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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| {-# LANGUAGE DataKinds #-} | ||
| {-# LANGUAGE GADTs #-} | ||
| {-# LANGUAGE LambdaCase #-} | ||
| {-# LANGUAGE RankNTypes #-} | ||
|
|
||
| module Cardano.Wallet.Address.Keys.MintBurn | ||
| ( derivePolicyKeyAndHash | ||
| , toTokenMapAndScript | ||
| , toTokenPolicyId | ||
| ) where | ||
|
|
||
| import Prelude | ||
|
|
||
| import Cardano.Wallet.Address.Derivation | ||
| ( Index, DerivationType (..), Depth (..)) | ||
| import Cardano.Address.Script | ||
| ( Cosigner, KeyHash, Script (..), ScriptHash (unScriptHash), toScriptHash ) | ||
| import Cardano.Wallet.Address.Keys.WalletKey | ||
| ( AfterByron, hashVerificationKeyNew, liftRawKeyNew, getRawKeyNew, publicKeyNew ) | ||
| import Cardano.Wallet.Flavor | ||
| ( KeyFlavorS ) | ||
| import Cardano.Wallet.Primitive.Types.Hash | ||
| ( Hash (..) ) | ||
| import Cardano.Wallet.Primitive.Types.TokenMap | ||
| ( AssetId (..) ) | ||
| import Cardano.Wallet.Primitive.Types.TokenPolicy | ||
| ( TokenName, TokenPolicyId (..) ) | ||
| import Cardano.Wallet.Primitive.Types.TokenQuantity | ||
| ( TokenQuantity (..) ) | ||
| import Data.Map | ||
| ( Map ) | ||
| import GHC.Natural | ||
| ( Natural ) | ||
| import GHC.Stack | ||
| ( HasCallStack ) | ||
|
|
||
| import qualified Cardano.Address.Script as CA | ||
| import qualified Data.Map as Map | ||
| import Cardano.Wallet.Primitive.Passphrase (Passphrase(..)) | ||
| import Cardano.Address.Derivation (XPrv, XPub) | ||
| import Cardano.Wallet.Address.Derivation.MintBurn (derivePolicyPrivateKey) | ||
|
|
||
| toTokenPolicyId | ||
| :: forall key | ||
| . (HasCallStack, AfterByron key ~ 'True) | ||
| => KeyFlavorS key | ||
| -> Script Cosigner | ||
| -> Map Cosigner XPub | ||
| -> TokenPolicyId | ||
| toTokenPolicyId kf scriptTempl cosignerMap = | ||
| UnsafeTokenPolicyId | ||
| . Hash | ||
| . unScriptHash | ||
| . toScriptHash | ||
| $ replaceCosigner kf cosignerMap scriptTempl | ||
|
|
||
| toTokenMapAndScript | ||
| :: forall key | ||
| . (HasCallStack, AfterByron key ~ 'True) | ||
| => KeyFlavorS key | ||
| -> Script Cosigner | ||
| -> Map Cosigner XPub | ||
| -> TokenName | ||
| -> Natural | ||
| -> (AssetId, TokenQuantity, Script KeyHash) | ||
| toTokenMapAndScript kf scriptTempl cosignerMap tName val = | ||
| ( AssetId (toTokenPolicyId kf scriptTempl cosignerMap) tName | ||
| , TokenQuantity val | ||
| , replaceCosigner kf cosignerMap scriptTempl | ||
| ) | ||
|
|
||
| replaceCosigner | ||
| :: forall key | ||
| . (HasCallStack, AfterByron key ~ 'True) | ||
| => KeyFlavorS key | ||
| -> Map Cosigner XPub | ||
| -> Script Cosigner | ||
| -> Script KeyHash | ||
| replaceCosigner kf cosignerMap = \case | ||
| RequireSignatureOf c -> | ||
| RequireSignatureOf $ toKeyHash c | ||
| RequireAllOf xs -> | ||
| RequireAllOf (map (replaceCosigner kf cosignerMap) xs) | ||
| RequireAnyOf xs -> | ||
| RequireAnyOf (map (replaceCosigner kf cosignerMap) xs) | ||
| RequireSomeOf m xs -> | ||
| RequireSomeOf m (map (replaceCosigner kf cosignerMap) xs) | ||
| ActiveFromSlot s -> | ||
| ActiveFromSlot s | ||
| ActiveUntilSlot s -> | ||
| ActiveUntilSlot s | ||
| where | ||
| toKeyHash :: HasCallStack => Cosigner -> KeyHash | ||
| toKeyHash c = case Map.lookup c cosignerMap of | ||
| Just xpub -> hashVerificationKeyNew kf CA.Policy (liftRawKeyNew kf xpub) | ||
| Nothing -> error "Impossible: cosigner without xpub." | ||
|
|
||
|
|
||
| -- | Derive the policy private key that should be used to create mint/burn | ||
| -- scripts, as well as the key hash of the policy public key. | ||
| derivePolicyKeyAndHash | ||
| :: AfterByron key ~ 'True | ||
| => KeyFlavorS key | ||
| -> Passphrase "encryption" | ||
| -- ^ Passphrase for wallet | ||
| -> key 'RootK XPrv | ||
| -- ^ Root private key to derive policy private key from | ||
| -> Index 'Hardened 'PolicyK | ||
| -- ^ Index of policy script | ||
| -> (key 'PolicyK XPrv, KeyHash) | ||
| -- ^ Policy private key | ||
| derivePolicyKeyAndHash kf pwd rootPrv policyIx = (policyK, vkeyHash) | ||
| where | ||
| policyK = liftRawKeyNew kf policyPrv | ||
| policyPrv = derivePolicyPrivateKey pwd (getRawKeyNew kf rootPrv) policyIx | ||
| vkeyHash = hashVerificationKeyNew kf CA.Payment (publicKeyNew kf policyK) |
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