From f661a2233344602b3773377cd13bf88341ad0f63 Mon Sep 17 00:00:00 2001
From: Grigoriy Simonov <gsimonov@usetech.com>
Date: Tue, 27 Jun 2023 07:04:21 +0000
Subject: [PATCH] test: tests for sending `value` with `evm.call`


---
--- /dev/null
+++ b/tests/src/eth/transferValue.test.ts
@@ -0,0 +1,64 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {IKeyringPair} from '@polkadot/types/types';
+import {itEth, usingEthPlaygrounds} from './util';
+import {expect} from 'chai';
+
+describe('Send value to contract', () => {
+  let donor: IKeyringPair;
+
+  before(async () => {
+    await usingEthPlaygrounds(async (_helper, privateKey) => {
+      donor = await privateKey({url: import.meta.url});
+    });
+  });
+
+  itEth('Send to and from contract', async ({helper}) => {
+    const contractOwner = await helper.eth.createAccountWithBalance(donor, 600n);
+    const [buyer, receiver] = await helper.arrange.createAccounts([600n, 600n], donor);
+    const receiverMirror = helper.address.substrateToEth(receiver.address);
+    const contract = await helper.ethContract.deployByCode(
+      contractOwner,
+      'Test',
+      `
+      // SPDX-License-Identifier: UNLICENSED
+      pragma solidity 0.8.17;
+      
+      contract Test {
+        function send() public payable {
+          if (msg.value < 1000000000000000000)
+            revert("Not enough gold");
+        }
+      
+        function withdraw(address to) public {
+          payable(to).transfer(1000000000000000000);
+        }
+      }
+      `,
+    );
+
+    const balanceBefore = await helper.balance.getSubstrate(buyer.address);
+    await helper.eth.sendEVM(buyer, contract.options.address, contract.methods.send().encodeABI(), '2000000000000000000');
+    const balanceAfter = await helper.balance.getSubstrate(buyer.address);
+    expect(balanceBefore - balanceAfter > 2000000000000000000n).to.be.true;
+    expect(await helper.balance.getEthereum(contract.options.address)).to.be.equal(2000000000000000000n);
+
+    await helper.eth.sendEVM(buyer, contract.options.address, contract.methods.withdraw(receiverMirror).encodeABI(), '0');
+    expect(await helper.balance.getEthereum(receiverMirror)).to.be.equal(1000000000000000000n);
+    expect(await helper.balance.getEthereum(contract.options.address)).to.be.equal(1000000000000000000n);
+  });
+});
\ No newline at end of file

-- 
gitstuff