def check_mempool_sizes(self, expected_size, check_node3=True):
for i in range(self.num_nodes if check_node3 else self.num_nodes - 1):
mempool = self.nodes[i].getrawmempool()
if len(mempool) != expected_size:
# print all nodes' mempools before failing
for i in range(self.num_nodes):
print("Mempool for node {}: {}".format(i, mempool))
fail("Fail: Mempool for node {}: size={}, expected={}".format(i, len(mempool), expected_size))
def assert_mergetoaddress_exception(expected_error_msg, merge_to_address_lambda):
try:
merge_to_address_lambda()
fail("Expected exception: %s" % expected_error_msg)
except JSONRPCException as e:
assert_equal(expected_error_msg, e.error['message'])
except Exception as e:
fail("Expected JSONRPCException. Found %s" % repr(e))
def verify_disconnected(self, testnode, timeout=30):
sleep_time = 0.05
while timeout > 0:
with mininode_lock:
if testnode.conn_closed:
return
time.sleep(sleep_time)
timeout -= sleep_time
fail("Should have received pong")
def check_mcreferencedata_presence(mcblock_hash, scblock_id, sc_node):
res = sc_node.block_findById(blockId=scblock_id)
# print(json.dumps(res, indent=4))
refDataList = res["result"]["block"]["mainchainBlockReferencesData"]
for refData in refDataList:
if refData["headerHash"] == mcblock_hash:
print("MC hash {0} is present in SC Block {1} mainchain reference data.".format(mcblock_hash, scblock_id))
return
fail("MC hash {0} was not found in SC Block {1} mainchain reference data.".format(mcblock_hash, scblock_id))
def check_mcheader_presence(mcblock_hash, scblock_id, sc_node):
res = sc_node.block_findById(blockId=scblock_id)
# print(json.dumps(res, indent=4))
headers = res["result"]["block"]["mainchainHeaders"]
for header in headers:
if header["hash"] == mcblock_hash:
print("MC hash {0} is present in SC Block {1} mainchain headers.".format(mcblock_hash, scblock_id))
return
fail("MC hash {0} was not found in SC Block {1} mainchain headers.".format(mcblock_hash, scblock_id))
def sync_with_ping(self, timeout=30):
self.connection.send_message(msg_ping(nonce=self.ping_counter))
sleep_time = 0.05
while timeout > 0:
with mininode_lock:
if self.last_pong.nonce == self.ping_counter:
self.ping_counter += 1
return
time.sleep(sleep_time)
timeout -= sleep_time
fail("Should have received pong")
def sync_with_ping(self, timeout=30, waiting_for=None):
self.connection.send_message(msg_ping(nonce=self.ping_counter))
sleep_time = 0.05
while timeout > 0:
with mininode_lock:
ready = True if waiting_for is None else waiting_for(
self) is not None
if ready and self.last_pong.nonce == self.ping_counter:
self.ping_counter += 1
return
time.sleep(sleep_time)
timeout -= sleep_time
fail("Should have received pong")
def check_ommer(ommer_scblock_id, ommer_mcheaders_hashes, scblock_id, sc_node):
res = sc_node.block_findById(blockId=scblock_id)
ommers = res["result"]["block"]["ommers"]
for ommer in ommers:
if ommer["header"]["id"] == ommer_scblock_id:
print("Ommer id {0} is present in SC Block {1} ommers.".format(ommer_scblock_id, scblock_id))
ommer_mcheaders = ommer["mainchainHeaders"]
if len(ommer_mcheaders_hashes) == 0:
return
for header in ommer_mcheaders:
if header["hash"] in ommer_mcheaders_hashes:
print("MC hash {0} is present in Ommer {1} mainchain headers.".format(header["hash"],
ommer_scblock_id))
return
else:
fail("MC hash {0} was not found in Ommer {1} mainchain headers.".format(header["hash"],
ommer_scblock_id))
fail("Ommer id {0} was not found in SC Block {1} ommers.".format(ommer_scblock_id, scblock_id))
def run_test(self):
testnode0 = TestNode()
connections = []
connections.append(
NodeConn('127.0.0.1', p2p_port(0), self.nodes[0], testnode0,
"regtest", OVERWINTER_PROTO_VERSION))
testnode0.add_connection(connections[0])
# Start up network handling in another thread
NetworkThread().start()
testnode0.wait_for_verack()
# Verify mininodes are connected to zelcashd nodes
peerinfo = self.nodes[0].getpeerinfo()
versions = [x["version"] for x in peerinfo]
assert_equal(1, versions.count(OVERWINTER_PROTO_VERSION))
assert_equal(0, peerinfo[0]["banscore"])
# Mine some blocks so we can spend
coinbase_blocks = self.nodes[0].generate(200)
node_address = self.nodes[0].getnewaddress()
# Sync nodes 0 and 1
sync_blocks(self.nodes[:2])
sync_mempools(self.nodes[:2])
# Verify block count
assert_equal(self.nodes[0].getblockcount(), 200)
assert_equal(self.nodes[1].getblockcount(), 200)
assert_equal(self.nodes[2].getblockcount(), 0)
# Mininodes send expiring soon transaction in "tx" message to zelcashd node
self.send_transaction(testnode0, coinbase_blocks[0], node_address, 203)
