public static bool initToken(byte[] addr)
{
if (addr.Length != 20)
{
throw new InvalidOperationException("The parameter addr SHOULD be 20-byte addresses.");
}
//check SAR
if (!checkState(SAR_STATE))
{
throw new InvalidOperationException("The sar state MUST be pause.");
}
var key = getSARKey(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
throw new InvalidOperationException("The sar must not be null.");
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
Operated(info.name.AsByteArray(), addr, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_INIT, 0);
Nep55Operated(info.name.AsByteArray(), addr, info.txid, info.anchor.AsByteArray(), info.symbol.AsByteArray(), info.decimals);
return(true);
}
public static SARInfo getSAR4B(byte[] addr)
{
var key = getSARKey(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
return(null);
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
return(info);
}
private static bool createSAR4B(byte[] addr, SARInfo sar)
{
byte[] key = getSARKey(addr);
byte[] sarCurr = Storage.Get(Storage.CurrentContext, key);
if (sarCurr.Length > 0)
{
return(false);
}
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(sar));
//notify
Operated(sar.name.AsByteArray(), addr, txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_OPEN, 0);
return(true);
}
public static bool settingSAR(string name, byte[] addr)
{
if (addr.Length != 20)
{
throw new InvalidOperationException("The parameter addr SHOULD be 20-byte addresses.");
}
var key = getSARKey(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
throw new InvalidOperationException("The sar must not be null.");
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
if (info.owner.AsBigInteger() != addr.AsBigInteger())
{
throw new InvalidOperationException("The sar must be self.");
}
info.status = (int)ConfigSARStatus.SAR_STATUS_CLOSE;
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = info.txid;
detail.txid = txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_SHUT;
detail.operated = 0;
detail.hasLocked = info.locked;
detail.hasDrawed = info.hasDrawed;
Storage.Put(Storage.CurrentContext, getTxidKey(txid), Helper.Serialize(detail));
//notify
Operated(info.name.AsByteArray(), committee, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_SHUT, 0);
return(true);
}
public static bool settingSAR(string name, byte[] addr)
{
if (addr.Length != 20)
{
return(false);
}
var key = new byte[] { 0x12 }.Concat(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
return(false);
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
// SAR制造者操作
if (info.owner.AsBigInteger() != addr.AsBigInteger())
{
return(false);
}
info.status = (int)ConfigSARStatus.SAR_STATUS_CLOSE;
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
//记录交易详细数据
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = info.txid;
detail.txid = txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_SHUT;
detail.operated = 0;
detail.hasLocked = info.locked;
detail.hasDrawed = info.hasDrawed;
Storage.Put(Storage.CurrentContext, new byte[] { 0x13 }.Concat(txid), Helper.Serialize(detail));
//触发操作事件
Operated(info.name.AsByteArray(), admin, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_SHUT, 0);
return(true);
}
private static bool migrateSAR4B(byte[] addr)
{
if (addr.Length != 20)
{
throw new InvalidOperationException("The parameter addr SHOULD be 20-byte addresses.");
}
//check SAR
if (checkState(SAR_STATE))
{
throw new InvalidOperationException("The sar state MUST be pause.");
}
//check SAR
var key = getSARKey(addr);
byte[] bytes = Storage.Get(Storage.CurrentContext, key);
if (bytes.Length == 0)
{
throw new InvalidOperationException("The sar can not be null.");
}
SARInfo sarInfo = Helper.Deserialize(bytes) as SARInfo;
BigInteger locked = sarInfo.locked;
BigInteger hasDrawed = sarInfo.hasDrawed;
byte[] newSARID = Storage.Get(Storage.CurrentContext, getAccountKey(STORAGE_ACCOUNT_NEW.AsByteArray()));
byte[] from = ExecutionEngine.ExecutingScriptHash;
byte[] sdsAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(SDS_ACCOUNT.AsByteArray()));
{
object[] arg = new object[3];
arg[0] = from;
arg[1] = newSARID;
arg[2] = locked;
var nep5Contract = (NEP5Contract)sdsAssetID.ToDelegate();
if (!(bool)nep5Contract("transfer_contract", arg))
{
throw new InvalidOperationException("The sar operation is exception.");
}
}
{
var newContract = (NEP5Contract)newSARID.ToDelegate();
object[] args = new object[9];
args[0] = addr;
args[1] = sarInfo.txid;
args[2] = sarInfo.name;
args[3] = sarInfo.symbol;
args[4] = sarInfo.decimals;
args[5] = sarInfo.locked;
args[6] = sarInfo.hasDrawed;
args[7] = sarInfo.status;
args[8] = sarInfo.anchor;
if (!(bool)newContract("createSAR4B", args))
{
throw new InvalidOperationException("The sar operation is exception.");
}
}
sarInfo.locked = 0;
sarInfo.hasDrawed = 0;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(sarInfo));
return(true);
}
public static bool redeem(byte[] addr, byte[] sarAddr)
{
if (addr.Length != 20)
{
throw new InvalidOperationException("The parameter addr SHOULD be 20-byte addresses.");
}
if (sarAddr.Length != 20)
{
throw new InvalidOperationException("The parameter sarAddr SHOULD be 20-byte addresses.");
