strip non-essential data from redis cache txs

store redis mempool in sharded json object
Add network and schema versioning to redis cache
2023-07-25 16:35:21 +09:00 · 2023-07-25 16:12:39 +09:00 · 2023-07-25 16:12:39 +09:00 · 2023-07-25 16:12:38 +09:00 · 2023-07-25 16:12:38 +09:00 · 2023-07-25 16:12:38 +09:00
51 changed files with 1121 additions and 448 deletions
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -19,6 +19,7 @@
        "maxmind": "~4.3.11",
        "mysql2": "~3.5.2",
        "rust-gbt": "file:./rust-gbt",
+        "redis": "^4.6.6",
        "socks-proxy-agent": "~7.0.0",
        "typescript": "~4.9.3",
        "ws": "~8.13.0"
@@ -1555,6 +1556,64 @@
        "node": ">= 8"
      }
    },
+    "node_modules/@redis/bloom": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@redis/bloom/-/bloom-1.2.0.tgz",
+      "integrity": "sha512-HG2DFjYKbpNmVXsa0keLHp/3leGJz1mjh09f2RLGGLQZzSHpkmZWuwJbAvo3QcRY8p80m5+ZdXZdYOSBLlp7Cg==",
+      "peerDependencies": {
+        "@redis/client": "^1.0.0"
+      }
+    },
+    "node_modules/@redis/client": {
+      "version": "1.5.7",
+      "resolved": "https://registry.npmjs.org/@redis/client/-/client-1.5.7.tgz",
+      "integrity": "sha512-gaOBOuJPjK5fGtxSseaKgSvjiZXQCdLlGg9WYQst+/GRUjmXaiB5kVkeQMRtPc7Q2t93XZcJfBMSwzs/XS9UZw==",
+      "dependencies": {
+        "cluster-key-slot": "1.1.2",
+        "generic-pool": "3.9.0",
+        "yallist": "4.0.0"
+      },
+      "engines": {
+        "node": ">=14"
+      }
+    },
+    "node_modules/@redis/client/node_modules/yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+    },
+    "node_modules/@redis/graph": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@redis/graph/-/graph-1.1.0.tgz",
+      "integrity": "sha512-16yZWngxyXPd+MJxeSr0dqh2AIOi8j9yXKcKCwVaKDbH3HTuETpDVPcLujhFYVPtYrngSco31BUcSa9TH31Gqg==",
+      "peerDependencies": {
+        "@redis/client": "^1.0.0"
+      }
+    },
+    "node_modules/@redis/json": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/@redis/json/-/json-1.0.4.tgz",
+      "integrity": "sha512-LUZE2Gdrhg0Rx7AN+cZkb1e6HjoSKaeeW8rYnt89Tly13GBI5eP4CwDVr+MY8BAYfCg4/N15OUrtLoona9uSgw==",
+      "peerDependencies": {
+        "@redis/client": "^1.0.0"
+      }
+    },
+    "node_modules/@redis/search": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@redis/search/-/search-1.1.2.tgz",
+      "integrity": "sha512-/cMfstG/fOh/SsE+4/BQGeuH/JJloeWuH+qJzM8dbxuWvdWibWAOAHHCZTMPhV3xIlH4/cUEIA8OV5QnYpaVoA==",
+      "peerDependencies": {
+        "@redis/client": "^1.0.0"
+      }
+    },
+    "node_modules/@redis/time-series": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/@redis/time-series/-/time-series-1.0.4.tgz",
+      "integrity": "sha512-ThUIgo2U/g7cCuZavucQTQzA9g9JbDDY2f64u3AbAoz/8vE2lt2U37LamDUVChhaDA3IRT9R6VvJwqnUfTJzng==",
+      "peerDependencies": {
+        "@redis/client": "^1.0.0"
+      }
+    },
    "node_modules/@sinclair/typebox": {
      "version": "0.25.24",
      "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.25.24.tgz",
@@ -2718,6 +2777,14 @@
        "node": ">=12"
      }
    },
+    "node_modules/cluster-key-slot": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/cluster-key-slot/-/cluster-key-slot-1.1.2.tgz",
+      "integrity": "sha512-RMr0FhtfXemyinomL4hrWcYJxmX6deFdCxpJzhDttxgO1+bcCnkk+9drydLVDmAMG7NE6aN/fl4F7ucU/90gAA==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
    "node_modules/co": {
      "version": "4.6.0",
      "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
@@ -3678,6 +3745,14 @@
        "is-property": "^1.0.2"
      }
    },
+    "node_modules/generic-pool": {
+      "version": "3.9.0",
+      "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-3.9.0.tgz",
+      "integrity": "sha512-hymDOu5B53XvN4QT9dBmZxPX4CWhBPPLguTZ9MMFeFa/Kg0xWVfylOVNlJji/E7yTZWFd/q9GO5TxDLq156D7g==",
+      "engines": {
+        "node": ">= 4"
+      }
+    },
    "node_modules/gensync": {
      "version": "1.0.0-beta.2",
      "resolved": "https://registry.npmjs.org/gensync/-/gensync-1.0.0-beta.2.tgz",
@@ -6577,6 +6652,19 @@
      "integrity": "sha512-xWGDIW6x921xtzPkhiULtthJHoJvBbF3q26fzloPCK0hsvxtPVelvftw3zjbHWSkR2km9Z+4uxbDDK/6Zw9B8w==",
      "dev": true
    },
+    "node_modules/redis": {
+      "version": "4.6.6",
+      "resolved": "https://registry.npmjs.org/redis/-/redis-4.6.6.tgz",
+      "integrity": "sha512-aLs2fuBFV/VJ28oLBqYykfnhGGkFxvx0HdCEBYdJ99FFbSEMZ7c1nVKwR6ZRv+7bb7JnC0mmCzaqu8frgOYhpA==",
+      "dependencies": {
+        "@redis/bloom": "1.2.0",
+        "@redis/client": "1.5.7",
+        "@redis/graph": "1.1.0",
+        "@redis/json": "1.0.4",
+        "@redis/search": "1.1.2",
+        "@redis/time-series": "1.0.4"
+      }
+    },
    "node_modules/require-directory": {
      "version": "2.1.1",
      "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -8704,6 +8792,53 @@
        "fastq": "^1.6.0"
      }
    },
+    "@redis/bloom": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@redis/bloom/-/bloom-1.2.0.tgz",
+      "integrity": "sha512-HG2DFjYKbpNmVXsa0keLHp/3leGJz1mjh09f2RLGGLQZzSHpkmZWuwJbAvo3QcRY8p80m5+ZdXZdYOSBLlp7Cg==",
+      "requires": {}
+    },
+    "@redis/client": {
+      "version": "1.5.7",
+      "resolved": "https://registry.npmjs.org/@redis/client/-/client-1.5.7.tgz",
+      "integrity": "sha512-gaOBOuJPjK5fGtxSseaKgSvjiZXQCdLlGg9WYQst+/GRUjmXaiB5kVkeQMRtPc7Q2t93XZcJfBMSwzs/XS9UZw==",
+      "requires": {
+        "cluster-key-slot": "1.1.2",
+        "generic-pool": "3.9.0",
+        "yallist": "4.0.0"
+      },
+      "dependencies": {
+        "yallist": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+          "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+        }
+      }
+    },
+    "@redis/graph": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@redis/graph/-/graph-1.1.0.tgz",
+      "integrity": "sha512-16yZWngxyXPd+MJxeSr0dqh2AIOi8j9yXKcKCwVaKDbH3HTuETpDVPcLujhFYVPtYrngSco31BUcSa9TH31Gqg==",
+      "requires": {}
+    },
+    "@redis/json": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/@redis/json/-/json-1.0.4.tgz",
+      "integrity": "sha512-LUZE2Gdrhg0Rx7AN+cZkb1e6HjoSKaeeW8rYnt89Tly13GBI5eP4CwDVr+MY8BAYfCg4/N15OUrtLoona9uSgw==",
+      "requires": {}
+    },
+    "@redis/search": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@redis/search/-/search-1.1.2.tgz",
+      "integrity": "sha512-/cMfstG/fOh/SsE+4/BQGeuH/JJloeWuH+qJzM8dbxuWvdWibWAOAHHCZTMPhV3xIlH4/cUEIA8OV5QnYpaVoA==",
+      "requires": {}
+    },
+    "@redis/time-series": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/@redis/time-series/-/time-series-1.0.4.tgz",
+      "integrity": "sha512-ThUIgo2U/g7cCuZavucQTQzA9g9JbDDY2f64u3AbAoz/8vE2lt2U37LamDUVChhaDA3IRT9R6VvJwqnUfTJzng==",
+      "requires": {}
+    },
    "@sinclair/typebox": {
      "version": "0.25.24",
      "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.25.24.tgz",
@@ -9604,6 +9739,11 @@
        "wrap-ansi": "^7.0.0"
      }
    },
+    "cluster-key-slot": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/cluster-key-slot/-/cluster-key-slot-1.1.2.tgz",
+      "integrity": "sha512-RMr0FhtfXemyinomL4hrWcYJxmX6deFdCxpJzhDttxgO1+bcCnkk+9drydLVDmAMG7NE6aN/fl4F7ucU/90gAA=="
+    },
    "co": {
      "version": "4.6.0",
      "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
@@ -10332,6 +10472,11 @@
        "is-property": "^1.0.2"
      }
    },
+    "generic-pool": {
+      "version": "3.9.0",
+      "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-3.9.0.tgz",
+      "integrity": "sha512-hymDOu5B53XvN4QT9dBmZxPX4CWhBPPLguTZ9MMFeFa/Kg0xWVfylOVNlJji/E7yTZWFd/q9GO5TxDLq156D7g=="
+    },
    "gensync": {
      "version": "1.0.0-beta.2",
      "resolved": "https://registry.npmjs.org/gensync/-/gensync-1.0.0-beta.2.tgz",
@@ -12454,6 +12599,19 @@
      "integrity": "sha512-xWGDIW6x921xtzPkhiULtthJHoJvBbF3q26fzloPCK0hsvxtPVelvftw3zjbHWSkR2km9Z+4uxbDDK/6Zw9B8w==",
      "dev": true
    },
+    "redis": {
+      "version": "4.6.6",
+      "resolved": "https://registry.npmjs.org/redis/-/redis-4.6.6.tgz",
+      "integrity": "sha512-aLs2fuBFV/VJ28oLBqYykfnhGGkFxvx0HdCEBYdJ99FFbSEMZ7c1nVKwR6ZRv+7bb7JnC0mmCzaqu8frgOYhpA==",
+      "requires": {
+        "@redis/bloom": "1.2.0",
+        "@redis/client": "1.5.7",
+        "@redis/graph": "1.1.0",
+        "@redis/json": "1.0.4",
+        "@redis/search": "1.1.2",
+        "@redis/time-series": "1.0.4"
+      }
+    },
    "require-directory": {
      "version": "2.1.1",
      "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
--- a/backend/package.json
+++ b/backend/package.json
@@ -47,13 +47,14 @@
    "maxmind": "~4.3.11",
    "mysql2": "~3.5.2",
    "rust-gbt": "file:./rust-gbt",
+    "redis": "^4.6.6",
    "socks-proxy-agent": "~7.0.0",
    "typescript": "~4.9.3",
    "ws": "~8.13.0"
  },
  "devDependencies": {
-    "@babel/core": "^7.21.3",
    "@babel/code-frame": "^7.18.6",
+    "@babel/core": "^7.21.3",
    "@types/compression": "^1.7.2",
    "@types/crypto-js": "^4.1.1",
    "@types/express": "^4.17.17",
--- a/backend/src/fixtures/mempool-config.template.json
+++ b/backend/src/fixtures/mempool-config.template.json
@@ -10,6 +10,7 @@
    "AUTOMATIC_BLOCK_REINDEXING": false,
    "POLL_RATE_MS": 3,
    "CACHE_DIR": "__MEMPOOL_CACHE_DIR__",
+    "CACHE_ENABLED": true,
    "CLEAR_PROTECTION_MINUTES": 4,
    "RECOMMENDED_FEE_PERCENTILE": 5,
    "BLOCK_WEIGHT_UNITS": 6,
@@ -127,5 +128,9 @@
    "AUDIT": false,
    "AUDIT_START_HEIGHT": 774000,
    "SERVERS": []
+  },
+  "REDIS": {
+    "ENABLED": false,
+    "UNIX_SOCKET_PATH": "/tmp/redis.sock"
  }
 }
--- a/backend/src/tests/config.test.ts
+++ b/backend/src/tests/config.test.ts
@@ -23,6 +23,7 @@ describe('Mempool Backend Config', () => {
        AUTOMATIC_BLOCK_REINDEXING: false,
        POLL_RATE_MS: 2000,
        CACHE_DIR: './cache',
+        CACHE_ENABLED: true,
        CLEAR_PROTECTION_MINUTES: 20,
        RECOMMENDED_FEE_PERCENTILE: 50,
        BLOCK_WEIGHT_UNITS: 4000000,
@@ -127,6 +128,11 @@ describe('Mempool Backend Config', () => {
        AUDIT_START_HEIGHT: 774000,
        SERVERS: []
      });
+
+      expect(config.REDIS).toStrictEqual({
+        ENABLED: false,
+        UNIX_SOCKET_PATH: ''
+      });
    });
  });

@@ -160,6 +166,8 @@ describe('Mempool Backend Config', () => {
      expect(config.PRICE_DATA_SERVER).toStrictEqual(fixture.PRICE_DATA_SERVER);

      expect(config.EXTERNAL_DATA_SERVER).toStrictEqual(fixture.EXTERNAL_DATA_SERVER);
+
+      expect(config.REDIS).toStrictEqual(fixture.REDIS);
    });
  });

--- a/backend/src/api/bitcoin/bitcoin-api-abstract-factory.ts
+++ b/backend/src/api/bitcoin/bitcoin-api-abstract-factory.ts
@@ -3,10 +3,12 @@ import { IEsploraApi } from './esplora-api.interface';
 export interface AbstractBitcoinApi {
  $getRawMempool(): Promise<IEsploraApi.Transaction['txid'][]>;
  $getRawTransaction(txId: string, skipConversion?: boolean, addPrevout?: boolean, lazyPrevouts?: boolean): Promise<IEsploraApi.Transaction>;
+  $getMempoolTransactions(lastTxid: string);
  $getTransactionHex(txId: string): Promise<string>;
  $getBlockHeightTip(): Promise<number>;
  $getBlockHashTip(): Promise<string>;
  $getTxIdsForBlock(hash: string): Promise<string[]>;
+  $getTxsForBlock(hash: string): Promise<IEsploraApi.Transaction[]>;
  $getBlockHash(height: number): Promise<string>;
  $getBlockHeader(hash: string): Promise<string>;
  $getBlock(hash: string): Promise<IEsploraApi.Block>;
--- a/backend/src/api/bitcoin/bitcoin-api.ts
+++ b/backend/src/api/bitcoin/bitcoin-api.ts
@@ -5,6 +5,7 @@ import { IEsploraApi } from './esplora-api.interface';
 import blocks from '../blocks';
 import mempool from '../mempool';
 import { TransactionExtended } from '../../mempool.interfaces';
+import transactionUtils from '../transaction-utils';

 class BitcoinApi implements AbstractBitcoinApi {
  private rawMempoolCache: IBitcoinApi.RawMempool | null = null;
@@ -59,9 +60,20 @@ class BitcoinApi implements AbstractBitcoinApi {
      });
  }

