Add limit order support on Manifest

src/tools/index.ts

@@ -5,6 +5,7 @@ export * from "./get_balance";
 export * from "./mint_nft";
 export * from "./transfer";
 export * from "./trade";
+export * from "./limit_order";
 export * from "./register_domain";
 export * from "./resolve_sol_domain";
 export * from "./get_primary_domain";

src/tools/limit_order.ts

@@ -0,0 +1,83 @@
+import {
+  PublicKey,
+  Transaction,
+  sendAndConfirmTransaction,
+  TransactionInstruction,
+} from "@solana/web3.js";
+import { SolanaAgentKit } from "../index";
+import {
+  ManifestClient,
+  WrapperPlaceOrderParamsExternal,
+} from "@cks-systems/manifest-sdk";
+import { sleep } from "openai/core";
+import { OrderType } from "@cks-systems/manifest-sdk/dist/types/src/manifest";
+
+/**
+ * Place limit orders using Manifest
+ * @param agent SolanaAgentKit instance
+ * @param marketId Public key for the manifest market
+ * @param quantity Amount to trade in tokens
+ * @param side Buy or Sell
+ * @param price Price in tokens ie. SOL/USDC
+ * @returns Transaction signature
+ */
+export async function limitOrder(
+  agent: SolanaAgentKit,
+  marketId: PublicKey,
+  quantity: number,
+  side: string,
+  price: number,
+): Promise<string> {
+  try {
+    const { setupNeeded, instructions, wrapperKeypair } =
+      await ManifestClient.getSetupIxs(
+        agent.connection,
+        marketId,
+        agent.wallet.publicKey,
+      );
+
+    if (setupNeeded) {
+      const tx = new Transaction().add(...instructions);
+      const { blockhash } = await agent.connection.getLatestBlockhash();
+      tx.recentBlockhash = blockhash;
+      tx.feePayer = agent.wallet.publicKey!;
+      if (wrapperKeypair) {
+        tx.sign(wrapperKeypair);
+      }
+
+      await sendAndConfirmTransaction(agent.connection, tx, [agent.wallet]);
+
+      await sleep(5_000);
+    }
+
+    const mfxClient = await ManifestClient.getClientForMarket(
+      agent.connection,
+      marketId,
+      agent.wallet,
+    );
+
+    const orderParams: WrapperPlaceOrderParamsExternal = {
+      numBaseTokens: quantity,
+      tokenPrice: price,
+      isBid: side === "buy",
+      lastValidSlot: 0,
+      orderType: OrderType.Limit,
+      clientOrderId: Number(Math.random() * 1000),
+    };
+
+    const depositPlaceOrderIx: TransactionInstruction[] =
+      await mfxClient.placeOrderWithRequiredDepositIx(
+        agent.wallet.publicKey,
+        orderParams,
+      );
+    const signature = await sendAndConfirmTransaction(
+      agent.connection,
+      new Transaction().add(...depositPlaceOrderIx),
+      [agent.wallet],
+    );
+
+    return signature;
+  } catch (error: any) {
+    throw new Error(`Limit Order failed: ${error.message}`);
+  }
+}