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47 lines
1.6 KiB
47 lines
1.6 KiB
const JsonRpcEngine = require('json-rpc-engine')
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const scaffoldMiddleware = require('eth-json-rpc-middleware/scaffold')
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const providerAsMiddleware = require('eth-json-rpc-middleware/providerAsMiddleware')
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const GanacheCore = require('ganache-core')
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module.exports = {
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createEngineForTestData,
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providerFromEngine,
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scaffoldMiddleware,
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createTestProviderTools,
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getTestSeed,
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getTestAccounts,
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}
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function getTestSeed () {
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return 'people carpet cluster attract ankle motor ozone mass dove original primary mask'
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}
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function getTestAccounts () {
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return [
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{ address: '0x88bb7F89eB5e5b30D3e15a57C68DBe03C6aCCB21', key: Buffer.from('254A8D551474F35CCC816388B4ED4D20B945C96B7EB857A68064CB9E9FB2C092', 'hex') },
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{ address: '0x1fe9aAB565Be19629fF4e8541ca2102fb42D7724', key: Buffer.from('6BAB5A4F2A6911AF8EE2BD32C6C05F6643AC48EF6C939CDEAAAE6B1620805A9B', 'hex') },
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{ address: '0xbda5c89aa6bA1b352194291AD6822C92AbC87c7B', key: Buffer.from('9B11D7F833648F26CE94D544855558D7053ECD396E4F4563968C232C012879B0', 'hex') },
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]
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}
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function createEngineForTestData () {
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return new JsonRpcEngine()
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}
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function providerFromEngine (engine) {
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const provider = { sendAsync: engine.handle.bind(engine) }
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return provider
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}
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function createTestProviderTools (opts = {}) {
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const engine = createEngineForTestData()
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// handle provided hooks
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engine.push(scaffoldMiddleware(opts.scaffold || {}))
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// handle block tracker methods
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engine.push(providerAsMiddleware(GanacheCore.provider({
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mnemonic: getTestSeed(),
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})))
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// wrap in standard provider interface
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const provider = providerFromEngine(engine)
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return { provider, engine }
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}
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