-  $getTransactionHex(txId: string): Promise<string> {
-    return this.$getRawTransaction(txId, true)
-      .then((tx) => tx.hex || '');
+  $getMempoolTransactions(lastTxid: string): Promise<IEsploraApi.Transaction[]> {
+    return Promise.resolve([]);
+  }
+
+  async $getTransactionHex(txId: string): Promise<string> {
+    const txInMempool = mempool.getMempool()[txId];
+    if (txInMempool && txInMempool.hex) {
+      return txInMempool.hex;
+    }
+
+    return this.bitcoindClient.getRawTransaction(txId, true)
+      .then((transaction: IBitcoinApi.Transaction) => {
+        return transaction.hex;
+      });
  }

  $getBlockHeightTip(): Promise<number> {
@@ -77,6 +89,10 @@ class BitcoinApi implements AbstractBitcoinApi {
      .then((rpcBlock: IBitcoinApi.Block) => rpcBlock.tx);
  }

+  $getTxsForBlock(hash: string): Promise<IEsploraApi.Transaction[]> {
+    throw new Error('Method getTxsForBlock not supported by the Bitcoin RPC API.');
+  }
+
  $getRawBlock(hash: string): Promise<Buffer> {
    return this.bitcoindClient.getBlock(hash, 0)
      .then((raw: string) => Buffer.from(raw, "hex"));
@@ -201,7 +217,7 @@ class BitcoinApi implements AbstractBitcoinApi {
        scriptpubkey: vout.scriptPubKey.hex,
        scriptpubkey_address: vout.scriptPubKey && vout.scriptPubKey.address ? vout.scriptPubKey.address
          : vout.scriptPubKey.addresses ? vout.scriptPubKey.addresses[0] : '',
-        scriptpubkey_asm: vout.scriptPubKey.asm ? this.convertScriptSigAsm(vout.scriptPubKey.hex) : '',
+        scriptpubkey_asm: vout.scriptPubKey.asm ? transactionUtils.convertScriptSigAsm(vout.scriptPubKey.hex) : '',
        scriptpubkey_type: this.translateScriptPubKeyType(vout.scriptPubKey.type),
      };
    });
@@ -211,7 +227,7 @@ class BitcoinApi implements AbstractBitcoinApi {
        is_coinbase: !!vin.coinbase,
        prevout: null,
        scriptsig: vin.scriptSig && vin.scriptSig.hex || vin.coinbase || '',
-        scriptsig_asm: vin.scriptSig && this.convertScriptSigAsm(vin.scriptSig.hex) || '',
+        scriptsig_asm: vin.scriptSig && transactionUtils.convertScriptSigAsm(vin.scriptSig.hex) || '',
        sequence: vin.sequence,
        txid: vin.txid || '',
        vout: vin.vout || 0,
@@ -283,7 +299,7 @@ class BitcoinApi implements AbstractBitcoinApi {
      }
      const innerTx = await this.$getRawTransaction(vin.txid, false, false);
      vin.prevout = innerTx.vout[vin.vout];
-      this.addInnerScriptsToVin(vin);
+      transactionUtils.addInnerScriptsToVin(vin);
    }
    return transaction;
  }
@@ -322,7 +338,7 @@ class BitcoinApi implements AbstractBitcoinApi {
      }
      const innerTx = await this.$getRawTransaction(transaction.vin[i].txid, false, false);
      transaction.vin[i].prevout = innerTx.vout[transaction.vin[i].vout];
-      this.addInnerScriptsToVin(transaction.vin[i]);
+      transactionUtils.addInnerScriptsToVin(transaction.vin[i]);
      totalIn += innerTx.vout[transaction.vin[i].vout].value;
    }
    if (lazyPrevouts && transaction.vin.length > 12) {
@@ -334,122 +350,6 @@ class BitcoinApi implements AbstractBitcoinApi {
    return transaction;
  }

-  private convertScriptSigAsm(hex: string): string {
-    const buf = Buffer.from(hex, 'hex');
-
-    const b: string[] = [];
-
-    let i = 0;
-    while (i < buf.length) {
-      const op = buf[i];
-      if (op >= 0x01 && op <= 0x4e) {
-        i++;
-        let push: number;
-        if (op === 0x4c) {
-          push = buf.readUInt8(i);
-          b.push('OP_PUSHDATA1');
-          i += 1;
-        } else if (op === 0x4d) {
-          push = buf.readUInt16LE(i);
-          b.push('OP_PUSHDATA2');
-          i += 2;
-        } else if (op === 0x4e) {
-          push = buf.readUInt32LE(i);
-          b.push('OP_PUSHDATA4');
-          i += 4;
-        } else {
-          push = op;
-          b.push('OP_PUSHBYTES_' + push);
-        }
-
-        const data = buf.slice(i, i + push);
-        if (data.length !== push) {
-          break;
-        }
-
-        b.push(data.toString('hex'));
-        i += data.length;
-      } else {
-        if (op === 0x00) {
-          b.push('OP_0');
-        } else if (op === 0x4f) {
-          b.push('OP_PUSHNUM_NEG1');
-        } else if (op === 0xb1) {
-          b.push('OP_CLTV');
-        } else if (op === 0xb2) {
-          b.push('OP_CSV');
-        } else if (op === 0xba) {
-          b.push('OP_CHECKSIGADD');
-        } else {
-          const opcode = bitcoinjs.script.toASM([ op ]);
-          if (opcode && op < 0xfd) {
-            if (/^OP_(\d+)$/.test(opcode)) {
-              b.push(opcode.replace(/^OP_(\d+)$/, 'OP_PUSHNUM_$1'));
-            } else {
-              b.push(opcode);
-            }
-          } else {
-            b.push('OP_RETURN_' + op);
-          }
-        }
-        i += 1;
-      }
-    }
-
-    return b.join(' ');
-  }
-
-  private addInnerScriptsToVin(vin: IEsploraApi.Vin): void {
-    if (!vin.prevout) {
-      return;
-    }
-
-    if (vin.prevout.scriptpubkey_type === 'p2sh') {
-      const redeemScript = vin.scriptsig_asm.split(' ').reverse()[0];
-      vin.inner_redeemscript_asm = this.convertScriptSigAsm(redeemScript);
-      if (vin.witness && vin.witness.length > 2) {
-        const witnessScript = vin.witness[vin.witness.length - 1];
-        vin.inner_witnessscript_asm = this.convertScriptSigAsm(witnessScript);
-      }
-    }
-
-    if (vin.prevout.scriptpubkey_type === 'v0_p2wsh' && vin.witness) {
-      const witnessScript = vin.witness[vin.witness.length - 1];
-      vin.inner_witnessscript_asm = this.convertScriptSigAsm(witnessScript);
-    }
-
-    if (vin.prevout.scriptpubkey_type === 'v1_p2tr' && vin.witness) {
-      const witnessScript = this.witnessToP2TRScript(vin.witness);
-      if (witnessScript !== null) {
-        vin.inner_witnessscript_asm = this.convertScriptSigAsm(witnessScript);
-      }
-    }
-  }
-
-  /**
-   * This function must only be called when we know the witness we are parsing
-   * is a taproot witness.
-   * @param witness An array of hex strings that represents the witness stack of
-   *                the input.
-   * @returns null if the witness is not a script spend, and the hex string of
-   *          the script item if it is a script spend.
-   */
-  private witnessToP2TRScript(witness: string[]): string | null {
-    if (witness.length < 2) return null;
-    // Note: see BIP341 for parsing details of witness stack
-
-    // If there are at least two witness elements, and the first byte of the
-    // last element is 0x50, this last element is called annex a and
-    // is removed from the witness stack.
-    const hasAnnex = witness[witness.length - 1].substring(0, 2) === '50';
-    // If there are at least two witness elements left, script path spending is used.
-    // Call the second-to-last stack element s, the script.
-    // (Note: this phrasing from BIP341 assumes we've *removed* the annex from the stack)
-    if (hasAnnex && witness.length < 3) return null;
-    const positionOfScript = hasAnnex ? witness.length - 3 : witness.length - 2;
-    return witness[positionOfScript];
-  }
-
 }

 export default BitcoinApi;
--- a/backend/src/api/bitcoin/bitcoin.routes.ts
+++ b/backend/src/api/bitcoin/bitcoin.routes.ts
@@ -414,7 +414,7 @@ class BitcoinRoutes {

  private async getBlocks(req: Request, res: Response) {
    try {
-      if (['mainnet', 'testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK)) { // Bitcoin
+      if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK)) { // Bitcoin
        const height = req.params.height === undefined ? undefined : parseInt(req.params.height, 10);
        res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
        res.json(await blocks.$getBlocks(height, 15));
@@ -428,7 +428,7 @@ class BitcoinRoutes {

  private async getBlocksByBulk(req: Request, res: Response) {
    try {
-      if (['mainnet', 'testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK) === false) { // Liquid, Bisq - Not implemented
+      if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK) === false) { // Liquid, Bisq - Not implemented
        return res.status(404).send(`This API is only available for Bitcoin networks`);
      }
      if (config.MEMPOOL.MAX_BLOCKS_BULK_QUERY <= 0) {
--- a/backend/src/api/bitcoin/esplora-api.ts
+++ b/backend/src/api/bitcoin/esplora-api.ts
@@ -69,6 +69,10 @@ class ElectrsApi implements AbstractBitcoinApi {
    return this.$queryWrapper<IEsploraApi.Transaction>(config.ESPLORA.REST_API_URL + '/tx/' + txId);
  }

+  async $getMempoolTransactions(lastSeenTxid?: string): Promise<IEsploraApi.Transaction[]> {
+    return this.$queryWrapper<IEsploraApi.Transaction[]>(config.ESPLORA.REST_API_URL + '/mempool/txs' + (lastSeenTxid ? '/' + lastSeenTxid : ''));
+  }
+
  $getTransactionHex(txId: string): Promise<string> {
    return this.$queryWrapper<string>(config.ESPLORA.REST_API_URL + '/tx/' + txId + '/hex');
  }
@@ -85,6 +89,10 @@ class ElectrsApi implements AbstractBitcoinApi {
    return this.$queryWrapper<string[]>(config.ESPLORA.REST_API_URL + '/block/' + hash + '/txids');
  }

+  $getTxsForBlock(hash: string): Promise<IEsploraApi.Transaction[]> {
+    return this.$queryWrapper<IEsploraApi.Transaction[]>(config.ESPLORA.REST_API_URL + '/block/' + hash + '/txs');
+  }
+
  $getBlockHash(height: number): Promise<string> {
    return this.$queryWrapper<string>(config.ESPLORA.REST_API_URL + '/block-height/' + height);
  }
--- a/backend/src/api/blocks.ts
+++ b/backend/src/api/blocks.ts
@@ -26,6 +26,8 @@ import PricesRepository from '../repositories/PricesRepository';
 import priceUpdater from '../tasks/price-updater';
 import chainTips from './chain-tips';
 import websocketHandler from './websocket-handler';
+import redisCache from './redis-cache';
+import rbfCache from './rbf-cache';

 class Blocks {
  private blocks: BlockExtended[] = [];
@@ -70,6 +72,9 @@ class Blocks {
   * @param blockHash
   * @param blockHeight
   * @param onlyCoinbase - Set to true if you only need the coinbase transaction
+   * @param txIds - optional ordered list of transaction ids if already known
+   * @param quiet - don't print non-essential logs
+   * @param addMempoolData - calculate sigops etc
   * @returns Promise<TransactionExtended[]>
   */
  private async $getTransactionsExtended(
@@ -80,62 +85,77 @@ class Blocks {
    quiet: boolean = false,
    addMempoolData: boolean = false,
  ): Promise<TransactionExtended[]> {
-    const transactions: TransactionExtended[] = [];
+    const isEsplora = config.MEMPOOL.BACKEND === 'esplora';
+    const transactionMap: { [txid: string]: TransactionExtended } = {};
+
    if (!txIds) {
      txIds = await bitcoinApi.$getTxIdsForBlock(blockHash);
    }

    const mempool = memPool.getMempool();
-    let transactionsFound = 0;
-    let transactionsFetched = 0;
+    let foundInMempool = 0;
+    let totalFound = 0;

-    for (let i = 0; i < txIds.length; i++) {
-      if (mempool[txIds[i]]) {
-        // We update blocks before the mempool (index.ts), therefore we can
-        // optimize here by directly fetching txs in the "outdated" mempool
-        transactions.push(mempool[txIds[i]]);
-        transactionsFound++;
-      } else if (config.MEMPOOL.BACKEND === 'esplora' || !memPool.hasPriority() || i === 0) {
-        // Otherwise we fetch the tx data through backend services (esplora, electrum, core rpc...)
-        if (!quiet && (i % (Math.round((txIds.length) / 10)) === 0 || i + 1 === txIds.length)) { // Avoid log spam
-          logger.debug(`Indexing tx ${i + 1} of ${txIds.length} in block #${blockHeight}`);
-        }
-        try {
-          const tx = await transactionUtils.$getTransactionExtended(txIds[i], false, false, false, addMempoolData);
-          transactions.push(tx);
-          transactionsFetched++;
-        } catch (e) {
-          try {
-            if (config.MEMPOOL.BACKEND === 'esplora') {
-              // Try again with core
-              const tx = await transactionUtils.$getTransactionExtended(txIds[i], false, false, true, addMempoolData);
-              transactions.push(tx);
-              transactionsFetched++;
-            } else {
-              throw e;
-            }
-          } catch (e) {
-            if (i === 0) {
-              const msg = `Cannot fetch coinbase tx ${txIds[i]}. Reason: ` + (e instanceof Error ? e.message : e); 
-              logger.err(msg);
-              throw new Error(msg);
-            } else {
-              logger.err(`Cannot fetch tx ${txIds[i]}. Reason: ` + (e instanceof Error ? e.message : e));
-            }
-          }
+    // Copy existing transactions from the mempool
+    if (!onlyCoinbase) {
+      for (const txid of txIds) {
+        if (mempool[txid]) {
+          transactionMap[txid] = mempool[txid];
+          foundInMempool++;
+          totalFound++;
        }
      }
+    }

-      if (onlyCoinbase === true) {
-        break; // Fetch the first transaction and exit
+    // Skip expensive lookups while mempool has priority
+    if (onlyCoinbase) {
+      try {
+        const coinbase = await transactionUtils.$getTransactionExtended(txIds[0], false, false, false, addMempoolData);
+        return [coinbase];
+      } catch (e) {
+        const msg = `Cannot fetch coinbase tx ${txIds[0]}. Reason: ` + (e instanceof Error ? e.message : e);
+        logger.err(msg);
+        throw new Error(msg);
+      }
+    }
+
+    // Fetch remaining txs in bulk
+    if (isEsplora && (txIds.length - totalFound > 500)) {
+      try {
+        const rawTransactions = await bitcoinApi.$getTxsForBlock(blockHash);
+        for (const tx of rawTransactions) {
+          if (!transactionMap[tx.txid]) {
+            transactionMap[tx.txid] = addMempoolData ? transactionUtils.extendMempoolTransaction(tx) : transactionUtils.extendTransaction(tx);
+            totalFound++;
+          }
+        }
+      } catch (e) {
+        logger.err(`Cannot fetch bulk txs for block ${blockHash}. Reason: ` + (e instanceof Error ? e.message : e));
+      }
+    }
+
+    // Fetch remaining txs individually
+    for (const txid of txIds.filter(txid => !transactionMap[txid])) {
+      if (!transactionMap[txid]) {
+        if (!quiet && (totalFound % (Math.round((txIds.length) / 10)) === 0 || totalFound + 1 === txIds.length)) { // Avoid log spam
+          logger.debug(`Indexing tx ${totalFound + 1} of ${txIds.length} in block #${blockHeight}`);
+        }
+        try {
+          const tx = await transactionUtils.$getTransactionExtended(txid, false, false, false, addMempoolData);
+          transactionMap[txid] = tx;
+          totalFound++;
+        } catch (e) {
+          logger.err(`Cannot fetch tx ${txid}. Reason: ` + (e instanceof Error ? e.message : e));
+        }
      }
    }

    if (!quiet) {
-      logger.debug(`${transactionsFound} of ${txIds.length} found in mempool. ${transactionsFetched} fetched through backend service.`);
+      logger.debug(`${foundInMempool} of ${txIds.length} found in mempool. ${totalFound - foundInMempool} fetched through backend service.`);
    }

