Remove unmaintained example test script_test.py
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Suhas Daftuar
parent
e54ebbf600
commit
c800c95997
@ -106,7 +106,6 @@ testScriptsExt = [
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'keypool.py',
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'receivedby.py',
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# 'rpcbind_test.py', #temporary, bug in libevent, see #6655
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# 'script_test.py', #used for manual comparison of 2 binaries
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'smartfees.py',
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'maxblocksinflight.py',
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'invalidblockrequest.py',
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@ -1,259 +0,0 @@
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#!/usr/bin/env python2
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#
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# Distributed under the MIT/X11 software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#
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'''
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Test notes:
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This test uses the script_valid and script_invalid tests from the unittest
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framework to do end-to-end testing where we compare that two nodes agree on
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whether blocks containing a given test script are valid.
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We generally ignore the script flags associated with each test (since we lack
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the precision to test each script using those flags in this framework), but
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for tests with SCRIPT_VERIFY_P2SH, we can use a block time after the BIP16
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switchover date to try to test with that flag enabled (and for tests without
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that flag, we use a block time before the switchover date).
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NOTE: This test is very slow and may take more than 40 minutes to run.
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'''
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from test_framework.test_framework import ComparisonTestFramework
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from test_framework.util import *
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from test_framework.comptool import TestInstance, TestManager
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from test_framework.mininode import *
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from test_framework.blocktools import *
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from test_framework.script import *
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import logging
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import copy
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import json
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script_valid_file = "../../src/test/data/script_valid.json"
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script_invalid_file = "../../src/test/data/script_invalid.json"
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# Pass in a set of json files to open.
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class ScriptTestFile(object):
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def __init__(self, files):
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self.files = files
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self.index = -1
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self.data = []
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def load_files(self):
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for f in self.files:
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self.data.extend(json.loads(open(os.path.dirname(os.path.abspath(__file__))+"/"+f).read()))
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# Skip over records that are not long enough to be tests
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def get_records(self):
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while (self.index < len(self.data)):
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if len(self.data[self.index]) >= 3:
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yield self.data[self.index]
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self.index += 1
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# Helper for parsing the flags specified in the .json files
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SCRIPT_VERIFY_NONE = 0
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SCRIPT_VERIFY_P2SH = 1
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SCRIPT_VERIFY_STRICTENC = 1 << 1
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SCRIPT_VERIFY_DERSIG = 1 << 2
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SCRIPT_VERIFY_LOW_S = 1 << 3
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SCRIPT_VERIFY_NULLDUMMY = 1 << 4
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SCRIPT_VERIFY_SIGPUSHONLY = 1 << 5
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SCRIPT_VERIFY_MINIMALDATA = 1 << 6
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SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS = 1 << 7
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SCRIPT_VERIFY_CLEANSTACK = 1 << 8
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flag_map = {
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"": SCRIPT_VERIFY_NONE,
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"NONE": SCRIPT_VERIFY_NONE,
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"P2SH": SCRIPT_VERIFY_P2SH,
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"STRICTENC": SCRIPT_VERIFY_STRICTENC,
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"DERSIG": SCRIPT_VERIFY_DERSIG,
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"LOW_S": SCRIPT_VERIFY_LOW_S,
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"NULLDUMMY": SCRIPT_VERIFY_NULLDUMMY,
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"SIGPUSHONLY": SCRIPT_VERIFY_SIGPUSHONLY,
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"MINIMALDATA": SCRIPT_VERIFY_MINIMALDATA,
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"DISCOURAGE_UPGRADABLE_NOPS": SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS,
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"CLEANSTACK": SCRIPT_VERIFY_CLEANSTACK,
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}
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def ParseScriptFlags(flag_string):
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flags = 0
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for x in flag_string.split(","):
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if x in flag_map:
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flags |= flag_map[x]
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else:
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print "Error: unrecognized script flag: ", x
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return flags
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'''
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Given a string that is a scriptsig or scriptpubkey from the .json files above,
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convert it to a CScript()
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'''
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# Replicates behavior from core_read.cpp
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def ParseScript(json_script):
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script = json_script.split(" ")
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parsed_script = CScript()
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for x in script:
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if len(x) == 0:
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# Empty string, ignore.
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pass
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elif x.isdigit() or (len(x) >= 1 and x[0] == "-" and x[1:].isdigit()):
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# Number
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n = int(x, 0)
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if (n == -1) or (n >= 1 and n <= 16):
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parsed_script = CScript(bytes(parsed_script) + bytes(CScript([n])))
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else:
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parsed_script += CScriptNum(int(x, 0))
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elif x.startswith("0x"):
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# Raw hex data, inserted NOT pushed onto stack:
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for i in xrange(2, len(x), 2):
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parsed_script = CScript(bytes(parsed_script) + bytes(chr(int(x[i:i+2],16))))
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elif x.startswith("'") and x.endswith("'") and len(x) >= 2:
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# Single-quoted string, pushed as data.
