def getBlock(self, block, block_size, form):
url = urllib.parse.urlparse(self.nodes[0].url)
# /rest/block/BLOCKHASH call
response = http_get_call(
url.hostname, url.port,
'/rest/block/' + block.hash + self.FORMAT_SEPARATOR + form)
assert_equal(response.status, 200)
if form == "json":
checkJsonBlock(json.loads(response.read().decode('utf-8')), True,
block.hash)
assert_equal(response.getheader('content-length'), None)
responseNoTx = http_get_call(
url.hostname, url.port, '/rest/block/notxdetails/' +
block.hash + self.FORMAT_SEPARATOR + form)
checkJsonBlock(json.loads(responseNoTx.read().decode('utf-8')),
False, block.hash)
assert_equal(responseNoTx.getheader('content-length'), None)
elif form == "bin":
assert_equal(response.getheader('content-length'), str(block_size))
assert_equal(block.serialize(), response.read())
elif form == "hex":
assert_equal(response.getheader('content-length'),
str(block_size * 2))
assert_equal(ToHex(block), response.read().decode('utf-8'))
def getLargeBlockWithoutFailing(self, block_hash, block_size):
url = urllib.parse.urlparse(self.nodes[0].url)
# /rest/block/BLOCKHASH call
response = http_get_call(
url.hostname, url.port,
'/rest/block/' + block_hash + self.FORMAT_SEPARATOR + 'json')
assert_equal(response.status, 200)
json_string = response.read().decode('utf-8')
json_obj = json.loads(json_string)
assert_equal(json_obj['hash'], block_hash)
def run_test(self):
url = urllib.parse.urlparse(self.nodes[0].url)
self.log.info("Mining blocks...")
self.nodes[0].generate(1)
self.sync_all()
self.nodes[2].generate(100)
self.sync_all()
assert_equal(self.nodes[0].getbalance(), 5000)
txid = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 0.1)
self.sync_all()
self.nodes[2].generate(1)
self.sync_all()
bb_hash = self.nodes[0].getbestblockhash()
assert_equal(self.nodes[1].getbalance(), Decimal("0.1")) #balance now should be 0.1 on node 1
# load the latest 0.1 tx over the REST API
json_string = http_get_call(url.hostname, url.port, '/rest/tx/'+txid+self.FORMAT_SEPARATOR+"json")
json_obj = json.loads(json_string)
vintx = json_obj['vin'][0]['txid'] # get the vin to later check for utxo (should be spent by then)
# get n of 0.1 outpoint
n = 0
for vout in json_obj['vout']:
if vout['value'] == 0.1:
n = vout['n']
#######################################
# GETUTXOS: query an unspent outpoint #
#######################################
json_request = '/checkmempool/'+txid+'-'+str(n)
json_string = http_get_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json')
json_obj = json.loads(json_string)
#check chainTip response
assert_equal(json_obj['chaintipHash'], bb_hash)
#make sure there is one utxo
assert_equal(len(json_obj['utxos']), 1)
assert_equal(json_obj['utxos'][0]['value'], 0.1)
#################################################
# GETUTXOS: now query an already spent outpoint #
#################################################
json_request = '/checkmempool/'+vintx+'-0'
json_string = http_get_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json')
json_obj = json.loads(json_string)
#check chainTip response
assert_equal(json_obj['chaintipHash'], bb_hash)
# make sure there is no utxo in the response because this oupoint has been spent
assert_equal(len(json_obj['utxos']), 0)
#check bitmap
assert_equal(json_obj['bitmap'], "0")
##################################################
# GETUTXOS: now check both with the same request #
##################################################
json_request = '/checkmempool/'+txid+'-'+str(n)+'/'+vintx+'-0'
json_string = http_get_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json')
json_obj = json.loads(json_string)
assert_equal(len(json_obj['utxos']), 1)
assert_equal(json_obj['bitmap'], "10")
#test binary response
bb_hash = self.nodes[0].getbestblockhash()
binaryRequest = b'\x01\x02'
binaryRequest += hex_str_to_bytes(txid)
binaryRequest += pack("i", n)
binaryRequest += hex_str_to_bytes(vintx)
binaryRequest += pack("i", 0)
bin_response = http_post_call(url.hostname, url.port, '/rest/getutxos'+self.FORMAT_SEPARATOR+'bin', binaryRequest)
output = BytesIO()
output.write(bin_response)
output.seek(0)
chainHeight = unpack("i", output.read(4))[0]
hashFromBinResponse = hex(deser_uint256(output))[2:].zfill(64)
assert_equal(bb_hash, hashFromBinResponse) #check if getutxo's chaintip during calculation was fine
