feat!(monero.ts): make `createTransactionMultDest` optionally return `null`

2 files changed, 5 insertions, 2 deletions

diff --git a/impls/monero.ts/src/symbols.ts b/impls/monero.ts/src/symbols.ts
index 2c34a6e..ca321b8 100644
--- a/impls/monero.ts/src/symbols.ts
+++ b/impls/monero.ts/src/symbols.ts
@@ -1548,6 +1548,7 @@ export const moneroSymbols = {
     ],
   },
   MONERO_Wallet_createTransactionMultDest: {
+    optional: true,
     nonblocking: true,
     result: "pointer",
     parameters: [
diff --git a/impls/monero.ts/src/wallet.ts b/impls/monero.ts/src/wallet.ts
index 673ccab..92832da 100644
--- a/impls/monero.ts/src/wallet.ts
+++ b/impls/monero.ts/src/wallet.ts
@@ -286,8 +286,8 @@ export class Wallet {
     preferredInputs: string[] = [],
     mixinCount = 0,
     paymentId = "",
-  ): Promise<PendingTransaction> {
-    const pendingTxPtr = await fns.Wallet_createTransactionMultDest(
+  ): Promise<PendingTransaction | null> {
+    const pendingTxPtr = await fns.Wallet_createTransactionMultDest?.(
       this.#ptr,
       CString(destinationAddresses.join(SEPARATOR)),
       C_SEPARATOR,
@@ -301,6 +301,8 @@ export class Wallet {
       CString(preferredInputs.join(SEPARATOR)),
       C_SEPARATOR,
     );
+
+    if (!pendingTxPtr) return null;
     return PendingTransaction.new(pendingTxPtr as PendingTransactionPtr);
   }