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Merge #12206: qa: Sync with validationinterface queue in sync_mempools

fa1e69e qa: Sync with validationinterface queue in sync_mempools (MarcoFalke)

Pull request description:

  Commit e545dedf72 moved `TransactionAddedToMempool` to the background scheduler thread. Thus, adding a transaction to the mempool will no longer add it to the wallet immediately. Functional tests, that `sync_mempools` and then call into wallet rpcs will race against the scheduler thread.

  Fix that race by flushing the scheduler queue.

  Fixes #12205; Fixes #12171;
  References #9584;

Tree-SHA512: 14d99cff9c4756de9fad412f04e6d8e25bb9a0938f24ed8348de79df5b4ee67763dac5214b1a69e77e60787d81ee642976d1482b1b5637edfc4892a238ed22af
0.16
Wladimir J. van der Laan 7 years ago
parent
commit
898f560b55
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GPG Key ID: 1E4AED62986CD25D
  1. 17
      src/rpc/blockchain.cpp
  2. 5
      test/functional/test_framework/util.py

17
src/rpc/blockchain.cpp

@ -24,6 +24,7 @@
#include <util.h> #include <util.h>
#include <utilstrencodings.h> #include <utilstrencodings.h>
#include <hash.h> #include <hash.h>
#include <validationinterface.h>
#include <warnings.h> #include <warnings.h>
#include <stdint.h> #include <stdint.h>
@ -323,6 +324,21 @@ UniValue waitforblockheight(const JSONRPCRequest& request)
return ret; return ret;
} }
UniValue syncwithvalidationinterfacequeue(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() > 0) {
throw std::runtime_error(
"syncwithvalidationinterfacequeue\n"
"\nWaits for the validation interface queue to catch up on everything that was there when we entered this function.\n"
"\nExamples:\n"
+ HelpExampleCli("syncwithvalidationinterfacequeue","")
+ HelpExampleRpc("syncwithvalidationinterfacequeue","")
);
}
SyncWithValidationInterfaceQueue();
return NullUniValue;
}
UniValue getdifficulty(const JSONRPCRequest& request) UniValue getdifficulty(const JSONRPCRequest& request)
{ {
if (request.fHelp || request.params.size() != 0) if (request.fHelp || request.params.size() != 0)
@ -1628,6 +1644,7 @@ static const CRPCCommand commands[] =
{ "hidden", "waitfornewblock", &waitfornewblock, {"timeout"} }, { "hidden", "waitfornewblock", &waitfornewblock, {"timeout"} },
{ "hidden", "waitforblock", &waitforblock, {"blockhash","timeout"} }, { "hidden", "waitforblock", &waitforblock, {"blockhash","timeout"} },
{ "hidden", "waitforblockheight", &waitforblockheight, {"height","timeout"} }, { "hidden", "waitforblockheight", &waitforblockheight, {"height","timeout"} },
{ "hidden", "syncwithvalidationinterfacequeue", &syncwithvalidationinterfacequeue, {} },
}; };
void RegisterBlockchainRPCCommands(CRPCTable &t) void RegisterBlockchainRPCCommands(CRPCTable &t)

5
test/functional/test_framework/util.py

@ -390,7 +390,7 @@ def sync_chain(rpc_connections, *, wait=1, timeout=60):
timeout -= wait timeout -= wait
raise AssertionError("Chain sync failed: Best block hashes don't match") raise AssertionError("Chain sync failed: Best block hashes don't match")
def sync_mempools(rpc_connections, *, wait=1, timeout=60): def sync_mempools(rpc_connections, *, wait=1, timeout=60, flush_scheduler=True):
""" """
Wait until everybody has the same transactions in their memory Wait until everybody has the same transactions in their memory
pools pools
@ -402,6 +402,9 @@ def sync_mempools(rpc_connections, *, wait=1, timeout=60):
if set(rpc_connections[i].getrawmempool()) == pool: if set(rpc_connections[i].getrawmempool()) == pool:
num_match = num_match + 1 num_match = num_match + 1
if num_match == len(rpc_connections): if num_match == len(rpc_connections):
if flush_scheduler:
for r in rpc_connections:
r.syncwithvalidationinterfacequeue()
return return
time.sleep(wait) time.sleep(wait)
timeout -= wait timeout -= wait

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