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author | Lawrence Nahum <lawrence@greenaddress.it> | 2017-08-21 13:23:18 +0200 |
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committer | Lawrence Nahum <lawrence@greenaddress.it> | 2017-09-06 09:44:36 +0200 |
commit | 1aa97ee088ea03dd208be054c5ad9198c1f13329 (patch) | |
tree | 6b01b565a368f2100f2446c9a605a1d7e63b6b9f /test | |
parent | 467cbbcbfc8876ae0955aaf82f2af83c352ad27f (diff) | |
download | bitcoin-1aa97ee088ea03dd208be054c5ad9198c1f13329.tar.xz |
Add savemempool RPC
Diffstat (limited to 'test')
-rwxr-xr-x | test/functional/mempool_persist.py | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/functional/mempool_persist.py b/test/functional/mempool_persist.py index 01f65b1373..149a01870d 100755 --- a/test/functional/mempool_persist.py +++ b/test/functional/mempool_persist.py @@ -28,8 +28,14 @@ Test is as follows: - Restart node0 with -persistmempool. Verify that it has 5 transactions in its mempool. This tests that -persistmempool=0 does not overwrite a previously valid mempool stored on disk. + - Remove node0 mempool.dat and verify savemempool RPC recreates it + and verify that node1 can load it and has 5 transaction in its + mempool. + - Verify that savemempool throws when the RPC is called if + node1 can't write to disk. """ +import os import time from test_framework.test_framework import BitcoinTestFramework @@ -78,5 +84,27 @@ class MempoolPersistTest(BitcoinTestFramework): self.start_node(0) wait_until(lambda: len(self.nodes[0].getrawmempool()) == 5) + mempooldat0 = os.path.join(self.options.tmpdir, 'node0', 'regtest', 'mempool.dat') + mempooldat1 = os.path.join(self.options.tmpdir, 'node1', 'regtest', 'mempool.dat') + self.log.debug("Remove the mempool.dat file. Verify that savemempool to disk via RPC re-creates it") + os.remove(mempooldat0) + self.nodes[0].savemempool() + assert os.path.isfile(mempooldat0) + + self.log.debug("Stop nodes, make node1 use mempool.dat from node0. Verify it has 5 transactions") + os.rename(mempooldat0, mempooldat1) + self.stop_nodes() + self.start_node(1, extra_args=[]) + wait_until(lambda: len(self.nodes[1].getrawmempool()) == 5) + + self.log.debug("Prevent bitcoind from writing mempool.dat to disk. Verify that `savemempool` fails") + # to test the exception we are setting bad permissions on a tmp file called mempool.dat.new + # which is an implementation detail that could change and break this test + mempooldotnew1 = mempooldat1 + '.new' + with os.fdopen(os.open(mempooldotnew1, os.O_CREAT, 0o000), 'w'): + pass + assert_raises_jsonrpc(-1, "Unable to dump mempool to disk", self.nodes[1].savemempool) + os.remove(mempooldotnew1) + if __name__ == '__main__': MempoolPersistTest().main() |