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Merge bitcoin/bitcoin#32406: policy: uncap datacarrier by default

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a189d63618 add release note for datacarriersize default change (Greg Sanders)
a141e1bf50 Add more OP_RETURN mempool acceptance functional tests (Peter Todd)
0b4048c733 datacarrier: deprecate startup arguments for future removal (Greg Sanders)
63091b79e7 test: remove unnecessary -datacarriersize args from tests (Greg Sanders)
9f36962b07 policy: uncap datacarrier by default (Greg Sanders)

Pull request description:

  Retains the `-datacarrier*` args, marks them as deprecated, and does not require another startup argument for multiple OP_RETURN outputs.

  If a user has set `-datacarriersize` the value is "budgeted" across all seen OP_RETURN output scriptPubKeys. In other words the total script bytes stays the same, but can be spread across any number of outputs. This is done to not introduce an additional argument to support multiple outputs.

  I do not advise people use the option with custom arguments and it is marked as deprecated to not mislead as a promise to offer it forever. The argument itself can be removed in some future release to clean up the code and minimize footguns for users.

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Tree-SHA512: 3da2f1ef2f50884d4da7e50df2121bf175cb826edaa14ba7c3068a6d5b2a70beb426edc55d50338ee1d9686b9f74fdf9e10d30fb26a023a718dd82fa1e77b038
This commit is contained in:
merge-script
2025-06-09 08:23:56 -04:00
parent e2174378aa a189d63618
commit f3bbc74664
26 changed files with 147 additions and 95 deletions
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2
test/functional/mempool_updatefromblock.py
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@@ -28,7 +28,7 @@ class MempoolUpdateFromBlockTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
# Ancestor and descendant limits depend on transaction_graph_test requirements
self.extra_args = [['-limitdescendantsize=1000', '-limitancestorsize=1000', f'-limitancestorcount={CUSTOM_ANCESTOR_COUNT}', f'-limitdescendantcount={CUSTOM_DESCENDANT_COUNT}', '-datacarriersize=100000']]
self.extra_args = [['-limitdescendantsize=1000', '-limitancestorsize=1000', f'-limitancestorcount={CUSTOM_ANCESTOR_COUNT}', f'-limitdescendantcount={CUSTOM_DESCENDANT_COUNT}']]
def create_empty_fork(self, fork_length):
'''