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PrivateKeyTest.java
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import io.github.bitcoineducation.bitcoinjava.PublicKey;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.util.encoders.Hex;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import io.github.bitcoineducation.bitcoinjava.PrivateKey;
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.security.Security;
import java.util.UUID;
import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class PrivateKeyTest {
@BeforeAll
public static void setup() {
Security.addProvider(new BouncyCastleProvider());
}
@Test
public void testUncompressedPublicKeyHex1() {
PrivateKey privateKey = new PrivateKey(BigInteger.valueOf(5000));
assertEquals(
"04ffe558e388852f0120e46af2d1b370f85854a8eb0841811ece0e3e03d282d57c315dc72890a4f10a1481c031b03b351b0dc79901ca18a00cf009dbdb157a1d10",
privateKey.getPublicKey().uncompressedPublicKeyHex()
);
assertEquals(
privateKey.getPublicKey().uncompressedPublicKeyHex(),
PublicKey.fromCompressedPublicKey(privateKey.getPublicKey().getCompressedPublicKey()).uncompressedPublicKeyHex()
);
}
@Test
public void testUncompressedPublicKeyHex2() {
PrivateKey privateKey = new PrivateKey(BigInteger.valueOf(2018).pow(5));
assertEquals(
"04027f3da1918455e03c46f659266a1bb5204e959db7364d2f473bdf8f0a13cc9dff87647fd023c13b4a4994f17691895806e1b40b57f4fd22581a4f46851f3b06",
privateKey.getPublicKey().uncompressedPublicKeyHex()
);
}
@Test
public void testUncompressedPublicKeyHex3() {
PrivateKey privateKey = new PrivateKey(new BigInteger(1, Hex.decodeStrict("0deadbeef12345")));
assertEquals(
"04d90cd625ee87dd38656dd95cf79f65f60f7273b67d3096e68bd81e4f5342691f842efa762fd59961d0e99803c61edba8b3e3f7dc3a341836f97733aebf987121",
privateKey.getPublicKey().uncompressedPublicKeyHex()
);
}
@Test
public void testCompressedPublicKeyHex1() {
PrivateKey privateKey = new PrivateKey(BigInteger.valueOf(5001));
assertEquals(
"0357a4f368868a8a6d572991e484e664810ff14c05c0fa023275251151fe0e53d1",
privateKey.getPublicKey().compressedPublicKeyHex()
);
assertEquals(
"0357a4f368868a8a6d572991e484e664810ff14c05c0fa023275251151fe0e53d1",
PublicKey.fromCompressedPublicKey(privateKey.getPublicKey().getCompressedPublicKey()).compressedPublicKeyHex()
);
}
@Test
public void testCompressedPublicKeyHex2() {
PrivateKey privateKey = new PrivateKey(BigInteger.valueOf(2019).pow(5));
assertEquals(
"02933ec2d2b111b92737ec12f1c5d20f3233a0ad21cd8b36d0bca7a0cfa5cb8701",
privateKey.getPublicKey().compressedPublicKeyHex()
);
assertEquals(
"02933ec2d2b111b92737ec12f1c5d20f3233a0ad21cd8b36d0bca7a0cfa5cb8701",
PublicKey.fromCompressedPublicKey(privateKey.getPublicKey().getCompressedPublicKey()).compressedPublicKeyHex()
);
}
@Test
public void testCompressedPublicKeyHex3() {
PrivateKey privateKey = new PrivateKey(new BigInteger(1, Hex.decodeStrict("0deadbeef54321")));
assertEquals(
"0296be5b1292f6c856b3c5654e886fc13511462059089cdf9c479623bfcbe77690",
privateKey.getPublicKey().compressedPublicKeyHex()
);
assertEquals(
"0296be5b1292f6c856b3c5654e886fc13511462059089cdf9c479623bfcbe77690",
PublicKey.fromCompressedPublicKey(privateKey.getPublicKey().getCompressedPublicKey()).compressedPublicKeyHex()
