api/cerc/auction/v1/query.pulsar.go

@@ -7169,7 +7169,7 @@ type QueryAuctionRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Auction ID
+	// Auction id
 	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
 }
 
@@ -7243,7 +7243,7 @@ type QueryBidRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Auction ID
+	// Auction id
 	AuctionId string `protobuf:"bytes,1,opt,name=auction_id,json=auctionId,proto3" json:"auction_id,omitempty"`
 	// Bidder address
 	Bidder string `protobuf:"bytes,2,opt,name=bidder,proto3" json:"bidder,omitempty"`
@@ -7326,7 +7326,7 @@ type QueryBidsRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Auction ID
+	// Auction id
 	AuctionId string `protobuf:"bytes,1,opt,name=auction_id,json=auctionId,proto3" json:"auction_id,omitempty"`
 }
 

api/cerc/auction/v1/tx.pulsar.go

@@ -3371,7 +3371,7 @@ type MsgCommitBid struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Auction ID
+	// Auction id
 	AuctionId string `protobuf:"bytes,1,opt,name=auction_id,json=auctionId,proto3" json:"auction_id,omitempty"`
 	// Commit Hash
 	CommitHash string `protobuf:"bytes,2,opt,name=commit_hash,json=commitHash,proto3" json:"commit_hash,omitempty"`
@@ -3463,7 +3463,7 @@ type MsgRevealBid struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Auction ID
+	// Auction id
 	AuctionId string `protobuf:"bytes,1,opt,name=auction_id,json=auctionId,proto3" json:"auction_id,omitempty"`
 	// Commit Hash
 	Reveal string `protobuf:"bytes,2,opt,name=reveal,proto3" json:"reveal,omitempty"`

app/app.go

@@ -76,8 +76,8 @@ type LaconicApp struct {
 	ConsensusParamsKeeper consensuskeeper.Keeper
 
 	// laconic keepers
-	AuctionKeeper  auctionkeeper.Keeper
+	AuctionKeeper  *auctionkeeper.Keeper // (Use * as per ProvideModule implementation)
-	BondKeeper     bondkeeper.Keeper
+	BondKeeper     *bondkeeper.Keeper
 	RegistryKeeper registrykeeper.Keeper
 	// RegistryRecordKeeper registrykeeper.RecordKeeper
 

go.mod

@@ -37,6 +37,7 @@ require (
 	github.com/ipld/go-ipld-prime v0.21.0
 	github.com/spf13/cobra v1.8.0
 	github.com/spf13/viper v1.17.0
+	golang.org/x/exp v0.0.0-20231006140011-7918f672742d
 	google.golang.org/genproto/googleapis/api v0.0.0-20231120223509-83a465c0220f
 	google.golang.org/grpc v1.60.1
 	google.golang.org/protobuf v1.32.0
@@ -169,7 +170,6 @@ require (
 	go.etcd.io/bbolt v1.3.8 // indirect
 	go.uber.org/multierr v1.10.0 // indirect
 	golang.org/x/crypto v0.16.0 // indirect
-	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
 	golang.org/x/net v0.19.0 // indirect
 	golang.org/x/sync v0.4.0 // indirect
 	golang.org/x/sys v0.15.0 // indirect

proto/cerc/auction/v1/query.proto

@@ -77,7 +77,7 @@ message QueryAuctionsResponse {
 
 // AuctionRequest is the format for querying a specific auction
 message QueryAuctionRequest {
-  // Auction ID
+  // Auction id
   string id = 1;
 }
 
@@ -89,7 +89,7 @@ message QueryAuctionResponse {
 
 // BidRequest is the format for querying a specific bid in an auction
 message QueryBidRequest {
-  // Auction ID
+  // Auction id
   string auction_id = 1;
   // Bidder address
   string bidder = 2;
@@ -103,7 +103,7 @@ message QueryBidResponse {
 
 // BidsRequest is the format for querying all bids in an auction
 message QueryBidsRequest {
-  // Auction ID
+  // Auction id
   string auction_id = 1;
 }
 

proto/cerc/auction/v1/tx.proto

@@ -85,7 +85,7 @@ message MsgCommitBid {
   option (gogoproto.goproto_getters) = false;
   option (cosmos.msg.v1.signer) = "signer";
 
-  // Auction ID
+  // Auction id
   string auction_id = 1 [(gogoproto.moretags) = "json:\"auction_id\" yaml:\"auction_id\""];
 
   // Commit Hash
@@ -109,7 +109,7 @@ message MsgRevealBid {
   option (gogoproto.goproto_getters) = false;
   option (cosmos.msg.v1.signer) = "signer";
 
-  // Auction ID
+  // Auction id
   string auction_id = 1 [(gogoproto.moretags) = "json:\"auction_id\" yaml:\"auction_id\""];
 
   // Commit Hash

proto/cerc/registry/v1/registry.proto

@@ -131,22 +131,6 @@ message Signature {
   string pub_key = 2 [(gogoproto.moretags) = "json:\"pub_key\" yaml:\"pub_key\""];
 }
 
-// BlockChangeSet
-message BlockChangeSet {
-  int64                   height       = 1;
-  repeated string         records      = 2;
-  repeated string         auctions     = 3;
-  repeated AuctionBidInfo auction_bids = 4 [(gogoproto.moretags) = "json:\"auction_bids\" yaml:\"auction_bids\""];
-  repeated string         authorities  = 5;
-  repeated string         names        = 6;
-}
-
-// AuctionBidInfo
-message AuctionBidInfo {
-  string auction_id     = 1 [(gogoproto.moretags) = "json:\"auction_id\" yaml:\"auction_id\""];
-  string bidder_address = 2 [(gogoproto.moretags) = "json:\"bidder_address\" yaml:\"bidder_address\""];
-}
-
 // ExpiryQueue: record / authority expiry queue type
 // id:    expiry time
 // value: array of ids (record cids / authority names)

scripts/init.sh

@@ -3,6 +3,7 @@
 rm -r ~/.laconic2d || true
 LACONIC2D_BIN=$(which laconic2d)
 # configure laconic2d
+$LACONIC2D_BIN config set config log_level "*:error,p2p:info,state:info,auction:info,bond:info,registry:info" --skip-validate
 $LACONIC2D_BIN config set client chain-id demo
 $LACONIC2D_BIN config set client keyring-backend test
 $LACONIC2D_BIN keys add alice

x/auction/events.go

@@ -11,7 +11,7 @@ const (
 	AttributeKeyRevealFee       = "reveal-fee"
 	AttributeKeyMinimumBid      = "minimum-bid"
 	AttributeKeySigner          = "signer"
-	AttributeKeyAuctionID       = "auction-id"
+	AttributeKeyAuctionId       = "auction-id"
 	AttributeKeyCommitHash      = "commit-hash"
 	AttributeKeyReveal          = "reveal"
 

x/auction/expected_keeper.go

@@ -0,0 +1,21 @@
+package auction
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+// AuctionUsageKeeper keep track of auction usage in other modules.
+// Used to, for example, prevent deletion of a auction that's in use.
+type AuctionUsageKeeper interface {
+	ModuleName() string
+	UsesAuction(ctx sdk.Context, auctionId string) bool
+
+	OnAuctionWinnerSelected(ctx sdk.Context, auctionId string)
+}
+
+// AuctionHooksWrapper is a wrapper for modules to inject AuctionUsageKeeper using depinject.
+// Reference: https://github.com/cosmos/cosmos-sdk/tree/v0.50.3/core/appmodule#resolving-circular-dependencies
+type AuctionHooksWrapper struct{ AuctionUsageKeeper }
+
+// IsOnePerModuleType implements the depinject.OnePerModuleType interface.
+func (AuctionHooksWrapper) IsOnePerModuleType() {}

x/auction/keeper/keeper.go

@@ -11,6 +11,7 @@ import (
 	"cosmossdk.io/collections/indexes"
 	storetypes "cosmossdk.io/core/store"
 	errorsmod "cosmossdk.io/errors"
+	"cosmossdk.io/log"
 
 	"github.com/cosmos/cosmos-sdk/codec"
 	sdk "github.com/cosmos/cosmos-sdk/types"
@@ -62,8 +63,6 @@ func newBidsIndexes(sb *collections.SchemaBuilder) BidsIndexes {
 	}
 }
 
-// TODO: Add required methods
-
 type Keeper struct {
 	// Codecs
 	cdc codec.BinaryCodec
@@ -73,7 +72,7 @@ type Keeper struct {
 	bankKeeper    bank.Keeper
 
 	// Track auction usage in other cosmos-sdk modules (more like a usage tracker).
-	// usageKeepers []types.AuctionUsageKeeper
+	usageKeepers []auctiontypes.AuctionUsageKeeper
 
 	// state management
 	Schema   collections.Schema
@@ -88,7 +87,7 @@ func NewKeeper(
 	storeService storetypes.KVStoreService,
 	accountKeeper auth.AccountKeeper,
 	bankKeeper bank.Keeper,
-) Keeper {
+) *Keeper {
 	sb := collections.NewSchemaBuilder(storeService)
 	k := Keeper{
 		cdc:           cdc,
@@ -97,7 +96,7 @@ func NewKeeper(
 		Params:        collections.NewItem(sb, auctiontypes.ParamsPrefix, "params", codec.CollValue[auctiontypes.Params](cdc)),
 		Auctions:      collections.NewIndexedMap(sb, auctiontypes.AuctionsPrefix, "auctions", collections.StringKey, codec.CollValue[auctiontypes.Auction](cdc), newAuctionIndexes(sb)),
 		Bids:          collections.NewIndexedMap(sb, auctiontypes.BidsPrefix, "bids", collections.PairKeyCodec(collections.StringKey, collections.StringKey), codec.CollValue[auctiontypes.Bid](cdc), newBidsIndexes(sb)),
-		// usageKeepers:  usageKeepers,
+		usageKeepers:  nil,
 	}
 
 	schema, err := sb.Build()
@@ -107,22 +106,29 @@ func NewKeeper(
 
 	k.Schema = schema
 
-	return k
+	return &k
 }
 
-// func (k *Keeper) SetUsageKeepers(usageKeepers []types.AuctionUsageKeeper) {
+// Logger returns a module-specific logger.
-// 	k.usageKeepers = usageKeepers
+func (k Keeper) Logger(ctx sdk.Context) log.Logger {
-// }
+	return logger(ctx)
+}
+
+func logger(ctx sdk.Context) log.Logger {
+	return ctx.Logger().With("module", auctiontypes.ModuleName)
+}
+
+func (k *Keeper) SetUsageKeepers(usageKeepers []auctiontypes.AuctionUsageKeeper) {
+	if k.usageKeepers != nil {
+		panic("cannot set auction hooks twice")
+	}
+
+	k.usageKeepers = usageKeepers
+}
 
