public bool Run(byte[] Content, String ECpub, byte [][] ExtIDs = null)
{
if (ExtIDs == null)
{
ExtIDs = FactomUtils.MakeExtIDs();
}
var chainHash = new List <byte>();
foreach (var extId in ExtIDs)
{
var h = SHA256.Create().ComputeHash(extId);
chainHash.AddRange(h);
}
Request = new ComposeChainRequest();
Request.param.Chain.firstentry.Content = Content.ToHexString();
Request.param.Chain.firstentry.Extids = ExtIDs.ExtIDsToHexStrings();
Request.param.Ecpub = ECpub;
return(Run(Request));
}
public string GetHexString()
{
if (ExtIDs == null)
{
ExtIDs = FactomUtils.MakeExtIDs();
}
var chainHash = new List <byte>();
foreach (var extId in ExtIDs)
{
var h = SHA256.Create().ComputeHash(extId);
chainHash.AddRange(h);
}
byte[] ChainId;
if (ChainIdString != null)
{
ChainId = ChainIdString.DecodeHexIntoBytes();
}
else
{
ChainId = SHA256.Create().ComputeHash(chainHash.ToArray());
}
Entry = new EntryData(ChainId, FirstEntry, ExtIDs);
var byteList = new List <byte>();
//1 byte version
byteList.Add(0);
// 6 byte milliTimestamp (truncated unix time)
byteList.AddRange(FactomUtils.MilliTime());
// 32 Byte ChainID Hash
//byte[] chainIDHash = Encoding.ASCII.GetBytes(c.ChainId);
var chainIDHash = Entry.ChainId;
chainIDHash = SHA256.Create().ComputeHash(chainIDHash);
chainIDHash = SHA256.Create().ComputeHash(chainIDHash);
byteList.AddRange(chainIDHash);
// 32 byte Weld; sha256(sha256(EntryHash + ChainID))
var cid = Entry.ChainId;
var s = Entry.Hash;
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(Entry.Hash);
// 1 byte number of Entry Credits to pay
byteList.Add((byte)(Entry.EntryCost + 10));
//Sign
var signature = ECaddress.SignFunction(byteList.ToArray());
//Add in the EC Public key (strip off header and checksum)
// byteList.AddRange(ECPublicBytes.ToArray());
byteList.AddRange(ECaddress.Public.FactomBase58ToBytes().ToArray());
//Add signature
byteList.AddRange(signature);
return(byteList.ToArray().ToHexString());
}