-    return transactions;
+    // Return list of transactions, preserving block order
+    return txIds.map(txid => transactionMap[txid]).filter(tx => tx != null);
  }

  /**
@@ -263,7 +283,7 @@ class Blocks {
      extras.totalInputAmt = null;
    }

-    if (['mainnet', 'testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK)) {
+    if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK)) {
      let pool: PoolTag;
      if (coinbaseTx !== undefined) {
        pool = await this.$findBlockMiner(coinbaseTx);
@@ -765,10 +785,18 @@ class Blocks {
      if (this.newBlockCallbacks.length) {
        this.newBlockCallbacks.forEach((cb) => cb(blockExtended, txIds, transactions));
      }
-      if (!memPool.hasPriority() && (block.height % config.MEMPOOL.DISK_CACHE_BLOCK_INTERVAL === 0)) {
+      if (config.MEMPOOL.CACHE_ENABLED && !memPool.hasPriority() && (block.height % config.MEMPOOL.DISK_CACHE_BLOCK_INTERVAL === 0)) {
        diskCache.$saveCacheToDisk();
      }

+      // Update Redis cache
+      if (config.REDIS.ENABLED) {
+        await redisCache.$updateBlocks(this.blocks);
+        await redisCache.$updateBlockSummaries(this.blockSummaries);
+        await redisCache.$removeTransactions(txIds);
+        await rbfCache.updateCache();
+      }
+
      handledBlocks++;
    }

@@ -845,7 +873,7 @@ class Blocks {
    }

    // Not Bitcoin network, return the block as it from the bitcoin backend
-    if (['mainnet', 'testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK) === false) {
+    if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK) === false) {
      return await bitcoinCoreApi.$getBlock(hash);
    }

@@ -1061,7 +1089,7 @@ class Blocks {
  }

  public async $getBlockAuditSummary(hash: string): Promise<any> {
-    if (['mainnet', 'testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK)) {
+    if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK)) {
      return BlocksAuditsRepository.$getBlockAudit(hash);
    } else {
      return null;
--- a/backend/src/api/common.ts
+++ b/backend/src/api/common.ts
@@ -239,7 +239,7 @@ export class Common {

  static indexingEnabled(): boolean {
    return (
-      ['mainnet', 'testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK) &&
+      ['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK) &&
      config.DATABASE.ENABLED === true &&
      config.MEMPOOL.INDEXING_BLOCKS_AMOUNT !== 0
    );
--- a/backend/src/api/database-migration.ts
+++ b/backend/src/api/database-migration.ts
@@ -104,7 +104,7 @@ class DatabaseMigration {
  private async $createMissingTablesAndIndexes(databaseSchemaVersion: number) {
    await this.$setStatisticsAddedIndexedFlag(databaseSchemaVersion);

-    const isBitcoin = ['mainnet', 'testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK);
+    const isBitcoin = ['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK);

    await this.$executeQuery(this.getCreateElementsTableQuery(), await this.$checkIfTableExists('elements_pegs'));
    await this.$executeQuery(this.getCreateStatisticsQuery(), await this.$checkIfTableExists('statistics'));
@@ -512,7 +512,7 @@ class DatabaseMigration {
      await this.updateToSchemaVersion(58);
    }

-    if (databaseSchemaVersion < 59 && ['testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK)) {
+    if (databaseSchemaVersion < 59 && (config.MEMPOOL.NETWORK === 'signet' || config.MEMPOOL.NETWORK === 'testnet')) {
      // https://github.com/mempool/mempool/issues/3360
      await this.$executeQuery(`TRUNCATE prices`);
    }
@@ -656,7 +656,7 @@ class DatabaseMigration {
   */
  private getMigrationQueriesFromVersion(version: number): string[] {
    const queries: string[] = [];
-    const isBitcoin = ['mainnet', 'testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK);
+    const isBitcoin = ['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK);

    if (version < 1) {
      if (config.MEMPOOL.NETWORK !== 'liquid' && config.MEMPOOL.NETWORK !== 'liquidtestnet') {
--- a/backend/src/api/disk-cache.ts
+++ b/backend/src/api/disk-cache.ts
@@ -29,7 +29,7 @@ class DiskCache {
  };

  constructor() {
-    if (!cluster.isPrimary) {
+    if (!cluster.isPrimary || !config.MEMPOOL.CACHE_ENABLED) {
      return;
    }
    process.on('SIGINT', (e) => {
@@ -39,7 +39,7 @@ class DiskCache {
  }

  async $saveCacheToDisk(sync: boolean = false): Promise<void> {
-    if (!cluster.isPrimary) {
+    if (!cluster.isPrimary || !config.MEMPOOL.CACHE_ENABLED) {
      return;
    }
    if (this.isWritingCache) {
@@ -175,7 +175,7 @@ class DiskCache {
  }

  async $loadMempoolCache(): Promise<void> {
-    if (!fs.existsSync(DiskCache.FILE_NAME)) {
+    if (!config.MEMPOOL.CACHE_ENABLED || !fs.existsSync(DiskCache.FILE_NAME)) {
      return;
    }
    try {
--- a/backend/src/api/mempool.ts
+++ b/backend/src/api/mempool.ts
@@ -1,5 +1,5 @@
 import config from '../config';
-import bitcoinApi from './bitcoin/bitcoin-api-factory';
+import bitcoinApi, { bitcoinCoreApi } from './bitcoin/bitcoin-api-factory';
 import { MempoolTransactionExtended, TransactionExtended, VbytesPerSecond } from '../mempool.interfaces';
 import logger from '../logger';
 import { Common } from './common';
@@ -9,6 +9,7 @@ import loadingIndicators from './loading-indicators';
 import bitcoinClient from './bitcoin/bitcoin-client';
 import bitcoinSecondClient from './bitcoin/bitcoin-second-client';
 import rbfCache from './rbf-cache';
+import redisCache from './redis-cache';

 class Mempool {
  private inSync: boolean = false;
@@ -85,6 +86,10 @@ class Mempool {
  public async $setMempool(mempoolData: { [txId: string]: MempoolTransactionExtended }) {
    this.mempoolCache = mempoolData;
    let count = 0;
+    const redisTimer = Date.now();
+    if (config.MEMPOOL.CACHE_ENABLED && config.REDIS.ENABLED) {
+      logger.debug(`Migrating ${Object.keys(this.mempoolCache).length} transactions from disk cache to Redis cache`);
+    }
    for (const txid of Object.keys(this.mempoolCache)) {
      if (!this.mempoolCache[txid].sigops || this.mempoolCache[txid].effectiveFeePerVsize == null) {
        this.mempoolCache[txid] = transactionUtils.extendMempoolTransaction(this.mempoolCache[txid]);
@@ -93,6 +98,13 @@ class Mempool {
        this.mempoolCache[txid].order = transactionUtils.txidToOrdering(txid);
      }
      count++;
+      if (config.MEMPOOL.CACHE_ENABLED && config.REDIS.ENABLED) {
+        await redisCache.$addTransaction(this.mempoolCache[txid]);
+      }
+    }
+    if (config.MEMPOOL.CACHE_ENABLED && config.REDIS.ENABLED) {
+      await redisCache.$flushTransactions();
+      logger.debug(`Finished migrating cache transactions in ${((Date.now() - redisTimer) / 1000).toFixed(2)} seconds`);
    }
    if (this.mempoolChangedCallback) {
      this.mempoolChangedCallback(this.mempoolCache, [], []);
@@ -103,6 +115,44 @@ class Mempool {
    this.addToSpendMap(Object.values(this.mempoolCache));
  }

+  public async $reloadMempool(expectedCount: number): Promise<MempoolTransactionExtended[]> {
+    let count = 0;
+    let done = false;
+    let last_txid;
+    const newTransactions: MempoolTransactionExtended[] = [];
+    loadingIndicators.setProgress('mempool', count / expectedCount * 100);
+    while (!done) {
+      try {
+        const result = await bitcoinApi.$getMempoolTransactions(last_txid);
+        if (result) {
+          for (const tx of result) {
+            const extendedTransaction = transactionUtils.extendMempoolTransaction(tx);
+            if (!this.mempoolCache[extendedTransaction.txid]) {
+              newTransactions.push(extendedTransaction);
+              this.mempoolCache[extendedTransaction.txid] = extendedTransaction;
+            }
+            count++;
+          }
+          logger.info(`Fetched ${count} of ${expectedCount} mempool transactions from esplora`);
+          if (result.length > 0) {
+            last_txid = result[result.length - 1].txid;
+          } else {
+            done = true;
+          }
+          if (Math.floor((count / expectedCount) * 100) < 100) {
+            loadingIndicators.setProgress('mempool', count / expectedCount * 100);
+          }
+        } else {
+          done = true;
+        }
+      } catch(err) {
+        logger.err('failed to fetch bulk mempool transactions from esplora');
+      }
+    }
+    logger.info(`Done inserting loaded mempool transactions into local cache`);
+    return newTransactions;
+  }
+
  public async $updateMemPoolInfo() {
    this.mempoolInfo = await this.$getMempoolInfo();
  }
@@ -143,7 +193,7 @@ class Mempool {
    const currentMempoolSize = Object.keys(this.mempoolCache).length;
    this.updateTimerProgress(timer, 'got raw mempool');
    const diff = transactions.length - currentMempoolSize;
-    const newTransactions: MempoolTransactionExtended[] = [];
+    let newTransactions: MempoolTransactionExtended[] = [];

    this.mempoolCacheDelta = Math.abs(diff);

@@ -162,41 +212,66 @@ class Mempool {
    };

    let intervalTimer = Date.now();
-    for (const txid of transactions) {
-      if (!this.mempoolCache[txid]) {
-        try {
-          const transaction = await transactionUtils.$getMempoolTransactionExtended(txid, false, false, false);
-          this.updateTimerProgress(timer, 'fetched new transaction');
-          this.mempoolCache[txid] = transaction;
-          if (this.inSync) {
-            this.txPerSecondArray.push(new Date().getTime());
-            this.vBytesPerSecondArray.push({
-              unixTime: new Date().getTime(),
-              vSize: transaction.vsize,
-            });
-          }
-          hasChange = true;
-          newTransactions.push(transaction);
-        } catch (e: any) {
-          if (config.MEMPOOL.BACKEND === 'esplora' && e.response?.status === 404) {
-            this.missingTxCount++;
-          }
-          logger.debug(`Error finding transaction '${txid}' in the mempool: ` + (e instanceof Error ? e.message : e));
-        }
-      }

-      if (Date.now() - intervalTimer > 5_000) {
-        
-        if (this.inSync) {
-          // Break and restart mempool loop if we spend too much time processing
-          // new transactions that may lead to falling behind on block height
-          logger.debug('Breaking mempool loop because the 5s time limit exceeded.');
-          break;
-        } else {
-          const progress = (currentMempoolSize + newTransactions.length) / transactions.length * 100;
-          logger.debug(`Mempool is synchronizing. Processed ${newTransactions.length}/${diff} txs (${Math.round(progress)}%)`);
-          loadingIndicators.setProgress('mempool', progress);
-          intervalTimer = Date.now()
+    let loaded = false;
+    if (config.MEMPOOL.BACKEND === 'esplora' && currentMempoolSize < transactions.length * 0.5 && transactions.length > 20_000) {
+      this.inSync = false;
+      logger.info(`Missing ${transactions.length - currentMempoolSize} mempool transactions, attempting to reload in bulk from esplora`);
+      try {
+        newTransactions = await this.$reloadMempool(transactions.length);
+        if (config.REDIS.ENABLED) {
+          for (const tx of newTransactions) {
+            await redisCache.$addTransaction(tx);
+          }
+        }
+        loaded = true;
+      } catch (e) {
+        logger.err('failed to load mempool in bulk from esplora, falling back to fetching individual transactions');
+      }
+    }
+
+    if (!loaded) {
+      for (const txid of transactions) {
+        if (!this.mempoolCache[txid]) {
+          try {
+            const transaction = await transactionUtils.$getMempoolTransactionExtended(txid, false, false, false);
+            this.updateTimerProgress(timer, 'fetched new transaction');
+            this.mempoolCache[txid] = transaction;
+            if (this.inSync) {
+              this.txPerSecondArray.push(new Date().getTime());
+              this.vBytesPerSecondArray.push({
+                unixTime: new Date().getTime(),
+                vSize: transaction.vsize,
+              });
+            }
+            hasChange = true;
+            newTransactions.push(transaction);
+
+            if (config.REDIS.ENABLED) {
+              await redisCache.$addTransaction(transaction);
+            }
+          } catch (e: any) {
+            if (config.MEMPOOL.BACKEND === 'esplora' && e.response?.status === 404) {
+              this.missingTxCount++;
+            }
+            logger.debug(`Error finding transaction '${txid}' in the mempool: ` + (e instanceof Error ? e.message : e));
+          }
+        }
+
+        if (Date.now() - intervalTimer > 5_000) {
+          if (this.inSync) {
+            // Break and restart mempool loop if we spend too much time processing
+            // new transactions that may lead to falling behind on block height
+            logger.debug('Breaking mempool loop because the 5s time limit exceeded.');
+            break;
+          } else {
+            const progress = (currentMempoolSize + newTransactions.length) / transactions.length * 100;
+            logger.debug(`Mempool is synchronizing. Processed ${newTransactions.length}/${diff} txs (${Math.round(progress)}%)`);
+            if (Math.floor(progress) < 100) {
+              loadingIndicators.setProgress('mempool', progress);
+            }
+            intervalTimer = Date.now()
+          }
        }
      }
    }
@@ -246,12 +321,6 @@ class Mempool {
    const newTransactionsStripped = newTransactions.map((tx) => Common.stripTransaction(tx));
    this.latestTransactions = newTransactionsStripped.concat(this.latestTransactions).slice(0, 6);

-    if (!this.inSync && transactions.length === newMempoolSize) {
-      this.inSync = true;
-      logger.notice('The mempool is now in sync!');
-      loadingIndicators.setProgress('mempool', 100);
-    }
-
    this.mempoolCacheDelta = Math.abs(transactions.length - newMempoolSize);

    if (this.mempoolChangedCallback && (hasChange || deletedTransactions.length)) {
@@ -263,6 +332,19 @@ class Mempool {
      this.updateTimerProgress(timer, 'completed async mempool callback');
    }