 // SaveAuction - saves a auction to the store.
 func (k Keeper) SaveAuction(ctx sdk.Context, auction *auctiontypes.Auction) error {
 	return k.Auctions.Set(ctx, auction.Id, *auction)
-
-	// // Notify interested parties.
-	// for _, keeper := range k.usageKeepers {
-	// 	keeper.OnAuction(ctx, auction.Id)
-	// }
-	// return nil
 }
 
 // DeleteAuction - deletes the auction.
@@ -154,12 +160,6 @@ func (k Keeper) HasAuction(ctx sdk.Context, id string) (bool, error) {
 func (k Keeper) SaveBid(ctx sdk.Context, bid *auctiontypes.Bid) error {
 	key := collections.Join(bid.AuctionId, bid.BidderAddress)
 	return k.Bids.Set(ctx, key, *bid)
-
-	// // Notify interested parties.
-	// for _, keeper := range k.usageKeepers {
-	// 	keeper.OnAuctionBid(ctx, bid.AuctionId, bid.BidderAddress)
-	// }
-	// return nil
 }
 
 func (k Keeper) DeleteBid(ctx sdk.Context, bid auctiontypes.Bid) error {
@@ -191,7 +191,6 @@ func (k Keeper) GetBid(ctx sdk.Context, id string, bidder string) (auctiontypes.
 func (k Keeper) GetBids(ctx sdk.Context, id string) ([]*auctiontypes.Bid, error) {
 	var bids []*auctiontypes.Bid
 
-	// TODO: Optimize using return by value?
 	err := k.Bids.Walk(ctx, collections.NewPrefixedPairRange[string, string](id), func(key collections.Pair[string, string], value auctiontypes.Bid) (stop bool, err error) {
 		bids = append(bids, &value)
 		return false, nil
@@ -463,13 +462,13 @@ func (k Keeper) RevealBid(ctx sdk.Context, msg auctiontypes.MsgRevealBid) (*auct
 		return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "Reveal JSON unmarshal error.")
 	}
 
-	chainID, err := wnsUtils.GetAttributeAsString(reveal, "chainId")
+	chainId, err := wnsUtils.GetAttributeAsString(reveal, "chainId")
-	if err != nil || chainID != ctx.ChainID() {
+	if err != nil || chainId != ctx.ChainID() {
 		return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "Invalid reveal chainID.")
 	}
 
-	auctionID, err := wnsUtils.GetAttributeAsString(reveal, "auctionId")
+	auctionId, err := wnsUtils.GetAttributeAsString(reveal, "auctionId")
-	if err != nil || auctionID != msg.AuctionId {
+	if err != nil || auctionId != msg.AuctionId {
 		return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "Invalid reveal auction Id.")
 	}
 
@@ -557,7 +556,7 @@ func (k Keeper) processAuctionPhases(ctx sdk.Context) error {
 				return err
 			}
 
-			ctx.Logger().Info(fmt.Sprintf("Moved auction %s to reveal phase.", auction.Id))
+			k.Logger(ctx).Info(fmt.Sprintf("Moved auction %s to reveal phase.", auction.Id))
 		}
 
 		// Reveal -> Expired state.
@@ -567,7 +566,7 @@ func (k Keeper) processAuctionPhases(ctx sdk.Context) error {
 				return err
 			}
 
-			ctx.Logger().Info(fmt.Sprintf("Moved auction %s to expired state.", auction.Id))
+			k.Logger(ctx).Info(fmt.Sprintf("Moved auction %s to expired state.", auction.Id))
 		}
 
 		// If auction has expired, pick a winner from revealed bids.
@@ -592,7 +591,7 @@ func (k Keeper) deleteCompletedAuctions(ctx sdk.Context) error {
 	}
 
 	for _, auction := range auctions {
-		ctx.Logger().Info(fmt.Sprintf("Deleting completed auction %s after timeout.", auction.Id))
+		k.Logger(ctx).Info(fmt.Sprintf("Deleting completed auction %s after timeout.", auction.Id))
 		if err := k.DeleteAuction(ctx, *auction); err != nil {
 			return err
 		}
@@ -602,7 +601,7 @@ func (k Keeper) deleteCompletedAuctions(ctx sdk.Context) error {
 }
 
 func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction) error {
-	ctx.Logger().Info(fmt.Sprintf("Picking auction %s winner.", auction.Id))
+	k.Logger(ctx).Info(fmt.Sprintf("Picking auction %s winner.", auction.Id))
 
 	var highestBid *auctiontypes.Bid
 	var secondHighestBid *auctiontypes.Bid
@@ -613,38 +612,38 @@ func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction
 	}
 
 	for _, bid := range bids {
-		ctx.Logger().Info(fmt.Sprintf("Processing bid %s %s", bid.BidderAddress, bid.BidAmount.String()))
+		k.Logger(ctx).Info(fmt.Sprintf("Processing bid %s %s", bid.BidderAddress, bid.BidAmount.String()))
 
 		// Only consider revealed bids.
 		if bid.Status != auctiontypes.BidStatusRevealed {
-			ctx.Logger().Info(fmt.Sprintf("Ignoring unrevealed bid %s %s", bid.BidderAddress, bid.BidAmount.String()))
+			k.Logger(ctx).Info(fmt.Sprintf("Ignoring unrevealed bid %s %s", bid.BidderAddress, bid.BidAmount.String()))
 			continue
 		}
 
 		// Init highest bid.
 		if highestBid == nil {
 			highestBid = bid
-			ctx.Logger().Info(fmt.Sprintf("Initializing 1st bid %s %s", bid.BidderAddress, bid.BidAmount.String()))
+			k.Logger(ctx).Info(fmt.Sprintf("Initializing 1st bid %s %s", bid.BidderAddress, bid.BidAmount.String()))
 			continue
 		}
 
 		//nolint: all
 		if highestBid.BidAmount.IsLT(bid.BidAmount) {
-			ctx.Logger().Info(fmt.Sprintf("New highest bid %s %s", bid.BidderAddress, bid.BidAmount.String()))
+			k.Logger(ctx).Info(fmt.Sprintf("New highest bid %s %s", bid.BidderAddress, bid.BidAmount.String()))
 
 			secondHighestBid = highestBid
 			highestBid = bid
 
-			ctx.Logger().Info(fmt.Sprintf("Updated 1st bid %s %s", highestBid.BidderAddress, highestBid.BidAmount.String()))
+			k.Logger(ctx).Info(fmt.Sprintf("Updated 1st bid %s %s", highestBid.BidderAddress, highestBid.BidAmount.String()))
-			ctx.Logger().Info(fmt.Sprintf("Updated 2nd bid %s %s", secondHighestBid.BidderAddress, secondHighestBid.BidAmount.String()))
+			k.Logger(ctx).Info(fmt.Sprintf("Updated 2nd bid %s %s", secondHighestBid.BidderAddress, secondHighestBid.BidAmount.String()))
 
 		} else if secondHighestBid == nil || secondHighestBid.BidAmount.IsLT(bid.BidAmount) {
-			ctx.Logger().Info(fmt.Sprintf("New 2nd highest bid %s %s", bid.BidderAddress, bid.BidAmount.String()))
+			k.Logger(ctx).Info(fmt.Sprintf("New 2nd highest bid %s %s", bid.BidderAddress, bid.BidAmount.String()))
 
 			secondHighestBid = bid
-			ctx.Logger().Info(fmt.Sprintf("Updated 2nd bid %s %s", secondHighestBid.BidderAddress, secondHighestBid.BidAmount.String()))
+			k.Logger(ctx).Info(fmt.Sprintf("Updated 2nd bid %s %s", secondHighestBid.BidderAddress, secondHighestBid.BidAmount.String()))
 		} else {
-			ctx.Logger().Info(fmt.Sprintf("Ignoring bid as it doesn't affect 1st/2nd price %s %s", bid.BidderAddress, bid.BidAmount.String()))
+			k.Logger(ctx).Info(fmt.Sprintf("Ignoring bid as it doesn't affect 1st/2nd price %s %s", bid.BidderAddress, bid.BidAmount.String()))
 		}
 	}
 
@@ -660,11 +659,11 @@ func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction
 		if secondHighestBid != nil {
 			auction.WinningPrice = secondHighestBid.BidAmount
 		}
-		ctx.Logger().Info(fmt.Sprintf("Auction %s winner %s.", auction.Id, auction.WinnerAddress))
+		k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner %s.", auction.Id, auction.WinnerAddress))
-		ctx.Logger().Info(fmt.Sprintf("Auction %s winner bid %s.", auction.Id, auction.WinningBid.String()))
+		k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner bid %s.", auction.Id, auction.WinningBid.String()))
-		ctx.Logger().Info(fmt.Sprintf("Auction %s winner price %s.", auction.Id, auction.WinningPrice.String()))
+		k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner price %s.", auction.Id, auction.WinningPrice.String()))
 	} else {
-		ctx.Logger().Info(fmt.Sprintf("Auction %s has no valid revealed bids (no winner).", auction.Id))
+		k.Logger(ctx).Info(fmt.Sprintf("Auction %s has no valid revealed bids (no winner).", auction.Id))
 	}
 
 	if err := k.SaveAuction(ctx, auction); err != nil {
@@ -674,7 +673,7 @@ func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction
 	for _, bid := range bids {
 		bidderAddress, err := sdk.AccAddressFromBech32(bid.BidderAddress)
 		if err != nil {
-			ctx.Logger().Error(fmt.Sprintf("Invalid bidderAddress address. %v", err))
+			k.Logger(ctx).Error(fmt.Sprintf("Invalid bidderAddress address. %v", err))
 			panic("Invalid bidder address.")
 		}
 
