From f435304e54d4b946c31d45fb88fbd028d00e245d Mon Sep 17 00:00:00 2001
From: Swafox <swafox@pm.me>
Date: Wed, 10 Apr 2024 22:27:01 +0300
Subject: [PATCH] Implement Current Time example

---
 Mathematics/contracts/mathematics.fc  | 10 ++++++++++
 Mathematics/tests/Mathematics.spec.ts | 27 +++++++++++++++++++++++++++
 Mathematics/wrappers/Mathematics.ts   | 14 ++++++++++++++
 3 files changed, 51 insertions(+)

diff --git a/Mathematics/contracts/mathematics.fc b/Mathematics/contracts/mathematics.fc
index 7b9a29f..6fe0d0b 100644
--- a/Mathematics/contracts/mathematics.fc
+++ b/Mathematics/contracts/mathematics.fc
@@ -71,6 +71,16 @@ global int ctx_counter;
         return ();
     }
 
+    ;; How to get current time
+    ;; Cookbook link: https://docs.ton.org/develop/func/cookbook#how-to-get-current-time
+    if (op == 3) {
+        int current_time = now();
+        ctx_counter += current_time;
+
+        save_data();
+        return ();
+    }
+
     throw(777);
 }
 
diff --git a/Mathematics/tests/Mathematics.spec.ts b/Mathematics/tests/Mathematics.spec.ts
index 91f7ddc..e767a0a 100644
--- a/Mathematics/tests/Mathematics.spec.ts
+++ b/Mathematics/tests/Mathematics.spec.ts
@@ -100,4 +100,31 @@ describe("Mathematics", () => {
 
     expect(counterAfter).toBeGreaterThan(counterBefore);
   });
+
+  it("Current time: set counter to current time", async () => {
+    const increaser = await blockchain.treasury("increaserTime");
+
+    const counterBefore = await mathematics.getCounter();
+
+    console.log("counter before increasing", counterBefore);
+
+    const increaseResult = await mathematics.sendCurrentTime(
+      increaser.getSender(),
+      {
+        value: toNano("0.05"),
+      },
+    );
+
+    expect(increaseResult.transactions).toHaveTransaction({
+      from: increaser.address,
+      to: mathematics.address,
+      success: true,
+    });
+
+    const counterAfter = Math.floor(Date.now() / 1000);
+
+    console.log("counter after increasing", counterAfter);
+
+    expect(counterAfter).toBeGreaterThan(counterBefore);
+  });
 });
diff --git a/Mathematics/wrappers/Mathematics.ts b/Mathematics/wrappers/Mathematics.ts
index d3ae7b4..2711cc6 100644
--- a/Mathematics/wrappers/Mathematics.ts
+++ b/Mathematics/wrappers/Mathematics.ts
@@ -75,6 +75,20 @@ export class Mathematics implements Contract {
     });
   }
 
+  async sendCurrentTime(
+    provider: ContractProvider,
+    via: Sender,
+    opts: {
+      value: bigint;
+    },
+  ) {
+    await provider.internal(via, {
+      value: opts.value,
+      sendMode: SendMode.PAY_GAS_SEPARATELY,
+      body: beginCell().storeUint(3, 32).storeUint(1, 32).endCell(),
+    });
+  }
+
   async getCounter(provider: ContractProvider) {
     const result = await provider.get("get_counter", []);
     return result.stack.readNumber();