| public static ByteArrayToHex ( byte ba ) : string | ||
| ba | byte | |
| return | string | |
/// <summary>
/// Returns the data of an entry.
/// </summary>
/// <param name="entryHash">Entryhash of entry</param>
/// <returns>The entry data</returns>
public static DataStructs.EntryData GetEntryData(byte[] entryHash)
{
var req = new RestRequest("/entry-by-hash/{hash}", Method.GET);
req.AddUrlSegment("hash", Arrays.ByteArrayToHex(entryHash));
var resp = StaticValues.clientWallet.Execute(req);
var entryType = JsonConvert.DeserializeObject <DataStructs.EntryDataStringFormat>(resp.Content);
return(DataStructs.ConvertStringFormatToByteFormat(entryType));
}
/// <summary>
/// Returns an EntryBlock
/// </summary>
/// <param name="hash">String of KeyMr</param>
/// <returns>EntryBlockData</returns>
public static DataStructs.EntryBlockData GetEntryBlockByKeyMR(byte[] keyMR)
{
var req = new RestRequest("/entry-block-by-keymr/{hash}", Method.GET);
var keyMRString = Arrays.ByteArrayToHex(keyMR);
req.AddUrlSegment("hash", keyMRString);
var resp = StaticValues.clientWallet.Execute(req);
if (resp.Content == "EBlock not found")
{
throw new FactomEntryException("EBlock not Found, Zerohash looked up");
}
var entryBlock = JsonConvert.DeserializeObject <DataStructs.EntryBlockDataStringFormat>(resp.Content);
return(DataStructs.ConvertStringFormatToByteFormat(entryBlock));
}
/// <summary>
/// Commits an entry to the Factom blockchain. Must wait 10 seconds if succeeds then call RevealEntry
/// </summary>
/// <param name="entry">Entry to be committed</param>
/// <param name="name">Name of entry credit wallet</param>
/// <returns>ChainID of commited Entry</returns>
public static byte[] CommitEntry(DataStructs.EntryData entry, string name)
{
var byteList = new List <byte>();
// 1 byte version
byteList.Add(0);
// 6 byte milliTimestamp (truncated unix time)
byteList.AddRange(Times.MilliTime());
// 32 byte Entry Hash
byteList.AddRange(Entries.HashEntry(entry));
// 1 byte number of entry credits to pay
var cost = EntryCost(entry); // TODO: check errors
byteList.Add(BitConverter.GetBytes(cost)[0]);
var com = new WallerCommit();
com.Message = Arrays.ByteArrayToHex(byteList.ToArray()); //Hex encoded string on bytelist
var json = JsonConvert.SerializeObject(com);
Console.WriteLine("CE Json = " + json); //TODO: Remove
var req = new RestRequest("/commit-entry/{name}", Method.POST);
req.RequestFormat = DataFormat.Json;
req.AddParameter("application/json", json, ParameterType.RequestBody);
req.AddUrlSegment("name", name);
var resp = StaticValues.clientD.Execute(req);
if (resp.StatusCode != HttpStatusCode.OK)
{
throw new FactomEntryException("Entry Commit Failed. Message: " + resp.ErrorMessage);
}
//Console.WriteLine("CommitEntry Resp = " + resp.StatusCode + "|" + resp.StatusCode);
if (entry.ExtIDs != null)
{
return(Entries.ChainIdOfFirstEntry(entry));
}
return(entry.ChainId);
}
/// <summary>
/// Takes in an entry chain hash and returns Key MR of the first entry. Can be used to
/// get all the entries
/// </summary>
/// <param name="hash">ChainID of chain</param>
/// <returns>KeyMR of first entry (last in list)</returns>
public static DataStructs.ChainHeadData GetChainHead(byte[] hash)
{
var hashString = Arrays.ByteArrayToHex(hash);
var req = new RestRequest("/chain-head/{hash}", Method.GET);
// var x = Arrays.ByteArrayToHex(hash);
req.AddUrlSegment("hash", hashString);
var resp = StaticValues.clientWallet.Execute(req);
if (resp.Content.Contains("Chain not found"))
{
throw new FactomChainException("Chain not found");
}
try {
var chainHead = JsonConvert.DeserializeObject <DataStructs.ChainHeadDataStringFormat>(resp.Content);
return(DataStructs.ConvertStringFormatToByteFormat(chainHead));
} catch (Exception) {
throw new FactomEntryException("Error when serializing the chainhead. In GetChainHead: " + resp.Content);
}
}
/// <summary>
/// Second and final step in adding an entry to a chain on the factom blockchain
/// </summary>
/// <param name="entry">Entry to be added</param>
/// <returns>Boolean true/false for success/failure</returns>
public static bool RevealEntry(DataStructs.EntryData entry)
{
var rev = new Reveal();
var marshaledEntry = Entries.MarshalBinary(entry);
rev.Entry = Arrays.ByteArrayToHex(marshaledEntry);
var req = new RestRequest("/reveal-entry/", Method.POST);
var json = JsonConvert.SerializeObject(rev);
Console.WriteLine("RE Json = " + json);
req.RequestFormat = DataFormat.Json;
req.AddParameter("application/json", json, ParameterType.RequestBody);
IRestResponse resp = StaticValues.clientWallet.Execute <RestRequest>(req);
Console.WriteLine("RevealEntry Resp = " + resp.StatusCode + "|" + resp.StatusCode);
if (resp.StatusCode != HttpStatusCode.OK)
{
throw new FactomEntryException("Entry Reveal Failed. Message: " + resp.ErrorMessage);
}
return(true);
}
/// <summary>
/// Second step in committing a new chain. Only run this if CommitChain was successful.
