public RpcResult CompileSolidity(string contract)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_compileSolidity);
rpcRequest.AddParam(contract);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult;
}
public string Call(Transaction transaction)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_call);
rpcRequest.AddParam(transaction);
rpcRequest.AddParam(BlockTag.Latest.ToJsonMethodName());
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
/// <summary>
/// Unlocks account using password
/// </summary>
/// <param name="account">The account address</param>
/// <param name="password">The password for the account</param>
/// <returns></returns>
public bool UnlockAccount(string account, string password)
{
var rpcRequest = new RpcRequest(RpcMethod.personal_unlockAccount);
rpcRequest.AddParam(account);
rpcRequest.AddParam(password);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
if (rpcResult.Error != null)
{
return false;
}
return rpcResult.Result;
}
/// <summary>
/// Used for submitting a proof-of-work solution.
/// </summary>
/// <param name="nonce">The nonce found(64 bits)</param>
/// <param name="powHash">The header's pow-hash (256 bits)</param>
/// <param name="mix">The mix digest(256 bits)</param>
/// <returns> returns true if the provided solution is valid, otherwise false.</returns>
public bool SubmitWork(string nonce, string powHash, string mix)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_submitWork);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
rpcRequest.AddParam(nonce);
rpcRequest.AddParam(powHash);
rpcRequest.AddParam(mix);
return rpcResult.Result;
}
public string EstimateGas(Transaction transaction)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_estimateGas);
rpcRequest.AddParam(transaction);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
string gas = rpcResult.Result.ToString();
//var estimatedGas = gas.HexToInt();
return gas;
}
/// <summary>
/// Returns the current whisper protocol version.
/// </summary>
/// <returns>The current whisper protocol version</returns>
public string ShhVersion()
{
var rpcRequest = new RpcRequest(RpcMethod.shh_version);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
public string SendTransaction(Transaction transaction)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_sendTransaction);
rpcRequest.AddParam(transaction);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
public string NewPendingTransactionFilter()
{
var rpcRequest = new RpcRequest(RpcMethod.eth_newPendingTransactionFilter);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
public Transaction GetTransactionReceipt(string transactionHash)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_getTransactionReceipt);
rpcRequest.AddParam(transactionHash);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
var json = JsonConvert.SerializeObject(rpcResult.Result);
var tx = JsonConvert.DeserializeObject<Transaction>(json);
return tx;
}
/// <summary>
/// Returns the number of transactions sent from an address.
/// </summary>
/// <param name="address">address</param>
/// <param name="blockTag">Block Param</param>
/// <param name="blockNumber">integer block number,</param>
/// <returns>integer of the number of transactions send from this address.</returns>
public long GetTransactionCount(string address, BlockTag blockTag = BlockTag.Quantity, int blockNumber = -1)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_getTransactionCount);
rpcRequest.AddParam(address);
if (blockTag != BlockTag.Quantity && blockNumber > -1)
{
throw new Exception("Balance tag and block number cannot both be provided, chose either");
}
if (blockTag != BlockTag.Quantity)
{
rpcRequest.AddParam(blockTag.ToJsonMethodName());
}
else
{
rpcRequest.AddParam(blockNumber.ToString());
}
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
var balance = Convert.ToInt64(rpcResult.Result, 16);
return balance;
}
public Transaction GetTransactionByBlockNumberAndIndex(int blockNumber, int index)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_getTransactionByBlockNumberAndIndex);
rpcRequest.AddParam(blockNumber.ToHexString());
rpcRequest.AddParam(index.ToHexString());
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
var json = JsonConvert.SerializeObject(rpcResult.Result);
var tx = JsonConvert.DeserializeObject<Transaction>(json);
return tx;
}
/// <summary>
/// Returns an object object with data about the sync status or FALSE.
