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Add Blockchain UT for parallel TX #1310

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Merged
erikzhang merged 3 commits into from
Dec 2, 2019
Merged

Add Blockchain UT for parallel TX #1310

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516b10c
AddUT
shargon Dec 1, 2019
d8a9f37
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shargon Dec 1, 2019
517cfcf
Merge branch 'master' into add-ut-blockchain
vncoelho Dec 2, 2019
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77 changes: 76 additions & 1 deletion tests/neo.UnitTests/Ledger/UT_Blockchain.cs
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Original file line number Diff line number Diff line change
@@ -1,9 +1,17 @@
using Akka.TestKit.Xunit2;
using FluentAssertions;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Neo.IO;
using Neo.Ledger;
using Neo.Network.P2P.Payloads;
using Neo.Persistence;
using Neo.SmartContract;
using Neo.SmartContract.Native;
using Neo.SmartContract.Native.Tokens;
using Neo.Wallets;
using Neo.Wallets.NEP6;
using System.Linq;
using System.Reflection;

namespace Neo.UnitTests.Ledger
{
Expand Down Expand Up @@ -34,7 +42,7 @@ public static TestHeader Cast(Header input)
}

[TestClass]
public class UT_Blockchain
public class UT_Blockchain : TestKit
{
private NeoSystem system;
Transaction txSample = Blockchain.GenesisBlock.Transactions[0];
Expand Down Expand Up @@ -96,5 +104,72 @@ public void TestGetTransaction()
Blockchain.Singleton.GetTransaction(UInt256.Zero).Should().BeNull();
Blockchain.Singleton.GetTransaction(txSample.Hash).Should().NotBeNull();
}

[TestMethod]
public void TestValidTransaction()
{
var senderProbe = CreateTestProbe();
var snapshot = Blockchain.Singleton.GetSnapshot();
var walletA = TestUtils.GenerateTestWallet();

using (var unlockA = walletA.Unlock("123"))
{
var acc = walletA.CreateAccount();

// Fake balance

var key = NativeContract.GAS.CreateStorageKey(20, acc.ScriptHash);
var entry = snapshot.Storages.GetAndChange(key, () => new StorageItem
{
Value = new Nep5AccountState().ToByteArray()
});

entry.Value = new Nep5AccountState()
{
Balance = 100_000_000 * NativeContract.GAS.Factor
}
.ToByteArray();

snapshot.Commit();

typeof(Blockchain)
.GetMethod("UpdateCurrentSnapshot", BindingFlags.Instance | BindingFlags.NonPublic)
.Invoke(Blockchain.Singleton, null);

// Make transaction

var tx = CreateValidTx(walletA, acc.ScriptHash, 0);

senderProbe.Send(system.Blockchain, tx);
senderProbe.ExpectMsg(RelayResultReason.Succeed);

senderProbe.Send(system.Blockchain, tx);
senderProbe.ExpectMsg(RelayResultReason.AlreadyExists);
}
}

private Transaction CreateValidTx(NEP6Wallet wallet, UInt160 account, uint nonce)
{
var tx = wallet.MakeTransaction(new TransferOutput[]
{
new TransferOutput()
{
AssetId = NativeContract.GAS.Hash,
ScriptHash = account,
Value = new BigDecimal(1,8)
}
},
account);

tx.Nonce = nonce;

var data = new ContractParametersContext(tx);
Assert.IsTrue(wallet.Sign(data));
Assert.IsTrue(data.Completed);

tx.Witnesses = data.GetWitnesses();

return tx;
}
}
}