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"""
:author: Bryan Bishop <kanzure@gmail.com>
"""
import unittest
import random
from copy import copy
from bitcoin.core import (
# bytes to hex (see x)
b2x,
# convert hex string to bytes (see b2x)
x,
# convert little-endian hex string to bytes (see b2lx)
lx,
# convert bytes to little-endian hex string (see lx)
b2lx,
# number of satoshis per bitcoin
COIN,
# a type for a transaction that isn't finished building
CMutableTransaction,
CMutableTxIn,
CMutableTxOut,
COutPoint,
CTxIn,
)
from bitcoin.wallet import (
# has a nifty function from_pubkey
P2PKHBitcoinAddress,
)
from bitcoin.tests.fakebitcoinproxy import (
FakeBitcoinProxy,
make_txout,
make_blocks_from_blockhashes,
make_rpc_batch_request_entry,
# TODO: import and test with FakeBitcoinProxyException
)
class FakeBitcoinProxyTestCase(unittest.TestCase):
def test_constructor(self):
FakeBitcoinProxy()
def test_constructor_accepts_blocks(self):
blockhash0 = "blockhash0"
blockhash1 = "blockhash1"
blocks = [
{"hash": blockhash0},
{"hash": blockhash1},
]
proxy = FakeBitcoinProxy(blocks=blocks)
self.assertNotEqual(proxy.blocks, {})
self.assertTrue(proxy.blocks is blocks)
def test_getblock_with_string(self):
blockhash0 = "blockhash0"
blockhash1 = "blockhash1"
blocks = [
{"hash": blockhash0},
{"hash": blockhash1},
]
proxy = FakeBitcoinProxy(blocks=blocks)
result = proxy.getblock(blockhash0)
self.assertEqual(type(result), dict)
# should have a height now
self.assertTrue("height" in result.keys())
self.assertEqual(result["height"], 0)
def test_blockheight_extensively(self):
blockhashes = ["blockhash{}".format(x) for x in range(0, 10)]
blocks = []
for blockhash in blockhashes:
blocks.append({"hash": blockhash})
proxy = FakeBitcoinProxy(blocks=blocks)
for (expected_height, blockhash) in enumerate(blockhashes):
blockdata = proxy.getblock(blockhash)
self.assertEqual(blockdata["height"], expected_height)
def test_getblock_with_bytes(self):
blockhash0 = "00008c0c84aee66413f1e8ff95fdca5e8ebf35c94b090290077cdcea64936301"
blocks = [
{"hash": blockhash0},
]
proxy = FakeBitcoinProxy(blocks=blocks)
result = proxy.getblock(lx(blockhash0))
self.assertEqual(type(result), dict)
def test_getblock_returns_transaction_data(self):
blockhash0 = "00008c0c84aee66413f1e8ff95fdca5e8ebf35c94b090290077cdcea64936302"
transaction_txids = ["foo", "bar"]
blocks = [
{"hash": blockhash0, "tx": transaction_txids},
]
proxy = FakeBitcoinProxy(blocks=blocks)
result = proxy.getblock(blockhash0)
self.assertTrue("tx" in result.keys())
self.assertEqual(type(result["tx"]), list)
self.assertEqual(result["tx"], transaction_txids)
def test_getblockhash_zero(self):
blockhash0 = "00008c0c84aee66413f1e8ff95fdca5e8ebf35c94b090290077cdcea64936302"
blocks = [
{"hash": blockhash0},
]
proxy = FakeBitcoinProxy(blocks=blocks)
blockhash_result = proxy.getblockhash(0)
self.assertEqual(blockhash_result, blockhash0)
def test_getblockhash_many(self):
blockhashes = [
"00008c0c84aee66413f1e8ff95fdca5e8ebf35c94b090290077cdcea64936302",
"00008c0c84aee66413f1e8ff95fdca5e8ebf35c94b090290077cdcea64936303",
"00008c0c84aee66413f1e8ff95fdca5e8ebf35c94b090290077cdcea64936304",
"00008c0c84aee66413f1e8ff95fdca5e8ebf35c94b090290077cdcea64936305",
]
blocks = make_blocks_from_blockhashes(blockhashes)
proxy = FakeBitcoinProxy(blocks=blocks)
for (height, expected_blockhash) in enumerate(blockhashes):
blockhash_result = proxy.getblockhash(height)
self.assertEqual(blockhash_result, expected_blockhash)
def test_getblockcount_zero(self):
blocks = []
proxy = FakeBitcoinProxy(blocks=blocks)
count = proxy.getblockcount()
self.assertEqual(count, len(blocks) - 1)
def test_getblockcount_many(self):
blockhash0 = "00008c0c84aee66413f1e8ff95fdca5e8ebf35c94b090290077cdcea64936301"
blockhash1 = "0000b9fc70e9a8bb863a8c37f0f3d10d4d3e99e0e94bd42b35f0fdbb497399eb"
blocks = [
{"hash": blockhash0},
{"hash": blockhash1, "previousblockhash": blockhash0},
]
proxy = FakeBitcoinProxy(blocks=blocks)
count = proxy.getblockcount()
self.assertEqual(count, len(blocks) - 1)
def test_getrawtransaction(self):
txids = [
"b9e3b3366b31136bd262c64ff6e4c29918a457840c5f53cbeeeefa41ca3b7005",
"21886e5c02049751acea9d462359d68910bef938d9a58288c961d18b6e50daef",
"b2d0cc6840be86516ce79ed7249bfd09f95923cc27784c2fa0dd910bfdb03173",
"eacb81d11a539047af73b5d810d3683af3b1171e683dcbfcfb2819286d762c0c",
"eee72e928403fea7bca29f366483c3e0ab629ac5dce384a0f541aacf6f810d30",
]
txdefault = {"tx": "", "confirmations": 0}
transactions = dict([(txid, copy(txdefault)) for txid in txids])
