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Merge pull request #258 from thanhson1085/master
separate to new container
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| 'use strict' | ||
|
|
||
| const chain = require('./models/blockchain/chain') | ||
| const db = require('./models/mongodb') | ||
| const config = require('config') | ||
| const q = require('./queues') | ||
| const EventEmitter = require('events').EventEmitter | ||
| const emitter = new EventEmitter() | ||
|
|
||
| process.setMaxListeners(200) | ||
|
|
||
| function watchNewBlock () { | ||
| try { | ||
| chain.eth.filter('latest').watch(async (err, block) => { | ||
| if (err) { | ||
| emitter.emit('error', err) | ||
| } | ||
| try { | ||
| let blk = await chain.eth.getBlock('latest') | ||
| await updateSigners(blk) | ||
| let epoch = parseInt(config.get('blockchain.epoch')) | ||
| let blockNumber = blk.number | ||
| console.log('Get latest block', blockNumber) | ||
| if (blockNumber % epoch === 0) { | ||
| q.create('reward', { block: blk }) | ||
| .priority('high').removeOnComplete(true).save() | ||
| } | ||
| } catch (e) { | ||
| console.error(e) | ||
| } | ||
| }) | ||
| } catch (e) { | ||
| emitter.emit('error', e) | ||
| } | ||
| } | ||
|
|
||
| async function updateSigners (blk) { | ||
| try { | ||
| if (!blk) { | ||
| let latestBlockNumber = await chain.eth.blockNumber | ||
| let lastCheckpoint = latestBlockNumber - (latestBlockNumber % parseInt(config.get('blockchain.epoch'))) | ||
| if (lastCheckpoint > 0) { | ||
| blk = await chain.eth.getBlock(lastCheckpoint) | ||
| } else { | ||
| return false | ||
| } | ||
| } | ||
| let buff = Buffer.from(blk.extraData.substring(2), 'hex') | ||
| let sbuff = buff.slice(32, buff.length - 65) | ||
| let signers = [] | ||
| if (sbuff.length > 0) { | ||
| for (let i = 1; i <= sbuff.length / 20; i++) { | ||
| let address = sbuff.slice((i - 1) * 20, i * 20) | ||
| signers.push('0x' + address.toString('hex')) | ||
| } | ||
| await db.Signer.create({ | ||
| networkId: config.get('blockchain.networkId'), | ||
| blockNumber: blk.number, | ||
| signers: signers | ||
| }) | ||
| } | ||
| return signers | ||
| } catch (e) { | ||
| console.error(e) | ||
| } | ||
| } | ||
|
|
||
| updateSigners(false) | ||
| watchNewBlock() | ||
| emitter.on('error', e => { | ||
| console.error('ERROR!!!', e) | ||
| process.exit(1) | ||
| }) |
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