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adee9504a6
* tests: Bump mocktime in smaller intervals while (not) signaling This is needed to avoid triggering `CMasternodeSync::Reset()`. * tests: force faucet node to finish mnsync in prepare_datadirs * test: Drop redundant force_finish_mnsync in interface_zmq_dash.py Co-authored-by: xdustinface <xdustinfacex@gmail.com>
203 lines
9.1 KiB
Python
Executable File
203 lines
9.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2015-2020 The Dash 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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from test_framework.blocktools import create_block, create_coinbase, get_masternode_payment
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from test_framework.mininode import P2PDataStore, network_thread_start
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from test_framework.messages import CTxOut, FromHex, CCbTx, CTransaction, ToHex
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from test_framework.script import CScript
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from test_framework.test_framework import DashTestFramework
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from test_framework.util import assert_equal, get_bip9_status, hex_str_to_bytes
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'''
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feature_block_reward_reallocation.py
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Checks block reward reallocation correctness
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'''
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class BlockRewardReallocationTest(DashTestFramework):
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def set_test_params(self):
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self.set_dash_test_params(2, 1, fast_dip3_enforcement=True)
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self.set_dash_dip8_activation(450)
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# 536870912 == 0x20000000, i.e. not signalling for anything
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def create_test_block(self, version=536870912):
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self.bump_mocktime(5)
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bt = self.nodes[0].getblocktemplate()
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tip = int(bt['previousblockhash'], 16)
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nextheight = bt['height']
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coinbase = create_coinbase(nextheight)
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coinbase.nVersion = 3
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coinbase.nType = 5 # CbTx
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coinbase.vout[0].nValue = bt['coinbasevalue']
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for mn in bt['masternode']:
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coinbase.vout.append(CTxOut(mn['amount'], CScript(hex_str_to_bytes(mn['script']))))
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coinbase.vout[0].nValue -= mn['amount']
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cbtx = FromHex(CCbTx(), bt['coinbase_payload'])
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coinbase.vExtraPayload = cbtx.serialize()
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coinbase.rehash()
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coinbase.calc_sha256()
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block = create_block(tip, coinbase, self.mocktime)
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block.nVersion = version
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# Add quorum commitments from template
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for tx in bt['transactions']:
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tx2 = FromHex(CTransaction(), tx['data'])
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if tx2.nType == 6:
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block.vtx.append(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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return block
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def signal(self, num_blocks, expected_lockin):
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self.log.info("Signal with %d/500 blocks" % (num_blocks))
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# create and send non-signalling blocks
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for i in range(500 - num_blocks):
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test_block = self.create_test_block()
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self.nodes[0].submitblock(ToHex(test_block))
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# generate at most 10 signaling blocks at a time
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if num_blocks > 0:
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for i in range((num_blocks - 1) // 10):
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self.bump_mocktime(10)
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self.nodes[0].generate(10)
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self.nodes[0].generate((num_blocks - 1) % 10)
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assert_equal(get_bip9_status(self.nodes[0], 'realloc')['status'], 'started')
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self.nodes[0].generate(1)
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if expected_lockin:
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assert_equal(get_bip9_status(self.nodes[0], 'realloc')['status'], 'locked_in')
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else:
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assert_equal(get_bip9_status(self.nodes[0], 'realloc')['status'], 'started')
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def threshold(self, attempt):
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threshold_calc = 400 - attempt * attempt
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if threshold_calc < 300:
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return 300
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return threshold_calc
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def run_test(self):
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self.log.info("Wait for DIP3 to activate")
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while get_bip9_status(self.nodes[0], 'dip0003')['status'] != 'active':
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self.bump_mocktime(10)
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self.nodes[0].generate(10)
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self.nodes[0].add_p2p_connection(P2PDataStore())
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network_thread_start()
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self.nodes[0].p2p.wait_for_verack()
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self.log.info("Mine all but one remaining block in the window")
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bi = self.nodes[0].getblockchaininfo()
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for i in range(498 - bi['blocks']):
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self.bump_mocktime(1)
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self.nodes[0].generate(1)
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self.log.info("Initial state is DEFINED")
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bi = self.nodes[0].getblockchaininfo()
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assert_equal(bi['blocks'], 498)
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assert_equal(bi['bip9_softforks']['realloc']['status'], 'defined')
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self.log.info("Advance from DEFINED to STARTED at height = 499")
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self.nodes[0].generate(1)
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bi = self.nodes[0].getblockchaininfo()
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assert_equal(bi['blocks'], 499)
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assert_equal(bi['bip9_softforks']['realloc']['status'], 'started')