@@ -682,7 +681,7 @@ func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction
 			// Send reveal fee back to bidders that've revealed the bid.
 			sdkErr := k.bankKeeper.SendCoinsFromModuleToAccount(ctx, auctiontypes.ModuleName, bidderAddress, sdk.NewCoins(bid.RevealFee))
 			if sdkErr != nil {
-				ctx.Logger().Error(fmt.Sprintf("Auction error returning reveal fee: %v", sdkErr))
+				k.Logger(ctx).Error(fmt.Sprintf("Auction error returning reveal fee: %v", sdkErr))
 				panic(sdkErr)
 			}
 		}
@@ -690,7 +689,7 @@ func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction
 		// Send back locked bid amount to all bidders.
 		sdkErr := k.bankKeeper.SendCoinsFromModuleToAccount(ctx, auctiontypes.ModuleName, bidderAddress, sdk.NewCoins(bid.BidAmount))
 		if sdkErr != nil {
-			ctx.Logger().Error(fmt.Sprintf("Auction error returning bid amount: %v", sdkErr))
+			k.Logger(ctx).Error(fmt.Sprintf("Auction error returning bid amount: %v", sdkErr))
 			panic(sdkErr)
 		}
 	}
@@ -699,39 +698,38 @@ func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction
 	if auction.WinnerAddress != "" {
 		winnerAddress, err := sdk.AccAddressFromBech32(auction.WinnerAddress)
 		if err != nil {
-			ctx.Logger().Error(fmt.Sprintf("Invalid winner address. %v", err))
+			k.Logger(ctx).Error(fmt.Sprintf("Invalid winner address. %v", err))
 			panic("Invalid winner address.")
 		}
 
 		// Take 2nd price from winner.
 		sdkErr := k.bankKeeper.SendCoinsFromAccountToModule(ctx, winnerAddress, auctiontypes.ModuleName, sdk.NewCoins(auction.WinningPrice))
 		if sdkErr != nil {
-			ctx.Logger().Error(fmt.Sprintf("Auction error taking funds from winner: %v", sdkErr))
+			k.Logger(ctx).Error(fmt.Sprintf("Auction error taking funds from winner: %v", sdkErr))
 			panic(sdkErr)
 		}
 
 		// Burn anything over the min. bid amount.
 		amountToBurn := auction.WinningPrice.Sub(auction.MinimumBid)
 		if amountToBurn.IsNegative() {
-			ctx.Logger().Error("Auction coins to burn cannot be negative.")
+			k.Logger(ctx).Error("Auction coins to burn cannot be negative.")
 			panic("Auction coins to burn cannot be negative.")
 		}
 
 		// Use auction burn module account instead of actually burning coins to better keep track of supply.
 		sdkErr = k.bankKeeper.SendCoinsFromModuleToModule(ctx, auctiontypes.ModuleName, auctiontypes.AuctionBurnModuleAccountName, sdk.NewCoins(amountToBurn))
 		if sdkErr != nil {
-			ctx.Logger().Error(fmt.Sprintf("Auction error burning coins: %v", sdkErr))
+			k.Logger(ctx).Error(fmt.Sprintf("Auction error burning coins: %v", sdkErr))
 			panic(sdkErr)
 		}
 	}
 
-	// TODO
 	// Notify other modules (hook).
-	// ctx.Logger().Info(fmt.Sprintf("Auction %s notifying %d modules.", auction.Id, len(k.usageKeepers)))
+	k.Logger(ctx).Info(fmt.Sprintf("Auction %s notifying %d modules.", auction.Id, len(k.usageKeepers)))
-	// for _, keeper := range k.usageKeepers {
+	for _, keeper := range k.usageKeepers {
-	// 	ctx.Logger().Info(fmt.Sprintf("Auction %s notifying module %s.", auction.Id, keeper.ModuleName()))
+		k.Logger(ctx).Info(fmt.Sprintf("Auction %s notifying module %s.", auction.Id, keeper.ModuleName()))
-	// 	keeper.OnAuctionWinnerSelected(ctx, auction.Id)
+		keeper.OnAuctionWinnerSelected(ctx, auction.Id)
-	// }
+	}
 
 	return nil
 }

x/auction/keeper/msg_server.go

@@ -10,11 +10,11 @@ import (
 var _ auctiontypes.MsgServer = msgServer{}
 
 type msgServer struct {
-	k Keeper
+	k *Keeper
 }
 
 // NewMsgServerImpl returns an implementation of the module MsgServer interface.
-func NewMsgServerImpl(keeper Keeper) auctiontypes.MsgServer {
+func NewMsgServerImpl(keeper *Keeper) auctiontypes.MsgServer {
 	return &msgServer{k: keeper}
 }
 
@@ -67,7 +67,7 @@ func (ms msgServer) CommitBid(c context.Context, msg *auctiontypes.MsgCommitBid)
 	ctx.EventManager().EmitEvents(sdk.Events{
 		sdk.NewEvent(
 			auctiontypes.EventTypeCommitBid,
-			sdk.NewAttribute(auctiontypes.AttributeKeyAuctionID, msg.AuctionId),
+			sdk.NewAttribute(auctiontypes.AttributeKeyAuctionId, msg.AuctionId),
 			sdk.NewAttribute(auctiontypes.AttributeKeyCommitHash, msg.CommitHash),
 		),
 		sdk.NewEvent(
@@ -98,7 +98,7 @@ func (ms msgServer) RevealBid(c context.Context, msg *auctiontypes.MsgRevealBid)
 	ctx.EventManager().EmitEvents(sdk.Events{
 		sdk.NewEvent(
 			auctiontypes.EventTypeRevealBid,
-			sdk.NewAttribute(auctiontypes.AttributeKeyAuctionID, msg.AuctionId),
+			sdk.NewAttribute(auctiontypes.AttributeKeyAuctionId, msg.AuctionId),
 			sdk.NewAttribute(auctiontypes.AttributeKeyReveal, msg.Reveal),
 		),
 		sdk.NewEvent(

x/auction/keeper/query_server.go

@@ -13,11 +13,11 @@ import (
 var _ auctiontypes.QueryServer = queryServer{}
 
 type queryServer struct {
-	k Keeper
+	k *Keeper
 }
 
 // NewQueryServerImpl returns an implementation of the module QueryServer.
-func NewQueryServerImpl(k Keeper) auctiontypes.QueryServer {
+func NewQueryServerImpl(k *Keeper) auctiontypes.QueryServer {
 	return queryServer{k}
 }
 

x/auction/module/abci.go

@@ -9,7 +9,7 @@ import (
 )
 
 // EndBlocker is called every block
-func EndBlocker(ctx context.Context, k keeper.Keeper) error {
+func EndBlocker(ctx context.Context, k *keeper.Keeper) error {
 	sdkCtx := sdk.UnwrapSDKContext(ctx)
 
 	return k.EndBlockerProcessAuctions(sdkCtx)

x/auction/module/depinject.go

@@ -4,12 +4,14 @@ import (
 	"cosmossdk.io/core/appmodule"
 	"cosmossdk.io/core/store"
 	"cosmossdk.io/depinject"
+	"golang.org/x/exp/maps"
 
 	"github.com/cosmos/cosmos-sdk/codec"
 	auth "github.com/cosmos/cosmos-sdk/x/auth/keeper"
 	bank "github.com/cosmos/cosmos-sdk/x/bank/keeper"
 
 	modulev1 "git.vdb.to/cerc-io/laconic2d/api/cerc/auction/module/v1"
+	"git.vdb.to/cerc-io/laconic2d/x/auction"
 	"git.vdb.to/cerc-io/laconic2d/x/auction/keeper"
 )
 
@@ -25,6 +27,7 @@ func init() {
 	appmodule.Register(
 		&modulev1.Module{},
 		appmodule.Provide(ProvideModule),
+		appmodule.Invoke(InvokeSetAuctionHooks),
 	)
 }
 
@@ -41,7 +44,11 @@ type ModuleInputs struct {
 type ModuleOutputs struct {
 	depinject.Out
 
-	Keeper keeper.Keeper
+	// Use * as required by InvokeSetAuctionHooks
+	// https://github.com/cosmos/cosmos-sdk/tree/v0.50.3/core/appmodule#invoker-invocation-details
+	// https://github.com/cosmos/cosmos-sdk/tree/v0.50.3/core/appmodule#regular-golang-types
+	Keeper *keeper.Keeper
+
 	Module appmodule.AppModule
 }
 
@@ -51,3 +58,25 @@ func ProvideModule(in ModuleInputs) ModuleOutputs {
 
 	return ModuleOutputs{Module: m, Keeper: k}
 }
+
+func InvokeSetAuctionHooks(
+	config *modulev1.Module,
+	keeper *keeper.Keeper,
+	auctionHooks map[string]auction.AuctionHooksWrapper,
+) error {
+	// all arguments to invokers are optional
+	if keeper == nil || config == nil {
+		return nil
+	}
+
+	var usageKeepers []auction.AuctionUsageKeeper
+
+	for _, modName := range maps.Keys(auctionHooks) {
+		hook := auctionHooks[modName]
+		usageKeepers = append(usageKeepers, hook)
+	}
+
+	keeper.SetUsageKeepers(usageKeepers)
+
+	return nil
+}

x/auction/module/module.go

@@ -20,8 +20,6 @@ import (
 	"git.vdb.to/cerc-io/laconic2d/x/auction/keeper"
 )
 
-// TODO: Port remaining AppModule methods
-
 var (
 	_ module.AppModuleBasic      = AppModule{}
 	_ appmodule.AppModule        = AppModule{}
@@ -36,11 +34,11 @@ const ConsensusVersion = 1
 
 type AppModule struct {
 	cdc    codec.Codec
-	keeper keeper.Keeper
+	keeper *keeper.Keeper
 }
 
 // NewAppModule creates a new AppModule object
-func NewAppModule(cdc codec.Codec, keeper keeper.Keeper) AppModule {
+func NewAppModule(cdc codec.Codec, keeper *keeper.Keeper) AppModule {
 	return AppModule{
 		cdc:    cdc,
 		keeper: keeper,

x/auction/msgs.go

@@ -25,9 +25,9 @@ func NewMsgCreateAuction(params Params, signer sdk.AccAddress) MsgCreateAuction
 }
 
