Main.java

import ch.zondax.FilecoinSigner;

class Main {
    public static void main(String[] args) {
        long error = FilecoinSigner.errorNew();
        long extendedKey = FilecoinSigner.keyDerive(
            "equip will roof matter pink blind book anxiety banner elbow sun young",
            "m/44'/461'/0/0/0",
            "",
            "en",
            error
        );

        if (FilecoinSigner.errorCode(error) != 0) {
            System.err.println(FilecoinSigner.errorMessage(error));
        }
        else {
            String privateKey = FilecoinSigner.extendedKeyPrivateKey(extendedKey, error);
            assert privateKey.equals("f15716d3b003b304b8055d9cc62e6b9c869d56cc930c3858d4d7c31f5f53f14a");
        }

        FilecoinSigner.extendedKeyFree(extendedKey);
        FilecoinSigner.errorFree(error);
    }
}