private async IAsyncEnumerable <EthereumTransactionHash> ListAddressHashesAsync(
EthereumAddress address,
Symbol symbol,
string indexName,
string attributeName)
{
var key = dataKeyProvider.GetKey(symbol);
var lastEvaluatedKey = new Dictionary <string, AttributeValue>();
while (!CancellationToken.IsCancellationRequested)
{
var response = await DynamoDB.QueryAsync(
new QueryRequest()
{
TableName = TableName,
IndexName = indexName,
Select = Select.ALL_PROJECTED_ATTRIBUTES,
KeyConditionExpression = string.Format(
"#{0} = :{0}Val AND #{1} = :{1}Val",
attributeName,
nameof(DataOperation.ContractAddress)),
ExpressionAttributeNames = new Dictionary <string, string>()
{
[$"#{attributeName}"] = attributeName,
[$"#{nameof(DataOperation.ContractAddress)}"] = nameof(DataOperation.ContractAddress)
},
ExpressionAttributeValues = new Dictionary <string, AttributeValue>()
{
[$":{attributeName}Val"] = new AttributeValue(address),
[$":{nameof(DataOperation.ContractAddress)}Val"] = new AttributeValue(key)
},
ExclusiveStartKey = lastEvaluatedKey.Any()
? lastEvaluatedKey
: null
},
CancellationToken);
if (response.HttpStatusCode != HttpStatusCode.OK)
{
throw new HttpRequestException($"Response code did not indicate success: {response.HttpStatusCode}");
}
else
{
lastEvaluatedKey = response.LastEvaluatedKey;
}
foreach (var attributes in response.Items)
{
if (attributes.ContainsKey(nameof(DataOperation.Hash)))
{
yield return(new EthereumTransactionHash(attributes[nameof(DataOperation.Hash)].S));
}
}
if (!lastEvaluatedKey.Any())
{
break;
}
}
}
private async Task <DataStakingPower> GetByBoundsAsync(EthereumAddress contractAddress, bool latest)
{
var response = await DynamoDB.QueryAsync(
new QueryRequest()
{
TableName = TableName,
ScanIndexForward = !latest,
Select = Select.ALL_ATTRIBUTES,
KeyConditionExpression = $"#{nameof(DataStakingPower.Address)} = :{nameof(DataStakingPower.Address)}Val",
ExpressionAttributeNames = new Dictionary <string, string>()
{
[$"#{nameof(DataStakingPower.Address)}"] = nameof(DataStakingPower.Address),
},
ExpressionAttributeValues = new Dictionary <string, AttributeValue>()
{
[$":{nameof(DataStakingPower.Address)}Val"] = new AttributeValue(contractAddress)
},
Limit = 1
},
CancellationToken);
if (response.HttpStatusCode != HttpStatusCode.OK)
{
throw new HttpRequestException($"Response code did not indicate success: {response.HttpStatusCode}");
}
if (response.Items.Count == 1)
{
return(Map(response.Items.Single()));
}
return(null);
}
private async Task <long> GetBlockNumberAsync(EthereumAddress address, bool latest)
{
var response = await DynamoDB.QueryAsync(
new QueryRequest()
{
TableName = TableName,
IndexName = BlockNumberIndexName,
ScanIndexForward = !latest,
Select = Select.ALL_PROJECTED_ATTRIBUTES,
KeyConditionExpression = $"#{nameof(DataTransaction.Address)} = :{nameof(DataTransaction.Address)}Val",
ExpressionAttributeNames = new Dictionary <string, string>()
{
[$"#{nameof(DataTransaction.Address)}"] = nameof(DataTransaction.Address),
},
ExpressionAttributeValues = new Dictionary <string, AttributeValue>()
{
[$":{nameof(DataTransaction.Address)}Val"] = new AttributeValue(address.Address)
},
Limit = 1
},
CancellationToken);
if (response.HttpStatusCode != HttpStatusCode.OK)
{
throw new HttpRequestException($"Response code did not indicate success: {response.HttpStatusCode}");
