Merge branch 'master' into mononaut/fee-widget-gradient

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

@@ -130,9 +130,8 @@ class BitcoinRoutes {
 
   private getInitData(req: Request, res: Response) {
     try {
-      const result = websocketHandler.getSerializedInitData();
-      res.set('Content-Type', 'application/json');
-      res.send(result);
+      const result = websocketHandler.getInitData();
+      res.json(result);
     } catch (e) {
       res.status(500).send(e instanceof Error ? e.message : e);
     }

backend/src/api/difficulty-adjustment.ts

@@ -34,12 +34,11 @@ export function calcDifficultyAdjustment(
   const remainingBlocks = EPOCH_BLOCK_LENGTH - blocksInEpoch;
   const nextRetargetHeight = (blockHeight >= 0) ? blockHeight + remainingBlocks : 0;
   const expectedBlocks = diffSeconds / BLOCK_SECONDS_TARGET;
-  const actualTimespan = (blocksInEpoch === 2015 ? latestBlockTimestamp : nowSeconds) - DATime;
 
   let difficultyChange = 0;
   let timeAvgSecs = blocksInEpoch ? diffSeconds / blocksInEpoch : BLOCK_SECONDS_TARGET;
 
-  difficultyChange = (BLOCK_SECONDS_TARGET / (actualTimespan / (blocksInEpoch + 1)) - 1) * 100;
+  difficultyChange = (BLOCK_SECONDS_TARGET / timeAvgSecs - 1) * 100;
   // Max increase is x4 (+300%)
   if (difficultyChange > 300) {
     difficultyChange = 300;

backend/src/api/websocket-handler.ts

@@ -30,9 +30,6 @@ class WebsocketHandler {
   private numConnected = 0;
   private numDisconnected = 0;
 
-  private initData: { [key: string]: string } = {};
-  private serializedInitData: string = '{}';
-
   constructor() { }
 
   setWebsocketServer(wss: WebSocket.Server) {
@@ -41,41 +38,6 @@ class WebsocketHandler {
 
   setExtraInitProperties(property: string, value: any) {
     this.extraInitProperties[property] = value;
-    this.setInitDataFields(this.extraInitProperties);
-  }
-
-  private setInitDataFields(data: { [property: string]: any }): void {
-    for (const property of Object.keys(data)) {
-      if (data[property] != null) {
-        this.initData[property] = JSON.stringify(data[property]);
-      } else {
-        delete this.initData[property];
-      }
-    }
-    this.serializedInitData = '{'
-      + Object.keys(this.initData).map(key => `"${key}": ${this.initData[key]}`).join(', ')
-      + '}';
-  }
-
-  private updateInitData(): void {
-    const _blocks = blocks.getBlocks().slice(-config.MEMPOOL.INITIAL_BLOCKS_AMOUNT);
-    const da = difficultyAdjustment.getDifficultyAdjustment();
-    this.setInitDataFields({
-      'mempoolInfo': memPool.getMempoolInfo(),
-      'vBytesPerSecond': memPool.getVBytesPerSecond(),
-      'blocks': _blocks,
-      'conversions': priceUpdater.getLatestPrices(),
-      'mempool-blocks': mempoolBlocks.getMempoolBlocks(),
-      'transactions': memPool.getLatestTransactions(),
-      'backendInfo': backendInfo.getBackendInfo(),
-      'loadingIndicators': loadingIndicators.getLoadingIndicators(),
-      'da': da?.previousTime ? da : undefined,
-      'fees': feeApi.getRecommendedFee(),
-    });
-  }
-
-  public getSerializedInitData(): string {
-    return this.serializedInitData;
   }
 
   setupConnectionHandling() {
@@ -195,13 +157,11 @@ class WebsocketHandler {
           }
 
           if (parsedMessage.action === 'init') {
-            if (!this.initData['blocks']?.length || !this.initData['da']) {
-              this.updateInitData();
-            }
-            if (!this.initData['blocks']?.length) {
+            const _blocks = blocks.getBlocks().slice(-config.MEMPOOL.INITIAL_BLOCKS_AMOUNT);
+            if (!_blocks) {
               return;
             }
-            client.send(this.serializedInitData);
+            client.send(JSON.stringify(this.getInitData(_blocks)));
           }
 
           if (parsedMessage.action === 'ping') {
@@ -250,14 +210,11 @@ class WebsocketHandler {
       throw new Error('WebSocket.Server is not set');
     }
 
