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cd5e4381d4
1dfb4e7d7[Tests] Check output of parent/child tx list from getrawmempool, getmempooldescendants, getmempoolancestors, and REST interface (Conor Scott)fc44cb108[RPC] Add list of child transactions to verbose output of getrawmempool (Conor Scott) Pull request description: `bitcoin-cli getrawmempool true` only lists a transaction's parents in the `depends` field. This change adds a `spentby` field to the json response, which lists the transaction's children in the mempool. Currently the only way to find child transactions is to use `getrawmempool` or make another call to `getmempooldescendants` and search the response for transactions that list the parent_txid in the `depends` list, which is inefficient. This change allows direct lookup of children. Example Output ``` "9a9b5733c0d89f207908cfa3fe17809bee71f629aa095c9f8754524e29e98ba4": { ...other geterawmempool data... "wtxid": "9a9b5733c0d89f207908cfa3fe17809bee71f629aa095c9f8754524e29e98ba4", "depends": [ "bdd92851d5766a42aeb62af667bb422a116cab4e032bba5e3dd6efe5b4b40aa0" ], "spentby": [ "dc5d3ec388a9121421208738a041ac30a22163bc2e17758f2275b6c51a15ba7b" ] }, ``` Tree-SHA512: 83da7d421c9799a40ef65af3b7fdb586d6d87385f3f2ede3afd2c311725444b858f9d91cc110422a0fa31905779934fee07211ca6fe6b746792b83692c94b3ce
330 lines
15 KiB
Python
Executable File
330 lines
15 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2017 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test the REST API."""
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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from struct import *
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from io import BytesIO
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from codecs import encode
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import http.client
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import urllib.parse
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def deser_uint256(f):
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r = 0
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for i in range(8):
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t = unpack(b"<I", f.read(4))[0]
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r += t << (i * 32)
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return r
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#allows simple http get calls
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def http_get_call(host, port, path, response_object = 0):
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conn = http.client.HTTPConnection(host, port)
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conn.request('GET', path)
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if response_object:
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return conn.getresponse()
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return conn.getresponse().read().decode('utf-8')
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#allows simple http post calls with a request body
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def http_post_call(host, port, path, requestdata = '', response_object = 0):
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conn = http.client.HTTPConnection(host, port)
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conn.request('POST', path, requestdata)
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if response_object:
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return conn.getresponse()
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return conn.getresponse().read()
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class RESTTest (BitcoinTestFramework):
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FORMAT_SEPARATOR = "."
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 3
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self.extra_args = [["-rest"]] * self.num_nodes
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def setup_network(self, split=False):
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super().setup_network()
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connect_nodes_bi(self.nodes, 0, 2)
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def run_test(self):
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url = urllib.parse.urlparse(self.nodes[0].url)
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self.log.info("Mining blocks...")
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self.nodes[0].generate(1)
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self.sync_all()
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self.nodes[2].generate(100)
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self.sync_all()
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assert_equal(self.nodes[0].getbalance(), 50)
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txid = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 0.1)
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self.sync_all()
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self.nodes[2].generate(1)
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self.sync_all()
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bb_hash = self.nodes[0].getbestblockhash()
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assert_equal(self.nodes[1].getbalance(), Decimal("0.1")) #balance now should be 0.1 on node 1
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# load the latest 0.1 tx over the REST API
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json_string = http_get_call(url.hostname, url.port, '/rest/tx/'+txid+self.FORMAT_SEPARATOR+"json")
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json_obj = json.loads(json_string)
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vintx = json_obj['vin'][0]['txid'] # get the vin to later check for utxo (should be spent by then)
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# get n of 0.1 outpoint
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n = 0
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for vout in json_obj['vout']:
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if vout['value'] == 0.1:
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n = vout['n']
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#######################################
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# GETUTXOS: query an unspent outpoint #
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#######################################
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json_request = '/checkmempool/'+txid+'-'+str(n)
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json_string = http_get_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json')
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json_obj = json.loads(json_string)
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#check chainTip response
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assert_equal(json_obj['chaintipHash'], bb_hash)
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#make sure there is one utxo
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assert_equal(len(json_obj['utxos']), 1)
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assert_equal(json_obj['utxos'][0]['value'], 0.1)
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#################################################
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# GETUTXOS: now query an already spent outpoint #
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#################################################
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json_request = '/checkmempool/'+vintx+'-0'
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json_string = http_get_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json')
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json_obj = json.loads(json_string)
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#check chainTip response
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assert_equal(json_obj['chaintipHash'], bb_hash)
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#make sure there is no utox in the response because this oupoint has been spent
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assert_equal(len(json_obj['utxos']), 0)
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#check bitmap
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assert_equal(json_obj['bitmap'], "0")
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##################################################
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# GETUTXOS: now check both with the same request #
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##################################################
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json_request = '/checkmempool/'+txid+'-'+str(n)+'/'+vintx+'-0'
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json_string = http_get_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json')
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json_obj = json.loads(json_string)
