public async Task<dynamic> ExecuteTestAsync(RpcClient client)
{
//The compiled solidity contract to be deployed
//contract test { function multiply(uint a) returns(uint d) { return a * 7; } }
var contractByteCode = "0x606060405260728060106000396000f360606040526000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa1146037576035565b005b604b60048080359060200190919050506061565b6040518082815260200191505060405180910390f35b6000600782029050606d565b91905056";
//Create a new Eth Send Transanction RPC Handler
var ethSendTransation = new EthSendTransaction(client);
//As the input the compiled contract is the Data, together with our address
var transactionInput = new TransactionInput();
transactionInput.Data = contractByteCode;
transactionInput.From = "0x12890d2cce102216644c59dae5baed380d84830c";
// retrieve the hash
var transactionHash = await ethSendTransation.SendRequestAsync( transactionInput);
//the contract should be mining now
//get contract address
var ethGetTransactionReceipt = new EthGetTransactionReceipt(client);
TransactionReceipt receipt = null;
//wait for the contract to be mined to the address
while (receipt == null)
{
receipt = await ethGetTransactionReceipt.SendRequestAsync( transactionHash);
}
//Encode and build function parameters
var function = new FunctionCallEncoder();
//Input the function method Sha3Encoded (4 bytes)
var sha3Signature = "c6888fa1";
//Define input parameters
var inputParameters = new[] { new Parameter("uint", "a") };
//encode the function call (function + parameter input)
//using 69 as the input
var functionCall = function.EncodeRequest(sha3Signature, inputParameters, 69);
//reuse the transaction input, (just the address)
//the destination address is the contract address
transactionInput.To = receipt.ContractAddress;
//use as data the function call
transactionInput.Data = functionCall;
// rpc method to do the call
var ethCall = new EthCall(client);
// call and get the result
var resultFunction = await ethCall.SendRequestAsync( transactionInput);
// decode the output
var functionDecoder = new FunctionCallDecoder();
var output = functionDecoder.DecodeOutput<int>(resultFunction, new Parameter("uint", "d"));
//visual test
return "The result of deploying a contract and calling a function to multiply 7 by 69 is: " + output + " and should be 483";
}
public EthTransactionsService(IClient client) : base(client)
{
Call = new EthCall(client);
EstimateGas = new EthEstimateGas(client);
GetTransactionByBlockHashAndIndex = new EthGetTransactionByBlockHashAndIndex(client);
GetTransactionByBlockNumberAndIndex = new EthGetTransactionByBlockNumberAndIndex(client);
GetTransactionByHash = new EthGetTransactionByHash(client);
GetTransactionCount = new EthGetTransactionCount(client);
GetTransactionReceipt = new EthGetTransactionReceipt(client);
SendRawTransaction = new EthSendRawTransaction(client);
SendTransaction = new EthSendTransaction(client);
}
public async Task <TransactionReceipt> PollForReceiptAsync(string transaction, CancellationTokenSource tokenSource = null)
{
var getTransactionReceipt = new EthGetTransactionReceipt(_transactionManager.Client);
var receipt = await getTransactionReceipt.SendRequestAsync(transaction).ConfigureAwait(false);
while (receipt == null)
{
await Task.Delay(_retryMiliseconds);
tokenSource?.Token.ThrowIfCancellationRequested();
receipt = await getTransactionReceipt.SendRequestAsync(transaction).ConfigureAwait(false);
}
return(receipt);
}
/// <summary>
/// Get Receipt Proof
/// </summary>
/// <param name="transactionId"></param>
/// <returns></returns>
public async Task <TransactionReceiptResponse> GetReceiptProof(string transactionId)
{
if (!String.IsNullOrEmpty(SyncerUrl))
{
try
{
HttpClient client = new HttpClient();
client.BaseAddress = new Uri(SyncerUrl);
HttpResponseMessage response = await client.GetAsync($"tx/{transactionId}/receipt/proof");
if (response.StatusCode == HttpStatusCode.OK)
{
string contentString = await response.Content.ReadAsStringAsync();
TransactionReceiptResponse receiptProofResponse = JsonConvert.DeserializeObject <TransactionReceiptResponse>(contentString);
return(receiptProofResponse);
}
}
catch (Exception ex)
{
throw new Exception($"Could not fetch the Receipt Proof from the syncer URL because {ex.Message}");
}
}
else
{
try
{
EthGetTransactionReceipt transactionByHash = ParentWeb3.Eth.Transactions.GetTransactionReceipt;
TransactionReceipt tx = await transactionByHash.SendRequestAsync(transactionId);
TransactionReceiptResponse transactionReceiptResponse = new TransactionReceiptResponse()
{
Value = tx
};
return(transactionReceiptResponse);
}
catch (Exception ex)
{
throw new Exception($"Could not fetch te receipt proof because {ex.Message}");
}
}
return(null);
}
/// <summary>
/// Continuously checks the transaction receipt until it is found, and calls the respective event.
