Add basic txid highlighting function

client/src/components/SearchTab.svelte

@@ -0,0 +1,33 @@
+<script>
+import SearchIcon from '../assets/icon/cil-search.svg'
+import { highlight } from '../stores.js'
+
+let query
+
+$: {
+  $highlight = [{
+    id: query
+  }]
+}
+</script>
+
+<style type="text/scss">
+  .search {
+    .search-input {
+      color: var(--palette-a);
+      border: solid 3px var(--grey);
+      margin: 0;
+      width: 100%;
+
+      &:active {
+        border-color: var(--palette-good);
+      }
+    }
+  }
+</style>
+
+<div class="search tab-content">
+  <div class="input-wrapper">
+    <input class="search-input" type="text" bind:value={query} placeholder="Enter a txid...">
+  </div>
+</div>

client/src/components/Sidebar.svelte

@@ -15,8 +15,10 @@ import atIcon from '../assets/icon/cil-at.svg'
 import gridIcon from '../assets/icon/grid-icon.svg'
 import peopleIcon from '../assets/icon/cil-people.svg'
 import giftIcon from '../assets/icon/cil-gift.svg'
+import searchIcon from '../assets/icon/cil-search.svg'
 import MempoolLegend from '../components/MempoolLegend.svelte'
 import ContactTab from '../components/ContactTab.svelte'
+import SearchTab from '../components/SearchTab.svelte'
 
 import { sidebarToggle, overlay, currentBlock, blockVisible, haveSupporters } from '../stores.js'
 
@@ -112,6 +114,14 @@ function showBlock () {
       <MempoolLegend />
     </div>
   </SidebarTab>
+  <SidebarTab open={$sidebarToggle === 'search'} on:click={() => {settings('search')}} tooltip="Search & Highlight">
+    <span slot="tab" title="Search & Highlight">
+      <Icon icon={searchIcon} color="var(--bold-a)" />
+    </span>
+    <div slot="content">
+      <SearchTab />
+    </div>
+  </SidebarTab>
   <SidebarTab open={$sidebarToggle === 'settings'} on:click={() => {settings('settings')}} tooltip="Settings">
     <span slot="tab" title="Settings">
       <Icon icon={cogIcon} color="var(--bold-a)" />

client/src/controllers/TxController.js

@@ -5,7 +5,7 @@ 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 { txQueueLength, txCount, mempoolCount, mempoolScreenHeight, blockVisible, currentBlock, selectedTx, blockAreaSize } from '../stores.js'
+import { txQueueLength, txCount, mempoolCount, mempoolScreenHeight, blockVisible, currentBlock, selectedTx, blockAreaSize, highlight } from '../stores.js'
 import config from "../config.js"
 
 export default class TxController {
@@ -31,6 +31,11 @@ export default class TxController {
     this.queueTimeout = null
     this.queueLength = 0
 
+    highlight.subscribe(criteria => {
+      this.highlightCriteria = criteria
+      this.applyHighlighting()
+    })
+
     this.scheduleQueue(1000)
   }
 
@@ -60,8 +65,16 @@ export default class TxController {
     this.redoLayout({ width, height })
   }
 
+  applyHighlighting () {
+    this.poolScene.applyHighlighting(this.highlightCriteria)
+    if (this.blockScene) {
+      this.blockScene.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]) {
       this.pendingTxs.push([tx, performance.now()])
       this.pendingTxs[tx.id] = tx
@@ -169,6 +182,7 @@ export default class TxController {
           block: block.id
         }, this.vertexArray)
         this.txs[tx.id] = tx
+        this.txs[tx.id].applyHighlighting(this.highlightCriteria)
         this.blockScene.insert(tx, false)
       }
       this.expiredTxs[block.txns[i].id] = true

client/src/models/BitcoinTx.js

@@ -1,6 +1,15 @@
 import TxView from './TxView.js'
 import config from '../config.js'
 
+const highlightColor = {
+  h: 0.03,
+  l: 0.35
+}
+const hoverColor = {
+  h: 0.4,
+  l: 0.42
+}
+
 export default class BitcoinTx {
   constructor ({ version, id, value, vbytes, inputs, outputs, time, block }, vertexArray) {
     this.version = version
@@ -19,6 +28,7 @@ export default class BitcoinTx {
     }
 
     this.time = time
+    this.highlight = false
 
     // Highlight transactions to the static donation address
     // if (config.donationHash && this.outputs) {
@@ -70,11 +80,31 @@ export default class BitcoinTx {
     this.state = this.block ? 'block' : 'pool'
   }
 