-    this.setInitDataFields({ 'loadingIndicators': indicators });
-
-    const response = JSON.stringify({ loadingIndicators: indicators });
     this.wss.clients.forEach((client) => {
       if (client.readyState !== WebSocket.OPEN) {
         return;
       }
-      client.send(response);
+      client.send(JSON.stringify({ loadingIndicators: indicators }));
     });
   }
 
@@ -266,17 +223,34 @@ class WebsocketHandler {
       throw new Error('WebSocket.Server is not set');
     }
 
-    this.setInitDataFields({ 'conversions': conversionRates });
-
-    const response = JSON.stringify({ conversions: conversionRates });
     this.wss.clients.forEach((client) => {
       if (client.readyState !== WebSocket.OPEN) {
         return;
       }
-      client.send(response);
+      client.send(JSON.stringify({ conversions: conversionRates }));
     });
   }
 
+  getInitData(_blocks?: BlockExtended[]) {
+    if (!_blocks) {
+      _blocks = blocks.getBlocks().slice(-config.MEMPOOL.INITIAL_BLOCKS_AMOUNT);
+    }
+    const da = difficultyAdjustment.getDifficultyAdjustment();
+    return {
+      'mempoolInfo': memPool.getMempoolInfo(),
+      'vBytesPerSecond': memPool.getVBytesPerSecond(),
+      'blocks': _blocks,
+      'conversions': priceUpdater.getLatestPrices(),
+      'mempool-blocks': mempoolBlocks.getMempoolBlocks(),
+      'transactions': memPool.getLatestTransactions(),
+      'backendInfo': backendInfo.getBackendInfo(),
+      'loadingIndicators': loadingIndicators.getLoadingIndicators(),
+      'da': da?.previousTime ? da : undefined,
+      'fees': feeApi.getRecommendedFee(),
+      ...this.extraInitProperties
+    };
+  }
+
   handleNewStatistic(stats: OptimizedStatistic) {
     if (!this.wss) {
       throw new Error('WebSocket.Server is not set');
@@ -284,10 +258,6 @@ class WebsocketHandler {
 
     this.printLogs();
 
-    const response = JSON.stringify({
-      'live-2h-chart': stats
-    });
-
     this.wss.clients.forEach((client) => {
       if (client.readyState !== WebSocket.OPEN) {
         return;
@@ -297,7 +267,9 @@ class WebsocketHandler {
         return;
       }
 
-      client.send(response);
+      client.send(JSON.stringify({
+        'live-2h-chart': stats
+      }));
     });
   }
 
@@ -334,43 +306,6 @@ class WebsocketHandler {
     }
     const recommendedFees = feeApi.getRecommendedFee();
 
-    // update init data
-    this.updateInitData();
-
-    // cache serialized objects to avoid stringify-ing the same thing for every client
-    const responseCache = { ...this.initData };
-    function getCachedResponse(key: string,  data): string {
-      if (!responseCache[key]) {
-        responseCache[key] = JSON.stringify(data);
-      }
-      return responseCache[key];
-    }
-
-    // pre-compute new tracked outspends
-    const outspendCache: { [txid: string]: { [vout: number]: { vin: number, txid: string } } } = {};
-    const trackedTxs = new Set<string>();
-    this.wss.clients.forEach((client) => {
-      if (client['track-tx']) {
-        trackedTxs.add(client['track-tx']);
-      }
-    });
-    if (trackedTxs.size > 0) {
-      for (const tx of newTransactions) {
-        for (let i = 0; i < tx.vin.length; i++) {
-          const vin = tx.vin[i];
-          if (trackedTxs.has(vin.txid)) {
-            if (!outspendCache[vin.txid]) {
-              outspendCache[vin.txid] = { [vin.vout]: { vin: i, txid: tx.txid }};
-            } else {
-              outspendCache[vin.txid][vin.vout] = { vin: i, txid: tx.txid };
-            }
-          }
-        }
-      }
-    }
-
-    const latestTransactions = newTransactions.slice(0, 6).map((tx) => Common.stripTransaction(tx));
-
     this.wss.clients.forEach(async (client) => {
       if (client.readyState !== WebSocket.OPEN) {
         return;
@@ -379,17 +314,17 @@ class WebsocketHandler {
       const response = {};
 
