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A lightweight library to ApeX-Protocol

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package exchange.apexpro.connector;

import exchange.apexpro.connector.constant.ApiConstants;
import exchange.apexpro.connector.exception.ApexProApiException;
import exchange.apexpro.connector.model.user.ApiCredential;
import exchange.apexpro.connector.model.user.L2KeyPair;
import org.web3j.crypto.Credentials;

public class ApexProCredentials {
    public Credentials web3Credentials;
    public ApiCredential apiCredential;
    public L2KeyPair l2KeyPair;

    private ApexProCredentials() {
    }
    private ApexProCredentials(String privateEthereumKey) {
        Credentials web3Credentials = Credentials.create(privateEthereumKey);
        this.web3Credentials = web3Credentials;
    }

    public static ApexProCredentials create(ApiCredential apiCredential,L2KeyPair l2KeyPair) {
        ApexProCredentials apexProCredentials = new ApexProCredentials();
        apexProCredentials.apiCredential = apiCredential;
        apexProCredentials.l2KeyPair = l2KeyPair;
        return apexProCredentials;
    }

    public static ApexProCredentials create(String privateEthereumKey,int networkId) throws ApexProApiException {
        ApexProCredentials apexProCredentials = new ApexProCredentials(privateEthereumKey);
        L2KeyPair l2KeyPair = Onboard.deriveL2Key(apexProCredentials.web3Credentials, ApiConstants.NETWORKID_TEST);

        apexProCredentials.l2KeyPair = l2KeyPair;
        apexProCredentials.apiCredential = Onboard.generateApiCredential(apexProCredentials.web3Credentials, l2KeyPair.getPublicKey(), l2KeyPair.getPublicKeyYCoordinate(),networkId);
        apexProCredentials.web3Credentials = Credentials.create(privateEthereumKey);
        return apexProCredentials;

    }

    public String getAddress() {
        if (this.web3Credentials != null)
            return this.web3Credentials.getAddress();
        return this.apiCredential.getAddress();
    }

}