# Assert that the tx is not in the mempool (expiring soon)
assert_equal([], self.nodes[0].getrawmempool())
assert_equal([], self.nodes[1].getrawmempool())
assert_equal([], self.nodes[2].getrawmempool())
# Mininodes send transaction in "tx" message to zelcashd node
tx2 = self.send_transaction(testnode0, coinbase_blocks[1],
node_address, 204)
# tx2 is not expiring soon
assert_equal([tx2.hash], self.nodes[0].getrawmempool())
assert_equal([tx2.hash], self.nodes[1].getrawmempool())
# node 2 is isolated
assert_equal([], self.nodes[2].getrawmempool())
# Verify txid for tx2
self.verify_inv(testnode0, tx2)
self.send_data_message(testnode0, tx2)
self.verify_last_tx(testnode0, tx2)
# Sync and mine an empty block with node 2, leaving tx in the mempool of node0 and node1
for blkhash in coinbase_blocks:
blk = self.nodes[0].getblock(blkhash, 0)
self.nodes[2].submitblock(blk)
self.nodes[2].generate(1)
# Verify block count
assert_equal(self.nodes[0].getblockcount(), 200)
assert_equal(self.nodes[1].getblockcount(), 200)
assert_equal(self.nodes[2].getblockcount(), 201)
# Reconnect node 2 to the network
connect_nodes_bi(self.nodes, 0, 2)
# Set up test node for node 2
testnode2 = TestNode()
connections.append(
NodeConn('127.0.0.1', p2p_port(2), self.nodes[2], testnode2,
"regtest", OVERWINTER_PROTO_VERSION))
testnode2.add_connection(connections[-1])
# Verify block count
sync_blocks(self.nodes[:3])
assert_equal(self.nodes[0].getblockcount(), 201)
assert_equal(self.nodes[1].getblockcount(), 201)
assert_equal(self.nodes[2].getblockcount(), 201)
# Verify contents of mempool
assert_equal([tx2.hash], self.nodes[0].getrawmempool())
assert_equal([tx2.hash], self.nodes[1].getrawmempool())
assert_equal([], self.nodes[2].getrawmempool())
# Confirm tx2 cannot be submitted to a mempool because it is expiring soon.
try:
rawtx2 = hexlify(tx2.serialize())
self.nodes[2].sendrawtransaction(rawtx2)
fail("Sending transaction should have failed")
except JSONRPCException as e:
assert_equal(
"tx-expiring-soon: expiryheight is 204 but should be at least 205 to avoid transaction expiring soon",
e.error['message'])
self.send_data_message(testnode0, tx2)
# Sync up with node after p2p messages delivered
testnode0.sync_with_ping()
# Verify node 0 does not reply to "getdata" by sending "tx" message, as tx2 is expiring soon
with mininode_lock:
assert_equal(testnode0.last_tx, None)
# Verify mininode received a "notfound" message containing the txid of tx2
with mininode_lock:
msg = testnode0.last_notfound
assert_equal(len(msg.inv), 1)
assert_equal(tx2.sha256, msg.inv[0].hash)
# Create a transaction to verify that processing of "getdata" messages is functioning
tx3 = self.send_transaction(testnode0, coinbase_blocks[2],
node_address, 999)
self.send_data_message(testnode0, tx3)
self.verify_last_tx(testnode0, tx3)
# Verify txid for tx3 is returned in "inv", but tx2 which is expiring soon is not returned
self.verify_inv(testnode0, tx3)
self.verify_inv(testnode2, tx3)
# Verify contents of mempool
assert_equal({tx2.hash, tx3.hash}, set(self.nodes[0].getrawmempool()))
assert_equal({tx2.hash, tx3.hash}, set(self.nodes[1].getrawmempool()))
assert_equal({tx3.hash}, set(self.nodes[2].getrawmempool()))
# Verify banscore for nodes are still zero
assert_equal(
0, sum(peer["banscore"] for peer in self.nodes[0].getpeerinfo()))
assert_equal(
0, sum(peer["banscore"] for peer in self.nodes[2].getpeerinfo()))
[c.disconnect_node() for c in connections]
def run_test(self):
# Sanity-check the test harness
self.nodes[0].generate(101)
assert_equal(self.nodes[0].getblockcount(), 101)
self.sync_all()
# Node 0 shields some funds
dest_addr = self.nodes[0].z_getnewaddress(POOL_NAME.lower())
taddr0 = get_coinbase_address(self.nodes[0])
if (POOL_NAME == "SPROUT"):
myopid = self.nodes[0].z_shieldcoinbase(taddr0, dest_addr, 0,
1)['opid']
elif (POOL_NAME == "SAPLING"):
recipients = []
recipients.append({"address": dest_addr, "amount": Decimal('10')})
myopid = self.nodes[0].z_sendmany(taddr0, recipients, 1, 0)
else:
fail("Unrecognized pool name: " + POOL_NAME)
wait_and_assert_operationid_status(self.nodes[0], myopid)
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[0].z_getbalance(dest_addr), Decimal('10'))
# Verify size of shielded pool
self.assert_pool_balance(self.nodes[0], POOL_NAME.lower(),
Decimal('10'))
self.assert_pool_balance(self.nodes[1], POOL_NAME.lower(),
Decimal('10'))
self.assert_pool_balance(self.nodes[2], POOL_NAME.lower(),
Decimal('10'))
