private void RecordTransferHistory(Snapshot snapshot, UInt160 scriptHash, UInt160 from, UInt160 to, BigInteger amount, UInt256 txHash, ref ushort transferIndex)
{
if (!_shouldTrackHistory)
{
return;
}
if (_recordNullAddressHistory || from != UInt160.Zero)
{
_transfersSent.Add(new Nep5TransferKey(from,
snapshot.GetHeader(snapshot.Height).Timestamp, scriptHash, transferIndex),
new Nep5Transfer
{
Amount = amount,
UserScriptHash = to,
BlockIndex = snapshot.Height,
TxHash = txHash
});
}
if (_recordNullAddressHistory || to != UInt160.Zero)
{
_transfersReceived.Add(new Nep5TransferKey(to,
snapshot.GetHeader(snapshot.Height).Timestamp, scriptHash, transferIndex),
new Nep5Transfer
{
Amount = amount,
UserScriptHash = from,
BlockIndex = snapshot.Height,
TxHash = txHash
});
}
transferIndex++;
}
private void RecordTransferHistory(Snapshot snapshot, UInt160 scriptHash, UInt160 from, UInt160 to, BigInteger amount, UInt256 txHash, ref ushort transferIndex)
{
Header header = snapshot.GetHeader(snapshot.Height);
JObject transfer = new JObject();
transfer["from"] = from.ToAddress();
transfer["to"] = to.ToAddress();
transfer["time"] = header.Timestamp;
transfer["scripthash"] = scriptHash.ToString();
transfer["amount"] = amount.ToString();
transfer["block"] = snapshot.Height;
transfer["txid"] = txHash.ToString();
transfer["transferindex"] = $"{snapshot.Height}.{transferIndex}";
Document a = Document.FromJson(transfer.ToString());
TransfersTable.UpdateItemAsync(a);
transferIndex++;
// store the asset metadata if this is the first time we're seeing this scripthash
if (Assets.Count == 0)
{
PreloadAssets();
}
if (!Assets.Contains(scriptHash.ToString()))
{
AddAsset(snapshot, scriptHash);
}
}
private void AddBlock(Snapshot snapshot)
{
Block block = snapshot.PersistingBlock;
ulong idx = block.Index;
Console.WriteLine($"Adding block {idx} to DynamoDB table");
ulong blocktime = 0;
if (block.Index > 0)
{
ulong timestamp = block.Timestamp;
Header header = snapshot.GetHeader((uint)idx - 1);
ulong lasttimestamp = header.Timestamp;
blocktime = timestamp - lasttimestamp;
}
JObject j = block.ToJson();
j["blocktime"] = blocktime;
Document d = Document.FromJson(j.ToString());
BlocksTable.UpdateItemAsync(d);
}
private void HandleNotification(Snapshot snapshot, Transaction transaction, UInt160 scriptHash,
VM.Types.Array stateItems,
Dictionary <Nep5BalanceKey, Nep5Balance> nep5BalancesChanged, ref ushort transferIndex)
{
// Event name should be encoded as a byte array.
if (!(stateItems[0] is VM.Types.ByteArray))
{
return;
}
var eventName = Encoding.UTF8.GetString(stateItems[0].GetByteArray());
// Only care about transfers
if (eventName != "transfer")
{
return;
}
if (!(stateItems[1] is VM.Types.ByteArray))
{
return;
}
if (!(stateItems[2] is VM.Types.ByteArray))
{
return;
}
var amountItem = stateItems[3];
if (!(amountItem is VM.Types.ByteArray || amountItem is VM.Types.Integer))
{
return;
}
byte[] fromBytes = stateItems[1].GetByteArray();
if (fromBytes.Length != 20)
{
fromBytes = null;
}
byte[] toBytes = stateItems[2].GetByteArray();
if (toBytes.Length != 20)
{
toBytes = null;
}
if (fromBytes == null && toBytes == null)
{
return;
}
var from = new UInt160(fromBytes);
var to = new UInt160(toBytes);
var fromKey = new Nep5BalanceKey(from, scriptHash);
if (!nep5BalancesChanged.ContainsKey(fromKey))
{
nep5BalancesChanged.Add(fromKey, new Nep5Balance());
}
var toKey = new Nep5BalanceKey(to, scriptHash);
if (!nep5BalancesChanged.ContainsKey(toKey))
{
nep5BalancesChanged.Add(toKey, new Nep5Balance());
}
if (!_shouldTrackHistory)
{
return;
}
BigInteger amount = amountItem.GetBigInteger();
_transfersSent.Add(new Nep5TransferKey(from,
snapshot.GetHeader(snapshot.Height).Timestamp, scriptHash, transferIndex),
new Nep5Transfer
{
Amount = amount,
UserScriptHash = to,
BlockIndex = snapshot.Height,
TxHash = transaction.Hash
});
_transfersReceived.Add(new Nep5TransferKey(to,
snapshot.GetHeader(snapshot.Height).Timestamp, scriptHash, transferIndex),
new Nep5Transfer
{
Amount = amount,
UserScriptHash = from,
BlockIndex = snapshot.Height,
TxHash = transaction.Hash
});
transferIndex++;
}