/// </summary>
/// <param name="sender"> Sender object. </param>
/// <param name="eventArgs"> Timer event arguments. </param>
private async void CheckTransactionReceipt(object sender, ElapsedEventArgs eventArgs)
{
EthGetTransactionReceipt ethGetTransactionReceipt = new EthGetTransactionReceipt(NetworkProvider.GetWeb3().Client);
TransactionReceipt receipt = await ethGetTransactionReceipt.SendRequestAsync(txHash);
if (receipt == null)
{
return;
}
if (receipt.HasErrors() == true || receipt.Status.Value == 0)
{
OnTransactionFail?.Invoke();
}
else
{
OnTransactionSuccess?.Invoke();
}
timer.Stop();
}
public async Task <object> ExecuteTestAsync(IClient client)
{
/* This is the example contract containing an event raised every time we call multiply
* contract test {
*
* event Multiplied(uint indexed a, address sender);
*
* function multiply(uint a) returns(uint d)
* {
* Multiplied(a, msg.sender);
* return a * 7;
*
* }
*
* }*/
//The contract byte code already compiled
var contractByteCode =
"606060405260c08060106000396000f360606040526000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa1146037576035565b005b604b60048080359060200190919050506061565b6040518082815260200191505060405180910390f35b6000817f10f82b5dc139f3677a16d7bfb70c65252e78143313768d2c52e07db775e1c7ab33604051808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390a260078202905060bb565b91905056";
//Create a new Eth Send Transanction RPC Handler
var ethSendTransation = new EthSendTransaction(client);
//Create the transaction input for the new contract
//On transaction input the compiled contract is the Data, together with our sender address
var transactionInput = new TransactionInput();
transactionInput.Data = contractByteCode;
transactionInput.From = "0x12890d2cce102216644c59dae5baed380d84830c";
// retrieve the transaction hash, as we need to get a transaction sreceipt with the contract address
var transactionHash = await ethSendTransation.SendRequestAsync(transactionInput);
//the contract should be mining now
//Get the transaction receipt using the transactionHash
var ethGetTransactionReceipt = new EthGetTransactionReceipt(client);
TransactionReceipt receipt = null;
//wait for the contract to be mined to the address
while (receipt == null)
{
receipt = await ethGetTransactionReceipt.SendRequestAsync(transactionHash);
}
//sha3 the event call, we can use this to validate our topics
var eventCallSh3 = await new Web3Sha3(client).SendRequestAsync(new HexUTF8String("Multiplied(uint256,address)"));
//create a filter
//just listen to anything no more filter topics (ie int indexed number)
var ethFilterInput = new NewFilterInput();
ethFilterInput.FromBlock.SetValue(receipt.BlockNumber);
ethFilterInput.ToBlock = BlockParameter.CreateLatest();
ethFilterInput.Address = new[] { receipt.ContractAddress };
//no topics
//ethFilterInput.Topics = new object[]{};
var newEthFilter = new EthNewFilter(client);
var filterId = await newEthFilter.SendRequestAsync(ethFilterInput);
//create a transaction which will raise the event
await SendTransaction(client, transactionInput.From, receipt.ContractAddress);
//get filter changes
var ethGetFilterChangesForEthNewFilter = new EthGetFilterChangesForEthNewFilter(client);
FilterLog[] logs = null;
while (logs == null || logs.Length < 1)
{
//Get the filter changes logs
logs = await ethGetFilterChangesForEthNewFilter.SendRequestAsync(filterId);
if (logs.Length > 0)
{
var sb = new StringBuilder();
sb.AppendLine("Topic 0: " + logs[0].Topics[0] +
" should be the same as the SH3 encoded event signature " + eventCallSh3);
Assert.Equal(logs[0].Topics[0], eventCallSh3);
sb.AppendLine("Topic 1: " + logs[0].Topics[1] + " should be 69 hex 0x45, padded");
sb.AppendLine("Data " + logs[0].Data + " should be the same as the address padded 32 bytes " +
transactionInput.From);
return(sb.ToString());
}
}
throw new Exception("Execution failed");
}
public async Task <object> ExecuteTestAsync(IClient client)
{
//The compiled solidity contract to be deployed