# Relaunch node 0 with in-memory size of value pools set to zero.
self.restart_and_sync_node(0, TURNSTILE_ARGS)
# Verify size of shielded pool
self.assert_pool_balance(self.nodes[0], POOL_NAME.lower(),
Decimal('0'))
self.assert_pool_balance(self.nodes[1], POOL_NAME.lower(),
Decimal('10'))
self.assert_pool_balance(self.nodes[2], POOL_NAME.lower(),
Decimal('10'))
# Node 0 creates an unshielding transaction
recipients = []
recipients.append({"address": taddr0, "amount": Decimal('1')})
myopid = self.nodes[0].z_sendmany(dest_addr, recipients, 1, 0)
mytxid = wait_and_assert_operationid_status(self.nodes[0], myopid)
# Verify transaction appears in mempool of nodes
self.sync_all()
assert (mytxid in self.nodes[0].getrawmempool())
assert (mytxid in self.nodes[1].getrawmempool())
assert (mytxid in self.nodes[2].getrawmempool())
# Node 0 mines a block
count = self.nodes[0].getblockcount()
self.nodes[0].generate(1)
self.sync_all()
# Verify the mined block does not contain the unshielding transaction
block = self.nodes[0].getblock(self.nodes[0].getbestblockhash())
assert_equal(len(block["tx"]), 1)
assert_equal(block["height"], count + 1)
# Stop node 0 and check logs to verify the miner excluded the transaction from the block
string_to_find = "CreateNewBlock: tx " + mytxid + " appears to violate " + POOL_NAME.capitalize(
) + " turnstile"
check_node_log(self, 0, string_to_find)
# Launch node 0 with in-memory size of value pools set to zero.
self.start_and_sync_node(0, TURNSTILE_ARGS)
# Node 1 mines a block
oldhash = self.nodes[0].getbestblockhash()
self.nodes[1].generate(1)
newhash = self.nodes[1].getbestblockhash()
# Verify block contains the unshielding transaction
assert (mytxid in self.nodes[1].getblock(newhash)["tx"])
# Verify nodes 1 and 2 have accepted the block as valid
sync_blocks(self.nodes[1:3])
sync_mempools(self.nodes[1:3])
assert_equal(len(self.nodes[1].getrawmempool()), 0)
assert_equal(len(self.nodes[2].getrawmempool()), 0)
# Verify node 0 has not accepted the block
assert_equal(oldhash, self.nodes[0].getbestblockhash())
assert (mytxid in self.nodes[0].getrawmempool())
self.assert_pool_balance(self.nodes[0], POOL_NAME.lower(),
Decimal('0'))
# Verify size of shielded pool
self.assert_pool_balance(self.nodes[0], POOL_NAME.lower(),
Decimal('0'))
self.assert_pool_balance(self.nodes[1], POOL_NAME.lower(),
Decimal('9'))
self.assert_pool_balance(self.nodes[2], POOL_NAME.lower(),
Decimal('9'))
# Stop node 0 and check logs to verify the block was rejected as a turnstile violation
string_to_find1 = "ConnectBlock(): turnstile violation in " + POOL_NAME.capitalize(
) + " shielded value pool"
string_to_find2 = "InvalidChainFound: invalid block="
string_to_find3 = "ConnectTip(): ConnectBlock " + newhash + " failed"
check_node_log(self, 0, string_to_find1, True)
check_node_log(self, 0, string_to_find2, False)
check_node_log(self, 0, string_to_find3, False)
self.start_and_sync_node(0)
assert_equal(newhash, self.nodes[0].getbestblockhash())
def run_test(self):
time.sleep(0.1)
self.sync_all()
mc_node = self.nodes[0]
sc_node = self.sc_nodes[0]
# Check that MC block with sc creation tx is referenced in the genesis sc block
mcblock_hash0 = mc_node.getbestblockhash()
scblock_id0 = sc_node.block_best()["result"]["block"]["id"]
check_mcreference_presence(mcblock_hash0, scblock_id0, sc_node)
# Check that MC block with sc creation tx height is the same as in genesis info.
sc_creation_mc_block_height = mc_node.getblock(mcblock_hash0)["height"]
assert_equal(
sc_creation_mc_block_height,
self.sc_nodes_bootstrap_info.mainchain_block_height,
"Genesis info expected to have the same genesis mc block height as in MC node."
)
# check all keys/boxes/balances are coherent with the default initialization
check_wallet_balance(
sc_node, self.sc_nodes_bootstrap_info.genesis_account_balance)
check_box_balance(sc_node,
self.sc_nodes_bootstrap_info.genesis_account, 3, 1,
self.sc_nodes_bootstrap_info.genesis_account_balance)
# create FT to SC to withdraw later
sc_address = sc_node.wallet_createPrivateKey25519(
)["result"]["proposition"]["publicKey"]
sc_account = Account("", sc_address)
ft_amount = 10
mc_node.sc_send(sc_address, ft_amount,
self.sc_nodes_bootstrap_info.sidechain_id)
assert_equal(1,
mc_node.getmempoolinfo()["size"],
"Forward Transfer expected to be added to mempool.")
