estonlabs.cxtl.exchanges.b2c2.v1.domain.Instrument Maven / Gradle / Ivy

Go to download
package estonlabs.cxtl.exchanges.b2c2.v1.domain;


import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonProperty;
import estonlabs.cxtl.exchanges.a.specification.domain.AssetClass;
import estonlabs.cxtl.exchanges.a.specification.domain.Ticker;
import lombok.Data;

@Data
@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonIgnoreProperties(ignoreUnknown = true)
public class Instrument implements Ticker {

    protected static final String[] NULL_COMPONENTS = {null, null};
    @JsonProperty("name")
    private String symbol;

    @JsonProperty("underlier")
    private String underlier;

    @JsonProperty("type")
    private AssetClass type;

    @JsonProperty("is_tradable")
    private boolean isTradable;

    @JsonProperty("quantity_precision")
    private double quantityPrecision;

    @JsonProperty("max_quantity_per_trade")
    private double maxQuantityPerTrade;

    @JsonProperty("min_quantity_per_trade")
    private double minQuantityPerTrade;

    @JsonProperty("price_significant_digits")
    private int priceSignificantDigits;

    private String[] components = null;
    public String[] getComponents() {
        if(components == null){
            if(underlier == null){
                return NULL_COMPONENTS;
            }
            String suffix = underlier.endsWith("USD") ? "USD" : underlier.endsWith("UST") ? "UST" : null;
            if (suffix == null) {
                return NULL_COMPONENTS;
            }

            int lastIndex = underlier.lastIndexOf(suffix);
            String prefix = underlier.substring(0, lastIndex);

            components = new String[]{prefix, suffix};
        }
        return components;
    }
    @Override
    public String getBaseAsset() {
        return getComponents()[0];
    }

    @Override
    public String getQuoteAsset() {
        return getComponents()[1];
    }
}