Merge branch 'master' into nymkappa/mega-branch

backend/.gitignore

@@ -7,6 +7,12 @@ mempool-config.json
 pools.json
 icons.json
 
+# docker
+Dockerfile
+GeoIP
+start.sh
+wait-for-it.sh
+
 # compiled output
 /dist
 /tmp

backend/src/api/bisq/markets-api.ts

@@ -646,7 +646,7 @@ class BisqMarketsApi {
         case 'year':
             return strtotime('midnight first day of january', ts);
         default:
-            throw new Error('Unsupported interval: ' + interval);
+            throw new Error('Unsupported interval');
     }
 }
 

backend/src/api/bitcoin/bitcoin-api.interface.ts

@@ -106,6 +106,7 @@ export namespace IBitcoinApi {
       address?: string;              //  (string) bitcoin address
       addresses?: string[];           //  (string) bitcoin addresses
       pegout_chain?: string;         //  (string) Elements peg-out chain
+      pegout_address?: string;       //  (string) Elements peg-out address
       pegout_addresses?: string[];   //  (string) Elements peg-out addresses
     };
   }

backend/src/api/blocks.ts

@@ -2,7 +2,7 @@ import config from '../config';
 import bitcoinApi, { bitcoinCoreApi } from './bitcoin/bitcoin-api-factory';
 import logger from '../logger';
 import memPool from './mempool';
-import { BlockExtended, BlockExtension, BlockSummary, PoolTag, TransactionExtended, TransactionMinerInfo, CpfpSummary, MempoolTransactionExtended, TransactionClassified } from '../mempool.interfaces';
+import { BlockExtended, BlockExtension, BlockSummary, PoolTag, TransactionExtended, TransactionMinerInfo, CpfpSummary, MempoolTransactionExtended, TransactionClassified, BlockAudit } from '../mempool.interfaces';
 import { Common } from './common';
 import diskCache from './disk-cache';
 import transactionUtils from './transaction-utils';
@@ -451,7 +451,9 @@ class Blocks {
         if (config.MEMPOOL.BACKEND === 'esplora') {
           const txs = (await bitcoinApi.$getTxsForBlock(block.hash)).map(tx => transactionUtils.extendTransaction(tx));
           const cpfpSummary = await this.$indexCPFP(block.hash, block.height, txs);
-          await this.$getStrippedBlockTransactions(block.hash, true, true, cpfpSummary, block.height); // This will index the block summary
+          if (cpfpSummary) {
+            await this.$getStrippedBlockTransactions(block.hash, true, true, cpfpSummary, block.height); // This will index the block summary
+          }
         } else {
           await this.$getStrippedBlockTransactions(block.hash, true, true); // This will index the block summary
         }
@@ -995,11 +997,11 @@ class Blocks {
     return state;
   }
 
-  private updateTimerProgress(state, msg) {
+  private updateTimerProgress(state, msg): void {
     state.progress = msg;
   }
 
-  private clearTimer(state) {
+  private clearTimer(state): void {
     if (state.timer) {
       clearTimeout(state.timer);
     }
@@ -1088,13 +1090,19 @@ class Blocks {
       summary = {
         id: hash,
         transactions: cpfpSummary.transactions.map(tx => {
+          let flags: number = 0;
+          try {
+            flags = tx.flags || Common.getTransactionFlags(tx);
+          } catch (e) {
+            logger.warn('Failed to classify transaction: ' + (e instanceof Error ? e.message : e));
+          }
           return {
             txid: tx.txid,
             fee: tx.fee || 0,
             vsize: tx.vsize,
             value: Math.round(tx.vout.reduce((acc, vout) => acc + (vout.value ? vout.value : 0), 0)),
             rate: tx.effectiveFeePerVsize,
-            flags: tx.flags || Common.getTransactionFlags(tx),
+            flags: flags,
           };
         }),
       };
@@ -1284,7 +1292,7 @@ class Blocks {
     return blocks;
   }
 
-  public async $getBlockAuditSummary(hash: string): Promise<any> {
+  public async $getBlockAuditSummary(hash: string): Promise<BlockAudit | null> {
     if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK)) {
       return BlocksAuditsRepository.$getBlockAudit(hash);
     } else {
@@ -1304,7 +1312,7 @@ class Blocks {
     return this.currentBlockHeight;
   }
 
-  public async $indexCPFP(hash: string, height: number, txs?: TransactionExtended[]): Promise<CpfpSummary> {
+  public async $indexCPFP(hash: string, height: number, txs?: TransactionExtended[]): Promise<CpfpSummary | null> {
     let transactions = txs;
     if (!transactions) {
       if (config.MEMPOOL.BACKEND === 'esplora') {
@@ -1319,14 +1327,19 @@ class Blocks {
       }
     }
 
-    const summary = Common.calculateCpfp(height, transactions as TransactionExtended[]);
+    if (transactions?.length != null) {
+      const summary = Common.calculateCpfp(height, transactions as TransactionExtended[]);
 
-    await this.$saveCpfp(hash, height, summary);
+      await this.$saveCpfp(hash, height, summary);
 
-    const effectiveFeeStats = Common.calcEffectiveFeeStatistics(summary.transactions);
+      const effectiveFeeStats = Common.calcEffectiveFeeStatistics(summary.transactions);
-    await blocksRepository.$saveEffectiveFeeStats(hash, effectiveFeeStats);
+      await blocksRepository.$saveEffectiveFeeStats(hash, effectiveFeeStats);
 
-    return summary;
+      return summary;
+    } else {
+      logger.err(`Cannot index CPFP for block ${height} - missing transaction data`);
+      return null;
+    }
   }
 
   public async $saveCpfp(hash: string, height: number, cpfpSummary: CpfpSummary): Promise<void> {

backend/src/api/common.ts

@@ -6,6 +6,7 @@ import { NodeSocket } from '../repositories/NodesSocketsRepository';
 import { isIP } from 'net';
 import transactionUtils from './transaction-utils';
 import { isPoint } from '../utils/secp256k1';
+import logger from '../logger';
 export class Common {
   static nativeAssetId = config.MEMPOOL.NETWORK === 'liquidtestnet' ?
     '144c654344aa716d6f3abcc1ca90e5641e4e2a7f633bc09fe3baf64585819a49'
@@ -245,7 +246,8 @@ export class Common {
     } else if (tx.version === 2) {
       flags |= TransactionFlags.v2;
     }
-    const reusedAddresses: { [address: string ]: number } = {};
+    const reusedInputAddresses: { [address: string ]: number } = {};
+    const reusedOutputAddresses: { [address: string ]: number } = {};
     const inValues = {};
     const outValues = {};
     let rbf = false;
@@ -261,6 +263,9 @@ export class Common {
         case 'v0_p2wpkh': flags |= TransactionFlags.p2wpkh; break;
         case 'v0_p2wsh': flags |= TransactionFlags.p2wsh; break;
         case 'v1_p2tr': {
+          if (!vin.witness?.length) {
+            throw new Error('Taproot input missing witness data');
+          }
           flags |= TransactionFlags.p2tr;
           // in taproot, if the last witness item begins with 0x50, it's an annex
           const hasAnnex = vin.witness?.[vin.witness.length - 1].startsWith('50');
@@ -286,7 +291,7 @@ export class Common {
       }
 
       if (vin.prevout?.scriptpubkey_address) {
-        reusedAddresses[vin.prevout?.scriptpubkey_address] = (reusedAddresses[vin.prevout?.scriptpubkey_address] || 0) + 1;
+        reusedInputAddresses[vin.prevout?.scriptpubkey_address] = (reusedInputAddresses[vin.prevout?.scriptpubkey_address] || 0) + 1;
       }
       inValues[vin.prevout?.value || Math.random()] = (inValues[vin.prevout?.value || Math.random()] || 0) + 1;
     }
@@ -301,7 +306,7 @@ export class Common {
         case 'p2pk': {
           flags |= TransactionFlags.p2pk;
           // detect fake pubkey (i.e. not a valid DER point on the secp256k1 curve)
-          hasFakePubkey = hasFakePubkey || !isPoint(vout.scriptpubkey.slice(2, -2));
+          hasFakePubkey = hasFakePubkey || !isPoint(vout.scriptpubkey?.slice(2, -2));
         } break;
         case 'multisig': {
           flags |= TransactionFlags.p2ms;
@@ -321,7 +326,7 @@ export class Common {
         case 'op_return': flags |= TransactionFlags.op_return; break;
       }
       if (vout.scriptpubkey_address) {
-        reusedAddresses[vout.scriptpubkey_address] = (reusedAddresses[vout.scriptpubkey_address] || 0) + 1;
+        reusedOutputAddresses[vout.scriptpubkey_address] = (reusedOutputAddresses[vout.scriptpubkey_address] || 0) + 1;
       }
       outValues[vout.value || Math.random()] = (outValues[vout.value || Math.random()] || 0) + 1;
     }
@@ -331,7 +336,7 @@ export class Common {
     
     // fast but bad heuristic to detect possible coinjoins
     // (at least 5 inputs and 5 outputs, less than half of which are unique amounts, with no address reuse)
-    const addressReuse = Object.values(reusedAddresses).reduce((acc, count) => Math.max(acc, count), 0) > 1;
+    const addressReuse = Object.keys(reusedOutputAddresses).reduce((acc, key) => Math.max(acc, (reusedInputAddresses[key] || 0) + (reusedOutputAddresses[key] || 0)), 0) > 1;
     if (!addressReuse && tx.vin.length >= 5 && tx.vout.length >= 5 && (Object.keys(inValues).length + Object.keys(outValues).length) <= (tx.vin.length + tx.vout.length) / 2 ) {
       flags |= TransactionFlags.coinjoin;
     }
@@ -348,7 +353,12 @@ export class Common {
   }
 
   static classifyTransaction(tx: TransactionExtended): TransactionClassified {
-    const flags = Common.getTransactionFlags(tx);
+    let flags = 0;
+    try {
+      flags = Common.getTransactionFlags(tx);
+    } catch (e) {
+      logger.warn('Failed to add classification flags to transaction: ' + (e instanceof Error ? e.message : e));
+    }
     tx.flags = flags;
     return {
       ...Common.stripTransaction(tx),

backend/src/api/database-migration.ts

@@ -7,7 +7,7 @@ import cpfpRepository from '../repositories/CpfpRepository';
 import { RowDataPacket } from 'mysql2';
 
 class DatabaseMigration {
-  private static currentVersion = 67;
+  private static currentVersion = 68;
   private queryTimeout = 3600_000;
   private statisticsAddedIndexed = false;
   private uniqueLogs: string[] = [];
@@ -566,6 +566,20 @@ class DatabaseMigration {
       await this.$executeQuery('ALTER TABLE `blocks_templates` ADD INDEX `version` (`version`)');
       await this.updateToSchemaVersion(67);
     }
+    
+    if (databaseSchemaVersion < 68 && config.MEMPOOL.NETWORK === "liquid") {
+      await this.$executeQuery('TRUNCATE TABLE elements_pegs');
+      await this.$executeQuery('ALTER TABLE elements_pegs ADD PRIMARY KEY (txid, txindex);');
+      await this.$executeQuery(`UPDATE state SET number = 0 WHERE name = 'last_elements_block';`);
+      // Create the federation_addresses table and add the two Liquid Federation change addresses in
+      await this.$executeQuery(this.getCreateFederationAddressesTableQuery(), await this.$checkIfTableExists('federation_addresses'));
+      await this.$executeQuery(`INSERT INTO federation_addresses (bitcoinaddress) VALUES ('bc1qxvay4an52gcghxq5lavact7r6qe9l4laedsazz8fj2ee2cy47tlqff4aj4')`); // Federation change address
+      await this.$executeQuery(`INSERT INTO federation_addresses (bitcoinaddress) VALUES ('3EiAcrzq1cELXScc98KeCswGWZaPGceT1d')`); // Federation change address
+      // Create the federation_txos table that uses the federation_addresses table as a foreign key
+      await this.$executeQuery(this.getCreateFederationTxosTableQuery(), await this.$checkIfTableExists('federation_txos'));
+      await this.$executeQuery(`INSERT INTO state VALUES('last_bitcoin_block_audit', 0, NULL);`);
+      await this.updateToSchemaVersion(68);
+    }
   }
 
   /**
@@ -813,6 +827,32 @@ class DatabaseMigration {
     ) ENGINE=InnoDB DEFAULT CHARSET=utf8;`;
   }
 
+  private getCreateFederationAddressesTableQuery(): string {
+    return `CREATE TABLE IF NOT EXISTS federation_addresses (
+      bitcoinaddress varchar(100) NOT NULL,
+      PRIMARY KEY (bitcoinaddress)
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8;`;
+  }
+
+  private getCreateFederationTxosTableQuery(): string {
+    return `CREATE TABLE IF NOT EXISTS federation_txos (
+      txid varchar(65) NOT NULL,
+      txindex int(11) NOT NULL,
+      bitcoinaddress varchar(100) NOT NULL,
+      amount bigint(20) unsigned NOT NULL,
+      blocknumber int(11) unsigned NOT NULL,
+      blocktime int(11) unsigned NOT NULL,
+      unspent tinyint(1) NOT NULL,
+      lastblockupdate int(11) unsigned NOT NULL,
+      lasttimeupdate int(11) unsigned NOT NULL,
+      pegtxid varchar(65) NOT NULL,
+      pegindex int(11) NOT NULL,
+      pegblocktime int(11) unsigned NOT NULL,
+      PRIMARY KEY (txid, txindex), 
+      FOREIGN KEY (bitcoinaddress) REFERENCES federation_addresses (bitcoinaddress)
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8;`;
+  }
+
   private getCreatePoolsTableQuery(): string {
     return `CREATE TABLE IF NOT EXISTS pools (
       id int(11) NOT NULL AUTO_INCREMENT,

backend/src/api/liquid/elements-parser.ts

@@ -5,8 +5,12 @@ import { Common } from '../common';
 import DB from '../../database';
 import logger from '../../logger';
 
+const federationChangeAddresses = ['bc1qxvay4an52gcghxq5lavact7r6qe9l4laedsazz8fj2ee2cy47tlqff4aj4', '3EiAcrzq1cELXScc98KeCswGWZaPGceT1d'];
+const auditBlockOffsetWithTip = 1; // Wait for 1 block confirmation before processing the block in the audit process to reduce the risk of reorgs
+
 class ElementsParser {
   private isRunning = false;
+  private isUtxosUpdatingRunning = false;
 
   constructor() { }
 
@@ -32,12 +36,6 @@ class ElementsParser {
     }
   }
 
-  public async $getPegDataByMonth(): Promise<any> {
-    const query = `SELECT SUM(amount) AS amount, DATE_FORMAT(FROM_UNIXTIME(datetime), '%Y-%m-01') AS date FROM elements_pegs GROUP BY DATE_FORMAT(FROM_UNIXTIME(datetime), '%Y%m')`;
-    const [rows] = await DB.query(query);
-    return rows;
-  }
-
   protected async $parseBlock(block: IBitcoinApi.Block) {
     for (const tx of block.tx) {
       await this.$parseInputs(tx, block);
@@ -55,29 +53,30 @@ class ElementsParser {
 
   protected async $parsePegIn(input: IBitcoinApi.Vin, vindex: number, txid: string, block: IBitcoinApi.Block) {
     const bitcoinTx: IBitcoinApi.Transaction = await bitcoinSecondClient.getRawTransaction(input.txid, true);
+    const bitcoinBlock: IBitcoinApi.Block = await bitcoinSecondClient.getBlock(bitcoinTx.blockhash);
     const prevout = bitcoinTx.vout[input.vout || 0];
     const outputAddress = prevout.scriptPubKey.address || (prevout.scriptPubKey.addresses && prevout.scriptPubKey.addresses[0]) || '';
     await this.$savePegToDatabase(block.height, block.time, prevout.value * 100000000, txid, vindex,
-      outputAddress, bitcoinTx.txid, prevout.n, 1);
+      outputAddress, bitcoinTx.txid, prevout.n, bitcoinBlock.height, bitcoinBlock.time, 1);
   }
 
   protected async $parseOutputs(tx: IBitcoinApi.Transaction, block: IBitcoinApi.Block) {
     for (const output of tx.vout) {
       if (output.scriptPubKey.pegout_chain) {
         await this.$savePegToDatabase(block.height, block.time, 0 - output.value * 100000000, tx.txid, output.n,
-          (output.scriptPubKey.pegout_addresses && output.scriptPubKey.pegout_addresses[0] || ''), '', 0, 0);
+          (output.scriptPubKey.pegout_address || ''), '', 0, 0, 0, 0);
       }
       if (!output.scriptPubKey.pegout_chain && output.scriptPubKey.type === 'nulldata'
         && output.value && output.value > 0 && output.asset && output.asset === Common.nativeAssetId) {
         await this.$savePegToDatabase(block.height, block.time, 0 - output.value * 100000000, tx.txid, output.n,
-          (output.scriptPubKey.pegout_addresses && output.scriptPubKey.pegout_addresses[0] || ''), '', 0, 1);
+          (output.scriptPubKey.pegout_address || ''), '', 0, 0, 0, 1);
       }
     }
   }
 
   protected async $savePegToDatabase(height: number, blockTime: number, amount: number, txid: string,
-    txindex: number, bitcoinaddress: string, bitcointxid: string, bitcoinindex: number, final_tx: number): Promise<void> {
+    txindex: number, bitcoinaddress: string, bitcointxid: string, bitcoinindex: number, bitcoinblock: number, bitcoinBlockTime: number, final_tx: number): Promise<void> {
-    const query = `INSERT INTO elements_pegs(
+    const query = `INSERT IGNORE INTO elements_pegs(
         block, datetime, amount, txid, txindex, bitcoinaddress, bitcointxid, bitcoinindex, final_tx
       ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`;
 
