bitcoin rpc

src/app.module.ts

@@ -1,17 +1,23 @@
 import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
 
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
+import { BitcoinRpcService } from './bitcoin-rpc.service';
 import { BitcoinStratumProvider } from './bitcoin-stratum.provider';
 
 
 
 @Module({
     imports: [
-
+        ConfigModule
     ],
     controllers: [AppController],
-    providers: [AppService, BitcoinStratumProvider],
+    providers: [
+        AppService,
+        BitcoinStratumProvider,
+        BitcoinRpcService
+    ],
 })
 export class AppModule {
     constructor(private readonly bitcoinStratumProvider: BitcoinStratumProvider) {

src/bitcoin-rpc.service.ts

@@ -0,0 +1,33 @@
+import { Injectable } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import { RPCClient } from 'rpc-bitcoin';
+
+
+@Injectable()
+export class BitcoinRpcService {
+
+    private client: RPCClient;
+
+    constructor(configService: ConfigService) {
+        const url = configService.get('BITCOIN_RPC_URL');
+        const user = configService.get('BITCOIN_RPC_USER');
+        const pass = configService.get('BITCOIN_RPC_PASSWORD');
+        const port = parseInt(configService.get('BITCOIN_RPC_PORT'));
+        const timeout = parseInt(configService.get('BITCOIN_RPC_TIMEOUT'));
+        this.client = new RPCClient({ url, port, timeout, user, pass });
+        console.log('Bitcoin RPC connected');
+    }
+
+
+    public async getBlockTemplate() {
+
+        const result = await this.client.getblocktemplate({
+            template_request: {
+                rules: ['segwit'],
+                mode: 'template',
+                capabilities: ['serverlist', 'proposal']
+            }
+        });
+    }
+}
+