 // NewMsgCommitBid is the constructor function for MsgCommitBid.
-func NewMsgCommitBid(auctionID string, commitHash string, signer sdk.AccAddress) MsgCommitBid {
+func NewMsgCommitBid(auctionId string, commitHash string, signer sdk.AccAddress) MsgCommitBid {
 	return MsgCommitBid{
-		AuctionId:  auctionID,
+		AuctionId:  auctionId,
 		CommitHash: commitHash,
 		Signer:     signer.String(),
 	}

x/auction/query.pb.go

@@ -217,7 +217,7 @@ func (m *QueryAuctionsResponse) GetPagination() *query.PageRequest {
 
 // AuctionRequest is the format for querying a specific auction
 type QueryAuctionRequest struct {
-	// Auction ID
+	// Auction id
 	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
 }
 
@@ -309,7 +309,7 @@ func (m *QueryAuctionResponse) GetAuction() *Auction {
 
 // BidRequest is the format for querying a specific bid in an auction
 type QueryBidRequest struct {
-	// Auction ID
+	// Auction id
 	AuctionId string `protobuf:"bytes,1,opt,name=auction_id,json=auctionId,proto3" json:"auction_id,omitempty"`
 	// Bidder address
 	Bidder string `protobuf:"bytes,2,opt,name=bidder,proto3" json:"bidder,omitempty"`
@@ -410,7 +410,7 @@ func (m *QueryBidResponse) GetBid() *Bid {
 
 // BidsRequest is the format for querying all bids in an auction
 type QueryBidsRequest struct {
-	// Auction ID
+	// Auction id
 	AuctionId string `protobuf:"bytes,1,opt,name=auction_id,json=auctionId,proto3" json:"auction_id,omitempty"`
 }
 

x/auction/tx.pb.go

@@ -125,7 +125,7 @@ var xxx_messageInfo_MsgCreateAuctionResponse proto.InternalMessageInfo
 
 // CommitBid defines the message to commit a bid
 type MsgCommitBid struct {
-	// Auction ID
+	// Auction id
 	AuctionId string `protobuf:"bytes,1,opt,name=auction_id,json=auctionId,proto3" json:"auction_id,omitempty" json:"auction_id" yaml:"auction_id"`
 	// Commit Hash
 	CommitHash string `protobuf:"bytes,2,opt,name=commit_hash,json=commitHash,proto3" json:"commit_hash,omitempty" json:"commit_hash" yaml:"commit_hash"`
@@ -207,7 +207,7 @@ var xxx_messageInfo_MsgCommitBidResponse proto.InternalMessageInfo
 
 // RevealBid defines the message to reveal a bid
 type MsgRevealBid struct {
-	// Auction ID
+	// Auction id
 	AuctionId string `protobuf:"bytes,1,opt,name=auction_id,json=auctionId,proto3" json:"auction_id,omitempty" json:"auction_id" yaml:"auction_id"`
 	// Commit Hash
 	Reveal string `protobuf:"bytes,2,opt,name=reveal,proto3" json:"reveal,omitempty" json:"reveal" yaml:"reveal"`

x/auction/types.go

@@ -29,14 +29,14 @@ const (
 	BidStatusRevealed  = "reveal"
 )
 
-// AuctionId simplifies generation of auction IDs.
+// AuctionId simplifies generation of auction ids.
 type AuctionId struct {
 	Address  sdk.Address
 	AccNum   uint64
 	Sequence uint64
 }
 
-// Generate creates the auction ID.
+// Generate creates the auction id.
 func (auctionId AuctionId) Generate() string {
 	hasher := sha256.New()
 	str := fmt.Sprintf("%s:%d:%d", auctionId.Address.String(), auctionId.AccNum, auctionId.Sequence)

x/bond/expected_keeper.go

@@ -0,0 +1,19 @@
+package bond
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+// BondUsageKeeper keep track of bond usage in other modules.
+// Used to, for example, prevent deletion of a bond that's in use.
+type BondUsageKeeper interface {
+	ModuleName() string
+	UsesBond(ctx sdk.Context, bondId string) bool
+}
+
+// BondHooksWrapper is a wrapper for modules to inject BondUsageKeeper using depinject.
+// Reference: https://github.com/cosmos/cosmos-sdk/tree/v0.50.3/core/appmodule#resolving-circular-dependencies
+type BondHooksWrapper struct{ BondUsageKeeper }
+
+// IsOnePerModuleType implements the depinject.OnePerModuleType interface.
+func (BondHooksWrapper) IsOnePerModuleType() {}

x/bond/keeper/keeper.go

@@ -49,7 +49,7 @@ type Keeper struct {
 	bankKeeper    bank.Keeper
 
 	// Track bond usage in other cosmos-sdk modules (more like a usage tracker).
-	// usageKeepers []types.BondUsageKeeper
+	usageKeepers []bondtypes.BondUsageKeeper
 
 	// State management
 	Schema collections.Schema
@@ -63,8 +63,7 @@ func NewKeeper(
 	storeService store.KVStoreService,
 	accountKeeper auth.AccountKeeper,
 	bankKeeper bank.Keeper,
-	// usageKeepers []types.BondUsageKeeper,
+) *Keeper {
-) Keeper {
 	sb := collections.NewSchemaBuilder(storeService)
 	k := Keeper{
 		cdc:           cdc,
@@ -72,7 +71,7 @@ func NewKeeper(
 		bankKeeper:    bankKeeper,
 		Params:        collections.NewItem(sb, bondtypes.ParamsPrefix, "params", codec.CollValue[bondtypes.Params](cdc)),
 		Bonds:         collections.NewIndexedMap(sb, bondtypes.BondsPrefix, "bonds", collections.StringKey, codec.CollValue[bondtypes.Bond](cdc), newBondIndexes(sb)),
-		// usageKeepers:  usageKeepers,
+		usageKeepers:  nil,
 	}
 
 	schema, err := sb.Build()
@@ -82,7 +81,15 @@ func NewKeeper(
 
 	k.Schema = schema
 
-	return k
+	return &k
+}
+
+func (k *Keeper) SetUsageKeepers(usageKeepers []bondtypes.BondUsageKeeper) {
+	if k.usageKeepers != nil {
+		panic("cannot set bond hooks twice")
+	}
+
+	k.usageKeepers = usageKeepers
 }
 
 // BondId simplifies generation of bond Ids.
@@ -318,13 +325,12 @@ func (k Keeper) CancelBond(ctx sdk.Context, id string, ownerAddress sdk.AccAddre
 		return nil, errorsmod.Wrap(sdkerrors.ErrUnauthorized, "Bond owner mismatch.")
 	}
 
-	// TODO
 	// Check if bond is used in other modules.
-	// for _, usageKeeper := range k.usageKeepers {
+	for _, usageKeeper := range k.usageKeepers {
-	// 	if usageKeeper.UsesBond(ctx, id) {
+		if usageKeeper.UsesBond(ctx, id) {
-	// 		return nil, errorsmod.Wrap(sdkerrors.ErrUnauthorized, fmt.Sprintf("Bond in use by the '%s' module.", usageKeeper.ModuleName()))
+			return nil, errorsmod.Wrap(sdkerrors.ErrUnauthorized, fmt.Sprintf("Bond in use by the '%s' module.", usageKeeper.ModuleName()))
-	// 	}
+		}
-	// }
+	}
 
 	// Move funds from the bond into the account.
 	err = k.bankKeeper.SendCoinsFromModuleToAccount(ctx, bondtypes.ModuleName, ownerAddress, bond.Balance)

x/bond/keeper/msg_server.go

@@ -11,11 +11,11 @@ import (
 var _ bond.MsgServer = msgServer{}
 
 type msgServer struct {
-	k Keeper
+	k *Keeper
 }
 
 // NewMsgServerImpl returns an implementation of the module MsgServer interface.
-func NewMsgServerImpl(keeper Keeper) bond.MsgServer {
+func NewMsgServerImpl(keeper *Keeper) bond.MsgServer {
 	return &msgServer{k: keeper}
 }
 

x/bond/keeper/query_server.go

@@ -13,11 +13,11 @@ import (
 var _ bondtypes.QueryServer = queryServer{}
 
 type queryServer struct {
-	k Keeper
+	k *Keeper
 }
 
 // NewQueryServerImpl returns an implementation of the module QueryServer.
-func NewQueryServerImpl(k Keeper) bondtypes.QueryServer {
+func NewQueryServerImpl(k *Keeper) bondtypes.QueryServer {
 	return queryServer{k}
 }
 

x/bond/module/depinject.go

@@ -4,12 +4,14 @@ import (
 	"cosmossdk.io/core/appmodule"
 	"cosmossdk.io/core/store"
 	"cosmossdk.io/depinject"
+	"golang.org/x/exp/maps"
 
 	"github.com/cosmos/cosmos-sdk/codec"
 	auth "github.com/cosmos/cosmos-sdk/x/auth/keeper"
 	bank "github.com/cosmos/cosmos-sdk/x/bank/keeper"
 
 	modulev1 "git.vdb.to/cerc-io/laconic2d/api/cerc/bond/module/v1"
+	"git.vdb.to/cerc-io/laconic2d/x/bond"
 	"git.vdb.to/cerc-io/laconic2d/x/bond/keeper"
 )
 
@@ -25,6 +27,7 @@ func init() {
 	appmodule.Register(
 		&modulev1.Module{},
 		appmodule.Provide(ProvideModule),
+		appmodule.Invoke(InvokeSetBondHooks),
 	)
 }
 
@@ -41,7 +44,7 @@ type ModuleInputs struct {
 type ModuleOutputs struct {
 	depinject.Out
 
