@Override
public void setSender(ECKey senderPrivateKey) {
txSender = senderPrivateKey;
if (!getBlockchain().getRepository().isExist(senderPrivateKey.getAddress())) {
Repository repository = getBlockchain().getRepository();
Repository track = repository.startTracking();
track.createAccount(senderPrivateKey.getAddress());
track.commit();
}
}
public byte[] getSender() {
try {
if (sendAddress == null) {
ECKey key = ECKey.signatureToKey(getRawHash(), getSignature().toBase64());
sendAddress = key.getAddress();
}
return sendAddress;
} catch (SignatureException e) {
logger.error(e.getMessage(), e);
}
return null;
}
@Test
public void test3() {
BigInteger privKey =
new BigInteger("cd244b3015703ddf545595da06ada5516628c5feadbf49dc66049c4b370cc5d8", 16);
byte[] addr = ECKey.fromPrivate(privKey).getAddress();
assertEquals("89b44e4d3c81ede05d0f5de8d1a68f754d73d997", Hex.toHexString(addr));
}
@Test
public void test10() {
BigInteger privKey =
new BigInteger("74ef8a796480dda87b4bc550b94c408ad386af0f65926a392136286784d63858", 16);
byte[] addr = ECKey.fromPrivate(privKey).getAddress();
assertEquals("ba73facb4f8291f09f27f90fe1213537b910065e", Hex.toHexString(addr));
}
public StandaloneBlockchain() {
withGenesis(
GenesisLoader.loadGenesis(getClass().getResourceAsStream("/genesis/genesis-light.json")));
withGasPrice(50_000_000_000L);
withGasLimit(5_000_000L);
withMinerCoinbase(Hex.decode("ffffffffffffffffffffffffffffffffffffffff"));
setSender(
ECKey.fromPrivate(
Hex.decode("3ec771c31cac8c0dba77a69e503765701d3c2bb62435888d4ffa38fed60c445c")));
// withAccountBalance(txSender.getAddress(), new
// BigInteger("100000000000000000000000000"));
}
@Test /* performance test */
public void test6() {
long firstTime = System.currentTimeMillis();
System.out.println(firstTime);
for (int i = 0; i < 1000; ++i) {
byte[] horseBytes = HashUtil.sha3("horse".getBytes());
byte[] addr = ECKey.fromPrivate(horseBytes).getAddress();
assertEquals("13978AEE95F38490E9769C39B2773ED763D9CD5F", Hex.toHexString(addr).toUpperCase());
}
long secondTime = System.currentTimeMillis();
System.out.println(secondTime);
System.out.println(secondTime - firstTime + " millisec");
// 1) result: ~52 address calculation every second
}
public void sign(byte[] privKeyBytes) throws MissingPrivateKeyException {
byte[] hash = this.getRawHash();
ECKey key = ECKey.fromPrivate(privKeyBytes).decompress();
this.signature = key.sign(hash);
this.rlpEncoded = null;
}
public ECKey getKey() {
byte[] hash = getRawHash();
return ECKey.recoverFromSignature(signature.v, signature, hash, true);
}
@Test
public void test5() {
byte[] horseBytes = HashUtil.sha3("horse".getBytes());
byte[] addr = ECKey.fromPrivate(horseBytes).getAddress();
assertEquals("13978AEE95F38490E9769C39B2773ED763D9CD5F", Hex.toHexString(addr).toUpperCase());
}
@Test
public void test4() {
byte[] cowBytes = HashUtil.sha3("cow".getBytes());
byte[] addr = ECKey.fromPrivate(cowBytes).getAddress();
assertEquals("CD2A3D9F938E13CD947EC05ABC7FE734DF8DD826", Hex.toHexString(addr).toUpperCase());
}