       if (client['want-stats']) {
-        response['mempoolInfo'] = getCachedResponse('mempoolInfo', mempoolInfo);
-        response['vBytesPerSecond'] = getCachedResponse('vBytesPerSecond', vBytesPerSecond);
-        response['transactions'] = getCachedResponse('transactions', latestTransactions);
+        response['mempoolInfo'] = mempoolInfo;
+        response['vBytesPerSecond'] = vBytesPerSecond;
+        response['transactions'] = newTransactions.slice(0, 6).map((tx) => Common.stripTransaction(tx));
         if (da?.previousTime) {
-          response['da'] = getCachedResponse('da', da);
+          response['da'] = da;
         }
-        response['fees'] = getCachedResponse('fees', recommendedFees);
+        response['fees'] = recommendedFees;
       }
 
       if (client['want-mempool-blocks']) {
-        response['mempool-blocks'] = getCachedResponse('mempool-blocks', mBlocks);
+        response['mempool-blocks'] = mBlocks;
       }
 
       if (client['track-mempool-tx']) {
@@ -398,12 +333,12 @@ class WebsocketHandler {
           if (config.MEMPOOL.BACKEND !== 'esplora') {
             try {
               const fullTx = await transactionUtils.$getTransactionExtended(tx.txid, true);
-              response['tx'] = JSON.stringify(fullTx);
+              response['tx'] = fullTx;
             } catch (e) {
               logger.debug('Error finding transaction in mempool: ' + (e instanceof Error ? e.message : e));
             }
           } else {
-            response['tx'] = JSON.stringify(tx);
+            response['tx'] = tx;
           }
           client['track-mempool-tx'] = null;
         }
@@ -443,7 +378,7 @@ class WebsocketHandler {
         }
 
         if (foundTransactions.length) {
-          response['address-transactions'] = JSON.stringify(foundTransactions);
+          response['address-transactions'] = foundTransactions;
         }
       }
 
@@ -472,60 +407,65 @@ class WebsocketHandler {
         });
 
         if (foundTransactions.length) {
-          response['address-transactions'] = JSON.stringify(foundTransactions);
+          response['address-transactions'] = foundTransactions;
         }
       }
 
       if (client['track-tx']) {
         const trackTxid = client['track-tx'];
-        const outspends = outspendCache[trackTxid];
+        const outspends: object = {};
+        newTransactions.forEach((tx) => tx.vin.forEach((vin, i) => {
+          if (vin.txid === trackTxid) {
+            outspends[vin.vout] = {
+              vin: i,
+              txid: tx.txid,
+            };
+          }
+        }));
 
-        if (outspends && Object.keys(outspends).length) {
-          response['utxoSpent'] = JSON.stringify(outspends);
+        if (Object.keys(outspends).length) {
+          response['utxoSpent'] = outspends;
         }
 
         const rbfReplacedBy = rbfCache.getReplacedBy(client['track-tx']);
         if (rbfReplacedBy) {
-          response['rbfTransaction'] = JSON.stringify({
+          response['rbfTransaction'] = {
             txid: rbfReplacedBy,
-          })
+          }
         }
 
         const rbfChange = rbfChanges.map[client['track-tx']];
         if (rbfChange) {
-          response['rbfInfo'] = JSON.stringify(rbfChanges.trees[rbfChange]);
+          response['rbfInfo'] = rbfChanges.trees[rbfChange];
         }
 
         const mempoolTx = newMempool[trackTxid];
         if (mempoolTx && mempoolTx.position) {
-          response['txPosition'] = JSON.stringify({
+          response['txPosition'] = {
             txid: trackTxid,
             position: mempoolTx.position,
-          });
+          };
         }
       }
 
       if (client['track-mempool-block'] >= 0) {
         const index = client['track-mempool-block'];
         if (mBlockDeltas[index]) {
-          response['projected-block-transactions'] = getCachedResponse(`projected-block-transactions-${index}`, {
+          response['projected-block-transactions'] = {
             index: index,
             delta: mBlockDeltas[index],
-          });
+          };
         }
       }
 
       if (client['track-rbf'] === 'all' && rbfReplacements) {
-        response['rbfLatest'] = getCachedResponse('rbfLatest', rbfReplacements);
+        response['rbfLatest'] = rbfReplacements;
       } else if (client['track-rbf'] === 'fullRbf' && fullRbfReplacements) {
-        response['rbfLatest'] = getCachedResponse('fullrbfLatest', fullRbfReplacements);
+        response['rbfLatest'] = fullRbfReplacements;
       }
 
