Add marconi-mamba package

cabal.project

@@ -4,6 +4,7 @@ index-state: 2022-02-22T20:47:03Z
 packages: doc
           freer-extras
           marconi
+          marconi-mamba
           playground-common
           pab-blockfrost
           plutus-chain-index

marconi-mamba/app/Main.hs

@@ -0,0 +1,52 @@
+{-# LANGUAGE NamedFieldPuns #-}
+module Main where
+
+import Cardano.Api qualified as C
+import Marconi.Indexers qualified as I
+import Options.Applicative qualified as Opt
+import Plutus.Streaming (withChainSyncEventStream)
+
+data Args = Args
+  { socket    :: FilePath
+  , dbPath    :: FilePath
+  , networkId :: C.NetworkId
+  } deriving (Show)
+
+args :: Opt.Parser Args
+args = Args
+  <$> Opt.strOption (Opt.long "socket" <> Opt.metavar "FILE" <> Opt.help "Socket path to node")
+  <*> Opt.strOption (Opt.long "db" <> Opt.metavar "FILE" <> Opt.help "Path to the utxo database.")
+  <*> pNetworkId
+  where
+    pNetworkId :: Opt.Parser C.NetworkId
+    pNetworkId =
+      pMainnet Opt.<|> fmap C.Testnet pTestnetMagic
+     where
+       pMainnet :: Opt.Parser C.NetworkId
+       pMainnet =
+        Opt.flag' C.Mainnet
+          (  Opt.long "mainnet"
+          <> Opt.help "Use the mainnet magic id."
+          )
+
+    pTestnetMagic :: Opt.Parser C.NetworkMagic
+    pTestnetMagic =
+      C.NetworkMagic <$>
+        Opt.option Opt.auto
+          (  Opt.long "testnet-magic"
+          <> Opt.metavar "NATURAL"
+          <> Opt.help "Specify a testnet magic id."
+          )
+
+opts :: Opt.ParserInfo Args
+opts = Opt.info (args Opt.<**> Opt.helper)
+  ( Opt.fullDesc
+ <> Opt.header "marconi-mamba - Cardano blockchain indexer" )
+
+main :: IO ()
+main = do
+  Args {socket, dbPath, networkId} <- Opt.execParser opts
+  let indexers = I.combineIndexers [(I.utxoWorker Nothing, dbPath)]
+
+  let chainPoint = C.ChainPointAtGenesis
+  withChainSyncEventStream socket networkId chainPoint indexers

marconi-mamba/marconi-mamba.cabal

@@ -0,0 +1,64 @@
+cabal-version: 3.0
+name:          marconi-mamba
+version:       0.1.0.0
+license:       Apache-2.0
+license-files:
+  LICENSE
+  NOTICE
+
+author:        Markus Läll
+maintainer:    markus.lall@iohk.io
+homepage:      https://github.com/input-output-hk/plutus-apps#readme
+bug-reports:   https://github.com/input-output-hk/plutus-apps/issues
+description:
+  Please see the README on GitHub at <https://github.com/input-output-hk/plutus-apps#readme>
+
+build-type:    Simple
+
+source-repository head
+  type:     git
+  location: https://github.com/input-output-hk/plutus-apps
+
+common lang
+  default-language:   Haskell2010
+  default-extensions:
+    DeriveFoldable
+    DeriveFunctor
+    DeriveGeneric
+    DeriveLift
+    DeriveTraversable
+    ExplicitForAll
+    GeneralizedNewtypeDeriving
+    ImportQualifiedPost
+    ScopedTypeVariables
+    StandaloneDeriving
+
+  ghc-options:
+    -Wall -Widentities -Wincomplete-record-updates
+    -Wincomplete-uni-patterns -Wmissing-import-lists
+    -Wnoncanonical-monad-instances -Wredundant-constraints
+    -Wunused-packages
+
+executable marconi-mamba
+  import:         lang
+  hs-source-dirs: app
+  main-is:        Main.hs
+
+  --------------------
+  -- Local components
+  --------------------
+  build-depends:
+    , marconi
+    , plutus-streaming
+
+  --------------------------
+  -- Other IOG dependencies
+  --------------------------
+  build-depends:  cardano-api
+
+  ------------------------
+  -- Non-IOG dependencies
+  ------------------------
+  build-depends:
+    , base                  >=4.9 && <5
+    , optparse-applicative