#!/usr/bin/env python3 # Copyright (c) 2014-2018 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. """Test the REST API.""" import binascii from decimal import Decimal from enum import Enum from io import BytesIO import json from struct import pack, unpack import http.client import urllib.parse from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, assert_greater_than, assert_greater_than_or_equal, hex_str_to_bytes, ) class ReqType(Enum): JSON = 1 BIN = 2 HEX = 3 class RetType(Enum): OBJ = 1 BYTES = 2 JSON = 3 def filter_output_indices_by_value(vouts, value): for vout in vouts: if vout['value'] == value: yield vout['n'] class RESTTest (BitcoinTestFramework): def set_test_params(self): self.setup_clean_chain = True self.num_nodes = 2 self.extra_args = [["-rest"], []] def skip_test_if_missing_module(self): self.skip_if_no_wallet() def test_rest_request(self, uri, http_method='GET', req_type=ReqType.JSON, body='', status=200, ret_type=RetType.JSON): rest_uri = '/rest' + uri if req_type == ReqType.JSON: rest_uri += '.json' elif req_type == ReqType.BIN: rest_uri += '.bin' elif req_type == ReqType.HEX: rest_uri += '.hex' conn = http.client.HTTPConnection(self.url.hostname, self.url.port) self.log.debug('%s %s %s', http_method, rest_uri, body) if http_method == 'GET': conn.request('GET', rest_uri) elif http_method == 'POST': conn.request('POST', rest_uri, body) resp = conn.getresponse() assert_equal(resp.status, status) if ret_type == RetType.OBJ: return resp elif ret_type == RetType.BYTES: return resp.read() elif ret_type == RetType.JSON: return json.loads(resp.read().decode('utf-8'), parse_float=Decimal) def run_test(self): self.url = urllib.parse.urlparse(self.nodes[0].url) self.log.info("Mine blocks and send Bitcoin to node 1") # Random address so node1's balance doesn't increase not_related_address = "2MxqoHEdNQTyYeX1mHcbrrpzgojbosTpCvJ" self.nodes[0].generate(1) self.sync_all() self.nodes[1].generatetoaddress(100, not_related_address) self.sync_all() assert_equal(self.nodes[0].getbalance(), 1) txid = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 0.1) self.sync_all() self.nodes[1].generatetoaddress(1, not_related_address) self.sync_all() bb_hash = self.nodes[0].getbestblockhash() assert_equal(self.nodes[1].getbalance(), Decimal("0.1")) self.log.info("Load the transaction using the /tx URI") json_obj = self.test_rest_request("/tx/{}".format(txid)) spent = (json_obj['vin'][0]['txid'], json_obj['vin'][0]['vout']) # get the vin to later check for utxo (should be spent by then) # get n of 0.1 outpoint n, = filter_output_indices_by_value(json_obj['vout'], Decimal('0.1')) spending = (txid, n) self.log.info("Query an unspent TXO using the /getutxos URI") json_obj = self.test_rest_request("/getutxos/{}-{}".format(*spending)) # 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'], Decimal('0.1')) self.log.info("Query a spent TXO using the /getutxos URI") json_obj = self.test_rest_request("/getutxos/{}-{}".format(*spent)) # Check chainTip response assert_equal(json_obj['chaintipHash'], bb_hash) # Make sure there is no utxo in the response because this outpoint has been spent assert_equal(len(json_obj['utxos']), 0) # Check bitmap assert_equal(json_obj['bitmap'], "0") self.log.info("Query two TXOs using the /getutxos URI") json_obj = self.test_rest_request("/getutxos/{}-{}/{}-{}".format(*(spending + spent))) assert_equal(len(json_obj['utxos']), 1) assert_equal(json_obj['bitmap'], "10") self.log.info("Query the TXOs using the /getutxos URI with a binary response") bin_request = b'\x01\x02' for txid, n in [spending, spent]: bin_request += hex_str_to_bytes(txid) bin_request += pack("i", n) bin_response = self.test_rest_request("/getutxos", http_method='POST', req_type=ReqType.BIN, body=bin_request, ret_type=RetType.BYTES) output = BytesIO(bin_response) chain_height, = unpack("i", output.read(4)) response_hash = binascii.hexlify(output.read(32)[::-1]).decode('ascii') assert_equal(bb_hash, response_hash) # check if getutxo's chaintip during calculation was fine assert_equal(chain_height, 102) # chain height must be 102 self.log.info("Test the /getutxos URI with and without /checkmempool") # Create a transaction, check that it's found with /checkmempool, but # not found without. Then confirm the transaction and check that it's # found with or without /checkmempool. # do a tx and don't sync txid = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 0.1) json_obj = self.test_rest_request("/tx/{}".format(txid)) # get the spent output to later check for utxo (should be spent by then) spent = (json_obj['vin'][0]['txid'], json_obj['vin'][0]['vout']) # get n of 0.1 outpoint n, = filter_output_indices_by_value(json_obj['vout'], Decimal('0.1')) spending = (txid, n) json_obj = self.test_rest_request("/getutxos/{}-{}".format(*spending)) assert_equal(len(json_obj['utxos']), 0) json_obj = self.test_rest_request("/getutxos/checkmempool/{}-{}".format(*spending)) assert_equal(len(json_obj['utxos']), 1) json_obj = self.test_rest_request("/getutxos/{}-{}".format(*spent)) assert_equal(len(json_obj['utxos']), 1) json_obj = self.test_rest_request("/getutxos/checkmempool/{}-{}".format(*spent)) assert_equal(len(json_obj['utxos']), 0) self.nodes[0].generate(1) self.sync_all() json_obj = self.test_rest_request("/getutxos/{}-{}".format(*spending)) assert_equal(len(json_obj['utxos']), 