public async Task <HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default)
{
IEthModule ethModule = (IEthModule)await _rpcModuleProvider.Rent("eth_syncing", false);
INetModule netModule = (INetModule)await _rpcModuleProvider.Rent("net_peerCount", false);
try
{
long netPeerCount = (long)netModule.net_peerCount().GetData();
SyncingResult ethSyncing = (SyncingResult)ethModule.eth_syncing().GetData();
if (ethSyncing.IsSyncing == false && netPeerCount > 0)
{
return(HealthCheckResult.Healthy(description: $"The node is now fully synced with a network, number of peers: {netPeerCount}"));
}
else if (ethSyncing.IsSyncing == false && netPeerCount == 0)
{
return(HealthCheckResult.Unhealthy(description: $"The node has 0 peers connected"));
}
return(HealthCheckResult.Unhealthy(description: $"The node is still syncing, CurrentBlock: {ethSyncing.CurrentBlock}, HighestBlock: {ethSyncing.HighestBlock}, Peers: {netPeerCount}"));
}
catch (Exception ex)
{
return(new HealthCheckResult(context.Registration.FailureStatus, exception: ex));
}
finally
{
_rpcModuleProvider.Return("eth_syncing", ethModule);
_rpcModuleProvider.Return("net_peerCount", netModule);
}
}
public void GetNewFilterTest()
{
IEthModule ethModule = Substitute.For <IEthModule>();
ethModule.eth_newFilter(Arg.Any <Filter>()).ReturnsForAnyArgs(x => ResultWrapper <UInt256?> .Success(1));
var parameters = new
{
fromBlock = "0x1",
toBlock = "latest",
address = "0x1f88f1f195afa192cfee860698584c030f4c9db2",
topics = new List <object>
{
"0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b", null,
new[]
{
"0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
"0x0000000000000000000000000aff3454fce5edbc8cca8697c15331677e6ebccc"
}
}
};
JsonRpcSuccessResponse response = TestRequest(ethModule, "eth_newFilter", JsonConvert.SerializeObject(parameters)) as JsonRpcSuccessResponse;
Assert.AreEqual(UInt256.One, response?.Result);
}
public void Can_rent_and_return_in_a_loop(bool canBeShared)
{
for (int i = 0; i < 1000; i++)
{
IEthModule ethModule = _modulePool.GetModule(canBeShared);
_modulePool.ReturnModule(ethModule);
}
}
public void Ensure_returning_shared_does_not_change_concurrency()
{
IEthModule shared = _modulePool.GetModule(true);
_modulePool.ReturnModule(shared);
_modulePool.GetModule(false);
Assert.Throws <TimeoutException>(() => _modulePool.GetModule(false));
}
public void Case_sensitivity_test()
{
IEthModule ethModule = Substitute.For <IEthModule>();
ethModule.eth_chainId().ReturnsForAnyArgs(ResultWrapper <ulong> .Success(1ul));
TestRequest(ethModule, "eth_chainID").Should().BeOfType <JsonRpcErrorResponse>();
TestRequest(ethModule, "eth_chainId").Should().BeOfType <JsonRpcSuccessResponse>();
}
public async Task Ensure_returning_shared_does_not_change_concurrency()
{
IEthModule shared = await _modulePool.GetModule(true);
_modulePool.ReturnModule(shared);
await _modulePool.GetModule(false);
Assert.ThrowsAsync <ModuleRentalTimeoutException>(() => _modulePool.GetModule(false));
}
public void Eth_module_populates_size_when_returning_block_data()
{
IEthModule ethModule = Substitute.For <IEthModule>();
ethModule.eth_getBlockByNumber(Arg.Any <BlockParameter>(), true).ReturnsForAnyArgs(x => ResultWrapper <BlockForRpc> .Success(new BlockForRpc(Build.A.Block.WithNumber(2).TestObject, true)));
JsonRpcSuccessResponse response = TestRequest(ethModule, "eth_getBlockByNumber", "0x1b4", "true") as JsonRpcSuccessResponse;
Assert.AreEqual(513L, (response?.Result as BlockForRpc)?.Size);
}
public void GetBlockByNumberTest()
{
IEthModule ethModule = Substitute.For <IEthModule>();
ethModule.eth_getBlockByNumber(Arg.Any <BlockParameter>(), true).ReturnsForAnyArgs(x => ResultWrapper <BlockForRpc> .Success(new BlockForRpc(Build.A.Block.WithNumber(2).TestObject, true)));
JsonRpcResponse response = TestRequest <IEthModule>(ethModule, "eth_getBlockByNumber", "0x1b4", "true");
Assert.AreEqual(2L, (response.Result as BlockForRpc)?.Number);
}
public void GetWorkTest()
{
IEthModule ethModule = Substitute.For <IEthModule>();
ethModule.eth_getWork().ReturnsForAnyArgs(x => ResultWrapper <IEnumerable <Data> > .Success(new[] { new Data("aa"), new Data("01") }));
JsonRpcResponse response = TestRequest <IEthModule>(ethModule, "eth_getWork");