@@ -85,7 +84,22 @@ class ElementsParser {
       height, blockTime, amount, txid, txindex, bitcoinaddress, bitcointxid, bitcoinindex, final_tx
     ];
     await DB.query(query, params);
-    logger.debug(`Saved L-BTC peg from block height #${height} with TXID ${txid}.`);
+    logger.debug(`Saved L-BTC peg from Liquid block height #${height} with TXID ${txid}.`);
+
+    if (amount > 0) { // Peg-in
+  
+      // Add the address to the federation addresses table
+      await DB.query(`INSERT IGNORE INTO federation_addresses (bitcoinaddress) VALUES (?)`, [bitcoinaddress]);
+
+      // Add the UTXO to the federation txos table
+      const query_utxos = `INSERT IGNORE INTO federation_txos (txid, txindex, bitcoinaddress, amount, blocknumber, blocktime, unspent, lastblockupdate, lasttimeupdate, pegtxid, pegindex, pegblocktime) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`;
+      const params_utxos: (string | number)[] = [bitcointxid, bitcoinindex, bitcoinaddress, amount, bitcoinblock, bitcoinBlockTime, 1, bitcoinblock - 1, 0, txid, txindex, blockTime];
+      await DB.query(query_utxos, params_utxos);
+      const [minBlockUpdate] = await DB.query(`SELECT MIN(lastblockupdate) AS lastblockupdate FROM federation_txos WHERE unspent = 1`)
+      await this.$saveLastBlockAuditToDatabase(minBlockUpdate[0]['lastblockupdate']);
+      logger.debug(`Saved new Federation UTXO ${bitcointxid}:${bitcoinindex} belonging to ${bitcoinaddress} to federation txos`);
+
+    }
   }
 
   protected async $getLatestBlockHeightFromDatabase(): Promise<number> {
@@ -98,6 +112,327 @@ class ElementsParser {
     const query = `UPDATE state SET number = ? WHERE name = 'last_elements_block'`;
     await DB.query(query, [blockHeight]);
   }
+
+  ///////////// FEDERATION AUDIT //////////////
+
+  public async $updateFederationUtxos() {
+    if (this.isUtxosUpdatingRunning) {
+      return;
+    }
+
+    this.isUtxosUpdatingRunning = true;
+
+    try {
+      let auditProgress = await this.$getAuditProgress();
+      // If no peg in transaction was found in the database, return
+      if (!auditProgress.lastBlockAudit) {
+        logger.debug(`No Federation UTXOs found in the database. Waiting for some to be confirmed before starting the Federation UTXOs audit`);
+        this.isUtxosUpdatingRunning = false;
+        return;
+      }
+
+      const bitcoinBlocksToSync = await this.$getBitcoinBlockchainState();
+      // If the bitcoin blockchain is not synced yet, return
+      if (bitcoinBlocksToSync.bitcoinHeaders > bitcoinBlocksToSync.bitcoinBlocks + 1) {
+        logger.debug(`Bitcoin client is not synced yet. ${bitcoinBlocksToSync.bitcoinHeaders - bitcoinBlocksToSync.bitcoinBlocks} blocks remaining to sync before the Federation audit process can start`);
+        this.isUtxosUpdatingRunning = false;
+        return;
+      }
+
+      auditProgress.lastBlockAudit++;
+
+      // Logging
+      let indexedThisRun = 0;
+      let timer = Date.now() / 1000;
+      const startedAt = Date.now() / 1000;
+      const indexingSpeeds: number[] = [];
+
+      while (auditProgress.lastBlockAudit <= auditProgress.confirmedTip) {
+
+        // First, get the current UTXOs that need to be scanned in the block
+        const utxos = await this.$getFederationUtxosToScan(auditProgress.lastBlockAudit);
+
+        // Get the peg-out addresses that need to be scanned
+        const redeemAddresses = await this.$getRedeemAddressesToScan();
+
+        // The fast way: check if these UTXOs are still unspent as of the current block with gettxout
+        let spentAsTip: any[];
+        let unspentAsTip: any[];
+        if (auditProgress.confirmedTip - auditProgress.lastBlockAudit <= 150) { // If the audit status is not too far in the past, we can use gettxout (fast way)
+          const utxosToParse = await this.$getFederationUtxosToParse(utxos);
+          spentAsTip = utxosToParse.spentAsTip;
+          unspentAsTip = utxosToParse.unspentAsTip;
+          logger.debug(`Found ${utxos.length} Federation UTXOs and ${redeemAddresses.length} Peg-Out Addresses to scan in Bitcoin block height #${auditProgress.lastBlockAudit} / #${auditProgress.confirmedTip}`);
+          logger.debug(`${unspentAsTip.length} / ${utxos.length} Federation UTXOs are unspent as of tip`);
+        } else { // If the audit status is too far in the past, it is useless and wasteful to look for still unspent txos since they will all be spent as of the tip
+          spentAsTip = utxos;
+          unspentAsTip = [];
+
+          // Logging
+          const elapsedSeconds = (Date.now() / 1000) - timer;
+          if (elapsedSeconds > 5) {
+            const runningFor = (Date.now() / 1000) - startedAt;
+            const blockPerSeconds = indexedThisRun / elapsedSeconds;
+            indexingSpeeds.push(blockPerSeconds);
+            if (indexingSpeeds.length > 100) indexingSpeeds.shift(); // Keep the length of the up to 100 last indexing speeds
+            const meanIndexingSpeed = indexingSpeeds.reduce((a, b) => a + b, 0) / indexingSpeeds.length;
+            const eta = (auditProgress.confirmedTip - auditProgress.lastBlockAudit) / meanIndexingSpeed;
+            logger.debug(`Scanning ${utxos.length} Federation UTXOs and ${redeemAddresses.length} Peg-Out Addresses at Bitcoin block height #${auditProgress.lastBlockAudit} / #${auditProgress.confirmedTip} | ~${meanIndexingSpeed.toFixed(2)} blocks/sec | elapsed: ${(runningFor / 60).toFixed(0)} minutes | ETA: ${(eta / 60).toFixed(0)} minutes`);
+            timer = Date.now() / 1000;
+            indexedThisRun = 0;
+          }
+        }
+
+        // The slow way: parse the block to look for the spending tx
+        const blockHash: IBitcoinApi.ChainTips = await bitcoinSecondClient.getBlockHash(auditProgress.lastBlockAudit);
+        const block: IBitcoinApi.Block = await bitcoinSecondClient.getBlock(blockHash, 2);
+        await this.$parseBitcoinBlock(block, spentAsTip, unspentAsTip, auditProgress.confirmedTip, redeemAddresses);
+
+        // Finally, update the lastblockupdate of the remaining UTXOs and save to the database
+        const [minBlockUpdate] = await DB.query(`SELECT MIN(lastblockupdate) AS lastblockupdate FROM federation_txos WHERE unspent = 1`)
+        await this.$saveLastBlockAuditToDatabase(minBlockUpdate[0]['lastblockupdate']);
+
+        auditProgress = await this.$getAuditProgress();
+        auditProgress.lastBlockAudit++;
+        indexedThisRun++;
+      }
+
+      this.isUtxosUpdatingRunning = false;
+    } catch (e) {
+      this.isUtxosUpdatingRunning = false;
+      throw new Error(e instanceof Error ? e.message : 'Error');
+    } 
+  }
+
+  // Get the UTXOs that need to be scanned in block height (UTXOs that were last updated in the block height - 1)
+  protected async $getFederationUtxosToScan(height: number) { 
+    const query = `SELECT txid, txindex, bitcoinaddress, amount FROM federation_txos WHERE lastblockupdate = ? AND unspent = 1`;
+    const [rows] = await DB.query(query, [height - 1]);
+    return rows as any[];
+  }
+
+  // Returns the UTXOs that are spent as of tip and need to be scanned
+  protected async $getFederationUtxosToParse(utxos: any[]): Promise<any> {
+    const spentAsTip: any[] = [];
+    const unspentAsTip: any[] = [];
+
+    for (const utxo of utxos) {
+      const result = await bitcoinSecondClient.getTxOut(utxo.txid, utxo.txindex, false);
+      result ? unspentAsTip.push(utxo) : spentAsTip.push(utxo);
+    }
+    
+    return {spentAsTip, unspentAsTip};
+  }
+
+  protected async $parseBitcoinBlock(block: IBitcoinApi.Block, spentAsTip: any[], unspentAsTip: any[], confirmedTip: number, redeemAddressesData: any[] = []) {
+    const redeemAddresses: string[] = redeemAddressesData.map(redeemAddress => redeemAddress.bitcoinaddress);
+    for (const tx of block.tx) {
+      let mightRedeemInThisTx = false; // If a Federation UTXO is spent in this block, we might find a peg-out address in the outputs...
+      // Check if the Federation UTXOs that was spent as of tip are spent in this block
+      for (const input of tx.vin) {
+        const txo = spentAsTip.find(txo => txo.txid === input.txid && txo.txindex === input.vout);
+        if (txo) {
+          mightRedeemInThisTx = true;
+          await DB.query(`UPDATE federation_txos SET unspent = 0, lastblockupdate = ?, lasttimeupdate = ? WHERE txid = ? AND txindex = ?`, [block.height, block.time, txo.txid, txo.txindex]);
+          // Remove the TXO from the utxo array
+          spentAsTip.splice(spentAsTip.indexOf(txo), 1);
+          logger.debug(`Federation UTXO ${txo.txid}:${txo.txindex} (${txo.amount} sats) was spent in block ${block.height}`);
+        }
+      }
+      // Check if an output is sent to a change address of the federation
+      for (const output of tx.vout) {
+        if (output.scriptPubKey.address && federationChangeAddresses.includes(output.scriptPubKey.address)) {
+          // Check that the UTXO was not already added in the DB by previous scans
+          const [rows_check] = await DB.query(`SELECT txid FROM federation_txos WHERE txid = ? AND txindex = ?`, [tx.txid, output.n]) as any[];
+          if (rows_check.length === 0) {
+            const query_utxos = `INSERT INTO federation_txos (txid, txindex, bitcoinaddress, amount, blocknumber, blocktime, unspent, lastblockupdate, lasttimeupdate, pegtxid, pegindex, pegblocktime) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`;
+            const params_utxos: (string | number)[] = [tx.txid, output.n, output.scriptPubKey.address, output.value * 100000000, block.height, block.time, 1, block.height, 0, '', 0, 0];
+            await DB.query(query_utxos, params_utxos);
+            // Add the UTXO to the utxo array
+            spentAsTip.push({
+              txid: tx.txid,
+              txindex: output.n,
+              bitcoinaddress: output.scriptPubKey.address,
+              amount: output.value * 100000000
+            });
+            logger.debug(`Added new Federation UTXO ${tx.txid}:${output.n} (${output.value * 100000000} sats), change address: ${output.scriptPubKey.address}`);
+          }
+        }
+        if (mightRedeemInThisTx && output.scriptPubKey.address && redeemAddresses.includes(output.scriptPubKey.address)) {
+          // Find the number of times output.scriptPubKey.address appears in redeemAddresses. There can be address reuse for peg-outs...
+          const matchingAddress: any[] = redeemAddressesData.filter(redeemAddress => redeemAddress.bitcoinaddress === output.scriptPubKey.address && -redeemAddress.amount === Math.round(output.value * 100000000));
+          if (matchingAddress.length > 0) {
+            if (matchingAddress.length > 1) {
+              // If there are more than one peg out address with the same amount, we can't know which one redeemed the UTXO: we take the oldest one
+              matchingAddress.sort((a, b) => a.datetime - b.datetime);
+              logger.debug(`Found redeem txid ${tx.txid}:${output.n} to peg-out address ${matchingAddress[0].bitcoinaddress}, amount ${matchingAddress[0].amount}, datetime ${matchingAddress[0].datetime}`);
+            } else {
+              logger.debug(`Found redeem txid ${tx.txid}:${output.n} to peg-out address ${matchingAddress[0].bitcoinaddress}, amount ${matchingAddress[0].amount}`);
+            }
+            const query_add_redeem = `UPDATE elements_pegs SET bitcointxid = ?, bitcoinindex = ? WHERE bitcoinaddress = ? AND amount = ? AND datetime = ?`;
+            const params_add_redeem: (string | number)[] = [tx.txid, output.n, matchingAddress[0].bitcoinaddress, matchingAddress[0].amount, matchingAddress[0].datetime];
+            await DB.query(query_add_redeem, params_add_redeem);
+            const index = redeemAddressesData.indexOf(matchingAddress[0]);
+            redeemAddressesData.splice(index, 1);
+            redeemAddresses.splice(index, 1);
+          } else { // The output amount does not match the peg-out amount... log it
+            logger.debug(`Found redeem txid ${tx.txid}:${output.n} to peg-out address ${output.scriptPubKey.address} but output amount ${Math.round(output.value * 100000000)} does not match the peg-out amount!`);
+          }
+        }
+      }
+    }
+
+
+    for (const utxo of spentAsTip) {
+      await DB.query(`UPDATE federation_txos SET lastblockupdate = ? WHERE txid = ? AND txindex = ?`, [block.height, utxo.txid, utxo.txindex]);    
+    }
+
+    for (const utxo of unspentAsTip) {
+      await DB.query(`UPDATE federation_txos SET lastblockupdate = ? WHERE txid = ? AND txindex = ?`, [confirmedTip, utxo.txid, utxo.txindex]);
+    }
+  }
+
+  protected async $saveLastBlockAuditToDatabase(blockHeight: number) {
+    const query = `UPDATE state SET number = ? WHERE name = 'last_bitcoin_block_audit'`;
+    await DB.query(query, [blockHeight]);
+  }
+
+  // Get the bitcoin block where the audit process was last updated
+  protected async $getAuditProgress(): Promise<any> {
+    const lastblockaudit = await this.$getLastBlockAudit();
+    const bitcoinBlocksToSync = await this.$getBitcoinBlockchainState();
+    return {
+      lastBlockAudit: lastblockaudit,
+      confirmedTip: bitcoinBlocksToSync.bitcoinBlocks - auditBlockOffsetWithTip,
+    };
+  }
+
+  // Get the bitcoin blocks remaining to be synced
+  protected async $getBitcoinBlockchainState(): Promise<any> {
+    const result = await bitcoinSecondClient.getBlockchainInfo();
+    return {
+      bitcoinBlocks: result.blocks,
+      bitcoinHeaders: result.headers,
+    }
+  }
+
+  protected async $getLastBlockAudit(): Promise<number> {
+    const query = `SELECT number FROM state WHERE name = 'last_bitcoin_block_audit'`;
+    const [rows] = await DB.query(query);
+    return rows[0]['number'];
+  }
+
+  protected async $getRedeemAddressesToScan(): Promise<any[]> {
+    const query = `SELECT datetime, amount, bitcoinaddress FROM elements_pegs where amount < 0 AND bitcoinaddress != '' AND bitcointxid = '';`;
+    const [rows]: any[] = await DB.query(query);
+    return rows;
+  }
+
+  ///////////// DATA QUERY //////////////
+
+  public async $getAuditStatus(): Promise<any> {
+    const lastBlockAudit = await this.$getLastBlockAudit();
+    const bitcoinBlocksToSync = await this.$getBitcoinBlockchainState();
+    return {
+      bitcoinBlocks: bitcoinBlocksToSync.bitcoinBlocks,
+      bitcoinHeaders: bitcoinBlocksToSync.bitcoinHeaders,
+      lastBlockAudit: lastBlockAudit,
+      isAuditSynced: bitcoinBlocksToSync.bitcoinHeaders - bitcoinBlocksToSync.bitcoinBlocks <= 2 && bitcoinBlocksToSync.bitcoinBlocks - lastBlockAudit <= 3,
+    };
+  }
+
+  public async $getPegDataByMonth(): Promise<any> {
+    const query = `SELECT SUM(amount) AS amount, DATE_FORMAT(FROM_UNIXTIME(datetime), '%Y-%m-01') AS date FROM elements_pegs GROUP BY DATE_FORMAT(FROM_UNIXTIME(datetime), '%Y%m')`;
+    const [rows] = await DB.query(query);
+    return rows;
+  }
+
+  public async $getFederationReservesByMonth(): Promise<any> {
+    const query = `
+    SELECT SUM(amount) AS amount, DATE_FORMAT(FROM_UNIXTIME(blocktime), '%Y-%m-01') AS date FROM federation_txos 
+    WHERE
+        (blocktime > UNIX_TIMESTAMP(LAST_DAY(FROM_UNIXTIME(blocktime) - INTERVAL 1 MONTH) + INTERVAL 1 DAY))
+      AND 
+        ((unspent = 1) OR (unspent = 0 AND lasttimeupdate > UNIX_TIMESTAMP(LAST_DAY(FROM_UNIXTIME(blocktime)) + INTERVAL 1 DAY)))
+    GROUP BY 
+        date;`;          
+    const [rows] = await DB.query(query);
+    return rows;
+  }
+
+  // Get the current L-BTC pegs and the last Liquid block it was updated
+  public async $getCurrentLbtcSupply(): Promise<any> {
+    const [rows] = await DB.query(`SELECT SUM(amount) AS LBTC_supply FROM elements_pegs;`);
+    const lastblockupdate = await this.$getLatestBlockHeightFromDatabase();
+    const hash = await bitcoinClient.getBlockHash(lastblockupdate);
+    return {
+      amount: rows[0]['LBTC_supply'],
+      lastBlockUpdate: lastblockupdate,
+      hash: hash
+    };
+  }
+
+  // Get the current reserves of the federation and the last Bitcoin block it was updated
+  public async $getCurrentFederationReserves(): Promise<any> {
+    const [rows] = await DB.query(`SELECT SUM(amount) AS total_balance FROM federation_txos WHERE unspent = 1;`);
+    const lastblockaudit = await this.$getLastBlockAudit();
+    const hash = await bitcoinSecondClient.getBlockHash(lastblockaudit);
+    return {
+      amount: rows[0]['total_balance'],
+      lastBlockUpdate: lastblockaudit,
+      hash: hash
+    };
+  }
+
+  // Get all of the federation addresses, most balances first
+  public async $getFederationAddresses(): Promise<any> {
+    const query = `SELECT bitcoinaddress, SUM(amount) AS balance FROM federation_txos WHERE unspent = 1 GROUP BY bitcoinaddress ORDER BY balance DESC;`;
+    const [rows] = await DB.query(query);
+    return rows;
+  }
+
+  // Get all of the UTXOs held by the federation, most recent first
+  public async $getFederationUtxos(): Promise<any> {
+    const query = `SELECT txid, txindex, bitcoinaddress, amount, blocknumber, blocktime, pegtxid, pegindex, pegblocktime FROM federation_txos WHERE unspent = 1 ORDER BY blocktime DESC;`;
+    const [rows] = await DB.query(query);
+    return rows;
+  }
+
+  // Get all of the federation addresses one month ago, most balances first
+  public async $getFederationAddressesOneMonthAgo(): Promise<any> {
+    const query = `
+    SELECT COUNT(*) AS addresses_count_one_month FROM (
+      SELECT bitcoinaddress, SUM(amount) AS balance
+      FROM federation_txos 
+      WHERE
+          (blocktime < UNIX_TIMESTAMP(TIMESTAMPADD(DAY, -30, CURRENT_TIMESTAMP())))
+        AND
+          ((unspent = 1) OR (unspent = 0 AND lasttimeupdate > UNIX_TIMESTAMP(TIMESTAMPADD(DAY, -30, CURRENT_TIMESTAMP()))))
+      GROUP BY bitcoinaddress
+    ) AS result;`;
+    const [rows] = await DB.query(query);
+    return rows[0];
+  }
+
+  // Get all of the UTXOs held by the federation one month ago, most recent first
+  public async $getFederationUtxosOneMonthAgo(): Promise<any> {
+    const query = `
+    SELECT COUNT(*) AS utxos_count_one_month FROM federation_txos 
+    WHERE
+        (blocktime < UNIX_TIMESTAMP(TIMESTAMPADD(DAY, -30, CURRENT_TIMESTAMP())))
+      AND
+        ((unspent = 1) OR (unspent = 0 AND lasttimeupdate > UNIX_TIMESTAMP(TIMESTAMPADD(DAY, -30, CURRENT_TIMESTAMP()))))
+    ORDER BY blocktime DESC;`;
+    const [rows] = await DB.query(query);
+    return rows[0];
+  }
+
+  // Get recent pegouts from the federation (3 months old)
+  public async $getRecentPegouts(): Promise<any> {
+    const query = `SELECT txid, txindex, amount, bitcoinaddress, bitcointxid, bitcoinindex, datetime AS blocktime FROM elements_pegs WHERE amount < 0 AND datetime > UNIX_TIMESTAMP(TIMESTAMPADD(DAY, -90, CURRENT_TIMESTAMP())) ORDER BY blocktime;`;
+    const [rows] = await DB.query(query);
+    return rows;
+  }
 }
 
 export default new ElementsParser();

backend/src/api/liquid/liquid.routes.ts

@@ -15,7 +15,16 @@ class LiquidRoutes {
     
     if (config.DATABASE.ENABLED) {
       app
+        .get(config.MEMPOOL.API_URL_PREFIX + 'liquid/pegs', this.$getElementsPegs)
         .get(config.MEMPOOL.API_URL_PREFIX + 'liquid/pegs/month', this.$getElementsPegsByMonth)
+        .get(config.MEMPOOL.API_URL_PREFIX + 'liquid/reserves', this.$getFederationReserves)
+        .get(config.MEMPOOL.API_URL_PREFIX + 'liquid/reserves/month', this.$getFederationReservesByMonth)
+        .get(config.MEMPOOL.API_URL_PREFIX + 'liquid/pegouts', this.$getPegOuts)
+        .get(config.MEMPOOL.API_URL_PREFIX + 'liquid/reserves/addresses', this.$getFederationAddresses)
+        .get(config.MEMPOOL.API_URL_PREFIX + 'liquid/reserves/addresses/previous-month', this.$getFederationAddressesOneMonthAgo)
+        .get(config.MEMPOOL.API_URL_PREFIX + 'liquid/reserves/utxos', this.$getFederationUtxos)
+        .get(config.MEMPOOL.API_URL_PREFIX + 'liquid/reserves/utxos/previous-month', this.$getFederationUtxosOneMonthAgo)
+        .get(config.MEMPOOL.API_URL_PREFIX + 'liquid/reserves/status', this.$getFederationAuditStatus)
         ;
     }
   }
@@ -63,11 +72,123 @@ class LiquidRoutes {
   private async $getElementsPegsByMonth(req: Request, res: Response) {
     try {
       const pegs = await elementsParser.$getPegDataByMonth();
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 60 * 60).toUTCString());
       res.json(pegs);
     } catch (e) {
       res.status(500).send(e instanceof Error ? e.message : e);
     }
   }
+
+  private async $getFederationReservesByMonth(req: Request, res: Response) {
+    try {
+      const reserves = await elementsParser.$getFederationReservesByMonth();
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 60 * 60).toUTCString());
+      res.json(reserves);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async $getElementsPegs(req: Request, res: Response) {
+    try {
+      const currentSupply = await elementsParser.$getCurrentLbtcSupply();
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
+      res.json(currentSupply);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async $getFederationReserves(req: Request, res: Response) {
+    try {
+      const currentReserves = await elementsParser.$getCurrentFederationReserves();
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
+      res.json(currentReserves);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async $getFederationAuditStatus(req: Request, res: Response) {
+    try {
+      const auditStatus = await elementsParser.$getAuditStatus();
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
+      res.json(auditStatus);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async $getFederationAddresses(req: Request, res: Response) {
+    try {
+      const federationAddresses = await elementsParser.$getFederationAddresses();
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
+      res.json(federationAddresses);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async $getFederationAddressesOneMonthAgo(req: Request, res: Response) {
+    try {
+      const federationAddresses = await elementsParser.$getFederationAddressesOneMonthAgo();
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 60 * 60 * 24).toUTCString());
+      res.json(federationAddresses);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async $getFederationUtxos(req: Request, res: Response) {
+    try {
+      const federationUtxos = await elementsParser.$getFederationUtxos();
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
+      res.json(federationUtxos);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async $getFederationUtxosOneMonthAgo(req: Request, res: Response) {
+    try {
+      const federationUtxos = await elementsParser.$getFederationUtxosOneMonthAgo();
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 60 * 60 * 24).toUTCString());
+      res.json(federationUtxos);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async $getPegOuts(req: Request, res: Response) {
+    try {
+      const recentPegOuts = await elementsParser.$getRecentPegouts();
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
+      res.json(recentPegOuts);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
 }
 
