戦略登録コードを生成するときにメタの値を書き出す.
Meta
データです
文字列
GetMeta (メタ) を取得する
function main() {
// The maximum asset value of the denominated currency allowed by the strategy.
var maxBaseCurrency = null
// Get the metadata when creating the registration code.
var level = GetMeta()
// Detecting the conditions corresponding to Meta.
if (level == "level1") {
// -1 for unrestricted
maxBaseCurrency = -1
} else if (level == "level2") {
maxBaseCurrency = 10
} else if (level == "level3") {
maxBaseCurrency = 1
} else {
maxBaseCurrency = 0.5
}
while(1) {
Sleep(1000)
var ticker = exchange.GetTicker()
// Detect asset values
var acc = exchange.GetAccount()
if (maxBaseCurrency != -1 && maxBaseCurrency < acc.Stocks + acc.FrozenStocks) {
// Stop executing strategy trading logic
LogStatus(_D(), "level:", level, "Positions exceeding the usage limit of the registration code will no longer execute the strategy trading logic!")
continue
}
// Other trading logic
// Normal output of status bar information
LogStatus(_D(), "level:", level, "The strategy is working properly! ticker data: \n", ticker)
}
}
def main():
maxBaseCurrency = null
level = GetMeta()
if level == "level1":
maxBaseCurrency = -1
elif level == "level2":
maxBaseCurrency = 10
elif level == "level3":
maxBaseCurrency = 1
else:
maxBaseCurrency = 0.5
while True:
Sleep(1000)
ticker = exchange.GetTicker()
acc = exchange.GetAccount()
if maxBaseCurrency != -1 and maxBaseCurrency < acc["Stocks"] + acc["FrozenStocks"]:
LogStatus(_D(), "level:", level, "Positions exceeding the usage limit of the registration code will no longer execute the strategy trading logic!")
continue
# Other trading logic
# Normal output of status bar information
LogStatus(_D(), "level:", level, "The strategy is working properly! ticker data: \n", ticker)
void main() {
auto maxBaseCurrency = 0.0;
auto level = GetMeta();
if (level == "level1") {
maxBaseCurrency = -1;
} else if (level == "level2") {
maxBaseCurrency = 10;
} else if (level == "level3") {
maxBaseCurrency = 1;
} else {
maxBaseCurrency = 0.5;
}
while(1) {
Sleep(1000);
auto ticker = exchange.GetTicker();
auto acc = exchange.GetAccount();
if (maxBaseCurrency != -1 && maxBaseCurrency < acc.Stocks + acc.FrozenStocks) {
// Stop execution strategy trading logic.
LogStatus(_D(), "level:", level, "Positions exceeding the usage limit of the registration code will no longer execute the strategy trading logic!");
continue;
}
// Other trading logic
// Normal output of status bar information
LogStatus(_D(), "level:", level, "The strategy is working properly! ticker data: \n", ticker);
}
}
応用例:使用Meta
戦略によって運用される資産の量を制限する.
戦略の賃貸者のために資本制限を行う必要があります.Meta
登録コードを生成する際に設定された値は 190文字を超えないこと,GetMeta()
メタデータがない場合 (Meta
戦略登録コードを生成する際に設定され,GetMeta()
バックテストシステムでは動作しません.