Package org.ethereum.trie

Examples of org.ethereum.trie.TrieImpl.update()

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    Trie state = new TrieImpl(null);
        // The proof-of-concept series include a development pre-mine, making the state root hash
        // some value stateRoot. The latest documentation should be consulted for the value of the state root.
    for (String address : premine) {
      AccountState acctState = new AccountState(BigInteger.ZERO, PREMINE_AMOUNT);
      state.update(Hex.decode(address), acctState.getEncoded());
        }

    setStateRoot(state.getRootHash());
    }
 
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        byte[] cumGas      = Hex.decode("0272");

        TransactionReceipt tr = new TransactionReceipt(tx, postTxState, cumGas);

        Trie trie = new TrieImpl(new MockDB());
        trie.update(RLP.encodeInt(0), tr.getEncoded());
        String txTrieRoot = Hex.toHexString(trie.getRootHash());
        assertEquals(expected, txTrieRoot);
    }

    @Test  // calc state after applying first tx on genesis
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    private Trie generateGenesisState() {

        Trie trie = new TrieImpl(new MockDB());
        for (String address : Genesis.getPremine()) {
            AccountState acct = new AccountState(BigInteger.ZERO, BigInteger.valueOf(2).pow(200));
            trie.update(Hex.decode(address), acct.getEncoded());     
    }
        return trie;
    }
}
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            String[] keyVal= strData.get(i).split("=");

            if (keyVal[0].equals("*"))
                trieSingle.delete(keyVal[1].trim());
            else
                trieSingle.update(keyVal[0].trim(), keyVal[1].trim());

            byte[] hash = trieSingle.getRootHash();
            roots.add(hash);

            String key =  Hex.toHexString(hash);
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    @Test
    public void testGetFromRootNode() {
        TrieImpl trie1 = new TrieImpl(mockDb);
        trie1.update(cat, LONG_STRING);
        trie1.sync();
        TrieImpl trie2 = new TrieImpl(mockDb, trie1.getRootHash());
        assertEquals(LONG_STRING, new String(trie2.get(cat)));
    }
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        byte[] val2 = Hex.decode("40");
        byte[] val3 = Hex.decode("94412e0c4f0102f3f0ac63f0a125bce36ca75d4e0d");
        byte[] val4 = Hex.decode("01");

        TrieImpl storage = new TrieImpl(new MockDB());
        storage.update(key1, val1);
        storage.update(key2, val2);
        storage.update(key3, val3);
        storage.update(key4, val4);

        String hash = Hex.toHexString(storage.getRootHash());
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        byte[] val3 = Hex.decode("94412e0c4f0102f3f0ac63f0a125bce36ca75d4e0d");
        byte[] val4 = Hex.decode("01");

        TrieImpl storage = new TrieImpl(new MockDB());
        storage.update(key1, val1);
        storage.update(key2, val2);
        storage.update(key3, val3);
        storage.update(key4, val4);

        String hash = Hex.toHexString(storage.getRootHash());
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        byte[] val4 = Hex.decode("01");

        TrieImpl storage = new TrieImpl(new MockDB());
        storage.update(key1, val1);
        storage.update(key2, val2);
        storage.update(key3, val3);
        storage.update(key4, val4);

        String hash = Hex.toHexString(storage.getRootHash());

        System.out.println(hash);
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        TrieImpl storage = new TrieImpl(new MockDB());
        storage.update(key1, val1);
        storage.update(key2, val2);
        storage.update(key3, val3);
        storage.update(key4, val4);

        String hash = Hex.toHexString(storage.getRootHash());

        System.out.println(hash);
        Assert.assertEquals("517eaccda568f3fa24915fed8add49d3b743b3764c0bc495b19a47c54dbc3d62", hash);
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          // each time dump the entire trie
    public void testSample_1(){

        TrieImpl trie = new TrieImpl(mockDb);

        trie.update("dog", "puppy");
        String dmp = trie.getTrieDump();
        System.out.println(dmp);
        System.out.println();
        Assert.assertEquals("ed6e08740e4a267eca9d4740f71f573e9aabbcc739b16a2fa6c1baed5ec21278", Hex.toHexString(trie.getRootHash()));
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