Basic bitcoind/romanz-electrum support to sync the mempool and blocks.

backend/src/api/bitcoin/bitcoin-api-abstract-factory.ts

@@ -0,0 +1,16 @@
+import { MempoolInfo, Transaction, Block, MempoolEntries, MempoolEntry } from '../../interfaces';
+
+export interface AbstractBitcoinApi {
+  getMempoolInfo(): Promise<MempoolInfo>;
+  getRawMempool(): Promise<Transaction['txid'][]>;
+  getRawTransaction(txId: string): Promise<Transaction>;
+  getBlockHeightTip(): Promise<number>;
+  getTxIdsForBlock(hash: string): Promise<string[]>;
+  getBlockHash(height: number): Promise<string>;
+  getBlock(hash: string): Promise<Block>;
+  getMempoolEntry(txid: string): Promise<MempoolEntry>;
+
+  // Custom
+  getRawMempoolVerbose(): Promise<MempoolEntries>;
+  getRawTransactionBitcond(txId: string): Promise<Transaction>;
+}