Example #1
0
 def test_signing_appbase(self):
     b = Blockchain(hive_instance=self.bts)
     st = None
     for block in b.blocks(start=25304468, stop=25304468):
         for trx in block.transactions:
             st = Signed_Transaction(trx.copy())
     self.assertTrue(st is not None)
    def test_block_threading(self):
        bts = self.bts
        b = Blockchain(hive_instance=bts)
        blocks_no_threading = []
        for block in b.blocks(start=self.start,
                              stop=self.stop,
                              threading=False,
                              thread_num=8):
            blocks_no_threading.append(block)

        for n in range(5):
            blocks = []
            for block in b.blocks(start=self.start,
                                  stop=self.stop,
                                  threading=True,
                                  thread_num=8):
                blocks.append(block)

            for i in range(min(len(blocks), len(blocks_no_threading))):
                self.assertEqual(blocks[i]["block_id"],
                                 blocks_no_threading[i]["block_id"])
            self.assertEqual(len(blocks_no_threading), len(blocks))
 def test_stream_batch(self):
     bts = self.bts
     b = Blockchain(hive_instance=bts)
     ops_stream = []
     opNames = ["transfer", "vote"]
     for op in b.stream(opNames=opNames,
                        start=self.start,
                        stop=self.stop,
                        max_batch_size=self.max_batch_size,
                        threading=False):
         ops_stream.append(op)
     self.assertTrue(ops_stream[0]["block_num"] >= self.start)
     self.assertTrue(ops_stream[-1]["block_num"] <= self.stop)
     op_stat = b.ops_statistics(start=self.start, stop=self.stop)
     self.assertEqual(op_stat["vote"] + op_stat["transfer"],
                      len(ops_stream))
     ops_blocks = []
     for op in b.blocks(start=self.start,
                        stop=self.stop,
                        max_batch_size=self.max_batch_size,
                        threading=False):
         ops_blocks.append(op)
     op_stat4 = {"transfer": 0, "vote": 0}
     self.assertTrue(len(ops_blocks) > 0)
     for block in ops_blocks:
         for tran in block["transactions"]:
             for op in tran['operations']:
                 if isinstance(op, dict) and "type" in op and "value" in op:
                     op_type = op["type"]
                     if len(op_type) > 10 and op_type[len(op_type) -
                                                      10:] == "_operation":
                         op_type = op_type[:-10]
                     if op_type in opNames:
                         op_stat4[op_type] += 1
                 elif op[0] in opNames:
                     op_stat4[op[0]] += 1
         self.assertTrue(block.identifier >= self.start)
         self.assertTrue(block.identifier <= self.stop)
     self.assertEqual(op_stat["transfer"], op_stat4["transfer"])
     self.assertEqual(op_stat["vote"], op_stat4["vote"])
Example #4
0
            last_block_id = 19273700
            last_block = Block(last_block_id, hive_instance=hv)
            startTime = datetime.now()

            stopTime = last_block.time() + timedelta(seconds=how_many_minutes *
                                                     60)
            ltime = time.time()
            cnt = 0
            total_transaction = 0

            start_time = time.time()
            last_node = blockchain.hive.rpc.url

            for entry in blockchain.blocks(start=last_block_id,
                                           max_batch_size=max_batch_size,
                                           threading=threading,
                                           thread_num=thread_num):
                block_no = entry.identifier
                if "block" in entry:
                    trxs = entry["block"]["transactions"]
                else:
                    trxs = entry["transactions"]

                for tx in trxs:
                    for op in tx["operations"]:
                        total_transaction += 1
                if "block" in entry:
                    block_time = parse_time(entry["block"]["timestamp"])
                else:
                    block_time = parse_time(entry["timestamp"])
Example #5
0
    def test_stream(self):
        bts = self.bts
        start = self.start
        stop = self.stop
        b = Blockchain(hive_instance=bts)
        ops_stream = []
        opNames = ["transfer", "vote"]
        for op in b.stream(opNames=opNames, start=start, stop=stop):
            ops_stream.append(op)
        self.assertTrue(len(ops_stream) > 0)