/// </summary>
/// <param name="c">Chain to be added</param>
/// <returns>Boolean true/false for success/failure</returns>
public static bool RevealChain(ChainType c)
{
var r = new Reveal();
var b = Entries.MarshalBinary(c.FirstEntry);
r.Entry = Arrays.ByteArrayToHex(b);
var json = JsonConvert.SerializeObject(r);
var byteJson = Encoding.ASCII.GetBytes(json);
var req = new RestRequest("/reveal-chain/", Method.POST);
req.RequestFormat = DataFormat.Json;
req.AddParameter("application/json", json, ParameterType.RequestBody);
var resp = StaticValues.clientWallet.Execute(req);
Console.WriteLine("RevealChain Resp = " + resp.StatusCode); //TODO: Remove
if (resp.StatusCode != HttpStatusCode.OK)
{
throw new FactomChainException("Chain Reveal Failed. Message: " + resp.ErrorMessage);
}
return(true);
}
/// <summary>
/// First method to add a chain to factom. Spends the entry credits, must wait 10seconds and call
/// RevealChain() to finalize the commit.
/// </summary>
/// <param name="c">Chain to be added</param>
/// <param name="name">Name of Entry Credit wallet</param>
/// <returns>ChainID of chain added, do not lose this!</returns>
public static byte[] CommitChain(ChainType c, string name)
{
var byteList = new List <byte>();
//1 byte version
byteList.Add(0);
// 6 byte milliTimestamp (truncated unix time)
byteList.AddRange(Times.MilliTime());
var entry = c.FirstEntry;
// 32 Byte ChainID Hash
//byte[] chainIDHash = Encoding.ASCII.GetBytes(c.ChainId);
var chainIDHash = c.ChainId;
chainIDHash = SHA256.Create().ComputeHash(chainIDHash);
chainIDHash = SHA256.Create().ComputeHash(chainIDHash);
byteList.AddRange(chainIDHash);
// 32 byte Weld; sha256(sha256(EntryHash + ChainID))
var cid = c.ChainId;
var s = Entries.HashEntry(c.FirstEntry);
var weld = new byte[cid.Length + s.Length];
s.CopyTo(weld, 0);
cid.CopyTo(weld, s.Length);
weld = SHA256.Create().ComputeHash(weld);
weld = SHA256.Create().ComputeHash(weld);
byteList.AddRange(weld);
// 32 byte Entry Hash of the First Entry
byteList.AddRange(Entries.HashEntry(c.FirstEntry));
// 1 byte number of Entry Credits to pay
var cost = (sbyte)(Entry.EntryCost(entry) + 10); // TODO: check errors
byteList.Add(BitConverter.GetBytes(cost)[0]);
var com = new WalletCommit();
com.Message = Arrays.ByteArrayToHex(byteList.ToArray());
var json = JsonConvert.SerializeObject(com);
var req = new RestRequest("/commit-chain/" + name, Method.POST);
req.RequestFormat = DataFormat.Json;
req.AddParameter("application/json", json, ParameterType.RequestBody);
req.AddUrlSegment("name", name);
var resp = StaticValues.clientD.Execute(req);
Console.WriteLine("CommitChain Resp = " + resp.StatusCode); // TODO: Remove
Console.WriteLine("Message= " + com.Message); // TODO: Remove
if (resp.StatusCode != HttpStatusCode.OK)
{
throw new FactomChainException("Chain Commit Failed. Message: " + resp.ErrorMessage);
}
return(Entries.ChainIdOfFirstEntry(c.FirstEntry));
}