 export default new LiquidRoutes();

backend/src/api/mining/mining.ts

@@ -142,7 +142,7 @@ class Mining {
   public async $getPoolStat(slug: string): Promise<object> {
     const pool = await PoolsRepository.$getPool(slug);
     if (!pool) {
-      throw new Error('This mining pool does not exist ' + escape(slug));
+      throw new Error('This mining pool does not exist');
     }
 
     const blockCount: number = await BlocksRepository.$blockCount(pool.id);

backend/src/index.ts

@@ -266,6 +266,7 @@ class Server {
       blocks.setNewBlockCallback(async () => {
         try {
           await elementsParser.$parse();
+          await elementsParser.$updateFederationUtxos();
         } catch (e) {
           logger.warn('Elements parsing error: ' + (e instanceof Error ? e.message : e));
         }

backend/src/repositories/BlocksAuditsRepository.ts

@@ -59,7 +59,7 @@ class BlocksAuditRepositories {
     }
   }
 
-  public async $getBlockAudit(hash: string): Promise<any> {
+  public async $getBlockAudit(hash: string): Promise<BlockAudit | null> {
     try {
       const [rows]: any[] = await DB.query(
         `SELECT blocks_audits.height, blocks_audits.hash as id, UNIX_TIMESTAMP(blocks_audits.time) as timestamp,
@@ -75,8 +75,8 @@ class BlocksAuditRepositories {
         expected_weight as expectedWeight
         FROM blocks_audits
         JOIN blocks_templates ON blocks_templates.id = blocks_audits.hash
-        WHERE blocks_audits.hash = "${hash}"
+        WHERE blocks_audits.hash = ?
-      `);
+      `, [hash]);
       
       if (rows.length) {
         rows[0].missingTxs = JSON.parse(rows[0].missingTxs);
@@ -101,8 +101,8 @@ class BlocksAuditRepositories {
       const [rows]: any[] = await DB.query(
         `SELECT hash, match_rate as matchRate, expected_fees as expectedFees, expected_weight as expectedWeight
         FROM blocks_audits
-        WHERE blocks_audits.hash = "${hash}"
+        WHERE blocks_audits.hash = ?
-      `);
+      `, [hash]);
       return rows[0];
     } catch (e: any) {
       logger.err(`Cannot fetch block audit from db. Reason: ` + (e instanceof Error ? e.message : e));

backend/src/repositories/BlocksRepository.ts

@@ -5,7 +5,7 @@ import logger from '../logger';
 import { Common } from '../api/common';
 import PoolsRepository from './PoolsRepository';
 import HashratesRepository from './HashratesRepository';
-import { escape } from 'mysql2';
+import { RowDataPacket, escape } from 'mysql2';
 import BlocksSummariesRepository from './BlocksSummariesRepository';
 import DifficultyAdjustmentsRepository from './DifficultyAdjustmentsRepository';
 import bitcoinClient from '../api/bitcoin/bitcoin-client';
@@ -478,7 +478,7 @@ class BlocksRepository {
   public async $getBlocksByPool(slug: string, startHeight?: number): Promise<BlockExtended[]> {
     const pool = await PoolsRepository.$getPool(slug);
     if (!pool) {
-      throw new Error('This mining pool does not exist ' + escape(slug));
+      throw new Error('This mining pool does not exist');
     }
 
     const params: any[] = [];
@@ -802,10 +802,10 @@ class BlocksRepository {
   /**
    * Get a list of blocks that have been indexed
    */
-  public async $getIndexedBlocks(): Promise<any[]> {
+  public async $getIndexedBlocks(): Promise<{ height: number, hash: string }[]> {
     try {
-      const [rows]: any = await DB.query(`SELECT height, hash FROM blocks ORDER BY height DESC`);
+      const [rows] = await DB.query(`SELECT height, hash FROM blocks ORDER BY height DESC`) as RowDataPacket[][];
-      return rows;
+      return rows as { height: number, hash: string }[];
     } catch (e) {
       logger.err('Cannot generate block size and weight history. Reason: ' + (e instanceof Error ? e.message : e));
       throw e;
@@ -815,7 +815,7 @@ class BlocksRepository {
   /**
    * Get a list of blocks that have not had CPFP data indexed
    */
-   public async $getCPFPUnindexedBlocks(): Promise<any[]> {
+   public async $getCPFPUnindexedBlocks(): Promise<number[]> {
     try {
       const blockchainInfo = await bitcoinClient.getBlockchainInfo();
       const currentBlockHeight = blockchainInfo.blocks;
@@ -825,13 +825,13 @@ class BlocksRepository {
       }
       const minHeight = Math.max(0, currentBlockHeight - indexingBlockAmount + 1);
 
-      const [rows]: any[] = await DB.query(`
+      const [rows] = await DB.query(`
         SELECT height
         FROM compact_cpfp_clusters
         WHERE height <= ? AND height >= ?
         GROUP BY height
         ORDER BY height DESC;
-      `, [currentBlockHeight, minHeight]);
+      `, [currentBlockHeight, minHeight]) as RowDataPacket[][];
 
       const indexedHeights = {};
       rows.forEach((row) => { indexedHeights[row.height] = true; });

backend/src/repositories/BlocksSummariesRepository.ts

@@ -1,3 +1,4 @@
+import { RowDataPacket } from 'mysql2';
 import DB from '../database';
 import logger from '../logger';
 import { BlockSummary, TransactionClassified } from '../mempool.interfaces';
@@ -69,7 +70,7 @@ class BlocksSummariesRepository {
 
   public async $getIndexedSummariesId(): Promise<string[]> {
     try {
-      const [rows]: any[] = await DB.query(`SELECT id from blocks_summaries`);
+      const [rows] = await DB.query(`SELECT id from blocks_summaries`) as RowDataPacket[][];
       return rows.map(row => row.id);
     } catch (e) {
       logger.err(`Cannot get block summaries id list. Reason: ` + (e instanceof Error ? e.message : e));

backend/src/repositories/HashratesRepository.ts

@@ -139,7 +139,7 @@ class HashratesRepository {
   public async $getPoolWeeklyHashrate(slug: string): Promise<any[]> {
     const pool = await PoolsRepository.$getPool(slug);
     if (!pool) {
-      throw new Error('This mining pool does not exist ' + escape(slug));
+      throw new Error('This mining pool does not exist');
     }
 
     // Find hashrate boundaries

backend/src/utils/secp256k1.ts

@@ -31,6 +31,9 @@ const curveP = BigInt(`0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
  * @returns {boolean} true if the point is on the SECP256K1 curve
  */
 export function isPoint(pointHex: string): boolean {
+  if (!pointHex?.length) {
+    return false;
+  }
   if (
     !(
       // is uncompressed

contributors/jamesblacklock.txt

@@ -0,0 +1,3 @@
+I hereby accept the terms of the Contributor License Agreement in the CONTRIBUTING.md file of the mempool/mempool git repository as of December 20, 2023.
+
+Signed: jamesblacklock

contributors/natsoni.txt

@@ -1,3 +1,3 @@
 I hereby accept the terms of the Contributor License Agreement in the CONTRIBUTING.md file of the mempool/mempool git repository as of November 16, 2023.
 
-Signed: natsee
+Signed: natsoni

docker/backend/start.sh

@@ -55,7 +55,7 @@ __ELECTRUM_TLS_ENABLED__=${ELECTRUM_TLS_ENABLED:=false}
 
 # ESPLORA
 __ESPLORA_REST_API_URL__=${ESPLORA_REST_API_URL:=http://127.0.0.1:3000}
-__ESPLORA_UNIX_SOCKET_PATH__=${ESPLORA_UNIX_SOCKET_PATH:="null"}
+__ESPLORA_UNIX_SOCKET_PATH__=${ESPLORA_UNIX_SOCKET_PATH:=""}
 __ESPLORA_BATCH_QUERY_BASE_SIZE__=${ESPLORA_BATCH_QUERY_BASE_SIZE:=1000}
 __ESPLORA_RETRY_UNIX_SOCKET_AFTER__=${ESPLORA_RETRY_UNIX_SOCKET_AFTER:=30000}
 __ESPLORA_REQUEST_TIMEOUT__=${ESPLORA_REQUEST_TIMEOUT:=5000}

frontend/.gitignore

@@ -6,6 +6,13 @@
 /out-tsc
 server.run.js
 
+# docker
+Dockerfile
+entrypoint.sh
+nginx-mempool.conf
+nginx.conf
+wait-for
+
 # Only exists if Bazel was run
 /bazel-out
 

frontend/src/app/components/acceleration/accelerator-dashboard/accelerator-dashboard.component.ts

@@ -45,28 +45,30 @@ export class AcceleratorDashboardComponent implements OnInit {
     this.pendingAccelerations$ = interval(30000).pipe(
       startWith(true),
       switchMap(() => {
-        return this.serviceApiServices.getAccelerations$();
+        return this.serviceApiServices.getAccelerations$().pipe(
-      }),
+          catchError(() => {
-      catchError((e) => {
+            return of([]);
-        return of([]);
+          }),
+        );
       }),
       share(),
     );
 
     this.accelerations$ = this.stateService.chainTip$.pipe(
       distinctUntilChanged(),
-      switchMap((chainTip) => {
+      switchMap(() => {
-        return this.serviceApiServices.getAccelerationHistory$({ timeframe: '1m' });
+        return this.serviceApiServices.getAccelerationHistory$({ timeframe: '1m' }).pipe(
-      }),
+          catchError(() => {
-      catchError((e) => {
+            return of([]);
-        return of([]);
+          }),
+        );
       }),
       share(),
     );
 
     this.minedAccelerations$ = this.accelerations$.pipe(
       map(accelerations => {
-        return accelerations.filter(acc => ['mined', 'completed', 'failed'].includes(acc.status))
+        return accelerations.filter(acc => ['mined', 'completed', 'failed'].includes(acc.status));
       })
     );
 

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

@@ -19,7 +19,7 @@
   </ng-template>
   <ng-template #default>
     &lrm;{{ addPlus && satoshis >= 0 ? '+' : '' }}{{ satoshis / 100000000 | number : digitsInfo }}
-    <span class="symbol"><ng-template [ngIf]="network === 'liquid'">L-</ng-template>
+    <span class="symbol"><ng-template [ngIf]="network === 'liquid' && !forceBtc">L-</ng-template>
     <ng-template [ngIf]="network === 'liquidtestnet'">tL-</ng-template>
     <ng-template [ngIf]="network === 'testnet'">t</ng-template>
     <ng-template [ngIf]="network === 'signet'">s</ng-template>BTC</span>

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

@@ -23,6 +23,7 @@ export class AmountComponent implements OnInit, OnDestroy {
   @Input() noFiat = false;
   @Input() addPlus = false;
   @Input() blockConversion: Price;
+  @Input() forceBtc: boolean = false;
 
   constructor(
     private stateService: StateService,

frontend/src/app/components/lbtc-pegs-graph/lbtc-pegs-graph.component.ts

@@ -27,7 +27,6 @@ export class LbtcPegsGraphComponent implements OnInit, OnChanges {
   template: ('widget' | 'advanced') = 'widget';
   isLoading = true;
 
-  pegsChartOption: EChartsOption = {};
   pegsChartInitOption = {
     renderer: 'svg'
   };
@@ -41,20 +40,24 @@ export class LbtcPegsGraphComponent implements OnInit, OnChanges {
   }
 
   ngOnChanges() {
-    if (!this.data) {
+    if (!this.data?.liquidPegs) {
       return;
     }
-    this.pegsChartOptions = this.createChartOptions(this.data.series, this.data.labels);
+    if (!this.data.liquidReserves) {
+      this.pegsChartOptions = this.createChartOptions(this.data.liquidPegs.series, this.data.liquidPegs.labels);
+    } else {
+      this.pegsChartOptions = this.createChartOptions(this.data.liquidPegs.series, this.data.liquidPegs.labels, this.data.liquidReserves.series);
+    }
   }
 
   rendered() {
-    if (!this.data) {
+    if (!this.data.liquidPegs) {
       return;
     }
     this.isLoading = false;
   }
 
-  createChartOptions(series: number[], labels: string[]): EChartsOption {
+  createChartOptions(pegSeries: number[], labels: string[], reservesSeries?: number[],): EChartsOption {
     return {
       grid: {
         height: this.height,
@@ -99,17 +102,18 @@ export class LbtcPegsGraphComponent implements OnInit, OnChanges {
           type: 'line',
         },
         formatter: (params: any) => {
-          const colorSpan = (color: string) => `<span class="indicator" style="background-color: #116761;"></span>`;
+          const colorSpan = (color: string) => `<span class="indicator" style="background-color: ${color};"></span>`;
           let itemFormatted = '<div class="title">' + params[0].axisValue + '</div>';
-          params.map((item: any, index: number) => {
+          for (let index = params.length - 1; index >= 0; index--) {
+            const item = params[index];
             if (index < 26) {
               itemFormatted += `<div class="item">
                 <div class="indicator-container">${colorSpan(item.color)}</div>
-                <div class="grow"></div>
+                <div style="margin-right: 5px"></div>
-                <div class="value">${formatNumber(item.value, this.locale, '1.2-2')} <span class="symbol">L-BTC</span></div>
+                <div class="value">${formatNumber(item.value, this.locale, '1.2-2')} <span class="symbol">${item.seriesName}</span></div>
               </div>`;
             }
-          });
+          }
           return `<div class="tx-wrapper-tooltip-chart ${(this.template === 'advanced') ? 'tx-wrapper-tooltip-chart-advanced' : ''}">${itemFormatted}</div>`;
         }
       },
@@ -138,20 +142,34 @@ export class LbtcPegsGraphComponent implements OnInit, OnChanges {
       },
       series: [
         {
-          data: series,
+          data: pegSeries,
+          name: 'L-BTC',
+          color: '#116761',
           type: 'line',
           stack: 'total',
-          smooth: false,
+          smooth: true,
           showSymbol: false,
           areaStyle: {
             opacity: 0.2,
             color: '#116761',
           },
           lineStyle: {
-            width: 3,
+            width: 2,
             color: '#116761',
           },
         },
+        {
+          data: reservesSeries,
+          name: 'BTC',
+          color: '#EA983B',
+          type: 'line',
+          smooth: true,
+          showSymbol: false,
+          lineStyle: {
+            width: 2,
+            color: '#EA983B',
+          },
+        },
       ],
     };
   }

frontend/src/app/components/liquid-master-page/liquid-master-page.component.html

@@ -78,6 +78,9 @@
       <li class="nav-item" routerLinkActive="active" id="btn-assets">
         <a class="nav-link" [routerLink]="['/assets' | relativeUrl]" (click)="collapse()"><fa-icon [icon]="['fas', 'database']" [fixedWidth]="true" i18n-title="master-page.assets" title="Assets"></fa-icon></a>
       </li>
+      <li class="nav-item" routerLinkActive="active" [routerLinkActiveOptions]="{exact: true}" id="btn-audit">
+        <a class="nav-link" [routerLink]="['/audit']" (click)="collapse()"><fa-icon [icon]="['fas', 'scale-balanced']" [fixedWidth]="true" i18n-title="master-page.btc-reserves-audit" title="BTC Reserves Audit"></fa-icon></a>
+      </li>
       <li [hidden]="isMobile" class="nav-item mr-2" routerLinkActive="active" id="btn-docs">
         <a class="nav-link" [routerLink]="['/docs' | relativeUrl]" (click)="collapse()"><fa-icon [icon]="['fas', 'book']" [fixedWidth]="true" i18n-title="master-page.docs" title="Docs"></fa-icon></a>
       </li>

frontend/src/app/components/liquid-reserves-audit/federation-addresses-list/federation-addresses-list.component.html

@@ -0,0 +1,72 @@
+<div [ngClass]="{'widget': widget}">
+
+  <div class="clearfix"></div>
+
+  <div style="min-height: 295px">
+    <table class="table table-borderless">
+      <thead style="vertical-align: middle;">
+        <th class="address text-left" [ngClass]="{'widget': widget}" i18n="shared.address">Address</th>
+        <th class="amount text-right" [ngClass]="{'widget': widget}" i18n="address.balance">Balance</th>
+      </thead>
+      <tbody *ngIf="federationAddresses$ | async as addresses; else skeleton" [style]="isLoading ? 'opacity: 0.75' : ''">
+        <ng-container *ngIf="widget; else regularRows">
+          <tr *ngFor="let address of addresses | slice:0:5">
+            <td class="address text-left widget">
+              <a href="{{ env.MEMPOOL_WEBSITE_URL + '/address/' + address.bitcoinaddress }}" target="_blank" style="color:#b86d12">
+                <app-truncate [text]="address.bitcoinaddress" [lastChars]="6"></app-truncate>
+              </a>
+            </td>
+            <td class="amount text-right widget">
+              <app-amount [satoshis]="+address.balance" [noFiat]="true" [forceBtc]="true"></app-amount>
+            </td>
+          </tr>
+        </ng-container>
+        <ng-template #regularRows>
+          <tr *ngFor="let address of addresses | slice:(page - 1) * pageSize:page * pageSize">
+            <td class="address text-left">
+              <a href="{{ env.MEMPOOL_WEBSITE_URL + '/address/' + address.bitcoinaddress }}" target="_blank" style="color:#b86d12">
+                <app-truncate [text]="address.bitcoinaddress" [lastChars]="6"></app-truncate>
+              </a>
+            </td>
+            <td class="amount text-right">
+              <app-amount [satoshis]="+address.balance" [noFiat]="true" [forceBtc]="true"></app-amount>
+            </td>
+          </tr>
+        </ng-template>
+      </tbody>
+      <ng-template #skeleton>
+        <tbody *ngIf="widget; else regularRowsSkeleton">
+          <tr *ngFor="let item of skeletonLines">
+            <td class="address text-left widget">
+              <span class="skeleton-loader" style="max-width: 400px"></span>
+            </td>
+            <td class="amount text-right widget">
+              <span class="skeleton-loader" style="max-width: 350px"></span>
+            </td>
+          </tr>
+        </tbody>
+        <ng-template #regularRowsSkeleton>
+          <tr *ngFor="let item of skeletonLines">
+            <td class="address text-left">
+              <span class="skeleton-loader" style="max-width: 600px"></span>
+            </td>
+            <td class="amount text-right">
+              <span class="skeleton-loader" style="max-width: 400px"></span>
+            </td>
+          </tr>
+        </ng-template>
+      </ng-template>
+    </table>
+
+    <ngb-pagination *ngIf="!widget && federationAddresses$ | async as addresses" class="pagination-container float-right mt-2" [class]="isLoading ? 'disabled' : ''"
+      [collectionSize]="addresses.length" [rotate]="true" [maxSize]="maxSize" [pageSize]="15" [(page)]="page"
+      (pageChange)="pageChange(page)" [boundaryLinks]="true" [ellipses]="false">
+    </ngb-pagination>
+
+    <ng-template [ngIf]="!widget">
+      <div class="clearfix"></div>
+      <br>
+    </ng-template>
+  </div>
+  
+</div>

frontend/src/app/components/liquid-reserves-audit/federation-addresses-list/federation-addresses-list.component.scss