        ops_raw_stream = []
        opNames = ["transfer", "vote"]
        for op in b.stream(opNames=opNames, raw_ops=True, start=start, stop=stop):
            ops_raw_stream.append(op)
        self.assertTrue(len(ops_raw_stream) > 0)

        only_ops_stream = []
        opNames = ["transfer", "vote"]
        for op in b.stream(opNames=opNames, start=start, stop=stop, only_ops=True):
            only_ops_stream.append(op)
        self.assertTrue(len(only_ops_stream) > 0)

        only_ops_raw_stream = []
        opNames = ["transfer", "vote"]
        for op in b.stream(opNames=opNames, raw_ops=True, start=start, stop=stop, only_ops=True):
            only_ops_raw_stream.append(op)
        self.assertTrue(len(only_ops_raw_stream) > 0)

        op_stat = b.ops_statistics(start=start, stop=stop)
        op_stat2 = {"transfer": 0, "vote": 0}
        for op in ops_stream:
            self.assertIn(op["type"], opNames)
            op_stat2[op["type"]] += 1
            self.assertTrue(op["block_num"] >= start)
            self.assertTrue(op["block_num"] <= stop)
        self.assertEqual(op_stat["transfer"], op_stat2["transfer"])
        self.assertEqual(op_stat["vote"], op_stat2["vote"])

        op_stat3 = {"transfer": 0, "vote": 0}
        for op in ops_raw_stream:
            self.assertIn(op["op"][0], opNames)
            op_stat3[op["op"][0]] += 1
            self.assertTrue(op["block_num"] >= start)
            self.assertTrue(op["block_num"] <= stop)
        self.assertEqual(op_stat["transfer"], op_stat3["transfer"])
        self.assertEqual(op_stat["vote"], op_stat3["vote"])

        op_stat5 = {"transfer": 0, "vote": 0}
        for op in only_ops_stream:
            self.assertIn(op["type"], opNames)
            op_stat5[op["type"]] += 1
            self.assertTrue(op["block_num"] >= start)
            self.assertTrue(op["block_num"] <= stop)
        self.assertEqual(op_stat["transfer"], op_stat5["transfer"])
        self.assertEqual(op_stat["vote"], op_stat5["vote"])

        op_stat6 = {"transfer": 0, "vote": 0}
        for op in only_ops_raw_stream:
            self.assertIn(op["op"][0], opNames)
            op_stat6[op["op"][0]] += 1
            self.assertTrue(op["block_num"] >= start)
            self.assertTrue(op["block_num"] <= stop)
        self.assertEqual(op_stat["transfer"], op_stat6["transfer"])
        self.assertEqual(op_stat["vote"], op_stat6["vote"])

        ops_blocks = []
        for op in b.blocks(start=start, stop=stop):
            ops_blocks.append(op)
        op_stat4 = {"transfer": 0, "vote": 0}
        self.assertTrue(len(ops_blocks) > 0)
        for block in ops_blocks:
            for tran in block["transactions"]:
                for op in tran['operations']:
                    if isinstance(op, list) and op[0] in opNames:
                        op_stat4[op[0]] += 1
                    elif isinstance(op, dict):
                        op_type = op["type"]
                        if len(op_type) > 10 and op_type[len(op_type) - 10:] == "_operation":
                            op_type = op_type[:-10]
                        if op_type in opNames:
                            op_stat4[op_type] += 1
            self.assertTrue(block.identifier >= start)
            self.assertTrue(block.identifier <= stop)
        self.assertEqual(op_stat["transfer"], op_stat4["transfer"])
        self.assertEqual(op_stat["vote"], op_stat4["vote"])

