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Clean up node.fork_multi_flip test. #4411

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Jan 30, 2024
Merged

Clean up node.fork_multi_flip test. #4411

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46 changes: 14 additions & 32 deletions nano/core_test/node.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -752,6 +752,7 @@ TEST (node, fork_flip)
ASSERT_FALSE (node2.ledger.block_or_pruned_exists (publish2.block->hash ()));
}

// Test that more than one block can be rolled back
TEST (node, fork_multi_flip)
{
auto type = nano::transport::transport_type::tcp;
Expand All @@ -772,7 +773,6 @@ TEST (node, fork_multi_flip)
.sign (nano::dev::genesis_key.prv, nano::dev::genesis_key.pub)
.work (*system.work.generate (nano::dev::genesis->hash ()))
.build_shared ();
nano::publish publish1{ nano::dev::network_params.network, send1 };
nano::keypair key2;
auto send2 = builder.make_block ()
.previous (nano::dev::genesis->hash ())
Expand All @@ -781,44 +781,26 @@ TEST (node, fork_multi_flip)
.sign (nano::dev::genesis_key.prv, nano::dev::genesis_key.pub)
.work (*system.work.generate (nano::dev::genesis->hash ()))
.build_shared ();
nano::publish publish2{ nano::dev::network_params.network, send2 };
auto send3 = builder.make_block ()
.previous (publish2.block->hash ())
.previous (send2->hash ())
.destination (key2.pub)
.balance (nano::dev::constants.genesis_amount - 100)
.sign (nano::dev::genesis_key.prv, nano::dev::genesis_key.pub)
.work (*system.work.generate (publish2.block->hash ()))
.work (*system.work.generate (send2->hash ()))
.build_shared ();
nano::publish publish3{ nano::dev::network_params.network, send3 };
auto channel1 = std::make_shared<nano::transport::fake::channel> (node1);
auto channel2 = std::make_shared<nano::transport::fake::channel> (node2);
node1.network.inbound (publish1, channel1);
node2.network.inbound (publish2, channel2);
node2.network.inbound (publish3, channel2);
node1.block_processor.flush ();
node2.block_processor.flush ();
ASSERT_TIMELY_EQ (5s, 1, node1.active.size ());
ASSERT_TIMELY_EQ (5s, 1, node2.active.size ());
system.wallet (0)->insert_adhoc (nano::dev::genesis_key.prv);
ASSERT_EQ (nano::process_result::progress, node1.ledger.process (node1.store.tx_begin_write (), *send1).code);
// Node2 has two blocks that will be rolled back by node1's vote
ASSERT_EQ (nano::process_result::progress, node2.ledger.process (node2.store.tx_begin_write (), *send2).code);
ASSERT_EQ (nano::process_result::progress, node2.ledger.process (node2.store.tx_begin_write (), *send3).code);
system.wallet (0)->insert_adhoc (nano::dev::genesis_key.prv); // Insert voting key in to node1

node1.network.inbound (publish2, channel1);
node1.network.inbound (publish3, channel1);
node1.block_processor.flush ();
node2.network.inbound (publish1, channel2);
node2.block_processor.flush ();
ASSERT_TIMELY (5s, node2.active.election (nano::qualified_root (nano::dev::genesis->hash (), nano::dev::genesis->hash ())));
auto election1 (node2.active.election (nano::qualified_root (nano::dev::genesis->hash (), nano::dev::genesis->hash ())));
ASSERT_NE (nullptr, election1);
ASSERT_EQ (1, election1->votes ().size ());
ASSERT_TRUE (node1.ledger.block_or_pruned_exists (publish1.block->hash ()));
ASSERT_TRUE (nano::test::block_or_pruned_all_exists (node2, { publish2.block, publish3.block }));
ASSERT_TIMELY (10s, node2.ledger.block_or_pruned_exists (publish1.block->hash ()));
auto winner (*election1->tally ().begin ());
ASSERT_EQ (*publish1.block, *winner.second);
auto election = nano::test::start_election (system, node2, send2->hash ());
ASSERT_NE (nullptr, election);
ASSERT_TIMELY (5s, node2.ledger.block_or_pruned_exists (send1->hash ()));
ASSERT_TRUE (nano::test::block_or_pruned_none_exists (node2, { send2, send3 }));
auto winner = *election->tally ().begin ();
ASSERT_EQ (*send1, *winner.second);
ASSERT_EQ (nano::dev::constants.genesis_amount - 100, winner.first);
ASSERT_TRUE (node1.ledger.block_or_pruned_exists (publish1.block->hash ()));
ASSERT_TRUE (node2.ledger.block_or_pruned_exists (publish1.block->hash ()));
ASSERT_TRUE (nano::test::block_or_pruned_none_exists (node2, { publish2.block, publish3.block }));
}

// Blocks that are no longer actively being voted on should be able to be evicted through bootstrapping.
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