@@ -0,0 +1,45 @@
+.spinner-border {
+  height: 25px;
+  width: 25px;
+  margin-top: 13px;
+}
+
+tr, td, th {
+  border: 0px;
+  padding-top: 0.65rem !important;
+  padding-bottom: 0.6rem !important;
+  padding-right: 2rem !important;
+  .widget {
+    padding-right: 1rem !important;
+  }
+}
+
+.clear-link {
+  color: white;
+}
+
+.disabled {
+  pointer-events: none;
+  opacity: 0.5;
+}
+
+.progress {
+  background-color: #2d3348;
+}
+
+.address {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  max-width: 160px;
+}
+.address.widget {
+  width: 60%;
+}
+
+.amount {
+  width: 25%;
+}
+.amount.widget {
+  width: 40%;
+}

frontend/src/app/components/liquid-reserves-audit/federation-addresses-list/federation-addresses-list.component.ts

@@ -0,0 +1,109 @@
+import { Component, OnInit, ChangeDetectionStrategy, Input } from '@angular/core';
+import { Observable, Subject, combineLatest, of, timer } from 'rxjs';
+import { delayWhen, filter, map, share, shareReplay, switchMap, takeUntil, tap, throttleTime } from 'rxjs/operators';
+import { ApiService } from '../../../services/api.service';
+import { Env, StateService } from '../../../services/state.service';
+import { AuditStatus, CurrentPegs, FederationAddress } from '../../../interfaces/node-api.interface';
+import { WebsocketService } from '../../../services/websocket.service';
+
+@Component({
+  selector: 'app-federation-addresses-list',
+  templateUrl: './federation-addresses-list.component.html',
+  styleUrls: ['./federation-addresses-list.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class FederationAddressesListComponent implements OnInit {
+  @Input() widget: boolean = false;
+  @Input() federationAddresses$: Observable<FederationAddress[]>;
+
+  env: Env;
+  isLoading = true;
+  page = 1;
+  pageSize = 15;
+  maxSize = window.innerWidth <= 767.98 ? 3 : 5;
+  skeletonLines: number[] = [];
+  auditStatus$: Observable<AuditStatus>;
+  auditUpdated$: Observable<boolean>;
+  lastReservesBlockUpdate: number = 0;
+  currentPeg$: Observable<CurrentPegs>;
+  lastPegBlockUpdate: number = 0;
+  lastPegAmount: string = '';
+  isLoad: boolean = true;
+
+  private destroy$ = new Subject();
+
+  constructor(
+    private apiService: ApiService,
+    public stateService: StateService,
+    private websocketService: WebsocketService
+  ) {
+  }
+
+  ngOnInit(): void {
+    this.isLoading = !this.widget;
+    this.env = this.stateService.env;
+    this.skeletonLines = this.widget === true ? [...Array(5).keys()] : [...Array(15).keys()];
+    if (!this.widget) {
+      this.websocketService.want(['blocks']);
+      this.auditStatus$ = this.stateService.blocks$.pipe(
+        takeUntil(this.destroy$),
+        throttleTime(40000),
+        delayWhen(_ => this.isLoad ? timer(0) : timer(2000)),
+        tap(() => this.isLoad = false),
+        switchMap(() => this.apiService.federationAuditSynced$()),
+        shareReplay(1)
+      );
+
+      this.currentPeg$ = this.auditStatus$.pipe(
+        filter(auditStatus => auditStatus.isAuditSynced === true),
+        switchMap(_ =>
+          this.apiService.liquidPegs$().pipe(
+            filter((currentPegs) => currentPegs.lastBlockUpdate >= this.lastPegBlockUpdate),
+            tap((currentPegs) => {
+              this.lastPegBlockUpdate = currentPegs.lastBlockUpdate;
+            })
+          )
+        ),
+        share()
+      );
+
+      this.auditUpdated$ = combineLatest([
+        this.auditStatus$,
+        this.currentPeg$
+      ]).pipe(
+        filter(([auditStatus, _]) => auditStatus.isAuditSynced === true),
+        map(([auditStatus, currentPeg]) => ({
+          lastBlockAudit: auditStatus.lastBlockAudit,
+          currentPegAmount: currentPeg.amount
+        })),
+        switchMap(({ lastBlockAudit, currentPegAmount }) => {
+          const blockAuditCheck = lastBlockAudit > this.lastReservesBlockUpdate;
+          const amountCheck = currentPegAmount !== this.lastPegAmount;
+          this.lastReservesBlockUpdate = lastBlockAudit;
+          this.lastPegAmount = currentPegAmount;
+          return of(blockAuditCheck || amountCheck);
+        }),
+        share()
+      );
+
+      this.federationAddresses$ = this.auditUpdated$.pipe(
+        filter(auditUpdated => auditUpdated === true),
+        throttleTime(40000),
+        switchMap(_ => this.apiService.federationAddresses$()),
+        tap(_ => this.isLoading = false),
+        share()
+      );
+    }
+
+  }
+
+  ngOnDestroy(): void {
+    this.destroy$.next(1);
+    this.destroy$.complete();
+  }
+
+  pageChange(page: number): void {
+    this.page = page;
+  }
+
+}

frontend/src/app/components/liquid-reserves-audit/federation-addresses-stats/federation-addresses-stats.component.html

@@ -0,0 +1,34 @@
+<div *ngIf="(federationAddresses$ | async) as federationAddresses; else loadingData">
+  
+    <div class="fee-estimation-container">
+      <div class="item">
+        <a class="title-link" [routerLink]="['/audit/wallet/addresses' | relativeUrl]">
+          <h5 class="card-title"><ng-container i18n="liquid.federation-wallet">Liquid Federation Wallet</ng-container>&nbsp;<fa-icon [icon]="['fas', 'external-link-alt']" [fixedWidth]="true" style="font-size: 13px; color: #4a68b9"></fa-icon></h5>
+        </a>
+        <div class="card-text">
+          <div class="fee-text">{{ federationAddresses.length }} <span i18n="shared.addresses">addresses</span></div>
+          <span class="fiat" *ngIf="(federationAddressesOneMonthAgo$ | async) as federationAddressesOneMonthAgo; else loadingSkeleton" i18n-ngbTooltip="liquid.percentage-change-last-month" ngbTooltip="Percentage change past month" placement="bottom">
+            <app-change [current]="federationAddresses.length" [previous]="federationAddressesOneMonthAgo.addresses_count_one_month"></app-change>
+          </span>
+        </div>
+      </div>
+    </div>
+</div>
+
+<ng-template #loadingData>
+  <div class="fee-estimation-container loading-container">
+    <div class="item">
+      <a class="title-link" [routerLink]="['/audit/wallet/addresses' | relativeUrl]">
+        <h5 class="card-title"><ng-container i18n="liquid.federation-wallet">Liquid Federation Wallet</ng-container>&nbsp;<fa-icon [icon]="['fas', 'external-link-alt']" [fixedWidth]="true" style="font-size: 13px; color: #4a68b9"></fa-icon></h5>
+      </a>
+      <div class="card-text">
+        <div class="skeleton-loader"></div>
+        <div class="skeleton-loader"></div>
+      </div>
+    </div>
+  </div>
+</ng-template>
+
+<ng-template #loadingSkeleton>
+  <div class="skeleton-loader skeleton-loader-transactions" style="margin-top: 2px; margin-bottom: 5px;"></div>
+</ng-template>

frontend/src/app/components/liquid-reserves-audit/federation-addresses-stats/federation-addresses-stats.component.scss

@@ -0,0 +1,75 @@
+.fee-estimation-container {
+  display: flex;
+  justify-content: space-between;
+  @media (min-width: 376px) {
+    flex-direction: row;
+  }  
+  .item {
+    max-width: 300px;
+    margin: 0;
+    width: -webkit-fill-available;
+    @media (min-width: 376px) {
+      margin: 0 auto 0px;
+    }
+
+    .card-title {
+      margin: 0;
+      color: #4a68b9;
+      font-size: 10px;
+      font-size: 1rem;
+      white-space: nowrap;
+    }
+
+    .card-text {
+      font-size: 22px;
+      span {
+        font-size: 11px;
+        position: relative;
+        top: -2px;
+      }
+    }
+
+    .card-text span {
+      color: #ffffff66;
+      font-size: 12px;
+      top: 0px;
+    }
+    .fee-text{
+      border-bottom: 1px solid #ffffff1c;
+      width: fit-content;
+      margin: auto;
+      line-height: 1.45;
+      padding: 0px 2px;
+    }
+    .fiat {
+      display: block;
+      font-size: 14px !important;
+    }
+  }
+}
+
+.loading-container{
+  min-height: 76px;
+}
+
+.card-text {
+  .skeleton-loader {
+    width: 100%;
+    display: block;
+    &:first-child {
+      max-width: 90px;
+      margin: 15px auto 3px;
+    }
+    &:last-child {
+      margin: 10px auto 3px;
+      max-width: 55px;
+    }
+  }
+}
+
+.title-link, .title-link:hover, .title-link:focus, .title-link:active {
+  display: block;
+  margin-bottom: 4px;
+  text-decoration: none;
+  color: inherit;
+}

frontend/src/app/components/liquid-reserves-audit/federation-addresses-stats/federation-addresses-stats.component.ts

@@ -0,0 +1,20 @@
+import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
+import { Observable } from 'rxjs';
+import { FederationAddress } from '../../../interfaces/node-api.interface';
+
+@Component({
+  selector: 'app-federation-addresses-stats',
+  templateUrl: './federation-addresses-stats.component.html',
+  styleUrls: ['./federation-addresses-stats.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class FederationAddressesStatsComponent implements OnInit {
+  @Input() federationAddresses$: Observable<FederationAddress[]>;
+  @Input() federationAddressesOneMonthAgo$: Observable<any>;
+
+  constructor() { }
+
+  ngOnInit(): void {
+  }
+
+}

frontend/src/app/components/liquid-reserves-audit/federation-utxos-list/federation-utxos-list.component.html

@@ -0,0 +1,109 @@
+<div [ngClass]="{'widget': widget}">
+
+  <div class="clearfix"></div>
+  
+  <div style="min-height: 295px">
+    <table class="table table-borderless">
+      <thead style="vertical-align: middle;">
+        <th class="txid text-left" [ngClass]="{'widget': widget}" i18n="transaction.output">Output</th>
+        <th class="address text-left" *ngIf="!widget" i18n="shared.address">Address</th>
+        <th class="amount text-right" [ngClass]="{'widget': widget}" i18n="shared.amount">Amount</th>
+        <th class="pegin text-left" *ngIf="!widget" i18n="liquid.related-peg-in">Related Peg-In</th>
+        <th class="timestamp text-left" i18n="shared.date" [ngClass]="{'widget': widget}">Date</th>
+      </thead>
+      <tbody *ngIf="federationUtxos$ | async as utxos; else skeleton" [style]="isLoading ? 'opacity: 0.75' : ''">
+        <ng-container *ngIf="widget; else regularRows">
+          <tr *ngFor="let utxo of utxos | slice:0:6">
+            <td class="txid text-left widget">
+              <a href="{{ env.MEMPOOL_WEBSITE_URL + '/tx/' + utxo.txid + ':' + utxo.txindex }}" target="_blank" style="color:#b86d12">
+                <app-truncate [text]="utxo.txid + ':' + utxo.txindex" [lastChars]="6"></app-truncate>
+              </a>
+            </td>
+            <td class="amount text-right widget">
+              <app-amount [satoshis]="utxo.amount" [noFiat]="true" [forceBtc]="true"></app-amount>
+            </td>
+            <td class="timestamp text-left widget">
+              <app-time kind="since" [time]="utxo.blocktime"></app-time>
+            </td>
+          </tr>
+        </ng-container>
+        <ng-template #regularRows>
+          <tr *ngFor="let utxo of utxos | slice:(page - 1) * pageSize:page * pageSize">
+            <td class="txid text-left">
+              <a href="{{ env.MEMPOOL_WEBSITE_URL + '/tx/' + utxo.txid + ':' + utxo.txindex }}" target="_blank" style="color:#b86d12">
+                <app-truncate [text]="utxo.txid + ':' + utxo.txindex" [lastChars]="6"></app-truncate>
+              </a>
+            </td>
+            <td class="address text-left">
+              <a href="{{ env.MEMPOOL_WEBSITE_URL + '/address/' + utxo.bitcoinaddress }}" target="_blank" style="color:#b86d12">
+                <app-truncate [text]="utxo.bitcoinaddress" [lastChars]="6"></app-truncate>
+              </a>
+            </td>
+            <td class="amount text-right">
+              <app-amount [satoshis]="utxo.amount" [noFiat]="true" [forceBtc]="true"></app-amount>
+            </td>
+            <td class="pegin text-left">
+              <ng-container *ngIf="utxo.pegtxid; else noPeginMessage">
+                <a [routerLink]="['/tx' | relativeUrl, utxo.pegtxid]" [fragment]="'vin=' + utxo.pegindex">
+                  <app-truncate [text]="utxo.pegtxid + ':' + utxo.pegindex" [lastChars]="6"></app-truncate>
+                </a>
+              </ng-container>
+              <ng-template #noPeginMessage>
+                <i><span class="text-muted" i18n="liquid.change-output">Change output</span></i>
+              </ng-template>
+            </td>
+            <td class="timestamp text-left">
+              &lrm;{{ utxo.blocktime * 1000 | date:'yyyy-MM-dd HH:mm' }}
+              <div class="symbol lg-inline relative-time"><i>(<app-time kind="since" [time]="utxo.blocktime"></app-time>)</i></div>
+            </td>
+          </tr>
+        </ng-template>
+      </tbody>
+      <ng-template #skeleton>
+        <tbody *ngIf="widget; else regularRowsSkeleton">
+          <tr *ngFor="let item of skeletonLines">
+            <td class="txid text-left widget">
+              <span class="skeleton-loader" style="max-width: 400px"></span>
+            </td>
+            <td class="amount text-right widget">
+              <span class="skeleton-loader" style="max-width: 300px"></span>
+            </td>
+            <td class="timestamp text-left widget">
+              <span class="skeleton-loader" style="max-width: 300px"></span>
+            </td>
+          </tr>
+        </tbody>
+        <ng-template #regularRowsSkeleton>
+          <tr *ngFor="let item of skeletonLines">
+            <td class="txid text-left">
+              <span class="skeleton-loader" style="max-width: 300px"></span>
+            </td>
+            <td class="address text-left">
+              <span class="skeleton-loader" style="max-width: 300px"></span>
+            </td>
+            <td class="amount text-right">
+              <span class="skeleton-loader" style="max-width: 140px"></span>
+            </td>
+            <td class="pegin text-left">
+              <span class="skeleton-loader" style="max-width: 300px"></span>
+            </td>
+            <td class="timestamp text-left">
+              <span class="skeleton-loader" style="max-width: 140px"></span>
+            </td>
+          </tr>
+        </ng-template>
+      </ng-template>
+    </table>
+
+    <ngb-pagination *ngIf="!widget && federationUtxos$ | async as utxos" class="pagination-container float-right mt-2" [class]="isLoading ? 'disabled' : ''"
+      [collectionSize]="utxos.length" [rotate]="true" [maxSize]="maxSize" [pageSize]="15" [(page)]="page"
+      (pageChange)="pageChange(page)" [boundaryLinks]="true" [ellipses]="false">
+    </ngb-pagination>
+
+    <ng-template [ngIf]="!widget">
+      <div class="clearfix"></div>
+      <br>
+    </ng-template>
+  </div>
+  
+</div>

frontend/src/app/components/liquid-reserves-audit/federation-utxos-list/federation-utxos-list.component.scss

@@ -0,0 +1,94 @@
+.spinner-border {
+  height: 25px;
+  width: 25px;
+  margin-top: 13px;
+}
+
+tr, td, th {
+  border: 0px;
+  padding-top: 0.65rem !important;
+  padding-bottom: 0.6rem !important;
+  padding-right: 2rem !important;
+  .widget {
+    padding-right: 1rem !important;
+  }
+}
+
+.clear-link {
+  color: white;
+}
+
+.disabled {
+  pointer-events: none;
+  opacity: 0.5;
+}
+
+.progress {
+  background-color: #2d3348;
+}
+
+.txid {
+  width: 25%;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  max-width: 160px;
+}
+.txid.widget {
+  width: 40%;
+  
+}
+
+.address {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  max-width: 160px;
+  @media (max-width: 527px) {
+    display: none;
+  }
+}
+
+.amount {
+  width: 12%;
+}
+.amount.widget {
+  width: 30%;
+}
+
+.pegin {
+  width: 25%;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  max-width: 160px;
+  @media (max-width: 872px) {
+    display: none;
+  }
+}
+
+.timestamp {
+  width: 18%;
+  @media (max-width: 800px) {
+    display: none;
+  }
+  @media (max-width: 1000px) {
+    .relative-time {
+      display: none;
+    }
+  }
+}
+.timestamp.widget {
+  width: 100%;
+  @media (min-width: 768px) AND (max-width: 1050px) {
+    display: none;
+  }
+  @media (max-width: 767px) {
+    display: block;
+  }
+
+  @media (max-width: 500px) {
+    display: none;
+  }
+}
+

frontend/src/app/components/liquid-reserves-audit/federation-utxos-list/federation-utxos-list.component.ts

@@ -0,0 +1,109 @@
+import { Component, OnInit, ChangeDetectionStrategy, Input } from '@angular/core';
+import { Observable, Subject, combineLatest, of, timer } from 'rxjs';
+import { delayWhen, filter, map, share, shareReplay, switchMap, takeUntil, tap, throttleTime } from 'rxjs/operators';
+import { ApiService } from '../../../services/api.service';
+import { Env, StateService } from '../../../services/state.service';
+import { AuditStatus, CurrentPegs, FederationUtxo } from '../../../interfaces/node-api.interface';
+import { WebsocketService } from '../../../services/websocket.service';
+
+@Component({
+  selector: 'app-federation-utxos-list',
+  templateUrl: './federation-utxos-list.component.html',
+  styleUrls: ['./federation-utxos-list.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class FederationUtxosListComponent implements OnInit {
+  @Input() widget: boolean = false;
+  @Input() federationUtxos$: Observable<FederationUtxo[]>;
+
+  env: Env;
+  isLoading = true;
+  page = 1;
+  pageSize = 15;
+  maxSize = window.innerWidth <= 767.98 ? 3 : 5;
+  skeletonLines: number[] = [];
+  auditStatus$: Observable<AuditStatus>;
+  auditUpdated$: Observable<boolean>;
+  lastReservesBlockUpdate: number = 0;
+  currentPeg$: Observable<CurrentPegs>;
+  lastPegBlockUpdate: number = 0;
+  lastPegAmount: string = '';
+  isLoad: boolean = true;
+
+  private destroy$ = new Subject();
+  
+  constructor(
+    private apiService: ApiService,
+    public stateService: StateService,
+    private websocketService: WebsocketService,
+  ) {
+  }
+
+  ngOnInit(): void {
+    this.isLoading = !this.widget;
+    this.env = this.stateService.env;
+    this.skeletonLines = this.widget === true ? [...Array(6).keys()] : [...Array(15).keys()];
+
+    if (!this.widget) {
+      this.websocketService.want(['blocks']);
+      this.auditStatus$ = this.stateService.blocks$.pipe(
+        takeUntil(this.destroy$),
+        throttleTime(40000),
+        delayWhen(_ => this.isLoad ? timer(0) : timer(2000)),
+        tap(() => this.isLoad = false),
+        switchMap(() => this.apiService.federationAuditSynced$()),
+        shareReplay(1)
+      );
+
+      this.currentPeg$ = this.auditStatus$.pipe(
+        filter(auditStatus => auditStatus.isAuditSynced === true),
+        switchMap(_ =>
+          this.apiService.liquidPegs$().pipe(
+            filter((currentPegs) => currentPegs.lastBlockUpdate >= this.lastPegBlockUpdate),
+            tap((currentPegs) => {
+              this.lastPegBlockUpdate = currentPegs.lastBlockUpdate;
+            })
+          )
+        ),
+        share()
+      );
+
+      this.auditUpdated$ = combineLatest([
+        this.auditStatus$,
+        this.currentPeg$
+      ]).pipe(
+        filter(([auditStatus, _]) => auditStatus.isAuditSynced === true),
+        map(([auditStatus, currentPeg]) => ({
+          lastBlockAudit: auditStatus.lastBlockAudit,
+          currentPegAmount: currentPeg.amount
+        })),
+        switchMap(({ lastBlockAudit, currentPegAmount }) => {
+          const blockAuditCheck = lastBlockAudit > this.lastReservesBlockUpdate;
+          const amountCheck = currentPegAmount !== this.lastPegAmount;
+          this.lastReservesBlockUpdate = lastBlockAudit;
+          this.lastPegAmount = currentPegAmount;
+          return of(blockAuditCheck || amountCheck);
+        }),
+        share()
+      );
+
+      this.federationUtxos$ = this.auditUpdated$.pipe(
+        filter(auditUpdated => auditUpdated === true),
+        throttleTime(40000),
+        switchMap(_ => this.apiService.federationUtxos$()),
+        tap(_ => this.isLoading = false),
+        share()
+      );
+    }
+  }
+
+  ngOnDestroy(): void {
+    this.destroy$.next(1);
+    this.destroy$.complete();
+  }
+
+  pageChange(page: number): void {
+    this.page = page;
+  }
+
+}

frontend/src/app/components/liquid-reserves-audit/federation-wallet/federation-wallet.component.html

