bitfeed/client/src/controllers/TxController.js

424 lines
14 KiB
JavaScript

import TxPoolScene from '../models/TxPoolScene.js'
import TxMondrianPoolScene from '../models/TxMondrianPoolScene.js'
import TxBlockScene from '../models/TxBlockScene.js'
import BitcoinTx from '../models/BitcoinTx.js'
import BitcoinBlock from '../models/BitcoinBlock.js'
import TxSprite from '../models/TxSprite.js'
import { FastVertexArray } from '../utils/memory.js'
import { searchTx, fetchSpends, addSpends } from '../utils/search.js'
import { overlay, txCount, mempoolCount, mempoolScreenHeight, blockVisible, currentBlock, selectedTx, detailTx, blockAreaSize, highlight, colorMode, blocksEnabled, latestBlockHeight, explorerBlockData, blockTransitionDirection, loading, urlPath } from '../stores.js'
import config from "../config.js"
export default class TxController {
constructor ({ width, height }) {
this.vertexArray = new FastVertexArray(2048, TxSprite.dataSize, txCount)
this.debugVertexArray = new FastVertexArray(1024, TxSprite.dataSize)
this.txs = {}
this.expiredTxs = {}
this.poolScene = new TxMondrianPoolScene({ width, height, controller: this, heightStore: mempoolScreenHeight })
this.blockAreaSize = (width <= 620) ? Math.min(window.innerWidth * 0.7, window.innerHeight / 2.75) : Math.min(window.innerWidth * 0.75, window.innerHeight / 2.5)
blockAreaSize.set(this.blockAreaSize)
this.blockScene = null
this.block = null
this.explorerBlockScene = null
this.explorerBlock = null
this.clearBlockTimeout = null
this.txDelay = 0 //config.txDelay
this.maxTxDelay = config.txDelay
this.knownBlocks = {}
this.selectedTx = null
this.selectionLocked = false
this.lastTxTime = 0
this.txDelay = 0
this.blocksEnabled = true
blocksEnabled.subscribe(enabled => {
this.blocksEnabled = enabled
})
detailTx.subscribe(tx => {
this.onDetailTxChanged(tx)
})
highlight.subscribe(criteria => {
this.highlightCriteria = criteria
this.applyHighlighting()
})
colorMode.subscribe(mode => {
this.setColorMode(mode)
})
explorerBlockData.subscribe(blockData => {
if (blockData) {
this.exploreBlock(blockData)
} else {
this.resumeLatest()
}
})
}
getVertexData () {
return this.vertexArray.getVertexData()
}
getDebugVertexData () {
return this.debugVertexArray.getVertexData()
}
getScenes () {
if (this.blockScene && this.explorerBlockScene) return [this.poolScene, this.blockScene, this.explorerBlockScene]
else if (this.blockScene) return [this.poolScene, this.blockScene]
else return [this.poolScene]
}
redoLayout ({ width, height }) {
this.poolScene.layoutAll({ width, height })
if (this.blockScene) {
this.blockScene.layoutAll({ width: this.blockAreaSize, height: this.blockAreaSize })
}
if (this.explorerBlockScene) {
this.explorerBlockScene.layoutAll({ width: this.blockAreaSize, height: this.blockAreaSize })
}
}
resize ({ width, height }) {
this.blockAreaSize = (width <= 620) ? Math.min(window.innerWidth * 0.7, window.innerHeight / 2.75) : Math.min(window.innerWidth * 0.75, window.innerHeight / 2.5)
blockAreaSize.set(this.blockAreaSize)
this.redoLayout({ width, height })
}
setColorMode (mode) {
this.colorMode = mode
this.poolScene.setColorMode(mode)
if (this.blockScene) {
this.blockScene.setColorMode(mode)
}
if (this.explorerBlockScene) {
this.explorerBlockScene.setColorMode(mode)
}
}
applyHighlighting () {
this.poolScene.applyHighlighting(this.highlightCriteria)
if (this.blockScene) {
this.blockScene.applyHighlighting(this.highlightCriteria)
}
if (this.explorerBlockScene) {
this.explorerBlockScene.applyHighlighting(this.highlightCriteria)
}
}
addTx (txData) {
const tx = new BitcoinTx(txData, this.vertexArray)
tx.applyHighlighting(this.highlightCriteria)
if (!this.txs[tx.id] && !this.expiredTxs[tx.id]) {
// smooth near-simultaneous arrivals over up to three seconds
const dx = performance.now() - this.lastTxTime
this.lastTxTime = performance.now()
if (dx <= 250) {
this.txDelay = Math.min(3000, this.txDelay + (Math.random() * 250))
} else {
this.txDelay = Math.max(0, this.txDelay - (dx-250))
}
