public ResultWrapper <IEnumerable <FilterLog> > eth_getLogs(Filter filter)
{
IEnumerable <FilterLog> GetLogs(BlockParameter blockParameter, BlockParameter toBlockParameter, CancellationTokenSource cancellationTokenSource, CancellationToken token)
{
using (cancellationTokenSource)
{
foreach (FilterLog log in _blockchainBridge.GetLogs(blockParameter, toBlockParameter, filter.Address, filter.Topics, token))
{
yield return(log);
}
}
}
BlockParameter fromBlock = filter.FromBlock;
BlockParameter toBlock = filter.ToBlock;
try
{
CancellationTokenSource cancellationTokenSource = new CancellationTokenSource(_cancellationTokenTimeout);
return(ResultWrapper <IEnumerable <FilterLog> > .Success(GetLogs(fromBlock, toBlock, cancellationTokenSource, cancellationTokenSource.Token)));
}
catch (ArgumentException e)
{
switch (e.Message)
{
case ILogFinder.NotFoundError: return(ResultWrapper <IEnumerable <FilterLog> > .Fail(e.Message, ErrorCodes.ResourceNotFound));
default:
return(ResultWrapper <IEnumerable <FilterLog> > .Fail(e.Message, ErrorCodes.InvalidParams));
}
}
}
public ResultWrapper <IEnumerable <FilterLog> > eth_getLogs(Filter filter)
{
var fromBlock = MapFilterBlock(filter.FromBlock);
var toBlock = MapFilterBlock(filter.ToBlock);
return(ResultWrapper <IEnumerable <FilterLog> > .Success(_blockchainBridge.GetLogs(fromBlock, toBlock,
filter.Address,
filter.Topics)));
}
public void Eth_get_logs(string parameter)
{
IBlockchainBridge bridge = Substitute.For <IBlockchainBridge>();
bridge.GetLogs(Arg.Any <FilterBlock>(), Arg.Any <FilterBlock>(), Arg.Any <object>(), Arg.Any <IEnumerable <object> >()).Returns(new[] { new FilterLog(1, 0, 1, TestItem.KeccakA, 1, TestItem.KeccakB, TestItem.AddressA, new byte[] { 1, 2, 3 }, new[] { TestItem.KeccakC, TestItem.KeccakD }) });
bridge.FilterExists(1).Returns(true);
IEthModule module = new EthModule(NullLogManager.Instance, bridge);
string serialized = RpcTest.TestSerializedRequest(EthModuleFactory.Converters, module, "eth_getLogs", parameter);
Assert.AreEqual("{\"id\":67,\"jsonrpc\":\"2.0\",\"result\":[{\"address\":\"0xb7705ae4c6f81b66cdb323c65f4e8133690fc099\",\"blockHash\":\"0x03783fac2efed8fbc9ad443e592ee30e61d65f471140c10ca155e937b435b760\",\"blockNumber\":\"0x1\",\"data\":\"0x010203\",\"logIndex\":\"0x1\",\"removed\":false,\"topics\":[\"0x017e667f4b8c174291d1543c466717566e206df1bfd6f30271055ddafdb18f72\",\"0x6c3fd336b49dcb1c57dd4fbeaf5f898320b0da06a5ef64e798c6497600bb79f2\"],\"transactionHash\":\"0x1f675bff07515f5df96737194ea945c36c41e7b4fcef307b7cd4d0e602a69111\",\"transactionIndex\":\"0x1\",\"transactionLogIndex\":\"0x0\"}]}", serialized);
}
public ResultWrapper <IEnumerable <FilterLog> > eth_getLogs(Filter filter)
{
IEnumerable <FilterLog> GetLogs(BlockParameter blockParameter, BlockParameter toBlockParameter,
CancellationTokenSource cancellationTokenSource, CancellationToken token)
{
using (cancellationTokenSource)
{
foreach (FilterLog log in _blockchainBridge.GetLogs(blockParameter, toBlockParameter,
filter.Address, filter.Topics, token))
{
yield return(log);
}
}
}
// because of lazy evaluation of enumerable, we need to do the validation here first
CancellationTokenSource cancellationTokenSource = new(_rpcConfig.Timeout);
CancellationToken cancellationToken = cancellationTokenSource.Token;
SearchResult <BlockHeader> toBlockResult = _blockFinder.SearchForHeader(filter.ToBlock);
if (toBlockResult.IsError)
{
cancellationTokenSource.Dispose();
return(ResultWrapper <IEnumerable <FilterLog> > .Fail(toBlockResult));
}
cancellationToken.ThrowIfCancellationRequested();
SearchResult <BlockHeader> fromBlockResult = _blockFinder.SearchForHeader(filter.FromBlock);
if (fromBlockResult.IsError)
{
cancellationTokenSource.Dispose();
return(ResultWrapper <IEnumerable <FilterLog> > .Fail(fromBlockResult));
}
cancellationToken.ThrowIfCancellationRequested();
long fromBlockNumber = fromBlockResult.Object !.Number;
long toBlockNumber = toBlockResult.Object !.Number;
if (fromBlockNumber > toBlockNumber && toBlockNumber != 0)
{
cancellationTokenSource.Dispose();
return(ResultWrapper <IEnumerable <FilterLog> > .Fail($"'From' block '{fromBlockNumber}' is later than 'to' block '{toBlockNumber}'.", ErrorCodes.InvalidParams));
}
return(ResultWrapper <IEnumerable <FilterLog> > .Success(GetLogs(filter.FromBlock, filter.ToBlock,
cancellationTokenSource, cancellationToken)));
}
public ResultWrapper <IEnumerable <FilterLog> > eth_getLogs(Filter filter)
{
BlockParameter fromBlock = filter.FromBlock;
BlockParameter toBlock = filter.ToBlock;
try
{
return(ResultWrapper <IEnumerable <FilterLog> > .Success(_blockchainBridge.GetLogs(fromBlock, toBlock, filter.Address, filter.Topics)));
}
catch (ArgumentException e)
{
switch (e.Message)
{
case ILogFinder.NotFoundError: return(ResultWrapper <IEnumerable <FilterLog> > .Fail(e.Message, ErrorCodes.ResourceNotFound));
default:
return(ResultWrapper <IEnumerable <FilterLog> > .Fail(e.Message, ErrorCodes.InvalidParams));
}
}
}
