// This method will check all blocks for new Events.
private async Task <Dictionary <string, ChangeRequest> > checkCREvents(string contractAdress)
{
ChangeManagerService changeManagerService = new ChangeManagerService(new Web3(), contractAddress);
Event newVoteEventLog = changeManagerService.ContractHandler.GetEvent <NewVoteEventDTO>();
Event newChangeRequestEventLog = changeManagerService.ContractHandler.GetEvent <NewChangeRequestEventDTO>();
Dictionary <string, ChangeRequest> result = new Dictionary <string, ChangeRequest>();
BlockParameter firstBlock = BlockParameter.CreateEarliest();
BlockParameter lastBlock = BlockParameter.CreateLatest();
NewFilterInput filterCR = newChangeRequestEventLog.CreateFilterInput(firstBlock, lastBlock);
NewFilterInput filterVote = newVoteEventLog.CreateFilterInput(firstBlock, lastBlock);
List <EventLog <NewChangeRequestEventDTO> > logCR = await newChangeRequestEventLog.GetAllChanges <NewChangeRequestEventDTO>(filterCR);
List <EventLog <NewVoteEventDTO> > logVote = await newVoteEventLog.GetAllChanges <NewVoteEventDTO>(filterVote);
// Get confirmation for CR creation. Then add CR to table and combobox for management vote.
Debug.WriteLine("Checking for CR Events: " + logCR.Count);
foreach (EventLog <NewChangeRequestEventDTO> cr in logCR)
{
ChangeRequest changeRequest;
String gitHash = Converter.ByteArrayToBinHex(cr.Event.GitHash);
HexBigInteger blocknumber = cr.Log.BlockNumber;
Block block = await web3.Eth.Blocks.GetBlockWithTransactionsHashesByNumber.SendRequestAsync(blocknumber);
if (result.ContainsKey(gitHash))
{
changeRequest = result[gitHash];
}
else
{
changeRequest = new ChangeRequest(this.contractAddress);
result.Add(gitHash, changeRequest);
}
changeRequest.updateChangeRequest(gitHash, cr.Event.AdditionalInformation, cr.Event.Costs, cr.Event.Estimation, block.Timestamp.Value);
}
// Get vote confirmation. Then update State of the vote.
Debug.WriteLine("Checking for Vote Events: " + logVote.Count);
foreach (EventLog <NewVoteEventDTO> vote in logVote)
{
String gitHash = Converter.ByteArrayToBinHex(vote.Event.GitHash);
ChangeRequest changeRequest = result[gitHash];
HexBigInteger blocknumber = vote.Log.BlockNumber;
Block block = await web3.Eth.Blocks.GetBlockWithTransactionsHashesByNumber.SendRequestAsync(blocknumber);
if (!changeRequest.votes.ContainsKey(vote.Event.Voter))
{
changeRequest.updateVotes((State)vote.Event.CurrentState, vote.Event.VoteInfo, vote.Event.VotesLeft, vote.Event.Voter, vote.Event.Vote, block.Timestamp.Value);
}
}
return(result);
}
// This method only checks the yet unchecked blocks for new Events and updates the CR and vote tables.
private async void checkEventsAndUpdateTable(object sender, EventArgs e)
{
lastBlock = BlockParameter.CreateLatest();
NewFilterInput filterCR = newChangeRequestEventLog.CreateFilterInput(firstBlock, lastBlock);
NewFilterInput filterVote = newVoteEventLog.CreateFilterInput(firstBlock, lastBlock);
firstBlock = lastBlock;
List <EventLog <NewChangeRequestEventDTO> > logCR = await newChangeRequestEventLog.GetAllChanges <NewChangeRequestEventDTO>(filterCR);
List <EventLog <NewVoteEventDTO> > logVote = await newVoteEventLog.GetAllChanges <NewVoteEventDTO>(filterVote);
// Get confirmation for CR creation. Then add CR to table and combobox for management vote.
Debug.WriteLine("Checking for CR Events: " + logCR.Count);
foreach (EventLog <NewChangeRequestEventDTO> cr in logCR)
{
ChangeRequest changeRequest;
String gitHash = Converter.ByteArrayToBinHex(cr.Event.GitHash);
HexBigInteger blocknumber = cr.Log.BlockNumber;
Block block = await web3.Eth.Blocks.GetBlockWithTransactionsHashesByNumber.SendRequestAsync(blocknumber);
if (changeRequests.ContainsKey(gitHash))
{
changeRequest = changeRequests[gitHash];
}
else
{
changeRequest = new ChangeRequest(this.contractAddress);
changeRequests.Add(gitHash, changeRequest);
}
changeRequest.updateChangeRequest(gitHash, cr.Event.AdditionalInformation, cr.Event.Costs, cr.Event.Estimation, block.Timestamp.Value);
}
// Get vote confirmation. Then update State of the vote.
Debug.WriteLine("Checking for Vote Events: " + logVote.Count);
foreach (EventLog <NewVoteEventDTO> vote in logVote)
{
String gitHash = Converter.ByteArrayToBinHex(vote.Event.GitHash);
ChangeRequest changeRequest = changeRequests[gitHash];
HexBigInteger blocknumber = vote.Log.BlockNumber;
Block block = await web3.Eth.Blocks.GetBlockWithTransactionsHashesByNumber.SendRequestAsync(blocknumber);
if (!changeRequest.votes.ContainsKey(vote.Event.Voter))
{
changeRequest.updateVotes((State)vote.Event.CurrentState, vote.Event.VoteInfo, vote.Event.VotesLeft, vote.Event.Voter, vote.Event.Vote, block.Timestamp.Value);
}
}
updateVoteTableAndTabs();
this.changeRequestsTable.ItemsSource = changeRequests.Values.ToList();
}