@@ -0,0 +1,24 @@
+<div class="container-xl">
+  <div>
+    <h1 i18n="liquid.federation-wallet">Liquid Federation Wallet</h1>
+  </div>
+
+  <div class="nav-container">
+    <ul class="nav nav-pills">
+      <li class="nav-item">
+        <a class="nav-link" [routerLink]="['/audit/wallet/utxos' | relativeUrl]" routerLinkActive="active">UTXOs</a>
+        
+      </li>
+      <li class="nav-item">
+        <a class="nav-link" [routerLink]="['/audit/wallet/addresses' | relativeUrl]" routerLinkActive="active"><ng-container i18n="mining.addresses">Addresses</ng-container></a>
+      </li>
+    </ul>
+  </div>
+
+  <div class="clearfix"></div>
+
+  <router-outlet></router-outlet>
+
+</div>
+
+<br>

frontend/src/app/components/liquid-reserves-audit/federation-wallet/federation-wallet.component.scss

@@ -0,0 +1,13 @@
+ul {
+  margin-bottom: 20px;
+}
+
+@media (max-width: 767.98px) {
+  .nav-container {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    margin: auto;
+  }
+}

frontend/src/app/components/liquid-reserves-audit/federation-wallet/federation-wallet.component.ts

@@ -0,0 +1,20 @@
+import { Component, OnInit } from '@angular/core';
+import { SeoService } from '../../../services/seo.service';
+
+@Component({
+  selector: 'app-federation-wallet',
+  templateUrl: './federation-wallet.component.html',
+  styleUrls: ['./federation-wallet.component.scss']
+})
+export class FederationWalletComponent implements OnInit {
+
+  constructor(
+    private seoService: SeoService
+  ) {
+    this.seoService.setTitle($localize`:@@993e5bc509c26db81d93018e24a6afe6e50cae52:Liquid Federation Wallet`);
+  }
+
+  ngOnInit(): void {
+  }
+
+}

frontend/src/app/components/liquid-reserves-audit/recent-pegs-list/recent-pegs-list.component.html

@@ -0,0 +1,139 @@
+<div class="container-xl">
+  <div [ngClass]="{'widget': widget}">
+
+    <div *ngIf="!widget">
+      <h1 i18n="liquid.recent-pegs">Recent Peg-In / Out's</h1>
+    </div>
+
+    <div class="clearfix"></div>
+    
+    <div style="min-height: 295px">
+      <table class="table table-borderless">
+        <thead style="vertical-align: middle;">
+          <th class="transaction text-left" [ngClass]="{'widget': widget}" i18n="shared.transaction">Transaction</th>
+          <th class="timestamp text-left" i18n="shared.date" [ngClass]="{'widget': widget}">Date</th>
+          <th class="amount text-right" [ngClass]="{'widget': widget}" i18n="shared.amount">Amount</th>
+          <th class="output text-left" *ngIf="!widget" i18n="liquid.fund-redemption-tx">Fund / Redemption Tx</th>
+          <th class="address text-left" *ngIf="!widget" i18n="liquid.bitcoin-address">BTC Address</th>
+        </thead>
+        <tbody *ngIf="recentPegs$ | async as pegs; else skeleton" [style]="isLoading ? 'opacity: 0.75' : ''">
+          <ng-container *ngIf="widget; else regularRows">
+            <tr *ngFor="let peg of pegs | slice:0:6">
+              <td class="transaction text-left widget">
+                <ng-container *ngIf="peg.amount > 0">
+                  <a [routerLink]="['/tx' | relativeUrl, peg.txid]" [fragment]="'vin=' + peg.txindex">
+                    <app-truncate [text]="peg.txid"></app-truncate>
+                  </a>
+                </ng-container>
+                <ng-container *ngIf="peg.amount < 0">
+                  <a [routerLink]="['/tx' | relativeUrl, peg.txid]" [fragment]="'vout=' + peg.txindex">
+                    <app-truncate [text]="peg.txid"></app-truncate>
+                  </a>
+                </ng-container>
+              </td>
+              <td class="timestamp text-left widget">
+                <app-time kind="since" [time]="peg.blocktime"></app-time>
+              </td>
+              <td class="amount text-right widget" [ngClass]="{'credit': peg.amount > 0, 'debit': peg.amount < 0}">
+                <app-amount [satoshis]="peg.amount" [noFiat]="true" [forceBtc]="true" [addPlus]="true"></app-amount>
+              </td>
+            </tr>
+          </ng-container>
+          <ng-template #regularRows>
+            <tr *ngFor="let peg of pegs | slice:(page - 1) * pageSize:page * pageSize">
+              <td class="transaction text-left">
+                <ng-container *ngIf="peg.amount > 0">
+                  <a [routerLink]="['/tx' | relativeUrl, peg.txid]" [fragment]="'vin=' + peg.txindex">
+                    <app-truncate [text]="peg.txid" [lastChars]="6"></app-truncate>
+                  </a>
+                </ng-container>
+                <ng-container *ngIf="peg.amount < 0">
+                  <a [routerLink]="['/tx' | relativeUrl, peg.txid]" [fragment]="'vout=' + peg.txindex">
+                    <app-truncate [text]="peg.txid" [lastChars]="6"></app-truncate>
+                  </a>
+                </ng-container>
+              </td>
+              <td class="timestamp text-left">
+                &lrm;{{ peg.blocktime * 1000 | date:'yyyy-MM-dd HH:mm' }}
+                <div class="symbol lg-inline relative-time"><i>(<app-time kind="since" [time]="peg.blocktime"></app-time>)</i></div>
+              </td>
+              <td class="amount text-right" [ngClass]="{'credit': peg.amount > 0, 'debit': peg.amount < 0}">
+                <app-amount [satoshis]="peg.amount" [noFiat]="true" [forceBtc]="true" [addPlus]="true"></app-amount>
+              </td>
+              <td class="output text-left">
+                <ng-container *ngIf="peg.bitcointxid; else redeemInProgress">
+                  <a href="{{ env.MEMPOOL_WEBSITE_URL + '/tx/' + peg.bitcointxid + ':' + peg.bitcoinindex }}" target="_blank" style="color:#b86d12">
+                    <app-truncate [text]="peg.bitcointxid + ':' + peg.bitcoinindex" [lastChars]="6"></app-truncate>
+                  </a>
+                </ng-container>
+                <ng-template #redeemInProgress>
+                  <ng-container *ngIf="peg.bitcoinaddress; else noRedeem">
+                    <i><span class="text-muted" i18n="liquid.redemption-in-progress">Peg out in progress...</span></i>
+                  </ng-container>
+                </ng-template>
+              </td>
+              <td class="address text-left">
+                <ng-container *ngIf="peg.bitcoinaddress; else noRedeem">
+                  <a href="{{ env.MEMPOOL_WEBSITE_URL + '/address/' + peg.bitcoinaddress }}" target="_blank" style="color:#b86d12">
+                    <app-truncate [text]="peg.bitcoinaddress" [lastChars]="6"></app-truncate>
+                  </a>
+                </ng-container>
+              </td>
+            </tr>
+          </ng-template>
+        </tbody>
+        <ng-template #skeleton>
+          <tbody *ngIf="widget; else regularRowsSkeleton">
+            <tr *ngFor="let item of skeletonLines">
+              <td class="transaction text-left widget">
+                <span class="skeleton-loader" style="max-width: 400px"></span>
+              </td>
+              <td class="timestamp text-left widget">
+                <span class="skeleton-loader" style="max-width: 300px"></span>
+              </td>
+              <td class="amount text-right widget">
+                <span class="skeleton-loader" style="max-width: 300px"></span>
+              </td>
+            </tr>
+          </tbody>
+          <ng-template #regularRowsSkeleton>
+            <tr *ngFor="let item of skeletonLines">
+              <td class="transaction text-left">
+                <span class="skeleton-loader" style="max-width: 300px"></span>
+              </td>
+              <td class="timestamp text-left">
+                <span class="skeleton-loader" style="max-width: 140px"></span>
+              </td>
+              <td class="amount text-right">
+                <span class="skeleton-loader" style="max-width: 140px"></span>
+              </td>
+              <td class="output text-left">
+                <span class="skeleton-loader" style="max-width: 300px"></span>
+              </td>
+              <td class="address text-left">
+                <span class="skeleton-loader" style="max-width: 140px"></span>
+              </td>
+            </tr>
+          </ng-template>
+        </ng-template>
+      </table>
+
+      <ngb-pagination *ngIf="!widget && recentPegs$ | async as pegs" class="pagination-container float-right mt-2" [class]="isLoading ? 'disabled' : ''"
+        [collectionSize]="pegs.length" [rotate]="true" [maxSize]="maxSize" [pageSize]="15" [(page)]="page"
+        (pageChange)="pageChange(page)" [boundaryLinks]="true" [ellipses]="false">
+      </ngb-pagination>
+
+      <ng-template [ngIf]="!widget">
+        <div class="clearfix"></div>
+        <br>
+      </ng-template>
+    </div>
+    
+  </div>
+</div>
+
+<br>
+
+<ng-template #noRedeem>
+  <span class="text-muted">-</span>
+</ng-template>

frontend/src/app/components/liquid-reserves-audit/recent-pegs-list/recent-pegs-list.component.scss

@@ -0,0 +1,107 @@
+.spinner-border {
+  height: 25px;
+  width: 25px;
+  margin-top: 13px;
+}
+
+tr, td, th {
+  border: 0px;
+  padding-top: 0.65rem !important;
+  padding-bottom: 0.6rem !important;
+  padding-right: 2rem !important;
+  .widget {
+    padding-right: 1rem !important;
+  }
+}
+
+.clear-link {
+  color: white;
+}
+
+.disabled {
+  pointer-events: none;
+  opacity: 0.5;
+}
+
+.progress {
+  background-color: #2d3348;
+}
+
+.transaction {
+  width: 20%;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  max-width: 120px;
+}
+.transaction.widget {
+  width: 100%;
+  
+}
+
+.address {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  max-width: 160px;
+  @media (max-width: 527px) {
+    display: none;
+  }
+}
+
+.amount {
+  width: 0%;
+}
+
+.output {
+  width: 20%;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  max-width: 160px;
+  @media (max-width: 800px) {
+    display: none;
+  }
+}
+
+.address {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  max-width: 160px;
+  @media (max-width: 960px) {
+    display: none;
+  }
+}
+
+.timestamp {
+  width: 0%;
+  @media (max-width: 650px) {
+    display: none;
+  }
+  @media (max-width: 1000px) {
+    .relative-time {
+      display: none;
+    }
+  }
+}
+.timestamp.widget {
+  @media (min-width: 768px) AND (max-width: 1050px) {
+    display: none;
+  }
+  @media (max-width: 767px) {
+    display: block;
+  }
+
+  @media (max-width: 500px) {
+    display: none;
+  }
+}
+
+.credit {
+  color: #7CB342;
+}
+
+.debit {
+  color: #D81B60;
+}

frontend/src/app/components/liquid-reserves-audit/recent-pegs-list/recent-pegs-list.component.ts

@@ -0,0 +1,154 @@
+import { Component, OnInit, ChangeDetectionStrategy, Input } from '@angular/core';
+import { Observable, Subject, combineLatest, of, timer } from 'rxjs';
+import { delayWhen, filter, map, share, shareReplay, switchMap, takeUntil, tap, throttleTime } from 'rxjs/operators';
+import { ApiService } from '../../../services/api.service';
+import { Env, StateService } from '../../../services/state.service';
+import { AuditStatus, CurrentPegs, FederationUtxo, RecentPeg } from '../../../interfaces/node-api.interface';
+import { WebsocketService } from '../../../services/websocket.service';
+import { SeoService } from '../../../services/seo.service';
+
+@Component({
+  selector: 'app-recent-pegs-list',
+  templateUrl: './recent-pegs-list.component.html',
+  styleUrls: ['./recent-pegs-list.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class RecentPegsListComponent implements OnInit {
+  @Input() widget: boolean = false;
+  @Input() recentPegIns$: Observable<RecentPeg[]> = of([]);
+  @Input() recentPegOuts$: Observable<RecentPeg[]> = of([]);
+
+  env: Env;
+  isLoading = true;
+  page = 1;
+  pageSize = 15;
+  maxSize = window.innerWidth <= 767.98 ? 3 : 5;
+  skeletonLines: number[] = [];
+  auditStatus$: Observable<AuditStatus>;
+  auditUpdated$: Observable<boolean>;
+  federationUtxos$: Observable<FederationUtxo[]>;
+  recentPegs$: Observable<RecentPeg[]>;
+  lastReservesBlockUpdate: number = 0;
+  currentPeg$: Observable<CurrentPegs>;
+  lastPegBlockUpdate: number = 0;
+  lastPegAmount: string = '';
+  isLoad: boolean = true;
+
+  private destroy$ = new Subject();
+  
+  constructor(
+    private apiService: ApiService,
+    public stateService: StateService,
+    private websocketService: WebsocketService,
+    private seoService: SeoService
+  ) {
+  }
+
+  ngOnInit(): void {
+    this.isLoading = !this.widget;
+    this.env = this.stateService.env;
+    this.skeletonLines = this.widget === true ? [...Array(6).keys()] : [...Array(15).keys()];
+
+    if (!this.widget) {
+      this.seoService.setTitle($localize`:@@a8b0889ea1b41888f1e247f2731cc9322198ca04:Recent Peg-In / Out's`);
+      this.websocketService.want(['blocks']);
+      this.auditStatus$ = this.stateService.blocks$.pipe(
+        takeUntil(this.destroy$),
+        throttleTime(40000),
+        delayWhen(_ => this.isLoad ? timer(0) : timer(2000)),
+        tap(() => this.isLoad = false),
+        switchMap(() => this.apiService.federationAuditSynced$()),
+        shareReplay(1)
+      );
+
+      this.currentPeg$ = this.auditStatus$.pipe(
+        filter(auditStatus => auditStatus.isAuditSynced === true),
+        switchMap(_ =>
+          this.apiService.liquidPegs$().pipe(
+            filter((currentPegs) => currentPegs.lastBlockUpdate >= this.lastPegBlockUpdate),
+            tap((currentPegs) => {
+              this.lastPegBlockUpdate = currentPegs.lastBlockUpdate;
+            })
+          )
+        ),
+        share()
+      );
+
+      this.auditUpdated$ = combineLatest([
+        this.auditStatus$,
+        this.currentPeg$
+      ]).pipe(
+        filter(([auditStatus, _]) => auditStatus.isAuditSynced === true),
+        map(([auditStatus, currentPeg]) => ({
+          lastBlockAudit: auditStatus.lastBlockAudit,
+          currentPegAmount: currentPeg.amount
+        })),
+        switchMap(({ lastBlockAudit, currentPegAmount }) => {
+          const blockAuditCheck = lastBlockAudit > this.lastReservesBlockUpdate;
+          const amountCheck = currentPegAmount !== this.lastPegAmount;
+          this.lastReservesBlockUpdate = lastBlockAudit;
+          this.lastPegAmount = currentPegAmount;
+          return of(blockAuditCheck || amountCheck);
+        }),
+        share()
+      );
+
+      this.federationUtxos$ = this.auditUpdated$.pipe(
+        filter(auditUpdated => auditUpdated === true),
+        throttleTime(40000),
+        switchMap(_ => this.apiService.federationUtxos$()),
+        share()
+      );
+
+      this.recentPegIns$ = this.federationUtxos$.pipe(
+        map(federationUtxos => federationUtxos.filter(utxo => utxo.pegtxid).map(utxo => {
+          return {
+            txid: utxo.pegtxid,
+            txindex: utxo.pegindex,
+            amount: utxo.amount,
+            bitcoinaddress: utxo.bitcoinaddress,
+            bitcointxid: utxo.txid,
+            bitcoinindex: utxo.txindex,
+            blocktime: utxo.pegblocktime,
+          }
+        })),
+        share()
+      );
+
+      this.recentPegOuts$ = this.auditUpdated$.pipe(
+        filter(auditUpdated => auditUpdated === true),
+        throttleTime(40000),
+        switchMap(_ => this.apiService.recentPegOuts$()),
+        share()
+      );
+  
+    }
+
+    this.recentPegs$ = combineLatest([
+      this.recentPegIns$,
+      this.recentPegOuts$
+    ]).pipe(
+      map(([recentPegIns, recentPegOuts]) => {
+        return [
+          ...recentPegIns,
+          ...recentPegOuts
+        ].sort((a, b) => {
+          return b.blocktime - a.blocktime;
+        });
+      }),
+      filter(recentPegs => recentPegs.length > 0),
+      tap(_ => this.isLoading = false),
+      share()
+    );
+  }
+
+  ngOnDestroy(): void {
+    this.destroy$.next(1);
+    this.destroy$.complete();
+  }
+
+  pageChange(page: number): void {
+    this.page = page;
+  }
+
+}

frontend/src/app/components/liquid-reserves-audit/recent-pegs-stats/recent-pegs-stats.component.html

@@ -0,0 +1,7 @@
+<div class="fee-estimation-container">
+  <div class="item">
+    <a class="title-link" [routerLink]="['/audit/pegs' | relativeUrl]">
+      <h5 class="card-title"><ng-container i18n="liquid.recent-pegs">Recent Peg-In / Out's</ng-container>&nbsp;<fa-icon [icon]="['fas', 'external-link-alt']" [fixedWidth]="true" style="font-size: 13px; color: #4a68b9"></fa-icon></h5>
+    </a>
+  </div>
+</div>

frontend/src/app/components/liquid-reserves-audit/recent-pegs-stats/recent-pegs-stats.component.scss

@@ -0,0 +1,71 @@
+.fee-estimation-container {
+  display: flex;
+  justify-content: space-between;
+  padding-bottom: 1rem;
+  @media (min-width: 376px) {
+    flex-direction: row;
+  }  
+  .item {
+    max-width: 300px;
+    margin: 0;
+    width: -webkit-fill-available;
+    @media (min-width: 376px) {
+      margin: 0 auto 0px;
+    }
+
+    .card-title {
+      margin: 0;
+      color: #4a68b9;
+      font-size: 10px;
+      font-size: 1rem;
+      white-space: nowrap;
+    }
+
+    .card-text {
+      font-size: 22px;
+      span {
+        font-size: 11px;
+        position: relative;
+        top: -2px;
+      }
+    }
+
+    .card-text span {
+      color: #ffffff66;
+      font-size: 12px;
+      top: 0px;
+    }
+    .fee-text{
+      width: fit-content;
+      margin: auto;
+      line-height: 1.45;
+      padding: 0px 2px;
+    }
+    .fiat {
+      display: block;
+      font-size: 14px !important;
+    }
+  }
+}
+
+.card-text {
+  .skeleton-loader {
+    width: 100%;
+    display: block;
+    &:first-child {
+      max-width: 90px;
+      margin: 15px auto 3px;
+    }
+    &:last-child {
+      margin: 10px auto 3px;
+      max-width: 55px;
+    }
+  }
+}
+
+.title-link, .title-link:hover, .title-link:focus, .title-link:active {
+  display: block;
+  margin-bottom: 4px;
+  text-decoration: none;
+  color: inherit;
+}

frontend/src/app/components/liquid-reserves-audit/recent-pegs-stats/recent-pegs-stats.component.ts

@@ -0,0 +1,15 @@
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+@Component({
+  selector: 'app-recent-pegs-stats',
+  templateUrl: './recent-pegs-stats.component.html',
+  styleUrls: ['./recent-pegs-stats.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class RecentPegsStatsComponent implements OnInit {
+  constructor() { }
+
+  ngOnInit(): void {
+    
+  }
+
+}

frontend/src/app/components/liquid-reserves-audit/reserves-audit-dashboard/reserves-audit-dashboard.component.html

