public void Can_load_parameters_after_the_restart()
{
using MemDb metadataDb = new();
int terminalBlock = 4;
TestSpecProvider specProvider = new(London.Instance);
specProvider.TerminalTotalDifficulty = 5000000;
Block genesisBlock = Build.A.Block.WithNumber(0).TestObject;
BlockTree blockTree = Build.A.BlockTree(genesisBlock, specProvider).OfChainLength(4).TestObject;
PoSSwitcher poSSwitcher = CreatePosSwitcher(blockTree, metadataDb, specProvider);
Assert.AreEqual(false, poSSwitcher.HasEverReachedTerminalBlock());
Block block = Build.A.Block.WithTotalDifficulty(5000000L).WithNumber(terminalBlock).WithParent(blockTree.Head !).WithDifficulty(1000000L).TestObject;
blockTree.SuggestBlock(block);
blockTree.UpdateMainChain(block);
Assert.AreEqual(terminalBlock + 1, specProvider.MergeBlockNumber);
Assert.AreEqual(true, poSSwitcher.HasEverReachedTerminalBlock());
TestSpecProvider newSpecProvider = new(London.Instance);
newSpecProvider.TerminalTotalDifficulty = 5000000L;
// we're using the same MemDb for a new switcher
PoSSwitcher newPoSSwitcher = CreatePosSwitcher(blockTree, metadataDb, newSpecProvider);
Assert.AreEqual(terminalBlock + 1, newSpecProvider.MergeBlockNumber);
Assert.AreEqual(true, newPoSSwitcher.HasEverReachedTerminalBlock());
}
public void Switch_when_TTD_is_reached()
{
TestSpecProvider specProvider = new(London.Instance);
specProvider.TerminalTotalDifficulty = 5000000;
Block genesisBlock = Build.A.Block.WithNumber(0).TestObject;
BlockTree blockTree = Build.A.BlockTree(genesisBlock, specProvider).OfChainLength(4).TestObject;
PoSSwitcher poSSwitcher = CreatePosSwitcher(blockTree, new MemDb(), specProvider);
Assert.AreEqual(false, poSSwitcher.HasEverReachedTerminalBlock());
Block block = Build.A.Block.WithTotalDifficulty(5000000L).WithNumber(4).WithParent(blockTree.Head !).WithDifficulty(1000000L).TestObject;
blockTree.SuggestBlock(block);
blockTree.UpdateMainChain(block);
Assert.AreEqual(true, poSSwitcher.HasEverReachedTerminalBlock());
}
public void New_terminal_block_when_ttd_reached()
{
TestSpecProvider specProvider = new(London.Instance);
specProvider.TerminalTotalDifficulty = 5000000;
Block genesisBlock = Build.A.Block.WithNumber(0).TestObject;
BlockTree blockTree = Build.A.BlockTree(genesisBlock, specProvider).OfChainLength(4).TestObject;
PoSSwitcher poSSwitcher = CreatePosSwitcher(blockTree, new MemDb(), specProvider);
Assert.AreEqual(false, poSSwitcher.HasEverReachedTerminalBlock());
Block block = Build.A.Block.WithTotalDifficulty(5000000L).WithNumber(4).WithParent(blockTree.Head !).WithDifficulty(1000000L).TestObject;
Block alternativeTerminalBlock = Build.A.Block.WithTotalDifficulty(5000000L).WithNumber(4).WithParent(blockTree.Head !).WithGasLimit(20000000).WithDifficulty(1000000L).TestObject;
blockTree.SuggestBlock(block);
blockTree.UpdateMainChain(block);
Assert.AreEqual(true, poSSwitcher.HasEverReachedTerminalBlock());
Assert.AreEqual((true, false), poSSwitcher.GetBlockConsensusInfo(alternativeTerminalBlock.Header));
}