/// </summary>
/// <returns></returns>
public SyncStatus GetSyncing()
{
var rpcRequest = new RpcRequest(RpcMethod.eth_syncing);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
if (rpcResult.Result.GetType().FullName != "System.Boolean")
{
var json = JsonConvert.SerializeObject(rpcResult.Result);
SyncStatus syncStatus = JsonConvert.DeserializeObject<SyncStatus>(json);
syncStatus.IsSyncing = true;
return syncStatus;
}
return new SyncStatus() {IsSyncing = false};
}
/// <summary>
/// Returns the current ethereum protocol version.
/// </summary>
/// <returns>The current ethereum protocol version</returns>
public string GetProtocolVersion()
{
var rpcRequest = new RpcRequest(RpcMethod.eth_protocolVersion);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
/// <summary>
/// Returns number of peers currenly connected to the client.
/// </summary>
/// <returns>integer of the number of connected peers.</returns>
public int GetNetPeerCount()
{
var rpcRequest = new RpcRequest(RpcMethod.net_peerCount);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
var peerCount = Convert.ToInt32(rpcResult.Result, 16);
return peerCount;
}
public Block GetUncleByBlockNumberAndIndex(int blockNumber, int index)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_getUncleByBlockNumberAndIndex);
rpcRequest.AddParam(blockNumber.ToHexString());
rpcRequest.AddParam(index.ToHexString());
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
var json = JsonConvert.SerializeObject(rpcResult.Result);
var block = JsonConvert.DeserializeObject<Block>(json);
return block;
}
/// <summary>
/// Creates a filter object, based on filter options, to notify when the state changes (logs). To check if the state has changed, call GetFilterChanges.
/// </summary>
/// <param name="fromBlock">(optional, default: "latest") Integer block number, </param>
/// <param name="toBlock"></param>
/// <param name="address"></param>
/// <param name="topics"></param>
/// <returns></returns>
public string NewFilter(Filter filter)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_newFilter);
rpcRequest.AddParam(filter);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
/// <summary>
/// Returns the number of uncles in a block from a block matching the given block hash.
/// </summary>
/// <param name="hashBlock">hash of a block</param>
/// <returns> integer of the number of uncles in this block.</returns>
public long GetUncleCountByBlockHash(string hashBlock)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_getUncleCountByBlockHash);
rpcRequest.AddParam(hashBlock);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
if (rpcResult.Result == null)
return 0;
var ethBlockNumber = Convert.ToInt64(rpcResult.Result, 16);
return ethBlockNumber;
}
/// <summary>
/// Creates new message call transaction or a contract creation for signed transactions.
/// </summary>
/// <param name="data">The signed transaction data.</param>
/// <returns> the transaction hash, or the zero hash if the transaction is not yet available.</returns>
public string SendRawTransaction(string data)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_sendRawTransaction);
rpcRequest.AddParam(new { data = data });
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
/// <summary>
/// Returns the number of uncles in a block from a block matching the given block number.
/// </summary>
/// <param name="blockNumber">integer of a block number</param>
/// <returns>integer of the number of uncles in this block.</returns>
public long GetUncleCountByBlockNumber(int blockNumber)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_getUncleCountByBlockNumber);
rpcRequest.AddParam(blockNumber.ToHexString());
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
var ethBlockNumber = Convert.ToInt64(rpcResult.Result, 16);
return ethBlockNumber;
}
/// <summary>
/// Creates new message call transaction or a contract creation, if the data field contains code.
