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eabf633f13
Includes the following commits: commit 2ea1b5cd8cf2bdd08e43ae39fb76352eebe14895 commit f2a8220c34275f022f02d81e9e84d4cec33bd51c commit 84b8b56113e6057b0253475b83e797dc1fed2eed commit 8471d5db221f145f5a40022ed1897c1b996b628e commit 2f125ad0a67e1b8f71b18a14a3b41d7e577391d1 commit e01dbc3608703b4cb4e9882738125f2b7816cdb8 commit f0421312631cd44669f9f84d339a0c470b4423b9 commit 1fd522db5dfddfd0e1b0c794b82fae2cc7bdb099 commit 71f63ad99f70ff6461c795fd728aea16aa1008f8 commit a7c44d98a8ded4df0e8455c4c5629b1a5b303bbf commit e1d7b4fc15addf3dfeb3853fa66230a8bdacd75f commit d016f2fa02572fd340129176b942b3f19bd5260b commit f4716e5a168a697afce854a37350fdae0988bdd8 commit 03a575e3b13bf06cbb0a007d6672b05d2085c26e commit d7ea37444bd9e9ac461a3dda0b16afefd160b062 commit db22affa01e050ff847a12e20c83b88952d80b59 commit 9b7e14986655f914b2d0903ca1d79367c92c6c7e commit e21034f9c124893d5b9631e9ca231b0b9ede3d52 Changes are as below: Wrap CBlockHeader::nVersion into a new class (CBlockVersion). This allows to take care of interpreting the field into a base version, auxpow flag and the chain ID. Update getauxblock.py for new 'generate' RPC call. Add 'auxpow' to block JSON. Accept auxpow as PoW verification. Add unit tests for auxpow verification. Add check for memory-layout of CBlockVersion. Weaken auxpow chain ID checks for the testnet. Allow Params() to overrule when to check the auxpow chain ID and for legacy blocks. Use this to disable the checks on testnet. Introduce CPureBlockHeader. Split the block header part that is used by auxpow and the "real" block header (that uses auxpow) to resolve the cyclic dependency between the two. Differentiate between uint256 and arith_uint256. This change was done upstream, modify the auxpow code. Add missing lock in auxpow_tests. Fix REST header check for auxpow headers. Those can be longer, thus take that into account. Also perform the check actually on an auxpow header. Correctly set the coinbase for getauxblock results. Call IncrementExtraNonce in getauxblock so that the coinbase is actually initialised with the stuff it should be. (BIP30 block height and COINBASE_FLAGS.) Implement getauxblock plus regression test. Turn auxpow test into FIXTURE test. This allows using of the Params() calls. Move CMerkleTx code to auxpow.cpp. Otherwise we get linker errors when building without wallet. Fix rebase with BIP66. Update the code to handle BIP66's nVersion=3. Enforce that auxpow parent blocks have no auxpow block version. This is for compatibility with namecoind. See also https://github.com/namecoin/namecoin/pull/199. Move auxpow-related parameters to Consensus::Params.
124 lines
4.7 KiB
Python
Executable File
124 lines
4.7 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2014-2015 Daniel Kraft
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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 "getauxblock" merge-mining RPC interface.
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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 test_framework import auxpow
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class GetAuxBlockTest (BitcoinTestFramework):
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def run_test (self):
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BitcoinTestFramework.run_test (self)
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# Generate a block so that we are not "downloading blocks".
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self.nodes[0].generate (1)
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# Compare basic data of getauxblock to getblocktemplate.
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auxblock = self.nodes[0].getauxblock ()
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blocktemplate = self.nodes[0].getblocktemplate ()
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assert_equal (auxblock['coinbasevalue'], blocktemplate['coinbasevalue'])
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assert_equal (auxblock['bits'], blocktemplate['bits'])
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assert_equal (auxblock['height'], blocktemplate['height'])
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assert_equal (auxblock['previousblockhash'], blocktemplate['previousblockhash'])
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# Compare target and take byte order into account.
