public JObject GetNep17Balances(JArray _params)
{
using SnapshotView snapshot = Blockchain.Singleton.GetSnapshot();
UInt160 userScriptHash = GetScriptHashFromParam(_params[0].AsString());
JObject json = new JObject();
JArray balances = new JArray();
json["balance"] = balances;
json["address"] = userScriptHash.ToAddress();
var dbCache = new DbCache <Nep17BalanceKey, Nep17Balance>(_db, null, null, Nep17BalancePrefix);
byte[] prefix = userScriptHash.ToArray();
foreach (var(key, value) in dbCache.Find(prefix))
{
JObject balance = new JObject();
if (NativeContract.ContractManagement.GetContract(snapshot, key.AssetScriptHash) is null)
{
continue;
}
balance["assethash"] = key.AssetScriptHash.ToString();
balance["amount"] = value.Balance.ToString();
balance["lastupdatedblock"] = value.LastUpdatedBlock;
balances.Add(balance);
}
return(json);
}
public JObject GetNep5Balances(JArray _params)
{
UInt160 userScriptHash = GetScriptHashFromParam(_params[0].AsString());
JObject json = new JObject();
JArray balances = new JArray();
json["balance"] = balances;
json["address"] = userScriptHash.ToAddress();
var dbCache = new DbCache <Nep5BalanceKey, Nep5Balance>(_db, null, null, Nep5BalancePrefix);
byte[] prefix = userScriptHash.ToArray();
foreach (var(key, value) in dbCache.Find(prefix))
{
JObject balance = new JObject();
if (Blockchain.Singleton.View.Contracts.TryGet(key.AssetScriptHash) is null)
{
continue;
}
balance["asset_hash"] = key.AssetScriptHash.ToString();
balance["amount"] = value.Balance.ToString();
balance["last_updated_block"] = value.LastUpdatedBlock;
balances.Add(balance);
}
return(json);
}
private JObject ProcessGetClaimableSpents(JArray parameters)
{
UInt160 scriptHash = GetScriptHashFromParam(parameters[0].AsString());
var dbCache = new DbCache <UserSystemAssetCoinOutputsKey, UserSystemAssetCoinOutputs>(
_db, null, null, SystemAssetSpentUnclaimedCoinsPrefix);
JObject json = new JObject();
JArray claimable = new JArray();
json["claimable"] = claimable;
json["address"] = scriptHash.ToAddress();
Fixed8 totalUnclaimed = Fixed8.Zero;
using (Snapshot snapshot = Blockchain.Singleton.GetSnapshot())
{
var storeSpentCoins = snapshot.SpentCoins;
byte[] prefix = new [] { (byte)1 }.Concat(scriptHash.ToArray()).ToArray();
foreach (var claimableInTx in dbCache.Find(prefix))
{
if (!AddClaims(claimable, ref totalUnclaimed, _rpcMaxUnspents, snapshot, storeSpentCoins,
claimableInTx))
{
break;
}
}
}
json["unclaimed"] = (double)(decimal)totalUnclaimed;
return(json);
}
private JObject ProcessGetUnspents(JArray _params)
{
UInt160 scriptHash = GetScriptHashFromParam(_params[0].AsString());
byte startingToken = 0; // 0 = Utility Token (GAS), 1 = Governing Token (NEO)
int maxIterations = 2;
if (_params.Count > 1)
{
maxIterations = 1;
bool isGoverningToken = _params[1].AsBoolean();
if (isGoverningToken)
{
startingToken = 1;
}
}
var unspentsCache = new DbCache <UserSystemAssetCoinOutputsKey, UserSystemAssetCoinOutputs>(
_db, null, null, SystemAssetUnspentCoinsPrefix);
string[] nativeAssetNames = { "GAS", "NEO" };
UInt256[] nativeAssetIds = { Blockchain.UtilityToken.Hash, Blockchain.GoverningToken.Hash };
JObject json = new JObject();
JArray balances = new JArray();
json["balance"] = balances;
json["address"] = scriptHash.ToAddress();
for (byte tokenIndex = startingToken; maxIterations-- > 0; tokenIndex++)
{
byte[] prefix = new [] { tokenIndex }.Concat(scriptHash.ToArray()).ToArray();
var unspents = new JArray();
Fixed8 total = new Fixed8(0);
foreach (var unspentInTx in unspentsCache.Find(prefix))
{
if (!AddUnspents(unspents, ref total, unspentInTx))
{
break;
}
}
if (unspents.Count <= 0)
{
continue;
}
var balance = new JObject();
balance["unspent"] = unspents;
balance["asset_hash"] = nativeAssetIds[tokenIndex].ToString().Substring(2);
balance["asset_symbol"] = balance["asset"] = nativeAssetNames[tokenIndex];
balance["amount"] = new JNumber((double)(decimal)total);;
balances.Add(balance);
}
return(json);
