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| const watch = require('watch')
const {
config: {
selectors: { getCovenants, getChainByAlias }
}
} = require('interbit-covenant-tools')
const log = require('../log')
const {
generateDeploymentDetails,
deployCovenants
} = require('../chainManagement')
const watchCovenants = (cli, interbitConfig, chainManifest) => {
const covenants = getCovenants(interbitConfig)
Object.entries(covenants).forEach(([name, config]) => {
log.info(`Watching for changes in ${config.location}`)
watch.createMonitor(config.location, monitor => {
try {
monitor.on('created', (f, stat) => {
redeployCovenants(cli, interbitConfig, chainManifest)
})
monitor.on('changed', (f, curr, prev) => {
redeployCovenants(cli, interbitConfig, chainManifest)
})
monitor.on('removed', (f, stat) => {
redeployCovenants(cli, interbitConfig, chainManifest)
})
} catch (e) {
monitor.stop()
log.error(
`interbit: Problem redeploying covenant ${name} at ${config.location}`
)
}
})
})
}
const redeployBuffer = {
isDeploying: false,
isDeployPending: false
}
const redeployCovenants = async (cli, interbitConfig, chainManifest) => {
log.info('attempted to redeploy')
if (redeployBuffer.isDeploying) {
redeployBuffer.isDeployPending = true
return undefined
} else if (redeployBuffer.isDeployPending) {
redeployBuffer.isDeployPending = false
}
redeployBuffer.isDeploying = true
log.info('Redeploying updated covenants...')
const covenantHashes = await deployCovenants({
cli,
covenantConfig: getCovenants(interbitConfig)
})
applyUpdates(cli, chainManifest, interbitConfig, covenantHashes)
redeployBuffer.isDeploying = false
return covenantHashes
}
const applyUpdates = (cli, chainManifest, interbitConfig, covenantHashes) => {
Object.entries(chainManifest).forEach(async ([chainAlias, chainEntry]) => {
const aliasedChain = getChainByAlias(chainAlias, interbitConfig)
const covenantAlias = aliasedChain.covenant
const covenantHash = covenantHashes[covenantAlias]
cli.applyCovenant(chainEntry.chainId, covenantHash)
const isDefaultChain = aliasedChain.isDefaultChain
if (isDefaultChain) {
const defaultChain = await cli.getChain(chainEntry.chainId)
updateManifest(chainManifest, covenantHashes, defaultChain)
}
})
}
const updateManifest = (chainManifest, covenantHashes, defaultChain) => {
const deploymentDetails = generateDeploymentDetails(
chainManifest,
covenantHashes
)
log.info('Updated deploymentDetails ', deploymentDetails)
// TODO: dispatch updated deployment deets to the defaultChain
}
module.exports = watchCovenants
|