public static bool CreateOracleRequest(string request, byte[] address)
{
//TODO: check request format
//TODO: transfer ong
Transaction tx = (Transaction)ExecutionEngine.ScriptContainer;
byte[] txHash = tx.Hash;
//Runtime.Notify("txHash is :", txHash);
Map <byte[], string> undoRequest = new Map <byte[], string>();
byte[] v = Storage.Get(Storage.CurrentContext, "UndoRequest");
if (v.Length != 0)
{
undoRequest = (Map <byte[], string>)Helper.Deserialize(v);
}
undoRequest[txHash] = request;
byte[] b = Helper.Serialize(undoRequest);
Storage.Put(Storage.CurrentContext, "UndoRequest", b);
Runtime.Notify("CreateOracleRequest Done");
return(true);
}
public static void Main()
{
// create struct instance
Person p = new Person();
p.Name = "bob";
p.Age = 20;
Runtime.Notify(p.Name);
Runtime.Notify(p.Age);
// serialize struct instance to byte[]
byte[] b = Helper.Serialize(p);
// deserialize byte[] to struct
Person p2 = (Person)Helper.Deserialize(b);
Runtime.Notify(p2.Name);
Runtime.Notify(p2.Age);
// create struct array
Person[] array = new Person[] { new Person {
Name = "tom", Age = 18
}, new Person {
Name = "jack", Age = 20
} };
}
public static bool SetOracleOutcome(byte[] txHash, byte[] result)
{
//TODO: check witness
if (!Runtime.CheckWitness(admin))
{
Runtime.Notify("Checkwitness failed.");
return(false);
}
Storage.Put(Storage.CurrentContext, txHash, result);
//remove txHash from undoRequest map
Map <byte[], string> undoRequest = new Map <byte[], string>();
byte[] v = Storage.Get(Storage.CurrentContext, "UndoRequest");
if (v.Length != 0)
{
undoRequest = (Map <byte[], string>)Helper.Deserialize(v);
}
undoRequest.Remove(txHash);
byte[] b = Helper.Serialize(undoRequest);
Storage.Put(Storage.CurrentContext, "UndoRequest", b);
Runtime.Notify("SetOracleOutcome Done");
return(true);
}
public static bool IssueBond(string bondName, uint parValue, uint purchaseEndTime, uint interval, uint round, uint couponRate, ulong totalCap, byte[] Account)
{
if (!Runtime.CheckWitness(admin))
{
return(false);
}
if (purchaseEndTime <= Runtime.Time)
{
return(false);
}
if (totalCap < minIssueCap || round < minRound || couponRate <= 0 || interval < minInterval)
{
return(false);
}
if (!validateAddress(Account))
{
return(false);
}
BondItem bond = new BondItem();
bond.purchaseEndTime = purchaseEndTime;
bond.CouponRate = couponRate;
bond.Interval = interval;
bond.TotalCap = totalCap;
bond.remainCap = totalCap;
bond.Round = round;
bond.Maturity = purchaseEndTime + round * interval;
byte[] b = Helper.Serialize(bond);
Storage.Put(Storage.CurrentContext, bondPrefix.Concat(bondName.AsByteArray()), b);
return(true);
}
public static bool Revoke(byte[] claimId, byte[] ontId)
{
byte[] v = Storage.Get(Storage.CurrentContext, claimId);
if (v == null)
{
ErrorEvent(claimId, " not existed!");
return(false);
}
ClaimTx c = (ClaimTx)Helper.Deserialize(v);
if (c.status != 1)
{
ErrorEvent(claimId, " invalid status.");
return(false);
}
if (!EqualBytes(c.commiterId, ontId))
{
ErrorEvent(ontId, " invalid.");
return(false);
}
c.status = 0;
byte[] tx = Helper.Serialize(c);
Storage.Put(Storage.CurrentContext, claimId, tx);
PushEvent(ontId, " revoke claim: ", claimId);
return(true);
}
public static bool PayInterstOrPrincipal(string bondName, byte[] account)
{
if (!validateBond(bondName))
{
return(false);
}