//contract test { function multiply(uint a) returns(uint d) { return a * 7; } }
var contractByteCode =
"0x606060405260728060106000396000f360606040526000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa1146037576035565b005b604b60048080359060200190919050506061565b6040518082815260200191505060405180910390f35b6000600782029050606d565b91905056";
//Create a new Eth Send Transanction RPC Handler
var ethSendTransation = new EthSendTransaction(client);
//As the input the compiled contract is the Data, together with our address
var transactionInput = new TransactionInput();
transactionInput.Data = contractByteCode;
transactionInput.From = "0x12890d2cce102216644c59dae5baed380d84830c";
// retrieve the hash
var transactionHash = await ethSendTransation.SendRequestAsync(transactionInput);
//the contract should be mining now
//get contract address
var ethGetTransactionReceipt = new EthGetTransactionReceipt(client);
TransactionReceipt receipt = null;
//wait for the contract to be mined to the address
while (receipt == null)
{
receipt = await ethGetTransactionReceipt.SendRequestAsync(transactionHash);
}
//Encode and build function parameters
var function = new FunctionCallEncoder();
//Input the function method Sha3Encoded (4 bytes)
var sha3Signature = "c6888fa1";
//Define input parameters
var inputParameters = new[] { new Parameter("uint", "a") };
//encode the function call (function + parameter input)
//using 69 as the input
var functionCall = function.EncodeRequest(sha3Signature, inputParameters, 69);
//reuse the transaction input, (just the address)
//the destination address is the contract address
transactionInput.To = receipt.ContractAddress;
//use as data the function call
transactionInput.Data = functionCall;
// rpc method to do the call
var ethCall = new EthCall(client);
// call and get the result
var resultFunction = await ethCall.SendRequestAsync(transactionInput);
// decode the output
var functionDecoder = new FunctionCallDecoder();
var output = functionDecoder.DecodeOutput <int>(resultFunction, new Parameter("uint", "d"));
var message = "The result of deploying a contract and calling a function to multiply 7 by 69 is: " + output +
" and should be 483";
Assert.Equal(483, output);
return(message);
}
public async Task<object> ExecuteTestAsync(IClient client)
{
/* This is the example contract containing an event raised every time we call multiply
contract test {
event Multiplied(uint indexed a, address sender);
function multiply(uint a) returns(uint d)
{
Multiplied(a, msg.sender);
return a * 7;
}
}*/
//The contract byte code already compiled
var contractByteCode =
"606060405260c08060106000396000f360606040526000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa1146037576035565b005b604b60048080359060200190919050506061565b6040518082815260200191505060405180910390f35b6000817f10f82b5dc139f3677a16d7bfb70c65252e78143313768d2c52e07db775e1c7ab33604051808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390a260078202905060bb565b91905056";
//Create a new Eth Send Transanction RPC Handler
var ethSendTransation = new EthSendTransaction(client);
//Create the transaction input for the new contract
//On transaction input the compiled contract is the Data, together with our sender address
var transactionInput = new TransactionInput();
transactionInput.Data = contractByteCode;
transactionInput.From = "0x12890d2cce102216644c59dae5baed380d84830c";
// retrieve the transaction hash, as we need to get a transaction sreceipt with the contract address
var transactionHash = await ethSendTransation.SendRequestAsync(transactionInput);
//the contract should be mining now
//Get the transaction receipt using the transactionHash
var ethGetTransactionReceipt = new EthGetTransactionReceipt(client);
TransactionReceipt receipt = null;
//wait for the contract to be mined to the address
while (receipt == null)
{
receipt = await ethGetTransactionReceipt.SendRequestAsync(transactionHash);
}