-	Keeper keeper.Keeper
+	Keeper *keeper.Keeper
 	Module appmodule.AppModule
 }
 
@@ -51,3 +54,25 @@ func ProvideModule(in ModuleInputs) ModuleOutputs {
 
 	return ModuleOutputs{Module: m, Keeper: k}
 }
+
+func InvokeSetBondHooks(
+	config *modulev1.Module,
+	keeper *keeper.Keeper,
+	bondHooks map[string]bond.BondHooksWrapper,
+) error {
+	// all arguments to invokers are optional
+	if keeper == nil || config == nil {
+		return nil
+	}
+
+	var usageKeepers []bond.BondUsageKeeper
+
+	for _, modName := range maps.Keys(bondHooks) {
+		hook := bondHooks[modName]
+		usageKeepers = append(usageKeepers, hook)
+	}
+
+	keeper.SetUsageKeepers(usageKeepers)
+
+	return nil
+}

x/bond/module/module.go

@@ -18,8 +18,6 @@ import (
 	"git.vdb.to/cerc-io/laconic2d/x/bond/keeper"
 )
 
-// TODO: Port remaining AppModule methods
-
 var (
 	_ module.AppModuleBasic      = AppModule{}
 	_ appmodule.AppModule        = AppModule{}
@@ -33,11 +31,11 @@ const ConsensusVersion = 1
 
 type AppModule struct {
 	cdc    codec.Codec
-	keeper keeper.Keeper
+	keeper *keeper.Keeper
 }
 
 // NewAppModule creates a new AppModule object
-func NewAppModule(cdc codec.Codec, keeper keeper.Keeper) AppModule {
+func NewAppModule(cdc codec.Codec, keeper *keeper.Keeper) AppModule {
 	return AppModule{
 		cdc:    cdc,
 		keeper: keeper,

x/registry/keeper/genesis.go

@@ -43,12 +43,6 @@ func (k *Keeper) InitGenesis(ctx sdk.Context, data *registry.GenesisState) error
 			if err := k.insertAuthorityExpiryQueue(ctx, authority.Name, authority.Entry.ExpiryTime); err != nil {
 				return err
 			}
-
-			// TODO
-			// Note: Bond genesis runs first, so bonds will already be present.
-			// if authority.Entry.BondId != "" {
-			// 	k.AddBondToAuthorityIndexEntry(ctx, authority.Entry.BondId, authority.Name)
-			// }
 		}
 	}
 

x/registry/keeper/keeper.go

@@ -11,6 +11,7 @@ import (
 	"cosmossdk.io/collections/indexes"
 	storetypes "cosmossdk.io/core/store"
 	errorsmod "cosmossdk.io/errors"
+	"cosmossdk.io/log"
 	"github.com/cosmos/cosmos-sdk/codec"
 	"github.com/cosmos/cosmos-sdk/codec/legacy"
 	sdk "github.com/cosmos/cosmos-sdk/types"
@@ -28,8 +29,6 @@ import (
 	"git.vdb.to/cerc-io/laconic2d/x/registry/helpers"
 )
 
-// TODO: Add required methods
-
 type RecordsIndexes struct {
 	BondId *indexes.Multi[string, string, registrytypes.Record]
 }
@@ -50,16 +49,24 @@ func newRecordIndexes(sb *collections.SchemaBuilder) RecordsIndexes {
 	}
 }
 
-// TODO
 type AuthoritiesIndexes struct {
+	AuctionId *indexes.Multi[string, string, registrytypes.NameAuthority]
 }
 
-func (b AuthoritiesIndexes) IndexesList() []collections.Index[string, registrytypes.NameAuthority] {
+func (a AuthoritiesIndexes) IndexesList() []collections.Index[string, registrytypes.NameAuthority] {
-	return []collections.Index[string, registrytypes.NameAuthority]{}
+	return []collections.Index[string, registrytypes.NameAuthority]{a.AuctionId}
 }
 
 func newAuthorityIndexes(sb *collections.SchemaBuilder) AuthoritiesIndexes {
-	return AuthoritiesIndexes{}
+	return AuthoritiesIndexes{
+		AuctionId: indexes.NewMulti(
+			sb, registrytypes.AuthoritiesByAuctionIdIndexPrefix, "authorities_by_auction_id",
+			collections.StringKey, collections.StringKey,
+			func(name string, v registrytypes.NameAuthority) (string, error) {
+				return v.AuctionId, nil
+			},
+		),
+	}
 }
 
 type NameRecordsIndexes struct {
@@ -87,9 +94,8 @@ type Keeper struct {
 
 	accountKeeper auth.AccountKeeper
 	bankKeeper    bank.Keeper
-	recordKeeper  RecordKeeper
+	bondKeeper    *bondkeeper.Keeper
-	bondKeeper    bondkeeper.Keeper
+	auctionKeeper *auctionkeeper.Keeper
-	auctionKeeper auctionkeeper.Keeper
 
 	// state management
 	Schema               collections.Schema
@@ -107,16 +113,14 @@ func NewKeeper(
 	storeService storetypes.KVStoreService,
 	accountKeeper auth.AccountKeeper,
 	bankKeeper bank.Keeper,
-	recordKeeper RecordKeeper,
+	bondKeeper *bondkeeper.Keeper,
-	bondKeeper bondkeeper.Keeper,
+	auctionKeeper *auctionkeeper.Keeper,
-	auctionKeeper auctionkeeper.Keeper,
 ) Keeper {
 	sb := collections.NewSchemaBuilder(storeService)
 	k := Keeper{
 		cdc:           cdc,
 		accountKeeper: accountKeeper,
 		bankKeeper:    bankKeeper,
-		recordKeeper:  recordKeeper,
 		bondKeeper:    bondKeeper,
 		auctionKeeper: auctionKeeper,
 		Params:        collections.NewItem(sb, registrytypes.ParamsPrefix, "params", codec.CollValue[registrytypes.Params](cdc)),
@@ -155,6 +159,15 @@ func NewKeeper(
 	return k
 }
 
+// Logger returns a module-specific logger.
+func (k Keeper) Logger(ctx sdk.Context) log.Logger {
+	return logger(ctx)
+}
+
+func logger(ctx sdk.Context) log.Logger {
+	return ctx.Logger().With("module", registrytypes.ModuleName)
+}
+
 // HasRecord - checks if a record by the given id exists.
 func (k Keeper) HasRecord(ctx sdk.Context, id string) (bool, error) {
 	has, err := k.Records.Has(ctx, id)
@@ -230,9 +243,6 @@ func (k Keeper) RecordsFromAttributes(ctx sdk.Context, attributes []*registrytyp
 // PutRecord - saves a record to the store.
 func (k Keeper) SaveRecord(ctx sdk.Context, record registrytypes.Record) error {
 	return k.Records.Set(ctx, record.Id, record)
-
-	// TODO
-	// k.updateBlockChangeSetForRecord(ctx, record.Id)
 }
 
 // ProcessSetRecord creates a record.
@@ -274,7 +284,7 @@ func (k Keeper) SetRecord(ctx sdk.Context, msg registrytypes.MsgSetRecord) (*reg
 
 	// Sort owners list.
 	sort.Strings(record.Owners)
-	sdkErr := k.processRecord(ctx, &record, false)
+	sdkErr := k.processRecord(ctx, &record)
 	if sdkErr != nil {
 		return nil, sdkErr
 	}
@@ -282,7 +292,7 @@ func (k Keeper) SetRecord(ctx sdk.Context, msg registrytypes.MsgSetRecord) (*reg
 	return &record, nil
 }
 
-func (k Keeper) processRecord(ctx sdk.Context, record *registrytypes.ReadableRecord, isRenewal bool) error {
+func (k Keeper) processRecord(ctx sdk.Context, record *registrytypes.ReadableRecord) error {
 	params, err := k.GetParams(ctx)
 	if err != nil {
 		return err
@@ -420,7 +430,6 @@ func (k Keeper) GetModuleBalances(ctx sdk.Context) []*registrytypes.AccountBalan
 
 // ProcessRecordExpiryQueue tries to renew expiring records (by collecting rent) else marks them as deleted.
 func (k Keeper) ProcessRecordExpiryQueue(ctx sdk.Context) error {
-	// TODO: process expired records
 	cids, err := k.getAllExpiredRecords(ctx, ctx.BlockHeader().Time)
 	if err != nil {
 		return err

x/registry/keeper/naming_keeper.go

@@ -132,16 +132,7 @@ func (k Keeper) SaveNameRecord(ctx sdk.Context, crn string, id string) error {
 		Height: uint64(ctx.BlockHeight()),
 	}
 
-	// TODO: Check if index gets updated on entry updates
+	return k.NameRecords.Set(ctx, crn, nameRecord)
-	if err := k.NameRecords.Set(ctx, crn, nameRecord); err != nil {
-		return err
-	}
-
-	// TODO
-	// Update changeSet for name.
-	// k.updateBlockChangeSetForName(ctx, crn)
-
-	return nil
 }
 
 // SetName creates a CRN -> Record ID mapping.
@@ -169,9 +160,6 @@ func (k Keeper) SetName(ctx sdk.Context, msg registrytypes.MsgSetName) error {
 // SaveNameAuthority creates the NameAuthority record.
 func (k Keeper) SaveNameAuthority(ctx sdk.Context, name string, authority *registrytypes.NameAuthority) error {
 	return k.Authorities.Set(ctx, name, *authority)
-
-	// TODO
-	// updateBlockChangeSetForNameAuthority(ctx, codec, store, name)
 }
 
 // ReserveAuthority reserves a name authority.
@@ -282,12 +270,9 @@ func (k Keeper) createAuthority(ctx sdk.Context, name string, owner string, isRo
 		// If auctions are enabled, clear out owner fields. They will be set after a winner is picked.
 		authority.OwnerAddress = ""
 		authority.OwnerPublicKey = ""
+
 		// Reset bond ID if required.
-		if authority.BondId != "" || len(authority.BondId) != 0 {
-			// TODO
-			// k.RemoveBondToAuthorityIndexEntry(ctx, authority.BondId, name)
 		authority.BondId = ""
-		}
 
 		params := auctiontypes.Params{
 			CommitsDuration: moduleParams.AuthorityAuctionCommitsDuration,
@@ -305,10 +290,6 @@ func (k Keeper) createAuthority(ctx sdk.Context, name string, owner string, isRo
 			return sdkErr
 		}
 