1) json_obj = self.test_rest_request("/getutxos/checkmempool/{}-{}".format(*spending)) assert_equal(len(json_obj['utxos']), 1) # Do some invalid requests self.test_rest_request("/getutxos", http_method='POST', req_type=ReqType.JSON, body='{"checkmempool', status=400, ret_type=RetType.OBJ) self.test_rest_request("/getutxos", http_method='POST', req_type=ReqType.BIN, body='{"checkmempool', status=400, ret_type=RetType.OBJ) self.test_rest_request("/getutxos/checkmempool", http_method='POST', req_type=ReqType.JSON, status=400, ret_type=RetType.OBJ) # Test limits long_uri = '/'.join(["{}-{}".format(txid, n_) for n_ in range(20)]) self.test_rest_request("/getutxos/checkmempool/{}".format(long_uri), http_method='POST', status=400, ret_type=RetType.OBJ) long_uri = '/'.join(['{}-{}'.format(txid, n_) for n_ in range(15)]) self.test_rest_request("/getutxos/checkmempool/{}".format(long_uri), http_method='POST', status=200) self.nodes[0].generate(1) # generate block to not affect upcoming tests self.sync_all() self.log.info("Test the /block and /headers URIs") bb_hash = self.nodes[0].getbestblockhash() bb_height = self.nodes[0].getblock(self.nodes[0].getbestblockhash())['height'] # Check binary format response = self.test_rest_request("/block/{}".format(bb_hash), req_type=ReqType.BIN, ret_type=RetType.OBJ) assert_greater_than(int(response.getheader('content-length')), 80) response_bytes = response.read() response2 = self.test_rest_request("/block/{}".format(bb_height), req_type=ReqType.BIN, ret_type=RetType.OBJ) response2_bytes = response2.read() assert_equal(response_bytes, response2_bytes) response3 = self.test_rest_request("/block/tip", req_type=ReqType.BIN, ret_type=RetType.OBJ) response3_bytes = response3.read() assert_equal(response_bytes, response3_bytes) # Compare with block header response_header = self.test_rest_request("/headers/1/{}".format(bb_hash), req_type=ReqType.BIN, ret_type=RetType.OBJ) assert_equal(int(response_header.getheader('content-length')), 112) response_header_bytes = response_header.read() assert_equal(response_bytes[:112], response_header_bytes) # Check block hex format response_hex = self.test_rest_request("/block/{}".format(bb_hash), req_type=ReqType.HEX, ret_type=RetType.OBJ) assert_greater_than(int(response_hex.getheader('content-length')), 160) response_hex_bytes = response_hex.read().strip(b'\n') assert_equal(binascii.hexlify(response_bytes), response_hex_bytes) # Compare with hex block header response_header_hex = self.test_rest_request("/headers/1/{}".format(bb_hash), req_type=ReqType.HEX, ret_type=RetType.OBJ) assert_greater_than(int(response_header_hex.getheader('content-length')), 160) response_header_hex_bytes = response_header_hex.read(160) assert_equal(binascii.hexlify(response_bytes[:80]), response_header_hex_bytes) # Check json format block_json_obj = self.test_rest_request("/block/{}".format(bb_hash)) assert_equal(block_json_obj['hash'], bb_hash) # Compare with json block header json_obj = self.test_rest_request("/headers/1/{}".format(bb_hash)) 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) for key in ['hash', 'confirmations', 'height', 'version', 'merkleroot', 'time', 'nonce', 'bits', 'difficulty', 'chainwork', 'previousblockhash']: assert_equal(json_obj[0][key], rpc_block_json[key]) # See if we can get 5 headers in one response self.nodes[1].generate(5) self.sync_all() json_obj = self.test_rest_request("/headers/5/{}".format(bb_hash)) assert_equal(len(json_obj), 5) # now we should have 5 header objects self.log.info("Test the /tx URI") tx_hash = block_json_obj['tx'][0]['txid'] json_obj = self.test_rest_request("/tx/{}".format(tx_hash)) assert_equal(json_obj['txid'], tx_hash) # Check hex format response hex_response = self.test_rest_request("/tx/{}".format(tx_hash), req_type=ReqType.HEX, ret_type=RetType.OBJ) assert_greater_than_or_equal(int(hex_response.getheader('content-length')), json_obj['size']*2) self.log.info("Test tx inclusion in the /mempool and /block URIs") # Make 3 tx and mine them on node 1 txs = [] txs.append(self.nodes[0].sendtoaddress(not_related_address, 0.11)) txs.append(self.nodes[0].sendtoaddress(not_related_address, 0.11)) txs.append(self.nodes[0].sendtoaddress(not_related_address, 0.11)) self.sync_all() # Check that there are exactly 3 transactions in the TX memory pool before generating the block json_obj = self.test_rest_request("/mempool/info") 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_obj = self.test_rest_request("/mempool/contents") for i, tx in enumerate(txs): assert tx in json_obj assert_equal(json_obj[tx]['spentby'], txs[i + 1:i + 2]) assert_equal(json_obj[tx]['depends'], txs[i - 1:i]) # 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_obj = self.test_rest_request("/block/{}".format(newblockhash[0])) non_coinbase_txs = {tx['txid'] for tx in json_obj['tx'] if 'coinbase' not in tx['vin'][0]} assert_equal(non_coinbase_txs, set(txs)) # Check the same but without tx details json_obj = self.test_rest_request("/block/notxdetails/{}".format(newblockhash[0])) for tx in txs: assert tx in json_obj['tx'] self.log.info("Test the /chaininfo URI") bb_hash = self.nodes[0].getbestblockhash() json_obj = self.test_rest_request("/chaininfo") assert_equal(json_obj['bestblockhash'], bb_hash) if __name__ == '__main__': RESTTest().main()