From 68b234241491b41043f148af0a24ec2e3aa44775 Mon Sep 17 00:00:00 2001
From: Tien Tran <tien@pendle.finance>
Date: Thu, 19 Dec 2024 10:55:05 +0700
Subject: [PATCH] Add mint & redeem SY methods

---
 hosted-sdk-demo/src/mint-sy.ts   | 20 ++++++++++++++++++++
 hosted-sdk-demo/src/redeem-sy.ts | 22 ++++++++++++++++++++++
 hosted-sdk-demo/src/types.ts     |  2 ++
 3 files changed, 44 insertions(+)
 create mode 100644 hosted-sdk-demo/src/mint-sy.ts
 create mode 100644 hosted-sdk-demo/src/redeem-sy.ts

diff --git a/hosted-sdk-demo/src/mint-sy.ts b/hosted-sdk-demo/src/mint-sy.ts
new file mode 100644
index 0000000..0439cfc
--- /dev/null
+++ b/hosted-sdk-demo/src/mint-sy.ts
@@ -0,0 +1,20 @@
+import { CHAIN_ID, RECEIVER_ADDRESS, SY_ADDRESS, wstETH } from "./constants";
+import { callSDK, getSigner } from "./helper";
+import { MintSyData } from "./types";
+
+export async function mintSyFromToken() {
+    // Use 1 wstETH to mint SY with 1% slippage
+    const res = await callSDK<MintSyData>(`/v1/sdk/${CHAIN_ID}/mint-sy`, {
+        receiver: RECEIVER_ADDRESS,
+        sy: SY_ADDRESS,
+        slippage: 0.01,
+        tokenIn: wstETH,
+        amountIn: '1000000000000000000',
+    });
+
+    console.log('Amount SY Out: ', res.data.amountOut);
+    console.log('Price impact: ', res.data.priceImpact);
+
+    // Send tx
+    getSigner().sendTransaction(res.tx);
+}
\ No newline at end of file
diff --git a/hosted-sdk-demo/src/redeem-sy.ts b/hosted-sdk-demo/src/redeem-sy.ts
new file mode 100644
index 0000000..3337df6
--- /dev/null
+++ b/hosted-sdk-demo/src/redeem-sy.ts
@@ -0,0 +1,22 @@
+import { CHAIN_ID, RECEIVER_ADDRESS, SY_ADDRESS, wstETH } from "./constants";
+import { callSDK, getSigner } from "./helper";
+import { RedeemSyData } from "./types";
+
+export async function redeemSyToToken() {
+    // Redeem 1 SY to wstETH with 1% slippage
+    const res = await callSDK<RedeemSyData>(`/v1/sdk/${CHAIN_ID}/redeem-sy`, {
+        receiver: RECEIVER_ADDRESS,
+        slippage: 0.01,
+        sy: SY_ADDRESS,
+        amountIn: '1000000000000000000',
+        tokenOut: wstETH,
+    });
+
+    console.log('Amount wstETH Out: ', res.data.amountOut);
+    console.log('Price impact: ', res.data.priceImpact);
+
+    // Send tx
+    getSigner().sendTransaction(res.tx);
+}
+
+redeemSyToToken()
\ No newline at end of file
diff --git a/hosted-sdk-demo/src/types.ts b/hosted-sdk-demo/src/types.ts
index 427bbad..d9ed65d 100644
--- a/hosted-sdk-demo/src/types.ts
+++ b/hosted-sdk-demo/src/types.ts
@@ -4,6 +4,8 @@ export type AddLiquidityDualData = { amountOut: string, priceImpact: number };
 export type RemoveLiquidityData = { amountOut: string, priceImpact: number };
 export type RemoveLiquidityDualData = { amountTokenOut: string; amountPtOut: string, priceImpact: number };
 export type MintPyData = { amountOut: string, priceImpact: number };
+export type MintSyData = { amountOut: string, priceImpact: number };
 export type RedeemPyData = { amountOut: string, priceImpact: number };
+export type RedeemSyData = { amountOut: string, priceImpact: number };
 export type TransferLiquidityData = { amountLpOut: string; amountYtOut: string, priceImpact: number };
 export type RollOverPtData = { amountPtOut: string, priceImpact: number };
\ No newline at end of file