       if (Object.keys(response).length) {
-        const serializedResponse = '{'
-          + Object.keys(response).map(key => `"${key}": ${response[key]}`).join(', ')
-          + '}';
-        client.send(serializedResponse);
+        client.send(JSON.stringify(response));
       }
     });
   }
@@ -616,19 +556,6 @@ class WebsocketHandler {
     const da = difficultyAdjustment.getDifficultyAdjustment();
     const fees = feeApi.getRecommendedFee();
 
-    // update init data
-    this.updateInitData();
-
-    const responseCache = { ...this.initData };
-    function getCachedResponse(key, data): string {
-      if (!responseCache[key]) {
-        responseCache[key] = JSON.stringify(data);
-      }
-      return responseCache[key];
-    }
-
-    const mempoolInfo = memPool.getMempoolInfo();
-
     this.wss.clients.forEach((client) => {
       if (client.readyState !== WebSocket.OPEN) {
         return;
@@ -638,27 +565,28 @@ class WebsocketHandler {
         return;
       }
 
-      const response = {};
-      response['block'] = getCachedResponse('block', block);
-      response['mempoolInfo'] = getCachedResponse('mempoolInfo', mempoolInfo);
-      response['da'] = getCachedResponse('da', da?.previousTime ? da : undefined);
-      response['fees'] = getCachedResponse('fees', fees);
+      const response = {
+        'block': block,
+        'mempoolInfo': memPool.getMempoolInfo(),
+        'da': da?.previousTime ? da : undefined,
+        'fees': fees,
+      };
 
       if (mBlocks && client['want-mempool-blocks']) {
-        response['mempool-blocks'] = getCachedResponse('mempool-blocks', mBlocks);
+        response['mempool-blocks'] = mBlocks;
       }
 
       if (client['track-tx']) {
         const trackTxid = client['track-tx'];
         if (txIds.indexOf(trackTxid) > -1) {
-          response['txConfirmed'] = 'true';
+          response['txConfirmed'] = true;
         } else {
           const mempoolTx = _memPool[trackTxid];
           if (mempoolTx && mempoolTx.position) {
-            response['txPosition'] = JSON.stringify({
+            response['txPosition'] = {
               txid: trackTxid,
               position: mempoolTx.position,
-            });
+            };
           }
         }
       }
@@ -686,7 +614,7 @@ class WebsocketHandler {
             };
           });
 
-          response['block-transactions'] = JSON.stringify(foundTransactions);
+          response['block-transactions'] = foundTransactions;
         }
       }
 
@@ -723,24 +651,21 @@ class WebsocketHandler {
             };
           });
 
-          response['block-transactions'] = JSON.stringify(foundTransactions);
+          response['block-transactions'] = foundTransactions;
         }
       }
 
       if (client['track-mempool-block'] >= 0) {
         const index = client['track-mempool-block'];
         if (mBlockDeltas && mBlockDeltas[index]) {
-          response['projected-block-transactions'] = getCachedResponse(`projected-block-transactions-${index}`, {
+          response['projected-block-transactions'] = {
             index: index,
             delta: mBlockDeltas[index],
-          });
+          };
         }
       }
 
-      const serializedResponse = '{'
-        + Object.keys(response).map(key => `"${key}": ${response[key]}`).join(', ')
-        + '}';
-      client.send(serializedResponse);
+      client.send(JSON.stringify(response));
     });
   }
 

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

@@ -33,7 +33,6 @@
                 repeatCount="indefinite"/>
             </rect>
           </svg>
-          <span *ngIf="lockedIn" class="lock-in-msg" i18n="difficulty-box.adjustment-locked-in">Difficulty adjustment locked in</span>
         </div>
         <div class="difficulty-stats">
           <div class="item">

frontend/src/app/components/difficulty/difficulty.component.scss

@@ -172,18 +172,6 @@
   width: 100%;
   height: 22px;
   margin-bottom: 12px;
-  position: relative;
-
-  .lock-in-msg {
-    position: absolute;
-    left: 0;
-    right: 0;
-    top: 0;
-    font-size: 12px;
-    line-height: 22px;
-    width: 100%;
-    text-align: center;
-  }
 }
 
