Scroll to input/output when clicked in tx diagram

frontend/src/app/components/transaction/transaction.component.html

@@ -208,7 +208,10 @@
             [lineLimit]="inOutLimit"
             [maxStrands]="graphExpanded ? maxInOut : 24"
             [network]="network"
-            [tooltip]="true">
+            [tooltip]="true"
+            (selectInput)="selectInput($event)"
+            (selectOutput)="selectOutput($event)"
+          >
           </tx-bowtie-graph>
         </div>
         <div class="toggle-wrapper" *ngIf="maxInOut > 24">
@@ -240,7 +243,7 @@
     </div>
 
 
-    <app-transactions-list #txList [transactions]="[tx]" [errorUnblinded]="errorUnblinded" [outputIndex]="outputIndex" [transactionPage]="true"></app-transactions-list>
+    <app-transactions-list #txList [transactions]="[tx]" [errorUnblinded]="errorUnblinded" [inputIndex]="inputIndex" [outputIndex]="outputIndex" [transactionPage]="true"></app-transactions-list>
 
     <div class="title text-left">
       <h2 i18n="transaction.details">Details</h2>

frontend/src/app/components/transaction/transaction.component.ts

@@ -47,6 +47,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
   now = new Date().getTime();
   timeAvg$: Observable<number>;
   liquidUnblinding = new LiquidUnblinding();
+  inputIndex: number;
   outputIndex: number;
   showFlow: boolean = true;
   graphExpanded: boolean = false;
@@ -334,6 +335,16 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
     this.graphExpanded = false;
   }
 
+  selectInput(input) {
+    this.inputIndex = input;
+    this.outputIndex = null;
+  }
+
+  selectOutput(output) {
+    this.outputIndex = output;
+    this.inputIndex = null;
+  }
+
   @HostListener('window:resize', ['$event'])
   setGraphSize(): void {
     if (this.graphContainer) {

frontend/src/app/components/transactions-list/transactions-list.component.html

@@ -20,9 +20,9 @@
       <div class="col">
         <table class="table table-borderless smaller-text table-sm table-tx-vin">
           <tbody>
-            <ng-template ngFor let-vin let-vindex="index" [ngForOf]="tx['@vinLimit'] ? ((tx.vin.length > rowLimit) ? tx.vin.slice(0, rowLimit - 2) : tx.vin.slice(0, rowLimit)) : tx.vin" [ngForTrackBy]="trackByIndexFn">
+            <ng-template ngFor let-vin let-vindex="index" [ngForOf]="tx['@vinLimit'] ? ((tx.vin.length > inputRowLimit) ? tx.vin.slice(0, inputRowLimit - 2) : tx.vin.slice(0, inputRowLimit)) : tx.vin" [ngForTrackBy]="trackByIndexFn">
               <tr [ngClass]="{
-                'assetBox': assetsMinimal && vin.prevout && assetsMinimal[vin.prevout.asset] && !vin.is_coinbase && vin.prevout.scriptpubkey_address && tx._unblinded,
+                'assetBox': (assetsMinimal && vin.prevout && assetsMinimal[vin.prevout.asset] && !vin.is_coinbase && vin.prevout.scriptpubkey_address && tx._unblinded) || inputIndex === vindex,
                 'highlight': vin.prevout?.scriptpubkey_address === this.address && this.address !== ''
               }">
                 <td class="arrow-td">
@@ -146,7 +146,7 @@
                 </td>
               </tr>
             </ng-template>
-            <tr *ngIf="tx.vin.length > rowLimit && tx['@vinLimit']">
+            <tr *ngIf="tx.vin.length > inputRowLimit && tx['@vinLimit']">
               <td colspan="3" class="text-center">
                 <button class="btn btn-sm btn-primary mt-2" (click)="loadMoreInputs(tx);"><span i18n="show-all">Show all</span> ({{ tx.vin.length }})</button>
               </td>
@@ -158,7 +158,7 @@
       <div class="col mobile-bottomcol">
         <table class="table table-borderless smaller-text table-sm table-tx-vout">
           <tbody>
-            <ng-template ngFor let-vout let-vindex="index" [ngForOf]="tx['@voutLimit'] && !outputIndex ? ((tx.vout.length > rowLimit) ? tx.vout.slice(0, rowLimit - 2) : tx.vout.slice(0, rowLimit)) : tx.vout" [ngForTrackBy]="trackByIndexFn">
+            <ng-template ngFor let-vout let-vindex="index" [ngForOf]="tx['@voutLimit'] ? ((tx.vout.length > outputRowLimit) ? tx.vout.slice(0, outputRowLimit - 2) : tx.vout.slice(0, outputRowLimit)) : tx.vout" [ngForTrackBy]="trackByIndexFn">
               <tr [ngClass]="{
                 'assetBox': assetsMinimal && assetsMinimal[vout.asset] && vout.scriptpubkey_address && tx.vin && !tx.vin[0].is_coinbase && tx._unblinded || outputIndex === vindex,
                 'highlight': vout.scriptpubkey_address === this.address && this.address !== ''
@@ -257,7 +257,7 @@
                 </td>
               </tr>
             </ng-template>
-            <tr *ngIf="tx.vout.length > rowLimit && tx['@voutLimit'] && !outputIndex">
+            <tr *ngIf="tx.vout.length > outputRowLimit && tx['@voutLimit']">
               <td colspan="3" class="text-center">
                 <button class="btn btn-sm btn-primary mt-2" (click)="tx['@voutLimit'] = false;"><span i18n="show-all">Show all</span> ({{ tx.vout.length }})</button>
               </td>

