added 2by2 multisig transaction creation

src/langchain/index.ts

@@ -2192,6 +2192,46 @@ export class SolanaDepositTo2by2Multisig extends Tool {
   }
 }
 
+export class SolanaTransferFrom2by2Multisig extends Tool {
+  name = "transfer_from_2by2_multisig";
+  description = `Create a transaction to transfer funds from a 2-of-2 multisig account on Solana.
+
+  Inputs (JSON string):
+  - amount: number, the amount to transfer in SOL (required).
+  - recipient: string, the public key of the recipient (required).`;
+
+  constructor(private solanaKit: SolanaAgentKit) {
+    super();
+  }
+
+  protected async _call(input: string): Promise<string> {
+    try {
+      const inputFormat = JSON.parse(input);
+      const amount = new Decimal(inputFormat.amount);
+      const recipient = new PublicKey(inputFormat.recipient);
+
+      const tx = await this.solanaKit.transferFromMultisig(
+        amount.toNumber(),
+        recipient,
+      );
+
+      return JSON.stringify({
+        status: "success",
+        message: "Transaction added to 2-by-2 multisig account successfully",
+        transaction: tx,
+        amount: amount.toString(),
+        recipient: recipient.toString(),
+      });
+    } catch (error: any) {
+      return JSON.stringify({
+        status: "error",
+        message: error.message,
+        code: error.code || "TRANSFER_FROM_2BY2_MULTISIG_ERROR",
+      });
+    }
+  }
+}
+
 export function createSolanaTools(solanaKit: SolanaAgentKit) {
   return [
     new SolanaBalanceTool(solanaKit),