to wait that arbitrary 5 seconds before each test as we wait for `ganache-cli` to start up.
38 lines
842 B
JavaScript
38 lines
842 B
JavaScript
const ganache = require('ganache-core')
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const { promisify } = require('util')
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const defaultOptions = {
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blockTime: 2,
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network_id: 5777,
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mnemonic: 'phrase upgrade clock rough situate wedding elder clever doctor stamp excess tent',
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port: 8545,
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vmErrorsOnRPCResponse: false,
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}
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class Ganache {
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async start (options) {
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options = Object.assign({}, defaultOptions, options)
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const port = options.port
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this._server = ganache.server(options)
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const listen = promisify(this._server.listen).bind(this._server)
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const blockchain = await listen(port)
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return {
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...blockchain,
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port,
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}
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}
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async quit () {
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if (!this._server) {
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throw new Error('Server not running yet')
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}
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const close = promisify(this._server.close).bind(this._server)
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await close()
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}
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}
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module.exports = Ganache
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