Stratum V2 initial commit

src/models/MiningJob.ts

@@ -82,6 +82,14 @@ export class MiningJob {
         return bitcoinjs.Transaction.fromBuffer(this.coinbaseTransaction.toBuffer());
     }
 
+    public getCoinbasePrefixBuffer(): Buffer {
+        return Buffer.from(this.coinbasePart1Buffer);
+    }
+
+    public getCoinbaseSuffixBuffer(): Buffer {
+        return Buffer.from(this.coinbasePart2Buffer);
+    }
+
     public buildHeaderBuffer(jobTemplate: IJobTemplate, versionMask: number, nonce: number, extraNonce: string, extraNonce2: string, timestamp: number): Buffer {
         const coinbaseBuffer = Buffer.concat([
             this.coinbasePart1Buffer,