Assert.Contains("0xaa", (List <object>)response.Result);
Assert.Contains("0x01", (List <object>)response.Result);
}
public void CanHandleOptionalArguments()
{
EthereumJsonSerializer serializer = new EthereumJsonSerializer();
string serialized = serializer.Serialize(new TransactionForRpc());
IEthModule ethModule = Substitute.For <IEthModule>();
ethModule.eth_call(Arg.Any <TransactionForRpc>()).ReturnsForAnyArgs(x => ResultWrapper <byte[]> .Success(new byte[] { 1 }));
JsonRpcResponse response = TestRequest <IEthModule>(ethModule, "eth_call", serialized);
Assert.AreEqual(1, (response.Result as byte[]).Length);
}
public void CanHandleOptionalArguments()
{
EthereumJsonSerializer serializer = new EthereumJsonSerializer();
string serialized = serializer.Serialize(new TransactionForRpc());
IEthModule ethModule = Substitute.For <IEthModule>();
ethModule.eth_call(Arg.Any <TransactionForRpc>()).ReturnsForAnyArgs(x => ResultWrapper <string> .Success("0x1"));
JsonRpcSuccessResponse response = TestRequest(ethModule, "eth_call", serialized) as JsonRpcSuccessResponse;
Assert.AreEqual("0x1", response?.Result);
}
public void GetWorkTest()
{
IEthModule ethModule = Substitute.For <IEthModule>();
ethModule.eth_getWork().ReturnsForAnyArgs(x => ResultWrapper <IEnumerable <byte[]> > .Success(new[] { Bytes.FromHexString("aa"), Bytes.FromHexString("01") }));
JsonRpcSuccessResponse response = TestRequest(ethModule, "eth_getWork") as JsonRpcSuccessResponse;
byte[][] dataList = response?.Result as byte[][];
Assert.NotNull(dataList?.SingleOrDefault(d => d.ToHexString(true) == "0xaa"));
Assert.NotNull(dataList?.SingleOrDefault(d => d.ToHexString(true) == "0x01"));
}
public void GetBlockByNumberTest()
{
IEthModule ethModule = Substitute.For <IEthModule>();
ethModule.eth_getBlockByNumber(Arg.Any <BlockParameter>(), true).ReturnsForAnyArgs(x => ResultWrapper <Block> .Success(new Block {
Number = new Quantity(2)
}));
JsonRpcResponse response = TestRequest <IEthModule>(ethModule, "eth_getBlockByNumber", "0x1b4", "true");
Assert.IsTrue(response.Result.ToString().Contains("0x02"));
}
private void Initialize(INetModule netModule, IEthModule ethModule, IWeb3Module web3Module, IShhModule shhModule)
{
_modules = new[]
{
new ModuleInfo(ModuleType.Net, typeof(INetModule), netModule),
new ModuleInfo(ModuleType.Eth, typeof(IEthModule), ethModule),
new ModuleInfo(ModuleType.Web3, typeof(IWeb3Module), web3Module),
new ModuleInfo(ModuleType.Shh, typeof(IShhModule), shhModule)
};
_enabledModules = _modules.Where(x => _configurationProvider.EnabledModules.Contains(x.ModuleType)).ToArray();
}
public async Task Ensure_that_shared_is_never_returned_as_exclusive()
{
IEthModule sharedModule = _modulePool.GetModule(true);
_modulePool.ReturnModule(sharedModule);
const int iterations = 1000;
Action rentReturnShared = () =>
{
for (int i = 0; i < iterations; i++)
{
TestContext.Out.WriteLine($"Rent shared {i}");
IEthModule ethModule = _modulePool.GetModule(true);
Assert.AreSame(sharedModule, ethModule);
_modulePool.ReturnModule(ethModule);
TestContext.Out.WriteLine($"Return shared {i}");
}
};
Action rentReturnExclusive = () =>
{
for (int i = 0; i < iterations; i++)
{
TestContext.Out.WriteLine($"Rent exclusive {i}");
IEthModule ethModule = _modulePool.GetModule(false);
Assert.AreNotSame(sharedModule, ethModule);
_modulePool.ReturnModule(ethModule);
TestContext.Out.WriteLine($"Return exclusive {i}");
}
};
Task a = new Task(rentReturnExclusive);
Task b = new Task(rentReturnExclusive);
Task c = new Task(rentReturnShared);
Task d = new Task(rentReturnShared);
a.Start();
b.Start();
c.Start();
d.Start();
await Task.WhenAll(a, b, c, d);
}
public async Task Can_rent_and_return(bool canBeShared)
{
IEthModule ethModule = await _modulePool.GetModule(canBeShared);
_modulePool.ReturnModule(ethModule);
}
public ModuleProvider(IConfigProvider configurationProvider, INetModule netModule, IEthModule ethModule, IWeb3Module web3Module, IShhModule shhModule)
{
_configurationProvider = configurationProvider.GetConfig <JsonRpcConfig>();
Initialize(netModule, ethModule, web3Module, shhModule);
}
public void Can_rent_and_return(bool canBeShared)
{
IEthModule ethModule = _modulePool.GetModule(canBeShared);
_modulePool.ReturnModule(ethModule);
}