/// </summary>
/// <param name="from">The address the transaction is send from.</param>
/// <param name="to">(optional when creating new contract) The address the transaction is directed to.</param>
/// <param name="gas">(optional, default: 90000) Integer of the gas provided for the transaction execution. It will return unused gas.</param>
/// <param name="data">(optional) The compiled code of a contract</param>
/// <param name="gasPrice">(optional, default: To-Be-Determined) Integer of the gasPrice used for each paid gas</param>
/// <param name="value">(optional) Integer of the value send with this transaction</param>
/// <param name="nonce">(optional) Integer of a nonce. This allows to overwrite your own pending transactions that use the same nonce.</param>
/// <returns>the transaction hash, or the zero hash if the transaction is not yet available.</returns>
public string SendTransaction(string from, string to, int gas, string data, int gasPrice = -1, int value = -1, int nonce = -1)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_sendTransaction);
var transactionParams = new Transaction();
transactionParams.To = to;
if (from != null)
transactionParams.From = from;
if (data != null)
transactionParams.Data = data;
if (gas > -1)
transactionParams.Gas = gas.ToHexString();
if (gasPrice > -1)
transactionParams.GasPrice = gas.ToHexString();
if (value > -1)
transactionParams.Value = value.ToHexString();
if (nonce > -1)
transactionParams.Nonce = nonce.ToHexString();
rpcRequest.AddParam(transactionParams);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
/// <summary>
/// Returns the current client version
/// </summary>
/// <returns>The current client version</returns>
public string GetWeb3ClientVersion()
{
var rpcRequest = new RpcRequest(RpcMethod.web3_clientVersion);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
public string ShhPost(string from, string to, string[] topics, string payload, string priority, string ttl)
{
var rpcRequest = new RpcRequest(RpcMethod.shh_post);
var whisper = new Whisper()
{
From = "0x04f96a5e25610293e42a73908e93ccc8c4d4dc0edcfa9fa872f50cb214e08ebf61a03e245533f97284d442460f2998cd41858798ddfd4d661997d3940272b717b1",
To = "0x3e245533f97284d442460f2998cd41858798ddf04f96a5e25610293e42a73908e93ccc8c4d4dc0edcfa9fa872f50cb214e08ebf61a0d4d661997d3940272b717b1",
Payload = "0x7b2274797065223a226d6",
Priority = "0x64",
Ttl = "0x64",
};
rpcRequest.AddParam(whisper);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
/// <summary>
/// Returns Keccak-256 (not the standardized SHA3-256) of the given data.
/// </summary>
/// <param name="value"> the data to convert into a SHA3 hash</param>
/// <returns>The SHA3 result of the given string.</returns>
public string GetWeb3Sha3(string value)
{
var rpcRequest = new RpcRequest(RpcMethod.web3_sha3);
rpcRequest.AddParam(value);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
/// <summary>
/// Signs data with a given address.
/// </summary>
/// <param name="address">address</param>
/// <param name="data">Data to sign</param>
/// <returns>Signed data</returns>
public string Sign(string address, string data)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_sign);
rpcRequest.AddParam(address);
rpcRequest.AddParam(data);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
public Work GetWork()
{
var rpcRequest = new RpcRequest(RpcMethod.eth_getWork);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
var list = new List<string>();
foreach (var account in rpcResult.Result)
{
list.Add(account.ToString());
}
var work = new Work()
{
BlockHeaderPowHash = list[0],
SeedHash = list[1],
Target = list[2]
};
return work;
}
/// <summary>
/// Used for submitting mining hashrate.
/// </summary>
/// <param name="hashRate">a hexadecimal string representation (32 bytes) of the hash rate</param>
/// <param name="clientId">A random hexadecimal(32 bytes) ID identifying the client</param>
/// <returns></returns>
public bool SubmitHashrate(string hashRate, string clientId)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_submitHashrate);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
rpcRequest.AddParam(hashRate);
rpcRequest.AddParam(clientId);
return rpcResult.Result;
}
public string NewAccount(string password)
{
var rpcRequest = new RpcRequest(RpcMethod.personal_newAccount);
