private static bool Lock(byte[] txid, byte[] locker, byte[] assetId, BigInteger isGlobal)
{
if (TxidUsed(txid))
{
return(false);
}
byte[] lockAddress = ExecutionEngine.ExecutingScriptHash;
//全局资产 native nep5
if (isGlobal == 1)
{
var tx = NativeAsset.GetTransferLog(assetId, txid);
if (tx.From.Length == 20 && tx.Value > 0 && tx.To == lockAddress)
{
IncreaseBalance(locker, assetId, tx.Value);
EmitLocked(locker, assetId, tx.Value);
}
}
else
{
var tx = GetTxInfo(assetId, txid);
if (tx.from.Length == 20 && tx.value > 0 && tx.to == lockAddress)
{
IncreaseBalance(locker, assetId, tx.value);
EmitLocked(locker, assetId, tx.value);
}
}
SetTxidUsed(txid);
return(true);
}
private static bool UpgradeNft(byte[] assetId, byte[] txid, byte[] tokenId, BigInteger receivableValue, BigInteger needPoint)
{
if (assetId.Length != 20 || txid.Length != 32 || tokenId.Length != 32)
{
return(false);
}
byte[] v = Storage.Get(Storage.CurrentContext, BctTxidUsedKey(txid));
if (v.Length != 0)
{
return(false);
}
var nftInfo = GetNftByTokenId(tokenId);
//冻结的不能升级
if (nftInfo.IsFrozen)
{
return(false);
}
byte[] gatherAddress = Storage.Get(Context(), "gatherAddress");
//获取 bct 转账信息
TransferLog tx = NativeAsset.GetTransferLog(assetId, txid);
if (tx.To != gatherAddress || (BigInteger)tx.Value < receivableValue)
{
return(false);
}
if (nftInfo.Owner != tx.From)
{
return(false);
}
if (nftInfo.AvailablePoint < needPoint)
{
return(false);
}
//升级
nftInfo.Grade += 1;
//扣除消耗贡献值
nftInfo.AvailablePoint -= needPoint;
SaveNftInfo(nftInfo);
SetTxUsed(txid);
//notify
Upgraded(tokenId, nftInfo.Owner, nftInfo.Grade - 1, nftInfo.Grade);
AddPointed(tokenId, nftInfo.Owner, 0 - needPoint, "upgrade".AsByteArray());
return(true);
}
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 BuyNewNft(byte[] assetId, byte[] txid, int count, byte[] inviterTokenId, BigInteger receivableValue, byte[] properties)
{
if (assetId.Length != 20 || txid.Length != 32 || inviterTokenId.Length != 32)
{
return(false);
}
if (count < 1 || receivableValue < 1)
{
return(false);
}
byte[] v = Storage.Get(Storage.CurrentContext, BctTxidUsedKey(txid));
if (v.Length != 0)
{
return(false);
}
//获取邀请者证书信息 未激活不能邀请
var inviterNftInfo = GetNftByTokenId(inviterTokenId);
if (inviterNftInfo.Owner.Length != 20)
{
return(false);
}
if (!inviterNftInfo.IsActivated)
{
return(false);
}
//判断是否已达数量上限
BigInteger nftCount = Storage.Get(Context(), "allNftCount").AsBigInteger();
BigInteger totalCount = Storage.Get(Context(), "totalCount").AsBigInteger();
if (nftCount + count > totalCount)
{
return(false);
}
byte[] gatherAddress = Storage.Get(Context(), "gatherAddress");
//获取 bct 转账信息
TransferLog tx = NativeAsset.GetTransferLog(assetId, txid);
//钱没给够或收款地址不对 false
if (tx.From.Length == 0 || tx.To != gatherAddress || (BigInteger)tx.Value < receivableValue)
{
return(false);
}
byte[] address = tx.From;
for (int i = 1; i <= count; i++)
{
NFTInfo nftInfo = CreateNft(address, inviterTokenId, i);
int num = (int)nftCount + i;
byte[] propertiesKey = PropertiesKey(nftInfo.TokenId);
Storage.Put(Context(), propertiesKey, properties);
SaveNftInfo(nftInfo);
MintedToken(address, nftInfo.TokenId, properties, inviterTokenId);
}
BigInteger userNftCount = GetUserNftCount(address);
Storage.Put(Context(), UserNftCountKey(address), userNftCount + count);
//更新数量
Storage.Put(Context(), "allNftCount", nftCount + count);
SetTxUsed(txid);
return(true);
}