-		// TODO
-		// Create auction ID -> authority name index.
-		// k.AddAuctionToAuthorityMapping(ctx, auction.Id, name)
-
 		authority.Status = registrytypes.AuthorityUnderAuction
 		authority.AuctionId = auction.Id
 		authority.ExpiryTime = auction.RevealsEndTime.Add(moduleParams.AuthorityGracePeriod)
@@ -362,22 +343,12 @@ func (k Keeper) SetAuthorityBond(ctx sdk.Context, msg registrytypes.MsgSetAuthor
 		return nil
 	}
 
-	// TODO
-	// Remove old bond ID mapping, if any.
-	// if authority.BondId != "" {
-	// 	k.RemoveBondToAuthorityIndexEntry(ctx, authority.BondId, name)
-	// }
-
 	// Update bond id and save name authority in store.
 	authority.BondId = bond.Id
 	if err = k.SaveNameAuthority(ctx, name, &authority); err != nil {
 		return err
 	}
 
-	// TODO
-	// Add new bond ID mapping.
-	// k.AddBondToAuthorityIndexEntry(ctx, authority.BondId, name)
-
 	return nil
 }
 
@@ -546,8 +517,7 @@ func (k Keeper) ProcessAuthorityExpiryQueue(ctx sdk.Context) error {
 				return err
 			}
 
-			// TODO: Setup logger
+			k.Logger(ctx).Info(fmt.Sprintf("Marking authority expired as no bond present: %s", name))
-			// k.Logger(ctx).Info(fmt.Sprintf("Marking authority expired as no bond present: %s", name))
 
 			return nil
 		}
@@ -620,7 +590,7 @@ func (k Keeper) deleteAuthorityExpiryQueue(ctx sdk.Context, name string, authori
 
 // tryTakeAuthorityRent tries to take rent from the authority bond.
 func (k Keeper) tryTakeAuthorityRent(ctx sdk.Context, name string, authority registrytypes.NameAuthority) error {
-	// k.Logger(ctx).Info(fmt.Sprintf("Trying to take rent for authority: %s", name))
+	k.Logger(ctx).Info(fmt.Sprintf("Trying to take rent for authority: %s", name))
 
 	params, err := k.GetParams(ctx)
 	if err != nil {
@@ -636,7 +606,8 @@ func (k Keeper) tryTakeAuthorityRent(ctx sdk.Context, name string, authority reg
 			return err
 		}
 
-		// k.Logger(ctx).Info(fmt.Sprintf("Insufficient funds in owner account to pay authority rent, marking as expired: %s", name))
+		k.Logger(ctx).Info(fmt.Sprintf("Insufficient funds in owner account to pay authority rent, marking as expired: %s", name))
+
 		return k.deleteAuthorityExpiryQueue(ctx, name, authority)
 	}
 
@@ -653,7 +624,8 @@ func (k Keeper) tryTakeAuthorityRent(ctx sdk.Context, name string, authority reg
 	// Save authority.
 	authority.Status = registrytypes.AuthorityActive
 
-	// k.Logger(ctx).Info(fmt.Sprintf("Authority rent paid successfully: %s", name))
+	k.Logger(ctx).Info(fmt.Sprintf("Authority rent paid successfully: %s", name))
+
 	return k.SaveNameAuthority(ctx, name, &authority)
 }
 

x/registry/keeper/record_keeper.go

@@ -1,24 +1,137 @@
 package keeper
 
 import (
+	"errors"
+	"fmt"
 	"time"
 
+	"cosmossdk.io/collections"
 	errorsmod "cosmossdk.io/errors"
 	"github.com/cosmos/cosmos-sdk/codec"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 
+	auctiontypes "git.vdb.to/cerc-io/laconic2d/x/auction"
 	auctionkeeper "git.vdb.to/cerc-io/laconic2d/x/auction/keeper"
+	bondtypes "git.vdb.to/cerc-io/laconic2d/x/bond"
 	registrytypes "git.vdb.to/cerc-io/laconic2d/x/registry"
 )
 
-// TODO: Add methods
+// Record keeper implements the bond usage keeper interface.
+var (
+	_ auctiontypes.AuctionUsageKeeper = RecordKeeper{}
+	_ bondtypes.BondUsageKeeper       = RecordKeeper{}
+)
 
 // RecordKeeper exposes the bare minimal read-only API for other modules.
 type RecordKeeper struct {
 	cdc           codec.BinaryCodec // The wire codec for binary encoding/decoding.
-	auctionKeeper auctionkeeper.Keeper
+	k             *Keeper
-	// storeKey      storetypes.StoreKey // Unexposed key to access store from sdk.Context
+	auctionKeeper *auctionkeeper.Keeper
+}
+
+// NewRecordKeeper creates new instances of the registry RecordKeeper
+func NewRecordKeeper(cdc codec.BinaryCodec, k *Keeper, auctionKeeper *auctionkeeper.Keeper) RecordKeeper {
+	return RecordKeeper{
+		cdc:           cdc,
+		k:             k,
+		auctionKeeper: auctionKeeper,
+	}
+}
+
+// ModuleName returns the module name.
+func (rk RecordKeeper) ModuleName() string {
+	return registrytypes.ModuleName
+}
+
+func (rk RecordKeeper) UsesAuction(ctx sdk.Context, auctionId string) bool {
+	iter, err := rk.k.Authorities.Indexes.AuctionId.MatchExact(ctx, auctionId)
+	if err != nil {
+		panic(err)
+	}
+
+	return iter.Valid()
+}
+
+func (rk RecordKeeper) OnAuctionWinnerSelected(ctx sdk.Context, auctionId string) {
+	// Update authority status based on auction status/winner.
+	iter, err := rk.k.Authorities.Indexes.AuctionId.MatchExact(ctx, auctionId)
+	if err != nil && !errors.Is(err, collections.ErrNotFound) {
+		panic(err)
+	}
+	names, err := iter.PrimaryKeys()
+	if err != nil {
+		panic(err)
+	}
+
+	if len(names) == 0 {
+		// We don't know about this auction, ignore.
+		logger(ctx).Info(fmt.Sprintf("Ignoring auction notification, name mapping not found: %s", auctionId))
+		return
+	}
+
+	// Take the first one as an auction (non-empty) will map to only one name
+	// MultiIndex being used as there can be multiple entries with empty auction id ("")
+	name := names[0]
+	if has, err := rk.k.HasNameAuthority(ctx, name); !has {
+		if err != nil {
+			panic(err)
+		}
+
+		// We don't know about this authority, ignore.
+		logger(ctx).Info(fmt.Sprintf("Ignoring auction notification, authority not found: %s", auctionId))
+		return
+	}
+
+	authority, err := rk.k.GetNameAuthority(ctx, name)
+	if err != nil {
+		panic(err)
+	}
+
+	auctionObj, err := rk.auctionKeeper.GetAuctionById(ctx, auctionId)
+	if err != nil {
+		panic(err)
+	}
+
+	if auctionObj.Status == auctiontypes.AuctionStatusCompleted {
+		if auctionObj.WinnerAddress != "" {
+			// Mark authority owner and change status to active.
+			authority.OwnerAddress = auctionObj.WinnerAddress
+			authority.Status = registrytypes.AuthorityActive
+
+			// Reset bond id if required, as owner has changed.
+			authority.BondId = ""
+
+			// Update height for updated/changed authority (owner).
+			// Can be used to check if names are older than the authority itself (stale names).
+			authority.Height = uint64(ctx.BlockHeight())
+
+			logger(ctx).Info(fmt.Sprintf("Winner selected, marking authority as active: %s", name))
+		} else {
+			// Mark as expired.
+			authority.Status = registrytypes.AuthorityExpired
+			logger(ctx).Info(fmt.Sprintf("No winner, marking authority as expired: %s", name))
+		}
+
+		// Forget about this auction now, we no longer need it.
+		authority.AuctionId = ""
+
+		if err = rk.k.SaveNameAuthority(ctx, name, &authority); err != nil {
+			panic(err)
+		}
+	} else {
+		logger(ctx).Info(fmt.Sprintf("Ignoring auction notification, status: %s", auctionObj.Status))
+	}
+}
+
+// UsesBond returns true if the bond has associated records.
+func (rk RecordKeeper) UsesBond(ctx sdk.Context, bondId string) bool {
+	iter, err := rk.k.Records.Indexes.BondId.MatchExact(ctx, bondId)
+	if err != nil {
+		panic(err)
+	}
+
+	return iter.Valid()
 }
 
 // RenewRecord renews a record.
@@ -46,7 +159,7 @@ func (k Keeper) RenewRecord(ctx sdk.Context, msg registrytypes.MsgRenewRecord) e
 	}
 
 	readableRecord := record.ToReadableRecord()
-	return k.processRecord(ctx, &readableRecord, true)
+	return k.processRecord(ctx, &readableRecord)
 }
 
 // AssociateBond associates a record with a bond.

x/registry/module/depinject.go

@@ -10,7 +10,9 @@ import (
 	bank "github.com/cosmos/cosmos-sdk/x/bank/keeper"
 
 	modulev1 "git.vdb.to/cerc-io/laconic2d/api/cerc/registry/module/v1"
+	"git.vdb.to/cerc-io/laconic2d/x/auction"
 	auctionkeeper "git.vdb.to/cerc-io/laconic2d/x/auction/keeper"
+	"git.vdb.to/cerc-io/laconic2d/x/bond"
 	bondkeeper "git.vdb.to/cerc-io/laconic2d/x/bond/keeper"
 	"git.vdb.to/cerc-io/laconic2d/x/registry/keeper"
 )
@@ -39,8 +41,8 @@ type ModuleInputs struct {
 	AccountKeeper auth.AccountKeeper
 	BankKeeper    bank.Keeper
 
-	BondKeeper    bondkeeper.Keeper
+	BondKeeper    *bondkeeper.Keeper
-	AuctionKeeper auctionkeeper.Keeper
+	AuctionKeeper *auctionkeeper.Keeper
 }
 
 type ModuleOutputs struct {
@@ -48,6 +50,9 @@ type ModuleOutputs struct {
 
 	Keeper keeper.Keeper
 	Module appmodule.AppModule
+
+	AuctionHooks auction.AuctionHooksWrapper
+	BondHooks    bond.BondHooksWrapper
 }
 
 func ProvideModule(in ModuleInputs) ModuleOutputs {
@@ -56,11 +61,16 @@ func ProvideModule(in ModuleInputs) ModuleOutputs {
 		in.StoreService,
 		in.AccountKeeper,
 		in.BankKeeper,
-		keeper.RecordKeeper{},
 		in.BondKeeper,
 		in.AuctionKeeper,
 	)
 	m := NewAppModule(in.Cdc, k)
 
