Fix .gitignore: stop tracking ignored files

2026-05-27 03:36:32 +00:00 · 2025-07-27 10:39:02 +05:30
parent b42747e9a3
commit 3a87ef0576
625 changed files with 88566 additions and 63 deletions
@@ -0,0 +1,133 @@
+const { BN, expectRevert } = require('@openzeppelin/test-helpers');
+
+const { expect } = require('chai');
+
+const ERC20Pausable = artifacts.require('$ERC20Pausable');
+
+contract('ERC20Pausable', function (accounts) {
+  const [holder, recipient, anotherAccount] = accounts;
+
+  const initialSupply = new BN(100);
+
+  const name = 'My Token';
+  const symbol = 'MTKN';
+
+  beforeEach(async function () {
+    this.token = await ERC20Pausable.new(name, symbol);
+    await this.token.$_mint(holder, initialSupply);
+  });
+
+  describe('pausable token', function () {
+    describe('transfer', function () {
+      it('allows to transfer when unpaused', async function () {
+        await this.token.transfer(recipient, initialSupply, { from: holder });
+
+        expect(await this.token.balanceOf(holder)).to.be.bignumber.equal('0');
+        expect(await this.token.balanceOf(recipient)).to.be.bignumber.equal(initialSupply);
+      });
+
+      it('allows to transfer when paused and then unpaused', async function () {
+        await this.token.$_pause();
+        await this.token.$_unpause();
+
+        await this.token.transfer(recipient, initialSupply, { from: holder });
+
+        expect(await this.token.balanceOf(holder)).to.be.bignumber.equal('0');
+        expect(await this.token.balanceOf(recipient)).to.be.bignumber.equal(initialSupply);
+      });
+
+      it('reverts when trying to transfer when paused', async function () {
+        await this.token.$_pause();
+
+        await expectRevert(
+          this.token.transfer(recipient, initialSupply, { from: holder }),
+          'ERC20Pausable: token transfer while paused',
+        );
+      });
+    });
+
+    describe('transfer from', function () {
+      const allowance = new BN(40);
+
+      beforeEach(async function () {
+        await this.token.approve(anotherAccount, allowance, { from: holder });
+      });
+
+      it('allows to transfer from when unpaused', async function () {
+        await this.token.transferFrom(holder, recipient, allowance, { from: anotherAccount });
+
+        expect(await this.token.balanceOf(recipient)).to.be.bignumber.equal(allowance);
+        expect(await this.token.balanceOf(holder)).to.be.bignumber.equal(initialSupply.sub(allowance));
+      });
+
+      it('allows to transfer when paused and then unpaused', async function () {
+        await this.token.$_pause();
+        await this.token.$_unpause();
+
+        await this.token.transferFrom(holder, recipient, allowance, { from: anotherAccount });
+
+        expect(await this.token.balanceOf(recipient)).to.be.bignumber.equal(allowance);
+        expect(await this.token.balanceOf(holder)).to.be.bignumber.equal(initialSupply.sub(allowance));
+      });
+
+      it('reverts when trying to transfer from when paused', async function () {
+        await this.token.$_pause();
+
+        await expectRevert(
+          this.token.transferFrom(holder, recipient, allowance, { from: anotherAccount }),
+          'ERC20Pausable: token transfer while paused',
+        );
+      });
+    });
+
+    describe('mint', function () {
+      const amount = new BN('42');
+
+      it('allows to mint when unpaused', async function () {
+        await this.token.$_mint(recipient, amount);
+
+        expect(await this.token.balanceOf(recipient)).to.be.bignumber.equal(amount);
+      });
+
+      it('allows to mint when paused and then unpaused', async function () {
+        await this.token.$_pause();
+        await this.token.$_unpause();
+
+        await this.token.$_mint(recipient, amount);
+
+        expect(await this.token.balanceOf(recipient)).to.be.bignumber.equal(amount);
+      });
+
+      it('reverts when trying to mint when paused', async function () {
+        await this.token.$_pause();
+
+        await expectRevert(this.token.$_mint(recipient, amount), 'ERC20Pausable: token transfer while paused');
+      });
+    });
+
+    describe('burn', function () {
+      const amount = new BN('42');
+
+      it('allows to burn when unpaused', async function () {
+        await this.token.$_burn(holder, amount);
+
+        expect(await this.token.balanceOf(holder)).to.be.bignumber.equal(initialSupply.sub(amount));
+      });
+
+      it('allows to burn when paused and then unpaused', async function () {
+        await this.token.$_pause();
+        await this.token.$_unpause();
+
+        await this.token.$_burn(holder, amount);
+
+        expect(await this.token.balanceOf(holder)).to.be.bignumber.equal(initialSupply.sub(amount));
+      });
+
+      it('reverts when trying to burn when paused', async function () {
+        await this.token.$_pause();
+
+        await expectRevert(this.token.$_burn(holder, amount), 'ERC20Pausable: token transfer while paused');
+      });
+    });
+  });
+});