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sclass TradingCandle {
// min, max, start and end prices
settable double min;
settable double max;
settable double start;
settable double end;
settable Timestamp startTime;
settable Timestamp endTime;
settable bool ongoing;
bool isGreen() {
ret end > start;
}
bool isRed() {
ret end < start;
}
bool isWhite() {
ret end == start;
}
S colorText() {
ret isGreen() ? "green"
: isRed() ? "red"
: "white";
}
void addValue(double price, Timestamp timestamp) {
if (price < min) min = price;
if (price > max) max = price;
end = price;
endTime = timestamp;
if (startTime == null) {
startTime = timestamp;
start = value;
}
}
}