this.txs[tx.id] = tx
tx.onEnterScene()
this.poolScene.insert(this.txs[tx.id], this.txDelay)
}
}
dropTx (txid) {
if (this.txs[txid] && this.poolScene.drop(txid)) {
this.txs[txid].view.update({
display: {
position: {
y: -100, //this.txs[txid].screenPosition.y - 100
},
// color: {
// alpha: 0
// }
},
delay: 0,
duration: 2000
})
setTimeout(() => {
this.destroyTx(txid)
}, 2000)
// this.poolScene.layoutAll()
}
}
simulateBlock () {
const time = Date.now() / 1000
console.log('sim time ', time)
this.addBlock({
version: 'fake',
id: Math.random(),
value: 10000,
prev_block: 'also_fake',
merkle_root: 'merkle',
timestamp: time,
bits: 'none',
txn_count: 20,
fees: 100,
txns: [{ version: 'fake', inflated: false, id: 'coinbase', value: 625000100, fee: 100, vbytes: 500, inputs:[{ prev_txid: '00000000000000000000000000000', prev_vout: 0, script_sig: '03e0170b04efb72c622f466f756e6472792055534120506f6f6c202364726f70676f6c642f0eb5059f0000000000000000',
sequence_no: 0, value: 625000100, script_pub_key: "76a9145e9b23809261178723055968d134a947f47e799f88ac" }], outputs: [{ prev_txid: '00000000000000000000000000000', prev_vout: 0, script_sig: '03e0170b04efb72c622f466f756e6472792055534120506f6f6c202364726f70676f6c642f0eb5059f0000000000000000',
sequence_no: 0, value: 625000100, script_pub_key: "76a9145e9b23809261178723055968d134a947f47e799f88ac" }], time: Date.now()
}, ...Object.keys(this.txs).filter(() => {
return (Math.random() < 0.5)
}).map(key => {
return {
...this.txs[key],
inputs: this.txs[key].inputs.map(input => { return {...input, script_pub_key: null, value: null }}),
}
})]
})
}
addBlock (blockData, realtime=true) {
// discard duplicate blocks
if (!blockData || !blockData.id || this.knownBlocks[blockData.id]) {
return
}
let block
block = new BitcoinBlock(blockData)
latestBlockHeight.set(block.height)
// this.knownBlocks[block.id] = true
if (this.clearBlockTimeout) clearTimeout(this.clearBlockTimeout)
this.expiredTxs = {}
if (!this.explorerBlockScene) this.clearBlock()
if (this.blocksEnabled) {
this.blockScene = new TxBlockScene({ width: this.blockAreaSize, height: this.blockAreaSize, blockId: block.id, controller: this, colorMode: this.colorMode })
let knownCount = 0
let unknownCount = 0
for (let i = 0; i < block.txns.length; i++) {
if (this.poolScene.remove(block.txns[i].id)) {
knownCount++
this.txs[block.txns[i].id].setData(block.txns[i])
this.txs[block.txns[i].id].setBlock(block)
this.blockScene.insert(this.txs[block.txns[i].id], 0, false)
} else {
unknownCount++
const tx = new BitcoinTx({
...block.txns[i],
block: block
}, this.vertexArray)
this.txs[tx.id] = tx
this.txs[tx.id].applyHighlighting(this.highlightCriteria)
this.blockScene.insert(tx, 0, false)
}
this.expiredTxs[block.txns[i].id] = true
}
console.log(`New block with ${knownCount} known transactions and ${unknownCount} unknown transactions`)
this.blockScene.initialLayout(!!this.explorerBlockScene)
setTimeout(() => { this.poolScene.scrollLock = false; this.poolScene.layoutAll() }, 4000)
blockVisible.set(true)
if (!this.explorerBlockScene) {
currentBlock.set(block)
}
} else {
this.poolScene.scrollLock = true
for (let i = 0; i < block.txns.length; i++) {
if (this.txs[block.txns[i].id] && this.txs[block.txns[i].id].view) {
this.txs[block.txns[i].id].view.update({
display: {
color: this.txs[block.txns[i].id].getColor('block', 'age').color
},
duration: 1000,
delay: 0,
jitter: 0,
})
}
this.expiredTxs[block.txns[i].id] = true
}
setTimeout(() => {
for (let i = 0; i < block.txns.length; i++) {
if (this.txs[block.txns[i].id] && this.txs[block.txns[i].id].view) {
this.txs[block.txns[i].id].view.update({
display: {
position: { y: window.innerHeight + 50, r: 10 },
color: { alpha: 0 }
},
duration: 3000,
delay: 0,
jitter: 1000,
})
}
this.expiredTxs[block.txns[i].id] = true
}
}, 1500)
setTimeout(() => {
for (let i = 0; i < block.txns.length; i++) {
this.poolScene.remove(block.txns[i].id)
}
this.poolScene.scrollLock = false
this.poolScene.layoutAll()
}, 5500)
currentBlock.set(block)
}
this.block = block
