public async Task StartHere()
{
var web3 = new Web3.Web3(TestConfiguration.BlockchainUrls.Infura.Rinkeby);
//create an in-memory context and repository factory
var context = new InMemoryBlockchainStorageRepositoryContext();
var repoFactory = new InMemoryBlockchainStoreRepositoryFactory(context);
//create our processor
var processor = web3.Processing.Blocks.CreateBlockStorageProcessor(repoFactory);
//if we need to stop the processor mid execution - call cancel on the token
var cancellationToken = new CancellationToken();
//crawl the required block range
await processor.ExecuteAsync(
toBlockNumber : new BigInteger(2830145),
cancellationToken : cancellationToken,
startAtBlockNumberIfNotProcessed : new BigInteger(2830144));
Assert.Equal(2, context.Blocks.Count);
Assert.Equal(25, context.Transactions.Count);
Assert.Equal(5, context.Contracts.Count);
Assert.Equal(55, context.AddressTransactions.Count);
Assert.Equal(28, context.TransactionLogs.Count);
}
public async Task WithCriteria()
{
var web3 = new Web3.Web3(TestConfiguration.BlockchainUrls.Infura.Rinkeby);
//create an in-memory context and repository factory
var context = new InMemoryBlockchainStorageRepositoryContext();
var repoFactory = new InMemoryBlockchainStoreRepositoryFactory(context);
//create our processor - we're only interested in tx from a specific address
var processor = web3.Processing.Blocks.CreateBlockStorageProcessor(repoFactory, configureSteps: steps => {
steps.TransactionStep.SetMatchCriteria(t => t.Transaction.IsFrom("0x1cbff6551b8713296b0604705b1a3b76d238ae14"));
});
//if we need to stop the processor mid execution - call cancel on the token
var cancellationToken = new CancellationToken();
//crawl the required block range
await processor.ExecuteAsync(
toBlockNumber : new BigInteger(2830145),
cancellationToken : cancellationToken,
startAtBlockNumberIfNotProcessed : new BigInteger(2830144));
Assert.Equal(2, context.Blocks.Count);
Assert.Equal(2, context.Transactions.Count);
Assert.Equal(4, context.TransactionLogs.Count);
}
public async Task Crawls_Blocks_And_Persists_To_Repositories()
{
var rpcMock = new BlockProcessingRpcMock(Web3Mock);
rpcMock.SetupGetCurrentBlockNumber(200);
rpcMock.SetupTransactionsWithReceipts(100, 10, 2);
rpcMock.SetupTransactionsWithReceipts(101, 10, 2);
var context = new InMemoryBlockchainStorageRepositoryContext();
var repoFactory = new InMemoryBlockchainStoreRepositoryFactory(context);
var processor = Web3.Processing.Blocks.CreateBlockStorageProcessor(repoFactory);
var cancellationToken = new CancellationToken();
//crawl the required block range
await processor.ExecuteAsync(
toBlockNumber : new BigInteger(101),
cancellationToken : cancellationToken,
startAtBlockNumberIfNotProcessed : new BigInteger(100));
Assert.Equal(2, context.Blocks.Count);
Assert.Equal(20, context.Transactions.Count);
Assert.Equal(20, context.AddressTransactions.Count);
Assert.Equal(40, context.TransactionLogs.Count);
}
