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auction.go
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auction.go
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package keeper
import (
"fmt"
sdkmath "cosmossdk.io/math"
storetypes "cosmossdk.io/store/types"
"cosmossdk.io/store/prefix"
"github.com/OmniFlix/omniflixhub/v5/x/marketplace/types"
sdk "github.com/cosmos/cosmos-sdk/types"
gogotypes "github.com/cosmos/gogoproto/types"
)
// GetNextAuctionNumber get the next auction number
func (k Keeper) GetNextAuctionNumber(ctx sdk.Context) uint64 {
var nextAuctionNumber uint64
store := ctx.KVStore(k.storeKey)
bz := store.Get(types.PrefixNextAuctionNumber)
if bz == nil {
panic(fmt.Errorf("%s module not initialized -- Should have been done in InitGenesis", types.ModuleName))
} else {
val := gogotypes.UInt64Value{}
err := k.cdc.Unmarshal(bz, &val)
if err != nil {
panic(err)
}
nextAuctionNumber = val.GetValue()
}
return nextAuctionNumber
}
// SetNextAuctionNumber set the next auction number
func (k Keeper) SetNextAuctionNumber(ctx sdk.Context, number uint64) {
store := ctx.KVStore(k.storeKey)
bz := k.cdc.MustMarshal(&gogotypes.UInt64Value{Value: number})
store.Set(types.PrefixNextAuctionNumber, bz)
}
// SetAuctionListing set a specific auction listing in the store
func (k Keeper) SetAuctionListing(ctx sdk.Context, auctionListing types.AuctionListing) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.PrefixAuctionId)
bz := k.cdc.MustMarshal(&auctionListing)
store.Set(types.KeyAuctionIdPrefix(auctionListing.Id), bz)
}
// GetAuctionListing returns a auction listing by its id
func (k Keeper) GetAuctionListing(ctx sdk.Context, id uint64) (val types.AuctionListing, found bool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.PrefixAuctionId)
b := store.Get(types.KeyAuctionIdPrefix(id))
if b == nil {
return val, false
}
k.cdc.MustUnmarshal(b, &val)
return val, true
}
// GetListing returns a listing from its nft id
func (k Keeper) GetAuctionListingIdByNftId(ctx sdk.Context, nftId string) (val uint64, found bool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.PrefixAuctionNFTID)
bz := store.Get(types.KeyAuctionNFTIDPrefix(nftId))
if bz == nil {
return val, false
}
var auctionId gogotypes.UInt64Value
k.cdc.MustUnmarshal(bz, &auctionId)
return auctionId.Value, true
}
// RemoveAuctionListing removes a auction listing from the store
func (k Keeper) RemoveAuctionListing(ctx sdk.Context, id uint64) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.PrefixAuctionId)
store.Delete(types.KeyAuctionIdPrefix(id))
}
// GetAllAuctionListings returns all auction listings
func (k Keeper) GetAllAuctionListings(ctx sdk.Context) (list []types.AuctionListing) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.PrefixAuctionId)
iterator := storetypes.KVStorePrefixIterator(store, []byte{})
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var val types.AuctionListing
k.cdc.MustUnmarshal(iterator.Value(), &val)
list = append(list, val)
}
return
}
// GetAuctionListingsByOwner returns all auction listings of specific owner
func (k Keeper) GetAuctionListingsByOwner(ctx sdk.Context, owner sdk.AccAddress) (auctionListings []types.AuctionListing) {
store := ctx.KVStore(k.storeKey)
iterator := storetypes.KVStorePrefixIterator(store, append(types.PrefixAuctionOwner, owner.Bytes()...))