+    if (!this.inSync && transactions.length === newMempoolSize) {
+      this.inSync = true;
+      logger.notice('The mempool is now in sync!');
+      loadingIndicators.setProgress('mempool', 100);
+    }
+
+    // Update Redis cache
+    if (config.REDIS.ENABLED) {
+      await redisCache.$flushTransactions();
+      await redisCache.$removeTransactions(deletedTransactions.map(tx => tx.txid));
+      await rbfCache.updateCache();
+    }
+
    const end = new Date().getTime();
    const time = end - start;
    logger.debug(`Mempool updated in ${time / 1000} seconds. New size: ${Object.keys(this.mempoolCache).length} (${diff > 0 ? '+' + diff : diff})`);
--- a/backend/src/api/pools-parser.ts
+++ b/backend/src/api/pools-parser.ts
@@ -131,7 +131,7 @@ class PoolsParser {
    let firstKnownBlockPool = 130635; // https://mempool.space/block/0000000000000a067d94ff753eec72830f1205ad3a4c216a08a80c832e551a52
    if (config.MEMPOOL.NETWORK === 'testnet') {
      firstKnownBlockPool = 21106; // https://mempool.space/testnet/block/0000000070b701a5b6a1b965f6a38e0472e70b2bb31b973e4638dec400877581
-    } else if (config.MEMPOOL.NETWORK === 'signet' || config.MEMPOOL.NETWORK === 'regtest') {
+    } else if (config.MEMPOOL.NETWORK === 'signet') {
      firstKnownBlockPool = 0;
    }

@@ -159,7 +159,7 @@ class PoolsParser {
    let firstKnownBlockPool = 130635; // https://mempool.space/block/0000000000000a067d94ff753eec72830f1205ad3a4c216a08a80c832e551a52
    if (config.MEMPOOL.NETWORK === 'testnet') {
      firstKnownBlockPool = 21106; // https://mempool.space/testnet/block/0000000070b701a5b6a1b965f6a38e0472e70b2bb31b973e4638dec400877581
-    } else if (config.MEMPOOL.NETWORK === 'signet' || config.MEMPOOL.NETWORK === 'regtest') {
+    } else if (config.MEMPOOL.NETWORK === 'signet') {
      firstKnownBlockPool = 0;
    }

--- a/backend/src/api/rbf-cache.ts
+++ b/backend/src/api/rbf-cache.ts
@@ -1,15 +1,17 @@
+import config from "../config";
 import logger from "../logger";
 import { MempoolTransactionExtended, TransactionStripped } from "../mempool.interfaces";
 import bitcoinApi from './bitcoin/bitcoin-api-factory';
 import { Common } from "./common";
+import redisCache from "./redis-cache";

-interface RbfTransaction extends TransactionStripped {
+export interface RbfTransaction extends TransactionStripped {
  rbf?: boolean;
  mined?: boolean;
  fullRbf?: boolean;
 }

-interface RbfTree {
+export interface RbfTree {
  tx: RbfTransaction;
  time: number;
  interval?: number;
@@ -28,6 +30,19 @@ export interface ReplacementInfo {
  newVsize: number;
 }

+enum CacheOp {
+  Remove = 0,
+  Add = 1,
+  Change = 2,
+}
+
+interface CacheEvent {
+  op: CacheOp;
+  type: 'tx' | 'tree' | 'exp';
+  txid: string,
+  value?: any,
+}
+
 class RbfCache {
  private replacedBy: Map<string, string> = new Map();
  private replaces: Map<string, string[]> = new Map();
@@ -36,11 +51,43 @@ class RbfCache {
  private treeMap: Map<string, string> = new Map(); // map of txids to sequence ids
  private txs: Map<string, MempoolTransactionExtended> = new Map();
  private expiring: Map<string, number> = new Map();
+  private cacheQueue: CacheEvent[] = [];

  constructor() {
    setInterval(this.cleanup.bind(this), 1000 * 60 * 10);
  }

+  private addTx(txid: string, tx: MempoolTransactionExtended): void {
+    this.txs.set(txid, tx);
+    this.cacheQueue.push({ op: CacheOp.Add, type: 'tx', txid });
+  }
+
+  private addTree(txid: string, tree: RbfTree): void {
+    this.rbfTrees.set(txid, tree);
+    this.dirtyTrees.add(txid);
+    this.cacheQueue.push({ op: CacheOp.Add, type: 'tree', txid });
+  }
+
+  private addExpiration(txid: string, expiry: number): void {
+    this.expiring.set(txid, expiry);
+    this.cacheQueue.push({ op: CacheOp.Add, type: 'exp', txid, value: expiry });
+  }
+
+  private removeTx(txid: string): void {
+    this.txs.delete(txid);
+    this.cacheQueue.push({ op: CacheOp.Remove, type: 'tx', txid });
+  }
+
+  private removeTree(txid: string): void {
+    this.rbfTrees.delete(txid);
+    this.cacheQueue.push({ op: CacheOp.Remove, type: 'tree', txid });
+  }
+
+  private removeExpiration(txid: string): void {
+    this.expiring.delete(txid);
+    this.cacheQueue.push({ op: CacheOp.Remove, type: 'exp', txid });
+  }
+
  public add(replaced: MempoolTransactionExtended[], newTxExtended: MempoolTransactionExtended): void {
    if (!newTxExtended || !replaced?.length || this.txs.has(newTxExtended.txid)) {
      return;
@@ -49,7 +96,7 @@ class RbfCache {
    const newTx = Common.stripTransaction(newTxExtended) as RbfTransaction;
    const newTime = newTxExtended.firstSeen || (Date.now() / 1000);
    newTx.rbf = newTxExtended.vin.some((v) => v.sequence < 0xfffffffe);
-    this.txs.set(newTx.txid, newTxExtended);
+    this.addTx(newTx.txid, newTxExtended);

    // maintain rbf trees
    let txFullRbf = false;
@@ -66,7 +113,7 @@ class RbfCache {
        const treeId = this.treeMap.get(replacedTx.txid);
        if (treeId) {
          const tree = this.rbfTrees.get(treeId);
-          this.rbfTrees.delete(treeId);
+          this.removeTree(treeId);
          if (tree) {
            tree.interval = newTime - tree?.time;
            replacedTrees.push(tree);
@@ -83,7 +130,7 @@ class RbfCache {
          replaces: [],
        });
        treeFullRbf = treeFullRbf || !replacedTx.rbf;
-        this.txs.set(replacedTx.txid, replacedTxExtended);
+        this.addTx(replacedTx.txid, replacedTxExtended);
      }
    }
    newTx.fullRbf = txFullRbf;
@@ -94,10 +141,9 @@ class RbfCache {
      fullRbf: treeFullRbf,
      replaces: replacedTrees
    };
-    this.rbfTrees.set(treeId, newTree);
+    this.addTree(treeId, newTree);
    this.updateTreeMap(treeId, newTree);
    this.replaces.set(newTx.txid, replacedTrees.map(tree => tree.tx.txid));
-    this.dirtyTrees.add(treeId);
  }

  public getReplacedBy(txId: string): string | undefined {
@@ -173,6 +219,7 @@ class RbfCache {
        this.setTreeMined(tree, txid);
        tree.mined = true;
        this.dirtyTrees.add(treeId);
+        this.cacheQueue.push({ op: CacheOp.Change, type: 'tree', txid: treeId });
      }
    }
    this.evict(txid);
@@ -181,7 +228,8 @@ class RbfCache {
  // flag a transaction as removed from the mempool
  public evict(txid: string, fast: boolean = false): void {
    if (this.txs.has(txid) && (fast || !this.expiring.has(txid))) {
-      this.expiring.set(txid, fast ? Date.now() + (1000 * 60 * 10) : Date.now() + (1000 * 86400)); // 24 hours
+      const expiryTime = fast ? Date.now() + (1000 * 60 * 10) : Date.now() + (1000 * 86400); // 24 hours
+      this.addExpiration(txid, expiryTime);
    }
  }

@@ -202,11 +250,11 @@ class RbfCache {
    const now = Date.now();
    for (const txid of this.expiring.keys()) {
      if ((this.expiring.get(txid) || 0) < now) {
-        this.expiring.delete(txid);
+        this.removeExpiration(txid);
        this.remove(txid);
      }
    }
-    logger.debug(`rbf cache contains ${this.txs.size} txs, ${this.expiring.size} due to expire`);
+    logger.debug(`rbf cache contains ${this.txs.size} txs, ${this.rbfTrees.size} trees, ${this.expiring.size} due to expire`);
  }

  // remove a transaction & all previous versions from the cache
@@ -216,14 +264,14 @@ class RbfCache {
      const replaces = this.replaces.get(txid);
      this.replaces.delete(txid);
      this.treeMap.delete(txid);
-      this.txs.delete(txid);
-      this.expiring.delete(txid);
+      this.removeTx(txid);
+      this.removeExpiration(txid);
      for (const tx of (replaces || [])) {
        // recursively remove prior versions from the cache
        this.replacedBy.delete(tx);
        // if this is the id of a tree, remove that too
        if (this.treeMap.get(tx) === tx) {
-          this.rbfTrees.delete(tx);
+          this.removeTree(tx);
        }
        this.remove(tx);
      }
@@ -255,6 +303,33 @@ class RbfCache {
    }
  }

+  public async updateCache(): Promise<void> {
+    if (!config.REDIS.ENABLED) {
+      return;
+    }
+    // Update the Redis cache by replaying queued events
+    for (const e of this.cacheQueue) {
+      if (e.op === CacheOp.Add || e.op === CacheOp.Change) {
+        let value = e.value;
+          switch(e.type) {
+            case 'tx': {
+              value = this.txs.get(e.txid);
+            } break;
+            case 'tree': {
+              const tree = this.rbfTrees.get(e.txid);
+              value = tree ? this.exportTree(tree) : null;
+            } break;
+          }
+          if (value != null) {
+            await redisCache.$setRbfEntry(e.type, e.txid, value);
+          }
+      } else if (e.op === CacheOp.Remove) {
+        await redisCache.$removeRbfEntry(e.type, e.txid);
+      }
+    }
+    this.cacheQueue = [];
+  }
+
  public dump(): any {
    const trees = Array.from(this.rbfTrees.values()).map((tree: RbfTree) => { return this.exportTree(tree); });

@@ -360,8 +435,7 @@ class RbfCache {
    };
    this.treeMap.set(txid, root);
    if (root === txid) {
-      this.rbfTrees.set(root, tree);
-      this.dirtyTrees.add(root);
+      this.addTree(root, tree);
    }
    return tree;
  }
--- a/backend/src/api/redis-cache.ts
+++ b/backend/src/api/redis-cache.ts
@@ -0,0 +1,253 @@
+import { createClient } from 'redis';
+import memPool from './mempool';
+import blocks from './blocks';
+import logger from '../logger';
+import config from '../config';
+import { BlockExtended, BlockSummary, MempoolTransactionExtended } from '../mempool.interfaces';
+import rbfCache from './rbf-cache';
+import transactionUtils from './transaction-utils';
+
+enum NetworkDB {
+  mainnet = 0,
+  testnet,
+  signet,
+  liquid,
+  liquidtestnet,
+}
+
+class RedisCache {
+  private client;
+  private connected = false;
+  private schemaVersion = 1;
+
+  private cacheQueue: MempoolTransactionExtended[] = [];
+  private txFlushLimit: number = 10000;
+
+  constructor() {
+    if (config.REDIS.ENABLED) {
+      const redisConfig = {
+        socket: {
+          path: config.REDIS.UNIX_SOCKET_PATH
+        },
+        database: NetworkDB[config.MEMPOOL.NETWORK],
+      };
+      this.client = createClient(redisConfig);
+      this.client.on('error', (e) => {
+        logger.err(`Error in Redis client: ${e instanceof Error ? e.message : e}`);
+      });
+      this.$ensureConnected();
+      this.client.exists('mempool:0').then((mempoolExists) => {
+        if (!mempoolExists) {
+          for (let i = 0; i < 16; i++) {
+            this.client.json.set(`mempool:${i.toString(16)}`, '$', {});
+          }
+        }
+      });
+    }
+  }
+
+  private async $ensureConnected(): Promise<void> {
+    if (!this.connected && config.REDIS.ENABLED) {
+      return this.client.connect().then(async () => {
+        this.connected = true;
+        logger.info(`Redis client connected`);
+        const version = await this.client.get('schema_version');
+        if (version !== this.schemaVersion) {
+          // schema changed
+          // perform migrations or flush DB if necessary
+          logger.info(`Redis schema version changed from ${version} to ${this.schemaVersion}`);
+          await this.client.set('schema_version', this.schemaVersion);
+        }
+      });
+    }
+  }
+
+  async $updateBlocks(blocks: BlockExtended[]) {
+    try {
+      await this.$ensureConnected();
+      await this.client.json.set('blocks', '$', blocks);
+    } catch (e) {
+      logger.warn(`Failed to update blocks in Redis cache: ${e instanceof Error ? e.message : e}`);
+    }
+  }
+
+  async $updateBlockSummaries(summaries: BlockSummary[]) {
+    try {
+      await this.$ensureConnected();
+      await this.client.json.set('block-summaries', '$', summaries);
+    } catch (e) {
+      logger.warn(`Failed to update blocks in Redis cache: ${e instanceof Error ? e.message : e}`);
+    }
+  }
+
+  async $addTransaction(tx: MempoolTransactionExtended) {
+    this.cacheQueue.push(tx);
+    if (this.cacheQueue.length >= this.txFlushLimit) {
+      await this.$flushTransactions();
+    }
+  }
+
+  async $flushTransactions() {
+    const success = await this.$addTransactions(this.cacheQueue);
+    if (success) {
+      logger.info(`Flushed ${this.cacheQueue.length} transactions to Redis cache`);
+      this.cacheQueue = [];
+    } else {
+      logger.err(`Failed to flush ${this.cacheQueue.length} transactions to Redis cache`);
+    }
+  }
+
+  private async $addTransactions(newTransactions: MempoolTransactionExtended[]): Promise<boolean> {
+    try {
+      await this.$ensureConnected();
+      await Promise.all(newTransactions.map(tx => {
+        const minified: any = { ...tx };
+        delete minified.hex;
+        for (const vin of minified.vin) {
+          delete vin.inner_redeemscript_asm;
+          delete vin.inner_witnessscript_asm;
+          delete vin.scriptsig_asm;
+        }
+        for (const vout of minified.vout) {
+          delete vout.scriptpubkey_asm;
+        }
+        return this.client.json.set(`mempool:${tx.txid.slice(0,1)}`, tx.txid, minified);
+      }));
+      return true;
+    } catch (e) {
+      logger.warn(`Failed to add ${newTransactions.length} transactions to Redis cache: ${e instanceof Error ? e.message : e}`);
+      return false;
+    }
+  }
+
+  async $removeTransactions(transactions: string[]) {
+    try {
+      await this.$ensureConnected();
+      await Promise.all(transactions.map(txid => {
+        return this.client.json.del(`mempool:${txid.slice(0,1)}`, txid);
+      }));
+    } catch (e) {
+      logger.warn(`Failed to remove ${transactions.length} transactions from Redis cache: ${e instanceof Error ? e.message : e}`);
+    }
+  }
+
+  async $setRbfEntry(type: string, txid: string, value: any): Promise<void> {
+    try {
+      await this.$ensureConnected();
+      await this.client.json.set(`rbf:${type}:${txid}`, '$', value);
+    } catch (e) {
+      logger.warn(`Failed to set RBF ${type} in Redis cache: ${e instanceof Error ? e.message : e}`);
+    }
+  }
+
+  async $removeRbfEntry(type: string, txid: string): Promise<void> {
+    try {
+      await this.$ensureConnected();
+      await this.client.del(`rbf:${type}:${txid}`);
+    } catch (e) {
+      logger.warn(`Failed to remove RBF ${type} from Redis cache: ${e instanceof Error ? e.message : e}`);
+    }
+  }
+
+  async $getBlocks(): Promise<BlockExtended[]> {
+    try {
+      await this.$ensureConnected();
+      return this.client.json.get('blocks');
+    } catch (e) {
+      logger.warn(`Failed to retrieve blocks from Redis cache: ${e instanceof Error ? e.message : e}`);
+      return [];
+    }
+  }
+
+  async $getBlockSummaries(): Promise<BlockSummary[]> {
+    try {
+      await this.$ensureConnected();
+      return this.client.json.get('block-summaries');
+    } catch (e) {
+      logger.warn(`Failed to retrieve blocks from Redis cache: ${e instanceof Error ? e.message : e}`);
+      return [];
+    }
+  }
+
+  async $getMempool(): Promise<{ [txid: string]: MempoolTransactionExtended }> {
+    const start = Date.now();
+    let mempool = {};
+    try {
+      await this.$ensureConnected();
+      for (let i = 0; i < 16; i++) {
+        const shard = await this.client.json.get(`mempool:${i.toString(16)}`);
+        logger.info(`Loaded ${Object.keys(shard).length} transactions from redis cache ${i.toString(16)}`);
+        mempool = Object.assign(mempool, shard);
+      }
+      logger.info(`Total ${Object.keys(mempool).length} transactions loaded from redis cache `);
+      logger.info(`Loaded redis cache in ${Date.now() - start} ms`);
+      return mempool || {};
+    } catch (e) {
+      logger.warn(`Failed to retrieve mempool from Redis cache: ${e instanceof Error ? e.message : e}`);
+    }
+    return {};
+  }
+
+  async $getRbfEntries(type: string): Promise<any[]> {
+    try {
+      await this.$ensureConnected();
+      const keys = await this.client.keys(`rbf:${type}:*`);
+      const promises: Promise<MempoolTransactionExtended[]>[] = [];
+      for (let i = 0; i < keys.length; i += 10000) {
+        const keySlice = keys.slice(i, i + 10000);
+        if (!keySlice.length) {
+          continue;
+        }
+        promises.push(this.client.json.mGet(keySlice, '$').then(chunk => chunk?.length ? chunk.flat().map((v, i) => [keySlice[i].slice(`rbf:${type}:`.length), v]) : [] ));
+      }
+      const entries = await Promise.all(promises);
+      return entries.flat();
+    } catch (e) {
+      logger.warn(`Failed to retrieve Rbf ${type}s from Redis cache: ${e instanceof Error ? e.message : e}`);
+      return [];
+    }
+  }
+
+  async $loadCache() {
+    logger.info('Restoring mempool and blocks data from Redis cache');
+    // Load block data
+    const loadedBlocks = await this.$getBlocks();
+    const loadedBlockSummaries = await this.$getBlockSummaries();
+    // Load mempool
+    const loadedMempool = await this.$getMempool();
+    this.inflateLoadedTxs(loadedMempool);
+    // Load rbf data
+    const rbfTxs = await this.$getRbfEntries('tx');
+    const rbfTrees = await this.$getRbfEntries('tree');
+    const rbfExpirations = await this.$getRbfEntries('exp');
+
+    // Set loaded data
+    blocks.setBlocks(loadedBlocks || []);
+    blocks.setBlockSummaries(loadedBlockSummaries || []);
+    await memPool.$setMempool(loadedMempool);
+    await rbfCache.load({
+      txs: rbfTxs,
+      trees: rbfTrees.map(loadedTree => loadedTree[1]),
+      expiring: rbfExpirations,
+    });
+  }
+
+  private inflateLoadedTxs(mempool: { [txid: string]: MempoolTransactionExtended }) {
+    for (const tx of Object.values(mempool)) {
+      for (const vin of tx.vin) {
+        if (vin.scriptsig) {
+          vin.scriptsig_asm = transactionUtils.convertScriptSigAsm(vin.scriptsig);
+          transactionUtils.addInnerScriptsToVin(vin);
+        }
+      }
+      for (const vout of tx.vout) {
+        if (vout.scriptpubkey) {
+          vout.scriptpubkey_asm = transactionUtils.convertScriptSigAsm(vout.scriptpubkey);
+        }
+      }
+    }
+  }
+
+}
+
+export default new RedisCache();
--- a/backend/src/api/transaction-utils.ts
+++ b/backend/src/api/transaction-utils.ts
@@ -53,7 +53,7 @@ class TransactionUtils {
    return (await this.$getTransactionExtended(txId, addPrevouts, lazyPrevouts, forceCore, true)) as MempoolTransactionExtended;
  }

