public async Task Should_Configure_Get_Logs_Filter_For_Address()
{
var currentBlockOnChain = 100;
var blockFrom = new BigInteger(0);
var blockTo = new BigInteger(0);
const int logsPerTransaction = 1;
const int transactionsPerBlock = 1;
const string contractAddress = "0x243e72b69141f6af525a9a5fd939668ee9f2b354";
//set up mock
var logRpcMock = new LogProcessingRpcMock(Web3Mock);
logRpcMock.SetupGetCurrentBlockNumber(currentBlockOnChain);
logRpcMock.SetupGetLogsToReturnDummyFilterLogs(blockFrom, blockTo, logsPerTransaction, transactionsPerBlock);
var logsHandled = new List <FilterLog>();
var logProcessor = Web3.Processing.Logs.CreateProcessorForContract(
contractAddress,
filterLog =>
{
logsHandled.Add(filterLog);
});
//act
await logProcessor.ExecuteAsync(blockTo, startAtBlockNumberIfNotProcessed : blockFrom);
//assert
var expectedLogCount = ((blockTo - blockFrom) + 1) * transactionsPerBlock * logsPerTransaction;
var actualGetLogsFilter = logRpcMock.GetLogsFiltersInvoked.FirstOrDefault();
Assert.Equal(contractAddress, actualGetLogsFilter.Address[0]);
Assert.Equal(expectedLogCount, logsHandled.Count);
}
public async Task Retries_Log_Retrieval_On_Error()
{
var logRpcMock = new LogProcessingRpcMock(Web3Mock);
//parameters
var currentBlockOnChain = 100;
var blockFrom = new BigInteger(0);
var blockTo = new BigInteger(1);
var blocksInRange = (blockTo - blockFrom) + 1;
//set up mock
var logsPerTransaction = 10;
var transactionsPerBlock = 10;
logRpcMock.SetupGetCurrentBlockNumber(currentBlockOnChain);
for (var block = blockFrom; block <= blockTo; block++)
{
logRpcMock.SetupLogsToReturn(block, transactionsPerBlock, logsPerTransaction);
}
var logsExpected = blocksInRange * (transactionsPerBlock * logsPerTransaction);
var logsHandled = new List <FilterLog>();
var logProcessor = Web3.Processing.Logs.CreateProcessor(filterLog => logsHandled.Add(filterLog));
await logProcessor.ExecuteAsync(blockTo, startAtBlockNumberIfNotProcessed : blockFrom);
Assert.Equal(logsExpected, logsHandled.Count);
Assert.Equal(1, logRpcMock.GetLogRequestCount);
}
public async Task Should_Accept_Event_Specific_Criteria()
{
var currentBlockOnChain = 100;
var blockFrom = new BigInteger(0);
var blockTo = new BigInteger(0);
var blocksInRange = (blockTo - blockFrom) + 1;
const int logsPerTransaction = 10;
const int transactionsPerBlock = 10;
//set up mock
var logRpcMock = new LogProcessingRpcMock(Web3Mock);
logRpcMock.SetupGetCurrentBlockNumber(currentBlockOnChain);
logRpcMock.SetupGetLogsToReturnDummyERC20Transfers(blockFrom, blockTo, logsPerTransaction, transactionsPerBlock);
var transfersHandled = new List <EventLog <TransferEventDTO> >();
var logProcessor = Web3.Processing.Logs.CreateProcessor <TransferEventDTO>(
//action
action: transferEventLog => {
transfersHandled.Add(transferEventLog); return(Task.CompletedTask);
},
//criteria
criteria: transferEventLog => {
var match = transferEventLog.Event.Value > 9999999999999;
return(Task.FromResult(match));
});
//act
await logProcessor.ExecuteAsync(blockTo, startAtBlockNumberIfNotProcessed : blockFrom);
//assert
Assert.Empty(transfersHandled);
}
public async Task Should_Match_Event_And_Invoke_Handler()
{
//setup
var currentBlockOnChain = 100;
var blockFrom = new BigInteger(0);
var blockTo = new BigInteger(0);
var blocksInRange = (blockTo - blockFrom) + 1;
const int logsPerTransaction = 10;
const int transactionsPerBlock = 10;
//set up mock
var logRpcMock = new LogProcessingRpcMock(Web3Mock);
logRpcMock.SetupGetCurrentBlockNumber(currentBlockOnChain);
logRpcMock.SetupGetLogsToReturnDummyERC20Transfers(blockFrom, blockTo, logsPerTransaction, transactionsPerBlock);
var transfersHandled = new List <EventLog <TransferEventDTO> >();