assert_equal(chainHeight, 102) #chain height must be 102
############################
# GETUTXOS: mempool checks #
############################
# do a tx and don't sync
txid = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 0.1)
json_string = http_get_call(url.hostname, url.port, '/rest/tx/'+txid+self.FORMAT_SEPARATOR+"json")
json_obj = json.loads(json_string)
#vintx = json_obj['vin'][0]['txid'] # get the vin to later check for utxo (should be spent by then)
# get n of 0.1 outpoint
n = 0
for vout in json_obj['vout']:
if vout['value'] == 0.1:
n = vout['n']
json_request = '/'+txid+'-'+str(n)
json_string = http_get_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json')
json_obj = json.loads(json_string)
assert_equal(len(json_obj['utxos']), 0) #there should be an outpoint because it has just added to the mempool
json_request = '/checkmempool/'+txid+'-'+str(n)
json_string = http_get_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json')
json_obj = json.loads(json_string)
assert_equal(len(json_obj['utxos']), 1) #there should be an outpoint because it has just added to the mempool
#do some invalid requests
json_request = '{"checkmempool'
response = http_post_call(url.hostname, url.port, '/rest/getutxos'+self.FORMAT_SEPARATOR+'json', json_request, True)
assert_equal(response.status, 400) #must be a 400 because we send an invalid json request
json_request = '{"checkmempool'
response = http_post_call(url.hostname, url.port, '/rest/getutxos'+self.FORMAT_SEPARATOR+'bin', json_request, True)
assert_equal(response.status, 400) #must be a 400 because we send an invalid bin request
response = http_post_call(url.hostname, url.port, '/rest/getutxos/checkmempool'+self.FORMAT_SEPARATOR+'bin', '', True)
assert_equal(response.status, 400) #must be a 400 because we send an invalid bin request
#test limits
json_request = '/checkmempool/'
for _ in range(0, 20):
json_request += txid+'-'+str(n)+'/'
json_request = json_request.rstrip("/")
response = http_post_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json', '', True)
assert_equal(response.status, 400) #must be a 400 because we exceeding the limits
json_request = '/checkmempool/'
for _ in range(0, 15):
json_request += txid+'-'+str(n)+'/'
json_request = json_request.rstrip("/")
response = http_post_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json', '', True)
assert_equal(response.status, 200) #must be a 200 because we are within the limits
self.nodes[0].generate(1) #generate block to not affect upcoming tests
self.sync_all()
################
# /rest/block/ #
################
# check binary format
response = http_get_call(url.hostname, url.port, '/rest/block/'+bb_hash+self.FORMAT_SEPARATOR+"bin", True)
assert_equal(response.status, 200)
assert_greater_than(int(response.getheader('content-length')), 80)
response_str = response.read()
# compare with block header
response_header = http_get_call(url.hostname, url.port, '/rest/headers/1/'+bb_hash+self.FORMAT_SEPARATOR+"bin", True)
assert_equal(response_header.status, 200)
assert_equal(int(response_header.getheader('content-length')), 80)
response_header_str = response_header.read()
assert_equal(response_str[0:80], response_header_str)
# check block hex format
response_hex = http_get_call(url.hostname, url.port, '/rest/block/'+bb_hash+self.FORMAT_SEPARATOR+"hex", True)
assert_equal(response_hex.status, 200)
assert_greater_than(int(response_hex.getheader('content-length')), 160)
response_hex_str = response_hex.read()
assert_equal(encode(response_str, "hex_codec")[0:160], response_hex_str[0:160])
# compare with hex block header
response_header_hex = http_get_call(url.hostname, url.port, '/rest/headers/1/'+bb_hash+self.FORMAT_SEPARATOR+"hex", True)
assert_equal(response_header_hex.status, 200)
assert_greater_than(int(response_header_hex.getheader('content-length')), 160)
response_header_hex_str = response_header_hex.read()
assert_equal(response_hex_str[0:160], response_header_hex_str[0:160])
assert_equal(encode(response_header_str, "hex_codec")[0:160], response_header_hex_str[0:160])
# check json format
block_json_string = http_get_call(url.hostname, url.port, '/rest/block/'+bb_hash+self.FORMAT_SEPARATOR+'json')
block_json_obj = json.loads(block_json_string)