return block
}
exploreBlock (blockData) {
const block = blockData.isBlock ? blockData : new BitcoinBlock(blockData)
let enterFromRight = false
// clean up previous block
if (this.explorerBlock && this.explorerBlockScene) {
const prevBlock = this.explorerBlock
const prevBlockScene = this.explorerBlockScene
if (prevBlock.height < block.height) {
prevBlockScene.exitLeft()
enterFromRight = true
}
else prevBlockScene.exitRight()
prevBlockScene.expire(2000)
} else if (this.blockScene) {
this.blockScene.exitRight()
}
this.explorerBlock = block
if (this.blocksEnabled) {
this.explorerBlockScene = new TxBlockScene({ width: this.blockAreaSize, height: this.blockAreaSize, blockId: block.id, controller: this, colorMode: this.colorMode })
for (let i = 0; i < block.txns.length; i++) {
const tx = new BitcoinTx({
...block.txns[i],
block: block
}, this.vertexArray)
this.txs[tx.id] = tx
this.txs[tx.id].applyHighlighting(this.highlightCriteria)
this.explorerBlockScene.insert(tx, 0, false)
}
this.explorerBlockScene.prepareAll()
this.explorerBlockScene.layoutAll()
if (enterFromRight) {
blockTransitionDirection.set('right')
this.explorerBlockScene.enterRight()
} else {
blockTransitionDirection.set('left')
this.explorerBlockScene.enterLeft()
}
}
blockVisible.set(true)
currentBlock.set(block)
}
resumeLatest () {
if (this.explorerBlock && this.explorerBlockScene) {
const prevBlock = this.explorerBlock
const prevBlockScene = this.explorerBlockScene
prevBlockScene.exitLeft()
prevBlockScene.expire(2000)
this.explorerBlockScene = null
this.explorerBlock = null
urlPath.set("/")
}
if (this.blockScene && this.block) {
blockTransitionDirection.set('right')
this.blockScene.enterRight()
currentBlock.set(this.block)
}
}
hideBlock () {
if (this.blockScene && !this.explorerBlockScene) {
blockTransitionDirection.set(null)
this.blockScene.hide()
}
}
showBlock () {
if (this.blockScene && !this.explorerBlockScene) {
this.blockScene.show()
}
}
clearBlock () {
if (this.blockScene) {
this.blockScene.exitLeft()
this.blockScene.expire()
}
this.block = null
currentBlock.set(null)
}
destroyTx (id) {
this.getScenes().forEach(scene => {
scene.remove(id)
})
if (this.txs[id]) this.txs[id].destroy()
delete this.txs[id]
}
mouseMove (position) {
if (this.poolScene && !this.selectionLocked) {
let selected = this.poolScene.selectAt(position)
if (!selected && this.blockScene && !this.explorerBlock && !this.blockScene.hidden) selected = this.blockScene.selectAt(position)
if (!selected && this.explorerBlockScene && this.explorerBlock && !this.explorerBlockScene.hidden) selected = this.explorerBlockScene.selectAt(position)
if (selected !== this.selectedTx) {
if (this.selectedTx) this.selectedTx.hoverOff()
if (selected) selected.hoverOn()
}
this.selectedTx = selected
selectedTx.set(this.selectedTx)
}
}
async mouseClick (position) {
if (this.poolScene) {
let selected = this.poolScene.selectAt(position)
if (!selected && this.blockScene && !this.explorerBlock && !this.blockScene.hidden) selected = this.blockScene.selectAt(position)
if (!selected && this.explorerBlockScene && this.explorerBlock && !this.explorerBlockScene.hidden) selected = this.explorerBlockScene.selectAt(position)
let sameTx = true
if (selected !== this.selectedTx) {
sameTx = false
if (this.selectedTx) this.selectedTx.hoverOff()
if (selected) selected.hoverOn()
}
this.selectedTx = selected
selectedTx.set(selected)
if (sameTx && selected) {
if (!selected.is_inflated) {
loading.increment()
await searchTx(selected.id)
loading.decrement()
} else {
const spendResult = await fetchSpends(selected.id)
if (spendResult) selected = addSpends(selected, spendResult)
urlPath.set(`/tx/${selected.id}`)
detailTx.set(selected)
overlay.set('tx')
}
console.log(selected)
}
this.selectionLocked = !!selected && !(this.selectionLocked && sameTx)
}
}
onDetailTxChanged (tx) {
if (!tx) {
if (this.selectedTx) {
this.selectedTx.hoverOff()
this.selectedTx = null
}
selectedTx.set(null)
this.selectionLocked = false
}
selectedTx.set(null)
}
}