-	return ModuleOutputs{Module: m, Keeper: k}
+	recordKeeper := keeper.NewRecordKeeper(in.Cdc, &k, in.AuctionKeeper)
+
+	return ModuleOutputs{
+		Module: m, Keeper: k,
+		AuctionHooks: auction.AuctionHooksWrapper{AuctionUsageKeeper: recordKeeper},
+		BondHooks:    bond.BondHooksWrapper{BondUsageKeeper: recordKeeper},
+	}
 }

x/registry/registry.pb.go

@@ -624,144 +624,6 @@ func (m *Signature) GetPubKey() string {
 	return ""
 }
 
-// BlockChangeSet
-type BlockChangeSet struct {
-	Height      int64             `protobuf:"varint,1,opt,name=height,proto3" json:"height,omitempty"`
-	Records     []string          `protobuf:"bytes,2,rep,name=records,proto3" json:"records,omitempty"`
-	Auctions    []string          `protobuf:"bytes,3,rep,name=auctions,proto3" json:"auctions,omitempty"`
-	AuctionBids []*AuctionBidInfo `protobuf:"bytes,4,rep,name=auction_bids,json=auctionBids,proto3" json:"auction_bids,omitempty" json:"auction_bids" yaml:"auction_bids"`
-	Authorities []string          `protobuf:"bytes,5,rep,name=authorities,proto3" json:"authorities,omitempty"`
-	Names       []string          `protobuf:"bytes,6,rep,name=names,proto3" json:"names,omitempty"`
-}
-
-func (m *BlockChangeSet) Reset()         { *m = BlockChangeSet{} }
-func (m *BlockChangeSet) String() string { return proto.CompactTextString(m) }
-func (*BlockChangeSet) ProtoMessage()    {}
-func (*BlockChangeSet) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d792f2373089b5b9, []int{8}
-}
-func (m *BlockChangeSet) XXX_Unmarshal(b []byte) error {
-	return m.Unmarshal(b)
-}
-func (m *BlockChangeSet) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	if deterministic {
-		return xxx_messageInfo_BlockChangeSet.Marshal(b, m, deterministic)
-	} else {
-		b = b[:cap(b)]
-		n, err := m.MarshalToSizedBuffer(b)
-		if err != nil {
-			return nil, err
-		}
-		return b[:n], nil
-	}
-}
-func (m *BlockChangeSet) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_BlockChangeSet.Merge(m, src)
-}
-func (m *BlockChangeSet) XXX_Size() int {
-	return m.Size()
-}
-func (m *BlockChangeSet) XXX_DiscardUnknown() {
-	xxx_messageInfo_BlockChangeSet.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_BlockChangeSet proto.InternalMessageInfo
-
-func (m *BlockChangeSet) GetHeight() int64 {
-	if m != nil {
-		return m.Height
-	}
-	return 0
-}
-
-func (m *BlockChangeSet) GetRecords() []string {
-	if m != nil {
-		return m.Records
-	}
-	return nil
-}
-
-func (m *BlockChangeSet) GetAuctions() []string {
-	if m != nil {
-		return m.Auctions
-	}
-	return nil
-}
-
-func (m *BlockChangeSet) GetAuctionBids() []*AuctionBidInfo {
-	if m != nil {
-		return m.AuctionBids
-	}
-	return nil
-}
-
-func (m *BlockChangeSet) GetAuthorities() []string {
-	if m != nil {
-		return m.Authorities
-	}
-	return nil
-}
-
-func (m *BlockChangeSet) GetNames() []string {
-	if m != nil {
-		return m.Names
-	}
-	return nil
-}
-
-// AuctionBidInfo
-type AuctionBidInfo struct {
-	AuctionId     string `protobuf:"bytes,1,opt,name=auction_id,json=auctionId,proto3" json:"auction_id,omitempty" json:"auction_id" yaml:"auction_id"`
-	BidderAddress string `protobuf:"bytes,2,opt,name=bidder_address,json=bidderAddress,proto3" json:"bidder_address,omitempty" json:"bidder_address" yaml:"bidder_address"`
-}
-
-func (m *AuctionBidInfo) Reset()         { *m = AuctionBidInfo{} }
-func (m *AuctionBidInfo) String() string { return proto.CompactTextString(m) }
-func (*AuctionBidInfo) ProtoMessage()    {}
-func (*AuctionBidInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d792f2373089b5b9, []int{9}
-}
-func (m *AuctionBidInfo) XXX_Unmarshal(b []byte) error {
-	return m.Unmarshal(b)
-}
-func (m *AuctionBidInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	if deterministic {
-		return xxx_messageInfo_AuctionBidInfo.Marshal(b, m, deterministic)
-	} else {
-		b = b[:cap(b)]
-		n, err := m.MarshalToSizedBuffer(b)
-		if err != nil {
-			return nil, err
-		}
-		return b[:n], nil
-	}
-}
-func (m *AuctionBidInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_AuctionBidInfo.Merge(m, src)
-}
-func (m *AuctionBidInfo) XXX_Size() int {
-	return m.Size()
-}
-func (m *AuctionBidInfo) XXX_DiscardUnknown() {
-	xxx_messageInfo_AuctionBidInfo.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_AuctionBidInfo proto.InternalMessageInfo
-
-func (m *AuctionBidInfo) GetAuctionId() string {
-	if m != nil {
-		return m.AuctionId
-	}
-	return ""
-}
-
-func (m *AuctionBidInfo) GetBidderAddress() string {
-	if m != nil {
-		return m.BidderAddress
-	}
-	return ""
-}
-
 // ExpiryQueue: record / authority expiry queue type
 // id:    expiry time
 // value: array of ids (record cids / authority names)
@@ -774,7 +636,7 @@ func (m *ExpiryQueue) Reset()         { *m = ExpiryQueue{} }
 func (m *ExpiryQueue) String() string { return proto.CompactTextString(m) }
 func (*ExpiryQueue) ProtoMessage()    {}
 func (*ExpiryQueue) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d792f2373089b5b9, []int{10}
+	return fileDescriptor_d792f2373089b5b9, []int{8}
 }
 func (m *ExpiryQueue) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -826,101 +688,90 @@ func init() {
 	proto.RegisterType((*NameRecord)(nil), "cerc.registry.v1.NameRecord")
 	proto.RegisterType((*NameRecordEntry)(nil), "cerc.registry.v1.NameRecordEntry")
 	proto.RegisterType((*Signature)(nil), "cerc.registry.v1.Signature")
-	proto.RegisterType((*BlockChangeSet)(nil), "cerc.registry.v1.BlockChangeSet")
-	proto.RegisterType((*AuctionBidInfo)(nil), "cerc.registry.v1.AuctionBidInfo")
 	proto.RegisterType((*ExpiryQueue)(nil), "cerc.registry.v1.ExpiryQueue")
 }
 
 func init() { proto.RegisterFile("cerc/registry/v1/registry.proto", fileDescriptor_d792f2373089b5b9) }
 
 var fileDescriptor_d792f2373089b5b9 = []byte{
-	// 1365 bytes of a gzipped FileDescriptorProto
+	// 1221 bytes of a gzipped FileDescriptorProto
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-	0xd6, 0x5c, 0xf8, 0xfd, 0xac, 0xb9, 0xf0, 0xe5, 0x4e, 0x97, 0xb2, 0xf6, 0xc0, 0xb5, 0xdb, 0x2c,
-	0x30, 0xf8, 0xf9, 0xdc, 0xa4, 0x81, 0xd1, 0xb3, 0x9c, 0xc0, 0xa7, 0xce, 0x2d, 0xd7, 0x78, 0x96,
-	0xfe, 0x83, 0xdb, 0x55, 0x31, 0x15, 0xf6, 0xfe, 0x09, 0x00, 0x00, 0xff, 0xff, 0xa4, 0x85, 0xe1,
-	0xaf, 0xa7, 0x0f, 0x00, 0x00,
 }
 