byte[] investorKey = bondInvestorPrefix.Concat(bondName.AsByteArray()).Concat(account);
BigInteger balance = Storage.Get(Storage.CurrentContext, investorKey).AsBigInteger();
if (balance < minInvestCap)
{
return(false);
}
BondItem bond = (BondItem)Helper.Deserialize(GetBond(bondName));
byte[] paidKey = bondPaidPrefix.Concat(bondName.AsByteArray()).Concat(account);
BigInteger paidRound = Storage.Get(Storage.CurrentContext, paidKey).AsBigInteger();
BigInteger currentRound = (Runtime.Time - bond.purchaseEndTime) / bond.Interval;
if (paidRound > bond.Round)
{
return(false);
}
if (currentRound > bond.Round)
{
currentRound = bond.Round;
}
BigInteger investValue = Storage.Get(Storage.CurrentContext, investorKey).AsBigInteger();
BigInteger interst = (currentRound - paidRound) * (investValue * bond.CouponRate / 100);
byte[] ret;
if (currentRound == bond.Round)
{
ret = Native.Invoke(0, ontAddr, "transfer", new object[1] {
new Transfer {
From = bond.Account, To = account, Value = (ulong)(interst + investValue)
}
});
}
else
{
ret = Native.Invoke(0, ontAddr, "transfer", new object[1] {
new Transfer {
From = bond.Account, To = account, Value = (ulong)interst
}
});
}
if (ret[0] != 1)
{
return(false);
}
Storage.Put(Storage.CurrentContext, paidKey, paidRound + 1);
return(true);
}
public static bool InvestBond(string bondName, byte[] account, uint bondNumber)
{
if (!Runtime.CheckWitness(account))
{
return(false);
}
if (bondNumber <= 0 || !validateAddress(account) || !validateBond(bondName))
{
return(false);
}
BondItem bond = (BondItem)Helper.Deserialize(GetBond(bondName));
if (Runtime.Time > bond.purchaseEndTime)
{
Runtime.Notify("bond subscription has been ended.");
return(false);
}
uint investValue = bondNumber * bond.ParValue;
if (bond.remainCap < investValue)
{
Runtime.Notify("bond remain invest capacity not enough.");
return(false);
}
byte[] ret = Native.Invoke(0, ontAddr, "transfer", new object[1] {
new Transfer {
From = account, To = bond.Account, Value = investValue
}
});
if (ret[0] != 1)
{
return(false);
}
bond.remainCap = bond.TotalCap - investValue;
byte[] investorKey = bondInvestorPrefix.Concat(bondName.AsByteArray()).Concat(account);
BigInteger balance = Storage.Get(Storage.CurrentContext, investorKey).AsBigInteger();
Storage.Put(Storage.CurrentContext, investorKey, balance + investValue);
return(true);
}
public static void Main()
{
Map <string, int> m = new Map <string, int>();
m["k1"] = 100;
m["k2"] = 200;
Runtime.Notify(m["k1"]);
Runtime.Notify(m["k2"]);
// seriallize
byte[] b = Helper.Serialize(m);
Storage.Put(Storage.CurrentContext, "mapexample", b);
byte[] v = Storage.Get(Storage.CurrentContext, "mapexample");
// deserialize
Map <string, int> m2 = (Map <string, int>)Helper.Deserialize(v);
Runtime.Notify(m2["k1"]);
Runtime.Notify(m2["k2"]);
}
// claimId 文件哈希
// commiterId 具体描述
// ownerId ontid
public static bool Commit(byte[] claimId, byte[] commiterId, byte[] ownerId)
{
byte[] v = Storage.Get(Storage.CurrentContext, claimId);
if (v != null)
{
ErrorEvent(claimId, " existed!");
return(false);
}
ClaimTx c = new ClaimTx();
c.claimId = claimId;
c.status = 1;
c.commiterId = commiterId;
c.ownerId = ownerId;
byte[] tx = Helper.Serialize(c);
Storage.Put(Storage.CurrentContext, claimId, tx);
PushEvent(commiterId, " create new claim: ", claimId);
return(true);
}