Psm/decimal

proto/reserve/psm/v1/tx.proto

@@ -71,6 +71,8 @@ message MsgAddStableCoin {
   ];
   int64 oracle_script = 6;
   string symbol = 7;
+  uint64 stable_decimal = 8;
+  uint64 mint_decimal = 9;
 }
 
 message MsgAddStableCoinResponse {}
@@ -103,6 +105,9 @@ message MsgUpdatesStableCoin {
 
   int64 oracle_script = 6;
   string symbol = 7;
+
+  uint64 stable_decimal = 8;
+  uint64 mint_decimal = 9;
 }
 
 message MsgUpdatesStableCoinResponse {}

x/psm/keeper/keeper_test.go

@@ -43,6 +43,10 @@ func (s MockOracleKeeper) GetPrice(ctx context.Context, denom1 string, denom2 st
 	return p, nil
 }
 
+func (s MockOracleKeeper) SetPairDecimalsRate(ctx context.Context, base, quote string, baseDecimals, quoteDecimals uint64) error {
+	return nil
+}
+
 func (s MockOracleKeeper) AddNewSymbolToBandOracleRequest(ctx context.Context, symbol string, oracleScriptId int64) error {
 	_, ok := s.prices[symbol]
 

x/psm/keeper/msg_server.go

@@ -99,6 +99,11 @@ func (k msgServer) AddStableCoinProposal(ctx context.Context, msg *types.MsgAddS
 		return &types.MsgAddStableCoinResponse{}, err
 	}
 
+	err = k.keeper.OracleKeeper.SetPairDecimalsRate(ctx, msg.Symbol, types.SymBolUSD, msg.StableDecimal, msg.MintDecimal)
+	if err != nil {
+		return &types.MsgAddStableCoinResponse{}, err
+	}
+
 	sdkCtx.EventManager().EmitEvent(
 		sdk.NewEvent(
 			types.EventAddStablecoin,
@@ -136,6 +141,11 @@ func (k msgServer) UpdatesStableCoinProposal(ctx context.Context, msg *types.Msg
 		return &types.MsgUpdatesStableCoinResponse{}, err
 	}
 
+	err = k.keeper.OracleKeeper.SetPairDecimalsRate(ctx, msg.Symbol, types.SymBolUSD, msg.StableDecimal, msg.MintDecimal)
+	if err != nil {
+		return &types.MsgUpdatesStableCoinResponse{}, err
+	}
+
 	sdkCtx.EventManager().EmitEvent(
 		sdk.NewEvent(
 			types.EventAddStablecoin,

x/psm/types/expected_keepers.go

@@ -35,4 +35,5 @@ type ParamSubspace interface {
 type OracleKeeper interface {
 	GetPrice(ctx context.Context, base, quote string) (math.LegacyDec, error)
 	AddNewSymbolToBandOracleRequest(ctx context.Context, symbol string, oracleScriptId int64) error
+	SetPairDecimalsRate(ctx context.Context, base, quote string, baseDecimals, quoteDecimals uint64) error
 }

x/psm/types/msgs.go

@@ -18,6 +18,8 @@ var (
 
 	_ govtypes.Content = &MsgAddStableCoin{}
 	_ govtypes.Content = &MsgUpdatesStableCoin{}
+
+	Msg_serviceDesc = _Msg_serviceDesc
 )
 
 const (