 func (m *Params) Marshal() (dAtA []byte, err error) {
@@ -1415,121 +1266,6 @@ func (m *Signature) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
-func (m *BlockChangeSet) Marshal() (dAtA []byte, err error) {
-	size := m.Size()
-	dAtA = make([]byte, size)
-	n, err := m.MarshalToSizedBuffer(dAtA[:size])
-	if err != nil {
-		return nil, err
-	}
-	return dAtA[:n], nil
-}
-
-func (m *BlockChangeSet) MarshalTo(dAtA []byte) (int, error) {
-	size := m.Size()
-	return m.MarshalToSizedBuffer(dAtA[:size])
-}
-
-func (m *BlockChangeSet) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if len(m.Names) > 0 {
-		for iNdEx := len(m.Names) - 1; iNdEx >= 0; iNdEx-- {
-			i -= len(m.Names[iNdEx])
-			copy(dAtA[i:], m.Names[iNdEx])
-			i = encodeVarintRegistry(dAtA, i, uint64(len(m.Names[iNdEx])))
-			i--
-			dAtA[i] = 0x32
-		}
-	}
-	if len(m.Authorities) > 0 {
-		for iNdEx := len(m.Authorities) - 1; iNdEx >= 0; iNdEx-- {
-			i -= len(m.Authorities[iNdEx])
-			copy(dAtA[i:], m.Authorities[iNdEx])
-			i = encodeVarintRegistry(dAtA, i, uint64(len(m.Authorities[iNdEx])))
-			i--
-			dAtA[i] = 0x2a
-		}
-	}
-	if len(m.AuctionBids) > 0 {
-		for iNdEx := len(m.AuctionBids) - 1; iNdEx >= 0; iNdEx-- {
-			{
-				size, err := m.AuctionBids[iNdEx].MarshalToSizedBuffer(dAtA[:i])
-				if err != nil {
-					return 0, err
-				}
-				i -= size
-				i = encodeVarintRegistry(dAtA, i, uint64(size))
-			}
-			i--
-			dAtA[i] = 0x22
-		}
-	}
-	if len(m.Auctions) > 0 {
-		for iNdEx := len(m.Auctions) - 1; iNdEx >= 0; iNdEx-- {
-			i -= len(m.Auctions[iNdEx])
-			copy(dAtA[i:], m.Auctions[iNdEx])
-			i = encodeVarintRegistry(dAtA, i, uint64(len(m.Auctions[iNdEx])))
-			i--
-			dAtA[i] = 0x1a
-		}
-	}
-	if len(m.Records) > 0 {
-		for iNdEx := len(m.Records) - 1; iNdEx >= 0; iNdEx-- {
-			i -= len(m.Records[iNdEx])
-			copy(dAtA[i:], m.Records[iNdEx])
-			i = encodeVarintRegistry(dAtA, i, uint64(len(m.Records[iNdEx])))
-			i--
-			dAtA[i] = 0x12
-		}
-	}
-	if m.Height != 0 {
-		i = encodeVarintRegistry(dAtA, i, uint64(m.Height))
-		i--
-		dAtA[i] = 0x8
-	}
-	return len(dAtA) - i, nil
-}
-
-func (m *AuctionBidInfo) Marshal() (dAtA []byte, err error) {
-	size := m.Size()
-	dAtA = make([]byte, size)
-	n, err := m.MarshalToSizedBuffer(dAtA[:size])
-	if err != nil {
-		return nil, err
-	}
-	return dAtA[:n], nil
-}
-
-func (m *AuctionBidInfo) MarshalTo(dAtA []byte) (int, error) {
-	size := m.Size()
-	return m.MarshalToSizedBuffer(dAtA[:size])
-}
-
-func (m *AuctionBidInfo) MarshalToSizedBuffer(dAtA []byte) (int, error) {
-	i := len(dAtA)
-	_ = i
-	var l int
-	_ = l
-	if len(m.BidderAddress) > 0 {
-		i -= len(m.BidderAddress)
-		copy(dAtA[i:], m.BidderAddress)
-		i = encodeVarintRegistry(dAtA, i, uint64(len(m.BidderAddress)))
-		i--
-		dAtA[i] = 0x12
-	}
-	if len(m.AuctionId) > 0 {
-		i -= len(m.AuctionId)
-		copy(dAtA[i:], m.AuctionId)
-		i = encodeVarintRegistry(dAtA, i, uint64(len(m.AuctionId)))
-		i--
-		dAtA[i] = 0xa
-	}
-	return len(dAtA) - i, nil
-}
-
 func (m *ExpiryQueue) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -1780,65 +1516,6 @@ func (m *Signature) Size() (n int) {
 	return n
 }
 
-func (m *BlockChangeSet) Size() (n int) {
-	if m == nil {
-		return 0
-	}
-	var l int
-	_ = l
-	if m.Height != 0 {
-		n += 1 + sovRegistry(uint64(m.Height))
-	}
-	if len(m.Records) > 0 {
-		for _, s := range m.Records {
-			l = len(s)
-			n += 1 + l + sovRegistry(uint64(l))
-		}
-	}
-	if len(m.Auctions) > 0 {
-		for _, s := range m.Auctions {
-			l = len(s)
-			n += 1 + l + sovRegistry(uint64(l))
-		}
-	}
-	if len(m.AuctionBids) > 0 {
-		for _, e := range m.AuctionBids {
-			l = e.Size()
-			n += 1 + l + sovRegistry(uint64(l))
-		}
-	}
-	if len(m.Authorities) > 0 {
-		for _, s := range m.Authorities {
-			l = len(s)
-			n += 1 + l + sovRegistry(uint64(l))
-		}
-	}
-	if len(m.Names) > 0 {
-		for _, s := range m.Names {
-			l = len(s)
-			n += 1 + l + sovRegistry(uint64(l))
-		}
-	}
-	return n
-}
-
-func (m *AuctionBidInfo) Size() (n int) {
-	if m == nil {
-		return 0
-	}
-	var l int
-	_ = l
-	l = len(m.AuctionId)
-	if l > 0 {
-		n += 1 + l + sovRegistry(uint64(l))
-	}
-	l = len(m.BidderAddress)
-	if l > 0 {
-		n += 1 + l + sovRegistry(uint64(l))
-	}
-	return n
-}
-
 func (m *ExpiryQueue) Size() (n int) {
 	if m == nil {
 		return 0
@@ -3425,351 +3102,6 @@ func (m *Signature) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
-func (m *BlockChangeSet) Unmarshal(dAtA []byte) error {
-	l := len(dAtA)
-	iNdEx := 0
-	for iNdEx < l {
-		preIndex := iNdEx
-		var wire uint64
-		for shift := uint(0); ; shift += 7 {
-			if shift >= 64 {
-				return ErrIntOverflowRegistry
-			}
-			if iNdEx >= l {
-				return io.ErrUnexpectedEOF
-			}
-			b := dAtA[iNdEx]
-			iNdEx++
-			wire |= uint64(b&0x7F) << shift
-			if b < 0x80 {
-				break
-			}
-		}
-		fieldNum := int32(wire >> 3)
-		wireType := int(wire & 0x7)
-		if wireType == 4 {
-			return fmt.Errorf("proto: BlockChangeSet: wiretype end group for non-group")
-		}
-		if fieldNum <= 0 {
-			return fmt.Errorf("proto: BlockChangeSet: illegal tag %d (wire type %d)", fieldNum, wire)
-		}
-		switch fieldNum {
-		case 1:
-			if wireType != 0 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Height", wireType)
-			}
-			m.Height = 0
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowRegistry
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				m.Height |= int64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-		case 2:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Records", wireType)
-			}
-			var stringLen uint64
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowRegistry
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				stringLen |= uint64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			intStringLen := int(stringLen)
-			if intStringLen < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			postIndex := iNdEx + intStringLen
-			if postIndex < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Records = append(m.Records, string(dAtA[iNdEx:postIndex]))
-			iNdEx = postIndex
-		case 3:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Auctions", wireType)
-			}
-			var stringLen uint64
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowRegistry
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				stringLen |= uint64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			intStringLen := int(stringLen)
-			if intStringLen < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			postIndex := iNdEx + intStringLen
-			if postIndex < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Auctions = append(m.Auctions, string(dAtA[iNdEx:postIndex]))
-			iNdEx = postIndex
-		case 4:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field AuctionBids", wireType)
-			}
-			var msglen int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowRegistry
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				msglen |= int(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			if msglen < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			postIndex := iNdEx + msglen
-			if postIndex < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.AuctionBids = append(m.AuctionBids, &AuctionBidInfo{})
-			if err := m.AuctionBids[len(m.AuctionBids)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
-		case 5:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Authorities", wireType)
-			}
-			var stringLen uint64
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowRegistry
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				stringLen |= uint64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			intStringLen := int(stringLen)
-			if intStringLen < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			postIndex := iNdEx + intStringLen
-			if postIndex < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Authorities = append(m.Authorities, string(dAtA[iNdEx:postIndex]))
-			iNdEx = postIndex
-		case 6:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Names", wireType)
-			}
-			var stringLen uint64
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowRegistry
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				stringLen |= uint64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			intStringLen := int(stringLen)
-			if intStringLen < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			postIndex := iNdEx + intStringLen
-			if postIndex < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.Names = append(m.Names, string(dAtA[iNdEx:postIndex]))
-			iNdEx = postIndex
-		default:
-			iNdEx = preIndex
-			skippy, err := skipRegistry(dAtA[iNdEx:])
-			if err != nil {
-				return err
-			}
-			if (skippy < 0) || (iNdEx+skippy) < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			if (iNdEx + skippy) > l {
-				return io.ErrUnexpectedEOF
-			}
-			iNdEx += skippy
-		}
-	}
-
-	if iNdEx > l {
-		return io.ErrUnexpectedEOF
-	}
-	return nil
-}
-func (m *AuctionBidInfo) Unmarshal(dAtA []byte) error {
-	l := len(dAtA)
-	iNdEx := 0
-	for iNdEx < l {
-		preIndex := iNdEx
-		var wire uint64
-		for shift := uint(0); ; shift += 7 {
-			if shift >= 64 {
-				return ErrIntOverflowRegistry
-			}
-			if iNdEx >= l {
-				return io.ErrUnexpectedEOF
-			}
-			b := dAtA[iNdEx]
-			iNdEx++
-			wire |= uint64(b&0x7F) << shift
-			if b < 0x80 {
-				break
-			}
-		}
-		fieldNum := int32(wire >> 3)
-		wireType := int(wire & 0x7)
-		if wireType == 4 {
-			return fmt.Errorf("proto: AuctionBidInfo: wiretype end group for non-group")
-		}
-		if fieldNum <= 0 {
-			return fmt.Errorf("proto: AuctionBidInfo: illegal tag %d (wire type %d)", fieldNum, wire)
-		}
-		switch fieldNum {
-		case 1:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field AuctionId", wireType)
-			}
-			var stringLen uint64
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowRegistry
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				stringLen |= uint64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			intStringLen := int(stringLen)
-			if intStringLen < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			postIndex := iNdEx + intStringLen
-			if postIndex < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.AuctionId = string(dAtA[iNdEx:postIndex])
-			iNdEx = postIndex
-		case 2:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field BidderAddress", wireType)
-			}
-			var stringLen uint64
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowRegistry
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				stringLen |= uint64(b&0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			intStringLen := int(stringLen)
-			if intStringLen < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			postIndex := iNdEx + intStringLen
-			if postIndex < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			m.BidderAddress = string(dAtA[iNdEx:postIndex])
-			iNdEx = postIndex
-		default:
-			iNdEx = preIndex
-			skippy, err := skipRegistry(dAtA[iNdEx:])
-			if err != nil {
-				return err
-			}
-			if (skippy < 0) || (iNdEx+skippy) < 0 {
-				return ErrInvalidLengthRegistry
-			}
-			if (iNdEx + skippy) > l {
-				return io.ErrUnexpectedEOF
-			}
-			iNdEx += skippy
-		}
-	}
-
-	if iNdEx > l {
-		return io.ErrUnexpectedEOF
-	}
-	return nil
-}
 func (m *ExpiryQueue) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0