var logProcessor = Web3.Processing.Logs.CreateProcessor <TransferEventDTO>(
transferEvent => transfersHandled.Add(transferEvent));
//act
await logProcessor.ExecuteAsync(blockTo, startAtBlockNumberIfNotProcessed : blockFrom);
//assert
var logsExpected = blocksInRange * (transactionsPerBlock * logsPerTransaction);
Assert.Equal(logsExpected, transfersHandled.Count);
}
public async Task Get_Logs_Request_Will_Filter_Specifically_For_This_Event()
{
var currentBlockOnChain = 100;
var blockFrom = new BigInteger(0);
var blockTo = new BigInteger(0);
const int logsPerTransaction = 1;
const int transactionsPerBlock = 1;
//set up mock
var logRpcMock = new LogProcessingRpcMock(Web3Mock);
logRpcMock.SetupGetCurrentBlockNumber(currentBlockOnChain);
logRpcMock.SetupGetLogsToReturnDummyERC20Transfers(blockFrom, blockTo, logsPerTransaction, transactionsPerBlock);
var transfersHandled = new List <EventLog <TransferEventDTO> >();
var logProcessor = Web3.Processing.Logs.CreateProcessor <TransferEventDTO>(
transferEventLog =>
{
transfersHandled.Add(transferEventLog); return(Task.CompletedTask);
});
//act
await logProcessor.ExecuteAsync(blockTo, startAtBlockNumberIfNotProcessed : blockFrom);
//assert
var expectedGetLogsFilter = new FilterInputBuilder <TransferEventDTO>().Build();
var actualGetLogsFilter = logRpcMock.GetLogsFiltersInvoked.FirstOrDefault();
Assert.Equal(expectedGetLogsFilter.Topics[0], actualGetLogsFilter.Topics[0]);
}
public async Task Should_Configure_Get_Logs_Filter_For_Address_And_Event()
{
var currentBlockOnChain = 100;
var blockFrom = new BigInteger(0);
var blockTo = new BigInteger(0);
const int logsPerTransaction = 1;
const int transactionsPerBlock = 1;
const string contractAddress1 = "0x243e72b69141f6af525a9a5fd939668ee9f2b354";
const string contractAddress2 = "0x343e72b69141f6af525a9a5fd939668ee9f2b354";
var contractAddresses = new[] { contractAddress1, contractAddress2 };
//set up mock
var logRpcMock = new LogProcessingRpcMock(Web3Mock);
logRpcMock.SetupGetCurrentBlockNumber(currentBlockOnChain);
logRpcMock.SetupGetLogsToReturnDummyERC20Transfers(blockFrom, blockTo, logsPerTransaction, transactionsPerBlock);
var transfersHandled = new List <EventLog <TransferEventDTO> >();
var logProcessor = Web3.Processing.Logs.CreateProcessorForContracts <TransferEventDTO>(
contractAddresses,
transferEventLog =>
{
transfersHandled.Add(transferEventLog);
});
//act
await logProcessor.ExecuteAsync(blockTo, startAtBlockNumberIfNotProcessed : blockFrom);
//assert
var expectedGetLogsFilter = new FilterInputBuilder <TransferEventDTO>().Build(contractAddresses);
var actualGetLogsFilter = logRpcMock.GetLogsFiltersInvoked.FirstOrDefault();
var expectedLogCount = ((blockTo - blockFrom) + 1) * transactionsPerBlock * logsPerTransaction;
Assert.Equal(expectedGetLogsFilter.Topics[0], actualGetLogsFilter.Topics[0]);
Assert.Equal(expectedGetLogsFilter.Address, actualGetLogsFilter.Address);
Assert.Equal(expectedLogCount, transfersHandled.Count);
}
public async Task Should_Not_Match_Other_Events()
{
var currentBlockOnChain = 100;
var blockFrom = new BigInteger(0);
var blockTo = new BigInteger(0);
const int logsPerTransaction = 10;
const int transactionsPerBlock = 10;
//set up mock
var logRpcMock = new LogProcessingRpcMock(Web3Mock);
logRpcMock.SetupGetCurrentBlockNumber(currentBlockOnChain);
logRpcMock.SetupGetLogsToReturnDummyERC20Transfers(blockFrom, blockTo, logsPerTransaction, transactionsPerBlock);
var approvalsHandled = new List <EventLog <ApprovalEventDTO> >();
var logProcessor = Web3.Processing.Logs.CreateProcessor <ApprovalEventDTO>(
approvalEvent => approvalsHandled.Add(approvalEvent));
await logProcessor.ExecuteAsync(blockTo, startAtBlockNumberIfNotProcessed : blockFrom);
Assert.Empty(approvalsHandled);
}