}
private JObject ProcessGetUnclaimed(JArray parameters)
{
UInt160 scriptHash = GetScriptHashFromParam(parameters[0].AsString());
JObject json = new JObject();
Fixed8 available = Fixed8.Zero;
Fixed8 unavailable = Fixed8.Zero;
var spentsCache = new DbCache <UserSystemAssetCoinOutputsKey, UserSystemAssetCoinOutputs>(
_db, null, null, SystemAssetSpentUnclaimedCoinsPrefix);
var unspentsCache = new DbCache <UserSystemAssetCoinOutputsKey, UserSystemAssetCoinOutputs>(
_db, null, null, SystemAssetUnspentCoinsPrefix);
using (Snapshot snapshot = Blockchain.Singleton.GetSnapshot())
{
var storeSpentCoins = snapshot.SpentCoins;
byte[] prefix = new [] { (byte)1 }.Concat(scriptHash.ToArray()).ToArray();
foreach (var claimableInTx in spentsCache.Find(prefix))
{
var spentCoinState = storeSpentCoins.TryGet(claimableInTx.Key.TxHash);
foreach (var claimTxIndex in claimableInTx.Value.AmountByTxIndex)
{
var startHeight = spentCoinState.TransactionHeight;
var endHeight = spentCoinState.Items[claimTxIndex.Key];
CalculateClaimable(snapshot, claimTxIndex.Value, startHeight, endHeight, out var generated,
out var sysFee);
available += generated + sysFee;
}
}
var transactionsCache = snapshot.Transactions;
foreach (var claimableInTx in unspentsCache.Find(prefix))
{
var transaction = transactionsCache.TryGet(claimableInTx.Key.TxHash);
foreach (var claimTxIndex in claimableInTx.Value.AmountByTxIndex)
{
var startHeight = transaction.BlockIndex;
var endHeight = Blockchain.Singleton.Height;
CalculateClaimable(snapshot, claimTxIndex.Value, startHeight, endHeight,
out var generated,
out var sysFee);
unavailable += generated + sysFee;
}
}
}
json["available"] = (double)(decimal)available;
json["unavailable"] = (double)(decimal)unavailable;
json["unclaimed"] = (double)(decimal)(available + unavailable);
return(json);
}
private JObject GetNep5Balances(JArray _params)
{
UInt160 userScriptHash = GetScriptHashFromParam(_params[0].AsString());
JObject json = new JObject();
JArray balances = new JArray();
json["balance"] = balances;
json["address"] = userScriptHash.ToAddress();
var dbCache = new DbCache <Nep5BalanceKey, Nep5Balance>(_db, null, null, Nep5BalancePrefix);
byte[] prefix = userScriptHash.ToArray();
foreach (var storageKeyValuePair in dbCache.Find(prefix))
{
byte[] script;
using (ScriptBuilder sb = new ScriptBuilder())
{
sb.EmitAppCall(storageKeyValuePair.Key.AssetScriptHash, "decimals");
sb.EmitAppCall(storageKeyValuePair.Key.AssetScriptHash, "symbol");
sb.EmitAppCall(storageKeyValuePair.Key.AssetScriptHash, "name");
script = sb.ToArray();
}
ApplicationEngine engine = ApplicationEngine.Run(script);
JObject balance = new JObject();
balance["asset_hash"] = storageKeyValuePair.Key.AssetScriptHash.ToArray().Reverse().ToHexString();
if (!engine.State.HasFlag(VMState.FAULT))
{
balance["asset_name"] = engine.ResultStack.Pop().GetString();
balance["asset_symbol"] = engine.ResultStack.Pop().GetString();
balance["asset_decimals"] = (byte)engine.ResultStack.Pop().GetBigInteger();
}
balance["amount"] = storageKeyValuePair.Value.Balance.ToString();
balance["last_updated_block"] = storageKeyValuePair.Value.LastUpdatedBlock;
balances.Add(balance);
}
return(json);
}
private JObject GetNep5Balances(JArray _params)
{
UInt160 userScriptHash = GetScriptHashFromParam(_params[0].AsString());
JObject json = new JObject();
JArray balances = new JArray();
json["balance"] = balances;
json["address"] = userScriptHash.ToAddress();
var dbCache = new DbCache <Nep5BalanceKey, Nep5Balance>(_db, null, null, Nep5BalancePrefix);
byte[] prefix = userScriptHash.ToArray();
foreach (var storageKeyValuePair in dbCache.Find(prefix))
{
JObject balance = new JObject();
balance["asset_hash"] = storageKeyValuePair.Key.AssetScriptHash.ToArray().Reverse().ToHexString();
balance["amount"] = storageKeyValuePair.Value.Balance.ToString();
balance["last_updated_block"] = storageKeyValuePair.Value.LastUpdatedBlock;
balances.Add(balance);
}
return(json);
}