private static bool WithdrawalAll(byte[] locker, byte[] assetId, byte[] address, BigInteger isGlobal)
{
if (address.Length != 20)
{
return(false);
}
byte[] from = ExecutionEngine.ExecutingScriptHash;
BigInteger balance = GetBalance(locker, assetId);
bool success = false;
if (isGlobal == 1)
{
success = NativeAsset.Call("TransferApp", assetId, from, address, balance);
}
else
{
var args = new object[] { from, address, balance };
var contract = (NEP5Contract)assetId.ToDelegate();
success = (bool)contract("transferApp", args);
}
if (success)
{
ReduceBalance(locker, assetId, balance);
EmitUnlocked(locker, assetId, address, balance);
return(true);
}
else
{
throw new Exception("Failed to withdrawal transfer");
}
}
private static bool Send(byte[] txid, byte[] originator, byte[] assetId, BigInteger amount)
{
if (assetId.Length != 20)
{
return(false);
}
if (originator.Length != 20)
{
return(false);
}
if (amount <= 0)
{
return(false);
}
var txidUsedKey = TxidUsedKey(txid);
var txidIsUsed = Storage.Get(Context(), txidUsedKey);
if (txidIsUsed.Length > 0)
{
return(false);
}
var twoLevelAmount = GetTwoLevelAmount();
if (amount >= twoLevelAmount)
{
var twoLevelMutiSign = GetTwoLevelMutiSign();
if (!Runtime.CheckWitness(twoLevelMutiSign))
{
return(false);
}
}
else
{
var oneLevelMutiSign = GetOneLevelMutiSign();
if (!Runtime.CheckWitness(oneLevelMutiSign))
{
return(false);
}
}
bool success = false;
byte[] from = ExecutionEngine.ExecutingScriptHash;
success = NativeAsset.Call("TransferApp", assetId, from, originator, amount);
if (success)
{
Storage.Put(Context(), txidUsedKey, 1);
EmitSend(txid, originator, assetId, amount);
return(true);
}
else
{
throw new Exception("Failed to withdrawal transfer");
}
}
private static bool Lock(byte[] assetId, byte[] from, BigInteger value)
{
if (!Runtime.CheckWitness(from))
{
return(false);
}
if (assetId.Length != 20)
{
return(false);
}
if (value <= 0)
{
return(false);
}
byte[] to = ExecutionEngine.ExecutingScriptHash;
bool success = false;
success = NativeAsset.Call("TransferFrom", assetId, from, to, value);
if (success)
{
EmitLocked(from, assetId, value);
return(true);
}
else
{
throw new Exception("Failed to TransferFrom");
}
}
/***********
* Withdrawal *
***********/
private static bool Withdrawal(byte[] originator, byte[] assetId, BigInteger amount, BigInteger isGlobal)
{
if (!Runtime.CheckWitness(originator))
{
return(false);
}
if (originator.Length != 20)
{
return(false);
}
var originatorBalance = GetAvailabelBalance(originator, assetId);
if (originatorBalance < amount)
{
return(false);
}
bool success = false;
byte[] from = ExecutionEngine.ExecutingScriptHash;
if (isGlobal == 1)
{
success = NativeAsset.Call("TransferApp", assetId, from, originator, amount);
}
if (isGlobal == 0)
{
var args = new object[] { from, originator, amount };
var contract = (NftContract)assetId.ToDelegate();
success = (bool)contract("transferApp", args);
}
if (success)
{
ReduceBalance(originator, assetId, amount);
ReduceAvailabelBalance(originator, assetId, amount);
EmitWithdrawn(originator, assetId, amount);
return(true);
}
else
{
throw new Exception("Failed to withdrawal transfer");
}
}
/***********
* Deposit *
***********/
private static bool Deposit(byte[] originator, byte[] assetId, BigInteger value, BigInteger isGlobal)
{
if (!Runtime.CheckWitness(originator))
{
return(false);
}
// Check that the contract is safe
if (!GetIsWhitelisted(assetId))
{
return(false);
}
byte[] to = ExecutionEngine.ExecutingScriptHash;
bool success = false;
//全局资产 native nep5
if (isGlobal == 1)
{
success = NativeAsset.Call("TransferFrom", assetId, originator, to, value);
}
if (isGlobal == 0)
{
var args = new object[] { originator, to, value };
var contract = (NftContract)assetId.ToDelegate();
success = (bool)contract("transferFrom", args);
}
if (success)
{
IncreaseBalance(originator, assetId, value);
IncreaseAvailableBalance(originator, assetId, value);
EmitDepositted(originator, assetId, value);
return(true);
}
else
{
throw new Exception("Failed to transferFrom");
}
}
public static object Main(string method, object[] args)
{
var magicstr = "Test_Contract_v0.35";
if (Runtime.Trigger == TriggerType.Application)
{
var callscript = ExecutionEngine.CallingScriptHash;
if (method == "witnessTest")
{
Notify(new byte[] { }, 0);
if (!Runtime.CheckWitness((byte[])args[0]))
{
return(false);
}
Notify((byte[])args[0], 1);
if (!Runtime.CheckWitness((byte[])args[1]))
{
return(false);
}
Notify((byte[])args[1], 2);
}
if (method == "set")
{
byte[] key = (byte[])args[0];
byte[] data = (byte[])args[1];
Storage.Put(Storage.CurrentContext, key, data);
}
if (method == "get")
{
byte[] key = (byte[])args[0];
return(Storage.Get(Storage.CurrentContext, key));
}
if (method == "test")
{
return(1);
}
if (method == "call")
{
return("yes");
}
if (method == "return")