# just making sure...
self.assertTrue(transactions[txids[0]] is not transactions[txids[1]])
proxy = FakeBitcoinProxy(transactions=transactions)
for txid in txids:
txdata = proxy.getrawtransaction(txid)
self.assertEqual(type(txdata), dict)
self.assertTrue("tx" in txdata.keys())
self.assertEqual(type(txdata["tx"]), str)
self.assertEqual(txdata["tx"], "")
self.assertTrue("confirmations" in txdata.keys())
self.assertEqual(txdata["confirmations"], 0)
def test_getnewaddress_returns_different_addresses(self):
num_addresses = random.randint(10, 100)
addresses = set()
proxy = FakeBitcoinProxy()
for each in range(num_addresses):
address = proxy.getnewaddress()
addresses.add(str(address))
self.assertEqual(len(addresses), num_addresses)
def test_getnewaddress_returns_cbitcoinaddress(self):
proxy = FakeBitcoinProxy()
address = proxy.getnewaddress()
self.assertEqual(type(address), P2PKHBitcoinAddress)
def test_importaddress(self):
proxy = FakeBitcoinProxy()
proxy.importaddress("foo")
def test_importaddress_with_parameters(self):
proxy = FakeBitcoinProxy()
address = "some_address"
label = ""
rescan = False
proxy.importaddress(address, label, rescan)
def test_fundrawtransaction(self):
unfunded_transaction = CMutableTransaction([], [make_txout() for x in range(0, 5)])
proxy = FakeBitcoinProxy()
funded_transaction_hex = proxy.fundrawtransaction(unfunded_transaction)["hex"]
funded_transaction = CMutableTransaction.deserialize(x(funded_transaction_hex))
self.assertTrue(unfunded_transaction is not funded_transaction)
self.assertEqual(type(funded_transaction), type(unfunded_transaction))
self.assertNotEqual(len(funded_transaction.vin), 0)
self.assertTrue(len(funded_transaction.vin) > len(unfunded_transaction.vin))
self.assertEqual(type(funded_transaction.vin[0]), CTxIn)
def test_fundrawtransaction_hex_hash(self):
unfunded_transaction = CMutableTransaction([], [make_txout() for x in range(0, 5)])
proxy = FakeBitcoinProxy()
funded_transaction_hex = proxy.fundrawtransaction(b2x(unfunded_transaction.serialize()))["hex"]
funded_transaction = CMutableTransaction.deserialize(x(funded_transaction_hex))
self.assertTrue(unfunded_transaction is not funded_transaction)
self.assertEqual(type(funded_transaction), type(unfunded_transaction))
self.assertNotEqual(len(funded_transaction.vin), 0)
self.assertTrue(len(funded_transaction.vin) > len(unfunded_transaction.vin))
self.assertEqual(type(funded_transaction.vin[0]), CTxIn)
def test_fundrawtransaction_adds_output(self):
num_outputs = 5
unfunded_transaction = CMutableTransaction([], [make_txout() for x in range(0, num_outputs)])
proxy = FakeBitcoinProxy()
funded_transaction_hex = proxy.fundrawtransaction(b2x(unfunded_transaction.serialize()))["hex"]
funded_transaction = CMutableTransaction.deserialize(x(funded_transaction_hex))
self.assertTrue(len(funded_transaction.vout) > num_outputs)
self.assertEqual(len(funded_transaction.vout), num_outputs + 1)
def test_signrawtransaction(self):
num_outputs = 5
given_transaction = CMutableTransaction([], [make_txout() for x in range(0, num_outputs)])
proxy = FakeBitcoinProxy()
result = proxy.signrawtransaction(given_transaction)
self.assertEqual(type(result), dict)
self.assertTrue("hex" in result.keys())
result_transaction_hex = result["hex"]
result_transaction = CMutableTransaction.deserialize(x(result_transaction_hex))
self.assertTrue(result_transaction is not given_transaction)
self.assertTrue(result_transaction.vin is not given_transaction.vin)
self.assertTrue(result_transaction.vout is not given_transaction.vout)
self.assertEqual(len(result_transaction.vout), len(given_transaction.vout))
self.assertEqual(result_transaction.vout[0].scriptPubKey, given_transaction.vout[0].scriptPubKey)
def test_sendrawtransaction(self):
num_outputs = 5
given_transaction = CMutableTransaction([], [make_txout() for x in range(0, num_outputs)])
expected_txid = b2lx(given_transaction.GetHash())
given_transaction_hex = b2x(given_transaction.serialize())
proxy = FakeBitcoinProxy()
resulting_txid = proxy.sendrawtransaction(given_transaction_hex)
self.assertEqual(resulting_txid, expected_txid)
def test__batch_empty_list_input(self):
requests = []
self.assertEqual(len(requests), 0) # must be empty for test