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target = auxblock['_target']
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reversedTarget = auxpow.reverseHex (target)
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assert_equal (reversedTarget, blocktemplate['target'])
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# Verify data that can be found in another way.
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assert_equal (auxblock['chainid'], 1)
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assert_equal (auxblock['height'], self.nodes[0].getblockcount () + 1)
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assert_equal (auxblock['previousblockhash'], self.nodes[0].getblockhash (auxblock['height'] - 1))
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# Calling again should give the same block.
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auxblock2 = self.nodes[0].getauxblock ()
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assert_equal (auxblock2, auxblock)
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# If we receive a new block, the old hash will be replaced.
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self.sync_all ()
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self.nodes[1].generate (1)
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self.sync_all ()
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auxblock2 = self.nodes[0].getauxblock ()
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assert auxblock['hash'] != auxblock2['hash']
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try:
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self.nodes[0].getauxblock (auxblock['hash'], "x")
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raise AssertionError ("invalid block hash accepted")
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except JSONRPCException as exc:
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assert_equal (exc.error['code'], -8)
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# Invalid format for auxpow.
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try:
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self.nodes[0].getauxblock (auxblock2['hash'], "x")
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raise AssertionError ("malformed auxpow accepted")
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except JSONRPCException as exc:
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assert_equal (exc.error['code'], -1)
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# Invalidate the block again, send a transaction and query for the
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# auxblock to solve that contains the transaction.
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self.nodes[0].generate (1)
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addr = self.nodes[1].getnewaddress ()
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txid = self.nodes[0].sendtoaddress (addr, 1)
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self.sync_all ()
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assert_equal (self.nodes[1].getrawmempool (), [txid])
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auxblock = self.nodes[0].getauxblock ()
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blocktemplate = self.nodes[0].getblocktemplate ()
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target = blocktemplate['target']
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# Compute invalid auxpow.
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apow = auxpow.computeAuxpow (auxblock['hash'], target, False)
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res = self.nodes[0].getauxblock (auxblock['hash'], apow)
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assert not res
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# Compute and submit valid auxpow.
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apow = auxpow.computeAuxpow (auxblock['hash'], target, True)
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res = self.nodes[0].getauxblock (auxblock['hash'], apow)
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assert res
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# Make sure that the block is indeed accepted.
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self.sync_all ()
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assert_equal (self.nodes[1].getrawmempool (), [])
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height = self.nodes[1].getblockcount ()
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assert_equal (height, auxblock['height'])
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assert_equal (self.nodes[1].getblockhash (height), auxblock['hash'])
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# Call getblock and verify the auxpow field.
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data = self.nodes[1].getblock (auxblock['hash'])
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assert 'auxpow' in data
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auxJson = data['auxpow']
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assert_equal (auxJson['index'], 0)
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assert_equal (auxJson['parentblock'], apow[-160:])
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# Check that previous blocks don't have 'auxpow' in their getblock JSON.
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oldHash = self.nodes[1].getblockhash (100)
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data = self.nodes[1].getblock (oldHash)
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assert 'auxpow' not in data
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# Check that it paid correctly to the first node.
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t = self.nodes[0].listtransactions ("", 1)
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assert_equal (len (t), 1)
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t = t[0]
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assert_equal (t['category'], "immature")
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assert_equal (t['blockhash'], auxblock['hash'])
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assert t['generated']
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assert t['amount'] >= Decimal ("25")
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assert_equal (t['confirmations'], 1)
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# Verify the coinbase script. Ensure that it includes the block height
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# to make the coinbase tx unique. The expected block height is around
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# 200, so that the serialisation of the CScriptNum ends in an extra 00.
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# The vector has length 2, which makes up for 02XX00 as the serialised
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# height. Check this.
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blk = self.nodes[1].getblock (auxblock['hash'])
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tx = self.nodes[1].getrawtransaction (blk['tx'][0], 1)
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coinbase = tx['vin'][0]['coinbase']
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assert_equal ("02%02x00" % auxblock['height'], coinbase[0 : 6])
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if __name__ == '__main__':
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GetAuxBlockTest ().main ()
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