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function startNode (nodeExec, dataDir, genesisPath, listeningPort)
{
var spawn = require('child_process').spawn
var options = [
'--private', 'privatechain',
'-d', dataDir,
'--config', genesisPath,
'--ipcpath', dataDir + '/geth.ipc',
'--ipc',
'--listen', listeningPort,
'--test'
]
console.log('starting node')
console.log(nodeExec + ' ' + options.join(' '))
var node = spawn(nodeExec, options)
node.stdout.on('data', (data) => {
console.log(`stdout: ${data}`)
})
node.stderr.on('data', (data) => {
console.log(`stderr: ${data}`)
})
node.on('close', (code) => {
console.log(`child process exited with code ${code}`)
})
}
module.exports = startNode
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