Merge pull request #6467 from IntersectMBO/add-params-perso-to-cardano-subcommand

cardano-testnet: Add `--params-file` and `--params-mainnet` flags to `cardano` subcommand

Author: palas

cardano-testnet/changelog.d/20260226_013050_palas_add_params_perso_to_cardano_subcommand.md

@@ -0,0 +1,4 @@
+### Added
+
+- Added `--params-file` and `--params-mainnet` flags to `cardano-testnet cardano` subcommand.
+

cardano-testnet/src/Parsers/Cardano.hs

@@ -33,6 +33,7 @@ optsTestnet = CardanoTestnetCliOptions
   <*> pGenesisOptions
   <*> pNodeEnvironment
   <*> pUpdateTimestamps
+  <*> pOnChainParams
 
 optsCreateTestnet :: Parser CardanoTestnetCreateEnvOptions
 optsCreateTestnet = CardanoTestnetCreateEnvOptions

cardano-testnet/src/Parsers/Run.hs

@@ -13,7 +13,6 @@ module Parsers.Run
 import           Cardano.CLI.Environment
 
 import           Control.Monad (void)
-import           Data.Default.Class (def)
 import           Options.Applicative
 import qualified Options.Applicative as Opt
 
@@ -75,6 +74,7 @@ runCardanoOptions CardanoTestnetCliOptions
   , cliGenesisOptions=genesisOptions
   , cliNodeEnvironment=env
   , cliUpdateTimestamps=updateTimestamps'
+  , cliOnChainParams=onChainParams
   } = do
     case env of
       NoUserProvidedEnv -> do
@@ -84,7 +84,7 @@ runCardanoOptions CardanoTestnetCliOptions
         conf <- mkConfigAbs "testnet"
         runSimpleApp . runResourceT $ do
           logInfo $ "Creating environment: " <> display (tempAbsPath conf)
-          createTestnetEnv testnetOptions genesisOptions def conf
+          createTestnetEnv testnetOptions genesisOptions (CreateEnvOptions onChainParams) conf
           logInfo $ "Starting testnet in environment: " <> display (tempAbsPath conf)
           void $ cardanoTestnet testnetOptions conf
           logInfo "Testnet started"

cardano-testnet/src/Testnet/Start/Types.hs

@@ -84,6 +84,7 @@ data CardanoTestnetCliOptions = CardanoTestnetCliOptions
   , cliGenesisOptions :: GenesisOptions
   , cliNodeEnvironment :: UserProvidedEnv
   , cliUpdateTimestamps :: UpdateTimestamps
+  , cliOnChainParams :: TestnetOnChainParams
   } deriving (Eq, Show)
 
 instance Default CardanoTestnetCliOptions where
@@ -92,6 +93,7 @@ instance Default CardanoTestnetCliOptions where
     , cliGenesisOptions = def
     , cliNodeEnvironment = def
     , cliUpdateTimestamps = def
+    , cliOnChainParams = def
     }
 
 data UserProvidedEnv

cardano-testnet/test/cardano-testnet-golden/files/golden/help.cli

@@ -13,6 +13,7 @@ Usage: cardano-testnet cardano [--num-pool-nodes COUNT]
   [--active-slots-coeff DOUBLE]
   [--node-env FILEPATH]
   [--update-time]
+  [--params-file FILEPATH | --params-mainnet]
 
   Start a testnet and keep it running until stopped
 

cardano-testnet/test/cardano-testnet-golden/files/golden/help/cardano.cli

@@ -11,6 +11,7 @@ Usage: cardano-testnet cardano [--num-pool-nodes COUNT]
   [--active-slots-coeff DOUBLE]
   [--node-env FILEPATH]
   [--update-time]
+  [--params-file FILEPATH | --params-mainnet]
 
   Start a testnet and keep it running until stopped
 
@@ -50,4 +51,8 @@ Available options:
                            pass it with this argument.
   --update-time            Update the time stamps in genesis files to current
                            date
+  --params-file FILEPATH   File containing custom on-chain parameters in
+                           Blockfrost format:
+                           https://docs.blockfrost.io/#tag/cardano--epochs/GET/epochs/latest/parameters
+  --params-mainnet         Use mainnet on-chain parameters
   -h,--help                Show this help text