# Generate MC block and SC block and check that FT appears in SC node wallet
mcblock_hash1 = mc_node.generate(1)[0]
scblock_id1 = generate_next_blocks(sc_node, "first node", 1)[0]
check_mcreference_presence(mcblock_hash1, scblock_id1, sc_node)
# check all keys/boxes/balances are coherent with the default initialization
check_wallet_balance(
sc_node,
self.sc_nodes_bootstrap_info.genesis_account_balance + ft_amount)
check_box_balance(sc_node, sc_account, 1, 1, ft_amount)
# Generate 8 more MC block to finish the first withdrawal epoch, then generate 3 more SC block to sync with MC.
we0_end_mcblock_hash = mc_node.generate(8)[7]
scblock_id2 = generate_next_blocks(sc_node, "first node", 3)[2]
check_mcreferencedata_presence(we0_end_mcblock_hash, scblock_id2,
sc_node)
# Generate first mc block of the next epoch
we1_1_mcblock_hash = mc_node.generate(1)[0]
print("End mc block hash in withdrawal epoch 0 = " +
we0_end_mcblock_hash)
scblock_id3 = generate_next_blocks(sc_node, "first node", 1)[0]
check_mcreference_presence(we1_1_mcblock_hash, scblock_id3, sc_node)
# Wait until Certificate will appear in MC node mempool
attempts = 20
while mc_node.getmempoolinfo()["size"] == 0 and attempts > 0:
print("Wait for certificate in mc mempool...")
time.sleep(10)
attempts -= 1
sc_node.block_best(
) # just a ping to SC node. For some reason, STF can't request SC node API after a while idle.
assert_equal(1,
mc_node.getmempoolinfo()["size"],
"Certificate was not added to Mc node mmepool.")
# Get Certificate for Withdrawal epoch 0 and verify it
we0_certHash = mc_node.getrawmempool()[0]
print("Withdrawal epoch 0 certificate hash = " + we0_certHash)
we0_cert = mc_node.getrawcertificate(we0_certHash, 1)
assert_equal(self.sc_nodes_bootstrap_info.sidechain_id,
we0_cert["cert"]["scid"],
"Sidechain Id in certificate is wrong.")
assert_equal(0, we0_cert["cert"]["epochNumber"],
"Sidechain epoch number in certificate is wrong.")
assert_equal(we0_end_mcblock_hash,
we0_cert["cert"]["endEpochBlockHash"],
"Sidechain endEpochBlockHash in certificate is wrong.")
assert_equal(0, we0_cert["cert"]["totalAmount"],
"Sidechain total amount in certificate is wrong.")
# Generate MC block and verify that certificate is present
we1_2_mcblock_hash = mc_node.generate(1)[0]
assert_equal(
0,
mc_node.getmempoolinfo()["size"],
"Certificate expected to be removed from MC node mempool.")
assert_equal(1, len(mc_node.getblock(we1_2_mcblock_hash)["tx"]),
"MC block expected to contain 1 transaction.")
assert_equal(1, len(mc_node.getblock(we1_2_mcblock_hash)["cert"]),
"MC block expected to contain 1 Certificate.")
assert_equal(we0_certHash,
mc_node.getblock(we1_2_mcblock_hash)["cert"][0],
"MC block expected to contain certificate.")
print(
"MC block with withdrawal certificate for epoch 0 = {0}\n".format(
str(mc_node.getblock(we1_2_mcblock_hash, False))))
# Generate SC block and verify that certificate is synced back
scblock_id4 = generate_next_blocks(sc_node, "first node", 1)[0]
check_mcreference_presence(we1_2_mcblock_hash, scblock_id4, sc_node)
# Verify Certificate for epoch 0 on SC side
we0_sc_cert = sc_node.block_best()["result"]["block"][
"mainchainBlockReferencesData"][0]["withdrawalEpochCertificate"]
assert_equal(self.sc_nodes_bootstrap_info.sidechain_id,
we0_sc_cert["sidechainId"],
"Sidechain Id in certificate is wrong.")
assert_equal(0, we0_sc_cert["epochNumber"],
"Sidechain epoch number in certificate is wrong.")
assert_equal(we0_end_mcblock_hash, we0_sc_cert["endEpochBlockHash"],
"Sidechain endEpochBlockHash in certificate is wrong.")
assert_equal(0, len(we0_sc_cert["backwardTransferOutputs"]),
"Backward transfer amount in certificate is wrong.")
assert_equal(we0_certHash, we0_sc_cert["hash"],
"Certificate hash is different to the one in MC.")
# Try to withdraw coins from SC to MC: 2 withdrawals with the same amount
addresses = mc_node.listaddresses()
mc_address1_hash = mc_node.getnewaddress("", True)
mc_address1_standard = (set(mc_node.listaddresses()) -
set(addresses)).pop()
print("First BT MC public key hash is {}".format(mc_address1_hash))
print("First BT MC public key address is {}".format(
mc_address1_standard))
bt_amount1 = ft_amount - 3
sc_bt_amount1 = bt_amount1 * 100000000 # in Satoshi
withdrawal_request = {"outputs": [ \
{ "publicKey": mc_address1_standard,
"value": sc_bt_amount1 }
]
}
withdrawCoinsJson = sc_node.transaction_withdrawCoins(
json.dumps(withdrawal_request))
if "result" not in withdrawCoinsJson:
fail("Withdraw coins failed: " + json.dumps(withdrawCoinsJson))
else:
print("Coins withdrawn: " + json.dumps(withdrawCoinsJson))
# Generate SC block
generate_next_blocks(sc_node, "first node", 1)
addresses = mc_node.listaddresses()
mc_address2_hash = self.nodes[0].getnewaddress("", True)
mc_address2_standard = (set(mc_node.listaddresses()) -
set(addresses)).pop()
print("Second BT MC public key hash is {}".format(mc_address2_hash))
print("Second BT MC public key address is {}".format(
mc_address2_standard))
bt_amount2 = ft_amount - bt_amount1
sc_bt_amount2 = bt_amount2 * 100000000 # in Satoshi
withdrawal_request = {"outputs": [ \
{ "publicKey": mc_address2_standard,
"value": sc_bt_amount2 }
]
}
withdrawCoinsJson = sc_node.transaction_withdrawCoins(
json.dumps(withdrawal_request))
if "result" not in withdrawCoinsJson:
fail("Withdraw coins failed: " + json.dumps(withdrawCoinsJson))
else:
print("Coins withdrawn: " + json.dumps(withdrawCoinsJson))
sc_node.transaction_withdrawCoins(json.dumps(withdrawal_request))
# Generate SC block
generate_next_blocks(sc_node, "first node", 1)