}
if (response.Items.Count == 1 &&
response.Items.Single().ContainsKey(nameof(DataTransaction.BlockNumber)) &&
long.TryParse(response.Items.Single()[nameof(DataTransaction.BlockNumber)].N, out long blockNumber))
{
return(blockNumber);
}
return(default);
public async IAsyncEnumerable <DataFundPerformance> ListPerformancesAsync(Symbol symbol, DateTime from, DateTime to)
{
var key = dataKeyProvider.GetKey(symbol);
var lastEvaluatedKey = new Dictionary <string, AttributeValue>();
while (!CancellationToken.IsCancellationRequested)
{
var response = await DynamoDB.QueryAsync(
new QueryRequest()
{
TableName = TableName,
ScanIndexForward = false,
Select = Select.ALL_ATTRIBUTES,
KeyConditionExpression = string.Format(
"#{0} = :{0}Val AND #{1} >= :{2}Val",
nameof(DataFundPerformance.Address),
nameof(DataFundPerformance.Date),
nameof(from)),
ExpressionAttributeNames = new Dictionary <string, string>()
{
[$"#{nameof(DataFundPerformance.Address)}"] = nameof(DataFundPerformance.Address),
[$"#{nameof(DataFundPerformance.Date)}"] = nameof(DataFundPerformance.Date),
},
ExpressionAttributeValues = new Dictionary <string, AttributeValue>()
{
[$":{nameof(DataFundPerformance.Address)}Val"] = new AttributeValue(key),
[$":{nameof(from)}Val"] = new AttributeValue(from.ToISO8601String())
},
ExclusiveStartKey = lastEvaluatedKey
},
CancellationToken);
if (response.HttpStatusCode != HttpStatusCode.OK)
{
throw new HttpRequestException($"Response code did not indicate success: {response.HttpStatusCode}");
}
else
{
lastEvaluatedKey = response.LastEvaluatedKey;
}
foreach (var perf in response.Items
.Select(Map)
.OrderBy(p => p.Date))
{
if (perf.Date > to)
{
break;
}
yield return(perf);
}
if (!lastEvaluatedKey.Any())
{
break;
}
}
}
public async IAsyncEnumerable <DataOperation> ListOperationsAsync(EthereumTransactionHash hash)
{
var lastEvaluatedKey = new Dictionary <string, AttributeValue>();
while (!CancellationToken.IsCancellationRequested)
{
var response = await DynamoDB.QueryAsync(
new QueryRequest()
{
TableName = TableName,
Select = Select.ALL_ATTRIBUTES,
KeyConditionExpression = string.Format("#{0} = :{0}Val", nameof(DataOperation.Hash)),
ExpressionAttributeNames = new Dictionary <string, string>()
{
[$"#{nameof(DataOperation.Hash)}"] = nameof(DataOperation.Hash),
},
ExpressionAttributeValues = new Dictionary <string, AttributeValue>()
{
[$":{nameof(DataOperation.Hash)}Val"] = new AttributeValue {
S = hash
},
},
ExclusiveStartKey = lastEvaluatedKey.Any()
? lastEvaluatedKey
: null
},
CancellationToken);
if (response.HttpStatusCode != HttpStatusCode.OK)
{
throw new HttpRequestException($"Response code did not indicate success: {response.HttpStatusCode}");
}
else
{
lastEvaluatedKey = response.LastEvaluatedKey;
}
foreach (var attributes in response.Items)
{
yield return(Map(attributes));
}
if (!lastEvaluatedKey.Any())
{
break;
}
}
}
private async Task <DateTime?> GetDateAsync(Symbol symbol, bool latest)
{
var key = dataKeyProvider.GetKey(symbol);
var response = await DynamoDB.QueryAsync(
new QueryRequest()
{
TableName = TableName,
ScanIndexForward = !latest,
Select = Select.ALL_ATTRIBUTES,
KeyConditionExpression = $"#{nameof(DataFundPerformance.Address)} = :{nameof(DataFundPerformance.Address)}Val",
ExpressionAttributeNames = new Dictionary <string, string>()
