feat: add tx family of endpoints

Closes: #21

geniusyield-server-lib/geniusyield-server-lib.cabal

@@ -64,6 +64,7 @@ library
     GeniusYield.Server.Files
     GeniusYield.Server.Options
     GeniusYield.Server.RequestLoggerMiddleware
+    GeniusYield.Server.Tx
     GeniusYield.Server.Utils
 
   other-modules:

geniusyield-server-lib/src/GeniusYield/Server/Api.hs

@@ -20,8 +20,9 @@ import GeniusYield.GYConfig (GYCoreConfig (cfgNetworkId))
 import GeniusYield.Imports
 import GeniusYield.Server.Constants (gitHash)
 import GeniusYield.Server.Ctx
-import GeniusYield.Server.Dex.PartialOrder (DEXPartialOrderAPI, handleDEXPartialOrder)
 import GeniusYield.Server.Dex.Markets (MarketsAPI, handleMarketsApi)
+import GeniusYield.Server.Dex.PartialOrder (DEXPartialOrderAPI, handleDEXPartialOrder)
+import GeniusYield.Server.Tx (TxAPI, handleTxApi)
 import GeniusYield.Server.Utils
 import GeniusYield.Types
 import PackageInfo_geniusyield_server_lib qualified as PackageInfo
@@ -55,6 +56,7 @@ type GeniusYieldAPI =
   "settings" :> Get '[JSON] Settings
     :<|> DEXPartialOrderAPI
     :<|> MarketsAPI
+    :<|> TxAPI
 
 geniusYieldAPI ∷ Proxy GeniusYieldAPI
 geniusYieldAPI = Proxy
@@ -77,6 +79,7 @@ geniusYieldServer ctx =
   handleSettings ctx
     :<|> handleDEXPartialOrder ctx
     :<|> handleMarketsApi ctx
+    :<|> handleTxApi ctx
 
 type MainAPI =
   GeniusYieldAPI

geniusyield-server-lib/src/GeniusYield/Server/Tx.hs

@@ -0,0 +1,84 @@
+module GeniusYield.Server.Tx (
+  TxAPI,
+  handleTxApi,
+) where
+
+import Control.Lens ((?~))
+import Data.Maybe (fromJust)
+import Data.Ratio ((%))
+import Data.Swagger qualified as Swagger
+import Data.Swagger.Internal.Schema qualified as Swagger
+import Data.Text qualified as T
+import Deriving.Aeson
+import GHC.TypeLits (Symbol)
+import GeniusYield.Api.Dex.PartialOrder (PORefs (..), PartialOrderInfo (..), cancelMultiplePartialOrders, getPartialOrdersInfos, partialOrders, placePartialOrder')
+import GeniusYield.Api.Dex.PartialOrderConfig (fetchPartialOrderConfig)
+import GeniusYield.HTTP.Errors (
+  GYApiError (..),
+  IsGYApiError (..),
+ )
+import GeniusYield.Imports
+import GeniusYield.OrderBot.Types (OrderAssetPair (..), mkEquivalentAssetPair, mkOrderAssetPair)
+import GeniusYield.Scripts.Dex.PartialOrderConfig (PartialOrderConfigInfoF (..))
+import GeniusYield.Server.Ctx
+import GeniusYield.Server.Utils (addSwaggerDescription, dropAndCamelToSnake, logInfo, unsignedTxHex)
+import GeniusYield.TxBuilder.Class
+import GeniusYield.Types
+import Network.HTTP.Types (status400)
+import PlutusLedgerApi.V1.Address (pubKeyHashAddress)
+import RIO.Map qualified as Map
+import Servant
+
+type TransactionSignPrefix ∷ Symbol
+type TransactionSignPrefix = "tf"
+
+-- TODO: JSON & Swagger instances.
+data TransactionSign = TransactionSign
+  { tsTransaction ∷ !GYTx
+  }
+  deriving stock (Generic)
+  deriving
+    (FromJSON, ToJSON)
+    via CustomJSON '[FieldLabelModifier '[StripPrefix TransactionSignPrefix, CamelToSnake]] TransactionSign
+
+instance Swagger.ToSchema TransactionSign where
+  declareNamedSchema =
+    Swagger.genericDeclareNamedSchema Swagger.defaultSchemaOptions {Swagger.fieldLabelModifier = dropAndCamelToSnake @TransactionSignPrefix}
+
+type TxAPI =
+  "tx"
+    :> "sign"
+    :> ReqBody '[JSON] GYTx
+    :> Post '[JSON] GYTx
+    :<|> "tx"
+      :> "sign_and_submit"
+      :> ReqBody '[JSON] GYTx
+      :> Post '[JSON] GYTxId
+    :<|> "tx"
+      :> "submit"
+      :> ReqBody '[JSON] GYTx
+      :> Post '[JSON] GYTxId
+
+handleTxApi ∷ Ctx → ServerT TxAPI IO
+handleTxApi ctx =
+  handleTxSign ctx
+    :<|> handleTxSignAndSubmit ctx
+    :<|> handleTxSubmit ctx
+
+handleTxSign ∷ Ctx → GYTx → IO GYTx
+handleTxSign ctx@Ctx {..} tx = do
+  -- TODO: Add log.
+  -- TODO: add signature.
+  pure tx
+
+handleTxSignAndSubmit ∷ Ctx → GYTx → IO GYTxId
+handleTxSignAndSubmit ctx@Ctx {..} tx = do
+  -- TODO: Add log.
+  -- TODO: add logic.
+  pure $ "6c751d3e198c5608dfafdfdffe16aeac8a28f88f3a769cf22dd45e8bc84f47e8"
+
+handleTxSubmit ∷ Ctx → GYTx → IO GYTxId
+handleTxSubmit ctx@Ctx {..} tx = do
+  -- TODO: Add log.
+  -- TODO: add logic.
+  pure $ "6c751d3e198c5608dfafdfdffe16aeac8a28f88f3a769cf22dd45e8bc84f47e8"