# Generate 8 more MC block to finish the first withdrawal epoch, then generate 3 more SC block to sync with MC.
we1_end_mcblock_hash = mc_node.generate(8)[7]
we1_end_scblock_id = generate_next_blocks(sc_node, "first node", 3)[2]
check_mcreferencedata_presence(we1_end_mcblock_hash,
we1_end_scblock_id, sc_node)
# Generate first mc block of the next epoch
we2_1_mcblock_hash = mc_node.generate(1)[0]
print("End mc block hash in withdrawal epoch 1 = " +
we2_1_mcblock_hash)
we2_1_scblock_id = generate_next_blocks(sc_node, "first node", 1)[0]
check_mcreference_presence(we2_1_mcblock_hash, we2_1_scblock_id,
sc_node)
# Wait until Certificate will appear in MC node mempool
attempts = 20
while mc_node.getmempoolinfo()["size"] == 0 and attempts > 0:
print("Wait for certificate in mc mempool...")
time.sleep(10)
attempts -= 1
sc_node.block_best(
) # just a ping to SC node. For some reason, STF can't request SC node API after a while idle.
assert_equal(1,
mc_node.getmempoolinfo()["size"],
"Certificate was not added to Mc node mmepool.")
# Get Certificate for Withdrawal epoch 1 and verify it
we1_certHash = mc_node.getrawmempool()[0]
print("Withdrawal epoch 1 certificate hash = " + we1_certHash)
we1_cert = mc_node.getrawcertificate(we1_certHash, 1)
assert_equal(self.sc_nodes_bootstrap_info.sidechain_id,
we1_cert["cert"]["scid"],
"Sidechain Id in certificate is wrong.")
assert_equal(1, we1_cert["cert"]["epochNumber"],
"Sidechain epoch number in certificate is wrong.")
assert_equal(we1_end_mcblock_hash,
we1_cert["cert"]["endEpochBlockHash"],
"Sidechain endEpochBlockHash in certificate is wrong.")
assert_equal(bt_amount1 + bt_amount2, we1_cert["cert"]["totalAmount"],
"Sidechain total amount in certificate is wrong.")
# Generate MC block and verify that certificate is present
we2_2_mcblock_hash = mc_node.generate(1)[0]
assert_equal(
0,
mc_node.getmempoolinfo()["size"],
"Certificate expected to be removed from MC node mempool.")
assert_equal(1, len(mc_node.getblock(we2_2_mcblock_hash)["tx"]),
"MC block expected to contain 1 transaction.")
assert_equal(1, len(mc_node.getblock(we2_2_mcblock_hash)["cert"]),
"MC block expected to contain 1 Certificate.")
assert_equal(we1_certHash,
mc_node.getblock(we2_2_mcblock_hash)["cert"][0],
"MC block expected to contain certificate.")
# Check certificate BT entries
assert_equal(bt_amount1, we1_cert["vout"][1]["value"],
"First BT amount is wrong.")
assert_equal(bt_amount2, we1_cert["vout"][2]["value"],
"Second BT amount is wrong.")
cert_address_1 = we1_cert["vout"][1]["scriptPubKey"]["addresses"][0]
assert_equal(mc_address1_standard, cert_address_1,
"First BT standard address is wrong.")
cert_address_2 = we1_cert["vout"][2]["scriptPubKey"]["addresses"][0]
assert_equal(mc_address2_standard, cert_address_2,
"Second BT standard address is wrong.")
cert_address_hash_1 = we1_cert["vout"][1]["pubkeyhash"]
assert_equal(mc_address1_hash, cert_address_hash_1,
"First BT pub key hash address is wrong.")
cert_address_hash_2 = we1_cert["vout"][2]["pubkeyhash"]
assert_equal(mc_address2_hash, cert_address_hash_2,
"Second BT pub key hash address is wrong.")
# Check changes in balances in MC
# Note destination addresses also can contain some fees assigned to them during mining
assert_equal(
bt_amount1,
math.floor(mc_node.getreceivedbyaddress(mc_address1_standard)),
"First BT amount expected to be found in MC wallet")
assert_equal(
bt_amount2,
math.floor(mc_node.getreceivedbyaddress(mc_address2_standard)),
"Second BT amount expected to be found in MC wallet")
# Generate SC block and verify that certificate is synced back
scblock_id5 = generate_next_blocks(sc_node, "first node", 1)[0]
check_mcreference_presence(we2_2_mcblock_hash, scblock_id5, sc_node)
# Verify Certificate for epoch 1 on SC side
we1_sc_cert = sc_node.block_best()["result"]["block"][
"mainchainBlockReferencesData"][0]["withdrawalEpochCertificate"]
assert_equal(self.sc_nodes_bootstrap_info.sidechain_id,
we1_sc_cert["sidechainId"],
"Sidechain Id in certificate is wrong.")