);
}
@Test
public void testUncompressedPublicKeyAddress() {
PrivateKey privateKey = new PrivateKey(BigInteger.valueOf(5002));
assertEquals(
"mmTPbXQFxboEtNRkwfh6K51jvdtHLxGeMA",
privateKey.getPublicKey().addressFromUncompressedPublicKey("6f")
);
assertEquals(
privateKey.getPublicKey().compressedPublicKeyHex(),
PublicKey.fromCompressedPublicKey(privateKey.getPublicKey().getCompressedPublicKey()).compressedPublicKeyHex()
);
}
@Test
public void testCompressedPublicKeyAddress() {
PrivateKey privateKey = new PrivateKey(BigInteger.valueOf(2020).pow(5));
assertEquals(
"mopVkxp8UhXqRYbCYJsbeE1h1fiF64jcoH",
privateKey.getPublicKey().addressFromCompressedPublicKey("6f")
);
assertEquals(
privateKey.getPublicKey().compressedPublicKeyHex(),
PublicKey.fromCompressedPublicKey(privateKey.getPublicKey().getCompressedPublicKey()).compressedPublicKeyHex()
);
}
@Test
public void testCompressedPublicKeyAddress2() {
PrivateKey privateKey = new PrivateKey(new BigInteger(1, Hex.decodeStrict("012345deadbeef")));
assertEquals(
"1F1Pn2y6pDb68E5nYJJeba4TLg2U7B6KF1",
privateKey.getPublicKey().addressFromCompressedPublicKey("00")
);
assertEquals(
privateKey.getPublicKey().compressedPublicKeyHex(),
PublicKey.fromCompressedPublicKey(privateKey.getPublicKey().getCompressedPublicKey()).compressedPublicKeyHex()
);
}
@Test
public void randomFromCompressedKeyTest() {
for (int i = 0; i < 100; i++) {
String secret = UUID.randomUUID().toString().replace("-", "");
PrivateKey privateKey = new PrivateKey(new BigInteger(1, Hex.decode(secret)));
assertEquals(
privateKey.getPublicKey().compressedPublicKeyHex(),
PublicKey.fromCompressedPublicKey(privateKey.getPublicKey().getCompressedPublicKey()).compressedPublicKeyHex()
);
assertEquals(
privateKey.getPublicKey().uncompressedPublicKeyHex(),
PublicKey.fromCompressedPublicKey(privateKey.getPublicKey().getCompressedPublicKey()).uncompressedPublicKeyHex()
);
}
}
@Test
public void testWif1() {
PrivateKey privateKey = new PrivateKey(BigInteger.valueOf(5003));
assertEquals(
"cMahea7zqjxrtgAbB7LSGbcQUr1uX1ojuat9jZodMN8rFTv2sfUK",
privateKey.wif("ef", true)
);
}
@Test
public void testWif2() {
PrivateKey privateKey = new PrivateKey(BigInteger.valueOf(2021).pow(5));
assertEquals(
"91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjpWAxgzczjbCwxic",
privateKey.wif("ef", false)
);
}
@Test
public void testWif3() {
PrivateKey privateKey = new PrivateKey(new BigInteger(1, Hex.decodeStrict("054321deadbeef")));
assertEquals(
"KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgiuQJv1h8Ytr2S53a",
privateKey.wif("80", true)
);
}
@ParameterizedTest
@MethodSource("testFromWifParameters")
public void testFromWif(String wif, boolean compressed) {
PrivateKey privateKey = PrivateKey.fromWif(wif, compressed);
assertEquals(wif, privateKey.wif("80", compressed));
}
private static Stream<Arguments> testFromWifParameters() {
return Stream.of(
Arguments.of(
"KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgiuQJv1h8Ytr2S53a",
true
),
Arguments.of(
"5JaTXbAUmfPYZFRwrYaALK48fN6sFJp4rHqq2QSXs8ucfpE4yQU",
false
),
Arguments.of(
"5Jb7fCeh1Wtm4yBBg3q3XbT6B525i17kVhy3vMC9AqfR6FH2qGk",
false
),
Arguments.of(
"5JFjmGo5Fww9p8gvx48qBYDJNAzR9pmH5S389axMtDyPT8ddqmw",
false
)
);
}
}