}
if (!checkState(SAR_STATE))
{
throw new InvalidOperationException("The sar state MUST be pause.");
}
var key = getSARKey(sarAddr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
throw new InvalidOperationException("The sar must not be null.");
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
if (info.status != (int)ConfigSARStatus.SAR_STATUS_CLOSE)
{
throw new InvalidOperationException("The parameter is exception.");
}
byte[] sdsAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(SDS_ACCOUNT.AsByteArray()));
byte[] oracleAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(ORACLE_ACCOUNT.AsByteArray()));
byte[] tokenizedAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(TOKENIZED_ACCOUNT.AsByteArray()));
byte[] from = ExecutionEngine.ExecutingScriptHash;
string name = info.name;
object[] arg = new object[2];
arg[0] = name;
arg[1] = addr;
BigInteger balance = 0;
{
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
balance = (BigInteger)TokenizedContract("balanceOf", arg);
if (balance <= 0)
{
throw new InvalidOperationException("The parameter is exception.");
}
}
BigInteger totalSupply = 0;
{
arg = new object[1];
arg[0] = name;
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
totalSupply = (BigInteger)TokenizedContract("totalSupply", arg);
if (totalSupply <= 0)
{
throw new InvalidOperationException("The parameter is exception.");
}
}
BigInteger redeem = balance * info.locked / totalSupply;
if (redeem <= 0)
{
throw new InvalidOperationException("The parameter is exception.");
}
arg = new object[3];
arg[0] = name;
arg[1] = addr;
arg[2] = balance;
var TokenizedContract2 = (NEP5Contract)tokenizedAssetID.ToDelegate();
if (!(bool)TokenizedContract2("destory", arg))
{
throw new InvalidOperationException("The parameter is exception.");
}
info.locked = info.locked - redeem;
info.hasDrawed = info.hasDrawed - balance;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
var redeemKey = getRedeemKey(addr);
BigInteger redeemBalance = Storage.Get(Storage.CurrentContext, redeemKey).AsBigInteger();
Storage.Put(Storage.CurrentContext, redeemKey, redeemBalance + redeem);
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
//notify
Operated(info.name.AsByteArray(), addr, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_REDEEM, redeem);
return(true);
}
public static bool redeem(byte[] addr, byte[] sarAddr, byte[] sdsAssetID, byte[] oracleAssetID, byte[] tokenizedAssetID)
{
if (addr.Length != 20)
{
return(false);
}
var key = new byte[] { 0x12 }.Concat(sarAddr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
return(false);
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
//SAR状态,必须是关闭状态
if (info.status != (int)ConfigSARStatus.SAR_STATUS_CLOSE)
{
return(false);
}
//转账给用户SDS
byte[] from = Storage.Get(Storage.CurrentContext, STORAGE_ACCOUNT);
if (from.Length == 0)
{
return(false);
}
//清算的币种
string name = info.name;
//调用标准查询余额
object[] arg = new object[2];
arg[0] = name;
arg[1] = addr;
BigInteger balance = 0;
{
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
balance = (BigInteger)TokenizedContract("balanceOf", arg);
if (balance <= 0)
{
return(false);
}
}
BigInteger totalSupply = 0;
{
arg = new object[1];
arg[0] = name;
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
totalSupply = (BigInteger)TokenizedContract("totalSupply", arg);
if (totalSupply <= 0)
{
return(false);
}
}
BigInteger sds_price = 0;
BigInteger anchor_price = 0;
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
//调用Oracle,查询SDS价格，如：8$=价格*100000000
arg = new object[1];
arg[0] = CONFIG_SDS_PRICE;
sds_price = (BigInteger)OracleContract("getPrice", arg);
}
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
//调用Oracle,查询锚定价格，如：100$=价格*100000000
arg = new object[1];
arg[0] = info.anchor;
anchor_price = (BigInteger)OracleContract("getPrice", arg);
}
//计算可赎回的SDS
BigInteger redeem = balance * info.locked / totalSupply;
if (redeem <= 0)
{
return(false);
}
//销毁用户的稳定代币
arg = new object[3];
arg[0] = name;
arg[1] = addr;
arg[2] = balance;
var TokenizedContract2 = (NEP5Contract)tokenizedAssetID.ToDelegate();
if (!(bool)TokenizedContract2("destory", arg))
{
return(false);
}
object[] param = new object[3];
param[0] = from;
param[1] = addr;
param[2] = redeem;
var SDSContract = (NEP5Contract)sdsAssetID.ToDelegate();
if (!(bool)SDSContract("transfer_contract", param))
{
return(false);
}
info.locked = info.locked - redeem;
info.hasDrawed = info.hasDrawed - balance;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
//记录交易详细数据
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = info.txid;
detail.txid = txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_REDEEM;
detail.operated = redeem;
detail.hasLocked = info.locked;
detail.hasDrawed = info.hasDrawed;
Storage.Put(Storage.CurrentContext, new byte[] { 0x13 }.Concat(txid), Helper.Serialize(detail));
//触发操作事件
Operated(info.name.AsByteArray(), addr, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_REDEEM, redeem);
return(true);
}
public static bool contract(string name, byte[] addr, BigInteger value)
{
if (addr.Length != 20)
{
throw new InvalidOperationException("The parameter addr SHOULD be 20-byte addresses.");