 .epoch-blocks {

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

@@ -54,7 +54,6 @@ export class DifficultyComponent implements OnInit {
   expectedHeight: number;
   expectedIndex: number;
   difference: number;
-  lockedIn: boolean = false;
   shapes: DiffShape[];
 
   tooltipPosition = { x: 0, y: 0 };
@@ -105,7 +104,6 @@ export class DifficultyComponent implements OnInit {
           this.currentIndex = this.currentHeight - this.epochStart;
           this.expectedIndex = Math.min(this.expectedHeight - this.epochStart, 2016) - 1;
           this.difference = this.currentIndex - this.expectedIndex;
-          this.lockedIn = this.currentIndex === 2015;
 
           this.shapes = [];
           this.shapes = this.shapes.concat(this.blocksToShapes(

frontend/src/app/components/fees-box/fees-box.component.ts

@@ -26,15 +26,23 @@ export class FeesBoxComponent implements OnInit {
     this.recommendedFees$ = this.stateService.recommendedFees$
       .pipe(
         tap((fees) => {
-          let feeLevelIndex = feeLevels.slice().reverse().findIndex((feeLvl) => fees.minimumFee >= feeLvl);
+          let feeLevelIndex = feeLevels.slice().reverse().findIndex((feeLvl) => fees.economyFee >= feeLvl);
           feeLevelIndex = feeLevelIndex >= 0 ? feeLevels.length - feeLevelIndex : feeLevelIndex;
           const startColor = '#' + (mempoolFeeColors[feeLevelIndex - 1] || mempoolFeeColors[mempoolFeeColors.length - 1]);
 
+          feeLevelIndex = feeLevels.slice().reverse().findIndex((feeLvl) => fees.hourFee >= feeLvl);
+          feeLevelIndex = feeLevelIndex >= 0 ? feeLevels.length - feeLevelIndex : feeLevelIndex;
+          const lowColor = '#' + (mempoolFeeColors[feeLevelIndex - 1] || mempoolFeeColors[mempoolFeeColors.length - 1]);
+
+          feeLevelIndex = feeLevels.slice().reverse().findIndex((feeLvl) => fees.halfHourFee >= feeLvl);
+          feeLevelIndex = feeLevelIndex >= 0 ? feeLevels.length - feeLevelIndex : feeLevelIndex;
+          const medColor = '#' + (mempoolFeeColors[feeLevelIndex - 1] || mempoolFeeColors[mempoolFeeColors.length - 1]);
+
           feeLevelIndex = feeLevels.slice().reverse().findIndex((feeLvl) => fees.fastestFee >= feeLvl);
           feeLevelIndex = feeLevelIndex >= 0 ? feeLevels.length - feeLevelIndex : feeLevelIndex;
-          const endColor = '#' + (mempoolFeeColors[feeLevelIndex - 1] || mempoolFeeColors[mempoolFeeColors.length - 1]);
+          const highColor = '#' + (mempoolFeeColors[feeLevelIndex - 1] || mempoolFeeColors[mempoolFeeColors.length - 1]);
 
-          this.gradient = `linear-gradient(to right, ${startColor}, ${endColor})`;
+          this.gradient = `linear-gradient(to right, ${lowColor} 0%, ${medColor} 50%, ${highColor} 100%)`;
           this.noPriority = startColor;
         }
       )