{
[$"#{nameof(DataFundPerformance.Address)}"] = nameof(DataFundPerformance.Address),
},
ExpressionAttributeValues = new Dictionary <string, AttributeValue>()
{
[$":{nameof(DataFundPerformance.Address)}Val"] = new AttributeValue(key)
},
Limit = 1
},
CancellationToken);
if (response.HttpStatusCode != HttpStatusCode.OK)
{
throw new HttpRequestException($"Response code did not indicate success: {response.HttpStatusCode}");
}
if (response.Items.Count == 1 &&
response.Items.Single().ContainsKey(nameof(DataFundPerformance.Date)) &&
DateTimeOffset.TryParse(
response.Items.Single()[nameof(DataFundPerformance.Date)].S,
null,
DateTimeStyles.AssumeUniversal,
out DateTimeOffset date))
{
return(date.UtcDateTime);
}
return(null);
}
public async IAsyncEnumerable <DataTransaction> ListTransactionsAsync(
Symbol symbol,
EthereumTransactionHash?startHash,
DateTime?offset,
DateTime from,
DateTime to)
{
var key = dataKeyProvider.GetKey(symbol);
var lastEvaluatedKey = offset.HasValue && startHash.HasValue
? new Dictionary <string, AttributeValue>()
{
[nameof(DataTransaction.Address)] = new AttributeValue(key),
[nameof(DataTransaction.Hash)] = new AttributeValue(startHash.Value),
[nameof(DataTransaction.ConfirmedAt)] = new AttributeValue(offset.Value.ToISO8601String())
}
: null;
var response = await DynamoDB.QueryAsync(
new QueryRequest()
{
TableName = TableName,
ScanIndexForward = true,
IndexName = DateIndexName,
Select = Select.ALL_ATTRIBUTES,
KeyConditionExpression = string.Format(
"#{0} = :{0}Val AND #{1} >= :{2}Val",
nameof(DataTransaction.Address),
nameof(DataTransaction.ConfirmedAt),
nameof(from)),
ExpressionAttributeNames = new Dictionary <string, string>()
{
[$"#{nameof(DataTransaction.Address)}"] = nameof(DataTransaction.Address),
[$"#{nameof(DataTransaction.ConfirmedAt)}"] = nameof(DataTransaction.ConfirmedAt),
},
ExpressionAttributeValues = new Dictionary <string, AttributeValue>()
{
[$":{nameof(DataTransaction.Address)}Val"] = new AttributeValue(key),
[$":{nameof(from)}Val"] = new AttributeValue {
S = from.ToISO8601String()
}
},
Limit = PageSize,
ExclusiveStartKey = lastEvaluatedKey
},
CancellationToken);
if (response.HttpStatusCode != HttpStatusCode.OK)
{
throw new HttpRequestException($"Response code did not indicate success: {response.HttpStatusCode}");
}
else if (
response.LastEvaluatedKey.Any() &&
DateTime.Parse(response.LastEvaluatedKey[nameof(DataTransaction.ConfirmedAt)].S) <= to)
{
httpContextAccessor.HttpContext.Response.Headers.Add(
Headers.PaginationId,
response.LastEvaluatedKey[nameof(DataTransaction.Hash)].S);
httpContextAccessor.HttpContext.Response.Headers.Add(
Headers.PaginationOffset,
response.LastEvaluatedKey[nameof(DataTransaction.ConfirmedAt)].S);
}
foreach (var transaction in response.Items
.Select(Map)
.Where(t => t.ConfirmedAt <= to)
.OrderBy(t => t.ConfirmedAt))
{
yield return(transaction);
}
}
private async IAsyncEnumerable <DataTransaction> ListAddressTransactionsAsync(
Symbol symbol,
EthereumAddress address,
bool outbound,
EthereumAddress?filterAddress = null,
DateTime?from = null,
DateTime?to = null)
{
var key = dataKeyProvider.GetKey(symbol);
var lastEvaluatedKey = new Dictionary <string, AttributeValue>();
var attributeName = outbound
? nameof(DataTransaction.Sender)
: nameof(DataTransaction.Recipient);
