From d85fee159f58261fc26150afdb76a21967eb0a63 Mon Sep 17 00:00:00 2001
From: yusuf idi maina <120538505+yusufidimaina9989@users.noreply.github.com>
Date: Sun, 11 Feb 2024 16:00:15 +0100
Subject: [PATCH 1/2] Create counterFromTx.test.ts

---
 tests/counterFromTx.test.ts | 57 +++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 tests/counterFromTx.test.ts

diff --git a/tests/counterFromTx.test.ts b/tests/counterFromTx.test.ts
new file mode 100644
index 00000000..8c0e4b2e
--- /dev/null
+++ b/tests/counterFromTx.test.ts
@@ -0,0 +1,57 @@
+import { expect, use } from 'chai'
+import { Counter } from '../src/contracts/counter'
+import { DefaultProvider, MethodCallOptions, TestWallet, bsv } from 'scrypt-ts'
+import chaiAsPromised from 'chai-as-promised'
+import { myPrivateKey } from './utils/privateKey'
+use(chaiAsPromised)
+describe('Test SmartContract `Counter`', () => {
+    before(() => {
+        Counter.loadArtifact()
+    })
+
+    it('should pass the public method unit test successfully.', async () => {
+        const balance = 1
+
+        const initialCount: bigint = 100n
+        const atOutputIndex = 0
+        const counter = new Counter(initialCount)
+        const signer = new TestWallet(
+            myPrivateKey,
+            new DefaultProvider({ network: bsv.Networks.testnet })
+        )
+        await counter.connect(signer)
+        const deployTx = await counter.deploy(1)
+
+        // set current instance to be the deployed one
+        let instance = counter
+
+        // call the method of current instance to apply the updates on chain
+        for (let i = 0; i < 5; ++i) {
+            const tx = await signer.connectedProvider.getTransaction(
+                deployTx.id
+            )
+            instance = Counter.fromTx(tx, atOutputIndex)
+
+            await instance.connect(signer)
+
+            // create the next instance from the current
+            const nextInstance = instance.next()
+
+            // apply updates on the next instance off chain
+            nextInstance.increment()
+
+            const { tx: callTx } = await instance.methods.incrementOnChain({
+                next: {
+                    instance: nextInstance,
+                    balance: instance.balance,
+                },
+            } as MethodCallOptions<Counter>)
+            console.log(
+                `Counter incrementOnChain called: ${callTx.id}, the count now is: ${nextInstance.count}`
+            )
+
+            // update the current instance reference
+            instance = nextInstance
+        }
+    })
+})

From e26086dd0d89a5324c91a29af74b05237214eb87 Mon Sep 17 00:00:00 2001
From: yusuf idi maina <120538505+yusufidimaina9989@users.noreply.github.com>
Date: Sun, 11 Feb 2024 16:42:33 +0100
Subject: [PATCH 2/2] Update counterFromTx.test.ts

---
 tests/counterFromTx.test.ts | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/tests/counterFromTx.test.ts b/tests/counterFromTx.test.ts
index 8c0e4b2e..a8c3a7fb 100644
--- a/tests/counterFromTx.test.ts
+++ b/tests/counterFromTx.test.ts
@@ -1,8 +1,8 @@
-import { expect, use } from 'chai'
+import { use } from 'chai'
 import { Counter } from '../src/contracts/counter'
-import { DefaultProvider, MethodCallOptions, TestWallet, bsv } from 'scrypt-ts'
+import { getDefaultSigner } from './utils/helper'
+import { MethodCallOptions,} from 'scrypt-ts'
 import chaiAsPromised from 'chai-as-promised'
-import { myPrivateKey } from './utils/privateKey'
 use(chaiAsPromised)
 describe('Test SmartContract `Counter`', () => {
     before(() => {
@@ -15,10 +15,7 @@ describe('Test SmartContract `Counter`', () => {
         const initialCount: bigint = 100n
         const atOutputIndex = 0
         const counter = new Counter(initialCount)
-        const signer = new TestWallet(
-            myPrivateKey,
-            new DefaultProvider({ network: bsv.Networks.testnet })
-        )
+        const signer = getDefaultSigner()
         await counter.connect(signer)
         const deployTx = await counter.deploy(1)
 
@@ -27,10 +24,8 @@ describe('Test SmartContract `Counter`', () => {
 
         // call the method of current instance to apply the updates on chain
         for (let i = 0; i < 5; ++i) {
-            const tx = await signer.connectedProvider.getTransaction(
-                deployTx.id
-            )
-            instance = Counter.fromTx(tx, atOutputIndex)
+           
+            instance = Counter.fromTx(deployTx, atOutputIndex)
 
             await instance.connect(signer)