74 lines
2.8 KiB
Python
Executable File
74 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2019 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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from decimal import Decimal
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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get_coinbase_address,
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start_nodes,
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wait_and_assert_operationid_status,
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)
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class ShorterBlockTimes(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.num_nodes = 4
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self.cache_behavior = 'clean'
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def setup_nodes(self):
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return start_nodes(self.num_nodes, self.options.tmpdir, [[
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'-nuparams=2bb40e60:106', # Blossom
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]] * self.num_nodes)
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def run_test(self):
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print("Mining blocks...")
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self.nodes[0].generate(101)
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self.sync_all()
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# Sanity-check the block height
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assert_equal(self.nodes[0].getblockcount(), 101)
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node0_taddr = get_coinbase_address(self.nodes[0])
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node0_zaddr = self.nodes[0].z_getnewaddress('sapling')
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recipients = [{'address': node0_zaddr, 'amount': Decimal('10.0')}]
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myopid = self.nodes[0].z_sendmany(node0_taddr, recipients, 1, 0)
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txid = wait_and_assert_operationid_status(self.nodes[0], myopid)
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assert_equal(105, self.nodes[0].getrawtransaction(txid, 1)['expiryheight']) # Blossom activation - 1
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self.sync_all()
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self.nodes[0].generate(1)
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self.sync_all()
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assert_equal(10, Decimal(self.nodes[0].z_gettotalbalance()['private']))
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self.nodes[0].generate(2)
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self.sync_all()
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print("Mining last pre-Blossom blocks")
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# Activate blossom
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self.nodes[1].generate(1)
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self.sync_all()
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# Check that we received a pre-Blossom mining reward
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assert_equal(10, Decimal(self.nodes[1].getwalletinfo()['immature_balance']))
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# After blossom activation the block reward will be halved
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print("Mining first Blossom block")
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self.nodes[1].generate(1)
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self.sync_all()
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# Check that we received an additional Blossom mining reward
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assert_equal(15, self.nodes[1].getwalletinfo()['immature_balance'])
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# Send and mine a transaction after activation
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myopid = self.nodes[0].z_sendmany(node0_taddr, recipients, 1, 0)
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txid = wait_and_assert_operationid_status(self.nodes[0], myopid)
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assert_equal(147, self.nodes[0].getrawtransaction(txid, 1)['expiryheight']) # height + 1 + 40
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self.sync_all() # Ensure the transaction has propagated to node 1
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self.nodes[1].generate(1)
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self.sync_all()
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assert_equal(20, Decimal(self.nodes[0].z_gettotalbalance()['private']))
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if __name__ == '__main__':
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ShorterBlockTimes().main()
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