assert_equal(1, we1_sc_cert["epochNumber"],
"Sidechain epoch number in certificate is wrong.")
assert_equal(we1_end_mcblock_hash, we1_sc_cert["endEpochBlockHash"],
"Sidechain endEpochBlockHash in certificate is wrong.")
assert_equal(2, len(we1_sc_cert["backwardTransferOutputs"]),
"Backward transfer amount in certificate is wrong.")
sc_pub_key_hash_1 = we1_sc_cert["backwardTransferOutputs"][0][
"pubKeyHash"]
assert_equal(mc_address1_standard, sc_pub_key_hash_1,
"First BT address is wrong.")
assert_equal(sc_bt_amount1,
we1_sc_cert["backwardTransferOutputs"][0]["amount"],
"First BT amount is wrong.")
sc_pub_key_hash_2 = we1_sc_cert["backwardTransferOutputs"][1][
"pubKeyHash"]
assert_equal(mc_address2_standard, sc_pub_key_hash_2,
"Second BT address is wrong.")
assert_equal(sc_bt_amount2,
we1_sc_cert["backwardTransferOutputs"][1]["amount"],
"Second BT amount is wrong.")
assert_equal(we1_certHash, we1_sc_cert["hash"],
"Certificate hash is different to the one in MC.")
def run_test(self):
self.nodes[0].generate(105)
self.sync_all()
chain_height = self.nodes[1].getblockcount()
assert_equal(chain_height, 105)
# Test getrawtransaction changes and the getspentinfo RPC
# send coinbase to address addr1
addr1 = self.nodes[1].getnewaddress()
txid1 = self.nodes[0].sendtoaddress(addr1, 2)
self.sync_all()
block_hash1 = self.nodes[0].generate(1)
self.sync_all()
# send from addr1 to addr2
# (the only utxo on node 1 is from address addr1)
addr2 = self.nodes[2].getnewaddress()
txid2 = self.nodes[1].sendtoaddress(addr2, 1)
self.sync_all()
# addr1 to addr2 transaction is not confirmed, so it has no height
tx2 = self.nodes[2].getrawtransaction(txid2, 1)
assert ('height' not in tx2)
# confirm addr1 to addr2 transaction
block_hash2 = self.nodes[0].generate(1)
self.sync_all()
# Restart all nodes to ensure index files are saved to disk and recovered
stop_nodes(self.nodes)
wait_bitcoinds()
self.setup_network()
# Check new fields added to getrawtransaction
tx1 = self.nodes[2].getrawtransaction(txid1, 1)
assert_equal(tx1['vin'][0]['value'], 10) # coinbase
assert_equal(tx1['vin'][0]['valueSat'], 10 * COIN)
# we want the non-change (payment) output
vout = filter(lambda o: o['value'] == 2, tx1['vout'])
n = vout[0]['n']
assert_equal(vout[0]['spentTxId'], txid2)
assert_equal(vout[0]['spentIndex'], 0)
assert_equal(vout[0]['spentHeight'], 107)
assert_equal(tx1['height'], 106)
tx2 = self.nodes[2].getrawtransaction(txid2, 1)
assert_equal(tx2['vin'][0]['address'], addr1)
assert_equal(tx2['vin'][0]['value'], 2)
assert_equal(tx2['vin'][0]['valueSat'], 2 * COIN)
# since this transaction's outputs haven't yet been
# spent, these fields should not be present
assert ('spentTxId' not in tx2['vout'][0])
assert ('spentIndex' not in tx2['vout'][0])
assert ('spentHeight' not in tx2['vout'][0])
assert_equal(tx2['height'], 107)