var filterAttributeName = outbound
? nameof(DataTransaction.Recipient)
: nameof(DataTransaction.Sender);
while (!CancellationToken.IsCancellationRequested)
{
var request = new QueryRequest()
{
TableName = TableName,
IndexName = outbound
? OutboundIndexName
: InboundIndexName,
Select = Select.ALL_ATTRIBUTES,
KeyConditionExpression = string.Format(
"#{0} = :{0}Val AND #{1} = :{1}Val",
attributeName,
nameof(DataTransaction.Address)),
ExpressionAttributeNames = new Dictionary <string, string>()
{
[$"#{attributeName}"] = attributeName,
[$"#{nameof(DataTransaction.Address)}"] = nameof(DataTransaction.Address),
},
ExpressionAttributeValues = new Dictionary <string, AttributeValue>()
{
[$":{attributeName}Val"] = new AttributeValue(address),
[$":{nameof(DataTransaction.Address)}Val"] = new AttributeValue(key)
},
Limit = PageSize,
ExclusiveStartKey = lastEvaluatedKey.Any()
? lastEvaluatedKey
: null
};
var response = await DynamoDB.QueryAsync(request, CancellationToken);
if (response.HttpStatusCode != HttpStatusCode.OK)
{
throw new HttpRequestException($"Response code did not indicate success: {response.HttpStatusCode}");
}
else
{
lastEvaluatedKey = response.LastEvaluatedKey;
}
foreach (var attributes in response.Items
.Where(x =>
!filterAddress.HasValue ||
filterAddress.Value.Address.Equals(x[filterAttributeName].S, StringComparison.OrdinalIgnoreCase)))
{
var transaction = Map(attributes);
if (!from.HasValue ||
!to.HasValue ||
(from.HasValue && to.HasValue &&
from <= transaction.ConfirmedAt &&
to >= transaction.ConfirmedAt))
{
yield return(transaction);
}
}
if (!lastEvaluatedKey.Any())
{
break;
}
}
}
public async IAsyncEnumerable <DataStakingPower> ListStakingPowersAsync(
EthereumAddress contractAddress,
DateTime from,
DateTime to)
{
var lastEvaluatedKey = new Dictionary <string, AttributeValue>();
while (!CancellationToken.IsCancellationRequested)
{
var response = await DynamoDB.QueryAsync(
new QueryRequest()
{
TableName = TableName,
ScanIndexForward = false,
Select = Select.SPECIFIC_ATTRIBUTES,
KeyConditionExpression = string.Format(
"#{0} = :{0}Val AND #{1} >= :{2}Val",
nameof(DataStakingPower.Address),
nameof(DataStakingPower.Date),
nameof(from)),
ExpressionAttributeNames = new Dictionary <string, string>()
{
[$"#{nameof(DataStakingPower.Address)}"] = nameof(DataStakingPower.Address),
[$"#{nameof(DataStakingPower.Date)}"] = nameof(DataStakingPower.Date),
},
ExpressionAttributeValues = new Dictionary <string, AttributeValue>()
{
[$":{nameof(DataStakingPower.Address)}Val"] = new AttributeValue(contractAddress),
[$":{nameof(from)}Val"] = new AttributeValue(from.ToISO8601String())
},
ProjectionExpression = string.Join(",", new List <string>()
{
$"#{nameof(DataStakingPower.Address)}",
$"#{nameof(DataStakingPower.Date)}",
$"{nameof(DataStakingPower.Power)}",
$"{nameof(DataStakingPower.Summary)}"
}),
Limit = PageSize,
ExclusiveStartKey = lastEvaluatedKey
},
CancellationToken);
if (response.HttpStatusCode != HttpStatusCode.OK)
{
throw new HttpRequestException($"Response code did not indicate success: {response.HttpStatusCode}");
}
else
{
lastEvaluatedKey = response.LastEvaluatedKey;
}
foreach (var power in response.Items
.Select(Map)
.OrderBy(p => p.Date))
{
if (power.Date > to)
{
break;
}
yield return(power);
}
if (!lastEvaluatedKey.Any())
{
break;
}
}
}