-  private extendTransaction(transaction: IEsploraApi.Transaction): TransactionExtended {
+  public extendTransaction(transaction: IEsploraApi.Transaction): TransactionExtended {
    // @ts-ignore
    if (transaction.vsize) {
      // @ts-ignore
@@ -170,6 +170,122 @@ class TransactionUtils {
      16
    );
  }
+
+  public addInnerScriptsToVin(vin: IEsploraApi.Vin): void {
+    if (!vin.prevout) {
+      return;
+    }
+
+    if (vin.prevout.scriptpubkey_type === 'p2sh') {
+      const redeemScript = vin.scriptsig_asm.split(' ').reverse()[0];
+      vin.inner_redeemscript_asm = this.convertScriptSigAsm(redeemScript);
+      if (vin.witness && vin.witness.length > 2) {
+        const witnessScript = vin.witness[vin.witness.length - 1];
+        vin.inner_witnessscript_asm = this.convertScriptSigAsm(witnessScript);
+      }
+    }
+
+    if (vin.prevout.scriptpubkey_type === 'v0_p2wsh' && vin.witness) {
+      const witnessScript = vin.witness[vin.witness.length - 1];
+      vin.inner_witnessscript_asm = this.convertScriptSigAsm(witnessScript);
+    }
+
+    if (vin.prevout.scriptpubkey_type === 'v1_p2tr' && vin.witness) {
+      const witnessScript = this.witnessToP2TRScript(vin.witness);
+      if (witnessScript !== null) {
+        vin.inner_witnessscript_asm = this.convertScriptSigAsm(witnessScript);
+      }
+    }
+  }
+
+  public convertScriptSigAsm(hex: string): string {
+    const buf = Buffer.from(hex, 'hex');
+
+    const b: string[] = [];
+
+    let i = 0;
+    while (i < buf.length) {
+      const op = buf[i];
+      if (op >= 0x01 && op <= 0x4e) {
+        i++;
+        let push: number;
+        if (op === 0x4c) {
+          push = buf.readUInt8(i);
+          b.push('OP_PUSHDATA1');
+          i += 1;
+        } else if (op === 0x4d) {
+          push = buf.readUInt16LE(i);
+          b.push('OP_PUSHDATA2');
+          i += 2;
+        } else if (op === 0x4e) {
+          push = buf.readUInt32LE(i);
+          b.push('OP_PUSHDATA4');
+          i += 4;
+        } else {
+          push = op;
+          b.push('OP_PUSHBYTES_' + push);
+        }
+
+        const data = buf.slice(i, i + push);
+        if (data.length !== push) {
+          break;
+        }
+
+        b.push(data.toString('hex'));
+        i += data.length;
+      } else {
+        if (op === 0x00) {
+          b.push('OP_0');
+        } else if (op === 0x4f) {
+          b.push('OP_PUSHNUM_NEG1');
+        } else if (op === 0xb1) {
+          b.push('OP_CLTV');
+        } else if (op === 0xb2) {
+          b.push('OP_CSV');
+        } else if (op === 0xba) {
+          b.push('OP_CHECKSIGADD');
+        } else {
+          const opcode = bitcoinjs.script.toASM([ op ]);
+          if (opcode && op < 0xfd) {
+            if (/^OP_(\d+)$/.test(opcode)) {
+              b.push(opcode.replace(/^OP_(\d+)$/, 'OP_PUSHNUM_$1'));
+            } else {
+              b.push(opcode);
+            }
+          } else {
+            b.push('OP_RETURN_' + op);
+          }
+        }
+        i += 1;
+      }
+    }
+
+    return b.join(' ');
+  }
+
+  /**
+   * This function must only be called when we know the witness we are parsing
+   * is a taproot witness.
+   * @param witness An array of hex strings that represents the witness stack of
+   *                the input.
+   * @returns null if the witness is not a script spend, and the hex string of
+   *          the script item if it is a script spend.
+   */
+  public witnessToP2TRScript(witness: string[]): string | null {
+    if (witness.length < 2) return null;
+    // Note: see BIP341 for parsing details of witness stack
+
+    // If there are at least two witness elements, and the first byte of the
+    // last element is 0x50, this last element is called annex a and
+    // is removed from the witness stack.
+    const hasAnnex = witness[witness.length - 1].substring(0, 2) === '50';
+    // If there are at least two witness elements left, script path spending is used.
+    // Call the second-to-last stack element s, the script.
+    // (Note: this phrasing from BIP341 assumes we've *removed* the annex from the stack)
+    if (hasAnnex && witness.length < 3) return null;
+    const positionOfScript = hasAnnex ? witness.length - 3 : witness.length - 2;
+    return witness[positionOfScript];
+  }
 }

 export default new TransactionUtils();
--- a/backend/src/api/websocket-handler.ts
+++ b/backend/src/api/websocket-handler.ts
@@ -604,7 +604,7 @@ class WebsocketHandler {
        }
      }

-      if (client['track-mempool-block'] >= 0) {
+      if (client['track-mempool-block'] >= 0 && memPool.isInSync()) {
        const index = client['track-mempool-block'];
        if (mBlockDeltas[index]) {
          response['projected-block-transactions'] = getCachedResponse(`projected-block-transactions-${index}`, {
@@ -644,7 +644,7 @@ class WebsocketHandler {
    memPool.handleMinedRbfTransactions(rbfTransactions);
    memPool.removeFromSpendMap(transactions);

-    if (config.MEMPOOL.AUDIT) {
+    if (config.MEMPOOL.AUDIT && memPool.isInSync()) {
      let projectedBlocks;
      let auditMempool = _memPool;
      // template calculation functions have mempool side effects, so calculate audits using
@@ -665,7 +665,7 @@ class WebsocketHandler {
        projectedBlocks = mempoolBlocks.getMempoolBlocksWithTransactions();
      }

-      if (Common.indexingEnabled() && memPool.isInSync()) {
+      if (Common.indexingEnabled()) {
        const { censored, added, fresh, sigop, fullrbf, score, similarity } = Audit.auditBlock(transactions, projectedBlocks, auditMempool);
        const matchRate = Math.round(score * 100 * 100) / 100;

@@ -858,7 +858,7 @@ class WebsocketHandler {
        }
      }

-      if (client['track-mempool-block'] >= 0) {
+      if (client['track-mempool-block'] >= 0 && memPool.isInSync()) {
        const index = client['track-mempool-block'];
        if (mBlockDeltas && mBlockDeltas[index]) {
          response['projected-block-transactions'] = getCachedResponse(`projected-block-transactions-${index}`, {
--- a/backend/src/config.ts
+++ b/backend/src/config.ts
@@ -5,13 +5,14 @@ const configFromFile = require(
 interface IConfig {
  MEMPOOL: {
    ENABLED: boolean;
-    NETWORK: 'mainnet' | 'testnet' | 'signet' | 'regtest' | 'liquid' | 'liquidtestnet';
+    NETWORK: 'mainnet' | 'testnet' | 'signet' | 'liquid' | 'liquidtestnet';
    BACKEND: 'esplora' | 'electrum' | 'none';
    HTTP_PORT: number;
    SPAWN_CLUSTER_PROCS: number;
    API_URL_PREFIX: string;
    POLL_RATE_MS: number;
    CACHE_DIR: string;
+    CACHE_ENABLED: boolean;
    CLEAR_PROTECTION_MINUTES: number;
    RECOMMENDED_FEE_PERCENTILE: number;
    BLOCK_WEIGHT_UNITS: number;
@@ -137,7 +138,11 @@ interface IConfig {
    AUDIT: boolean;
    AUDIT_START_HEIGHT: number;
    SERVERS: string[];
-  }
+  },
+  REDIS: {
+    ENABLED: boolean;
+    UNIX_SOCKET_PATH: string;
+  },
 }

 const defaults: IConfig = {
@@ -150,6 +155,7 @@ const defaults: IConfig = {
    'API_URL_PREFIX': '/api/v1/',
    'POLL_RATE_MS': 2000,
    'CACHE_DIR': './cache',
+    'CACHE_ENABLED': true,
    'CLEAR_PROTECTION_MINUTES': 20,
    'RECOMMENDED_FEE_PERCENTILE': 50,
    'BLOCK_WEIGHT_UNITS': 4000000,
@@ -275,7 +281,11 @@ const defaults: IConfig = {
    'AUDIT': false,
    'AUDIT_START_HEIGHT': 774000,
    'SERVERS': [],
-  }
+  },
+  'REDIS': {
+    'ENABLED': false,
+    'UNIX_SOCKET_PATH': '',
+  },
 };

 class Config implements IConfig {
@@ -296,6 +306,7 @@ class Config implements IConfig {
  EXTERNAL_DATA_SERVER: IConfig['EXTERNAL_DATA_SERVER'];
  MAXMIND: IConfig['MAXMIND'];
  REPLICATION: IConfig['REPLICATION'];
+  REDIS: IConfig['REDIS'];

  constructor() {
    const configs = this.merge(configFromFile, defaults);
@@ -316,6 +327,7 @@ class Config implements IConfig {
    this.EXTERNAL_DATA_SERVER = configs.EXTERNAL_DATA_SERVER;
    this.MAXMIND = configs.MAXMIND;
    this.REPLICATION = configs.REPLICATION;
+    this.REDIS = configs.REDIS;
  }

  merge = (...objects: object[]): IConfig => {
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -41,6 +41,7 @@ import chainTips from './api/chain-tips';
 import { AxiosError } from 'axios';
 import v8 from 'v8';
 import { formatBytes, getBytesUnit } from './utils/format';
+import redisCache from './api/redis-cache';

 class Server {
  private wss: WebSocket.Server | undefined;
@@ -122,7 +123,11 @@ class Server {
    await poolsUpdater.updatePoolsJson(); // Needs to be done before loading the disk cache because we sometimes wipe it
    await syncAssets.syncAssets$();
    if (config.MEMPOOL.ENABLED) {
-      await diskCache.$loadMempoolCache();
+      if (config.MEMPOOL.CACHE_ENABLED) {
+        await diskCache.$loadMempoolCache();
+      } else if (config.REDIS.ENABLED) {
+        await redisCache.$loadCache();
+      }
    }

    if (config.STATISTICS.ENABLED && config.DATABASE.ENABLED && cluster.isPrimary) {
--- a/backend/src/repositories/PoolsRepository.ts
+++ b/backend/src/repositories/PoolsRepository.ts
@@ -99,7 +99,7 @@ class PoolsRepository {
      if (parse) {
        rows[0].regexes = JSON.parse(rows[0].regexes);
      }
-      if (['testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK)) {
+      if (['testnet', 'signet'].includes(config.MEMPOOL.NETWORK)) {
        rows[0].addresses = []; // pools-v2.json only contains mainnet addresses
      } else if (parse) {
        rows[0].addresses = JSON.parse(rows[0].addresses);
@@ -131,7 +131,7 @@ class PoolsRepository {
      if (parse) {
        rows[0].regexes = JSON.parse(rows[0].regexes);
      }
-      if (['testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK)) {
+      if (['testnet', 'signet'].includes(config.MEMPOOL.NETWORK)) {
        rows[0].addresses = []; // pools.json only contains mainnet addresses
      } else if (parse) {
        rows[0].addresses = JSON.parse(rows[0].addresses);
--- a/backend/src/tasks/pools-updater.ts
+++ b/backend/src/tasks/pools-updater.ts
@@ -17,7 +17,7 @@ class PoolsUpdater {
  treeUrl: string = config.MEMPOOL.POOLS_JSON_TREE_URL;

  public async updatePoolsJson(): Promise<void> {
-    if (['mainnet', 'testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK) === false ||
+    if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK) === false ||
      config.MEMPOOL.ENABLED === false
    ) {
      return;
--- a/backend/src/tasks/price-updater.ts
+++ b/backend/src/tasks/price-updater.ts
@@ -73,7 +73,7 @@ class PriceUpdater {
  }

  public async $run(): Promise<void> {
-    if (['testnet', 'signet', 'regtest'].includes(config.MEMPOOL.NETWORK)) {
+    if (config.MEMPOOL.NETWORK === 'signet' || config.MEMPOOL.NETWORK === 'testnet') {
      // Coins have no value on testnet/signet, so we want to always show 0
      return;
    }
--- a/docker/frontend/entrypoint.sh
+++ b/docker/frontend/entrypoint.sh
@@ -18,7 +18,6 @@ fi