}
if (value <= 0)
{
throw new InvalidOperationException("The param is exception.");
}
if (!checkState(SAR_STATE))
{
throw new InvalidOperationException("The sar state MUST be pause.");
}
var key = getSARKey(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
throw new InvalidOperationException("The sar must not be null.");
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
if (info.owner.AsBigInteger() != addr.AsBigInteger())
{
throw new InvalidOperationException("The param is exception.");
}
if (info.status == (int)ConfigSARStatus.SAR_STATUS_CLOSE)
{
throw new InvalidOperationException("The param is exception.");
}
byte[] tokenizedAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(TOKENIZED_ACCOUNT.AsByteArray()));
BigInteger hasDrawed = info.hasDrawed;
if (value > hasDrawed)
{
throw new InvalidOperationException("The param is exception.");
}
object[] arg = new object[3];
arg[0] = name;
arg[1] = addr;
arg[2] = value;
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
if (!(bool)TokenizedContract("destory", arg))
{
throw new InvalidOperationException("The param is exception.");
}
info.hasDrawed = hasDrawed - value;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = info.txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_CONTRACT;
detail.operated = value;
detail.hasLocked = info.locked;
detail.hasDrawed = info.hasDrawed;
detail.txid = txid;
Storage.Put(Storage.CurrentContext, getTxidKey(txid), Helper.Serialize(detail));
//notify
Operated(name.AsByteArray(), addr, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_CONTRACT, value);
return(true);
}
public static bool initToken(byte[] addr, byte[] oracleAssetID, byte[] sdsAssetID, byte[] tokenizedAssetID)
{
//判断该地址是否拥有SAR
var key = new byte[] { 0x12 }.Concat(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
return(false);
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
//验证name
object[] arg = new object[1];
arg[0] = info.name;
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
string str = (string)TokenizedContract("name", arg);
if (str.Length > 0)
{
return(false);
}
byte[] to = Storage.Get(Storage.CurrentContext, STORAGE_ACCOUNT);
if (to.Length == 0)
{
return(false);
}
//当前兑换率，默认是100，需要从配置中心获取
BigInteger serviceFree = 1000000000;
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
//调用Oracle,查询手续费，如：50 => 50%
arg = new object[1];
arg[0] = SERVICE_FEE;
BigInteger re = (BigInteger)OracleContract("getConfig", arg);
if (re != 0)
{
serviceFree = re;
}
}
//转入抵押手续费
arg = new object[3];
arg[0] = addr;
arg[1] = to;
arg[2] = serviceFree;
var SDSContract = (NEP5Contract)sdsAssetID.ToDelegate();
if (!(bool)SDSContract("transfer", arg))
{
return(false);
}
info.locked = info.locked + serviceFree;
arg = new object[4];
arg[0] = info.name;
arg[1] = info.symbol;
arg[2] = info.decimals;
arg[3] = addr;
//保存标准
var TokenizedContract2 = (NEP5Contract)tokenizedAssetID.ToDelegate();
if (!(bool)TokenizedContract2("init", arg))
{
return(false);
}
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
//交易详细信息
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = info.txid;
detail.txid = txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_INIT;
detail.operated = 0;
detail.hasLocked = 0;
detail.hasDrawed = 0;
Storage.Put(Storage.CurrentContext, new byte[] { 0x13 }.Concat(txid), Helper.Serialize(detail));
//触发操作事件
Operated(info.name.AsByteArray(), addr, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_INIT, 0);
return(true);
}
/*开启一个新的债仓*/
public static bool openSAR4B(string name, string symbol, byte decimals, byte[] addr, string anchor, byte[] oracleAssetID, byte[] tokenizedAssetID)
{
if (addr.Length != 20)
{
return(false);
}
//判断该地址是否拥有SAR
var key = new byte[] { 0x12 }.Concat(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length != 0)
{
return(false);
}
{
//调用标准合约
object[] arg = new object[1];
arg[0] = name;
//验证name
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
string str = (string)TokenizedContract("name", arg);
if (str.Length > 0)
{
return(false);
}
}
{
//判断是否是白名单
object[] arg = new object[1];
arg[0] = anchor;
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
BigInteger re = (BigInteger)OracleContract("getConfig", arg);
if (re != 1)
{
return(false);
}
}
byte[] txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
SARInfo info = new SARInfo();
info.symbol = symbol;
info.decimals = 8;
info.name = name;
info.hasDrawed = 0;
info.locked = 0;
info.owner = addr;
info.txid = txid;
info.status = 1;
info.anchor = anchor;
//保存SAR
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
//交易详细信息
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = txid;
detail.txid = txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_OPEN;
detail.operated = 0;
detail.hasLocked = 0;
detail.hasDrawed = 0;
Storage.Put(Storage.CurrentContext, new byte[] { 0x13 }.Concat(txid), Helper.Serialize(detail));
//触发操作事件
Operated(name.AsByteArray(), addr, txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_OPEN, 0);
return(true);
}
/*返还部分仓位*/
public static bool contract(string name, byte[] addr, BigInteger value, byte[] tokenizedAssetID)
{
if (addr.Length != 20)
{
return(false);
}
