adds the wif field to the derive method

sandbox.mjs

@@ -121,6 +121,11 @@ import { Bitcoin, BitcoinTestnet, Sapphire, Jackpot, Kyanite, ChangeType } from
 
 /* =============================== MultiWallet ============================= */
 
+/* wallet for testing
+    aa503ac1c0c1a312694aa1e8bc2dbfd8e5b1f9503b7fb677ca390af6fd44776157502533d4a3cd64055f44388366e1787512b0efcf020576111d5be53d1c2e79
+    ozone top useful absent trash kitchen burst abandon rule trial truck donkey viable dice essence exile struggle hungry bicycle polar brand margin sorry hire
+*/
+
 const bitcoin = new Bitcoin(bitcoinjs, bip39);
 const sapphire = new Sapphire(bitcoinjs, bip39);
 const kyanite = new Kyanite(bitcoinjs, bip39);
@@ -154,6 +159,9 @@ console.log(sapp_address);
 const { xprv: kyan_xpriv } = kyanite.getXPriv(seed);
 console.log(kyan_xpriv);
 const kyan_account = kyanite.getWalletAccountXPub(kyan_xpriv, 0);
-const { address: kyan_address } = kyanite.deriveFromAccount(kyan_account.xpub, ChangeType.EXTERNAL, 0);
+console.log('KYAN');
 console.log(kyan_account.xpub);
-console.log(kyan_address);
+for (let i = 0; i < 10; i++) {
+    console.log(kyanite.deriveFromAccount(kyan_account.xpub, ChangeType.EXTERNAL, i).address);
+    console.log(kyanite.derive(kyan_xpriv, 0, ChangeType.EXTERNAL, i));
+}

src/dsw.js

@@ -88,13 +88,16 @@ class DSW {
     const path = `m/44'/${this.COIN_TYPE}'/${account}'/${change}${
       mobile ? '' : "'"
     }/${address_index}${mobile ? '' : "'"}`;
+    const node = this._bitcoinjs.bip32
+      .fromBase58(xprv, this._network)
+      .derivePath(path);
+    const { publicKey } = node;
+    const wif = node.toWIF();
     const { address } = this._bitcoinjs.payments.p2pkh({
-      pubkey: this._bitcoinjs.bip32
-        .fromBase58(xprv, this._network)
-        .derivePath(path).publicKey,
+      pubkey: publicKey,
       network: this._network,
     });
-    return { path, address };
+    return { path, address, wif };
   }
   // m / purpose' / coin_type' / 0' / ECOMMERCE / address_index
   deriveEcommerce(xpub, address_index) {

ts_src/dsw.ts

@@ -54,8 +54,11 @@ export class DSW {
             throw new Error('invalid change type');
         }
         const path = `m/44'/${this.COIN_TYPE}'/${account}'/${change}${mobile ? "" : "'"}/${address_index}${mobile ? "" : "'"}`;
-        const { address } = this._bitcoinjs.payments.p2pkh({ pubkey: this._bitcoinjs.bip32.fromBase58(xprv, this._network).derivePath(path).publicKey, network: this._network });
-        return { path, address };
+        const node = this._bitcoinjs.bip32.fromBase58(xprv, this._network).derivePath(path);
+        const { publicKey } = node;
+        const wif = node.toWIF();
+        const { address } = this._bitcoinjs.payments.p2pkh({ pubkey: publicKey, network: this._network });
+        return { path, address, wif };
     }
 
     // m / purpose' / coin_type' / 0' / ECOMMERCE / address_index