        ops_blocks = []
        for op in b.blocks():
            ops_blocks.append(op)
            break
        self.assertTrue(len(ops_blocks) == 1)
Example #6
0
def benchmark_node(node, how_many_minutes=10, how_many_seconds=30):
    block_count = 0
    history_count = 0
    access_time = 0
    follow_time = 0
    blockchain_version = u'0.0.0'
    successful = True
    error_msg = None
    start_total = timer()
    max_batch_size = None
    threading = False
    thread_num = 16

    authorpermvoter = u"@gtg/hive-pressure-4-need-for-speed|gandalf"
    [author, permlink, voter] = resolve_authorpermvoter(authorpermvoter)
    authorperm = construct_authorperm(author, permlink)
    last_block_id = 19273700
    try:
        hv = Hive(node=node, num_retries=3, num_retries_call=3, timeout=30)
        blockchain = Blockchain(hive_instance=hv)
        blockchain_version = hv.get_blockchain_version()

        last_block = Block(last_block_id, hive_instance=hv)

        stopTime = last_block.time() + timedelta(seconds=how_many_minutes * 60)
        total_transaction = 0

        start = timer()
        for entry in blockchain.blocks(start=last_block_id, max_batch_size=max_batch_size, threading=threading, thread_num=thread_num):
            block_no = entry.identifier
            block_count += 1
            if "block" in entry:
                trxs = entry["block"]["transactions"]
            else:
                trxs = entry["transactions"]

            for tx in trxs:
                for op in tx["operations"]:
                    total_transaction += 1
            if "block" in entry:
                block_time = parse_time(entry["block"]["timestamp"])
            else:
                block_time = parse_time(entry["timestamp"])

            if block_time > stopTime:
                last_block_id = block_no
                break
            if timer() - start > how_many_seconds or quit_thread:
                break
    except NumRetriesReached:
        error_msg = 'NumRetriesReached'
        block_count = -1
    except KeyboardInterrupt:
        error_msg = 'KeyboardInterrupt'
        # quit = True
    except Exception as e:
        error_msg = str(e)
        block_count = -1

    try:
        hv = Hive(node=node, num_retries=3, num_retries_call=3, timeout=30)
        account = Account("gtg", hive_instance=hv)
        blockchain_version = hv.get_blockchain_version()

        start = timer()
        for acc_op in account.history_reverse(batch_size=100):
            history_count += 1
            if timer() - start > how_many_seconds or quit_thread:
                break
    except NumRetriesReached:
        error_msg = 'NumRetriesReached'
        history_count = -1
        successful = False
    except KeyboardInterrupt:
        error_msg = 'KeyboardInterrupt'
        history_count = -1
        successful = False
        # quit = True
    except Exception as e:
        error_msg = str(e)
        history_count = -1
        successful = False

    try:
        hv = Hive(node=node, num_retries=3, num_retries_call=3, timeout=30)
        account = Account("gtg", hive_instance=hv)
        blockchain_version = hv.get_blockchain_version()

        start = timer()
        Vote(authorpermvoter, hive_instance=hv)
        stop = timer()
        vote_time = stop - start
        start = timer()
        Comment(authorperm, hive_instance=hv)
        stop = timer()
        comment_time = stop - start
        start = timer()
        Account(author, hive_instance=hv)
        stop = timer()
        account_time = stop - start
        start = timer()
        account.get_followers()
        stop = timer()
        follow_time = stop - start
        access_time = (vote_time + comment_time + account_time + follow_time) / 4.0
    except NumRetriesReached:
        error_msg = 'NumRetriesReached'
        access_time = -1
    except KeyboardInterrupt:
        error_msg = 'KeyboardInterrupt'
        # quit = True
    except Exception as e:
        error_msg = str(e)
        access_time = -1
    return {'successful': successful, 'node': node, 'error': error_msg,
            'total_duration': timer() - start_total, 'block_count': block_count,
            'history_count': history_count, 'access_time': access_time, 'follow_time': follow_time,
            'version': blockchain_version}