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import io.github.bitcoineducation.bitcoinjava.PublicKey;

import org.bouncycastle.util.encoders.Hex;

import org.junit.jupiter.params.ParameterizedTest;

import org.junit.jupiter.params.provider.Arguments;

import org.junit.jupiter.params.provider.MethodSource;

import java.math.BigInteger;

import java.util.stream.Stream;

import static io.github.bitcoineducation.bitcoinjava.AddressConstants.MAINNET_P2WPKH_ADDRESS_PREFIX;

import static io.github.bitcoineducation.bitcoinjava.PublicKey.taprootInternalKeyFromX;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class PublicKeyTest {

@ParameterizedTest

@MethodSource("taprootAddressParameters")

public void taprootAddress(String internalKeyX, String expectedAddress) {

PublicKey internalKey = taprootInternalKeyFromX(new BigInteger(1, Hex.decode(internalKeyX)));

PublicKey outputKey = internalKey.toTaprootSingleKeyOutputKey();

assertEquals(expectedAddress, outputKey.taprootAddress(MAINNET_P2WPKH_ADDRESS_PREFIX));

}

private static Stream<Arguments> taprootAddressParameters() {

return Stream.of(

Arguments.of(

"cc8a4bc64d897bddc5fbc2f670f7a8ba0b386779106cf1223c6fc5d7cd6fc115",

"bc1p5cyxnuxmeuwuvkwfem96lqzszd02n6xdcjrs20cac6yqjjwudpxqkedrcr"

),

Arguments.of(

"83dfe85a3151d2517290da461fe2815591ef69f2b18a2ce63f01697a8b313145",

"bc1p4qhjn9zdvkux4e44uhx8tc55attvtyu358kutcqkudyccelu0was9fqzwh"

),

Arguments.of(

"399f1b2f4393f29a18c937859c5dd8a77350103157eb880f02e8c08214277cef",

"bc1p3qkhfews2uk44qtvauqyr2ttdsw7svhkl9nkm9s9c3x4ax5h60wqwruhk7"

)

);

}

}