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assert_equal(len(json_obj['utxos']), 1)
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assert_equal(json_obj['bitmap'], "10")
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#test binary response
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bb_hash = self.nodes[0].getbestblockhash()
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binaryRequest = b'\x01\x02'
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binaryRequest += hex_str_to_bytes(txid)
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binaryRequest += pack("i", n)
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binaryRequest += hex_str_to_bytes(vintx)
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binaryRequest += pack("i", 0)
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bin_response = http_post_call(url.hostname, url.port, '/rest/getutxos'+self.FORMAT_SEPARATOR+'bin', binaryRequest)
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output = BytesIO()
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output.write(bin_response)
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output.seek(0)
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chainHeight = unpack("i", output.read(4))[0]
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hashFromBinResponse = hex(deser_uint256(output))[2:].zfill(64)
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assert_equal(bb_hash, hashFromBinResponse) #check if getutxo's chaintip during calculation was fine
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assert_equal(chainHeight, 102) #chain height must be 102
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############################
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# GETUTXOS: mempool checks #
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############################
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# do a tx and don't sync
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txid = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 0.1)
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json_string = http_get_call(url.hostname, url.port, '/rest/tx/'+txid+self.FORMAT_SEPARATOR+"json")
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json_obj = json.loads(json_string)
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vintx = json_obj['vin'][0]['txid'] # get the vin to later check for utxo (should be spent by then)
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# get n of 0.1 outpoint
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n = 0
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for vout in json_obj['vout']:
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if vout['value'] == 0.1:
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n = vout['n']
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json_request = '/'+txid+'-'+str(n)
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json_string = http_get_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json')
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json_obj = json.loads(json_string)
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assert_equal(len(json_obj['utxos']), 0) #there should be an outpoint because it has just added to the mempool
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json_request = '/checkmempool/'+txid+'-'+str(n)
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json_string = http_get_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json')
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json_obj = json.loads(json_string)
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assert_equal(len(json_obj['utxos']), 1) #there should be an outpoint because it has just added to the mempool
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#do some invalid requests
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json_request = '{"checkmempool'
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response = http_post_call(url.hostname, url.port, '/rest/getutxos'+self.FORMAT_SEPARATOR+'json', json_request, True)
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assert_equal(response.status, 400) #must be a 400 because we send an invalid json request
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json_request = '{"checkmempool'
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response = http_post_call(url.hostname, url.port, '/rest/getutxos'+self.FORMAT_SEPARATOR+'bin', json_request, True)
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assert_equal(response.status, 400) #must be a 400 because we send an invalid bin request
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response = http_post_call(url.hostname, url.port, '/rest/getutxos/checkmempool'+self.FORMAT_SEPARATOR+'bin', '', True)
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assert_equal(response.status, 400) #must be a 400 because we send an invalid bin request
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#test limits
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json_request = '/checkmempool/'
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for x in range(0, 20):
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json_request += txid+'-'+str(n)+'/'
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json_request = json_request.rstrip("/")
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response = http_post_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json', '', True)
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assert_equal(response.status, 400) #must be a 400 because we exceeding the limits
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json_request = '/checkmempool/'
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for x in range(0, 15):
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json_request += txid+'-'+str(n)+'/'
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json_request = json_request.rstrip("/")
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response = http_post_call(url.hostname, url.port, '/rest/getutxos'+json_request+self.FORMAT_SEPARATOR+'json', '', True)
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assert_equal(response.status, 200) #must be a 200 because we are within the limits
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self.nodes[0].generate(1) #generate block to not affect upcoming tests
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self.sync_all()
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################
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# /rest/block/ #
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################
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# check binary format
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response = http_get_call(url.hostname, url.port, '/rest/block/'+bb_hash+self.FORMAT_SEPARATOR+"bin", True)
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assert_equal(response.status, 200)
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assert_greater_than(int(response.getheader('content-length')), 80)
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response_str = response.read()
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# compare with block header
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response_header = http_get_call(url.hostname, url.port, '/rest/headers/1/'+bb_hash+self.FORMAT_SEPARATOR+"bin", True)
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assert_equal(response_header.status, 200)
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assert_equal(int(response_header.getheader('content-length')), 80)
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response_header_str = response_header.read()
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assert_equal(response_str[0:80], response_header_str)
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# check block hex format
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response_hex = http_get_call(url.hostname, url.port, '/rest/block/'+bb_hash+self.FORMAT_SEPARATOR+"hex", True)
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assert_equal(response_hex.status, 200)
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assert_greater_than(int(response_hex.getheader('content-length')), 160)
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response_hex_str = response_hex.read()
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assert_equal(encode(response_str, "hex_codec")[0:160], response_hex_str[0:160])
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# compare with hex block header
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response_header_hex = http_get_call(url.hostname, url.port, '/rest/headers/1/'+bb_hash+self.FORMAT_SEPARATOR+"hex", True)
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assert_equal(response_header_hex.status, 200)
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assert_greater_than(int(response_header_hex.getheader('content-length')), 160)
