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authorMatt Corallo <git@bluematt.me>2019-07-11 15:54:17 -0400
committerMatt Corallo <git@bluematt.me>2019-09-04 15:53:14 -0400
commit5ce822efbe45513ce3517c1ca731ac6d6a0c3b54 (patch)
tree1086ceb0eb1b60e075f2d162f3a6be91acf87dc4 /test
parent68da54987df4d4b76d0696b8139ae2bb32394214 (diff)
Conservatively accept RBF bumps bumping one tx at the package limits
Accept RBF bumps of single transactions (ie which conflict with one transaction) even when that transaction is a member of a package which is currently at the package limit iff the new transaction does not add any additional mempool dependencies from the original. This could be made a bit looser in the future and still be safe, but for now this fixes the case that a transaction which was accepted by the carve-out rule will not be directly RBF'able.
Diffstat (limited to 'test')
-rwxr-xr-xtest/functional/mempool_package_onemore.py10
1 files changed, 8 insertions, 2 deletions
diff --git a/test/functional/mempool_package_onemore.py b/test/functional/mempool_package_onemore.py
index 30f851fb8e..0739d7e29b 100755
--- a/test/functional/mempool_package_onemore.py
+++ b/test/functional/mempool_package_onemore.py
@@ -33,7 +33,7 @@ class MempoolPackagesTest(BitcoinTestFramework):
outputs = {}
for i in range(num_outputs):
outputs[node.getnewaddress()] = send_value
- rawtx = node.createrawtransaction(inputs, outputs)
+ rawtx = node.createrawtransaction(inputs, outputs, 0, True)
signedtx = node.signrawtransactionwithwallet(rawtx)
txid = node.sendrawtransaction(signedtx['hex'])
fulltx = node.getrawtransaction(txid, 1)
@@ -75,10 +75,16 @@ class MempoolPackagesTest(BitcoinTestFramework):
# ...especially if its > 40k weight
assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_transaction, self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 350)
# But not if it chains directly off the first transaction
- self.chain_transaction(self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 1)
+ (replacable_txid, replacable_orig_value) = self.chain_transaction(self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 1)
# and the second chain should work just fine
self.chain_transaction(self.nodes[0], [second_chain], [0], second_chain_value, fee, 1)
+ # Make sure we can RBF the chain which used our carve-out rule
+ second_tx_outputs = {self.nodes[0].getrawtransaction(replacable_txid, True)["vout"][0]['scriptPubKey']['addresses'][0]: replacable_orig_value - (Decimal(1) / Decimal(100))}
+ second_tx = self.nodes[0].createrawtransaction([{'txid': chain[0][0], 'vout': 1}], second_tx_outputs)
+ signed_second_tx = self.nodes[0].signrawtransactionwithwallet(second_tx)
+ self.nodes[0].sendrawtransaction(signed_second_tx['hex'])
+
# Finally, check that we added two transactions
assert_equal(len(self.nodes[0].getrawmempool(True)), MAX_ANCESTORS + 3)