rpcRequest.AddParam(password);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
public bool UninstallFilter(string filterId)
{
var rpcRequest = new RpcRequest(RpcMethod.eth_uninstallFilter);
rpcRequest.AddParam(filterId);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
public string NewBlockFilter()
{
var rpcRequest = new RpcRequest(RpcMethod.eth_newBlockFilter);
var rpcResult = new RpcConnector().MakeRequest(rpcRequest);
return rpcResult.Result;
}
public RpcResult MakeRequest(RpcRequest rpcRequest)
{
if(ConnectionOptions==null)
throw new Exception("ConnectionOptions property hasnt been set");
if(!ConnectionOptions.IsUrlValid)
throw new EthereumRpcException(string.Format("Specified address '{0}:{1}' is not valid", ConnectionOptions.Url, ConnectionOptions.Port));
var webRequest = (HttpWebRequest)WebRequest.Create(ConnectionOptions.FullUrl);
if (ConnectionOptions.NetworkCredential != null)
{
//SetBasicAuthHeader(webRequest, _coinService.Parameters.RpcUsername, _coinService.Parameters.RpcPassword);
webRequest.Credentials = ConnectionOptions.NetworkCredential;
}
webRequest.ContentType = "application/json-rpc";
webRequest.Method = "POST";
webRequest.Proxy = ConnectionOptions.Proxy;
webRequest.Timeout = ConnectionOptions.TimeOut;
var data = rpcRequest.ToJson();
var byteArray = Encoding.UTF8.GetBytes(data);
webRequest.ContentLength = byteArray.Length;
try
{
using (var dataStream = webRequest.GetRequestStream())
{
dataStream.Write(byteArray, 0, byteArray.Length);
dataStream.Dispose();
}
}
catch (WebException exception)
{
throw new EthereumRpcException(string.Format("Could not connect to ethereum on network address {0}:{1}. Check Ethereum is running and the correct port is specified (8545 for live)", ConnectionOptions.Url, ConnectionOptions.Port));
}
catch (Exception exception)
{
throw exception;
//throw new RpcException("There was a problem sending the request to the wallet", exception);
}
try
{
String json;
using (var webResponse = webRequest.GetResponse())
{
using (var stream = webResponse.GetResponseStream())
{
using (var reader = new StreamReader(stream))
{
var result = reader.ReadToEnd();
reader.Dispose();
json = result;
}
}
}
var rpcResult = JsonConvert.DeserializeObject<RpcResult>(json);
return rpcResult;
}
catch (WebException webException)
{
throw new EthereumRpcException(string.Format("Ethereum returned unknown response"));
}
return null;
}
public RpcResult MakeRequest(RpcRequest rpcRequest)
{
if (ConnectionOptions == null)
{
throw new Exception("ConnectionOptions property hasnt been set");
}
if (!ConnectionOptions.IsUrlValid)
{
throw new EthereumRpcException(string.Format("Specified address '{0}:{1}' is not valid", ConnectionOptions.Url, ConnectionOptions.Port));
}
var webRequest = (HttpWebRequest)WebRequest.Create(ConnectionOptions.FullUrl);
if (ConnectionOptions.NetworkCredential != null)
{
//SetBasicAuthHeader(webRequest, _coinService.Parameters.RpcUsername, _coinService.Parameters.RpcPassword);
webRequest.Credentials = ConnectionOptions.NetworkCredential;
}
webRequest.ContentType = "application/json-rpc";
webRequest.Method = "POST";
webRequest.Proxy = ConnectionOptions.Proxy;
webRequest.Timeout = ConnectionOptions.TimeOut;
var data = rpcRequest.ToJson();
var byteArray = Encoding.UTF8.GetBytes(data);
webRequest.ContentLength = byteArray.Length;
try
{
using (var dataStream = webRequest.GetRequestStream())
{
dataStream.Write(byteArray, 0, byteArray.Length);
dataStream.Dispose();
}
}
catch (WebException exception)
{
throw new EthereumRpcException(string.Format("Could not connect to ethereum on network address {0}:{1}. Check Ethereum is running and the correct port is specified (8545 for live)", ConnectionOptions.Url, ConnectionOptions.Port));
}
catch (Exception exception)
{
throw exception;
//throw new RpcException("There was a problem sending the request to the wallet", exception);
}
try
{
String json;
using (var webResponse = webRequest.GetResponse())
{
using (var stream = webResponse.GetResponseStream())
{
using (var reader = new StreamReader(stream))
{
var result = reader.ReadToEnd();
reader.Dispose();
json = result;
}
}
}
var rpcResult = JsonConvert.DeserializeObject <RpcResult>(json);
return(rpcResult);
}
catch (WebException webException)
{
throw new EthereumRpcException(string.Format("Ethereum returned unknown response"));
}
return(null);
}
