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73 lines
2.9 KiB
Python
Executable File
73 lines
2.9 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.messages import COutPoint, CTransaction, CTxIn, CTxOut, ToHex
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from test_framework.mininode import COIN
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from test_framework.script import CScript, OP_CAT
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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, get_bip9_status, satoshi_round
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'''
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feature_dip0020_activation.py
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This test checks activation of DIP0020 opcodes
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'''
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DISABLED_OPCODE_ERROR = "non-mandatory-script-verify-flag (Attempted to use a disabled opcode)"
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class DIP0020ActivationTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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def run_test(self):
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self.node = self.nodes[0]
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self.relayfee = satoshi_round(self.nodes[0].getnetworkinfo()["relayfee"])
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# We should have some coins already
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utxos = self.node.listunspent()
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assert (len(utxos) > 0)
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# Send some coins to a P2SH address constructed using disabled opcodes
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utxo = utxos[len(utxos) - 1]
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value = int(satoshi_round(utxo["amount"] - self.relayfee) * COIN)
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tx = CTransaction()
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tx.vin.append(CTxIn(COutPoint(int(utxo["txid"], 16), utxo["vout"])))
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tx.vout.append(CTxOut(value, CScript([b'1', b'2', OP_CAT])))
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tx_signed_hex = self.node.signrawtransactionwithwallet(ToHex(tx))["hex"]
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txid = self.node.sendrawtransaction(tx_signed_hex)
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# This tx should be completely valid, should be included in mempool and mined in the next block
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assert (txid in set(self.node.getrawmempool()))
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self.node.generate(1)
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assert (txid not in set(self.node.getrawmempool()))
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# Create spending tx
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value = int(value - self.relayfee * COIN)
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tx0 = CTransaction()
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tx0.vin.append(CTxIn(COutPoint(int(txid, 16), 0)))
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tx0.vout.append(CTxOut(value, CScript([])))
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tx0.rehash()
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tx0_hex = ToHex(tx0)
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# This tx isn't valid yet
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assert_equal(get_bip9_status(self.nodes[0], 'v17')['status'], 'locked_in')
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assert_raises_rpc_error(-26, DISABLED_OPCODE_ERROR, self.node.sendrawtransaction, tx0_hex)
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# Generate enough blocks to activate DIP0020 opcodes
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self.node.generate(98)
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assert_equal(get_bip9_status(self.nodes[0], 'v17')['status'], 'active')
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# Still need 1 more block for mempool to accept new opcodes
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assert_raises_rpc_error(-26, DISABLED_OPCODE_ERROR, self.node.sendrawtransaction, tx0_hex)
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self.node.generate(1)
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# Should be spendable now
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tx0id = self.node.sendrawtransaction(tx0_hex)
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assert (tx0id in set(self.node.getrawmempool()))
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if __name__ == '__main__':
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DIP0020ActivationTest().main()
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