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hbs2
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This commit is contained in:
Dmitry Zuikov 2023-01-11 16:55:37 +03:00
parent 5ce0f8c48f
commit 1ab9171b09
1 changed files with 21 additions and 9 deletions
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20
hbs2/Main.hs
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@ -40,15 +40,21 @@ newtype MerkleHash = MerkleHash { fromMerkleHash :: Hash HbSync }
deriving newtype (Eq,Ord,IsString,Pretty) deriving newtype (Eq,Ord,IsString,Pretty)
deriving stock (Data,Generic) deriving stock (Data,Generic)
newtype CatHashesOnly = CatHashesOnly Bool
deriving newtype (Eq,Ord,Pretty)
deriving stock (Data,Generic)
newtype StoreOpts = newtype StoreOpts =
StoreOpts { StoreOpts {
storeInputFile :: Maybe OptInputFile storeInputFile :: Maybe OptInputFile
} }
deriving stock (Data) deriving stock (Data)
newtype CatOpts = data CatOpts =
CatOpts { CatOpts
catMerkleHash :: Maybe MerkleHash { catMerkleHash :: Maybe MerkleHash
, catHashesOnly :: Maybe CatHashesOnly
} }
deriving stock (Data) deriving stock (Data)
@ -67,12 +73,17 @@ readChunked handle size = fuu
runCat :: Data opts => opts -> SimpleStorage HbSync -> IO () runCat :: Data opts => opts -> SimpleStorage HbSync -> IO ()
runCat opts ss = do runCat opts ss = do
let honly = or [ x | CatHashesOnly x <- universeBi opts ]
void $ runMaybeT $ do void $ runMaybeT $ do
mhash <- MaybeT $ pure $ uniLastMay @MerkleHash opts <&> fromMerkleHash mhash <- MaybeT $ pure $ uniLastMay @MerkleHash opts <&> fromMerkleHash
liftIO $ walkMerkle mhash (getBlock ss) $ \(hr :: [HashRef]) -> do liftIO $ walkMerkle mhash (getBlock ss) $ \(hr :: [HashRef]) -> do
forM_ hr $ \(HashRef h) -> do forM_ hr $ \(HashRef h) -> do
if honly then do
print $ pretty h
else do
mblk <- getBlock ss h mblk <- getBlock ss h
case mblk of case mblk of
Nothing -> error $ show $ "missed block: " <+> pretty h Nothing -> error $ show $ "missed block: " <+> pretty h
@ -138,5 +149,6 @@ main = join . customExecParser (prefs showHelpOnError) $
pCat = do pCat = do
o <- common o <- common
hash <- optional $ strArgument ( metavar "HASH" ) hash <- optional $ strArgument ( metavar "HASH" )
pure $ withStore o (runCat ( CatOpts hash )) onlyh <- optional $ flag' True ( short 'H' <> long "hashes-only" <> help "list only block hashes" )
pure $ withStore o $ runCat $ CatOpts hash (CatHashesOnly <$> onlyh)