proxy = FakeBitcoinProxy()
results = proxy._batch(requests)
self.assertEqual(type(results), list)
self.assertEqual(len(results), 0)
def test__batch_raises_when_no_params(self):
proxy = FakeBitcoinProxy()
with self.assertRaises(TypeError):
proxy._batch()
def test__batch_same_count_results_as_requests(self):
proxy = FakeBitcoinProxy()
request = make_rpc_batch_request_entry("getblockcount", [])
requests = [request]
results = proxy._batch(requests)
self.assertEqual(len(requests), len(results))
def test__batch_gives_reasonable_getblockcount_result(self):
proxy = FakeBitcoinProxy()
request = make_rpc_batch_request_entry("getblockcount", [])
requests = [request]
results = proxy._batch(requests)
self.assertEqual(results[0]["result"], -1)
def test__batch_result_keys(self):
expected_keys = ["error", "id", "result"]
proxy = FakeBitcoinProxy()
request = make_rpc_batch_request_entry("getblockcount", [])
requests = [request]
results = proxy._batch(requests)
result = results[0]
self.assertTrue(all([expected_key in result.keys() for expected_key in expected_keys]))
def test__batch_result_error_is_none(self):
proxy = FakeBitcoinProxy()
request = make_rpc_batch_request_entry("getblockcount", [])
requests = [request]
results = proxy._batch(requests)
result = results[0]
self.assertEqual(result["error"], None)
def test__batch_returns_error_when_given_invalid_params(self):
params = 1
proxy = FakeBitcoinProxy()
request = make_rpc_batch_request_entry("getblockcount", params)
requests = [request]
results = proxy._batch(requests)
result = results[0]
self.assertEqual(type(result), dict)
self.assertIn("error", result.keys())
self.assertIn("id", result.keys())
self.assertIn("result", result.keys())
self.assertEqual(result["result"], None)
self.assertEqual(type(result["error"]), dict)
self.assertIn("message", result["error"].keys())
self.assertIn("code", result["error"].keys())
self.assertEqual(result["error"]["message"], "Params must be an array")
def test__batch_getblockhash_many(self):
block_count = 100
blocks = []
previous_blockhash = None
for counter in range(0, block_count):
blockhash = "00008c0c84aee66413f1e8ff95fdca5e8ebf35c94b090290077cdcea649{}".format(counter)
block_data = {
"hash": blockhash,
}
if previous_blockhash:
block_data["previous_blockhash"] = previous_blockhash
blocks.append(block_data)
previous_blockhash = blockhash
proxy = FakeBitcoinProxy(blocks=blocks)
count = proxy.getblockcount()
self.assertEqual(count, len(blocks) - 1)
requests = []
for counter in range(0, count + 1): # from 0 to len(blocks)
request = make_rpc_batch_request_entry("getblockhash", [counter])
requests.append(request)
results = proxy._batch(requests)
self.assertEqual(type(results), list)
self.assertEqual(len(results), len(requests))
for (counter, result) in enumerate(results):
self.assertEqual(result["error"], None)
expected_blockhash = "00008c0c84aee66413f1e8ff95fdca5e8ebf35c94b090290077cdcea649{}".format(counter)
self.assertEqual(result["result"], expected_blockhash)
def test_make_blocks_from_blockhashes(self):
blockhashes = ["blah{}".format(x) for x in range(0, 25)]
blocks = make_blocks_from_blockhashes(blockhashes)
self.assertEqual(type(blocks), list)
self.assertEqual(len(blocks), len(blockhashes))
self.assertEqual(type(blocks[0]), dict)
self.assertTrue(all(["hash" in block.keys() for block in blocks]))
self.assertTrue(all(["height" in block.keys() for block in blocks]))
self.assertTrue(all(["tx" in block.keys() for block in blocks]))
self.assertNotIn("previousblockhash", blocks[0].keys())
self.assertTrue(all(["previousblockhash" in block.keys() for block in blocks[1:]]))
self.assertEqual(blocks[-1]["previousblockhash"], blocks[-2]["hash"])
self.assertEqual(sorted([block["hash"] for block in blocks]), sorted(blockhashes))
def test_make_blocks_from_blockhashes_empty(self):
blockhashes = []
blocks = make_blocks_from_blockhashes(blockhashes)
self.assertEqual(type(blocks), list)
self.assertEqual(len(blocks), len(blockhashes))
# Just in case for some reason the function ever appends to the given
# list (incorrectly)..
self.assertEqual(len(blockhashes), 0)
self.assertEqual(len(blocks), 0)
# and because paranoia
self.assertTrue(blockhashes is not blocks)
if __name__ == "__main__":
unittest.main()
|
