// Use case example: domain = user script hash, counter = NeoCounters.UserPointsCounter
// TakeNextNumber semantics: return the current number and then advance the counter ...like at the grocery store
public static BigInteger TakeNextNumber(NeoVersionedAppUser vau, byte[] domain, NeoCounters counter)
{
NeoCounter nc = NeoCounter.GetElement(vau, domain, (int)counter); // Get persisted counter value
if (NeoTrace.VERBOSE)
{
NeoCounter.LogExt("TakeNextNumber", nc);
}
if (NeoCounter.IsMissing(nc)) // Create persist the new counter entity
{
if (NeoTrace.VERBOSE)
{
NeoCounter.LogExt("TakeNextNumber.domain and counter is missing", nc);
}
nc = NeoCounter.New(); // Create a new counter entity
if (NeoTrace.VERBOSE)
{
NeoCounter.LogExt("TakeNextNumber.putnew", nc);
}
NeoCounter.PutElement(nc, vau, domain, (int)counter); // Persist the new counter entity with a value of zero
}
if (NeoTrace.VERBOSE)
{
NeoCounter.LogExt("TakeNextNumber.exists", nc);
}
BigInteger currentNextNumber = NeoCounter.GetCurrentNumber(nc);
if (NeoTrace.VERBOSE)
{
NeoTraceRuntime.TraceRuntime("currentNextNumber", currentNextNumber);
}
BigInteger newNextNumber = currentNextNumber + 1;
if (NeoTrace.VERBOSE)
{
NeoTraceRuntime.TraceRuntime("nextNumber", newNextNumber);
}
NeoCounter.SetCurrentNumber(nc, newNextNumber);
if (NeoTrace.VERBOSE)
{
NeoCounter.LogExt("TakeNextNumber.putincr", nc);
}
NeoCounter.PutElement(nc, vau, domain, (int)counter); // Persist the new counter
return(currentNextNumber);
}
public static BigInteger TakeNextNumber(NeoVersionedAppUser vau, NeoCounters counter)
{
NeoCounter nc = NeoCounter.GetElement(vau, DOMAINAC, (int)counter); // Get persisted counter value
if (NeoTrace.VERBOSE)
{
NeoCounter.LogExt("TakeNextNumber", nc);
}
if (NeoCounter.IsMissing(nc))
{
nc = NeoCounter.New(); // Create a new counter value
if (NeoTrace.VERBOSE)
{
NeoCounter.LogExt("TakeNextNumber.putnew", nc);
}
NeoCounter.PutElement(nc, vau, DOMAINAC, (int)counter); // Persist the new counter
}
else // Get and increment counter value by 1
{
BigInteger newNumber = NeoCounter.GetCurrentNumber(nc);
if (NeoTrace.VERBOSE)
{
NeoTraceRuntime.TraceRuntime("newNumber", newNumber);
}
newNumber = newNumber + 1;
if (NeoTrace.VERBOSE)
{
NeoTraceRuntime.TraceRuntime("newNumber", newNumber);
}
NeoCounter.SetCurrentNumber(nc, newNumber);
if (NeoTrace.VERBOSE)
{
NeoCounter.LogExt("TakeNextNumber.putincr", nc);
}
NeoCounter.PutElement(nc, vau, DOMAINAC, (int)counter); // Persist the new counter
}
return(NeoCounter.GetCurrentNumber(nc));
}
// Use case example: domain = user script hash, counter = NeoCounters.UserPointsCounter
public static BigInteger GiveBackLastNumber(NeoVersionedAppUser vau, byte[] domain, NeoCounters counter)
{
NeoCounter nc = NeoCounter.GetElement(vau, domain, (int)counter); // Get persisted counter value
if (NeoTrace.VERBOSE)
{
NeoCounter.LogExt("GiveBackLastNumber", nc);
}
if (NeoCounter.IsMissing(nc))
{
nc = NeoCounter.New(); // Create a new counter value
}
else // Get and decrement counter value by 1
{
BigInteger currentNumber = NeoCounter.GetCurrentNumber(nc);
if (NeoTrace.VERBOSE)
{
NeoTraceRuntime.TraceRuntime("currentNumber", currentNumber);