frontend/src/app/shared/components/global-footer/global-footer.component.html

@@ -1,76 +1,22 @@
 <footer *ngIf="networkPaths$ | async as networkPaths">
-    <div class="container-fluid">
-    <div class="row main">
-      <div class="col-sm-4 branding">
-        <h5>The Mempool Open Source Project™</h5>
-        <p>Explore the full Bitcoin ecosystem.</p>
-        <div class="selector">
-          <app-language-selector></app-language-selector>
-        </div>
-        <div class="selector">
-          <app-fiat-selector></app-fiat-selector>
-        </div>
-        <a class="cta btn btn-purple sponsor" [routerLink]="['/signup' | relativeUrl]">Sign In / Sign Up</a>
-        <p class="cta-secondary"><a [routerLink]="['/tx/push' | relativeUrl]" i18n="shared.broadcast-transaction|Broadcast Transaction">Broadcast Transaction</a></p>
-        <p class="cta-secondary"><a [routerLink]="['/lightning/group/the-mempool-open-source-project' | relativeUrl]">Connect to Mempool Nodes</a></p>
-      </div>
-      <div class="col-sm-8 links">
-        <div class="row">
-          <div class="col-sm-4">
-            <p class="category">Explore</p>
-            <p><a [routerLink]="['/mining' | relativeUrl]">Mining Dashboard</a></p>
-            <p><a [routerLink]="['/lightning' | relativeUrl]">Lightning Dashboard</a></p>
-            <p><a [routerLink]="['/blocks' | relativeUrl]">Recent Blocks</a></p>
-            <p><a [routerLink]="['/rbf' | relativeUrl]">Recent RBF Transactions</a></p>
-          </div>
-          <div class="col-sm-4 links">
-            <p class="category">Learn</p>
-            <p><a [routerLink]="['/docs/faq']" fragment="what-is-a-mempool">What is a mempool?</a></p>
-            <p><a [routerLink]="['/docs/faq']" fragment="what-is-a-block-explorer">What is a block explorer?</a></p>
-            <p><a [routerLink]="['/docs/faq']" fragment="what-is-a-mempool-explorer">What is a mempool explorer?</a></p>
-            <p><a [routerLink]="['/docs/faq']" fragment="why-is-transaction-stuck-in-mempool">Why isn't my transaction confirming?</a></p>
-            <p><a [routerLink]="['/docs/faq' | relativeUrl]">More FAQs ›</a></p>
-          </div>
-          <div class="col-sm-4 links">
-            <p class="category">Connect</p>
-            <p><a href="https://github.com/mempool" target="_blank">GitHub</a></p>
-            <p><a href="https://twitter.com/mempool" target="_blank">Twitter</a></p>
-            <p><a href="nostr:npub18d4r6wanxkyrdfjdrjqzj2ukua5cas669ew2g5w7lf4a8te7awzqey6lt3" target="_blank">Nostr</a></p>
-            <p><a href="https://youtube.com/@mempool" target="_blank">YouTube</a></p>
-            <p><a href="https://bitcointv.com/c/mempool/videos" target="_blank">BitcoinTV</a></p>
-            <p><a href="https://mempool.chat" target="_blank">Matrix</a></p>
-          </div>
-        </div>
-        <div class="row">
-          <div class="col-sm-4 links">
-            <p class="category">Resources</p>
-            <p><a [routerLink]="['/docs/faq' | relativeUrl]">FAQs</a></p>
-            <p><a [routerLink]="['/docs/api' | relativeUrl]">API Documentation</a></p>
-            <p><a [routerLink]="['/about' | relativeUrl]">About the Project</a></p>
-          </div>
-          <div class="col-sm-4 links">
-            <p class="category">More Networks</p>
-            <p><a [routerLink]="['/testnet' | relativeUrl]">Testnet Block Explorer</a></p>
-            <p><a [routerLink]="['/signet' | relativeUrl]">Signet Block Explorer</a></p>
-            <p><a href="https://liquid.network">Liquid Block Explorer</a></p>
-            <p><a href="https://bisq.network">Bisq Block Explorer</a></p>
-          </div>
-          <div class="col-sm-4 links">
-            <p class="category">Legal</p>
-            <p><a [routerLink]="['/terms-of-service']" i18n="shared.terms-of-service|Terms of Service">Terms of Service</a></p>
-            <p><a [routerLink]="['/privacy-policy']" i18n="shared.privacy-policy|Privacy Policy">Privacy Policy</a></p>
-            <p><a [routerLink]="['/trademark-policy']">Trademark Policy</a></p>
-          </div>
-        </div>
-      </div>
+  <div class="pref-selectors">
+    <div class="selector">
+      <app-language-selector></app-language-selector>
     </div>
-    <div class="row version">
-      <div class="col-sm-12">
-        <p *ngIf="officialMempoolSpace">{{ (backendInfo$ | async)?.hostname }} (v{{ (backendInfo$ | async )?.version }}) [<a target="_blank" href="https://github.com/mempool/mempool/commit/{{ (backendInfo$ | async )?.gitCommit | slice:0:8 }}">{{ (backendInfo$ | async )?.gitCommit | slice:0:8 }}</a>]</p>
-        
-        <p *ngIf="!officialMempoolSpace">v{{ packetJsonVersion }} [<a target="_blank" href="https://github.com/mempool/mempool/commit/{{ frontendGitCommitHash }}">{{ frontendGitCommitHash }}</a>]</p>
-
-      </div>
+    <div class="selector">
+      <app-fiat-selector></app-fiat-selector>
     </div>
   </div>
-</footer>
+
+  <div class="terms-of-service">
+    <a [routerLink]="['/terms-of-service']" i18n="shared.terms-of-service|Terms of Service">Terms of Service</a>
+    |
+    <a [routerLink]="['/privacy-policy']" i18n="shared.privacy-policy|Privacy Policy">Privacy Policy</a>
+    |
+    <a *ngIf="officialMempoolSpace && networkPaths['mainnet'] === '/lightning' else broadcastTransaction" [routerLink]="['/lightning/group/the-mempool-open-source-project' | relativeUrl]">Connect to our nodes</a>
+    <ng-template #broadcastTransaction>
+      <a [routerLink]="['/tx/push' | relativeUrl]" i18n="shared.broadcast-transaction|Broadcast Transaction">Broadcast Transaction</a>
+    </ng-template>
+  </div>
+  <br>
+</footer>