-  hoverOn () {
-    if (this.view) this.view.setHover(true)
+  hoverOn (color = hoverColor) {
+    if (this.view) this.view.setHover(true, color)
   }
 
   hoverOff () {
     if (this.view) this.view.setHover(false)
   }
+
+  highlightOn (color = highlightColor) {
+    if (this.view) this.view.setHighlight(true, color)
+    this.highlight = true
+  }
+
+  highlightOff () {
+    if (this.view) this.view.setHighlight(false)
+    this.highlight = false
+  }
+
+  applyHighlighting (criteria, color = highlightColor) {
+    this.highlight = false
+    criteria.forEach(criterion => {
+      if (criterion.id === this.id) {
+        this.highlight = true
+      }
+    })
+    this.view.setHighlight(this.highlight, color)
+  }
 }

client/src/models/TxPoolScene.js

@@ -322,4 +322,13 @@ export default class TxPoolScene {
   selectAt (position) {
     return null
   }
+
+  applyHighlighting (criteria) {
+    Object.values(this.txs).forEach(tx => {
+      tx.applyHighlighting(criteria)
+    })
+    Object.values(this.hiddenTxs).forEach(tx => {
+      tx.applyHighlighting(criteria)
+    })
+  }
 }

client/src/models/TxView.js

@@ -1,6 +1,6 @@
 import TxSprite from './TxSprite.js'
 
-const hoverTransitionTime = 300
+const highlightTransitionTime = 300
 
 // converts from this class's update format to TxSprite's update format
 // now, id, value, position, size, color, alpha, duration, adjust
@@ -22,6 +22,9 @@ export default class TxView {
     this.vbytes = vbytes
     this.initialised = false
     this.vertexArray = vertexArray
+
+    this.hover = false
+    this.highlight = false
   }
 
   destroy () {
@@ -35,9 +38,9 @@ export default class TxView {
     display: defines the final appearance of the sprite
         position: { x, y }
         size: in pixels
-        color: (in HCL space)
-            h: hue
-            l: lightness
+        color:
+            i: x coord in color texture
+            j: y coord in color texture
             alpha: alpha transparency
     duration: of the tweening animation from the previous display state
     delay: for queued transitions, how long to wait after current transition
@@ -53,6 +56,22 @@ export default class TxView {
         toSpriteUpdate(display, duration, delay, start),
         this.vertexArray
       )
+      // apply any pending modifications
+      if (this.hover) {
+        this.sprite.update({
+          ...this.highlightColor,
+          duration: highlightTransitionTime,
+          adjust: false,
+          modify: true
+        })
+      } else if (this.highlight) {
+        this.sprite.update({
+          ...this.highlightColor,
+          duration: highlightTransitionTime,
+          adjust: false,
+          modify: true
+        })
+      }
     } else {
       this.sprite.update(
         toSpriteUpdate(display, duration, delay, start, adjust)
@@ -60,19 +79,53 @@ export default class TxView {
     }
   }
 
-  setHover (hoverOn) {
+  setHover (hoverOn, color) {
     if (hoverOn) {
-      if (this.sprite) {
-        this.sprite.update({
-          h: 1.0,
-          l: 0.4,
-          duration: hoverTransitionTime,
-          modify: true
-        })
+      this.hover = true
+      this.hoverColor = color
+      this.sprite.update({
+        ...this.hoverColor,
+        duration: highlightTransitionTime,
+        adjust: false,
+        modify: true
+      })
+    } else {
+      this.hover = false
+      this.hoverColor = null
+      if (this.highlight) {
+        if (this.sprite) {
+          this.sprite.update({
+            ...this.highlightColor,
+            duration: highlightTransitionTime,
+            adjust: false,
+            modify: true
+          })
+        }
+      } else {
+        if (this.sprite) this.sprite.resume(highlightTransitionTime)
+      }
+    }
+  }
+
+  setHighlight (highlightOn, color) {
+    if (highlightOn) {
+      this.highlight = true
+      this.highlightColor = color
+      if (!this.hover) {
+        if (this.sprite) {
+          this.sprite.update({
+            ...this.highlightColor,
+            duration: highlightTransitionTime,
+            adjust: false,
+            modify: true
+          })
+        }
       }
     } else {
-      if (this.sprite) {
-        this.sprite.resume(hoverTransitionTime)
+      this.highlight = false
+      this.highlightColor = null
+      if (!this.hover) {
+        if (this.sprite) this.sprite.resume(highlightTransitionTime)
       }
     }
   }

client/src/stores.js

@@ -119,3 +119,5 @@ export const nativeAntialias = writable(false)
 const newVisitor = !localStorage.getItem('seen-welcome-msg')
 // export const overlay = writable(newVisitor ? 'about' : null)
 export const overlay = writable(null)
+
+export const highlight = writable([])