}
currentNumber = currentNumber - 1;
if (NeoTrace.VERBOSE)
{
NeoTraceRuntime.TraceRuntime("currentNumber", currentNumber);
}
NeoCounter.SetCurrentNumber(nc, currentNumber);
if (NeoTrace.VERBOSE)
{
NeoCounter.LogExt("GiveBackLastNumber", nc);
}
NeoCounter.PutElement(nc, vau, domain, (int)counter); // Persist the incremented current value of the counter
if (NeoTrace.VERBOSE)
{
NeoCounter.LogExt("GiveBackLastNumber", nc);
}
}
return(NeoCounter.GetCurrentNumber(nc));
}
public static object Main()
{
object result = false;
NeoVersionedAppUser vau = NeoVersionedAppUser.New(_AppName, _AppVersionMajor, _AppVersionMinor, _AppVersionBuild, _OwnerAccountScriptHash);
NeoCounter counter1 = NeoCounter.New(1234);
NeoCounter.Put(counter1, "MyCounter1");
NeoCounter.Log("counter1", counter1);
counter1 = NeoCounter.Get("MyCounter1");
NeoCounter.Log("counter1", counter1);
NeoCounter counter2 = NeoCounter.New(5678);
NeoCounter.PutElement(counter2, vau, DOMAIN_MYCOUNTER2, 0);
NeoCounter.Log("counter2", counter2);
counter2 = NeoCounter.GetElement(vau, DOMAIN_MYCOUNTER2, 0);
NeoCounter.Log("counter2", counter2);
BigInteger nextNumber3 = NeoCounter.TakeNextNumber(vau, NeoCounter.NeoCounters.PointCounter);
NeoTrace.Trace("nextNumber3", nextNumber3);
nextNumber3 = NeoCounter.TakeNextNumber(vau, NeoCounter.NeoCounters.PointCounter);
NeoTrace.Trace("nextNumber3", nextNumber3);
nextNumber3 = NeoCounter.TakeNextNumber(vau, NeoCounter.NeoCounters.PointCounter);
NeoTrace.Trace("nextNumber3", nextNumber3);
BigInteger nextNumber5 = NeoCounter.TakeNextNumber(vau, DOMAIN_MYCOUNTER5, NeoCounter.NeoCounters.RequisitionCounter);
NeoTrace.Trace("nextNumber5", nextNumber5);
nextNumber5 = NeoCounter.TakeNextNumber(vau, DOMAIN_MYCOUNTER5, NeoCounter.NeoCounters.RequisitionCounter);
NeoTrace.Trace("nextNumber5", nextNumber5);
nextNumber5 = NeoCounter.TakeNextNumber(vau, DOMAIN_MYCOUNTER5, NeoCounter.NeoCounters.RequisitionCounter);
NeoTrace.Trace("nextNumber5", nextNumber5);
int iteration = 0;
while (true)
{
if (iteration >= 10)
{
break;
}
NeoTrace.Trace("iteration", iteration);
BigInteger nextIndex = NeoCounter.TakeNextNumber(vau, NeoCounter.NeoCounters.UserCounter);
NeoTrace.Trace("nextIndex", nextIndex);
UserLedgerEntry e = UserLedgerEntry.New(_User1AccountScriptHash, _User1PassphraseScriptHash);
UserLedgerEntry.Log("e.put1", e);
UserLedgerEntry.SetUserScriptHash(e, _User2AccountScriptHash);
UserLedgerEntry.Log("e.put2", e);
UserLedgerEntry.SetPassphraseScriptHash(e, _User2PassphraseScriptHash);
UserLedgerEntry.Log("e.put3", e);
UserLedgerEntry.PutElement(e, vau, DOMAIN_USERLEDGER, (int)nextIndex);
iteration++;
}
iteration = 0;
BigInteger nUsers = NeoCounter.GetNextNumber(vau, NeoCounter.NeoCounters.UserCounter);
UserLedgerEntry[] users = new UserLedgerEntry[(int)nUsers];
while (true)
{
if (iteration >= nUsers)
{
break;
}
NeoTrace.Trace("iteration", iteration);
UserLedgerEntry e = UserLedgerEntry.GetElement(vau, DOMAIN_USERLEDGER, iteration);
UserLedgerEntry.Log("e.get", e);
users[iteration] = e;
UserLedgerEntry.Log("users[iteration]", users[iteration]);
iteration++;
}
result = users;
return(result);
}
