// remove
bool IsTransactionValid(Types.Transaction tx, byte[] txHash, out TransactionValidation.PointedTransaction ptx)
{
if (_BlockChain.BlockStore.TxStore.ContainsKey(_DbTx, txHash) && _BlockChain.BlockStore.TxStore.Get(_DbTx, txHash).Value.InMainChain)
{
BlockChainTrace.Information("Tx already in store", txHash);
ptx = null;
return(false);
}
switch (_BlockChain.IsOrphanTx(_DbTx, tx, true, out ptx))
{
case BlockChain.IsTxOrphanResult.Orphan:
BlockChainTrace.Information("tx invalid - orphan", tx);
return(false);
case BlockChain.IsTxOrphanResult.Invalid:
BlockChainTrace.Information("tx invalid - reference(s)", tx);
return(false);
}
if (_BlockChain.IsDoubleSpend(_DbTx, tx, true))
{
return(false);
}
//TODO: coinbase validation + check that witness has blocknumber
if (!BlockChain.IsValidUserGeneratedTx(_DbTx, ptx))
{
BlockChainTrace.Information("tx invalid - structural", ptx);
return(false);
}
byte[] contractHash;
switch (BlockChain.IsContractGeneratedTx(ptx, out contractHash))
{
case BlockChain.IsContractGeneratedTxResult.ContractGenerated:
if (!_BlockChain.ActiveContractSet.IsActive(_DbTx, contractHash))
{
BlockChainTrace.Information("tx invalid - contract not active", tx);
return(false);
}
var contractFunction = _BlockChain.ActiveContractSet.GetContractFunction(_DbTx, contractHash);
if (!BlockChain.IsValidAutoTx(ptx, UtxoLookup, contractHash, contractFunction))
{
BlockChainTrace.Information("auto-tx invalid", ptx);
return(false);
}
break;
case BlockChain.IsContractGeneratedTxResult.Invalid:
BlockChainTrace.Information("tx invalid - input locks", tx);
return(false);
}
return(true);
}