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sdk-core lib for NEM2 sdk Java

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/*
 * Copyright 2019 NEM
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.nem.sdk.api;

import io.nem.sdk.model.blockchain.BlockchainScore;
import io.reactivex.Observable;
import java.math.BigInteger;

public interface ChainRepository {

    /**
     * Gets current blockchain height.
     *
     * @return Observable of BigInteger
     */
    Observable getBlockchainHeight();

    /**
     * Gets current blockchain score.
     *
     * @return Observable of BigInteger
     */
    Observable getChainScore();
}