public async Task OneEventWithMapping()
{
if (_disableElasticSearch)
{
return;
}
const string INDEX_NAME = "mapped-transfer-logs";
var elasticClient = CreateLocalElasticClient();
//surround with "using" so that anything in a buffer is sent on dispose
using (var elasticSearchService = new ElasticSearchService(elasticClient))
{
try
{
//setup
await elasticSearchService.CreateIfNotExists(INDEX_NAME);
var indexer = elasticSearchService.CreateIndexerForEventLog <TransferEvent_ERC20, CustomTransferSearchDocumentDto>(
INDEX_NAME,
(from) => new CustomTransferSearchDocumentDto
{
From = from.Event.From,
To = from.Event.To,
Value = from.Event.Value.ToString(),
BlockNumber = from.Log.BlockNumber.Value.ToString(),
TxHash = from.Log.TransactionHash,
LogAddress = from.Log.Address,
LogIndex = (int)from.Log.LogIndex.Value,
DocumentKey = $"{from.Log.TransactionHash}_{from.Log.LogIndex.Value}"
},
documentsPerBatch: 1);
var web3 = new Web3.Web3(BlockchainUrl);
var blockchainProcessor = web3.Processing.Logs.CreateProcessor <TransferEvent_ERC20>((transfer) => indexer.IndexAsync(transfer));
var cancellationTokenSource = new CancellationTokenSource();
//execute
await blockchainProcessor.ExecuteAsync(3146694, cancellationTokenSource.Token, 3146684);
//assert
await Task.Delay(1000); // allow time to index
Assert.Equal(19, await elasticSearchService.CountDocumentsAsync(INDEX_NAME));
//http://localhost:9200/transfer-logs/_search?q=from:0x1b31d19b6a9a942bbf3c197ca1e5efede3ff8ff2
}
finally
{
await elasticSearchService.DeleteIndexAsync(INDEX_NAME);
}
}
}
public async Task OneEvent()
{
if (_disableElasticSearch)
{
return;
}
const string INDEX_NAME = "transfer-logs";
var elasticClient = CreateLocalElasticClient();
//surround with "using" so that anything in a buffer is sent on dispose
using (var elasticSearchService = new ElasticSearchService(elasticClient))
{
try
{
//setup
await elasticSearchService.CreateIfNotExists(INDEX_NAME);
var indexer = elasticSearchService.CreateIndexerForEventLog <TransferEvent_ERC20>(INDEX_NAME, documentsPerBatch: 1);
var web3 = new Web3.Web3(BlockchainUrl);
var blockchainProcessor = web3.Processing.Logs.CreateProcessor <TransferEvent_ERC20>((transfer) => indexer.IndexAsync(transfer));
var cancellationTokenSource = new CancellationTokenSource();
//execute
await blockchainProcessor.ExecuteAsync(3146694, cancellationTokenSource.Token, 3146684);
//assert
await Task.Delay(1000); // allow time to index
Assert.Equal(19, await elasticSearchService.CountDocumentsAsync(INDEX_NAME));
//http://localhost:9200/transfer-logs/_search?q=from:0x1b31d19b6a9a942bbf3c197ca1e5efede3ff8ff2
}
finally
{
await elasticSearchService.DeleteIndexAsync(INDEX_NAME);
}
}
}