assert_equal(block_json_obj['hash'], bb_hash)
# compare with json block header
response_header_json = http_get_call(url.hostname, url.port, '/rest/headers/1/'+bb_hash+self.FORMAT_SEPARATOR+"json", True)
assert_equal(response_header_json.status, 200)
response_header_json_str = response_header_json.read().decode('utf-8')
json_obj = json.loads(response_header_json_str, parse_float=Decimal)
assert_equal(len(json_obj), 1) #ensure that there is one header in the json response
assert_equal(json_obj[0]['hash'], bb_hash) #request/response hash should be the same
#compare with normal RPC block response
rpc_block_json = self.nodes[0].getblock(bb_hash)
assert_equal(json_obj[0]['hash'], rpc_block_json['hash'])
assert_equal(json_obj[0]['confirmations'], rpc_block_json['confirmations'])
assert_equal(json_obj[0]['height'], rpc_block_json['height'])
assert_equal(json_obj[0]['version'], rpc_block_json['version'])
assert_equal(json_obj[0]['merkleroot'], rpc_block_json['merkleroot'])
assert_equal(json_obj[0]['time'], rpc_block_json['time'])
assert_equal(json_obj[0]['nonce'], rpc_block_json['nonce'])
assert_equal(json_obj[0]['bits'], rpc_block_json['bits'])
assert_equal(json_obj[0]['difficulty'], rpc_block_json['difficulty'])
assert_equal(json_obj[0]['chainwork'], rpc_block_json['chainwork'])
assert_equal(json_obj[0]['previousblockhash'], rpc_block_json['previousblockhash'])
#see if we can get 5 headers in one response
self.nodes[1].generate(5)
self.sync_all()
response_header_json = http_get_call(url.hostname, url.port, '/rest/headers/5/'+bb_hash+self.FORMAT_SEPARATOR+"json", True)
assert_equal(response_header_json.status, 200)
response_header_json_str = response_header_json.read().decode('utf-8')
json_obj = json.loads(response_header_json_str)
assert_equal(len(json_obj), 5) #now we should have 5 header objects
# do tx test
tx_hash = block_json_obj['tx'][0]['txid']
json_string = http_get_call(url.hostname, url.port, '/rest/tx/'+tx_hash+self.FORMAT_SEPARATOR+"json")
json_obj = json.loads(json_string)
assert_equal(json_obj['txid'], tx_hash)
# check hex format response
hex_string = http_get_call(url.hostname, url.port, '/rest/tx/'+tx_hash+self.FORMAT_SEPARATOR+"hex", True)
assert_equal(hex_string.status, 200)
assert_greater_than(int(response.getheader('content-length')), 10)
# check block tx details
# let's make 3 tx and mine them on node 1
txs = [self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 11),
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 11),
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 11)]
self.sync_all()
# check that there are exactly 3 transactions in the TX memory pool before generating the block
json_string = http_get_call(url.hostname, url.port, '/rest/mempool/info'+self.FORMAT_SEPARATOR+'json')
json_obj = json.loads(json_string)
assert_equal(json_obj['size'], 3)
# the size of the memory pool should be greater than 3x ~100 bytes
assert_greater_than(json_obj['bytes'], 300)
# check that there are our submitted transactions in the TX memory pool
json_string = http_get_call(url.hostname, url.port, '/rest/mempool/contents'+self.FORMAT_SEPARATOR+'json')
json_obj = json.loads(json_string)
for tx in txs:
assert_equal(tx in json_obj, True)
# now mine the transactions
newblockhash = self.nodes[1].generate(1)
self.sync_all()
#check if the 3 tx show up in the new block
json_string = http_get_call(url.hostname, url.port, '/rest/block/'+newblockhash[0]+self.FORMAT_SEPARATOR+'json')
json_obj = json.loads(json_string)
for tx in json_obj['tx']:
if not 'coinbase' in tx['vin'][0]: #exclude coinbase
assert_equal(tx['txid'] in txs, True)
#check the same but without tx details
json_string = http_get_call(url.hostname, url.port, '/rest/block/notxdetails/'+newblockhash[0]+self.FORMAT_SEPARATOR+'json')
json_obj = json.loads(json_string)
for tx in txs:
assert_equal(tx in json_obj['tx'], True)
#test rest bestblock
bb_hash = self.nodes[0].getbestblockhash()
json_string = http_get_call(url.hostname, url.port, '/rest/chaininfo.json')
json_obj = json.loads(json_string)
assert_equal(json_obj['bestblockhash'], bb_hash)
def run_test(self):
url = urllib.parse.urlparse(self.nodes[0].url)
self.stop_node(0)
with self.run_node_with_connections("test getrawMempool RPC call", 0, [], 1) as connections:
connection = connections[0]
