feat: add pagination for checks, add check for ticket amount

package.json

@@ -1,7 +1,7 @@
 {
   "type": "module",
   "name": "dlc-btc-lib",
-  "version": "2.5.1",
+  "version": "2.5.2",
   "description": "This library provides a comprehensive set of interfaces and functions for minting dlcBTC tokens on supported blockchains.",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

src/dlc-handlers/keypair-dlc-handler.ts

@@ -8,6 +8,7 @@ import {
   deriveUnhardenedKeyPairFromRootPrivateKey,
   getInputIndicesByScript,
 } from '../functions/bitcoin/bitcoin-functions.js';
+import { PaymentInformation } from '../models/bitcoin-models.js';
 import { FundingPaymentType, PaymentType, TransactionType } from '../models/dlc-handler.models.js';
 import {
   InvalidTransactionTypeError,
@@ -67,6 +68,14 @@ export class KeyPairDLCHandler extends AbstractDLCHandler {
     return bytesToHex(this.fundingDerivedKeyPair.publicKey);
   }
 
+  getPayment(): PaymentInformation {
+    if (!this._payment) {
+      throw new PaymentNotSetError();
+    }
+
+    return this._payment;
+  }
+
   private getPrivateKey(paymentType: PaymentType): Signer {
     const keyPairMap: Record<PaymentType, BIP32Interface> = {
       funding: this.fundingDerivedKeyPair,

src/functions/ripple/ripple.functions.ts

@@ -384,18 +384,30 @@ export async function getCheckByTXHash(
   try {
     await connectRippleClient(rippleClient);
 
-    const getAccountObjectsRequest: AccountObjectsRequest = {
-      command: 'account_objects',
-      account: issuerAddress,
-      ledger_index: 'validated',
-      type: 'check',
-    };
+    let marker: any = undefined;
+    const limit = 100;
+    let allChecks: any[] = [];
 
-    const {
-      result: { account_objects },
-    } = await rippleClient.request(getAccountObjectsRequest);
+    do {
+      const getAccountObjectsRequest: AccountObjectsRequest = {
+        command: 'account_objects',
+        account: issuerAddress,
+        ledger_index: 'validated',
+        marker,
+        limit,
+        type: 'check',
+      };
+
+      const {
+        result: { account_objects, marker: newMarker },
+      } = await rippleClient.request(getAccountObjectsRequest);
+
+      allChecks = allChecks.concat(account_objects);
+
+      marker = newMarker;
+    } while (marker);
 
-    const check = account_objects.find(accountObject => accountObject.PreviousTxnID === txHash);
+    const check = allChecks.find(accountObject => accountObject.PreviousTxnID === txHash);
 
     if (!check) {
       throw new RippleError(`Check with TX Hash: ${txHash} not found`);

src/network-handlers/ripple-handler.ts

@@ -12,6 +12,7 @@ import xrpl, {
   SubmittableTransaction,
   TicketCreate,
   TransactionMetadata,
+  decode,
 } from 'xrpl';
 import { NFTokenMintMetadata } from 'xrpl/dist/npm/models/transactions/NFTokenMint.js';
 
@@ -182,7 +183,19 @@ export class RippleHandler {
           (node): node is CreatedNode => 'CreatedNode' in node
         ).map(node => node.CreatedNode);
 
-        return createdNodes.map(node => node.NewFields.TicketSequence) as string[];
+        const tickets = createdNodes.map(node => node.NewFields.TicketSequence).filter(Boolean);
+
+        const decodedSignature: Record<string, unknown> = decode(multisignedTransaction);
+
+        const ticketCount = (decodedSignature as unknown as TicketCreate).TicketCount;
+
+        if (tickets.length !== ticketCount) {
+          throw new RippleError(
+            `Number of created tickets does not match the number of requested tickets. Requested: ${ticketCount}, Created: ${tickets.length}`
+          );
+        }
+
+        return tickets as string[];
       } catch (error) {
         throw new RippleError(`Could not submit Ticket Transaction: ${error}`);
       }