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parsed_script += CScript([x[1:-1]])
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else:
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# opcode, e.g. OP_ADD or ADD:
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tryopname = "OP_" + x
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if tryopname in OPCODES_BY_NAME:
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parsed_script += CScriptOp(OPCODES_BY_NAME["OP_" + x])
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else:
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print "ParseScript: error parsing '%s'" % x
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return ""
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return parsed_script
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class TestBuilder(object):
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def create_credit_tx(self, scriptPubKey, height):
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# self.tx1 is a coinbase transaction, modeled after the one created by script_tests.cpp
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# This allows us to reuse signatures created in the unit test framework.
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self.tx1 = create_coinbase(height) # this has a bip34 scriptsig,
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self.tx1.vin[0].scriptSig = CScript([0, 0]) # but this matches the unit tests
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self.tx1.vout[0].nValue = 0
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self.tx1.vout[0].scriptPubKey = scriptPubKey
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self.tx1.rehash()
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def create_spend_tx(self, scriptSig):
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self.tx2 = create_transaction(self.tx1, 0, CScript(), 0)
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self.tx2.vin[0].scriptSig = scriptSig
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self.tx2.vout[0].scriptPubKey = CScript()
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self.tx2.rehash()
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def rehash(self):
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self.tx1.rehash()
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self.tx2.rehash()
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# This test uses the (default) two nodes provided by ComparisonTestFramework,
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# specified on the command line with --testbinary and --refbinary.
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# See comptool.py
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class ScriptTest(ComparisonTestFramework):
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def run_test(self):
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# Set up the comparison tool TestManager
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test = TestManager(self, self.options.tmpdir)
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test.add_all_connections(self.nodes)
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# Load scripts
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self.scripts = ScriptTestFile([script_valid_file, script_invalid_file])
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self.scripts.load_files()
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# Some variables we re-use between test instances (to build blocks)
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self.tip = None
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self.block_time = None
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NetworkThread().start() # Start up network handling in another thread
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test.run()
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def generate_test_instance(self, pubkeystring, scriptsigstring):
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scriptpubkey = ParseScript(pubkeystring)
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scriptsig = ParseScript(scriptsigstring)
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test = TestInstance(sync_every_block=False)
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test_build = TestBuilder()
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test_build.create_credit_tx(scriptpubkey, self.height)
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test_build.create_spend_tx(scriptsig)
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test_build.rehash()
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block = create_block(self.tip, test_build.tx1, self.block_time)
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self.block_time += 1
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block.solve()
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self.tip = block.sha256
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self.height += 1
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test.blocks_and_transactions = [[block, True]]
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for i in xrange(100):
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block = create_block(self.tip, create_coinbase(self.height), self.block_time)
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self.block_time += 1
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block.solve()
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self.tip = block.sha256
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self.height += 1
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test.blocks_and_transactions.append([block, True])
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block = create_block(self.tip, create_coinbase(self.height), self.block_time)
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self.block_time += 1
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block.vtx.append(test_build.tx2)
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block.hashMerkleRoot = block.calc_merkle_root()
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block.rehash()
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block.solve()
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test.blocks_and_transactions.append([block, None])
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return test
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# This generates the tests for TestManager.
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def get_tests(self):
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self.tip = int ("0x" + self.nodes[0].getbestblockhash() + "L", 0)
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self.block_time = 1333230000 # before the BIP16 switchover
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self.height = 1
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'''
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Create a new block with an anyone-can-spend coinbase
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'''
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block = create_block(self.tip, create_coinbase(self.height), self.block_time)
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self.block_time += 1
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block.solve()
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self.tip = block.sha256
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self.height += 1
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yield TestInstance(objects=[[block, True]])
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'''
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Build out to 100 blocks total, maturing the coinbase.
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'''
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test = TestInstance(objects=[], sync_every_block=False, sync_every_tx=False)
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for i in xrange(100):
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b = create_block(self.tip, create_coinbase(self.height), self.block_time)
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b.solve()
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test.blocks_and_transactions.append([b, True])
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self.tip = b.sha256
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self.block_time += 1
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self.height += 1
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yield test
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''' Iterate through script tests. '''
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counter = 0
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for script_test in self.scripts.get_records():
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''' Reset the blockchain to genesis block + 100 blocks. '''
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if self.nodes[0].getblockcount() > 101:
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self.nodes[0].invalidateblock(self.nodes[0].getblockhash(102))
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self.nodes[1].invalidateblock(self.nodes[1].getblockhash(102))
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self.tip = int ("0x" + self.nodes[0].getbestblockhash() + "L", 0)
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self.height = 102
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[scriptsig, scriptpubkey, flags] = script_test[0:3]
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flags = ParseScriptFlags(flags)
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# We can use block time to determine whether the nodes should be
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# enforcing BIP16.
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#
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# We intentionally let the block time grow by 1 each time.
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# This forces the block hashes to differ between tests, so that
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# a call to invalidateblock doesn't interfere with a later test.
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if (flags & SCRIPT_VERIFY_P2SH):
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self.block_time = 1333238400 + counter # Advance to enforcing BIP16
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else:
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self.block_time = 1333230000 + counter # Before the BIP16 switchover
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print "Script test: [%s]" % script_test
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yield self.generate_test_instance(scriptpubkey, scriptsig)
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counter += 1
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if __name__ == '__main__':
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ScriptTest().main()
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