Examples with Trie co.rsk.trie.Trie used on opensource projects

Example 21 with Trie

use of co.rsk.trie.Trie in project rskj by rsksmart.

the class BlockTest method testPremineFromJSON.

@Test
public void testPremineFromJSON() throws ParseException {
    JSONParser parser = new JSONParser();
    JSONObject genesisMap = (JSONObject) parser.parse(TEST_GENESIS);
    Set keys = genesisMap.keySet();
    Trie state = new TrieImpl(null, true);
    for (Object key : keys) {
        JSONObject val = (JSONObject) genesisMap.get(key);
        String denom = (String) val.keySet().toArray()[0];
        String value = (String) val.values().toArray()[0];
        BigInteger wei = Denomination.valueOf(denom.toUpperCase()).value().multiply(new BigInteger(value));
        AccountState accountState = new AccountState(BigInteger.ZERO, new Coin(wei));
        byte[] encodedAccountState = accountState.getEncoded();
        byte[] accountKey = Hex.decode(key.toString());
        state = state.put(accountKey, encodedAccountState);
        Assert.assertArrayEquals(encodedAccountState, state.get(accountKey));
    }
    logger.info("root: {}", state.getHash());
    assertEquals(GENESIS_STATE_ROOT, state.getHash());
}

Example 22 with Trie

use of co.rsk.trie.Trie in project rskj by rsksmart.

the class StateTest method generateGenesisState.

private Trie generateGenesisState() {
    Trie trie = new TrieImpl();
    Genesis genesis = (Genesis) Genesis.getInstance(new RskSystemProperties());
    for (RskAddress addr : genesis.getPremine().keySet()) {
        trie = trie.put(addr.getBytes(), genesis.getPremine().get(addr).getAccountState().getEncoded());
    }
    return trie;
}

Example 23 with Trie

use of co.rsk.trie.Trie in project rskj by rsksmart.

the class SecureTrieImplHashTest method removeOrNeverInsertShouldBringSameHashWithSecureTrie.

@Test
public void removeOrNeverInsertShouldBringSameHashWithSecureTrie() {
    Trie trie1 = new TrieImpl(true).put("roosevalt", "So, first of all, let me assert my firm belief that".getBytes()).put("roosevelt", "the only thing we have to fear is... fear itself ".getBytes()).put("roosevilt", "42".getBytes()).delete("roosevelt");
    Trie trie2 = new TrieImpl(true).put("roosevalt", "So, first of all, let me assert my firm belief that".getBytes()).put("roosevilt", "42".getBytes());
    Assert.assertTrue(Arrays.equals(trie1.get("roosevalt"), "So, first of all, let me assert my firm belief that".getBytes()));
    Assert.assertTrue(Arrays.equals(trie1.get("roosevilt"), "42".getBytes()));
    Assert.assertNull(trie1.get("roosevelt"));
    Assert.assertEquals(trie1.getHash(), trie2.getHash());
}

Example 24 with Trie

use of co.rsk.trie.Trie in project rskj by rsksmart.

the class SecureTrieImplKeyValueTest method zeroKeyWhenTwoKeysHasNoSharedPath.

@Test
public void zeroKeyWhenTwoKeysHasNoSharedPath() {
    byte[] zeroKey = "0".getBytes();
    byte[] oneKey = "1".getBytes();
    Trie trie = new TrieImpl(true).put(zeroKey, "So, first of all, let me assert my firm belief that".getBytes()).put(oneKey, "the only thing we have to fear is... fear itself ".getBytes());
    trie = trie.delete(oneKey);
    Assert.assertTrue(Arrays.equals(trie.get(zeroKey), "So, first of all, let me assert my firm belief that".getBytes()));
    Assert.assertNull(trie.get(oneKey));
}

Example 25 with Trie

use of co.rsk.trie.Trie in project rskj by rsksmart.

the class SecureTrieImplKeyValueTest method zeroKeyWhenTwoKeysHasSharedPathAndOneIsPrefixOfTheOther.

@Test
public void zeroKeyWhenTwoKeysHasSharedPathAndOneIsPrefixOfTheOther() {
    byte[] zeroKey = "0".getBytes();
    byte[] oneKey = "012345678910".getBytes();
    Trie trie = new TrieImpl(true).put(zeroKey, "So, first of all, let me assert my firm belief that".getBytes()).put(oneKey, "the only thing we have to fear is... fear itself ".getBytes());
    trie = trie.delete(zeroKey);
    Assert.assertTrue(Arrays.equals(trie.get(oneKey), "the only thing we have to fear is... fear itself ".getBytes()));
    Assert.assertNull(trie.get(zeroKey));
}