{
byte[] asset_id = (byte[])args[0];
return(asset_id);
}
if (method == "getheight")
{
return(Blockchain.GetHeight());
}
if (method == "getheader")
{
var height = (uint)args[0];
return(Blockchain.GetHeader(height));
}
if (method == "strToByte")
{
var result = "hello world".AsByteArray();
return(result);
}
if (method == "balanceOf")
{
byte[] asset_id = (byte[])args[0];
byte[] address = (byte[])args[1];
var aa = NativeAsset.Call("BalanceOf", asset_id, address);
return(aa);
}
if (method == "balanceOf1")
{
var asset_id = new byte[] { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
byte[] address = (byte[])args[0];
var aa = NativeAsset.Call("BalanceOf", asset_id, address).AsBigInteger();
return(aa);
}
if (method == "transferFrom")
{
byte[] asset_id = (byte[])args[0];
byte[] from = (byte[])args[1];
byte[] to = (byte[])args[2];
BigInteger value = (BigInteger)args[3];
var para = new object[3] {
from, to, value
};
deleCall contract = (deleCall)asset_id.ToDelegate();
var aa = (bool)contract("transferFrom", para);
Runtime.Notify(1, aa);
var par = new object[2] {
from, to
};
BigInteger ba = (BigInteger)contract("allowance", par);
Runtime.Notify(1, ba);
}
if (method == "transferFrom1")
{
byte[] asset_id = (byte[])args[0];
byte[] from = (byte[])args[1];
byte[] to = (byte[])args[2];
BigInteger value = (BigInteger)args[3];
var success = NativeAsset.Call("TransferFrom", asset_id, from, to, value);
Runtime.Notify(1, success);
var par = new object[3] {
asset_id, from, to
};
BigInteger ba = NativeAsset.Call("Allowance", par).AsBigInteger();
Runtime.Notify(1, ba);
}
if (method == "transferApp")
{
byte[] asset_id = (byte[])args[0];
byte[] to = (byte[])args[1];
BigInteger value = (BigInteger)args[2];
byte[] from = ExecutionEngine.ExecutingScriptHash;
var para = new object[3] {
from, to, value
};
var contract = (deleCall)asset_id.ToDelegate();
var aa = (bool)contract("transferApp", para);
Runtime.Notify(from, to, value);
Runtime.Notify(1, aa);
}
if (method == "GetTransferLog")
{
byte[] asset_id = (byte[])args[0];
byte[] txid = (byte[])args[1];
var tInfo = new TransferInfo();
var info = NativeAsset.Call("GetTransferLog", asset_id, txid);
return(info);
}
if (method == "GetTransferLog3")
{
byte[] asset_id = (byte[])args[0];
byte[] txid = (byte[])args[1];
var tInfo = new TransferInfo();
var info = NativeAsset.GetTransferLog(asset_id, txid);
return(info.Value);
}
}
return(false);
}
private static bool Resonance(byte[] address, byte[] assetId, BigInteger value)
{
// Check that the contract is safe
if (!GetIsWhitelisted(assetId))
{
return(false);
}
var bcpHash = new byte[] { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
byte[] contract = ExecutionEngine.ExecutingScriptHash;
bool transferFromSuccess = false;
//转入 BTC/NEO 等
var args = new object[] { address, contract, value };
var deleCall = (deleContract)assetId.ToDelegate();
transferFromSuccess = (bool)deleCall("transferFrom", args);
if (transferFromSuccess)
{
//共振池总层数
BigInteger allLayer = 3756;
//每一层 BTC 数
BigInteger perLayerNum = 10 * 100000000;
//na1+n(n-1)d/2
//BigInteger allAmount = allLayer * 10 + allLayer * (allLayer - 1) * 10 / 2;
var balanceBytes = NativeAsset.Call("BalanceOf", bcpHash, contract);
//共振池 BCP 余额
BigInteger balance = balanceBytes.AsBigInteger();
if (balance <= 0)
{
throw new Exception("Resonance balance not enough!");
}
//当前共振池所在层
BigInteger curLayer = Storage.Get(Context(), "curLayer").AsBigInteger();
if (curLayer == 0)
{
curLayer = allLayer;
}
BigInteger newLayer = curLayer;
//可兑换 BCP 数量
BigInteger amount;
//当前层 BCP 余额 = 共振池余额 - 当前层以下所有层的总和
BigInteger curLayerBalance = balance - ((curLayer - 1) * perLayerNum + (curLayer - 1) * (curLayer - 2) * perLayerNum / 2);
if (curLayerBalance <= 0)
{
throw new Exception("Resonance balance not enough!");
}
//当前层可供兑换的 BTC 额度
BigInteger curLayerBtcLines = curLayerBalance / curLayer;
//当前层不够兑换
if (value >= curLayerBtcLines)
{
//池子中代币不足
if (value > curLayerBtcLines && newLayer <= 1)
{
throw new Exception("Resonance balance not enough!");
}
amount = curLayerBalance;
//未兑换的 BTC
BigInteger remainingBtc = value - curLayerBtcLines;
BigInteger n = remainingBtc / perLayerNum;
//10 的整数倍部分处理，10 个兑换一层
for (int i = 1; i <= n; i++)
{
amount += perLayerNum * (curLayer - i);
}
//整除 10 剩余部分
amount += (remainingBtc - n * perLayerNum) * (curLayer - n - 1);
//更新当前层高度
newLayer = curLayer - n - 1;
}
//当前层内足够兑换
else
{
amount = curLayer * value;
}
if (amount <= 0)
{
throw new Exception("Invalid available amount!");
}
bool TransferAppSuccess = NativeAsset.Call("TransferApp", bcpHash, contract, address, amount);
if (TransferAppSuccess)
{
Storage.Put(Context(), "curLayer", newLayer);
EmitResonance(address, assetId, value, amount);
return(true);
}
else
{
throw new Exception("Invalid available balance!");
}
}
return(false);
}