//sha3 the event call, we can use this to validate our topics
var eventCallSh3 = await new Web3Sha3(client).SendRequestAsync(new HexUTF8String("Multiplied(uint256,address)"));
//create a filter
//just listen to anything no more filter topics (ie int indexed number)
var ethFilterInput = new NewFilterInput();
ethFilterInput.FromBlock.SetValue(receipt.BlockNumber);
ethFilterInput.ToBlock = BlockParameter.CreateLatest();
ethFilterInput.Address = new[] {receipt.ContractAddress};
//no topics
//ethFilterInput.Topics = new object[]{};
var newEthFilter = new EthNewFilter(client);
var filterId = await newEthFilter.SendRequestAsync(ethFilterInput);
//create a transaction which will raise the event
await SendTransaction(client, transactionInput.From, receipt.ContractAddress);
//get filter changes
var ethGetFilterChangesForEthNewFilter = new EthGetFilterChangesForEthNewFilter(client);
FilterLog[] logs = null;
while (logs == null || logs.Length < 1)
{
//Get the filter changes logs
logs = await ethGetFilterChangesForEthNewFilter.SendRequestAsync(filterId);
if (logs.Length > 0)
{
var sb = new StringBuilder();
sb.AppendLine("Topic 0: " + logs[0].Topics[0] +
" should be the same as the SH3 encoded event signature " + eventCallSh3);
Assert.Equal(logs[0].Topics[0], eventCallSh3);
sb.AppendLine("Topic 1: " + logs[0].Topics[1] + " should be 69 hex 0x45, padded");
sb.AppendLine("Data " + logs[0].Data + " should be the same as the address padded 32 bytes " +
transactionInput.From);
return sb.ToString();
}
}
throw new Exception("Execution failed");
}
public async Task <string> WithdrawLocally(string transactionId, MaticTransactionOptions options)
{
EthGetTransactionByHash ethGetTransactionByHash = web3.Eth.Transactions.GetTransactionByHash;
Transaction withdrawTransaction = await ethGetTransactionByHash.SendRequestAsync(transactionId);
EthGetTransactionReceipt ethGetTransactionReceipt = web3.Eth.Transactions.GetTransactionReceipt;
TransactionReceipt withdrawReceipt = await ethGetTransactionReceipt.SendRequestAsync(transactionId);
EthGetBlockWithTransactionsByNumber ethGetBlockWithTransactionsByNumber = web3.Eth.Blocks.GetBlockWithTransactionsByNumber;
BlockWithTransactions withdrawBlock = await ethGetBlockWithTransactionsByNumber.SendRequestAsync(withdrawReceipt.BlockNumber);
//Draft Withdraw Object
DraftWithdrawObject withdrawObject = new DraftWithdrawObject()
{
TxId = transactionId,
Block = withdrawBlock,
Tx = withdrawTransaction,
Receipt = withdrawReceipt
};
//Get Transaction Proof
TransactionProofResponse transactionProof = await GetTxProof(withdrawObject.Tx, withdrawObject.Block);
//Get Receipt Proof
TransactionProofResponse receiptProof = await GetReceiptProof(withdrawObject.Receipt, withdrawObject.Block, web3);
//Get Current Header Block
HexBigInteger currentHeaderBlock = await maticRootChainContract.CurrenctHeaderBlock();
//Get the Header
Header header = await maticRootChainContract.HeaderBlock(new HexBigInteger(currentHeaderBlock.Value - 1));
HexBigInteger headerNumber = new HexBigInteger(currentHeaderBlock.Value - 1);
int start = header.Start;
int end = header.End;
Header headers = await GetHeaders(start, end, web3);
MerkleTree tree = new MerkleTree(headers);
string blockHeader = GetBlockHeader(withdrawObject.Block);
string headerProof = await tree.GetProof(blockHeader);
WithdrawBurntTokensModel withdrawBurntTokensModel = new WithdrawBurntTokensModel()
{
HeaderNumber = headerNumber,
HeaderProof = "",
BlockNumber = withdrawObject.Block.Number,
BlockTimeStamp = withdrawObject.Block.Timestamp,
TxRoot = withdrawObject.Block.TransactionsRoot,
ReceiptRoot = withdrawObject.Block.ReceiptsRoot,
Path = receiptProof.Path,
TxBytes = withdrawObject.Tx.ToString(),
TxProof = transactionProof.ParentNodes,
ReceiptBytes = withdrawObject.Receipt.ToString(),
ReceiptProof = receiptProof.ParentNodes
};
string withdrawTxObject = await maticWithrawalManagerContract.WithdrawBurntTokens(withdrawBurntTokensModel, options);
return(withdrawTxObject);
}
