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2da9982e55
aaaaad6ac95b402fe18d019d67897ced6b316ee0 scripted-diff: Bump copyright of files changed in 2019 (MarcoFalke)
Pull request description:
ACKs for top commit:
practicalswift:
ACK aaaaad6ac95b402fe18d019d67897ced6b316ee0
promag:
ACK aaaaad6ac95b402fe18d019d67897ced6b316ee0 🎉
fanquake:
ACK aaaaad6ac95b402fe18d019d67897ced6b316ee0 - going to merge this now because the year is over and conflicts are minimal.
Tree-SHA512: 58cb1f53bc4c1395b2766f36fabc7e2332e213780a802762fff0afd59468dad0c3265f553714d761c7a2c44ff90f7dc250f04458f4b2eb8eef8b94f8c9891321
120 lines
6.6 KiB
Python
Executable File
120 lines
6.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2019 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 gettxoutproof and verifytxoutproof RPCs."""
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from decimal import Decimal
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from test_framework.blocktools import COINBASE_MATURITY
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from test_framework.messages import CMerkleBlock, FromHex, ToHex
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal, assert_raises_rpc_error
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class MerkleBlockTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 4
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self.setup_clean_chain = True
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# Nodes 0/1 are "wallet" nodes, Nodes 2/3 are used for testing
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self.extra_args = [[], [], [], ["-txindex"]]
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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def setup_network(self):
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self.setup_nodes()
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self.connect_nodes(0, 1)
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self.connect_nodes(0, 2)
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self.connect_nodes(0, 3)
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self.sync_all()
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def run_test(self):
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self.log.info("Mining blocks...")
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self.nodes[0].generate(COINBASE_MATURITY + 5)
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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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tx_fee = Decimal('0.00001')
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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(): 500 - tx_fee})
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txid1 = self.nodes[0].sendrawtransaction(self.nodes[0].signrawtransactionwithwallet(tx1)["hex"])
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tx2 = self.nodes[0].createrawtransaction([node0utxos.pop()], {self.nodes[1].getnewaddress(): 500 - tx_fee})
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txid2 = self.nodes[0].sendrawtransaction(self.nodes[0].signrawtransactionwithwallet(tx2)["hex"])
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# This will raise an exception because the transaction is not yet in a block
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assert_raises_rpc_error(-5, "Transaction not yet in block", 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(): 500 - tx_fee*2})
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txid3 = self.nodes[0].sendrawtransaction(self.nodes[1].signrawtransactionwithwallet(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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# Invalid txids
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assert_raises_rpc_error(-8, "txid must be of length 64 (not 32, for '00000000000000000000000000000000')", self.nodes[2].gettxoutproof, ["00000000000000000000000000000000"], blockhash)
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assert_raises_rpc_error(-8, "txid must be hexadecimal string (not 'ZZZ0000000000000000000000000000000000000000000000000000000000000')", self.nodes[2].gettxoutproof, ["ZZZ0000000000000000000000000000000000000000000000000000000000000"], blockhash)
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# Invalid blockhashes
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assert_raises_rpc_error(-8, "blockhash must be of length 64 (not 32, for '00000000000000000000000000000000')", self.nodes[2].gettxoutproof, [txid_spent], "00000000000000000000000000000000")
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assert_raises_rpc_error(-8, "blockhash must be hexadecimal string (not 'ZZZ0000000000000000000000000000000000000000000000000000000000000')", self.nodes[2].gettxoutproof, [txid_spent], "ZZZ0000000000000000000000000000000000000000000000000000000000000")
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# We can't find the block from a fully-spent tx
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# Doesn't apply to Dash Core - we have txindex always on
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# assert_raises_rpc_error(-5, "Transaction not yet in block", self.nodes[2].gettxoutproof, [txid_spent])
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# We can get the proof 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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# We can't get the proof if we specify a non-existent block
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assert_raises_rpc_error(-5, "Block not found", self.nodes[2].gettxoutproof, [txid_spent], "0000000000000000000000000000000000000000000000000000000000000000")
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# We can get the proof if the transaction is unspent
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assert_equal(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid_unspent])), [txid_unspent])
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# We can get the proof if we provide a list of transactions and one of them is unspent. The ordering of the list should not matter.
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assert_equal(sorted(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid1, txid2]))), sorted(txlist))
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assert_equal(sorted(self.nodes[2].verifytxoutproof(self.nodes[2].gettxoutproof([txid2, txid1]))), sorted(txlist))
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# We can always get a proof 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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# We can't get a proof if we specify transactions from different blocks
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assert_raises_rpc_error(-5, "Not all transactions found in specified or retrieved block", self.nodes[2].gettxoutproof, [txid1, txid3])
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# Now we'll try tweaking a proof.
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proof = self.nodes[3].gettxoutproof([txid1, txid2])
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assert txid1 in self.nodes[0].verifytxoutproof(proof)
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assert txid2 in self.nodes[1].verifytxoutproof(proof)
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tweaked_proof = FromHex(CMerkleBlock(), proof)
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# Make sure that our serialization/deserialization is working
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assert txid1 in self.nodes[2].verifytxoutproof(ToHex(tweaked_proof))
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# Check to see if we can go up the merkle tree and pass this off as a
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# single-transaction block
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tweaked_proof.txn.nTransactions = 1
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tweaked_proof.txn.vHash = [tweaked_proof.header.hashMerkleRoot]
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tweaked_proof.txn.vBits = [True] + [False]*7
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for n in self.nodes:
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assert not n.verifytxoutproof(ToHex(tweaked_proof))
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# TODO: try more variants, eg transactions at different depths, and
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# verify that the proofs are invalid
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if __name__ == '__main__':
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MerkleBlockTest().main()
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