refactor: De-globalize g_signals

src/test/peerman_tests.cpp

@@ -25,7 +25,7 @@ static void mineBlock(const node::NodeContext& node, std::chrono::seconds block_
     block.fChecked = true; // little speedup
     SetMockTime(curr_time); // process block at current time
     Assert(node.chainman->ProcessNewBlock(std::make_shared<const CBlock>(block), /*force_processing=*/true, /*min_pow_checked=*/true, nullptr));
-    SyncWithValidationInterfaceQueue(); // drain events queue
+    node.validation_signals->SyncWithValidationInterfaceQueue(); // drain events queue
 }
 
 // Verifying when network-limited peer connections are desirable based on the node's proximity to the tip
@@ -57,7 +57,7 @@ BOOST_AUTO_TEST_CASE(connections_desirable_service_flags)
 
     // By now, we tested that the connections desirable services flags change based on the node's time proximity to the tip.
     // Now, perform the same tests for when the node receives a block.
-    RegisterValidationInterface(peerman.get());
+    m_node.validation_signals->RegisterValidationInterface(peerman.get());
 
     // First, verify a block in the past doesn't enable limited peers connections
     // At this point, our time is (NODE_NETWORK_LIMITED_ALLOW_CONN_BLOCKS + 1) * 10 minutes ahead the tip's time.