diff --git a/src/stableswap.ts b/src/stableswap.ts
new file mode 100644
index 0000000..287ba85
--- /dev/null
+++ b/src/stableswap.ts
@@ -0,0 +1,34 @@
+import { Address, Lucid, Network, Tx, TxComplete, UTxO } from "lucid-cardano";
+
+import { Asset } from "./types/asset";
+import { NetworkId } from "./types/network";
+
+export type CommonOrderOptions = {
+  sender: Address;
+  availableUtxos: UTxO[];
+  lpAsset: Asset;
+};
+
+export type ExchangeOptions = CommonOrderOptions & {
+  assetIn: Asset;
+  assetInAmount: bigint;
+  assetInIndex: bigint;
+  assetOutIndex: bigint;
+  minimumAssetOut: bigint;
+};
+export class Stableswap {
+  private readonly lucid: Lucid;
+  private readonly network: Network;
+  private readonly networkId: NetworkId;
+
+  constructor(lucid: Lucid) {
+    this.lucid = lucid;
+    this.network = lucid.network;
+    this.networkId =
+      lucid.network === "Mainnet" ? NetworkId.MAINNET : NetworkId.TESTNET;
+  }
+
+  async buildExchangeOrderTx(options: ExchangeOptions): Promise<TxComplete>{
+
+  }
+}