@@ -0,0 +1,98 @@
+<div class="container-xl dashboard-container" *ngIf="(auditStatus$ | async)?.isAuditSynced; else auditInProgress">
+
+  <div class="row row-cols-1 row-cols-md-2">
+
+    <div class="col">
+      <div class="card">
+        <div class="card-body">
+          <app-reserves-supply-stats [currentPeg$]="currentPeg$" [currentReserves$]="currentReserves$"></app-reserves-supply-stats>
+          <app-reserves-ratio [currentPeg]="currentPeg$ | async" [currentReserves]="currentReserves$ | async"></app-reserves-ratio>
+        </div>
+      </div>
+    </div>
+
+    <div class="col" style="margin-bottom: 1.47rem">
+      <div class="card"> 
+        <div class="card-title">
+          <app-reserves-ratio-stats [fullHistory$]="fullHistory$"></app-reserves-ratio-stats>
+        </div>
+        <div class="card-body pl-0" style="padding-top: 10px;">
+          <app-reserves-ratio-graph [data]="fullHistory$ | async"></app-reserves-ratio-graph>
+        </div>
+      </div>
+    </div>
+
+    <div class="col">
+      <div class="card">
+        <div class="card-body">
+          <app-recent-pegs-stats></app-recent-pegs-stats>
+          <app-recent-pegs-list [recentPegIns$]="recentPegIns$" [recentPegOuts$]="recentPegOuts$"[widget]="true"></app-recent-pegs-list>
+        </div>
+      </div>
+    </div>
+
+    <div class="col" style="margin-bottom: 1.47rem">
+      <div class="card">
+        <div class="card-body">
+          <app-federation-addresses-stats [federationAddresses$]="federationAddresses$" [federationAddressesOneMonthAgo$]="federationAddressesOneMonthAgo$"></app-federation-addresses-stats>
+          <app-federation-addresses-list [federationAddresses$]="federationAddresses$" [widget]="true"></app-federation-addresses-list>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
+
+
+<ng-template #loadingSkeleton>
+  <div class="container-xl dashboard-container">
+
+    <div class="row row-cols-1 row-cols-md-2">
+  
+      <div class="col">
+        <div class="card">
+          <div class="card-body">
+            <app-reserves-supply-stats></app-reserves-supply-stats>
+            <app-reserves-ratio></app-reserves-ratio>
+          </div>
+        </div>
+      </div>
+
+      <div class="col" style="margin-bottom: 1.47rem">
+        <div class="card"> 
+          <div class="card-title">
+            <app-reserves-ratio-stats></app-reserves-ratio-stats>
+          </div>
+          <div class="card-body pl-0" style="padding-top: 10px;">
+            <app-reserves-ratio-graph></app-reserves-ratio-graph>
+          </div>
+        </div>
+      </div>
+  
+      <div class="col">
+        <div class="card">
+          <div class="card-body">
+            <app-recent-pegs-stats></app-recent-pegs-stats>
+            <app-recent-pegs-list [widget]="true"></app-recent-pegs-list>
+          </div>
+        </div>
+      </div>
+  
+      <div class="col" style="margin-bottom: 1.47rem">
+        <div class="card">
+          <div class="card-body">
+            <app-federation-addresses-stats></app-federation-addresses-stats>
+            <app-federation-addresses-list [widget]="true"></app-federation-addresses-list>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</ng-template>
+
+<ng-template #auditInProgress>
+  <ng-container *ngIf="(auditStatus$ | async) as auditStatus; else loadingSkeleton">
+    <div class="in-progress-message" *ngIf="auditStatus.lastBlockAudit && auditStatus.bitcoinHeaders; else loadingSkeleton">
+      <span i18n="liquid.audit-in-progress">Audit in progress: Bitcoin block height #{{ auditStatus.lastBlockAudit }} / #{{ auditStatus.bitcoinHeaders }}</span>
+    </div>
+  </ng-container>
+</ng-template>

frontend/src/app/components/liquid-reserves-audit/reserves-audit-dashboard/reserves-audit-dashboard.component.scss

@@ -0,0 +1,138 @@
+.dashboard-container {
+  text-align: center;
+  margin-top: 0.5rem;
+  .col {
+    margin-bottom: 1.5rem;
+  }
+}
+
+.card {
+  background-color: #1d1f31;
+}
+
+.card-title {
+  padding-top: 20px;
+}
+
+.card-body.pool-ranking {
+  padding: 1.25rem 0.25rem 0.75rem 0.25rem;
+}
+.card-text {
+  font-size: 22px;
+}
+
+#blockchain-container {
+  position: relative;
+  overflow-x: scroll;
+  overflow-y: hidden;
+  scrollbar-width: none;
+  -ms-overflow-style: none;
+}
+
+#blockchain-container::-webkit-scrollbar {
+  display: none;
+}
+
+.fade-border {
+  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 80%, transparent 100%)
+}
+
+.in-progress-message {
+  position: relative;
+  color: #ffffff91;
+  margin-top: 20px;
+  text-align: center;
+  padding-bottom: 3px;
+  font-weight: 500;
+}
+
+.more-padding {
+  padding: 24px 20px !important;
+}
+
+.card-wrapper {
+  .card {
+    height: auto !important;
+  }
+  .card-body {
+    display: flex;
+    flex: inherit;
+    text-align: center;
+    flex-direction: column;
+    justify-content: space-around;
+    padding: 22px 20px;
+  }
+}
+
+.skeleton-loader {
+  width: 100%;
+  display: block;
+  &:first-child {
+    max-width: 90px;
+    margin: 15px auto 3px;
+  }
+  &:last-child {
+    margin: 10px auto 3px;
+    max-width: 55px;
+  }
+}
+
+.card-text {
+  font-size: 22px;
+}
+
+.title-link, .title-link:hover, .title-link:focus, .title-link:active {
+  display: block;
+  margin-bottom: 10px;
+  text-decoration: none;
+  color: inherit;
+}
+
+.lastest-blocks-table {
+  width: 100%;
+  text-align: left;
+  tr, td, th {
+    border: 0px;
+    padding-top: 0.65rem !important;
+    padding-bottom: 0.8rem !important;
+  }
+  .table-cell-height {
+    width: 25%;
+  }
+  .table-cell-fee {
+    width: 25%;
+    text-align: right;
+  }
+  .table-cell-pool {
+    text-align: left;
+    width: 30%;
+
+    @media (max-width: 875px) {
+      display: none;
+    }
+
+    .pool-name {
+      margin-left: 1em;
+    }
+  }
+  .table-cell-acceleration-count {
+    text-align: right;
+    width: 20%;
+  }
+}
+
+.card {
+  height: 385px;
+}
+.list-card {
+  height: 410px;
+  @media (max-width: 767px) {
+    height: auto;
+  }
+}
+
+.mempool-block-wrapper {
+  max-height: 380px;
+  max-width: 380px;
+  margin: auto;
+}

frontend/src/app/components/liquid-reserves-audit/reserves-audit-dashboard/reserves-audit-dashboard.component.ts

@@ -0,0 +1,204 @@
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+import { SeoService } from '../../../services/seo.service';
+import { WebsocketService } from '../../../services/websocket.service';
+import { StateService } from '../../../services/state.service';
+import { Observable, Subject, combineLatest, delayWhen, filter, interval, map, of, share, shareReplay, startWith, switchMap, takeUntil, tap, throttleTime, timer } from 'rxjs';
+import { ApiService } from '../../../services/api.service';
+import { AuditStatus, CurrentPegs, FederationAddress, FederationUtxo, RecentPeg } from '../../../interfaces/node-api.interface';
+
+@Component({
+  selector: 'app-reserves-audit-dashboard',
+  templateUrl: './reserves-audit-dashboard.component.html',
+  styleUrls: ['./reserves-audit-dashboard.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ReservesAuditDashboardComponent implements OnInit {
+  auditStatus$: Observable<AuditStatus>;
+  auditUpdated$: Observable<boolean>;
+  currentPeg$: Observable<CurrentPegs>;
+  currentReserves$: Observable<CurrentPegs>;
+  federationUtxos$: Observable<FederationUtxo[]>;
+  recentPegIns$: Observable<RecentPeg[]>;
+  recentPegOuts$: Observable<RecentPeg[]>;
+  federationAddresses$: Observable<FederationAddress[]>;
+  federationAddressesOneMonthAgo$: Observable<any>;
+  liquidPegsMonth$: Observable<any>;
+  liquidReservesMonth$: Observable<any>;
+  fullHistory$: Observable<any>;
+  isLoad: boolean = true;
+  private lastPegBlockUpdate: number = 0;
+  private lastPegAmount: string = '';
+  private lastReservesBlockUpdate: number = 0;
+
+  private destroy$ = new Subject();
+
+  constructor(
+    private seoService: SeoService,
+    private websocketService: WebsocketService,
+    private apiService: ApiService,
+    private stateService: StateService,
+  ) {
+    this.seoService.setTitle($localize`:@@liquid.reserves-audit:Reserves Audit Dashboard`);
+  }
+
+  ngOnInit(): void {
+    this.websocketService.want(['blocks', 'mempool-blocks']);
+
+    this.auditStatus$ = this.stateService.blocks$.pipe(
+      takeUntil(this.destroy$),
+      throttleTime(40000),
+      delayWhen(_ => this.isLoad ? timer(0) : timer(2000)),
+      tap(() => this.isLoad = false),
+      switchMap(() => this.apiService.federationAuditSynced$()),
+      shareReplay(1),
+    );
+
+    this.currentPeg$ = this.auditStatus$.pipe(
+      filter(auditStatus => auditStatus.isAuditSynced === true),
+      switchMap(_ =>
+        this.apiService.liquidPegs$().pipe(
+          filter((currentPegs) => currentPegs.lastBlockUpdate >= this.lastPegBlockUpdate),
+          tap((currentPegs) => {
+            this.lastPegBlockUpdate = currentPegs.lastBlockUpdate;
+          })
+        )
+      ),
+      share()
+    );
+
+    this.auditUpdated$ = combineLatest([
+      this.auditStatus$,
+      this.currentPeg$
+    ]).pipe(
+      filter(([auditStatus, _]) => auditStatus.isAuditSynced === true),
+      map(([auditStatus, currentPeg]) => ({
+        lastBlockAudit: auditStatus.lastBlockAudit,
+        currentPegAmount: currentPeg.amount
+      })),
+      switchMap(({ lastBlockAudit, currentPegAmount }) => {
+        const blockAuditCheck = lastBlockAudit > this.lastReservesBlockUpdate;
+        const amountCheck = currentPegAmount !== this.lastPegAmount;
+        this.lastPegAmount = currentPegAmount;
+        return of(blockAuditCheck || amountCheck);
+      }),
+      share()
+    );
+
+    this.currentReserves$ = this.auditUpdated$.pipe(
+      filter(auditUpdated => auditUpdated === true),
+      throttleTime(40000),
+      switchMap(_ =>
+        this.apiService.liquidReserves$().pipe(
+          filter((currentReserves) => currentReserves.lastBlockUpdate >= this.lastReservesBlockUpdate),
+          tap((currentReserves) => {
+            this.lastReservesBlockUpdate = currentReserves.lastBlockUpdate;
+          })
+        )
+      ),
+      share()
+    );
+
+    this.federationUtxos$ = this.auditUpdated$.pipe(
+      filter(auditUpdated => auditUpdated === true),
+      throttleTime(40000),
+      switchMap(_ => this.apiService.federationUtxos$()),
+      share()
+    );
+
+    this.recentPegIns$ = this.federationUtxos$.pipe(
+      map(federationUtxos => federationUtxos.filter(utxo => utxo.pegtxid).map(utxo => {
+        return {
+          txid: utxo.pegtxid,
+          txindex: utxo.pegindex,
+          amount: utxo.amount,
+          bitcoinaddress: utxo.bitcoinaddress,
+          bitcointxid: utxo.txid,
+          bitcoinindex: utxo.txindex,
+          blocktime: utxo.pegblocktime,
+        }
+      })),
+      share()
+    );
+
+    this.recentPegOuts$ = this.auditUpdated$.pipe(
+      filter(auditUpdated => auditUpdated === true),
+      throttleTime(40000),
+      switchMap(_ => this.apiService.recentPegOuts$()),
+      share()
+    );
+
+    this.federationAddresses$ = this.auditUpdated$.pipe(
+      filter(auditUpdated => auditUpdated === true),
+      throttleTime(40000),
+      switchMap(_ => this.apiService.federationAddresses$()),
+      share()
+    );
+
+    this.federationAddressesOneMonthAgo$ = interval(60 * 60 * 1000)
+      .pipe(
+        startWith(0),
+        switchMap(() => this.apiService.federationAddressesOneMonthAgo$())
+      );
+
+    this.liquidPegsMonth$ = interval(60 * 60 * 1000)
+      .pipe(
+        startWith(0),
+        switchMap(() => this.apiService.listLiquidPegsMonth$()),
+        map((pegs) => {
+          const labels = pegs.map(stats => stats.date);
+          const series = pegs.map(stats => parseFloat(stats.amount) / 100000000);
+          series.reduce((prev, curr, i) => series[i] = prev + curr, 0);
+          return {
+            series,
+            labels
+          };
+        }),
+        share(),
+      );
+
+    this.liquidReservesMonth$ = interval(60 * 60 * 1000).pipe(
+      startWith(0),
+      switchMap(() => this.apiService.listLiquidReservesMonth$()),
+      map(reserves => {
+        const labels = reserves.map(stats => stats.date);
+        const series = reserves.map(stats => parseFloat(stats.amount) / 100000000);
+        return {
+          series,
+          labels
+        };
+      }),
+      share()
+    );
+
+    this.fullHistory$ = combineLatest([this.liquidPegsMonth$, this.currentPeg$, this.liquidReservesMonth$, this.currentReserves$])
+      .pipe(
+        map(([liquidPegs, currentPeg, liquidReserves, currentReserves]) => {
+          liquidPegs.series[liquidPegs.series.length - 1] = parseFloat(currentPeg.amount) / 100000000;
+
+          if (liquidPegs.series.length === liquidReserves?.series.length) {
+            liquidReserves.series[liquidReserves.series.length - 1] = parseFloat(currentReserves?.amount) / 100000000;
+          } else if (liquidPegs.series.length === liquidReserves?.series.length + 1) {
+            liquidReserves.series.push(parseFloat(currentReserves?.amount) / 100000000);
+            liquidReserves.labels.push(liquidPegs.labels[liquidPegs.labels.length - 1]);
+          } else {
+            liquidReserves = {
+              series: [],
+              labels: []
+            };
+          }
+
+          return {
+            liquidPegs,
+            liquidReserves
+          };
+        }),
+        share()
+      );
+  }
+
+  ngOnDestroy(): void {
+    this.destroy$.next(1);
+    this.destroy$.complete();
+  }
+
+}

frontend/src/app/components/liquid-reserves-audit/reserves-ratio-stats/reserves-ratio-stats.component.html

@@ -0,0 +1,42 @@
+<div *ngIf="(unbackedMonths$ | async) as unbackedMonths; else loadingData">
+  <ng-container *ngIf="unbackedMonths.historyComplete; else loadingData">
+    <div class="fee-estimation-container">
+      <div class="item"> 
+        <h5 class="card-title" i18n="liquid.unpeg">Unpeg</h5> 
+        <div class="card-text">
+          <div class="fee-text" [ngClass]="{'danger' : unbackedMonths.total > 0, 'correct': unbackedMonths.total === 0}">
+            {{ unbackedMonths.total }} <span i18n="liquid.unpeg-event">Unpeg Event</span>
+          </div>
+        </div>
+      </div>
+
+      <div class="item"> 
+        <h5 class="card-title" i18n="liquid.avg-peg-ratio">Avg Peg Ratio</h5> 
+        <div class="card-text">
+          <div class="fee-text" [ngClass]="{'danger' : unbackedMonths.avg < 1, 'correct': unbackedMonths.avg >= 1}">
+            {{ unbackedMonths.avg.toFixed(5) }}
+          </div>
+        </div>
+      </div>
+    </div>
+  </ng-container>
+</div>
+
+<ng-template #loadingData>
+  <div class="fee-estimation-container loading-container">
+    <div class="item">
+      <h5 class="card-title" i18n="liquid.unpeg">Unpeg</h5>
+      <div class="card-text">
+        <div class="skeleton-loader"></div>
+      </div>
+    </div>
+
+    <div class="item"> 
+      <h5 class="card-title" i18n="liquid.avg-peg-ratio">Avg Peg Ratio</h5> 
+      <div class="card-text">
+        <div class="skeleton-loader"></div>
+      </div>
+    </div>
+  </div>
+</ng-template>
+

frontend/src/app/components/liquid-reserves-audit/reserves-ratio-stats/reserves-ratio-stats.component.scss

@@ -0,0 +1,63 @@
+.fee-estimation-container {
+  display: flex;
+  justify-content: space-between;
+  @media (min-width: 376px) {
+    flex-direction: row;
+  }  
+  .item {
+    max-width: 300px;
+    margin: 0;
+    width: -webkit-fill-available;
+    @media (min-width: 376px) {
+      margin: 0 auto 0px;
+    }
+
+    .card-title {
+      margin-bottom: 4px;
+      color: #4a68b9;
+      font-size: 10px;
+      font-size: 1rem;
+      white-space: nowrap;
+    }
+
+    .card-text {
+      font-size: 22px;
+      span {
+        font-size: 11px;
+        position: relative;
+        top: -2px;
+      }
+      .danger {
+        color: #D81B60;
+      }
+      .correct {
+        color: #7CB342;
+      }
+    }
+
+    .card-text span {
+      color: #ffffff66;
+      font-size: 12px;
+      top: 0px;
+    }
+    .fee-text{
+      width: fit-content;
+      margin: auto;
+      line-height: 1.45;
+      padding: 0px 2px;
+    }
+  }
+}
+
+.loading-container{
+  min-height: 76px;
+}
+
+.card-text {
+  .skeleton-loader {
+    width: 100%;
+    display: block;
+    max-width: 90px;
+    margin: 15px auto 3px;
+  }
+}

frontend/src/app/components/liquid-reserves-audit/reserves-ratio-stats/reserves-ratio-stats.component.ts

@@ -0,0 +1,51 @@
+import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
+import { Observable, map } from 'rxjs';
+
+@Component({
+  selector: 'app-reserves-ratio-stats',
+  templateUrl: './reserves-ratio-stats.component.html',
+  styleUrls: ['./reserves-ratio-stats.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ReservesRatioStatsComponent implements OnInit {
+  @Input() fullHistory$: Observable<any>;
+  unbackedMonths$: Observable<any>
+
+  constructor() { }
+
+  ngOnInit(): void {
+    if (!this.fullHistory$) {
+      return;
+    }
+    this.unbackedMonths$ = this.fullHistory$
+      .pipe(
+        map((fullHistory) => {
+          if (fullHistory.liquidPegs.series.length !== fullHistory.liquidReserves.series.length) {
+            return {
+              historyComplete: false, 
+              total: null
+            };
+          }
+          // Only check the last 3 years
+          let ratioSeries = fullHistory.liquidReserves.series.map((value: number, index: number) => value / fullHistory.liquidPegs.series[index]);
+          ratioSeries = ratioSeries.slice(Math.max(ratioSeries.length - 36, 0));          
+          let total = 0;
+          let avg = 0;
+          for (let i = 0; i < ratioSeries.length; i++) {
+            avg += ratioSeries[i];
+            if (ratioSeries[i] < 1) {
+              total++;
+            }
+          }
+          avg = avg / ratioSeries.length;
+          return {
+            historyComplete: true, 
+            total: total,
+            avg: avg,
+          };
+        })
+      );
+
+  }
+
+}

frontend/src/app/components/liquid-reserves-audit/reserves-ratio/reserves-ratio-graph.component.html

@@ -0,0 +1,4 @@
+<div class="echarts" echarts [initOpts]="ratioHistoryChartInitOptions" [options]="ratioHistoryChartOptions" (chartRendered)="rendered()"></div>
+<div class="text-center loadingGraphs" *ngIf="isLoading">
+  <div class="spinner-border text-light"></div>
+</div>

frontend/src/app/components/liquid-reserves-audit/reserves-ratio/reserves-ratio-graph.component.scss

@@ -0,0 +1,6 @@
+.loadingGraphs {
+  position: absolute;
+  top: 50%;
+  left: calc(50% - 16px);
+  z-index: 100;
+}

frontend/src/app/components/liquid-reserves-audit/reserves-ratio/reserves-ratio-graph.component.ts

