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v31.1-roots.1 · Commit 3: [PATCH 03/17] feat(policy): preserve cluster accounting and repair dynamic dust

test/functional/mempool_datacarrier.py

Before: test/functional/mempool_datacarrier.py · After: test/functional/mempool_datacarrier.py

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index 09f48cd35f6b28156be3098b59660df4d6fe6df7..7ffae6a1cc062663a65f232c07e483827d0ec3e1 100755

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test/functional/mempool_datacarrier.py CHANGED
@@ -148,7 +148,18 @@ class DataCarrierTest(BitcoinTestFramework):
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  self.restart_node(0, extra_args=["-datacarriersize=100000", "-maxscriptsize=100000"])
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  self.test_null_data_transaction(node=self.nodes[0], data=randbytes(MAX_STANDARD_TX_WEIGHT // 4 - 200), success=True)
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- # Extreme cost accounting/valid-block coverage follows in L8.
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+ self.log.info("Testing the maximum carrier-cost setting without overflowing virtual size.")
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+ self.restart_node(0, extra_args=["-datacarriercost=1073741823.75"])
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+ tx = self.wallet.create_self_transfer(fee_rate=0)["tx"]
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+ tx.vout.append(CTxOut(0, CScript([OP_RETURN, b"x" * 80])))
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+ tx.vout[0].nValue -= tx.get_vsize()
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+ tx_hex = tx.serialize().hex()
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+ result = self.nodes[0].testmempoolaccept([tx_hex])[0]
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+ assert_equal(result["allowed"], False)
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+ assert_equal(result["reject-reason"], "min relay fee not met")
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+ # An extreme local fee policy still cannot invalidate a valid block.
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+ self.generateblock(self.nodes[0], output="raw(42)", transactions=[tx_hex], sync_fun=self.no_op)
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+
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  self.stop_node(0)
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  for cost in ["-1", "1073741823.76", "1e999", "invalid"]:
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  self.nodes[0].assert_start_raises_init_error(