if (value == 0)
{
return(false);
}
var key = new byte[] { 0x12 }.Concat(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
return(false);
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
// SAR制造者操作
if (info.owner.AsBigInteger() != addr.AsBigInteger())
{
return(false);
}
//SAR状态
if (info.status == (int)ConfigSARStatus.SAR_STATUS_CLOSE)
{
return(false);
}
byte[] to = Storage.Get(Storage.CurrentContext, STORAGE_ACCOUNT);
if (to.Length == 0)
{
return(false);
}
BigInteger hasDrawed = info.hasDrawed;
//不能超过已经获取
if (value > hasDrawed)
{
return(false);
}
object[] arg = new object[3];
arg[0] = name;
arg[1] = addr;
arg[2] = value;
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
if (!(bool)TokenizedContract("destory", arg))
{
return(false);
}
info.hasDrawed = hasDrawed - value;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
//记录交易详细数据
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = info.txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_CONTRACT;
detail.operated = value;
detail.hasLocked = info.locked;
detail.hasDrawed = info.hasDrawed;
detail.txid = txid;
Storage.Put(Storage.CurrentContext, new byte[] { 0x13 }.Concat(txid), Helper.Serialize(detail));
//触发操作事件
Operated(name.AsByteArray(), addr, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_CONTRACT, value);
return(true);
}
/*提现抵押资产*/
public static bool destory(string name, byte[] addr, byte[] oracleAssetID, byte[] sdsAssetID, byte[] tokenizedAssetID)
{
if (addr.Length != 20)
{
return(false);
}
var key = new byte[] { 0x12 }.Concat(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
return(false);
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
// SAR制造者操作
if (info.owner.AsBigInteger() != addr.AsBigInteger())
{
return(false);
}
//SAR状态
if (info.status == (int)ConfigSARStatus.SAR_STATUS_CLOSE)
{
return(false);
}
byte[] to = Storage.Get(Storage.CurrentContext, STORAGE_ACCOUNT);
if (to.Length == 0)
{
return(false);
}
BigInteger locked = info.locked;
BigInteger hasDrawed = info.hasDrawed;
object[] arg = new object[0];
BigInteger sds_price = 0;
BigInteger anchor_price = 0;
//当前兑换率，默认是100，需要从配置中心获取
BigInteger serviceFree = 1000000000;
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
//调用Oracle,查询手续费，如：1000000000
arg = new object[1];
arg[0] = SERVICE_FEE;
BigInteger re = (BigInteger)OracleContract("getConfig", arg);
if (re != 0)
{
serviceFree = re;
}
}
//总量大于固定费率，不能操作
if (locked > serviceFree)
{
return(false);
}
byte[] from = Storage.Get(Storage.CurrentContext, STORAGE_ACCOUNT);
if (from.Length == 0)
{
return(false);
}
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
object[] param = new object[3];
param[0] = from;
param[1] = addr;
param[2] = locked;
var SDSContract = (NEP5Contract)sdsAssetID.ToDelegate();
if (!(bool)SDSContract("transfer_contract", param))
{
return(false);
}
param = new object[2];
param[0] = name;
param[1] = addr;
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
if (!(bool)TokenizedContract("close", param))
{
return(false);
}
info.locked = 0;
info.status = (int)ConfigSARStatus.SAR_STATUS_CLOSE;
//Storage.Put(Storage.CurrentContext,key, Helper.Serialize(info));
Storage.Delete(Storage.CurrentContext, key);
//记录交易详细数据
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = info.txid;
detail.txid = txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_DESTORY;
detail.operated = locked;
detail.hasLocked = 0;
detail.hasDrawed = hasDrawed;
Storage.Put(Storage.CurrentContext, new byte[] { 0x13 }.Concat(txid), Helper.Serialize(detail));
//触发操作事件
Operated(name.AsByteArray(), addr, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_DESTORY, locked);
return(true);
}
/*提现抵押资产*/
public static bool withdraw(string name, byte[] addr, BigInteger value, byte[] oracleAssetID, byte[] sdsAssetID, byte[] tokenizedAssetID)
{
if (addr.Length != 20)
{
return(false);
}
if (value == 0)
{
return(false);
}
var key = new byte[] { 0x12 }.Concat(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
return(false);
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
// SAR制造者操作
if (info.owner.AsBigInteger() != addr.AsBigInteger())
{
return(false);
}
//SAR状态
if (info.status == (int)ConfigSARStatus.SAR_STATUS_CLOSE)
{
return(false);
}
byte[] to = Storage.Get(Storage.CurrentContext, STORAGE_ACCOUNT);
if (to.Length == 0)
{
return(false);
}
BigInteger locked = info.locked;
BigInteger hasDrawed = info.hasDrawed;
object[] arg = new object[0];
BigInteger sds_price = 0;
BigInteger anchor_price = 0;
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
//调用Oracle,查询SDS价格，如：8$=价格*100000000
arg = new object[1];
arg[0] = CONFIG_SDS_PRICE;
sds_price = (BigInteger)OracleContract("getPrice", arg);
}
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
//调用Oracle,查询锚定价格，如：100$=价格*100000000
arg = new object[1];
arg[0] = info.anchor;
anchor_price = (BigInteger)OracleContract("getPrice", arg);
}
//当前兑换率，默认是100，需要从配置中心获取
BigInteger rate = 100;
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
//调用Oracle,查询抵押率，如：50 => 50%
arg = new object[1];
arg[0] = CONFIG_LIQUIDATION_RATE_B;
BigInteger re = (BigInteger)OracleContract("getConfig", arg);
if (re != 0)
{
rate = re;
}
}
//当前兑换率，默认是100，需要从配置中心获取
