com.openelements.hiero.base.data.Nft Maven / Gradle / Ivy

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package com.openelements.hiero.base.data;

import com.hedera.hashgraph.sdk.AccountId;
import com.hedera.hashgraph.sdk.TokenId;
import java.util.Objects;
import org.jspecify.annotations.NonNull;

/**
 * Represents a non-fungible token (NFT).
 *
 * @param tokenId  the ID of the token type
 * @param serial   the serial number of the NFT
 * @param owner    the account that owns the NFT
 * @param metadata the metadata of the NFT
 */
public record Nft(@NonNull TokenId tokenId, long serial, @NonNull AccountId owner, @NonNull byte[] metadata) {

    public Nft {
        Objects.requireNonNull(tokenId, "tokenId must not be null");
        Objects.requireNonNull(owner, "owner must not be null");
        Objects.requireNonNull(metadata, "metadata must not be null");
        if (serial < 0) {
            throw new IllegalArgumentException("serial must be greater than or equal to 0");
        }
    }
}