@@ -0,0 +1,195 @@
+import { Component, Inject, LOCALE_ID, ChangeDetectionStrategy, Input, OnChanges, OnInit } from '@angular/core';
+import { formatDate, formatNumber } from '@angular/common';
+import { EChartsOption } from '../../../graphs/echarts';
+
+@Component({
+  selector: 'app-reserves-ratio-graph',
+  templateUrl: './reserves-ratio-graph.component.html',
+  styleUrls: ['./reserves-ratio-graph.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ReservesRatioGraphComponent implements OnInit, OnChanges {
+  @Input() data: any;
+  ratioHistoryChartOptions: EChartsOption;
+  ratioSeries: number[] = [];
+
+  height: number | string = '200';
+  right: number | string = '10';
+  top: number | string = '20';
+  left: number | string = '50';
+  template: ('widget' | 'advanced') = 'widget';
+  isLoading = true;
+
+  ratioHistoryChartInitOptions = {
+    renderer: 'svg'
+  };
+
+  constructor(
+    @Inject(LOCALE_ID) private locale: string,
+  ) { }
+
+  ngOnInit() {
+    this.isLoading = true;
+  }
+
+  ngOnChanges() {
+    if (!this.data) {
+      return;
+    }
+    // Compute the ratio series: the ratio of the reserves to the pegs
+    this.ratioSeries = this.data.liquidReserves.series.map((value: number, index: number) => value / this.data.liquidPegs.series[index]);
+    // Truncate the ratio series and labels series to last 3 years
+    this.ratioSeries = this.ratioSeries.slice(Math.max(this.ratioSeries.length - 36, 0));
+    this.data.liquidPegs.labels = this.data.liquidPegs.labels.slice(Math.max(this.data.liquidPegs.labels.length - 36, 0));
+    // Cut the values that are too high or too low
+    this.ratioSeries = this.ratioSeries.map((value: number) => Math.min(Math.max(value, 0.995), 1.005));
+    this.ratioHistoryChartOptions = this.createChartOptions(this.ratioSeries, this.data.liquidPegs.labels);
+  }
+
+  rendered() {
+    if (!this.data) {
+      return;
+    }
+    this.isLoading = false;
+  }
+
+  createChartOptions(ratioSeries: number[], labels: string[]): EChartsOption {
+    return {
+      grid: {
+        height: this.height,
+        right: this.right,
+        top: this.top,
+        left: this.left,
+      },
+      animation: false,
+      dataZoom: [{
+        type: 'inside',
+        realtime: true,
+        zoomOnMouseWheel: (this.template === 'advanced') ? true : false,
+        maxSpan: 100,
+        minSpan: 10,
+      }, {
+        show: (this.template === 'advanced') ? true : false,
+        type: 'slider',
+        brushSelect: false,
+        realtime: true,
+        selectedDataBackground: {
+          lineStyle: {
+            color: '#fff',
+            opacity: 0.45,
+          },
+          areaStyle: {
+            opacity: 0,
+          }
+        }
+      }],
+      tooltip: {
+        trigger: 'axis',
+        position: (pos, params, el, elRect, size) => {
+          const obj = { top: -20 };
+          obj[['left', 'right'][+(pos[0] < size.viewSize[0] / 2)]] = 80;
+          return obj;
+        },
+        extraCssText: `width: ${(this.template === 'widget') ? '125px' : '135px'};
+                      background: transparent;
+                      border: none;
+                      box-shadow: none;`,
+        axisPointer: {
+          type: 'line',
+        },
+        formatter: (params: any) => {
+          const colorSpan = (color: string) => `<span class="indicator" style="background-color: ${color};"></span>`;
+          let itemFormatted = '<div class="title">' + params[0].axisValue + '</div>';
+          const item = params[0];
+          const formattedValue = formatNumber(item.value, this.locale, '1.5-5');
+          const symbol = (item.value === 1.005) ? '≥ ' : (item.value === 0.995) ? '≤ ' : '';
+          itemFormatted += `<div class="item">
+            <div class="indicator-container">${colorSpan(item.color)}</div>
+            <div style="margin-right: 5px"></div>
+            <div class="value">${symbol}${formattedValue}</div>
+          </div>`;
+          return `<div class="tx-wrapper-tooltip-chart ${(this.template === 'advanced') ? 'tx-wrapper-tooltip-chart-advanced' : ''}">${itemFormatted}</div>`;
+        }
+      },
+      xAxis: {
+        type: 'category',
+        axisLabel: {
+          align: 'center',
+          fontSize: 11,
+          lineHeight: 12
+        },
+        boundaryGap: false,
+        data: labels.map((value: any) => `${formatDate(value, 'MMM\ny', this.locale)}`),
+      },
+      yAxis: {
+        type: 'value',
+        axisLabel: {
+          fontSize: 11,
+        },
+        splitLine: {
+          lineStyle: {
+            type: 'dotted',
+            color: '#ffffff66',
+            opacity: 0.25,
+          }
+        },
+        min: 0.995,
+        max: 1.005,
+      },
+      series: [
+        {
+          data: ratioSeries,
+          name: '',
+          type: 'line',
+          smooth: true,
+          showSymbol: false,
+          lineStyle: {
+            width: 3,
+            
+          },
+          markLine: {
+            silent: true,
+            symbol: 'none',
+            lineStyle: {
+              color: '#fff',
+              opacity: 1,
+              width: 1,
+            },
+            data: [{
+              yAxis: 1,
+              label: {
+                show: false,
+                color: '#ffffff',
+              }
+            }],
+          },
+        },
+      ],
+      visualMap: {
+        show: false,
+        top: 50,
+        right: 10,
+        pieces: [{
+          gt: 0,
+          lte: 0.999,
+          color: '#D81B60'
+        },
+        {
+          gt: 0.999,
+          lte: 1.001,
+          color: '#FDD835'
+        },
+        {
+          gt: 1.001,
+          lte: 2,
+          color: '#7CB342'
+        }
+        ],
+        outOfRange: {
+          color: '#999'
+        }
+      },
+    };
+  }
+}
+

frontend/src/app/components/liquid-reserves-audit/reserves-ratio/reserves-ratio.component.html

@@ -0,0 +1,4 @@
+<div class="echarts" echarts [initOpts]="ratioChartInitOptions" [options]="ratioChartOptions" (chartRendered)="rendered()"></div>
+<div class="text-center loadingGraphs" *ngIf="isLoading">
+  <div class="spinner-border text-light"></div>
+</div>

frontend/src/app/components/liquid-reserves-audit/reserves-ratio/reserves-ratio.component.scss

@@ -0,0 +1,6 @@
+.loadingGraphs {
+  position: absolute;
+  top: 50%;
+  left: calc(50% - 16px);
+  z-index: 100;
+}

frontend/src/app/components/liquid-reserves-audit/reserves-ratio/reserves-ratio.component.ts

@@ -0,0 +1,126 @@
+import { Component, ChangeDetectionStrategy, Input, OnChanges, OnInit } from '@angular/core';
+import { EChartsOption } from '../../../graphs/echarts';
+import { CurrentPegs } from '../../../interfaces/node-api.interface';
+
+
+@Component({
+  selector: 'app-reserves-ratio',
+  templateUrl: './reserves-ratio.component.html',
+  styleUrls: ['./reserves-ratio.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ReservesRatioComponent implements OnInit, OnChanges {
+  @Input() currentPeg: CurrentPegs;
+  @Input() currentReserves: CurrentPegs;
+  ratioChartOptions: EChartsOption;
+
+  height: number | string = '200';
+  right: number | string = '10';
+  top: number | string = '20';
+  left: number | string = '50';
+  template: ('widget' | 'advanced') = 'widget';
+  isLoading = true;
+
+  ratioChartInitOptions = {
+    renderer: 'svg'
+  };
+
+  constructor() { }
+
+  ngOnInit() {
+    this.isLoading = true;
+  }
+
+  ngOnChanges() {
+    if (!this.currentPeg || !this.currentReserves || this.currentPeg.amount === '0') {
+      return;
+    }
+    this.ratioChartOptions = this.createChartOptions(this.currentPeg, this.currentReserves);
+  }
+
+  rendered() {
+    if (!this.currentPeg || !this.currentReserves) {
+      return;
+    }
+    this.isLoading = false;
+  }
+
+  createChartOptions(currentPeg: CurrentPegs, currentReserves: CurrentPegs): EChartsOption {
+    return {
+      series: [
+        {
+          type: 'gauge',
+          startAngle: 180,
+          endAngle: 0,
+          center: ['50%', '70%'],
+          radius: '100%',
+          min: 0.999,
+          max: 1.001,
+          splitNumber: 2,
+          axisLine: {
+            lineStyle: {
+              width: 6,
+              color: [
+                [0.49, '#D81B60'],
+                [1, '#7CB342']
+              ]
+            }
+          },
+          axisLabel: {
+            color: 'inherit',        
+            fontFamily: 'inherit',    
+          },
+          pointer: {
+            icon: 'path://M2090.36389,615.30999 L2090.36389,615.30999 C2091.48372,615.30999 2092.40383,616.194028 2092.44859,617.312956 L2096.90698,728.755929 C2097.05155,732.369577 2094.2393,735.416212 2090.62566,735.56078 C2090.53845,735.564269 2090.45117,735.566014 2090.36389,735.566014 L2090.36389,735.566014 C2086.74736,735.566014 2083.81557,732.63423 2083.81557,729.017692 C2083.81557,728.930412 2083.81732,728.84314 2083.82081,728.755929 L2088.2792,617.312956 C2088.32396,616.194028 2089.24407,615.30999 2090.36389,615.30999 Z',
+            length: '50%',
+            width: 16,
+            offsetCenter: [0, '-27%'],
+            itemStyle: {
+              color: 'auto'
+            }
+          },
+          axisTick: {
+            length: 12,
+            lineStyle: {
+              color: 'auto',
+              width: 2
+            }
+          },
+          splitLine: {
+            length: 20,
+            lineStyle: {
+              color: 'auto',
+              width: 5
+            }
+          },
+          title: {
+            show: true,
+            offsetCenter: [0, '-117.5%'],
+            fontSize: 18,
+            color: '#4a68b9',
+            fontFamily: 'inherit',
+            fontWeight: 500,
+          },
+          detail: {
+            fontSize: 25,
+            offsetCenter: [0, '-0%'],
+            valueAnimation: true,
+            fontFamily: 'inherit',
+            fontWeight: 500,
+            formatter: function (value) {
+              return (value).toFixed(5);
+            },
+            color: 'inherit'
+          },
+          data: [
+            {
+              value: parseFloat(currentReserves.amount) / parseFloat(currentPeg.amount),
+              name: 'Peg-O-Meter'
+            }
+          ]
+        }
+      ]
+    };
+  }
+}
+

frontend/src/app/components/liquid-reserves-audit/reserves-supply-stats/reserves-supply-stats.component.html

@@ -0,0 +1,44 @@
+<div *ngIf="(currentPeg$ | async) as currentPeg; else loadingData">
+  <div *ngIf="(currentReserves$ | async) as currentReserves; else loadingData">
+    <div class="fee-estimation-container">
+      <div class="item">
+        <h5 class="card-title" i18n="dashboard.lbtc-pegs-in-circulation">L-BTC in circulation</h5>
+        <div class="card-text">
+          <div class="fee-text">{{ (+currentPeg.amount) / 100000000 | number: '1.2-2' }} <span>L-BTC</span></div>
+          <span class="fiat">
+            <span>As of block&nbsp;<a [routerLink]="['/block', currentPeg.hash]">{{ currentPeg.lastBlockUpdate }}</a></span>
+          </span>
+        </div>
+      </div>
+      <div class="item">
+        <h5 class="card-title" i18n="dashboard.btc-reserves">BTC Reserves</h5>
+        <div class="card-text">
+          <div class="fee-text">{{ (+currentReserves.amount) / 100000000 | number: '1.2-2' }} <span style="color: #b86d12;">BTC</span></div>
+          <span class="fiat">
+            <span>As of block&nbsp;<a href="{{ env.MEMPOOL_WEBSITE_URL + '/block/' + currentReserves.hash }}" target="_blank" style="color:#b86d12">{{ currentReserves.lastBlockUpdate }}</a></span>
+          </span>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
+
+<ng-template #loadingData>
+  <div class="fee-estimation-container loading-container">
+    <div class="item">
+      <h5 class="card-title" i18n="dashboard.lbtc-pegs-in-circulation">L-BTC in circulation</h5>
+      <div class="card-text">
+        <div class="skeleton-loader"></div>
+        <div class="skeleton-loader"></div>
+      </div>
+    </div>
+    <div class="item">
+      <h5 class="card-title" i18n="dashboard.btc-reserves">BTC Reserves</h5>
+      <div class="card-text">
+        <div class="skeleton-loader"></div>
+        <div class="skeleton-loader"></div>
+      </div>
+    </div>
+  </div>
+</ng-template>
+

frontend/src/app/components/liquid-reserves-audit/reserves-supply-stats/reserves-supply-stats.component.scss

@@ -0,0 +1,73 @@
+.fee-estimation-container {
+  display: flex;
+  justify-content: space-between;
+  @media (min-width: 376px) {
+    flex-direction: row;
+  }  
+  .item {
+    max-width: 150px;
+    margin: 0;
+    width: -webkit-fill-available;
+    @media (min-width: 376px) {
+      margin: 0 auto 0px;
+    }
+
+    .card-title {
+      color: #4a68b9;
+      font-size: 10px;
+      margin-bottom: 4px;  
+      font-size: 1rem;
+      overflow: hidden;
+      text-overflow: ellipsis;
+      white-space: nowrap;
+    }
+
+    .card-text {
+      font-size: 22px;
+      span {
+        font-size: 11px;
+        position: relative;
+        top: -2px;
+      }
+    }
+    
+    &:last-child {
+      margin-bottom: 0;
+    }
+    .card-text span {
+      color: #ffffff66;
+      font-size: 12px;
+      top: 0px;
+    }
+    .fee-text{
+      border-bottom: 1px solid #ffffff1c;
+      width: fit-content;
+      margin: auto;
+      line-height: 1.45;
+      padding: 0px 2px;
+    }
+    .fiat {
+      display: block;
+      font-size: 14px !important;
+    }
+  }
+}
+
+.loading-container{
+  min-height: 76px;
+}
+
+.card-text {
+  .skeleton-loader {
+    width: 100%;
+    display: block;
+    &:first-child {
+      max-width: 90px;
+      margin: 15px auto 3px;
+    }
+    &:last-child {
+      margin: 10px auto 3px;
+      max-width: 55px;
+    }
+  }
+}

frontend/src/app/components/liquid-reserves-audit/reserves-supply-stats/reserves-supply-stats.component.ts

@@ -0,0 +1,24 @@
+import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
+import { Observable } from 'rxjs';
+import { Env, StateService } from '../../../services/state.service';
+import { CurrentPegs } from '../../../interfaces/node-api.interface';
+
+@Component({
+  selector: 'app-reserves-supply-stats',
+  templateUrl: './reserves-supply-stats.component.html',
+  styleUrls: ['./reserves-supply-stats.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ReservesSupplyStatsComponent implements OnInit {
+  @Input() currentReserves$: Observable<CurrentPegs>;
+  @Input() currentPeg$: Observable<CurrentPegs>;
+
+  env: Env;
+
+  constructor(private stateService: StateService) { }
+
+  ngOnInit(): void {
+    this.env = this.stateService.env;
+  }
+
+}

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

@@ -540,7 +540,7 @@
               </ng-container>
             </ng-template>
           </div>
-          <button *ngIf="cpfpInfo.bestDescendant || cpfpInfo.descendants?.length || cpfpInfo.ancestors?.length" type="button" class="btn btn-outline-info btn-sm btn-small-height float-right" (click)="showCpfpDetails = !showCpfpDetails">CPFP <fa-icon [icon]="['fas', 'info-circle']" [fixedWidth]="true"></fa-icon></button>
+          <button *ngIf="cpfpInfo?.bestDescendant || cpfpInfo?.descendants?.length || cpfpInfo?.ancestors?.length" type="button" class="btn btn-outline-info btn-sm btn-small-height float-right" (click)="showCpfpDetails = !showCpfpDetails">CPFP <fa-icon [icon]="['fas', 'info-circle']" [fixedWidth]="true"></fa-icon></button>
         </td>
       </tr>
     </tbody>

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

@@ -508,7 +508,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
           }
         }
       }
-      if (!found && txFeePerVSize < mempoolBlocks[mempoolBlocks.length - 1].feeRange[0]) {
+      if (!found && mempoolBlocks.length && txFeePerVSize < mempoolBlocks[mempoolBlocks.length - 1].feeRange[0]) {
         this.txInBlockIndex = 7;
       }
     });

frontend/src/app/dashboard/dashboard.component.html

@@ -33,7 +33,7 @@
             </ng-container>
           </ng-template>
           <ng-template #liquidPegs>
-            <app-lbtc-pegs-graph [data]="liquidPegsMonth$ | async"></app-lbtc-pegs-graph>
+            <app-lbtc-pegs-graph [data]="fullHistory$ | async"></app-lbtc-pegs-graph>
           </ng-template>
         </div>
       </div>
@@ -270,8 +270,16 @@
   <div class="mempool-info-data">
     <div class="item">
       <h5 class="card-title" i18n="dashboard.lbtc-pegs-in-circulation">L-BTC in circulation</h5>
-      <ng-container *ngIf="(liquidPegsMonth$ | async) as liquidPegsMonth; else loadingTransactions">
+      <ng-container *ngIf="(currentPeg$ | async) as currentPeg; else loadingTransactions">
-        <p class="card-text">{{ liquidPegsMonth.series.slice(-1)[0] | number: '1.2-2' }} <span>L-BTC</span></p>
+        <p i18n-ngbTooltip="liquid.last-elements-audit-block" [ngbTooltip]="'L-BTC supply last updated at Liquid block ' + (currentPeg.lastBlockUpdate)" placement="top" class="card-text">{{ (+currentPeg.amount) / 100000000 | number: '1.2-2' }} <span>L-BTC</span></p>
+      </ng-container>
+    </div>
+    <div class="item">
+      <a class="title-link" [routerLink]="['/audit' | relativeUrl]">
+        <h5 class="card-title"><ng-container i18n="dashboard.btc-reserves">BTC Reserves</ng-container>&nbsp;<fa-icon [icon]="['fas', 'external-link-alt']" [fixedWidth]="true" style="font-size: 13px; color: #4a68b9"></fa-icon></h5>
+      </a>
+      <ng-container *ngIf="(currentReserves$ | async) as currentReserves; else loadingTransactions">
+        <p i18n-ngbTooltip="liquid.last-bitcoin-audit-block" [ngbTooltip]="'BTC reserves last updated at Bitcoin block ' + (currentReserves.lastBlockUpdate)" placement="top" class="card-text">{{ +(currentReserves.amount) / 100000000 | number: '1.2-2' }} <span class="bitcoin-color">BTC</span></p>
       </ng-container>
     </div>
   </div>

frontend/src/app/dashboard/dashboard.component.scss

@@ -97,6 +97,9 @@
         color: #ffffff66;
         font-size: 12px;
       }
+      .bitcoin-color {
+        color: #b86d12;
+      }
     }
     .progress {
       width: 90%;

frontend/src/app/dashboard/dashboard.component.ts

@@ -1,7 +1,7 @@
 import { AfterViewInit, ChangeDetectionStrategy, Component, OnDestroy, OnInit } from '@angular/core';
-import { combineLatest, merge, Observable, of, Subscription } from 'rxjs';
+import { combineLatest, EMPTY, merge, Observable, of, Subject, Subscription, timer } from 'rxjs';
-import { catchError, filter, map, scan, share, switchMap, tap } from 'rxjs/operators';
+import { catchError, delayWhen, filter, map, scan, share, shareReplay, startWith, switchMap, takeUntil, tap, throttleTime } from 'rxjs/operators';
-import { BlockExtended, OptimizedMempoolStats } from '../interfaces/node-api.interface';
+import { AuditStatus, BlockExtended, CurrentPegs, OptimizedMempoolStats } from '../interfaces/node-api.interface';
 import { MempoolInfo, TransactionStripped, ReplacementInfo } from '../interfaces/websocket.interface';
 import { ApiService } from '../services/api.service';
 import { StateService } from '../services/state.service';
@@ -47,8 +47,20 @@ export class DashboardComponent implements OnInit, OnDestroy, AfterViewInit {
   transactionsWeightPerSecondOptions: any;
   isLoadingWebSocket$: Observable<boolean>;
   liquidPegsMonth$: Observable<any>;
+  currentPeg$: Observable<CurrentPegs>;
+  auditStatus$: Observable<AuditStatus>;
+  auditUpdated$: Observable<boolean>;
+  liquidReservesMonth$: Observable<any>;
+  currentReserves$: Observable<CurrentPegs>;
+  fullHistory$: Observable<any>;
+  isLoad: boolean = true;
   currencySubscription: Subscription;
   currency: string;
+  private lastPegBlockUpdate: number = 0;
+  private lastPegAmount: string = '';
+  private lastReservesBlockUpdate: number = 0;
+
+  private destroy$ = new Subject();
 
   constructor(
     public stateService: StateService,
@@ -64,6 +76,8 @@ export class DashboardComponent implements OnInit, OnDestroy, AfterViewInit {
   ngOnDestroy(): void {
     this.currencySubscription.unsubscribe();
     this.websocketService.stopTrackRbfSummary();
+    this.destroy$.next(1);
+    this.destroy$.complete();
   }
 
   ngOnInit(): void {
@@ -82,35 +96,35 @@ export class DashboardComponent implements OnInit, OnDestroy, AfterViewInit {
       this.stateService.mempoolInfo$,
       this.stateService.vbytesPerSecond$
     ])
-    .pipe(
+      .pipe(
-      map(([mempoolInfo, vbytesPerSecond]) => {
+        map(([mempoolInfo, vbytesPerSecond]) => {
-        const percent = Math.round((Math.min(vbytesPerSecond, this.vBytesPerSecondLimit) / this.vBytesPerSecondLimit) * 100);
+          const percent = Math.round((Math.min(vbytesPerSecond, this.vBytesPerSecondLimit) / this.vBytesPerSecondLimit) * 100);
 