BigInteger serviceFree = 1000000000;
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
//调用Oracle,查询手续费，如：1000000000
arg = new object[1];
arg[0] = SERVICE_FEE;
BigInteger re = (BigInteger)OracleContract("getConfig", arg);
if (re != 0)
{
serviceFree = re;
}
}
//计算已经兑换SDS量
BigInteger hasDrawSDS = hasDrawed * rate * FOURTEEN_POWER / (sds_price * anchor_price);
//释放的总量大于已经剩余，不能操作
if (value > locked - hasDrawSDS)
{
return(false);
}
//剩余必须大于
if (locked - value < serviceFree)
{
return(false);
}
byte[] from = Storage.Get(Storage.CurrentContext, STORAGE_ACCOUNT);
if (from.Length == 0)
{
return(false);
}
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
object[] param = new object[3];
param[0] = from;
param[1] = addr;
param[2] = value;
var SDSContract = (NEP5Contract)sdsAssetID.ToDelegate();
if (!(bool)SDSContract("transfer_contract", param))
{
return(false);
}
//重新设置锁定量
info.locked = locked - value;
////提现为0了，需要关闭token
//if (info.locked == 0)
//{
// param = new object[2];
// param[0] = name;
// param[1] = addr;
// var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
// if (!(bool)TokenizedContract("close", param)) return false;
//}
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
//记录交易详细数据
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = info.txid;
detail.txid = txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_WITHDRAW;
detail.operated = value;
detail.hasLocked = locked - value;
detail.hasDrawed = hasDrawed;
Storage.Put(Storage.CurrentContext, new byte[] { 0x13 }.Concat(txid), Helper.Serialize(detail));
//触发操作事件
Operated(name.AsByteArray(), addr, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_WITHDRAW, value);
return(true);
}
public static bool withdraw(string name, byte[] addr, BigInteger value)
{
if (addr.Length != 20)
{
throw new InvalidOperationException("The parameter addr SHOULD be 20-byte addresses.");
}
if (value <= 0)
{
throw new InvalidOperationException("The parameter addr SHOULD be 20-byte addresses.");
}
if (!checkState(SAR_STATE))
{
throw new InvalidOperationException("The sar state MUST be pause.");
}
var key = getSARKey(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
throw new InvalidOperationException("The sar must not be null.");
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
if (info.owner.AsBigInteger() != addr.AsBigInteger())
{
throw new InvalidOperationException("The sar must be self.");
}
if (info.status == (int)ConfigSARStatus.SAR_STATUS_CLOSE)
{
throw new InvalidOperationException("The sar status must not be close.");
}
byte[] oracleAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(ORACLE_ACCOUNT.AsByteArray()));
byte[] sdsAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(SDS_ACCOUNT.AsByteArray()));
byte[] tokenizedAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(TOKENIZED_ACCOUNT.AsByteArray()));
BigInteger locked = info.locked;
BigInteger hasDrawed = info.hasDrawed;
object[] arg = new object[0];
BigInteger sds_price = 0;
BigInteger anchor_price = 0;
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
arg = new object[1];
arg[0] = CONFIG_SDS_PRICE;
sds_price = (BigInteger)OracleContract("getTypeB", arg);
}
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
arg = new object[1];
arg[0] = info.anchor;
anchor_price = (BigInteger)OracleContract("getTypeB", arg);
}
BigInteger rate = 100;
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
arg = new object[1];
arg[0] = CONFIG_LIQUIDATION_RATE_B;
BigInteger re = (BigInteger)OracleContract("getTypeA", arg);
if (re != 0)
{
rate = re;
}
}
BigInteger serviceFree = 1000000000;
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
arg = new object[1];
arg[0] = SERVICE_FEE;
BigInteger re = (BigInteger)OracleContract("getTypeA", arg);
if (re != 0)
{
serviceFree = re;
}
}
BigInteger hasDrawSDS = hasDrawed * rate * FOURTEEN_POWER / (sds_price * anchor_price);
if (value > locked - hasDrawSDS)
{
throw new InvalidOperationException("The param is exception.");
}
if (locked - value < serviceFree)
{
throw new InvalidOperationException("The param is exception.");
}
byte[] from = ExecutionEngine.ExecutingScriptHash;
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
object[] param = new object[3];
param[0] = from;
param[1] = addr;
param[2] = value;
var SDSContract = (NEP5Contract)sdsAssetID.ToDelegate();
if (!(bool)SDSContract("transfer_contract", param))
{
throw new InvalidOperationException("The operation is exception.");
}
info.locked = locked - value;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = info.txid;
detail.txid = txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_WITHDRAW;
detail.operated = value;
detail.hasLocked = locked - value;
detail.hasDrawed = hasDrawed;
Storage.Put(Storage.CurrentContext, getTxidKey(txid), Helper.Serialize(detail));
//notify
Operated(name.AsByteArray(), addr, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_WITHDRAW, value);
return(true);
}
public static Object Main(string operation, params object[] args)
{
var magicstr = "2018-11-23 14:45";
if (Runtime.Trigger == TriggerType.Verification)
{
return(false);
}
else if (Runtime.Trigger == TriggerType.Application)
{