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assert_equal(bi['bip9_softforks']['realloc']['statistics']['threshold'], self.threshold(0))
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self.signal(399, False) # 1 block short
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self.log.info("Still STARTED but new threshold should be lower at height = 999")
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bi = self.nodes[0].getblockchaininfo()
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assert_equal(bi['blocks'], 999)
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assert_equal(bi['bip9_softforks']['realloc']['statistics']['threshold'], self.threshold(1))
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self.signal(398, False) # 1 block short again
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self.log.info("Still STARTED but new threshold should be even lower at height = 1499")
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bi = self.nodes[0].getblockchaininfo()
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assert_equal(bi['blocks'], 1499)
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assert_equal(bi['bip9_softforks']['realloc']['statistics']['threshold'], self.threshold(2))
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pre_locked_in_blockhash = bi['bestblockhash']
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self.signal(396, True) # just enough to lock in
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self.log.info("Advanced to LOCKED_IN at height = 1999")
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for i in range(49):
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self.bump_mocktime(10)
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self.nodes[0].generate(10)
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self.nodes[0].generate(9)
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self.log.info("Still LOCKED_IN at height = 2498")
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bi = self.nodes[0].getblockchaininfo()
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assert_equal(bi['blocks'], 2498)
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assert_equal(bi['bip9_softforks']['realloc']['status'], 'locked_in')
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self.log.info("Advance from LOCKED_IN to ACTIVE at height = 2499")
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self.nodes[0].generate(1) # activation
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bi = self.nodes[0].getblockchaininfo()
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assert_equal(bi['blocks'], 2499)
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assert_equal(bi['bip9_softforks']['realloc']['status'], 'active')
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assert_equal(bi['bip9_softforks']['realloc']['since'], 2500)
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self.log.info("Reward split should stay ~50/50 before the first superblock after activation")
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# This applies even if reallocation was activated right at superblock height like it does here
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bt = self.nodes[0].getblocktemplate()
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assert_equal(bt['height'], 2500)
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assert_equal(bt['masternode'][0]['amount'], get_masternode_payment(bt['height'], bt['coinbasevalue'], 2500))
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self.nodes[0].generate(9)
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bt = self.nodes[0].getblocktemplate()
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assert_equal(bt['masternode'][0]['amount'], get_masternode_payment(bt['height'], bt['coinbasevalue'], 2500))
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assert_equal(bt['coinbasevalue'], 13748571607)
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assert_equal(bt['masternode'][0]['amount'], 6874285801) # 0.4999999998
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self.log.info("Reallocation should kick-in with the superblock mined at height = 2010")
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for period in range(19): # there will be 19 adjustments, 3 superblocks long each
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for i in range(3):
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self.bump_mocktime(10)
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self.nodes[0].generate(10)
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bt = self.nodes[0].getblocktemplate()
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assert_equal(bt['masternode'][0]['amount'], get_masternode_payment(bt['height'], bt['coinbasevalue'], 2500))
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self.log.info("Reward split should reach ~60/40 after reallocation is done")
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assert_equal(bt['coinbasevalue'], 10221599170)
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assert_equal(bt['masternode'][0]['amount'], 6132959502) # 0.6
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self.log.info("Reward split should stay ~60/40 after reallocation is done")
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for period in range(10): # check 10 next superblocks
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self.bump_mocktime(10)
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self.nodes[0].generate(10)
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bt = self.nodes[0].getblocktemplate()
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assert_equal(bt['masternode'][0]['amount'], get_masternode_payment(bt['height'], bt['coinbasevalue'], 2500))
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assert_equal(bt['coinbasevalue'], 9491484944)
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assert_equal(bt['masternode'][0]['amount'], 5694890966) # 0.6
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# make sure all nodes are still synced
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self.sync_all()
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self.log.info("Rollback the chain back to the STARTED state")
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self.mocktime = self.nodes[0].getblock(pre_locked_in_blockhash, 1)['time']
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for node in self.nodes:
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node.invalidateblock(pre_locked_in_blockhash)
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# create and send non-signalling block
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test_block = self.create_test_block()
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self.nodes[0].submitblock(ToHex(test_block))
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bi = self.nodes[0].getblockchaininfo()
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assert_equal(bi['blocks'], 1499)
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assert_equal(bi['bip9_softforks']['realloc']['status'], 'started')
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assert_equal(bi['bip9_softforks']['realloc']['statistics']['threshold'], self.threshold(2))
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self.log.info("Check thresholds reach min level and stay there")
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for i in range(8): # 7 to reach min level and 1 more to check it doesn't go lower than that
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self.signal(0, False) # no need to signal
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bi = self.nodes[0].getblockchaininfo()
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assert_equal(bi['blocks'], 1999 + i * 500)
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assert_equal(bi['bip9_softforks']['realloc']['status'], 'started')
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assert_equal(bi['bip9_softforks']['realloc']['statistics']['threshold'], self.threshold(i + 3))
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assert_equal(bi['bip9_softforks']['realloc']['statistics']['threshold'], 300)
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if __name__ == '__main__':
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BlockRewardReallocationTest().main()
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