# Given a transaction output, getspentinfo() returns a reference
# to the (later, confirmed) transaction that spent that output,
# that is, the transaction that used this output as an input.
spentinfo = self.nodes[2].getspentinfo({'txid': txid1, 'index': n})
assert_equal(spentinfo['height'], 107)
assert_equal(spentinfo['index'], 0)
assert_equal(spentinfo['txid'], txid2)
# specifying an output that hasn't been spent should fail
try:
self.nodes[1].getspentinfo({'txid': txid2, 'index': 0})
fail('getspentinfo should have thrown an exception')
except JSONRPCException, e:
assert_equal(e.error['message'], "Unable to get spent info")
def run_test(self):
testnode0 = TestNode()
connections = []
connections.append(NodeConn('127.0.0.1', p2p_port(0), self.nodes[0],
testnode0, "regtest", OVERWINTER_PROTO_VERSION))
testnode0.add_connection(connections[0])
# Start up network handling in another thread
NetworkThread().start()
testnode0.wait_for_verack()
# Verify mininodes are connected to zcashd nodes
peerinfo = self.nodes[0].getpeerinfo()
versions = [x["version"] for x in peerinfo]
assert_equal(1, versions.count(OVERWINTER_PROTO_VERSION))
assert_equal(0, peerinfo[0]["banscore"])
# Mine some blocks so we can spend
coinbase_blocks = self.nodes[0].generate(200)
node_address = self.nodes[0].getnewaddress()
# Sync nodes 0 and 1
sync_blocks(self.nodes[:2])
sync_mempools(self.nodes[:2])
# Verify block count
assert_equal(self.nodes[0].getblockcount(), 200)
assert_equal(self.nodes[1].getblockcount(), 200)
assert_equal(self.nodes[2].getblockcount(), 0)
# Mininodes send expiring soon transaction in "tx" message to zcashd node
self.send_transaction(testnode0, coinbase_blocks[0], node_address, 203)
# Assert that the tx is not in the mempool (expiring soon)
assert_equal([], self.nodes[0].getrawmempool())
assert_equal([], self.nodes[1].getrawmempool())
assert_equal([], self.nodes[2].getrawmempool())
# Mininodes send transaction in "tx" message to zcashd node
tx2 = self.send_transaction(testnode0, coinbase_blocks[1], node_address, 204)
# tx2 is not expiring soon
assert_equal([tx2.hash], self.nodes[0].getrawmempool())
assert_equal([tx2.hash], self.nodes[1].getrawmempool())
# node 2 is isolated
assert_equal([], self.nodes[2].getrawmempool())
# Verify txid for tx2
self.verify_inv(testnode0, tx2)
self.send_data_message(testnode0, tx2)
self.verify_last_tx(testnode0, tx2)
# Sync and mine an empty block with node 2, leaving tx in the mempool of node0 and node1
for blkhash in coinbase_blocks:
blk = self.nodes[0].getblock(blkhash, 0)
self.nodes[2].submitblock(blk)
self.nodes[2].generate(1)
# Verify block count
assert_equal(self.nodes[0].getblockcount(), 200)
assert_equal(self.nodes[1].getblockcount(), 200)
assert_equal(self.nodes[2].getblockcount(), 201)
# Reconnect node 2 to the network
connect_nodes_bi(self.nodes, 0, 2)
# Set up test node for node 2
testnode2 = TestNode()
connections.append(NodeConn('127.0.0.1', p2p_port(2), self.nodes[2],
testnode2, "regtest", OVERWINTER_PROTO_VERSION))
testnode2.add_connection(connections[-1])
# Verify block count
sync_blocks(self.nodes[:3])
assert_equal(self.nodes[0].getblockcount(), 201)
assert_equal(self.nodes[1].getblockcount(), 201)
assert_equal(self.nodes[2].getblockcount(), 201)
# Verify contents of mempool
assert_equal([tx2.hash], self.nodes[0].getrawmempool())
assert_equal([tx2.hash], self.nodes[1].getrawmempool())
assert_equal([], self.nodes[2].getrawmempool())
# Confirm tx2 cannot be submitted to a mempool because it is expiring soon.
try:
rawtx2 = hexlify(tx2.serialize())
self.nodes[2].sendrawtransaction(rawtx2)
fail("Sending transaction should have failed")
except JSONRPCException as e:
assert_equal(
"tx-expiring-soon: expiryheight is 204 but should be at least 205 to avoid transaction expiring soon",
e.error['message']
)
self.send_data_message(testnode0, tx2)
# Sync up with node after p2p messages delivered
testnode0.sync_with_ping()
# Verify node 0 does not reply to "getdata" by sending "tx" message, as tx2 is expiring soon
with mininode_lock:
assert_equal(testnode0.last_tx, None)
# Verify mininode received a "notfound" message containing the txid of tx2
with mininode_lock:
msg = testnode0.last_notfound
assert_equal(len(msg.inv), 1)
assert_equal(tx2.sha256, msg.inv[0].hash)
# Create a transaction to verify that processing of "getdata" messages is functioning
tx3 = self.send_transaction(testnode0, coinbase_blocks[2], node_address, 999)
self.send_data_message(testnode0, tx3)
self.verify_last_tx(testnode0, tx3)
# Verify txid for tx3 is returned in "inv", but tx2 which is expiring soon is not returned
self.verify_inv(testnode0, tx3)
self.verify_inv(testnode2, tx3)
# Verify contents of mempool
assert_equal({tx2.hash, tx3.hash}, set(self.nodes[0].getrawmempool()))
assert_equal({tx2.hash, tx3.hash}, set(self.nodes[1].getrawmempool()))
assert_equal({tx3.hash}, set(self.nodes[2].getrawmempool()))
# Verify banscore for nodes are still zero
assert_equal(0, sum(peer["banscore"] for peer in self.nodes[0].getpeerinfo()))
assert_equal(0, sum(peer["banscore"] for peer in self.nodes[2].getpeerinfo()))
[c.disconnect_node() for c in connections]
def run_test(self):
self.nodes[0].generate(105)
self.sync_all()
chain_height = self.nodes[1].getblockcount()
assert_equal(chain_height, 105)
# Test getrawtransaction changes and the getspentinfo RPC
# send coinbase to address addr1
addr1 = self.nodes[1].getnewaddress()
txid1 = self.nodes[0].sendtoaddress(addr1, 2)
self.sync_all()
block_hash1 = self.nodes[0].generate(1)
self.sync_all()
# send from addr1 to addr2
# (the only utxo on node 1 is from address addr1)
addr2 = self.nodes[2].getnewaddress()
txid2 = self.nodes[1].sendtoaddress(addr2, 1)
self.sync_all()
# addr1 to addr2 transaction is not confirmed, so it has no height
tx2 = self.nodes[2].getrawtransaction(txid2, 1)
assert('height' not in tx2)
# confirm addr1 to addr2 transaction
block_hash2 = self.nodes[0].generate(1)
self.sync_all()
# Restart all nodes to ensure index files are saved to disk and recovered
stop_nodes(self.nodes)
wait_bitcoinds()
self.setup_network()
# Check new fields added to getrawtransaction
tx1 = self.nodes[2].getrawtransaction(txid1, 1)
assert_equal(tx1['vin'][0]['value'], 97) # coinbase
assert_equal(tx1['vin'][0]['valueSat'], 97*COIN)
# we want the non-change (payment) output
vout = list(filter(lambda o: o['value'] == 2, tx1['vout']))
n = vout[0]['n']
assert_equal(vout[0]['spentTxId'], txid2)
assert_equal(vout[0]['spentIndex'], 0)
assert_equal(vout[0]['spentHeight'], 107)
assert_equal(tx1['height'], 106)
tx2 = self.nodes[2].getrawtransaction(txid2, 1)
assert_equal(tx2['vin'][0]['address'], addr1)
assert_equal(tx2['vin'][0]['value'], 2)
assert_equal(tx2['vin'][0]['valueSat'], 2*COIN)
# since this transaction's outputs haven't yet been
# spent, these fields should not be present
assert('spentTxId' not in tx2['vout'][0])
assert('spentIndex' not in tx2['vout'][0])
assert('spentHeight' not in tx2['vout'][0])
assert_equal(tx2['height'], 107)