 __TESTNET_ENABLED__=${TESTNET_ENABLED:=false}
 __SIGNET_ENABLED__=${SIGNET_ENABLED:=false}
-__REGTEST_ENABLED__=${REGTEST_ENABLED:=false}
 __LIQUID_ENABLED__=${LIQUID_EANBLED:=false}
 __LIQUID_TESTNET_ENABLED__=${LIQUID_TESTNET_ENABLED:=false}
 __BISQ_ENABLED__=${BISQ_ENABLED:=false}
@@ -45,7 +44,6 @@ __HISTORICAL_PRICE__=${HISTORICAL_PRICE:=true}
 # Export as environment variables to be used by envsubst
 export __TESTNET_ENABLED__
 export __SIGNET_ENABLED__
-export __REGTEST_ENABLED__
 export __LIQUID_ENABLED__
 export __LIQUID_TESTNET_ENABLED__
 export __BISQ_ENABLED__
--- a/frontend/mempool-frontend-config.sample.json
+++ b/frontend/mempool-frontend-config.sample.json
@@ -1,7 +1,6 @@
 {
  "TESTNET_ENABLED": false,
  "SIGNET_ENABLED": false,
-  "REGTEST_ENABLED": false,
  "LIQUID_ENABLED": false,
  "LIQUID_TESTNET_ENABLED": false,
  "BISQ_ENABLED": false,
--- a/frontend/src/app/app-routing.module.ts
+++ b/frontend/src/app/app-routing.module.ts
@@ -249,115 +249,6 @@ let routes: Routes = [
      },
    ]
  },
-  {
-    path: 'regtest',
-    children: [
-      {
-        path: 'mining/blocks',
-        redirectTo: 'blocks',
-        pathMatch: 'full'
-      },
-      {
-        path: '',
-        pathMatch: 'full',
-        loadChildren: () => import('./graphs/graphs.module').then(m => m.GraphsModule)
-      },
-      {
-        path: '',
-        component: MasterPageComponent,
-        children: [
-          {
-            path: 'tx/push',
-            component: PushTransactionComponent,
-          },
-          {
-            path: 'about',
-            component: AboutComponent,
-          },
-          {
-            path: 'blocks',
-            component: BlocksList,
-          },
-          {
-            path: 'rbf',
-            component: RbfList,
-          },
-          {
-            path: 'terms-of-service',
-            component: TermsOfServiceComponent
-          },
-          {
-            path: 'privacy-policy',
-            component: PrivacyPolicyComponent
-          },
-          {
-            path: 'trademark-policy',
-            component: TrademarkPolicyComponent
-          },
-          {
-            path: 'address/:id',
-            children: [],
-            component: AddressComponent,
-            data: {
-              ogImage: true,
-              networkSpecific: true,
-            }
-          },
-          {
-            path: 'tx',
-            data: { networkSpecific: true },
-            component: StartComponent,
-            children: [
-              {
-                path: ':id',
-                component: TransactionComponent
-              },
-            ],
-          },
-          {
-            path: 'block',
-            data: { networkSpecific: true },
-            component: StartComponent,
-            children: [
-              {
-                path: ':id',
-                component: BlockComponent,
-                data: {
-                  ogImage: true
-                }
-              },
-            ],
-          },
-          {
-            path: 'docs',
-            loadChildren: () => import('./docs/docs.module').then(m => m.DocsModule)
-          },
-          {
-            path: 'api',
-            loadChildren: () => import('./docs/docs.module').then(m => m.DocsModule)
-          },
-          {
-            path: 'lightning',
-            data: { networks: ['bitcoin'] },
-            loadChildren: () => import('./lightning/lightning.module').then(m => m.LightningModule)
-          },
-        ],
-      },
-      {
-        path: 'status',
-        data: { networks: ['bitcoin', 'liquid'] },
-        component: StatusViewComponent
-      },
-      {
-        path: '',
-        loadChildren: () => import('./graphs/graphs.module').then(m => m.GraphsModule)
-      },
-      {
-        path: '**',
-        redirectTo: '/signet'
-      },
-    ]
-  },
  {
    path: '',
    pathMatch: 'full',
--- a/frontend/src/app/bitcoin.utils.ts
+++ b/frontend/src/app/bitcoin.utils.ts
@@ -271,11 +271,6 @@ const featureActivation = {
    segwit: 0,
    taproot: 0,
  },
-  regtest: {
-    rbf: 0,
-    segwit: 0,
-    taproot: 0,
-  },
 };

 export function isFeatureActive(network: string, height: number, feature: 'rbf' | 'segwit' | 'taproot'): boolean {
--- a/frontend/src/app/components/bisq-master-page/bisq-master-page.component.html
+++ b/frontend/src/app/components/bisq-master-page/bisq-master-page.component.html
@@ -39,7 +39,7 @@
    </ng-container>
  </a>

-  <div ngbDropdown (window:resize)="onResize($event)" class="dropdown-container" *ngIf="env.TESTNET_ENABLED || env.SIGNET_ENABLED || env.REGTEST_ENABLED || env.LIQUID_ENABLED || env.BISQ_ENABLED || env.LIQUID_TESTNET_ENABLED">
+  <div ngbDropdown (window:resize)="onResize($event)" class="dropdown-container" *ngIf="env.TESTNET_ENABLED || env.SIGNET_ENABLED || env.LIQUID_ENABLED || env.BISQ_ENABLED || env.LIQUID_TESTNET_ENABLED">
    <button ngbDropdownToggle type="button" class="btn btn-secondary dropdown-toggle-split d-flex justify-content-center align-items-center" aria-haspopup="true">
      <app-svg-images class="d-flex justify-content-center align-items-center current-network-svg" name="bisq" width="20" height="20" viewBox="0 0 80 80"></app-svg-images>
    </button>
@@ -47,7 +47,6 @@
      <a [href]="env.MEMPOOL_WEBSITE_URL + urlLanguage + (networkPaths['mainnet'] || '/')" ngbDropdownItem class="mainnet"><app-svg-images name="bitcoin" width="22" height="22" viewBox="0 0 65 65" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Mainnet</a>
      <a [href]="env.MEMPOOL_WEBSITE_URL + urlLanguage + (networkPaths['signet'] || '/signet')" ngbDropdownItem *ngIf="env.SIGNET_ENABLED" class="signet"><app-svg-images name="signet" width="22" height="22" viewBox="0 0 65 65" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Signet</a>
      <a [href]="env.MEMPOOL_WEBSITE_URL + urlLanguage + (networkPaths['testnet'] || '/testnet')" ngbDropdownItem *ngIf="env.TESTNET_ENABLED" class="testnet"><app-svg-images name="testnet" width="22" height="22" viewBox="0 0 65 65" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Testnet</a>
-      <a [href]="env.MEMPOOL_WEBSITE_URL + urlLanguage + (networkPaths['regtest'] || '/regtest')" ngbDropdownItem *ngIf="env.REGTEST_ENABLED" class="regtest"><app-svg-images name="regtest" width="22" height="22" viewBox="0 0 65 65" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Regtest</a>
      <h6 class="dropdown-header" i18n="master-page.layer2-networks-header">Layer 2 Networks</h6>
      <a ngbDropdownItem class="mainnet active" [routerLink]="networkPaths['bisq'] || '/'"><app-svg-images name="bisq" width="20" height="20" viewBox="0 0 75 75" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Bisq</a>
      <a [href]="env.LIQUID_WEBSITE_URL + urlLanguage + (networkPaths['liquid'] || '/')" ngbDropdownItem *ngIf="env.LIQUID_ENABLED" class="liquid"><app-svg-images name="liquid" width="22" height="22" viewBox="0 0 125 125" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Liquid</a>
--- a/frontend/src/app/components/bisq-master-page/bisq-master-page.component.scss
+++ b/frontend/src/app/components/bisq-master-page/bisq-master-page.component.scss
@@ -120,10 +120,6 @@ nav {
  background-color: #6f1d5d;
 }

-.regtest.active {
-  background-color: #a5a5a5;
-}
-
 .dropdown-divider {
  border-top: 1px solid #121420;
 }
--- a/frontend/src/app/components/block/block.component.ts
+++ b/frontend/src/app/components/block/block.component.ts
@@ -676,7 +676,6 @@ export class BlockComponent implements OnInit, OnDestroy {
        }
        break;
      case 'signet':
-      case 'regtest':
        if (blockHeight < this.stateService.env.SIGNET_BLOCK_AUDIT_START_HEIGHT) {
          return false;
        }
--- a/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.ts
+++ b/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.ts
@@ -68,7 +68,6 @@ export class BlockchainBlocksComponent implements OnInit, OnChanges, OnDestroy {
    'liquidtestnet': ['#494a4a', '#272e46'],
    testnet: ['#1d486f', '#183550'],
    signet: ['#6f1d5d', '#471850'],
-    regtest: ['#9339f4', '#105fb0'],
  };

  constructor(
@@ -87,7 +86,7 @@ export class BlockchainBlocksComponent implements OnInit, OnChanges, OnDestroy {
  ngOnInit() {
    this.dynamicBlocksAmount = Math.min(8, this.stateService.env.KEEP_BLOCKS_AMOUNT);

-    if (['', 'testnet', 'signet', 'regtest'].includes(this.stateService.network)) {
+    if (['', 'testnet', 'signet'].includes(this.stateService.network)) {
      this.enabledMiningInfoIfNeeded(this.location.path());
      this.location.onUrlChange((url) => this.enabledMiningInfoIfNeeded(url));
    }
--- a/frontend/src/app/components/clock/clock.component.ts
+++ b/frontend/src/app/components/clock/clock.component.ts
@@ -38,7 +38,6 @@ export class ClockComponent implements OnInit {
    'liquidtestnet': ['#494a4a', '#272e46'],
    testnet: ['#1d486f', '#183550'],
    signet: ['#6f1d5d', '#471850'],
-    regtest: ['#9339f4', '#105fb0'],
  };

  constructor(
--- a/frontend/src/app/components/liquid-master-page/liquid-master-page.component.html
+++ b/frontend/src/app/components/liquid-master-page/liquid-master-page.component.html
@@ -44,7 +44,7 @@
    </ng-container>
  </a>

-  <div ngbDropdown (window:resize)="onResize()" class="dropdown-container" *ngIf="env.TESTNET_ENABLED || env.SIGNET_ENABLED || env.REGTEST_ENABLED || env.LIQUID_ENABLED || env.BISQ_ENABLED || env.LIQUID_TESTNET_ENABLED">
+  <div ngbDropdown (window:resize)="onResize()" class="dropdown-container" *ngIf="env.TESTNET_ENABLED || env.SIGNET_ENABLED || env.LIQUID_ENABLED || env.BISQ_ENABLED || env.LIQUID_TESTNET_ENABLED">
    <button ngbDropdownToggle type="button" class="btn btn-secondary dropdown-toggle-split d-flex justify-content-center align-items-center" aria-haspopup="true">
      <app-svg-images class="d-flex justify-content-center align-items-center current-network-svg" [name]="network.val === '' ? 'liquid' : network.val" width="20" height="20" viewBox="0 0 125 125"></app-svg-images>
    </button>
@@ -52,7 +52,6 @@
      <a [href]="env.MEMPOOL_WEBSITE_URL + urlLanguage + (networkPaths['mainnet'] || '')" ngbDropdownItem class="mainnet"><app-svg-images name="bitcoin" width="22" height="22" viewBox="0 0 65 65" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Mainnet</a>
      <a [href]="env.MEMPOOL_WEBSITE_URL + urlLanguage + (networkPaths['signet'] || '/signet')" ngbDropdownItem *ngIf="env.SIGNET_ENABLED" class="signet"><app-svg-images name="signet" width="22" height="22" viewBox="0 0 65 65" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Signet</a>
      <a [href]="env.MEMPOOL_WEBSITE_URL + urlLanguage + (networkPaths['testnet'] || '/testnet')" ngbDropdownItem *ngIf="env.TESTNET_ENABLED" class="testnet"><app-svg-images name="testnet" width="22" height="22" viewBox="0 0 65 65" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Testnet</a>
-      <a [href]="env.MEMPOOL_WEBSITE_URL + urlLanguage + (networkPaths['regtest'] || '/regtest')" ngbDropdownItem *ngIf="env.REGTEST_ENABLED" class="regtest"><app-svg-images name="regtest" width="22" height="22" viewBox="0 0 65 65" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Regtest</a>
      <h6 class="dropdown-header" i18n="master-page.layer2-networks-header">Layer 2 Networks</h6>
      <a [href]="env.BISQ_WEBSITE_URL + urlLanguage + (networkPaths['bisq'] || '')" ngbDropdownItem class="mainnet"><app-svg-images name="bisq" width="22" height="22" viewBox="0 0 75 75" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Bisq</a>
      <a ngbDropdownItem class="liquid mr-1" [class.active]="network.val === 'liquid'" [routerLink]="networkPaths['liquid'] || '/'"><app-svg-images name="liquid" width="22" height="22" viewBox="0 0 125 125" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Liquid</a>
--- a/frontend/src/app/components/liquid-master-page/liquid-master-page.component.scss
+++ b/frontend/src/app/components/liquid-master-page/liquid-master-page.component.scss
@@ -114,10 +114,6 @@ nav {
  background-color: #6f1d5d;
 }

-.regtest.active {
-  background-color: #a5a5a5;
-}
-
 .dropdown-divider {
  border-top: 1px solid #121420;
 }
--- a/frontend/src/app/components/master-page-preview/master-page-preview.component.html
+++ b/frontend/src/app/components/master-page-preview/master-page-preview.component.html
@@ -9,7 +9,6 @@
    <div [ngSwitch]="network.val">
      <span *ngSwitchCase="'signet'" class="network signet"><app-svg-images name="signet" width="35" height="35" viewBox="0 0 65 65" style="width: 40px; height: 48px;" class="mainnet mr-1"></app-svg-images> Signet</span>
      <span *ngSwitchCase="'testnet'" class="network testnet"><app-svg-images name="testnet" width="35" height="35" viewBox="0 0 65 65" style="width: 40px; height: 48px;" class="mainnet mr-1"></app-svg-images> Testnet</span>
-      <span *ngSwitchCase="'regtest'" class="network regtest"><app-svg-images name="regtest" width="35" height="35" viewBox="0 0 65 65" style="width: 40px; height: 48px;" class="mainnet mr-1"></app-svg-images> Regtest</span>
      <span *ngSwitchCase="'bisq'" class="network bisq"><app-svg-images name="bisq" width="35" height="35" viewBox="0 0 75 75" style="width: 40px; height: 48px;" class="mainnet mr-1"></app-svg-images> Bisq</span>
      <span *ngSwitchCase="'liquid'" class="network liquid"><app-svg-images name="liquid" width="35" height="35" viewBox="0 0 125 125" style="width: 40px; height: 48px;" class="mainnet mr-1"></app-svg-images> Mainnet</span>
      <span *ngSwitchCase="'liquidtestnet'" class="network liquidtestnet"><app-svg-images name="liquidtestnet" width="35" height="35" viewBox="0 0 125 125" style="width: 40px; height: 48px;" class="mainnet mr-1"></app-svg-images> Testnet</span>
--- a/frontend/src/app/components/master-page/master-page.component.html
+++ b/frontend/src/app/components/master-page/master-page.component.html
@@ -17,7 +17,7 @@
    </ng-container>
  </a>