var callscript = ExecutionEngine.CallingScriptHash;
if (operation == "getSAR4B")
{
if (args.Length != 1)
{
return(false);
}
byte[] addr = (byte[])args[0];
return(getSAR4B(addr));
}
if (operation == "openSAR4B")
{
if (args.Length != 5)
{
return(false);
}
string name = (string)args[0];
string symbol = (string)args[1];
byte decimals = (byte)args[2];
byte[] addr = (byte[])args[3];
string anchor = (string)args[4];
if (!Runtime.CheckWitness(addr))
{
return(false);
}
return(openSAR4B(name, symbol, decimals, addr, anchor));
}
/**An example of upgrade 'accept' method, the createSARBC interface should been
* implemented in the following new SARBC contract
*/
if (operation == "createSAR4B")
{
if (args.Length != 9)
{
return(false);
}
byte[] addr = (byte[])args[0];
byte[] txid = (byte[])args[1];
string name = (string)args[2];
string symbol = (string)args[3];
byte decimals = (byte)args[4];
BigInteger locked = (BigInteger)args[5];
BigInteger hasDrawed = (BigInteger)args[6];
int status = (int)args[7];
string anchor = (string)args[8];
SARInfo sar = new SARInfo();
sar.symbol = symbol;
sar.anchor = anchor;
sar.name = name;
sar.decimals = decimals;
sar.locked = locked;
sar.hasDrawed = hasDrawed;
sar.owner = addr;
sar.status = status;
sar.txid = txid;
byte[] account = Storage.Get(Storage.CurrentContext, getAccountKey(STORAGE_ACCOUNT_OLD.AsByteArray()));
if (account.AsBigInteger() != callscript.AsBigInteger())
{
return(false);
}
return(createSAR4B(addr, sar));
}
//Migrate SAR account to new contract by owner of SAR
if (operation == "migrateSAR4B")
{
if (args.Length != 1)
{
return(false);
}
byte[] addr = (byte[])args[0];
if (!Runtime.CheckWitness(addr))
{
return(false);
}
return(migrateSAR4B(addr));
}
if (operation == "initToken")
{
if (args.Length != 1)
{
return(false);
}
byte[] addr = (byte[])args[0];
if (!Runtime.CheckWitness(addr))
{
return(false);
}
return(initToken(addr));
}
//lock SDS to SAR as collateral
if (operation == "reserve")
{
if (args.Length != 3)
{
return(false);
}
string name = (string)args[0];
byte[] addr = (byte[])args[1];
BigInteger value = (BigInteger)args[2];
if (!Runtime.CheckWitness(addr))
{
return(false);
}
return(reserve(name, addr, value));
}
//issue stablecoin
if (operation == "expande")
{
if (args.Length != 3)
{
return(false);
}
string name = (string)args[0];
byte[] addr = (byte[])args[1];
BigInteger value = (BigInteger)args[2];
if (!Runtime.CheckWitness(addr))
{
return(false);
}
return(expande(name, addr, value));
}
//payback stablecoin
if (operation == "contract")
{
if (args.Length != 3)
{
return(false);
}
string name = (string)args[0];
byte[] addr = (byte[])args[1];
BigInteger value = (BigInteger)args[2];
if (!Runtime.CheckWitness(addr))
{
return(false);
}
return(contract(name, addr, value));
}
//get SDS from SAR
if (operation == "withdraw")
{
if (args.Length != 3)
{
return(false);
}
string name = (string)args[0];
byte[] addr = (byte[])args[1];
BigInteger value = (BigInteger)args[2];
if (!Runtime.CheckWitness(addr))
{
return(false);
}
return(withdraw(name, addr, value));
}
if (operation == "claimRedeem")
{
if (args.Length != 1)
{
return(false);
}
byte[] addr = (byte[])args[0];
if (!Runtime.CheckWitness(addr))
{
return(false);
}
return(claimRedeem(addr));
}
if (operation == "setAccount")
{
if (args.Length != 2)
{
return(false);
}
string key = (string)args[0];
byte[] address = (byte[])args[1];
//only committee account
if (!checkAdmin())
{
return(false);
}
return(setAccount(key, address));
}
//stablecoin holder can redeem locked SDS if this SAR is unsafe
if (operation == "redeem")
{
if (args.Length != 2)
{
return(false);
}
byte[] addr = (byte[])args[0];
byte[] sarAddr = (byte[])args[1];
if (!Runtime.CheckWitness(addr))
{
return(false);
}
return(redeem(addr, sarAddr));
}
if (operation == "settingSAR")
{
if (args.Length != 2)
{
return(false);
}
string name = (string)args[0];
byte[] addr = (byte[])args[1];
//only committee account
if (!checkAdmin())
{
return(false);
}
return(settingSAR(name, addr));
}
if (operation == "setConfig")
{
if (args.Length != 2)
{
return(false);
}
string key = (string)args[0];
BigInteger value = (BigInteger)args[1];
//only committee account
if (!checkAdmin())
{
return(false);
}
return(setConfig(key, value));
}
if (operation == "destory")
{
if (args.Length != 2)
{
return(false);
}
string name = (string)args[0];
byte[] addr = (byte[])args[1];
if (!Runtime.CheckWitness(addr))
{
return(false);
}
return(destory(name, addr));
}
if (operation == "getConfig")
{
if (args.Length != 1)
{
return(false);
}
string key = (string)args[0];
return(getConfig(key));
}
if (operation == "getSARTxInfo")
{
if (args.Length != 1)
{
return(false);
}
byte[] txid = (byte[])args[0];
return(getSARTxInfo(txid));
}
#region contract upgrade
if (operation == "upgrade")
{
//only committee account
if (!checkAdmin())
{
return(false);
}
if (args.Length != 1 && args.Length != 9)
{
return(false);
}
byte[] script = Blockchain.GetContract(ExecutionEngine.ExecutingScriptHash).Script;
byte[] new_script = (byte[])args[0];
if (script == new_script)
{
return(false);
}
byte[] parameter_list = new byte[] { 0x07, 0x10 };
byte return_type = 0x05;
//1|2|4
bool need_storage = (bool)(object)07;