frontend/src/app/shared/components/global-footer/global-footer.component.scss

@@ -1,70 +1,22 @@
 footer {
-  background-color: #1d1f31;
-  margin-top: 30px;
-}
-
-footer a {
-  color: rgba(255, 255, 255, 0.4);
-}
-
-footer p {
-  margin-bottom: 0.25rem;
-}
-
-footer .row.main {
-  padding: 40px 0;
-}
-
-footer .row.main .branding {
   text-align: center;
 }
 
-footer .row.main .branding .btn {
-  display: inline-block;
-  color: #fff !important;
-}
-
-footer .row.main .branding button.account {
-  background-color: #2d3348;
-}
-
-footer .row.main .branding .cta {
-  margin: 50px auto 45px auto;
-}
-
-footer .row.main .branding .cta-secondary {
-
-}
-
-footer .row.main .links > div:first-child {
-  margin-bottom: 20px;
-}
-
-footer .row.main .links .category {
-  color: #4a68b9;
-  font-weight: 700;
-}
-
-footer .row.main .links .category:not(:first-child) {
+.terms-of-service {
   margin-top: 1rem;
 }
 
-footer .selector {
-  margin: 20px 0;
-}
+.pref-selectors {
+  display: flex;
+  flex-direction: row;
+  flex-wrap: wrap;
+  justify-content: center;
 
-footer .row.version .col-sm-12 {
-  padding: 20px !important;
-  background-color: #11131f;
-}
-
-footer .row.version .col-sm-12 p {
-  margin-bottom: 0;
-  text-align: center;
-  font-size: 12px;
-  color: rgba(255, 255, 255, 0.4);
-}
-
-footer .row.version .col-sm-12 p a {
-  color: #09a3ba;
+  .selector {
+    margin-left: .5em;
+    margin-bottom: .5em;
+    &:first {
+      margin-left: 0;
+    }
+  }
 }

frontend/src/app/shared/components/global-footer/global-footer.component.ts

@@ -2,7 +2,6 @@ import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
 import { Observable } from 'rxjs';
 import { NavigationService } from '../../../services/navigation.service';
 import { Env, StateService } from '../../../services/state.service';
-import { IBackendInfo } from '../../../interfaces/websocket.interface';
 
 @Component({
   selector: 'app-global-footer',
@@ -15,9 +14,6 @@ export class GlobalFooterComponent implements OnInit {
   networkPaths: { [network: string]: string };
   officialMempoolSpace = this.stateService.env.OFFICIAL_MEMPOOL_SPACE;
   networkPaths$: Observable<Record<string, string>>;
-  backendInfo$: Observable<IBackendInfo>;
-  frontendGitCommitHash = this.stateService.env.GIT_COMMIT_HASH;
-  packetJsonVersion = this.stateService.env.PACKAGE_JSON_VERSION;
 
   constructor(
     public stateService: StateService,
@@ -27,7 +23,6 @@ export class GlobalFooterComponent implements OnInit {
   ngOnInit(): void {
     this.env = this.stateService.env;
     this.networkPaths$ = this.navigationService.subnetPaths;
-    this.backendInfo$ = this.stateService.backendInfo$;
   }
 
 }