fix: Allow input normal token amounts

src/langchain/meteora/meteora_dynamic_pool.ts

@@ -2,6 +2,8 @@ import { PublicKey } from "@solana/web3.js";
 import { Tool } from "langchain/tools";
 import { SolanaAgentKit } from "../../agent";
 import { BN } from "bn.js";
+import { MintLayout } from "@solana/spl-token";
+import Decimal from "decimal.js";
 
 export class SolanaMeteoraCreateDynamicPool extends Tool {
   name = "meteora_create_dynamic_pool";
@@ -10,8 +12,8 @@ export class SolanaMeteoraCreateDynamicPool extends Tool {
   Inputs (JSON string):
   - tokenAMint: string, token A mint (required).
   - tokenBMint: string, token B mint (required).
-  - tokenAAmount: number, token A amount including decimals, e.g., 1000000000 (required).
-  - tokenBAmount: number, token B amount including decimals, e.g., 1000000000 (required).
+  - tokenAAmount: number, token A amount not including decimals, e.g., 1 (required).
+  - tokenBAmount: number, token B amount not including decimals, e.g., 0.2 (required).
   - tradeFeeNumerator: number, trade fee numerator, e.g., 2500 for 2.5% (required).
   - activationType: number, pool start trading time indicator, 0 is slot and 1 is timestamp, default is 1 for timestamp (optional).
   - activationPoint: number, pool start trading slot / timestamp, default is null means pool can start trading immediately (optional).
@@ -38,8 +40,40 @@ export class SolanaMeteoraCreateDynamicPool extends Tool {
 
       const tokenAMint = new PublicKey(inputFormat.tokenAMint);
       const tokenBMint = new PublicKey(inputFormat.tokenBMint);
-      const tokenAAmount = new BN(inputFormat.tokenAAmount.toString());
-      const tokenBAmount = new BN(inputFormat.tokenBAmount.toString());
+
+      const tokenAMintInfo =
+        await this.solanaKit.connection.getAccountInfo(tokenAMint);
+      const tokenBMintInfo =
+        await this.solanaKit.connection.getAccountInfo(tokenBMint);
+
+      if (!tokenAMintInfo) {
+        return JSON.stringify({
+          status: "error",
+          message: "failed to fetch tokenAMint info",
+          code: "UNKNOWN_ERROR",
+        });
+      }
+      if (!tokenBMintInfo) {
+        return JSON.stringify({
+          status: "error",
+          message: "failed to fetch tokenBMint info",
+          code: "UNKNOWN_ERROR",
+        });
+      }
+
+      const tokenADecimals = MintLayout.decode(tokenAMintInfo.data).decimals;
+      const tokenBDecimals = MintLayout.decode(tokenBMintInfo.data).decimals;
+
+      const tokenAAmount = new BN(
+        new Decimal(inputFormat.tokenAAmount)
+          .mul(10 ** tokenADecimals)
+          .toString(),
+      );
+      const tokenBAmount = new BN(
+        new Decimal(inputFormat.tokenBAmount)
+          .mul(10 ** tokenBDecimals)
+          .toString(),
+      );
 
       const tradeFeeNumerator = new BN(
         inputFormat.tradeFeeNumerator.toString(),