public bool TryAddUnspentTx(UnspentTx unspentTx)
{
CheckWriteTransaction();
using (SetSessionContext())
{
try
{
using (var jetUpdate = this.jetSession.BeginUpdate(this.unspentTxTableId, JET_prep.Insert))
{
Api.SetColumns(this.jetSession, this.unspentTxTableId,
new BytesColumnValue {
Columnid = this.txHashColumnId, Value = DbEncoder.EncodeUInt256(unspentTx.TxHash)
},
new Int32ColumnValue {
Columnid = this.blockIndexColumnId, Value = unspentTx.BlockIndex
},
new Int32ColumnValue {
Columnid = this.txIndexColumnId, Value = unspentTx.TxIndex
},
new UInt32ColumnValue {
Columnid = this.txVersionColumnId, Value = unspentTx.TxVersion
},
new BoolColumnValue {
Columnid = this.isCoinbaseColumnId, Value = unspentTx.IsCoinbase
},
new BytesColumnValue {
Columnid = this.outputStatesColumnId, Value = DataEncoder.EncodeOutputStates(unspentTx.OutputStates)
});
jetUpdate.Save();
}
return(true);
}
catch (EsentKeyDuplicateException)
{
return(false);
}
}
}
public bool TryUpdateUnspentTx(UnspentTx unspentTx)
{
CheckWriteTransaction();
using (SetSessionContext())
{
Api.JetSetCurrentIndex(this.jetSession, this.unspentTxTableId, "IX_TxHash");
Api.MakeKey(this.jetSession, this.unspentTxTableId, DbEncoder.EncodeUInt256(unspentTx.TxHash), MakeKeyGrbit.NewKey);
if (Api.TrySeek(this.jetSession, this.unspentTxTableId, SeekGrbit.SeekEQ))
{
using (var jetUpdate = this.jetSession.BeginUpdate(this.unspentTxTableId, JET_prep.Replace))
{
Api.SetColumn(this.jetSession, this.unspentTxTableId, this.outputStatesColumnId, DataEncoder.EncodeOutputStates(unspentTx.OutputStates));
jetUpdate.Save();
}
return(true);
}
else
{
return(false);
}
}
}
public void AddTransaction(UInt256 txHash, UnspentTx unspentTx)
{
Api.JetBeginTransaction(this.jetSession);
try
{
Api.JetPrepareUpdate(this.jetSession, this.unspentTxTableId, JET_prep.Insert);
try
{
Api.SetColumn(this.jetSession, this.unspentTxTableId, this.txHashColumnId, txHash.ToByteArray());
Api.SetColumn(this.jetSession, this.unspentTxTableId, this.confirmedBlockHashColumnId, unspentTx.ConfirmedBlockHash.ToByteArray());
Api.SetColumn(this.jetSession, this.unspentTxTableId, this.outputStatesColumnId, DataEncoder.EncodeOutputStates(unspentTx.OutputStates));
Api.JetUpdate(this.jetSession, this.unspentTxTableId);
Api.JetCommitTransaction(this.jetSession, CommitTransactionGrbit.LazyFlush);
this.unspentTxCount++;
}
catch (Exception)
{
Api.JetPrepareUpdate(this.jetSession, this.unspentTxTableId, JET_prep.Cancel);
throw;
}
}
catch (Exception)
{
Api.JetRollback(this.jetSession, RollbackTransactionGrbit.None);
throw;
}
}
public void UpdateTransaction(UInt256 txHash, UnspentTx unspentTx)
{
Api.JetBeginTransaction(this.jetSession);
try
{
//Api.JetSetCurrentIndex(this.jetSession, this.unspentTxTableId, "IX_TxHash");
Api.MakeKey(this.jetSession, this.unspentTxTableId, txHash.ToByteArray(), MakeKeyGrbit.NewKey);
if (!Api.TrySeek(this.jetSession, this.unspentTxTableId, SeekGrbit.SeekEQ))
{
throw new KeyNotFoundException();
}
Api.JetPrepareUpdate(this.jetSession, this.unspentTxTableId, JET_prep.Replace);
try
{
Api.SetColumn(this.jetSession, this.unspentTxTableId, this.outputStatesColumnId, DataEncoder.EncodeOutputStates(unspentTx.OutputStates));
Api.JetUpdate(this.jetSession, this.unspentTxTableId);
Api.JetCommitTransaction(this.jetSession, CommitTransactionGrbit.LazyFlush);
}
catch (Exception)
{
Api.JetPrepareUpdate(this.jetSession, this.unspentTxTableId, JET_prep.Cancel);
throw;
}
}
catch (Exception)
{
Api.JetRollback(this.jetSession, RollbackTransactionGrbit.None);
throw;
}
}
public bool TryAddUnspentTx(UnspentTx unspentTx)
{
if (!this.inTransaction)
{
throw new InvalidOperationException();
}
try
{
using (var jetUpdate = this.jetSession.BeginUpdate(this.unspentTxTableId, JET_prep.Insert))
{
Api.SetColumn(this.jetSession, this.unspentTxTableId, this.txHashColumnId, DbEncoder.EncodeUInt256(unspentTx.TxHash));
Api.SetColumn(this.jetSession, this.unspentTxTableId, this.blockIndexColumnId, unspentTx.BlockIndex);
Api.SetColumn(this.jetSession, this.unspentTxTableId, this.txIndexColumnId, unspentTx.TxIndex);
Api.SetColumn(this.jetSession, this.unspentTxTableId, this.outputStatesColumnId, DataEncoder.EncodeOutputStates(unspentTx.OutputStates));
jetUpdate.Save();
// increase unspent tx count
Api.EscrowUpdate(this.jetSession, this.globalsTableId, this.unspentTxCountColumnId, +1);
return(true);
}
}
catch (EsentKeyDuplicateException)
{
return(false);
}
}