-        let progressColor = 'bg-success';
+          let progressColor = 'bg-success';
-        if (vbytesPerSecond > 1667) {
+          if (vbytesPerSecond > 1667) {
-          progressColor = 'bg-warning';
+            progressColor = 'bg-warning';
-        }
+          }
-        if (vbytesPerSecond > 3000) {
+          if (vbytesPerSecond > 3000) {
-          progressColor = 'bg-danger';
+            progressColor = 'bg-danger';
-        }
+          }
 
-        const mempoolSizePercentage = (mempoolInfo.usage / mempoolInfo.maxmempool * 100);
+          const mempoolSizePercentage = (mempoolInfo.usage / mempoolInfo.maxmempool * 100);
-        let mempoolSizeProgress = 'bg-danger';
+          let mempoolSizeProgress = 'bg-danger';
-        if (mempoolSizePercentage <= 50) {
+          if (mempoolSizePercentage <= 50) {
-          mempoolSizeProgress = 'bg-success';
+            mempoolSizeProgress = 'bg-success';
-        } else if (mempoolSizePercentage <= 75) {
+          } else if (mempoolSizePercentage <= 75) {
-          mempoolSizeProgress = 'bg-warning';
+            mempoolSizeProgress = 'bg-warning';
-        }
+          }
 
-        return {
+          return {
-          memPoolInfo: mempoolInfo,
+            memPoolInfo: mempoolInfo,
-          vBytesPerSecond: vbytesPerSecond,
+            vBytesPerSecond: vbytesPerSecond,
-          progressWidth: percent + '%',
+            progressWidth: percent + '%',
-          progressColor: progressColor,
+            progressColor: progressColor,
-          mempoolSizeProgress: mempoolSizeProgress,
+            mempoolSizeProgress: mempoolSizeProgress,
-        };
+          };
-      })
+        })
-    );
+      );
 
     this.mempoolBlocksData$ = this.stateService.mempoolBlocks$
       .pipe(
@@ -204,18 +218,114 @@ export class DashboardComponent implements OnInit, OnDestroy, AfterViewInit {
       );
 
     if (this.stateService.network === 'liquid' || this.stateService.network === 'liquidtestnet') {
-      this.liquidPegsMonth$ = this.apiService.listLiquidPegsMonth$()
+      this.auditStatus$ = this.stateService.blocks$.pipe(
+        takeUntil(this.destroy$),
+        throttleTime(40000),
+        delayWhen(_ => this.isLoad ? timer(0) : timer(2000)),
+        tap(() => this.isLoad = false),
+        switchMap(() => this.apiService.federationAuditSynced$()),
+        shareReplay(1)
+      );
+
+      ////////// Pegs historical data //////////
+      this.liquidPegsMonth$ = this.auditStatus$.pipe(
+        throttleTime(60 * 60 * 1000),
+        switchMap(() => this.apiService.listLiquidPegsMonth$()),
+        map((pegs) => {
+          const labels = pegs.map(stats => stats.date);
+          const series = pegs.map(stats => parseFloat(stats.amount) / 100000000);
+          series.reduce((prev, curr, i) => series[i] = prev + curr, 0);
+          return {
+            series,
+            labels
+          };
+        }),
+        share(),
+      );
+
+      this.currentPeg$ = this.auditStatus$.pipe(
+        switchMap(_ =>
+          this.apiService.liquidPegs$().pipe(
+            filter((currentPegs) => currentPegs.lastBlockUpdate >= this.lastPegBlockUpdate),
+            tap((currentPegs) => {
+              this.lastPegBlockUpdate = currentPegs.lastBlockUpdate;
+            })
+          )
+        ),
+        share()
+      );
+
+      ////////// BTC Reserves historical data //////////
+      this.auditUpdated$ = combineLatest([
+        this.auditStatus$,
+        this.currentPeg$
+      ]).pipe(
+        filter(([auditStatus, _]) => auditStatus.isAuditSynced === true),
+        map(([auditStatus, currentPeg]) => ({
+          lastBlockAudit: auditStatus.lastBlockAudit,
+          currentPegAmount: currentPeg.amount
+        })),
+        switchMap(({ lastBlockAudit, currentPegAmount }) => {
+          const blockAuditCheck = lastBlockAudit > this.lastReservesBlockUpdate;
+          const amountCheck = currentPegAmount !== this.lastPegAmount;
+          this.lastPegAmount = currentPegAmount;
+          return of(blockAuditCheck || amountCheck);
+        })
+      );
+
+      this.liquidReservesMonth$ = this.auditStatus$.pipe(
+        throttleTime(60 * 60 * 1000),
+        switchMap((auditStatus) => {
+          return auditStatus.isAuditSynced ? this.apiService.listLiquidReservesMonth$() : EMPTY;
+        }),
+        map(reserves => {
+          const labels = reserves.map(stats => stats.date);
+          const series = reserves.map(stats => parseFloat(stats.amount) / 100000000);
+          return {
+            series,
+            labels
+          };
+        }),
+        share()
+      );
+
+      this.currentReserves$ = this.auditUpdated$.pipe(
+        filter(auditUpdated => auditUpdated === true),
+        throttleTime(40000),
+        switchMap(_ =>
+          this.apiService.liquidReserves$().pipe(
+            filter((currentReserves) => currentReserves.lastBlockUpdate >= this.lastReservesBlockUpdate),
+            tap((currentReserves) => {
+              this.lastReservesBlockUpdate = currentReserves.lastBlockUpdate;
+            })
+          )
+        ),
+        share()
+      );
+
+      this.fullHistory$ = combineLatest([this.liquidPegsMonth$, this.currentPeg$, this.liquidReservesMonth$.pipe(startWith(null)), this.currentReserves$.pipe(startWith(null))])
         .pipe(
-          map((pegs) => {
+          map(([liquidPegs, currentPeg, liquidReserves, currentReserves]) => {
-            const labels = pegs.map(stats => stats.date);
+            liquidPegs.series[liquidPegs.series.length - 1] = parseFloat(currentPeg.amount) / 100000000;
-            const series = pegs.map(stats => parseFloat(stats.amount) / 100000000);
+
-            series.reduce((prev, curr, i) => series[i] = prev + curr, 0);
+            if (liquidPegs.series.length === liquidReserves?.series.length) {
+              liquidReserves.series[liquidReserves.series.length - 1] = parseFloat(currentReserves?.amount) / 100000000;
+            } else if (liquidPegs.series.length === liquidReserves?.series.length + 1) {
+              liquidReserves.series.push(parseFloat(currentReserves?.amount) / 100000000);
+              liquidReserves.labels.push(liquidPegs.labels[liquidPegs.labels.length - 1]);
+            } else {
+              liquidReserves = {
+                series: [],
+                labels: []
+              };
+            }
+
             return {
-              series,
+              liquidPegs,
-              labels
+              liquidReserves
             };
           }),
-          share(),
+          share()
         );
     }
 

frontend/src/app/graphs/echarts.ts

@@ -1,6 +1,6 @@
 // Import tree-shakeable echarts
 import * as echarts from 'echarts/core';
-import { LineChart, LinesChart, BarChart, TreemapChart, PieChart, ScatterChart } from 'echarts/charts';
+import { LineChart, LinesChart, BarChart, TreemapChart, PieChart, ScatterChart, GaugeChart } from 'echarts/charts';
 import { TitleComponent, TooltipComponent, GridComponent, LegendComponent, GeoComponent, DataZoomComponent, VisualMapComponent, MarkLineComponent } from 'echarts/components';
 import { SVGRenderer, CanvasRenderer } from 'echarts/renderers';
 // Typescript interfaces
@@ -12,6 +12,6 @@ echarts.use([
   TitleComponent, TooltipComponent, GridComponent,
   LegendComponent, GeoComponent, DataZoomComponent,
   VisualMapComponent, MarkLineComponent,
-  LineChart, LinesChart, BarChart, TreemapChart, PieChart, ScatterChart
+  LineChart, LinesChart, BarChart, TreemapChart, PieChart, ScatterChart, GaugeChart
 ]);
 export { echarts, EChartsOption, TreemapSeriesOption, LineSeriesOption, PieSeriesOption };

frontend/src/app/interfaces/node-api.interface.ts

@@ -76,6 +76,46 @@ export interface LiquidPegs {
   date: string;
 }
 
+export interface CurrentPegs {
+  amount: string;
+  lastBlockUpdate: number;
+  hash: string;
+}
+
+export interface FederationAddress { 
+  bitcoinaddress: string;
+  balance: string;
+}
+
+export interface FederationUtxo {
+  txid: string;
+  txindex: number;
+  bitcoinaddress: string;
+  amount: number;
+  blocknumber: number;
+  blocktime: number;
+  pegtxid: string;
+  pegindex: number;
+  pegblocktime: number;
+}
+
+export interface RecentPeg {
+  txid: string;
+  txindex: number;
+  amount: number;
+  bitcoinaddress: string;
+  bitcointxid: string;
+  bitcoinindex: number;
+  blocktime: number;
+}
+
+export interface AuditStatus {
+  bitcoinBlocks: number;
+  bitcoinHeaders: number;
+  lastBlockAudit: number;
+  isAuditSynced: boolean;
+}
+
 export interface ITranslators { [language: string]: string; }
 
 /**

frontend/src/app/liquid/liquid-master-page.module.ts

@@ -2,8 +2,10 @@ import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { Routes, RouterModule } from '@angular/router';
 import { SharedModule } from '../shared/shared.module';
+import { NgxEchartsModule } from 'ngx-echarts';
 import { LiquidMasterPageComponent } from '../components/liquid-master-page/liquid-master-page.component';
 
+
 import { StartComponent } from '../components/start/start.component';
 import { AddressComponent } from '../components/address/address.component';
 import { PushTransactionComponent } from '../components/push-transaction/push-transaction.component';
@@ -13,6 +15,17 @@ import { AssetsComponent } from '../components/assets/assets.component';
 import { AssetsFeaturedComponent } from '../components/assets/assets-featured/assets-featured.component'
 import { AssetComponent } from '../components/asset/asset.component';
 import { AssetsNavComponent } from '../components/assets/assets-nav/assets-nav.component';
+import { ReservesAuditDashboardComponent } from '../components/liquid-reserves-audit/reserves-audit-dashboard/reserves-audit-dashboard.component';
+import { ReservesSupplyStatsComponent } from '../components/liquid-reserves-audit/reserves-supply-stats/reserves-supply-stats.component';
+import { RecentPegsStatsComponent } from '../components/liquid-reserves-audit/recent-pegs-stats/recent-pegs-stats.component';
+import { RecentPegsListComponent } from '../components/liquid-reserves-audit/recent-pegs-list/recent-pegs-list.component';
+import { FederationWalletComponent } from '../components/liquid-reserves-audit/federation-wallet/federation-wallet.component';
+import { FederationUtxosListComponent } from '../components/liquid-reserves-audit/federation-utxos-list/federation-utxos-list.component';
+import { FederationAddressesStatsComponent } from '../components/liquid-reserves-audit/federation-addresses-stats/federation-addresses-stats.component';
+import { FederationAddressesListComponent } from '../components/liquid-reserves-audit/federation-addresses-list/federation-addresses-list.component';
+import { ReservesRatioComponent } from '../components/liquid-reserves-audit/reserves-ratio/reserves-ratio.component';
+import { ReservesRatioStatsComponent } from '../components/liquid-reserves-audit/reserves-ratio-stats/reserves-ratio-stats.component';
+import { ReservesRatioGraphComponent } from '../components/liquid-reserves-audit/reserves-ratio/reserves-ratio-graph.component';
 
 const routes: Routes = [
   {
@@ -64,6 +77,44 @@ const routes: Routes = [
         data: { preload: true, networkSpecific: true },
         loadChildren: () => import('../components/block/block.module').then(m => m.BlockModule),
       },
+      {
+        path: 'audit',
+        data: { networks: ['liquid'] },
+        component: StartComponent,
+        children: [
+          {
+            path: '',
+            data: { networks: ['liquid'] },
+            component: ReservesAuditDashboardComponent,
+          }
+        ]
+      },
+      {
+        path: 'audit/wallet',
+        data: { networks: ['liquid'] },
+        component: FederationWalletComponent,
+        children: [
+          {
+            path: 'utxos',
+            data: { networks: ['liquid'] },
+            component: FederationUtxosListComponent,
+          },
+          {
+            path: 'addresses',
+            data: { networks: ['liquid'] },
+            component: FederationAddressesListComponent,
+          },
+          {
+            path: '**',
+            redirectTo: 'utxos'
+          }
+        ]
+      },
+      {
+        path: 'audit/pegs',
+        data: { networks: ['liquid'] },
+        component: RecentPegsListComponent,
+      },
       {
         path: 'assets',
         data: { networks: ['liquid'] },
@@ -123,9 +174,23 @@ export class LiquidRoutingModule { }
     CommonModule,
     LiquidRoutingModule,
     SharedModule,
+    NgxEchartsModule.forRoot({
+      echarts: () => import('../graphs/echarts').then(m => m.echarts),
+    })
   ],
   declarations: [
     LiquidMasterPageComponent,
+    ReservesAuditDashboardComponent,
+    ReservesSupplyStatsComponent,
+    RecentPegsStatsComponent,
+    RecentPegsListComponent,
+    FederationWalletComponent,
+    FederationUtxosListComponent,
+    FederationAddressesStatsComponent,
+    FederationAddressesListComponent,
+    ReservesRatioComponent,
+    ReservesRatioStatsComponent,
+    ReservesRatioGraphComponent,
   ]
 })
 export class LiquidMasterPageModule { }

frontend/src/app/services/api.service.ts

@@ -1,7 +1,7 @@
 import { Injectable } from '@angular/core';
 import { HttpClient, HttpParams, HttpResponse } from '@angular/common/http';
 import { CpfpInfo, OptimizedMempoolStats, AddressInformation, LiquidPegs, ITranslators,
-  PoolStat, BlockExtended, TransactionStripped, RewardStats, AuditScore, BlockSizesAndWeights, RbfTree, BlockAudit } from '../interfaces/node-api.interface';
+  PoolStat, BlockExtended, TransactionStripped, RewardStats, AuditScore, BlockSizesAndWeights, RbfTree, BlockAudit, Acceleration, AccelerationHistoryParams, CurrentPegs, AuditStatus, FederationAddress, FederationUtxo, RecentPeg } from '../interfaces/node-api.interface';
 import { BehaviorSubject, Observable, catchError, filter, of, shareReplay, take, tap } from 'rxjs';
 import { StateService } from './state.service';
 import { Transaction } from '../interfaces/electrs.interface';
@@ -168,10 +168,46 @@ export class ApiService {
     return this.httpClient.get<RbfTree[]>(this.apiBaseUrl + this.apiBasePath + '/api/v1/' + (fullRbf ? 'fullrbf/' : '') + 'replacements/' + (after || ''));
   }
 
+  liquidPegs$(): Observable<CurrentPegs> {
+    return this.httpClient.get<CurrentPegs>(this.apiBaseUrl + this.apiBasePath + '/api/v1/liquid/pegs');
+  }
+
   listLiquidPegsMonth$(): Observable<LiquidPegs[]> {
     return this.httpClient.get<LiquidPegs[]>(this.apiBaseUrl + this.apiBasePath + '/api/v1/liquid/pegs/month');
   }
 
+  liquidReserves$(): Observable<CurrentPegs> {
+    return this.httpClient.get<CurrentPegs>(this.apiBaseUrl + this.apiBasePath + '/api/v1/liquid/reserves');
+  }
+
+  listLiquidReservesMonth$(): Observable<LiquidPegs[]> {
+    return this.httpClient.get<LiquidPegs[]>(this.apiBaseUrl + this.apiBasePath + '/api/v1/liquid/reserves/month');
+  }
+
+  federationAuditSynced$(): Observable<AuditStatus> {
+    return this.httpClient.get<AuditStatus>(this.apiBaseUrl + this.apiBasePath + '/api/v1/liquid/reserves/status');
+  }
+
+  federationAddresses$(): Observable<FederationAddress[]> {
+    return this.httpClient.get<FederationAddress[]>(this.apiBaseUrl + this.apiBasePath + '/api/v1/liquid/reserves/addresses');
+  }
+
+  federationUtxos$(): Observable<FederationUtxo[]> {
+    return this.httpClient.get<FederationUtxo[]>(this.apiBaseUrl + this.apiBasePath + '/api/v1/liquid/reserves/utxos');
+  }
+
+  recentPegOuts$(): Observable<RecentPeg[]> {
+    return this.httpClient.get<RecentPeg[]>(this.apiBaseUrl + this.apiBasePath + '/api/v1/liquid/pegouts');
+  }
+
+  federationAddressesOneMonthAgo$(): Observable<any> {
+    return this.httpClient.get<FederationAddress[]>(this.apiBaseUrl + this.apiBasePath + '/api/v1/liquid/reserves/addresses/previous-month');
+  }
+
+  federationUtxosOneMonthAgo$(): Observable<any> {
+    return this.httpClient.get<FederationUtxo[]>(this.apiBaseUrl + this.apiBasePath + '/api/v1/liquid/reserves/utxos/previous-month');
+  }
+
   listFeaturedAssets$(): Observable<any[]> {
     return this.httpClient.get<any[]>(this.apiBaseUrl + '/api/v1/assets/featured');
   }

frontend/src/app/shared/shared.module.ts

@@ -4,7 +4,7 @@ import { NgbCollapseModule, NgbTypeaheadModule } from '@ng-bootstrap/ng-bootstra
 import { FontAwesomeModule, FaIconLibrary } from '@fortawesome/angular-fontawesome';
 import { faFilter, faAngleDown, faAngleUp, faAngleRight, faAngleLeft, faBolt, faChartArea, faCogs, faCubes, faHammer, faDatabase, faExchangeAlt, faInfoCircle,
   faLink, faList, faSearch, faCaretUp, faCaretDown, faTachometerAlt, faThList, faTint, faTv, faClock, faAngleDoubleDown, faSortUp, faAngleDoubleUp, faChevronDown,
-  faFileAlt, faRedoAlt, faArrowAltCircleRight, faExternalLinkAlt, faBook, faListUl, faDownload, faQrcode, faArrowRightArrowLeft, faArrowsRotate, faCircleLeft, faFastForward, faWallet, faUserClock, faWrench, faUserFriends, faQuestionCircle, faHistory, faSignOutAlt, faKey, faSuitcase, faIdCardAlt, faNetworkWired, faUserCheck, faCircleCheck, faUserCircle, faCheck, faRocket } from '@fortawesome/free-solid-svg-icons';
+  faFileAlt, faRedoAlt, faArrowAltCircleRight, faExternalLinkAlt, faBook, faListUl, faDownload, faQrcode, faArrowRightArrowLeft, faArrowsRotate, faCircleLeft, faFastForward, faWallet, faUserClock, faWrench, faUserFriends, faQuestionCircle, faHistory, faSignOutAlt, faKey, faSuitcase, faIdCardAlt, faNetworkWired, faUserCheck, faCircleCheck, faUserCircle, faCheck, faRocket, faScaleBalanced } from '@fortawesome/free-solid-svg-icons';
 import { InfiniteScrollModule } from 'ngx-infinite-scroll';
 import { MenuComponent } from '../components/menu/menu.component';
 import { PreviewTitleComponent } from '../components/master-page-preview/preview-title.component';
@@ -385,5 +385,6 @@ export class SharedModule {
     library.addIcons(faUserCircle);
     library.addIcons(faCheck);
     library.addIcons(faRocket);
+    library.addIcons(faScaleBalanced);
   }
 }