frontend/src/app/components/transactions-list/transactions-list.component.ts

@@ -24,6 +24,7 @@ export class TransactionsListComponent implements OnInit, OnChanges {
   @Input() transactionPage = false;
   @Input() errorUnblinded = false;
   @Input() paginated = false;
+  @Input() inputIndex: number;
   @Input() outputIndex: number;
   @Input() address: string = '';
   @Input() rowLimit = 12;
@@ -37,6 +38,8 @@ export class TransactionsListComponent implements OnInit, OnChanges {
   showDetails$ = new BehaviorSubject<boolean>(false);
   assetsMinimal: any;
   transactionsLength: number = 0;
+  inputRowLimit: number = 12;
+  outputRowLimit: number = 12;
 
   constructor(
     public stateService: StateService,
@@ -97,50 +100,57 @@ export class TransactionsListComponent implements OnInit, OnChanges {
     ).subscribe(() => this.ref.markForCheck());
   }
 
-  ngOnChanges(): void {
+  ngOnChanges(changes): void {
-    if (!this.transactions || !this.transactions.length) {
+    if (changes.inputIndex || changes.outputIndex || changes.rowLimit) {
-      return;
+      this.inputRowLimit = Math.max(this.rowLimit, (this.inputIndex || 0) + 3);
+      this.outputRowLimit = Math.max(this.rowLimit, (this.outputIndex || 0) + 3);
+      if (this.inputIndex || this.outputIndex) {
+        setTimeout(() => {
+          const assetBoxElements = document.getElementsByClassName('assetBox');
+          if (assetBoxElements && assetBoxElements[0]) {
+            assetBoxElements[0].scrollIntoView({block: "center"});
+          }
+        }, 10);
+      }
     }
-
+    if (changes.transactions || changes.address) {
-    this.transactionsLength = this.transactions.length;
+      if (!this.transactions || !this.transactions.length) {
-    if (this.outputIndex) {
-      setTimeout(() => {
-        const assetBoxElements = document.getElementsByClassName('assetBox');
-        if (assetBoxElements && assetBoxElements[0]) {
-          assetBoxElements[0].scrollIntoView();
-        }
-      }, 10);
-    }
-
-    this.transactions.forEach((tx) => {
-      tx['@voutLimit'] = true;
-      tx['@vinLimit'] = true;
-      if (tx['addressValue'] !== undefined) {
         return;
       }
 
-      if (this.address) {
+      this.transactionsLength = this.transactions.length;
-        const addressIn = tx.vout
-          .filter((v: Vout) => v.scriptpubkey_address === this.address)
-          .map((v: Vout) => v.value || 0)
-          .reduce((a: number, b: number) => a + b, 0);
 
-        const addressOut = tx.vin
-          .filter((v: Vin) => v.prevout && v.prevout.scriptpubkey_address === this.address)
-          .map((v: Vin) => v.prevout.value || 0)
-          .reduce((a: number, b: number) => a + b, 0);
 
-        tx['addressValue'] = addressIn - addressOut;
+      this.transactions.forEach((tx) => {
-      }
+        tx['@voutLimit'] = true;
-    });
+        tx['@vinLimit'] = true;
-    const txIds = this.transactions.filter((tx) => !tx._outspends).map((tx) => tx.txid);
+        if (tx['addressValue'] !== undefined) {
-    if (txIds.length) {
+          return;
-      this.refreshOutspends$.next(txIds);
+        }
-    }
+
-    if (this.stateService.env.LIGHTNING) {
+        if (this.address) {
-      const txIds = this.transactions.filter((tx) => !tx._channels).map((tx) => tx.txid);
+          const addressIn = tx.vout
+            .filter((v: Vout) => v.scriptpubkey_address === this.address)
+            .map((v: Vout) => v.value || 0)
+            .reduce((a: number, b: number) => a + b, 0);
+
+          const addressOut = tx.vin
+            .filter((v: Vin) => v.prevout && v.prevout.scriptpubkey_address === this.address)
+            .map((v: Vin) => v.prevout.value || 0)
+            .reduce((a: number, b: number) => a + b, 0);
+
+          tx['addressValue'] = addressIn - addressOut;
+        }
+      });
+      const txIds = this.transactions.filter((tx) => !tx._outspends).map((tx) => tx.txid);
       if (txIds.length) {
-        this.refreshChannels$.next(txIds);
+        this.refreshOutspends$.next(txIds);
+      }
+      if (this.stateService.env.LIGHTNING) {
+        const txIds = this.transactions.filter((tx) => !tx._channels).map((tx) => tx.txid);
+        if (txIds.length) {
+          this.refreshChannels$.next(txIds);
+        }
       }
     }
   }

frontend/src/app/components/tx-bowtie-graph-tooltip/tx-bowtie-graph-tooltip.component.html