# Preparation.
self.chain.set_genesis_hash(int(self.nodes[0].getbestblockhash(), 16))
starting_blocks = 101
block_count = 0
for i in range(starting_blocks):
block = self.chain.next_block(block_count)
block_count += 1
self.chain.save_spendable_output()
connection.cb.send_message(msg_block(block))
out = []
for i in range(starting_blocks):
out.append(self.chain.get_spendable_output())
self.nodes[0].waitforblockheight(starting_blocks)
# Create and send 2 transactions.
transactions = []
for i in range(2):
tx = create_transaction(out[i].tx, out[i].n, b"", 100000, CScript([OP_TRUE]))
connection.cb.send_message(msg_tx(tx))
transactions.append(tx)
self.check_mempool(self.nodes[0], transactions)
# Create large transaction that depends on previous two transactions.
txSize = 1000
largeTx = self.createLargeTransaction(txSize, transactions)
connection.cb.send_message(msg_tx(largeTx))
self.check_mempool(self.nodes[0], [largeTx])
# getrawmempool, verbosity = False
assert_equal(set(self.nodes[0].getrawmempool()), set([tx.hash for tx in transactions] + [largeTx.hash]))
# getrawmempool, verbosity = True
mempool = self.nodes[0].getrawmempool(True)
self.check_getRawMempool(mempool, transactions + [largeTx])
assert_equal(mempool[transactions[0].hash]["depends"], [])
assert_equal(mempool[largeTx.hash]["depends"], [tx.hash for tx in transactions])
assert_equal(mempool[largeTx.hash]["size"] > txSize, True)
# /rest/mempool/contents REST call
json_string = http_get_call(
url.hostname, url.port, '/rest/mempool/contents' + self.FORMAT_SEPARATOR + 'json')
json_obj = json.loads(json_string)
self.check_getRawMempool(json_obj, transactions + [largeTx])
assert_equal(mempool[transactions[0].hash]["depends"], [])
assert_equal(mempool[largeTx.hash]["depends"], [tx.hash for tx in transactions])
assert_equal(mempool[largeTx.hash]["size"] > txSize, True)
# getmempooldescendants, verbosity = False
assert_equal(self.nodes[0].getmempooldescendants(transactions[0].hash), [largeTx.hash])
# getmempooldescendants, verbosity = True
mempoolDescendants = self.nodes[0].getmempooldescendants(transactions[0].hash, True)
self.check_getRawMempool(mempoolDescendants, [largeTx])
assert_equal(mempool[largeTx.hash], mempoolDescendants[largeTx.hash])
# getmempoolancestors, verbosity = False
assert_equal(set(self.nodes[0].getmempoolancestors(largeTx.hash)), set([tx.hash for tx in transactions]))
# getmempoolancestors, verbosity = True
mempoolAncestors = self.nodes[0].getmempoolancestors(largeTx.hash, True)
self.check_getRawMempool(mempoolAncestors, transactions)
assert_equal(mempool[transactions[0].hash], mempoolAncestors[transactions[0].hash])
# getmempoolentry
largeTxEntry = self.nodes[0].getmempoolentry(largeTx.hash)
self.check_fieldsMempoolEntry(largeTxEntry)
assert_equal(mempool[largeTx.hash], largeTxEntry)
# Test those calls in a batch
batch = self.nodes[0].batch([
self.nodes[0].getrawmempool.get_request(True),
self.nodes[0].getrawmempool.get_request(),
self.nodes[0].getmempooldescendants.get_request(transactions[0].hash, True),
self.nodes[0].getmempoolancestors.get_request(largeTx.hash),
self.nodes[0].getmempoolentry.get_request(largeTx.hash)])
assert_equal(batch[0]["error"], None)
assert_equal(batch[0]["result"], mempool)
assert_equal(batch[1]["error"], None)
assert_equal(batch[2]["result"][largeTx.hash], mempool[largeTx.hash])
assert_equal(batch[2]["error"], None)
assert_equal(batch[3]["error"], None)
assert_equal(batch[4]["error"], None)