Monorepo stuff

Signed-off-by: James Zuccon <zuccon@gmail.com>

packages/primitives/src/transaction.ts

@@ -0,0 +1,87 @@
+import {
+  binToHex,
+  hexToBin,
+  encodeTransaction,
+  decodeTransaction,
+  isHex,
+} from '@bitauth/libauth';
+import type { TransactionBCH } from '@bitauth/libauth';
+
+/**
+ * Transaction Entity.
+ */
+export class Transaction {
+  constructor(public transaction: TransactionBCH) {}
+
+  /**
+   * Create a Transaction Entity from the given byte data.
+   *
+   * @param bytes {Uint8Array} The raw byte data of the transaction.
+   *
+   * @throws {Error} If transaction data cannot be decoded.
+   *
+   * @returns {Transaction} The created Transaction Entity.
+   */
+  public static fromBytes(bytes: Uint8Array): Transaction {
+    // Attempt to decode the raw transaction bytes.
+    const decodeResult = decodeTransaction(bytes);
+
+    // If a string is returned, this indicates an error...
+    if (typeof decodeResult === 'string') {
+      throw new Error(decodeResult);
+    }
+
+    // Return a new instance of the Transaction Entity created from the decode result.
+    return new Transaction(decodeResult);
+  }
+
+  /**
+   * Create a Transaction Entity from the given byte data encoded as hexadecimal string.
+   *
+   * @param hex {string} The raw byte data (encoded as hexadecimal string) of the transaction.
+   *
+   * @throws {Error} If transaction cannot be decoded.
+   *
+   * @returns {Transaction} The created Transaction Entity.
+   */
+  public static fromHex(hex: string): Transaction {
+    // Ensure that the given string is hex.
+    if (!isHex(hex)) {
+      throw new Error('The given string is not valid hexadecimal.');
+    }
+
+    // Convert our hex to binary.
+    const bytes = hexToBin(hex);
+
+    // Return the transaction constructed from our bytes.
+    return Transaction.fromBytes(bytes);
+  }
+
+  public toBytes(): Uint8Array {
+    const bytes = encodeTransaction(this.transaction);
+
+    return bytes;
+  }
+
+  public toHex(): string {
+    const bytes = this.toBytes();
+
+    return binToHex(bytes);
+  }
+
+  public getVersion() {
+    return this.transaction.version;
+  }
+
+  public getInputs() {
+    return this.transaction.inputs;
+  }
+
+  public getOutputs() {
+    return this.transaction.outputs;
+  }
+
+  public getLocktime() {
+    return this.transaction.locktime;
+  }
+}