-  <div (window:resize)="onResize()" ngbDropdown class="dropdown-container" *ngIf="env.TESTNET_ENABLED || env.SIGNET_ENABLED || env.REGTEST_ENABLED || env.LIQUID_ENABLED || env.BISQ_ENABLED || env.LIQUID_TESTNET_ENABLED">
+  <div (window:resize)="onResize()" ngbDropdown class="dropdown-container" *ngIf="env.TESTNET_ENABLED || env.SIGNET_ENABLED || env.LIQUID_ENABLED || env.BISQ_ENABLED || env.LIQUID_TESTNET_ENABLED">
    <button ngbDropdownToggle type="button" class="btn btn-secondary dropdown-toggle-split d-flex justify-content-center align-items-center" aria-haspopup="true">
      <app-svg-images class="d-flex justify-content-center align-items-center current-network-svg" [name]="network.val === '' ? 'bitcoin' : network.val" width="20" height="20" viewBox="0 0 65 65"></app-svg-images>
    </button>
@@ -25,7 +25,6 @@
      <a ngbDropdownItem class="mainnet" [routerLink]="networkPaths['mainnet'] || '/'"><app-svg-images name="bitcoin" width="22" height="22" viewBox="0 0 65 65" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Mainnet</a>
      <a ngbDropdownItem *ngIf="env.SIGNET_ENABLED" class="signet" [class.active]="network.val === 'signet'" [routerLink]="networkPaths['signet'] || '/signet'"><app-svg-images name="signet" width="22" height="22" viewBox="0 0 65 65" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Signet</a>
      <a ngbDropdownItem *ngIf="env.TESTNET_ENABLED" class="testnet" [class.active]="network.val === 'testnet'" [routerLink]="networkPaths['testnet'] || '/testnet'"><app-svg-images name="testnet" width="22" height="22" viewBox="0 0 65 65" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Testnet</a>
-      <a ngbDropdownItem *ngIf="env.REGTEST_ENABLED" class="regtest" [class.active]="network.val === 'regtest'" [routerLink]="networkPaths['regtest'] || '/regtest'"><app-svg-images name="regtest" width="22" height="22" viewBox="0 0 65 65" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Regtest</a>
      <h6 *ngIf="env.LIQUID_ENABLED || env.BISQ_ENABLED" class="dropdown-header" i18n="master-page.layer2-networks-header">Layer 2 Networks</h6>
      <a [href]="env.BISQ_WEBSITE_URL + urlLanguage + (networkPaths['bisq'] || '')" ngbDropdownItem *ngIf="env.BISQ_ENABLED" class="bisq"><app-svg-images name="bisq" width="20" height="20" viewBox="0 0 75 75" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Bisq</a>
      <a [href]="env.LIQUID_WEBSITE_URL + urlLanguage + (networkPaths['liquid'] || '')" ngbDropdownItem *ngIf="env.LIQUID_ENABLED" class="liquid" [class.active]="network.val === 'liquid'"><app-svg-images name="liquid" width="22" height="22" viewBox="0 0 125 125" style="width: 25px; height: 25px;" class="mainnet mr-1"></app-svg-images> Liquid</a>
@@ -63,7 +62,7 @@
 </nav>
 </header>

-<app-testnet-alert *ngIf="network.val === 'testnet' || network.val === 'signet' || network.val === 'regtest'"></app-testnet-alert>
+<app-testnet-alert *ngIf="network.val === 'testnet' || network.val === 'signet'"></app-testnet-alert>

 <main>
  <router-outlet></router-outlet>
--- a/frontend/src/app/components/master-page/master-page.component.scss
+++ b/frontend/src/app/components/master-page/master-page.component.scss
@@ -131,10 +131,6 @@ nav {
  background-color: #6f1d5d;
 }

-.regtest.active {
-  background-color: #a5a5a5;
-}
-
 .dropdown-divider {
  border-top: 1px solid #121420;
 }
--- a/frontend/src/app/components/mempool-blocks/mempool-blocks.component.ts
+++ b/frontend/src/app/components/mempool-blocks/mempool-blocks.component.ts
@@ -93,7 +93,7 @@ export class MempoolBlocksComponent implements OnInit, OnChanges, OnDestroy {
  ngOnInit() {
    this.chainTip = this.stateService.latestBlockHeight;

-    if (['', 'testnet', 'signet', 'regtest'].includes(this.stateService.network)) {
+    if (['', 'testnet', 'signet'].includes(this.stateService.network)) {
      this.enabledMiningInfoIfNeeded(this.location.path());
      this.location.onUrlChange((url) => this.enabledMiningInfoIfNeeded(url));
    }
@@ -117,7 +117,14 @@ export class MempoolBlocksComponent implements OnInit, OnChanges, OnDestroy {
    });
    this.reduceMempoolBlocksToFitScreen(this.mempoolBlocks);
    this.stateService.isTabHidden$.subscribe((tabHidden) => this.tabHidden = tabHidden);
-    this.loadingBlocks$ = this.stateService.isLoadingWebSocket$;
+    this.loadingBlocks$ = combineLatest([
+      this.stateService.isLoadingWebSocket$,
+      this.stateService.isLoadingMempool$
+    ]).pipe(
+      switchMap(([loadingBlocks, loadingMempool]) => {
+        return of(loadingBlocks || loadingMempool);
+      })
+    );

    this.mempoolBlocks$ = merge(
      of(true),
--- a/frontend/src/app/components/svg-images/svg-images.component.html
+++ b/frontend/src/app/components/svg-images/svg-images.component.html
@@ -60,9 +60,6 @@
  <ng-container *ngSwitchCase="'testnet'">
    <ng-component *ngTemplateOutlet="bitcoinLogo; context: {$implicit: '#5fd15c', width, height, viewBox}"></ng-component>
  </ng-container>
-  <ng-container *ngSwitchCase="'regtest'">
-    <ng-component *ngTemplateOutlet="bitcoinLogo; context: {$implicit: '#a5a5a5', width, height, viewBox}"></ng-component>
-  </ng-container>
  <ng-container *ngSwitchCase="'bisq'">
    <svg xmlns="http://www.w3.org/2000/svg" [attr.width]="width" [attr.height]="height" [attr.viewBox]="viewBox"><path id="Combined-Shape" fill="#25b135" d="M62.6 18.2c2.6 5.7 3.2 6.8 5.2 12.6 1.1 3.6-1.2 9-10.6 4.4-6.8-3.2-11.7-5.5-7.6-10.9 2-2.6 4.2-5 6.6-7.3 2.5-2.2 4.1-3.6 6.4 1.2zm-2.3 36.4c5-4.9 11.9.6 7.1 7.1C57.6 75 40.7 80.3 25.5 74.9S0 55 0 38.3c0-10 3.3-18.4 9.6-25.9C15.7 5.6 24.8.1 33.8 0 46.4 0 52 11 47.6 17.2c-5 6.8-10.7 6.3-15 3.3 0 0-5.9-4.2-7.6-5.6-2.7-2.1-5.6-2.1-6.7 1.3-1.9 6-2.8 9.8-4.3 15.8-.7 3-1 6.1-1.1 9.2 0 5.7 2.5 11.1 6.8 14.6 3 2.8 6.1 5.3 9.5 7.5 2.7 1.9 5.9 2.9 9.1 2.9h.3c3.2-.1 6.4-1.1 9.1-2.9 4.4-2.6 8.6-5.5 12.6-8.7zm-35.4-7c-1.8-.7-5.8-4.2-4.6-6.8.5-1.4 3.9-1.8 5-1.8 6.2-.1 6.5 11.1-.4 8.6zm11.1 12c-.8-.7-2.3-2.2-3.6-3.4-.4-.4-.4-1-.2-1.4.3-.5.8-.8 1.4-.7 2.4-.1 4.8-.1 7.1 0 .6 0 1 .4 1.2.8.2.5.1 1-.3 1.3-1.3 1.2-2.8 2.7-3.5 3.4-.3.3-.7.4-1.1.4-.4 0-.7-.1-1-.4zm14.1-12c-6.9 2.5-6.7-8.8-.4-8.6 1.1 0 4.4.4 5 1.8 1.3 2.7-2.8 6.2-4.6 6.8z"/></svg>
  </ng-container>
--- a/frontend/src/app/components/tx-bowtie-graph/tx-bowtie-graph.component.ts
+++ b/frontend/src/app/components/tx-bowtie-graph/tx-bowtie-graph.component.ts
@@ -92,7 +92,6 @@ export class TxBowtieGraphComponent implements OnInit, OnChanges {
    testnet: ['#4edf77', '#10a0af', '#4edf7700'],
    // signet: ['#6f1d5d', '#471850'],
    signet: ['#d24fc8', '#a84fd2', '#d24fc800'],
-    regtest: ['#9339f4', '#105fb0', '#9339f400'],
  };

  gradient: string[] = ['#105fb0', '#105fb0'];
--- a/frontend/src/app/lightning/channel/channel-close-box/channel-close-box.component.html
+++ b/frontend/src/app/lightning/channel/channel-close-box/channel-close-box.component.html
@@ -1,19 +1,43 @@
 <div class="box">
-  <table class="table table-borderless table-striped">
-    <tbody>
-      <tr></tr>
-      <tr>
-        <td i18n="lightning.starting-balance|Channel starting balance">Starting balance</td>
-        <td *ngIf="showStartingBalance && minStartingBalance === maxStartingBalance"><app-sats [satoshis]="minStartingBalance"></app-sats></td>
-        <td *ngIf="showStartingBalance && minStartingBalance !== maxStartingBalance">{{ minStartingBalance | number : '1.0-0' }} - {{ maxStartingBalance | number : '1.0-0' }}<app-sats [valueOverride]=" "></app-sats></td>
-        <td *ngIf="!showStartingBalance">?</td>
-      </tr>
-      <tr *ngIf="channel.status === 2">
-        <td i18n="lightning.closing-balance|Channel closing balance">Closing balance</td>
-        <td *ngIf="showClosingBalance && minClosingBalance === maxClosingBalance"><app-sats [satoshis]="minClosingBalance"></app-sats></td>
-        <td *ngIf="showClosingBalance && minClosingBalance !== maxClosingBalance">{{ minClosingBalance | number : '1.0-0' }} - {{ maxClosingBalance | number : '1.0-0' }}<app-sats [valueOverride]=" "></app-sats></td>
-        <td *ngIf="!showClosingBalance">?</td>
-      </tr>
-    </tbody>
-  </table>
+  <div class="starting-balance" *ngIf="showStartingBalance">
+    <h5 i18n="lightning.starting-balance|Channel starting balance">Starting balance</h5>
+    <div class="nodes">
+      <h5 class="alias">{{ left.alias }}</h5>
+      <h5 class="alias">{{ right.alias }}</h5>
+    </div>
+    <div class="balances">
+      <div class="balance left">
+        <span class="value" *ngIf="minStartingBalance !== maxStartingBalance">{{ minStartingBalance | number : '1.0-0' }} - {{ maxStartingBalance | number : '1.0-0' }}<app-sats [valueOverride]=" "></app-sats></span>
+        <span class="value" *ngIf="minStartingBalance === maxStartingBalance">{{ minStartingBalance | number : '1.0-0' }}<app-sats [valueOverride]=" "></app-sats></span>
+      </div>
+      <div class="balance right">
+        <span class="value" *ngIf="minStartingBalance !== maxStartingBalance">{{ channel.capacity - maxStartingBalance | number : '1.0-0' }} - {{ channel.capacity - minStartingBalance | number : '1.0-0' }}<app-sats [valueOverride]=" "></app-sats></span>
+        <span class="value" *ngIf="minStartingBalance === maxStartingBalance">{{ channel.capacity - maxStartingBalance | number : '1.0-0' }}<app-sats [valueOverride]=" "></app-sats></span>
+      </div>
+    </div>
+    <div class="balance-bar">
+      <div class="bar left" [class.hide-value]="hideStartingLeft" [style]="startingBalanceStyle.left"></div>
+      <div class="bar center" [style]="startingBalanceStyle.center"></div>
+      <div class="bar right"  [class.hide-value]="hideStartingRight" [style]="startingBalanceStyle.right"></div>
+    </div>
+  </div>
+  <br>
+  <div class="closing-balance" *ngIf="showClosingBalance">
+    <h5 i18n="lightning.closing-balance|Channel closing balance">Closing balance</h5>
+    <div class="balances">
+      <div class="balance left">
+        <span class="value" *ngIf="minClosingBalance !== maxClosingBalance">{{ minClosingBalance | number : '1.0-0' }} - {{ maxClosingBalance | number : '1.0-0' }}<app-sats [valueOverride]=" "></app-sats></span>
+        <span class="value" *ngIf="minClosingBalance === maxClosingBalance">{{ minClosingBalance | number : '1.0-0' }}<app-sats [valueOverride]=" "></app-sats></span>
+      </div>
+      <div class="balance right">
+        <span class="value" *ngIf="minClosingBalance !== maxClosingBalance">{{ channel.capacity - maxClosingBalance | number : '1.0-0' }} - {{ channel.capacity - minClosingBalance | number : '1.0-0' }}<app-sats [valueOverride]=" "></app-sats></span>
+        <span class="value" *ngIf="minClosingBalance === maxClosingBalance">{{ channel.capacity - maxClosingBalance | number : '1.0-0' }}<app-sats [valueOverride]=" "></app-sats></span>
+      </div>
+    </div>
+    <div class="balance-bar">
+      <div class="bar left" [class.hide-value]="hideClosingLeft" [style]="closingBalanceStyle.left"></div>
+      <div class="bar center" [style]="closingBalanceStyle.center"></div>
+      <div class="bar right" [class.hide-value]="hideClosingRight" [style]="closingBalanceStyle.right"></div>
+    </div>
+  </div>
 </div>
--- a/frontend/src/app/lightning/channel/channel-close-box/channel-close-box.component.scss
+++ b/frontend/src/app/lightning/channel/channel-close-box/channel-close-box.component.scss
@@ -6,4 +6,98 @@
  .box {
    margin-bottom: 20px;
  }
+}
+
+.starting-balance, .closing-balance {
+  width: 100%;
+
+  h5 {
+    text-align: center;
+  }
+}
+
+.nodes {
+  display: none;
+  flex-direction: row;
+  align-items: baseline;
+  justify-content: space-between;
+
+  @media (max-width: 768px) {
+    display: flex;
+	}
+}
+
+.balances {
+  display: flex;
+  flex-direction: row;
+  align-items: baseline;
+  justify-content: space-between;
+  margin-bottom: 8px;
+
+  .balance {
+    &.left {
+      text-align: start;
+    }
+    &.right {
+      text-align: end;
+    }
+  }
+}
+
+.balance-bar {
+  width: 100%;
+  height: 2em;
+  position: relative;
+
+  .bar {
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    height: 100%;
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+    justify-content: center;
+
+    &.left {
+      background: #105fb0;
+    }
+    &.center {
+      background: repeating-linear-gradient(
+        60deg,
+        #105fb0 0,
+        #105fb0 12px,
+        #1a9436 12px,
+        #1a9436 24px
+      );
+    }
+    &.right {
+      background: #1a9436;
+    }
+
+    .value {
+      flex: 0;
+      white-space: nowrap;
+    }
+
+    &.hide-value {
+      .value {
+        display: none;
+      }
+    }
+  }
+
+  @media (max-width: 768px) {
+    height: 1em;
+
+    .bar.center {
+      background: repeating-linear-gradient(
+        60deg,
+        #105fb0 0,
+        #105fb0 8px,
+        #1a9436 8px,
+        #1a9436 16px
+      )
+    }
+	}
 }
--- a/frontend/src/app/lightning/channel/channel-close-box/channel-close-box.component.ts
+++ b/frontend/src/app/lightning/channel/channel-close-box/channel-close-box.component.ts
@@ -8,8 +8,8 @@ import { ChangeDetectionStrategy, Component, Input, OnChanges, SimpleChanges } f
 })
 export class ChannelCloseBoxComponent implements OnChanges {
  @Input() channel: any;
-  @Input() local: any;
-  @Input() remote: any;
+  @Input() left: any;
+  @Input() right: any;

  showStartingBalance: boolean = false;
  showClosingBalance: boolean = false;
@@ -18,29 +18,55 @@ export class ChannelCloseBoxComponent implements OnChanges {
  minClosingBalance: number;
  maxClosingBalance: number;

