software.crldev.elrondspringbootstarterreactive.domain.esdt.common.TokenInitialSupply Maven / Gradle / Ivy

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A SpringBoot Starter solution designed to ensure easy and efficient integration with the Elrond Network using a Reactive API layer.

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package software.crldev.elrondspringbootstarterreactive.domain.esdt.common;

import software.crldev.elrondspringbootstarterreactive.error.ErrorMessage;
import software.crldev.elrondspringbootstarterreactive.util.HexValidator;
import java.math.BigInteger;

/**
 * Value object for ESDT token initial supply
 *
 * @author carlo_stanciu
 */
public final class TokenInitialSupply {
    private final BigInteger supply;

    private TokenInitialSupply(BigInteger supply) {
        this.supply = supply;
    }

    /**
     * Creates an InitialSupply object from number inputs
     *
     * @return - an instance of InitialSupply
     */
    public static TokenInitialSupply fromNumber(BigInteger supply) {
        verifySupply(supply);
        return new TokenInitialSupply(supply);
    }

    /**
     * Creates an InitialSupply object from String inputs
     *
     * @return - an instance of InitialSupply
     */
    public static TokenInitialSupply fromString(String supply) {
        var supplyNumber = new BigInteger(supply.strip());
        verifySupply(supplyNumber);
        return fromNumber(supplyNumber);
    }

    /**
     * Getter
     *
     * @return - hex value of the initial supply
     */
    public String getHex() {
        return HexValidator.processNumberHexArgument(supply.toString(16));
    }

    /**
     * Returns the value
     *
     * @return - value in String format
     */
    @Override
    public String toString() {
        return supply.toString();
    }

    private static void verifySupply(BigInteger supply) {
        if (supply.signum() == -1 || supply.signum() == 0) throw new IllegalArgumentException(ErrorMessage.INITIAL_SUPPLY.getValue());
    }

    public BigInteger getSupply() {
        return this.supply;
    }

    @Override
    public boolean equals(final Object o) {
        if (o == this) return true;
        if (!(o instanceof TokenInitialSupply)) return false;
        final TokenInitialSupply other = (TokenInitialSupply) o;
        final Object this$supply = this.getSupply();
        final Object other$supply = other.getSupply();
        if (this$supply == null ? other$supply != null : !this$supply.equals(other$supply)) return false;
        return true;
    }

    @Override
    public int hashCode() {
        final int PRIME = 59;
        int result = 1;
        final Object $supply = this.getSupply();
        result = result * PRIME + ($supply == null ? 43 : $supply.hashCode());
        return result;
    }
}