string name = "business";
string version = "1";
string author = "alchemint";
string email = "0";
string description = "alchemint";
if (args.Length == 9)
{
parameter_list = (byte[])args[1];
return_type = (byte)args[2];
need_storage = (bool)args[3];
name = (string)args[4];
version = (string)args[5];
author = (string)args[6];
email = (string)args[7];
description = (string)args[8];
}
Contract.Migrate(new_script, parameter_list, return_type, need_storage, name, version, author, email, description);
return(true);
}
#endregion
}
return(true);
}
public static bool destory(string name, byte[] addr)
{
if (addr.Length != 20)
{
throw new InvalidOperationException("The parameter addr SHOULD be 20-byte addresses.");
}
if (!checkState(SAR_STATE))
{
throw new InvalidOperationException("The sar state MUST be pause.");
}
var key = getSARKey(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
throw new InvalidOperationException("The sar must not be null.");
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
if (info.owner.AsBigInteger() != addr.AsBigInteger())
{
throw new InvalidOperationException("The operation is exception.");
}
if (info.status == (int)ConfigSARStatus.SAR_STATUS_CLOSE)
{
throw new InvalidOperationException("The operation is exception.");
}
byte[] oracleAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(ORACLE_ACCOUNT.AsByteArray()));
byte[] sdsAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(SDS_ACCOUNT.AsByteArray()));
byte[] tokenizedAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(TOKENIZED_ACCOUNT.AsByteArray()));
byte[] from = ExecutionEngine.ExecutingScriptHash;
BigInteger locked = info.locked;
BigInteger hasDrawed = info.hasDrawed;
object[] arg = new object[0];
BigInteger serviceFree = 1000000000;
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
arg = new object[1];
arg[0] = SERVICE_FEE;
BigInteger re = (BigInteger)OracleContract("getTypeA", arg);
if (re != 0)
{
serviceFree = re;
}
}
if (locked > serviceFree)
{
throw new InvalidOperationException("The param is exception.");
}
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
object[] param = new object[3];
param[0] = from;
param[1] = addr;
param[2] = locked;
var SDSContract = (NEP5Contract)sdsAssetID.ToDelegate();
if (!(bool)SDSContract("transfer_contract", param))
{
throw new InvalidOperationException("The operation is exception.");
}
param = new object[2];
param[0] = name;
param[1] = addr;
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
if (!(bool)TokenizedContract("close", param))
{
throw new InvalidOperationException("The operation is exception.");
}
Storage.Delete(Storage.CurrentContext, key);
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = info.txid;
detail.txid = txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_DESTORY;
detail.operated = locked;
detail.hasLocked = 0;
detail.hasDrawed = hasDrawed;
Storage.Put(Storage.CurrentContext, getTxidKey(txid), Helper.Serialize(detail));
//notify
Operated(name.AsByteArray(), addr, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_DESTORY, locked);
return(true);
}
public static bool expande(string name, byte[] addr, BigInteger value)
{
if (addr.Length != 20)
{
throw new InvalidOperationException("The parameter addr SHOULD be 20-byte addresses.");
}
if (value <= 0)
{
throw new InvalidOperationException("The parameter is exception.");
}
//check SAR
if (!checkState(SAR_STATE))
{
throw new InvalidOperationException("The sar state MUST be pause.");
}
var key = getSARKey(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
throw new InvalidOperationException("The sar must not be null.");
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
if (info.owner.AsBigInteger() != addr.AsBigInteger())
{
throw new InvalidOperationException("The parameter is exception.");
}
if (info.status == (int)ConfigSARStatus.SAR_STATUS_CLOSE)
{
throw new InvalidOperationException("The parameter is exception.");
}
BigInteger locked = info.locked;
BigInteger hasDrawed = info.hasDrawed;
BigInteger sds_price = 0;
BigInteger anchor_price = 0;
byte[] oracleAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(ORACLE_ACCOUNT.AsByteArray()));
byte[] tokenizedAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(TOKENIZED_ACCOUNT.AsByteArray()));
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
object[] arg = new object[1];
arg[0] = CONFIG_SDS_PRICE;
sds_price = (BigInteger)OracleContract("getTypeB", arg);
}
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
object[] arg = new object[1];
arg[0] = info.anchor;
anchor_price = (BigInteger)OracleContract("getTypeB", arg);
}
BigInteger sds_rate = 100;
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
object[] arg = new object[1];
arg[0] = CONFIG_LIQUIDATION_RATE_B;
BigInteger re = (BigInteger)OracleContract("getTypeA", arg);
if (re != 0)
{
sds_rate = re;
}
}
BigInteger sdusd_limit = sds_price * locked * 100 / (anchor_price * sds_rate);
if (sdusd_limit < hasDrawed + value)
{
throw new InvalidOperationException("The parameter is exception.");
}
{
object[] arg = new object[3];
arg[0] = name;
arg[1] = addr;
arg[2] = value;
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
