123 lines
5.6 KiB
Python
Executable File
123 lines
5.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2016 The Bitcoin Core developers
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# Copyright (c) 2016-2022 The Zcash developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or https://www.opensource.org/licenses/mit-license.php .
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#
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# Test merkleblock fetch/validation
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#
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import string
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.authproxy import JSONRPCException
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from test_framework.util import assert_equal, assert_raises, \
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start_node, connect_nodes
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class MerkleBlockTest(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.cache_behavior = 'clean'
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self.num_nodes = 4
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def setup_network(self):
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base_args = [
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'-minrelaytxfee=0',
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'-debug',
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'-allowdeprecated=getnewaddress',
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]
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self.nodes = []
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# Nodes 0/1 are "wallet" nodes
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self.nodes.append(start_node(0, self.options.tmpdir, base_args))
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self.nodes.append(start_node(1, self.options.tmpdir, base_args))
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# Nodes 2/3 are used for testing
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self.nodes.append(start_node(2, self.options.tmpdir, base_args))
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self.nodes.append(start_node(3, self.options.tmpdir, base_args + ["-txindex"]))
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connect_nodes(self.nodes[0], 1)
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connect_nodes(self.nodes[0], 2)
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connect_nodes(self.nodes[0], 3)
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self.is_network_split = False
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self.sync_all()
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def run_test(self):
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print("Mining blocks...")
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self.nodes[0].generate(105)
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self.sync_all()
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chain_height = self.nodes[1].getblockcount()
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assert_equal(chain_height, 105)
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assert_equal(self.nodes[1].getbalance(), 0)
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assert_equal(self.nodes[2].getbalance(), 0)
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node0utxos = self.nodes[0].listunspent(1)
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tx1 = self.nodes[0].createrawtransaction([node0utxos.pop()], {self.nodes[1].getnewaddress(): 10})
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txid1 = self.nodes[0].sendrawtransaction(self.nodes[0].signrawtransaction(tx1)["hex"])
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tx2 = self.nodes[0].createrawtransaction([node0utxos.pop()], {self.nodes[1].getnewaddress(): 10})
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txid2 = self.nodes[0].sendrawtransaction(self.nodes[0].signrawtransaction(tx2)["hex"])
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assert_raises(JSONRPCException, self.nodes[0].gettxoutproof, [txid1])
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self.nodes[0].generate(1)
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blockhash = self.nodes[0].getblockhash(chain_height + 1)
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self.sync_all()
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txlist = []
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blocktxn = self.nodes[0].getblock(blockhash, True)["tx"]
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txlist.append(blocktxn[1])
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txlist.append(blocktxn[2])
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assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid1])), [txid1])
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assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid1, txid2])), txlist)
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assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid1, txid2], blockhash)), txlist)
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txin_spent = self.nodes[1].listunspent(1).pop()
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tx3 = self.nodes[1].createrawtransaction([txin_spent], {self.nodes[0].getnewaddress(): 10})
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self.nodes[0].sendrawtransaction(self.nodes[1].signrawtransaction(tx3)["hex"])
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self.nodes[0].generate(1)
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self.sync_all()
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txid_spent = txin_spent["txid"]
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txid_unspent = txid1 if txin_spent["txid"] != txid1 else txid2
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# We can't find the block from a fully-spent tx
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assert_raises(JSONRPCException, self.nodes[2].gettxoutproof, [txid_spent])
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# ...but we can if we specify the block
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assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid_spent], blockhash)), [txid_spent])
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# ...or if the first tx is not fully-spent
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assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid_unspent])), [txid_unspent])
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try:
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assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid1, txid2])), txlist)
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except JSONRPCException:
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assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid2, txid1])), txlist)
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# ...or if we have a -txindex
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assert_equal(self.nodes[2].verifytxoutproof(self.nodes[3].gettxoutproof([txid_spent])), [txid_spent])
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# Quick test of getblock using blockhash and different levels of verbosity
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result = self.nodes[0].getblock(blockhash, 2)
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coinbase_txid = result["tx"][0]["txid"]
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result = self.nodes[0].getblock(blockhash, 1)
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assert_equal(coinbase_txid, result["tx"][0]) # verbosity 1 only lists txids
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result = self.nodes[0].getblock(blockhash, 0)
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assert(c in string.hexdigits for c in result) # verbosity 0 returns raw hex
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# Test getblock heights including negatives relative to the head
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assert_equal(self.nodes[0].getblock("0")["height"], 0)
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assert_raises(JSONRPCException, self.nodes[0].getblock, ["108"])
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assert_equal(self.nodes[0].getblock("107")["height"], 107)
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assert_equal(self.nodes[0].getblock("-1")["height"], 107)
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assert_equal(self.nodes[0].getblock("-2")["height"], 106)
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assert_equal(self.nodes[0].getblock("-20")["height"], 88)
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assert_equal(self.nodes[0].getblock("-107")["height"], 1)
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assert_equal(self.nodes[0].getblock("-108")["height"], 0)
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assert_raises(JSONRPCException, self.nodes[0].getblock, ["-109"])
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assert_raises(JSONRPCException, self.nodes[0].getblock, ["-0"])
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# Test getblockhash negative heights
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assert_equal(self.nodes[0].getblockhash(-1), self.nodes[0].getblockhash(107))
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assert_equal(self.nodes[0].getblockhash(-2), self.nodes[0].getblockhash(106))
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if __name__ == '__main__':
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MerkleBlockTest().main()
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