+  startingBalanceStyle: {
+    left: string,
+    center: string,
+    right: string,
+  } = {
+    left: '',
+    center: '',
+    right: '',
+  };
+
+  closingBalanceStyle: {
+    left: string,
+    center: string,
+    right: string,
+  } = {
+    left: '',
+    center: '',
+    right: '',
+  };
+
+  hideStartingLeft: boolean = false;
+  hideStartingRight: boolean = false;
+  hideClosingLeft: boolean = false;
+  hideClosingRight: boolean = false;
+
  constructor() { }

  ngOnChanges(changes: SimpleChanges): void {
-    if (this.channel && this.local && this.remote) {
-      this.showStartingBalance = (this.local.funding_balance || this.remote.funding_balance) && this.channel.funding_ratio;
-      this.showClosingBalance = this.local.closing_balance || this.remote.closing_balance;
+    let closingCapacity;
+    if (this.channel && this.left && this.right) {
+      this.showStartingBalance = (this.left.funding_balance || this.right.funding_balance) && this.channel.funding_ratio;
+      this.showClosingBalance = this.left.closing_balance || this.right.closing_balance;

      if (this.channel.single_funded) {
-        if (this.local.funding_balance) {
+        if (this.left.funding_balance) {
          this.minStartingBalance = this.channel.capacity;
          this.maxStartingBalance = this.channel.capacity;
-        } else if (this.remote.funding_balance) {
+        } else if (this.right.funding_balance) {
          this.minStartingBalance = 0;
          this.maxStartingBalance = 0;
        }
      } else {
-        this.minStartingBalance = clampRound(0, this.channel.capacity, this.local.funding_balance * this.channel.funding_ratio);
-        this.maxStartingBalance = clampRound(0, this.channel.capacity, this.channel.capacity - (this.remote.funding_balance * this.channel.funding_ratio));
+        this.minStartingBalance = clampRound(0, this.channel.capacity, this.left.funding_balance * this.channel.funding_ratio);
+        this.maxStartingBalance = clampRound(0, this.channel.capacity, this.channel.capacity - (this.right.funding_balance * this.channel.funding_ratio));
      }

-      const closingCapacity = this.channel.capacity - this.channel.closing_fee;
-      this.minClosingBalance = clampRound(0, closingCapacity, this.local.closing_balance);
-      this.maxClosingBalance = clampRound(0, closingCapacity, closingCapacity - this.remote.closing_balance);
+      closingCapacity = this.channel.capacity - this.channel.closing_fee;
+      this.minClosingBalance = clampRound(0, closingCapacity, this.left.closing_balance);
+      this.maxClosingBalance = clampRound(0, closingCapacity, closingCapacity - this.right.closing_balance);

      // margin of error to account for 2 x 330 sat anchor outputs
      if (Math.abs(this.minClosingBalance - this.maxClosingBalance) <= 660) {
@@ -50,6 +76,26 @@ export class ChannelCloseBoxComponent implements OnChanges {
      this.showStartingBalance = false;
      this.showClosingBalance = false;
    }
+
+    const startingMinPc = (this.minStartingBalance / this.channel.capacity) * 100;
+    const startingMaxPc = (this.maxStartingBalance / this.channel.capacity) * 100;
+    this.startingBalanceStyle = {
+      left: `left: 0%; right: ${100 - startingMinPc}%;`,
+      center: `left: ${startingMinPc}%; right: ${100 -startingMaxPc}%;`,
+      right: `left: ${startingMaxPc}%; right: 0%;`,
+    };
+    this.hideStartingLeft = startingMinPc < 15;
+    this.hideStartingRight = startingMaxPc > 85;
+
+    const closingMinPc = (this.minClosingBalance / closingCapacity) * 100;
+    const closingMaxPc = (this.maxClosingBalance / closingCapacity) * 100;
+    this.closingBalanceStyle = {
+      left: `left: 0%; right: ${100 - closingMinPc}%;`,
+      center: `left: ${closingMinPc}%; right: ${100 - closingMaxPc}%;`,
+      right: `left: ${closingMaxPc}%; right: 0%;`,
+    };
+    this.hideClosingLeft = closingMinPc < 15;
+    this.hideClosingRight = closingMaxPc > 85;
  }
 }

--- a/frontend/src/app/lightning/channel/channel.component.html
+++ b/frontend/src/app/lightning/channel/channel.component.html
@@ -75,14 +75,14 @@
  <div class="row row-cols-1 row-cols-md-2" *ngIf="!error">
    <div class="col">
      <app-channel-box [channel]="channel.node_left"></app-channel-box>
-      <app-channel-close-box *ngIf="showCloseBoxes(channel)" [channel]="channel" [local]="channel.node_left" [remote]="channel.node_right"></app-channel-close-box>
    </div>
    <div class="col">
      <app-channel-box [channel]="channel.node_right"></app-channel-box>
-      <app-channel-close-box *ngIf="showCloseBoxes(channel)" [channel]="channel" [local]="channel.node_right" [remote]="channel.node_left"></app-channel-close-box>
    </div>
  </div>

+  <app-channel-close-box *ngIf="showCloseBoxes(channel)" [channel]="channel" [left]="channel.node_left" [right]="channel.node_right"></app-channel-close-box>
+
  <br>

  <ng-container *ngIf="transactions$ | async as transactions">
--- a/frontend/src/app/services/enterprise.service.ts
+++ b/frontend/src/app/services/enterprise.service.ts
@@ -38,7 +38,6 @@ export class EnterpriseService {
    this.stateService.env.LIQUID_ENABLED = false;
    this.stateService.env.LIQUID_TESTNET_ENABLED = false;
    this.stateService.env.SIGNET_ENABLED = false;
-    this.stateService.env.REGTEST_ENABLED = false;
    this.stateService.env.BISQ_ENABLED = false;
  }

--- a/frontend/src/app/services/navigation.service.ts
+++ b/frontend/src/app/services/navigation.service.ts
@@ -10,7 +10,6 @@ const networkModules = {
      { name: 'mainnet', path: '' },
      { name: 'testnet', path: '/testnet' },
      { name: 'signet', path: '/signet' },
-      { name: 'regtest', path: '/regtest' },
    ],
  },
  liquid: {
@@ -74,7 +73,7 @@ export class NavigationService {
      }
      if (route.url?.length) {
        path = [path, ...route.url.map(segment => segment.path).filter(path => {
-          return path.length && !['testnet', 'signet', 'regtest'].includes(path);
+          return path.length && !['testnet', 'signet'].includes(path);
        })].join('/');
      }
      route = route.firstChild;
--- a/frontend/src/app/services/seo.service.ts
+++ b/frontend/src/app/services/seo.service.ts
@@ -41,8 +41,6 @@ export class SeoService {
      return this.baseTitle + ' - Bitcoin Testnet';
    if (this.network === 'signet')
      return this.baseTitle + ' - Bitcoin Signet';
-    if (this.network === 'regtest')
-      return this.baseTitle + ' - Bitcoin Regtest';
    if (this.network === 'liquid')
      return this.baseTitle + ' - Liquid Network';
    if (this.network === 'liquidtestnet')
--- a/frontend/src/app/services/state.service.ts
+++ b/frontend/src/app/services/state.service.ts
@@ -21,7 +21,6 @@ export interface ILoadingIndicators { [name: string]: number; }
 export interface Env {
  TESTNET_ENABLED: boolean;
  SIGNET_ENABLED: boolean;
-  REGTEST_ENABLED: boolean;
  LIQUID_ENABLED: boolean;
  LIQUID_TESTNET_ENABLED: boolean;
  BISQ_ENABLED: boolean;
@@ -52,7 +51,6 @@ export interface Env {
 const defaultEnv: Env = {
  'TESTNET_ENABLED': false,
  'SIGNET_ENABLED': false,
-  'REGTEST_ENABLED': false,
  'LIQUID_ENABLED': false,
  'LIQUID_TESTNET_ENABLED': false,
  'BASE_MODULE': 'mempool',
@@ -115,6 +113,7 @@ export class StateService {
  mempoolTxPosition$ = new Subject<{ txid: string, position: MempoolPosition}>();
  blockTransactions$ = new Subject<Transaction>();
  isLoadingWebSocket$ = new ReplaySubject<boolean>(1);
+  isLoadingMempool$ = new BehaviorSubject<boolean>(true);
  vbytesPerSecond$ = new ReplaySubject<number>(1);
  previousRetarget$ = new ReplaySubject<number>(1);
  backendInfo$ = new ReplaySubject<IBackendInfo>(1);
@@ -249,9 +248,9 @@ export class StateService {
    // /^\/                                         starts with a forward slash...
    // (?:[a-z]{2}(?:-[A-Z]{2})?\/)?                optional locale prefix (non-capturing)
    // (?:preview\/)?                               optional "preview" prefix (non-capturing)
-    // (bisq|testnet|liquidtestnet|liquid|signet|regtest)/  network string (captured as networkMatches[1])
+    // (bisq|testnet|liquidtestnet|liquid|signet)/  network string (captured as networkMatches[1])
    // ($|\/)                                       network string must end or end with a slash
-    const networkMatches = url.match(/^\/(?:[a-z]{2}(?:-[A-Z]{2})?\/)?(?:preview\/)?(bisq|testnet|liquidtestnet|liquid|signet|regtest)($|\/)/);
+    const networkMatches = url.match(/^\/(?:[a-z]{2}(?:-[A-Z]{2})?\/)?(?:preview\/)?(bisq|testnet|liquidtestnet|liquid|signet)($|\/)/);
    switch (networkMatches && networkMatches[1]) {
      case 'liquid':
        if (this.network !== 'liquid') {
@@ -271,12 +270,6 @@ export class StateService {
          this.networkChanged$.next('signet');
        }
        return;
-      case 'regtest':
-        if (this.network !== 'regtest') {
-          this.network = 'regtest';
-          this.networkChanged$.next('regtest');
-        }
-        return;
      case 'testnet':
        if (this.network !== 'testnet') {
          if (this.env.BASE_MODULE === 'liquid') {
--- a/frontend/src/app/services/websocket.service.ts
+++ b/frontend/src/app/services/websocket.service.ts
@@ -368,6 +368,11 @@ export class WebsocketService {

    if (response.loadingIndicators) {
      this.stateService.loadingIndicators$.next(response.loadingIndicators);
+      if (response.loadingIndicators.mempool != null && response.loadingIndicators.mempool < 100) {
+        this.stateService.isLoadingMempool$.next(true);
+      } else {
+        this.stateService.isLoadingMempool$.next(false);
+      }
    }

    if (response.mempoolInfo) {
--- a/frontend/src/app/shared/components/global-footer/global-footer.component.ts
+++ b/frontend/src/app/shared/components/global-footer/global-footer.component.ts
@@ -55,7 +55,7 @@ export class GlobalFooterComponent implements OnInit {

  networkLink(network) {
    const thisNetwork = network || 'mainnet';
-    if( network === '' || network === 'mainnet' || network === 'testnet' || network === 'signet' || network === 'regtest' ) {
+    if( network === '' || network === 'mainnet' || network === 'testnet' || network === 'signet' ) {
      return (this.env.BASE_MODULE === 'mempool' ? '' : this.env.MEMPOOL_WEBSITE_URL + this.urlLanguage) + this.networkPaths[thisNetwork] || '/';
    }
    if( network === 'liquid' || network === 'liquidtestnet' ) {
--- a/frontend/src/styles.scss
+++ b/frontend/src/styles.scss
@@ -111,10 +111,6 @@ main {
  background-color: #6f1d5d !important;
 }

-.navbar-nav.regtest > .active {
-  background-color: #a5a5a5 !important;
-}
-
 .navbar-nav.liquidtestnet > .active {
  background-color: #494a4a !important;
 }
Author	SHA1	Message	Date
Mononaut	1037b50851	strip non-essential data from redis cache txs	2023-07-25 16:35:21 +09:00
Mononaut	a3c82e44d9	store redis mempool in sharded json object	2023-07-25 16:12:39 +09:00
Mononaut	78a0059d01	Add network and schema versioning to redis cache	2023-07-25 16:12:39 +09:00
Mononaut	172d4f9dfc	Add transactions to Redis cache in manageable batches	2023-07-25 16:12:38 +09:00
Mononaut	97ecc7b90f	Fix redis feature merge conflicts	2023-07-25 16:12:38 +09:00
Mononaut	381d2f0b1f	Add RBF data to Redis cache	2023-07-25 16:12:38 +09:00
Mononaut	38a79249a3	Implement Redis cache for block and mempool data	2023-07-25 16:12:37 +09:00
softsimon	b58abe4779	Merge pull request #4045 from mempool/mononaut/fast-blocks Faster blocks	2023-07-25 16:07:52 +09:00
Mononaut	25925751eb	refactor $getTransactionsExtended to optimise API requests	2023-07-25 12:09:13 +09:00
Mononaut	0ebfd6f017	Fetch block txs from mempool/electrs in bulk	2023-07-25 10:27:43 +09:00
wiz	81d1c0a4d5	Merge pull request #4043 from mempool/mononaut/mempool-sync-status Mempool inSync status	2023-07-24 19:39:17 +09:00
Mononaut	36fe5627c7	fix mempool sync skeleton loaders on Core backend	2023-07-24 17:49:34 +09:00
Mononaut	2d463326e0	fix gbt mempool size mismatch bug	2023-07-24 17:22:38 +09:00
Mononaut	a6edfcc272	show mempool skeleton while not inSync	2023-07-24 16:22:35 +09:00
Mononaut	de4265a6d1	More conservative mempool inSync status	2023-07-24 16:22:22 +09:00
softsimon	dc43a81899	Merge pull request #4035 from mempool/mononaut/lightning-balance-bars Lightning channel balance progress bars	2023-07-24 16:22:20 +09:00
Mononaut	e59c961f25	Add electrs sync progress updates	2023-07-24 14:59:51 +09:00
Mononaut	db715a1dba	Switch to batch mempool/txs/:txid endpoint	2023-07-24 14:44:43 +09:00
Mononaut	202d4122b4	load mempool txs in bulk from esplora	2023-07-24 14:44:42 +09:00
Mononaut	a1e05c0c37	Lightning channel balance progress bars	2023-07-23 18:00:24 +09:00