# Given a transaction output, getspentinfo() returns a reference
# to the (later, confirmed) transaction that spent that output,
# that is, the transaction that used this output as an input.
spentinfo = self.nodes[2].getspentinfo({'txid': txid1, 'index': n})
assert_equal(spentinfo['height'], 107)
assert_equal(spentinfo['index'], 0)
assert_equal(spentinfo['txid'], txid2)
# specifying an output that hasn't been spent should fail
try:
self.nodes[1].getspentinfo({'txid': txid2, 'index': 0})
fail('getspentinfo should have thrown an exception')
except JSONRPCException as e:
assert_equal(e.error['message'], "Unable to get spent info")
block_hash_next = self.nodes[0].generate(1)
self.sync_all()
# Test the getblockdeltas RPC
blockdeltas = self.nodes[2].getblockdeltas(block_hash1[0])
assert_equal(blockdeltas['confirmations'], 3)
assert_equal(blockdeltas['height'], 106)
assert_equal(blockdeltas['version'], 5)
assert_equal(blockdeltas['hash'], block_hash1[0])
assert_equal(blockdeltas['nextblockhash'], block_hash2[0])
deltas = blockdeltas['deltas']
# block contains two transactions, coinbase, and earlier coinbase to addr1
assert_equal(len(deltas), 2)
coinbase_tx = deltas[0]
assert_equal(coinbase_tx['index'], 0)
assert_equal(len(coinbase_tx['inputs']), 0)
assert_equal(len(coinbase_tx['outputs']), 2)
assert_equal(coinbase_tx['outputs'][0]['index'], 0)
assert_equal(coinbase_tx['outputs'][1]['index'], 1)
assert_equal(coinbase_tx['outputs'][1]['satoshis'], 300000024)
to_a_tx = deltas[1]
assert_equal(to_a_tx['index'], 1)
assert_equal(to_a_tx['txid'], txid1)
assert_equal(len(to_a_tx['inputs']), 1)
assert_equal(to_a_tx['inputs'][0]['index'], 0)
assert_equal(to_a_tx['inputs'][0]['prevout'], 0)
assert_equal(to_a_tx['inputs'][0]['satoshis'], -97*COIN)
assert_equal(len(to_a_tx['outputs']), 2)
# find the nonchange output, which is the payment to addr1
out = list(filter(lambda o: o['satoshis'] == 2*COIN, to_a_tx['outputs']))
assert_equal(len(out), 1)
assert_equal(out[0]['address'], addr1)
blockdeltas = self.nodes[2].getblockdeltas(block_hash2[0])
assert_equal(blockdeltas['confirmations'], 2)
assert_equal(blockdeltas['height'], 107)
assert_equal(blockdeltas['version'], 5)
assert_equal(blockdeltas['hash'], block_hash2[0])
assert_equal(blockdeltas['previousblockhash'], block_hash1[0])
assert_equal(blockdeltas['nextblockhash'], block_hash_next[0])
deltas = blockdeltas['deltas']
assert_equal(len(deltas), 2)
coinbase_tx = deltas[0]
assert_equal(coinbase_tx['index'], 0)
assert_equal(len(coinbase_tx['inputs']), 0)
assert_equal(len(coinbase_tx['outputs']), 2)
assert_equal(coinbase_tx['outputs'][0]['index'], 0)
assert_equal(coinbase_tx['outputs'][1]['index'], 1)
assert_equal(coinbase_tx['outputs'][1]['satoshis'], 300000024)
to_b_tx = deltas[1]
assert_equal(to_b_tx['index'], 1)
assert_equal(to_b_tx['txid'], txid2)
assert_equal(len(to_b_tx['inputs']), 1)
assert_equal(to_b_tx['inputs'][0]['index'], 0)
assert_equal(to_b_tx['inputs'][0]['prevtxid'], txid1)
assert_equal(to_b_tx['inputs'][0]['satoshis'], -2*COIN)
assert_equal(len(to_b_tx['outputs']), 2)
# find the nonchange output, which is the payment to addr2
out = list(filter(lambda o: o['satoshis'] == 1*COIN, to_b_tx['outputs']))
assert_equal(len(out), 1)
assert_equal(out[0]['address'], addr2)