@@ -44,7 +44,7 @@
           <span *ngSwitchCase="'output'" i18n="transaction.output">Output</span>
           <span *ngSwitchCase="'fee'" i18n="transaction.fee">Fee</span>
         </ng-container>
-        <span *ngIf="line.type !== 'fee'"> #{{ line.index }}</span>
+        <span *ngIf="line.type !== 'fee'"> #{{ line.index + 1 }}</span>
       </p>
       <p *ngIf="line.value == null && line.confidential" i18n="shared.confidential">Confidential</p>
       <p *ngIf="line.value != null"><app-amount [satoshis]="line.value"></app-amount></p>

frontend/src/app/components/tx-bowtie-graph/tx-bowtie-graph.component.html

@@ -60,6 +60,7 @@
         attr.marker-start="url(#{{input.class}}-arrow)"
         (pointerover)="onHover($event, 'input', i);"
         (pointerout)="onBlur($event, 'input', i);"
+        (click)="onClick($event, 'input', inputData[i].index);"
       />
     </ng-container>
     <ng-container *ngFor="let output of outputs; let i = index">
@@ -70,6 +71,7 @@
         attr.marker-start="url(#{{output.class}}-arrow)"
         (pointerover)="onHover($event, 'output', i);"
         (pointerout)="onBlur($event, 'output', i);"
+        (click)="onClick($event, 'output', outputData[i].index);"
       />
     </ng-container>
   </svg>

frontend/src/app/components/tx-bowtie-graph/tx-bowtie-graph.component.ts

@@ -1,4 +1,4 @@
-import { Component, OnInit, Input, OnChanges, HostListener } from '@angular/core';
+import { Component, OnInit, Input, Output, EventEmitter, OnChanges, HostListener } from '@angular/core';
 import { Transaction } from '../../interfaces/electrs.interface';
 
 interface SvgLine {
@@ -35,6 +35,9 @@ export class TxBowtieGraphComponent implements OnInit, OnChanges {
   @Input() maxStrands = 24; // number of inputs/outputs to keep fully on-screen.
   @Input() tooltip = false;
 
+  @Output() selectInput = new EventEmitter<number>();
+  @Output() selectOutput = new EventEmitter<number>();
+
   inputData: Xput[];
   outputData: Xput[];
   inputs: SvgLine[];
@@ -76,11 +79,12 @@ export class TxBowtieGraphComponent implements OnInit, OnChanges {
     this.combinedWeight = Math.min(this.maxCombinedWeight, Math.floor((this.width - (2 * this.midWidth)) / 6));
 
     const totalValue = this.calcTotalValue(this.tx);
-    let voutWithFee = this.tx.vout.map(v => {
+    let voutWithFee = this.tx.vout.map((v, i) => {
       return {
         type: v.scriptpubkey_type === 'fee' ? 'fee' : 'output',
         value: v?.value,
         address: v?.scriptpubkey_address || v?.scriptpubkey_type?.toUpperCase(),
+        index: i,
         pegout: v?.pegout?.scriptpubkey_address,
         confidential: (this.isLiquid && v?.value === undefined),
       } as Xput;
@@ -91,11 +95,12 @@ export class TxBowtieGraphComponent implements OnInit, OnChanges {
     }
     const outputCount = voutWithFee.length;
 
-    let truncatedInputs = this.tx.vin.map(v => {
+    let truncatedInputs = this.tx.vin.map((v, i) => {
       return {
         type: 'input',
         value: v?.prevout?.value,
         address: v?.prevout?.scriptpubkey_address || v?.prevout?.scriptpubkey_type?.toUpperCase(),
+        index: i,
         coinbase: v?.is_coinbase,
         pegin: v?.is_pegin,
         confidential: (this.isLiquid && v?.prevout?.value === undefined),
@@ -306,8 +311,7 @@ export class TxBowtieGraphComponent implements OnInit, OnChanges {
       };
     } else {
       this.hoverLine = {
-        ...this.outputData[index],
+        ...this.outputData[index]
-        index
       };
     }
   }
@@ -315,4 +319,12 @@ export class TxBowtieGraphComponent implements OnInit, OnChanges {
   onBlur(event, side, index): void {
     this.hoverLine = null;
   }
+
+  onClick(event, side, index): void {
+    if (side === 'input') {
+      this.selectInput.emit(index);
+    } else {
+      this.selectOutput.emit(index);
+    }
+  }
 }