add lending params update msg

Author: keithsue

api/side/lending/tx.pulsar.go

@@ -5,6 +5,7 @@ import "gogoproto/gogo.proto";
 import "cosmos/msg/v1/msg.proto";
 import "cosmos/base/v1beta1/coin.proto";
 import "side/lending/lending.proto";
+import "side/lending/params.proto";
 
 option go_package = "github.com/sideprotocol/side/x/lending/types";
 
@@ -22,6 +23,12 @@ service Msg {
     rpc SubmitRepaymentAdaptorSignature(MsgSubmitRepaymentAdaptorSignature) returns (MsgSubmitRepaymentAdaptorSignatureResponse);
     rpc SubmitLiquidationCetSignatures(MsgSubmitLiquidationCetSignatures) returns (MsgSubmitLiquidationCetSignaturesResponse);
     rpc Close(MsgClose) returns (MsgCloseResponse);
+
+    // UpdateParams defines a governance operation for updating the x/dlc module
+    // parameters. The authority defaults to the x/gov module account.
+    //
+    // Since: cosmos-sdk 0.47
+    rpc UpdateParams(MsgUpdateParams) returns (MsgUpdateParamsResponse);
 }
 
 message MsgCreatePool {
@@ -145,3 +152,23 @@ message MsgClose {
 }
 
 message MsgCloseResponse{}
+
+// MsgUpdateParams is the Msg/UpdateParams request type.
+//
+// Since: cosmos-sdk 0.47
+message MsgUpdateParams {
+  option (cosmos.msg.v1.signer) = "authority";
+
+  // authority is the address that controls the module (defaults to x/gov unless overwritten).
+  string authority = 1;
+
+  // params defines the x/dlc parameters to be updated.
+  //
+  // NOTE: All parameters must be supplied.
+  Params params = 2 [(gogoproto.nullable) = false];
+}
+
+// MsgUpdateParamsResponse defines the Msg/UpdateParams response type.
+//
+// Since: cosmos-sdk 0.47
+message MsgUpdateParamsResponse {}

api/side/lending/tx_grpc.pb.go

@@ -0,0 +1,39 @@
+package keeper
+
+import (
+	"context"
+
+	errorsmod "cosmossdk.io/errors"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
+
+	"github.com/sideprotocol/side/x/lending/types"
+)
+
+type msgServer struct {
+	Keeper
+}
+
+// UpdateParams updates the module params.
+func (m msgServer) UpdateParams(goCtx context.Context, msg *types.MsgUpdateParams) (*types.MsgUpdateParamsResponse, error) {
+	if m.authority != msg.Authority {
+		return nil, errorsmod.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", m.authority, msg.Authority)
+	}
+
+	if err := msg.ValidateBasic(); err != nil {
+		return nil, err
+	}
+
+	ctx := sdk.UnwrapSDKContext(goCtx)
+	m.SetParams(ctx, msg.Params)
+
+	return &types.MsgUpdateParamsResponse{}, nil
+}
+
+// NewMsgServerImpl returns an implementation of the MsgServer interface
+// for the provided Keeper.
+func NewMsgServerImpl(keeper Keeper) types.MsgServer {
+	return &msgServer{Keeper: keeper}
+}
+
+var _ types.MsgServer = msgServer{}

proto/side/lending/tx.proto

@@ -18,10 +18,6 @@ import (
 	"github.com/sideprotocol/side/x/lending/types"
 )
 
-type msgServer struct {
-	Keeper
-}
-
 // CreateLoan implements types.MsgServer.
 func (m msgServer) Apply(goCtx context.Context, msg *types.MsgApply) (*types.MsgApplyResponse, error) {
 	if err := msg.ValidateBasic(); err != nil {
@@ -461,11 +457,3 @@ func (m msgServer) Close(goCtx context.Context, msg *types.MsgClose) (*types.Msg
 
 	return &types.MsgCloseResponse{}, nil
 }
-
-// NewMsgServerImpl returns an implementation of the MsgServer interface
-// for the provided Keeper.
-func NewMsgServerImpl(keeper Keeper) types.MsgServer {
-	return &msgServer{Keeper: keeper}
-}
-
-var _ types.MsgServer = msgServer{}

x/lending/keeper/msg_server.go

@@ -18,6 +18,8 @@ func RegisterCodec(cdc *codec.LegacyAmino) {
 	cdc.RegisterConcrete(&MsgClose{}, "lending/MsgClose", nil)
 	cdc.RegisterConcrete(&MsgSubmitRepaymentAdaptorSignature{}, "lending/MsgSubmitRepaymentAdaptorSignature", nil)
 	cdc.RegisterConcrete(&MsgSubmitLiquidationCetSignatures{}, "lending/MsgSubmitLiquidationCetSignatures", nil)
+	cdc.RegisterConcrete(&MsgUpdateParams{}, "lending/MsgUpdateParams", nil)
+
 	// this line is used by starport scaffolding # 2
 }
 
@@ -32,6 +34,7 @@ func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
 	registry.RegisterImplementations((*sdk.Msg)(nil), &MsgClose{})
 	registry.RegisterImplementations((*sdk.Msg)(nil), &MsgSubmitRepaymentAdaptorSignature{})
 	registry.RegisterImplementations((*sdk.Msg)(nil), &MsgSubmitLiquidationCetSignatures{})
+	registry.RegisterImplementations((*sdk.Msg)(nil), &MsgUpdateParams{})
 
 	// this line is used by starport scaffolding # 3
 

x/lending/keeper/msg_server_loan.go

@@ -0,0 +1,21 @@
+package types
+
+import (
+	errorsmod "cosmossdk.io/errors"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+var _ sdk.Msg = &MsgUpdateParams{}
+
+// ValidateBasic performs basic MsgUpdateParams message validation.
+func (m *MsgUpdateParams) ValidateBasic() error {
+	if _, err := sdk.AccAddressFromBech32(m.Authority); err != nil {
+		return errorsmod.Wrap(err, "invalid authority address")
+	}
+
+	if err := m.Params.Validate(); err != nil {
+		return err
+	}
+
+	return nil
+}