Ejemplo n.º 1
0
class RpcTest(TestCase):
    client = None

    def setUp(self):
        self.client = EthJsonRpc()

    def tearDown(self):
        self.client.close()

    def test_eth_coinbase(self):
        coinbase = self.client.eth_coinbase()
        self.assertTrue(coinbase.startswith("0x"),
                        "coinbase should be a hex string")
        self.assertEqual(len(coinbase), 42,
                         "coinbase is a string with length of 42")

    def test_eth_blockNumber(self):
        block_number = self.client.eth_blockNumber()
        self.assertGreater(
            block_number, 0,
            "we have made sure the blockNumber is > 0 for testing")

    def test_eth_getBalance(self):
        balance = self.client.eth_getBalance(
            address="0x0000000000000000000000000000000000000000")
        self.assertGreater(balance, 10000000,
                           "specified address should have a lot of balance")

    def test_eth_getStorageAt(self):
        storage = self.client.eth_getStorageAt(
            address="0x0000000000000000000000000000000000000000")
        self.assertEqual(
            storage,
            '0x0000000000000000000000000000000000000000000000000000000000000000'
        )

    def test_eth_getBlockByNumber(self):
        block = self.client.eth_getBlockByNumber(0)
        self.assertEqual(
            block["extraData"],
            "0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa",
            "the data of the first block should be right")

    def test_eth_getCode(self):
        # TODO: can't find a proper address for getting code
        code = self.client.eth_getCode(
            address="0x0000000000000000000000000000000000000001")
        self.assertEqual(code, "0x")

    def test_eth_getTransactionReceipt(self):
        transaction = self.client.eth_getTransactionReceipt(
            tx_hash=
            "0xe363505adc6b2996111f8bd774f8653a61d244cc6567b5372c2e781c6c63b737"
        )
        self.assertEqual(transaction["from"],
                         "0x22f2dcff5ad78c3eb6850b5cb951127b659522e6")
        self.assertEqual(transaction["to"],
                         "0x0000000000000000000000000000000000000000")
Ejemplo n.º 2
0
    def initialize(self, rpchost, rpcport, sync_all):

        eth = EthJsonRpc(rpchost, rpcport)

        if self.last_block:
            blockNum = self.last_block
            print("Resuming synchronization from block " + str(blockNum))
        else:

            blockNum = eth.eth_blockNumber()
            print("Starting synchronization from latest block: " +
                  str(blockNum))

        while (blockNum > 0):

            if not blockNum % 1000:
                print("Processing block " + str(blockNum) + ", " +
                      str(len(self.contracts.keys())) +
                      " individual contracts in database")

            block = eth.eth_getBlockByNumber(blockNum)

            for tx in block['transactions']:

                if not tx['to']:

                    receipt = eth.eth_getTransactionReceipt(tx['hash'])

                    contract_address = receipt['contractAddress']

                    contract_code = eth.eth_getCode(contract_address)
                    contract_balance = eth.eth_getBalance(contract_address)

                    if not contract_balance or sync_all:
                        # skip contracts with zero balance (disable with --sync-all)
                        continue

                    code = ETHContract(contract_code, tx['input'])

                    m = hashlib.md5()
                    m.update(contract_code.encode('UTF-8'))
                    contract_hash = m.digest()

                    try:
                        self.contracts[contract_hash]
                    except KeyError:
                        self.contracts[contract_hash] = code
                        m = InstanceList()
                        self.instance_lists[contract_hash] = m

                    self.instance_lists[contract_hash].add(
                        contract_address, contract_balance)

                    transaction.commit()

            self.last_block = blockNum
            blockNum -= 1