Fix unnecessary cpfp 404 responses

backend/src/api/bitcoin/bitcoin.routes.ts

@@ -220,18 +220,17 @@ class BitcoinRoutes {
       let cpfpInfo;
       if (config.DATABASE.ENABLED) {
         cpfpInfo = await transactionRepository.$getCpfpInfo(req.params.txId);
+      }
+      if (cpfpInfo) {
+        res.json(cpfpInfo);
+        return;
       } else {
         res.json({
           ancestors: []
         });
         return;
       }
-      if (cpfpInfo) {
-        res.json(cpfpInfo);
-        return;
-      }
     }
-    res.status(404).send(`Transaction has no CPFP info available.`);
   }
 
   private getBackendInfo(req: Request, res: Response) {
@@ -652,7 +651,7 @@ class BitcoinRoutes {
       if (result) {
         res.json(result);
       } else {
-        res.status(404).send('not found');
+        res.status(204).send();
       }
     } catch (e) {
       res.status(500).send(e instanceof Error ? e.message : e);

backend/src/api/mining/mining-routes.ts

@@ -263,7 +263,7 @@ class MiningRoutes {
       const audit = await BlocksAuditsRepository.$getBlockAudit(req.params.hash);
 
       if (!audit) {
-        res.status(404).send(`This block has not been audited.`);
+        res.status(204).send(`This block has not been audited.`);
         return;
       }
 

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

@@ -210,6 +210,7 @@
         <div class="graph-container" #graphContainer>
           <tx-bowtie-graph
             [tx]="tx"
+            [cached]="isCached"
             [width]="graphWidth"
             [height]="graphHeight"
             [lineLimit]="inOutLimit"
@@ -250,7 +251,7 @@
     </div>
 
 
-    <app-transactions-list #txList [transactions]="[tx]" [errorUnblinded]="errorUnblinded" [inputIndex]="inputIndex" [outputIndex]="outputIndex" [transactionPage]="true"></app-transactions-list>
+    <app-transactions-list #txList [transactions]="[tx]" [cached]="isCached" [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

@@ -57,6 +57,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
   fetchCpfp$ = new Subject<string>();
   fetchRbfHistory$ = new Subject<string>();
   fetchCachedTx$ = new Subject<string>();
+  isCached: boolean = false;
   now = new Date().getTime();
   timeAvg$: Observable<number>;
   liquidUnblinding = new LiquidUnblinding();
@@ -196,6 +197,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
       }
 
       this.tx = tx;
+      this.isCached = true;
       if (tx.fee === undefined) {
         this.tx.fee = 0;
       }
@@ -289,6 +291,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
           }
 
           this.tx = tx;
+          this.isCached = false;
           if (tx.fee === undefined) {
             this.tx.fee = 0;
           }

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

@@ -1,7 +1,7 @@
 import { Component, OnInit, Input, ChangeDetectionStrategy, OnChanges, Output, EventEmitter, ChangeDetectorRef } from '@angular/core';
 import { StateService } from '../../services/state.service';
 import { CacheService } from '../../services/cache.service';
-import { Observable, ReplaySubject, BehaviorSubject, merge, Subscription } from 'rxjs';
+import { Observable, ReplaySubject, BehaviorSubject, merge, Subscription, of } from 'rxjs';
 import { Outspend, Transaction, Vin, Vout } from '../../interfaces/electrs.interface';
 import { ElectrsApiService } from '../../services/electrs-api.service';
 import { environment } from '../../../environments/environment';
@@ -23,6 +23,7 @@ export class TransactionsListComponent implements OnInit, OnChanges {
   showMoreIncrement = 1000;
 
   @Input() transactions: Transaction[];
+  @Input() cached: boolean = false;
   @Input() showConfirmations = false;
   @Input() transactionPage = false;
   @Input() errorUnblinded = false;
@@ -67,7 +68,13 @@ export class TransactionsListComponent implements OnInit, OnChanges {
     this.outspendsSubscription = merge(
       this.refreshOutspends$
         .pipe(
-          switchMap((txIds) => this.apiService.getOutspendsBatched$(txIds)),
+          switchMap((txIds) => {
+            if (!this.cached) {
+              return this.apiService.getOutspendsBatched$(txIds);
+            } else {
+              return of([]);
+            }
+          }),
           tap((outspends: Outspend[][]) => {
             if (!this.transactions) {
               return;
@@ -155,7 +162,7 @@ export class TransactionsListComponent implements OnInit, OnChanges {
         ).subscribe();
       });
       const txIds = this.transactions.filter((tx) => !tx._outspends).map((tx) => tx.txid);
-      if (txIds.length) {
+      if (txIds.length && !this.cached) {
         this.refreshOutspends$.next(txIds);
       }
       if (this.stateService.env.LIGHTNING) {

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

@@ -2,7 +2,7 @@ import { Component, OnInit, Input, OnChanges, HostListener, Inject, LOCALE_ID }
 import { StateService } from '../../services/state.service';
 import { Outspend, Transaction } from '../../interfaces/electrs.interface';
 import { Router } from '@angular/router';
-import { ReplaySubject, merge, Subscription } from 'rxjs';
+import { ReplaySubject, merge, Subscription, of } from 'rxjs';
 import { tap, switchMap } from 'rxjs/operators';
 import { ApiService } from '../../services/api.service';
 import { RelativeUrlPipe } from '../../shared/pipes/relative-url/relative-url.pipe';
@@ -40,6 +40,7 @@ interface Xput {
 export class TxBowtieGraphComponent implements OnInit, OnChanges {
   @Input() tx: Transaction;
   @Input() network: string;
+  @Input() cached: boolean = false;
   @Input() width = 1200;
   @Input() height = 600;
   @Input() lineLimit = 250;
@@ -107,7 +108,13 @@ export class TxBowtieGraphComponent implements OnInit, OnChanges {
     this.outspendsSubscription = merge(
       this.refreshOutspends$
         .pipe(
-          switchMap((txid) => this.apiService.getOutspendsBatched$([txid])),
+          switchMap((txid) => {
+            if (!this.cached) {
+              return this.apiService.getOutspendsBatched$([txid]);
+            } else {
+              return of(null);
+            }
+          }),
           tap((outspends: Outspend[][]) => {
             if (!this.tx || !outspends || !outspends.length) {
               return;
@@ -132,7 +139,9 @@ export class TxBowtieGraphComponent implements OnInit, OnChanges {
 
   ngOnChanges(): void {
     this.initGraph();
-    this.refreshOutspends$.next(this.tx.txid);
+    if (!this.cached) {
+      this.refreshOutspends$.next(this.tx.txid);
+    }
   }
 
   initGraph(): void {