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response_header_hex_str = response_header_hex.read()
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assert_equal(response_hex_str[0:160], response_header_hex_str[0:160])
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assert_equal(encode(response_header_str, "hex_codec")[0:160], response_header_hex_str[0:160])
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# check json format
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block_json_string = http_get_call(url.hostname, url.port, '/rest/block/'+bb_hash+self.FORMAT_SEPARATOR+'json')
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block_json_obj = json.loads(block_json_string)
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assert_equal(block_json_obj['hash'], bb_hash)
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# compare with json block header
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response_header_json = http_get_call(url.hostname, url.port, '/rest/headers/1/'+bb_hash+self.FORMAT_SEPARATOR+"json", True)
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assert_equal(response_header_json.status, 200)
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response_header_json_str = response_header_json.read().decode('utf-8')
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json_obj = json.loads(response_header_json_str, parse_float=Decimal)
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assert_equal(len(json_obj), 1) #ensure that there is one header in the json response
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assert_equal(json_obj[0]['hash'], bb_hash) #request/response hash should be the same
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#compare with normal RPC block response
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rpc_block_json = self.nodes[0].getblock(bb_hash)
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assert_equal(json_obj[0]['hash'], rpc_block_json['hash'])
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assert_equal(json_obj[0]['confirmations'], rpc_block_json['confirmations'])
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assert_equal(json_obj[0]['height'], rpc_block_json['height'])
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assert_equal(json_obj[0]['version'], rpc_block_json['version'])
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assert_equal(json_obj[0]['merkleroot'], rpc_block_json['merkleroot'])
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assert_equal(json_obj[0]['time'], rpc_block_json['time'])
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assert_equal(json_obj[0]['nonce'], rpc_block_json['nonce'])
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assert_equal(json_obj[0]['bits'], rpc_block_json['bits'])
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assert_equal(json_obj[0]['difficulty'], rpc_block_json['difficulty'])
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assert_equal(json_obj[0]['chainwork'], rpc_block_json['chainwork'])
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assert_equal(json_obj[0]['previousblockhash'], rpc_block_json['previousblockhash'])
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#see if we can get 5 headers in one response
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self.nodes[1].generate(5)
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self.sync_all()
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response_header_json = http_get_call(url.hostname, url.port, '/rest/headers/5/'+bb_hash+self.FORMAT_SEPARATOR+"json", True)
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assert_equal(response_header_json.status, 200)
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response_header_json_str = response_header_json.read().decode('utf-8')
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json_obj = json.loads(response_header_json_str)
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assert_equal(len(json_obj), 5) #now we should have 5 header objects
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# do tx test
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tx_hash = block_json_obj['tx'][0]['txid']
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json_string = http_get_call(url.hostname, url.port, '/rest/tx/'+tx_hash+self.FORMAT_SEPARATOR+"json")
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json_obj = json.loads(json_string)
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assert_equal(json_obj['txid'], tx_hash)
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# check hex format response
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hex_string = http_get_call(url.hostname, url.port, '/rest/tx/'+tx_hash+self.FORMAT_SEPARATOR+"hex", True)
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assert_equal(hex_string.status, 200)
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assert_greater_than(int(response.getheader('content-length')), 10)
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# check block tx details
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# let's make 3 tx and mine them on node 1
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txs = []
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txs.append(self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 11))
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txs.append(self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 11))
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txs.append(self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 11))
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self.sync_all()
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# check that there are exactly 3 transactions in the TX memory pool before generating the block
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json_string = http_get_call(url.hostname, url.port, '/rest/mempool/info'+self.FORMAT_SEPARATOR+'json')
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json_obj = json.loads(json_string)
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assert_equal(json_obj['size'], 3)
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# the size of the memory pool should be greater than 3x ~100 bytes
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assert_greater_than(json_obj['bytes'], 300)
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# check that there are our submitted transactions in the TX memory pool
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json_string = http_get_call(url.hostname, url.port, '/rest/mempool/contents'+self.FORMAT_SEPARATOR+'json')
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json_obj = json.loads(json_string)
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for i, tx in enumerate(txs):
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assert_equal(tx in json_obj, True)
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assert_equal(json_obj[tx]['spentby'], txs[i+1:i+2])
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assert_equal(json_obj[tx]['depends'], txs[i-1:i])
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# now mine the transactions
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newblockhash = self.nodes[1].generate(1)
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self.sync_all()
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#check if the 3 tx show up in the new block
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json_string = http_get_call(url.hostname, url.port, '/rest/block/'+newblockhash[0]+self.FORMAT_SEPARATOR+'json')
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json_obj = json.loads(json_string)
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for tx in json_obj['tx']:
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if not 'coinbase' in tx['vin'][0]: #exclude coinbase
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assert_equal(tx['txid'] in txs, True)
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#check the same but without tx details
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json_string = http_get_call(url.hostname, url.port, '/rest/block/notxdetails/'+newblockhash[0]+self.FORMAT_SEPARATOR+'json')
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json_obj = json.loads(json_string)
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for tx in txs:
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assert_equal(tx in json_obj['tx'], True)
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#test rest bestblock
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bb_hash = self.nodes[0].getbestblockhash()
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json_string = http_get_call(url.hostname, url.port, '/rest/chaininfo.json')
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json_obj = json.loads(json_string)
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assert_equal(json_obj['bestblockhash'], bb_hash)
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if __name__ == '__main__':
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RESTTest ().main ()
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