if (!(bool)TokenizedContract("increase", arg))
{
throw new InvalidOperationException("The parameter is exception.");
}
}
info.hasDrawed = hasDrawed + value;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = info.txid;
detail.txid = txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_EXPANDE;
detail.operated = value;
detail.hasLocked = locked;
detail.hasDrawed = info.hasDrawed;
Storage.Put(Storage.CurrentContext, getTxidKey(txid), Helper.Serialize(detail));
//notify
Operated(info.name.AsByteArray(), addr, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_EXPANDE, value);
return(true);
}
public static bool openSAR4B(string name, string symbol, byte decimals, byte[] addr, string anchor)
{
if (addr.Length != 20)
{
throw new InvalidOperationException("The parameter addr SHOULD be 20-byte addresses.");
}
//check SAR
if (!checkState(SAR_STATE))
{
throw new InvalidOperationException("The sar state MUST be pause.");
}
if (name.Length <= 0)
{
throw new InvalidOperationException("The parameter name MUST bigger than 0.");
}
if (!checkName(name))
{
throw new InvalidOperationException("The parameter name is invalid.");
}
var key = getSARKey(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length > 0)
{
throw new InvalidOperationException("The sar must be null.");
}
byte[] oracleAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(ORACLE_ACCOUNT.AsByteArray()));
byte[] tokenizedAssetID = Storage.Get(Storage.CurrentContext, getAccountKey(TOKENIZED_ACCOUNT.AsByteArray()));
{
object[] arg = new object[1];
arg[0] = string.Concat(NAME_PREFIX, name);
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
string str = (string)TokenizedContract("name", arg);
if (str.Length > 0)
{
throw new InvalidOperationException("The name must be null.");
}
}
{
object[] arg = new object[1];
arg[0] = anchor;
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
BigInteger re = (BigInteger)OracleContract("getTypeA", arg);
if (re != 1)
{
throw new InvalidOperationException("The param is exception.");
}
}
byte[] txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
SARInfo info = new SARInfo();
info.symbol = symbol;
info.decimals = decimals;
info.name = string.Concat(NAME_PREFIX, name);
info.hasDrawed = 0;
info.locked = 0;
info.owner = addr;
info.txid = txid;
info.status = 1;
info.anchor = anchor;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = txid;
detail.txid = txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_OPEN;
detail.operated = 0;
detail.hasLocked = 0;
detail.hasDrawed = 0;
Storage.Put(Storage.CurrentContext, getTxidKey(txid), Helper.Serialize(detail));
//notify
Operated(name.AsByteArray(), addr, txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_OPEN, 0);
return(true);
}
public static bool expande(string name, byte[] addr, BigInteger value, byte[] oracleAssetID, byte[] tokenizedAssetID)
{
if (addr.Length != 20)
{
return(false);
}
if (value == 0)
{
return(false);
}
var key = new byte[] { 0x12 }.Concat(addr);
byte[] sar = Storage.Get(Storage.CurrentContext, key);
if (sar.Length == 0)
{
return(false);
}
SARInfo info = (SARInfo)Helper.Deserialize(sar);
// SAR制造者操作
if (info.owner.AsBigInteger() != addr.AsBigInteger())
{
return(false);
}
//SAR状态
if (info.status == (int)ConfigSARStatus.SAR_STATUS_CLOSE)
{
return(false);
}
BigInteger locked = info.locked;
BigInteger hasDrawed = info.hasDrawed;
BigInteger sds_price = 0;
BigInteger anchor_price = 0;
object[] arg = new object[0];
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
//调用Oracle,查询SDS价格，如：8$=价格*100000000
arg = new object[1];
arg[0] = CONFIG_SDS_PRICE;
sds_price = (BigInteger)OracleContract("getPrice", arg);
}
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
//调用Oracle,查询锚定价格，如：100$=价格*100000000
arg = new object[1];
arg[0] = info.anchor;
anchor_price = (BigInteger)OracleContract("getPrice", arg);
}
//当前兑换率，默认是100，需要从配置中心获取
BigInteger sds_rate = 100;
{
var OracleContract = (NEP5Contract)oracleAssetID.ToDelegate();
//调用Oracle,查询抵押率，如：50 => 50%
arg = new object[1];
arg[0] = CONFIG_LIQUIDATION_RATE_B;
BigInteger re = (BigInteger)OracleContract("getConfig", arg);
if (re != 0)
{
sds_rate = re;
}
}
BigInteger sdusd_limit = sds_price * anchor_price * locked / (sds_rate * FOURTEEN_POWER);
if (sdusd_limit < hasDrawed + value)
{
return(false);
}
//调用标准增发
arg = new object[3];
arg[0] = name;
arg[1] = addr;
arg[2] = value;
var TokenizedContract = (NEP5Contract)tokenizedAssetID.ToDelegate();
if (!(bool)TokenizedContract("increase", arg))
{
return(false);
}
info.hasDrawed = hasDrawed + value;
Storage.Put(Storage.CurrentContext, key, Helper.Serialize(info));
//记录交易详细数据
var txid = ((Transaction)ExecutionEngine.ScriptContainer).Hash;
SARTransferDetail detail = new SARTransferDetail();
detail.from = addr;
detail.sarTxid = info.txid;
detail.txid = txid;
detail.type = (int)ConfigTranType.TRANSACTION_TYPE_EXPANDE;
detail.operated = value;
detail.hasLocked = locked;
detail.hasDrawed = hasDrawed;
Storage.Put(Storage.CurrentContext, new byte[] { 0x13 }.Concat(txid), Helper.Serialize(detail));
//触发操作事件
Operated(info.name.AsByteArray(), addr, info.txid, txid, (int)ConfigTranType.TRANSACTION_TYPE_EXPANDE, value);
return(true);
}
