public string?GetBlockTransactionsCountByNumber(string blockTag)
{
var blockNumber = GetBlockNumberByTag(blockTag);
if (blockNumber == null)
{
return(Web3DataFormatUtils.Web3Number(_transactionPool.Size()));
}
var block = _blockManager.GetByHeight((ulong)blockNumber);
return(block == null ? null : Web3DataFormatUtils.Web3Number((ulong)block !.TransactionHashes.Count));
}
public string CheckNodeHashes(string blockTag)
{
var blockNumber = GetBlockNumberByTag(blockTag);
IBlockchainSnapshot blockchainSnapshot = _snapshotIndexer.GetSnapshotForBlock((ulong)blockNumber);
bool res = true;
ISnapshot[] snapshots = blockchainSnapshot.GetAllSnapshot();
foreach (var snapshot in snapshots)
{
res &= snapshot.IsTrieNodeHashesOk();
}
return(Web3DataFormatUtils.Web3Number(Convert.ToUInt64(res)));
}
public string GetTransactionCount(string from, string blockId)
{
ulong nonce;
if (blockId.Equals("pending"))
{
nonce = _transactionPool.GetNextNonceForAddress(from.HexToUInt160());
}
else
{
nonce = GetSnapshotByTag(blockId) !.Transactions.GetTotalTransactionCount(from.HexToUInt160());
}
return(Web3DataFormatUtils.Web3Number(nonce));
}
public JObject GetChildrenByVersion(string versionTag)
{
var version = GetVersionNumberByTag(versionTag);
if (version == null)
{
return new JObject {
}
}
;
var node = _nodeRetrieval.TryGetNode((ulong)version);
if (node == null)
{
return new JObject {
}
}
;
JArray children = new JArray {
};
if (node.Type == NodeType.Internal)
{
foreach (var childId in node.Children)
{
var child = _nodeRetrieval.TryGetNode(childId);
if (child == null)
{
return new JObject {
}
}
;
children.Add(Web3DataFormatUtils.Web3Node(child));
}
}
JObject nodeWithChildren = new JObject {
};
nodeWithChildren[Web3DataFormatUtils.Web3Number((ulong)version)] = children;
return(nodeWithChildren);
}
public string GetRootVersionByTrieName(string trieName, string blockTag)
{
var blockNumber = GetBlockNumberByTag(blockTag);
if (blockNumber == null)
{
return("0x");
}
IBlockchainSnapshot blockchainSnapshot = _snapshotIndexer.GetSnapshotForBlock((ulong)blockNumber);
ISnapshot? snapshot = blockchainSnapshot.GetSnapshot(trieName);
if (snapshot is null)
{
return("0x");
}
else
{
return(Web3DataFormatUtils.Web3Number(snapshot.Version));
}
}
public JObject?GetStateByNumber(string blockTag)
{
var blockNumber = GetBlockNumberByTag(blockTag);
if (blockNumber == null)
{
return(null);
}
IBlockchainSnapshot blockchainSnapshot = _snapshotIndexer.GetSnapshotForBlock((ulong)blockNumber);
var state = new JObject {
};
string[] trieNames = new string[] { "Balances", "Contracts", "Storage", "Transactions", "Blocks", "Events", "Validators" };
ISnapshot[] snapshots = blockchainSnapshot.GetAllSnapshot();
for (var i = 0; i < trieNames.Length; i++)
{
state[trieNames[i]] = Web3DataFormatUtils.Web3Trie(snapshots[i].GetState());
state[trieNames[i] + "Root"] = Web3DataFormatUtils.Web3Number(snapshots[i].Version);
}
return(state);
}
public string GetDownloadedNodesTillNow()
{
return(Web3DataFormatUtils.Web3Number(_nodeRetrieval.GetDownloadedNodeCount()));
}
public string GetBlockNumber()
{
return(Web3DataFormatUtils.Web3Number(_blockManager.GetHeight()));
}
public string GetBalance(string address, string tag)
{
var addressUint160 = address.HexToUInt160();
if (tag == "pending")
{
// Get all transaction from pool
var transactions = _transactionPool.Transactions;
List <TransactionReceipt> txReceipts = new List <TransactionReceipt>();
foreach (var tx in transactions)
{
var from = tx.Value.Transaction.From.ToHex();
if (address == from)
{
txReceipts.Add(tx.Value);
}
}
// Sort on the basis of nonce
txReceipts = txReceipts.OrderBy(receipt => receipt, new ReceiptComparer()).ToList();
// Get current address nonce
var transactionRepository = _stateManager.CurrentSnapshot.Transactions;
var currNonce = transactionRepository.GetTotalTransactionCount(addressUint160);
// Virtually execute the txs in nonce order
var availableBalance = GetSnapshotByTag("latest") !.Balances.GetBalance(addressUint160);
foreach (var tx in txReceipts)
{
var from = tx.Transaction.From.ToHex();
if (currNonce == tx.Transaction.Nonce)
{
// Executing the transaction
var gasp = new Money(tx.Transaction.GasPrice);
var gasl = new Money(tx.Transaction.GasLimit);
var txamnt = new Money(tx.Transaction.Value);
if (availableBalance - txamnt - (gasl * gasp) >= Money.Parse("0"))
{
// If transaction can be executed
availableBalance = availableBalance - txamnt - (gasl * gasp);
currNonce += 1;
}
else if (availableBalance - (gasl * gasp) >= Money.Parse("0"))
{
// If balance is not enough for transaction
availableBalance = availableBalance - (gasl * gasp);
currNonce += 1;
}
}
}
return(Web3DataFormatUtils.Web3Number(availableBalance.ToWei().ToUInt256()));
}
else
{
var availableBalance = GetSnapshotByTag(tag) !.Balances.GetBalance(addressUint160);
return(Web3DataFormatUtils.Web3Number(availableBalance.ToWei().ToUInt256()));
}
}