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var id gogotypes.UInt64Value
k.cdc.MustUnmarshal(iterator.Value(), &id)
listing, found := k.GetAuctionListing(ctx, id.Value)
if !found {
continue
}
auctionListings = append(auctionListings, listing)
}
return
}
func (k Keeper) HasAuctionListing(ctx sdk.Context, id uint64) bool {
store := ctx.KVStore(k.storeKey)
return store.Has(types.KeyAuctionIdPrefix(id))
}
func (k Keeper) SetAuctionListingWithOwner(ctx sdk.Context, owner sdk.AccAddress, id uint64) {
store := ctx.KVStore(k.storeKey)
bz := k.cdc.MustMarshal(&gogotypes.UInt64Value{Value: id})
store.Set(types.KeyAuctionOwnerPrefix(owner, id), bz)
}
func (k Keeper) UnsetAuctionListingWithOwner(ctx sdk.Context, owner sdk.AccAddress, id uint64) {
store := ctx.KVStore(k.storeKey)
store.Delete(types.KeyAuctionOwnerPrefix(owner, id))
}
func (k Keeper) SetAuctionListingWithNFTID(ctx sdk.Context, nftId string, id uint64) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.PrefixAuctionNFTID)
bz := k.cdc.MustMarshal(&gogotypes.UInt64Value{Value: id})
store.Set(types.KeyAuctionNFTIDPrefix(nftId), bz)
}
func (k Keeper) UnsetAuctionListingWithNFTID(ctx sdk.Context, nftId string) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.PrefixAuctionNFTID)
store.Delete(types.KeyAuctionNFTIDPrefix(nftId))
}
func (k Keeper) SetAuctionListingWithPriceDenom(ctx sdk.Context, priceDenom string, id uint64) {
store := ctx.KVStore(k.storeKey)
bz := k.cdc.MustMarshal(&gogotypes.UInt64Value{Value: id})
store.Set(types.KeyAuctionPriceDenomPrefix(priceDenom, id), bz)
}
func (k Keeper) UnsetAuctionListingWithPriceDenom(ctx sdk.Context, priceDenom string, id uint64) {
store := ctx.KVStore(k.storeKey)
store.Delete(types.KeyAuctionPriceDenomPrefix(priceDenom, id))
}
func (k Keeper) SetInactiveAuction(ctx sdk.Context, auctionId uint64) {
store := ctx.KVStore(k.storeKey)
bz := k.cdc.MustMarshal(&gogotypes.UInt64Value{Value: auctionId})
store.Set(types.KeyInActiveAuctionPrefix(auctionId), bz)
}
func (k Keeper) UnsetInactiveAuction(ctx sdk.Context, auctionId uint64) {
store := ctx.KVStore(k.storeKey)
store.Delete(types.KeyInActiveAuctionPrefix(auctionId))
}
func (k Keeper) SetActiveAuction(ctx sdk.Context, auctionId uint64) {
store := ctx.KVStore(k.storeKey)
bz := k.cdc.MustMarshal(&gogotypes.UInt64Value{Value: auctionId})
store.Set(types.KeyActiveAuctionPrefix(auctionId), bz)
}
func (k Keeper) UnsetActiveAuction(ctx sdk.Context, auctionId uint64) {
store := ctx.KVStore(k.storeKey)
store.Delete(types.KeyActiveAuctionPrefix(auctionId))
}
func (k Keeper) IterateInactiveAuctions(ctx sdk.Context, fn func(index int, item types.AuctionListing) (stop bool)) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.PrefixInactiveAuction)
iter := storetypes.KVStorePrefixIterator(store, []byte{})
defer iter.Close()
for i := 0; iter.Valid(); iter.Next() {
var id gogotypes.UInt64Value
k.cdc.MustUnmarshal(iter.Value(), &id)
auction, _ := k.GetAuctionListing(ctx, id.Value)
if stop := fn(i, auction); stop {
break
}
i++
}
}
func (k Keeper) IterateActiveAuctions(ctx sdk.Context, fn func(index int, item types.AuctionListing) (stop bool)) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.PrefixActiveAuction)
iter := storetypes.KVStorePrefixIterator(store, []byte{})
defer iter.Close()
for i := 0; iter.Valid(); iter.Next() {
var id gogotypes.UInt64Value
k.cdc.MustUnmarshal(iter.Value(), &id)
auction, _ := k.GetAuctionListing(ctx, id.Value)
if stop := fn(i, auction); stop {
break
}
i++
}
}
// UpdateAuctionStatusesAndProcessBids update all auction listings status
func (k Keeper) UpdateAuctionStatusesAndProcessBids(ctx sdk.Context) error {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.PrefixAuctionId)
iterator := storetypes.KVStorePrefixIterator(store, []byte{})
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var auction types.AuctionListing
k.cdc.MustUnmarshal(iterator.Value(), &auction)
// if auction is active
if auction.StartTime.Before(ctx.BlockTime()) {
durationFromStartTime := ctx.BlockTime().Sub(auction.StartTime)
bidCloseDuration := k.GetBidCloseDuration(ctx)
bid, found := k.GetBid(ctx, auction.GetId())
// if auction has ended
if auction.EndTime != nil && auction.EndTime.Before(ctx.BlockTime()) ||
auction.EndTime == nil && durationFromStartTime > bidCloseDuration {
// process bid if found else return NFT to owner
if found {
err := k.processBid(ctx, auction, bid)
if err != nil {
return err
}
// emit events
k.processBidEvent(ctx, auction, bid)
k.RemoveAuctionListing(ctx, auction.GetId())
k.RemoveBid(ctx, auction.GetId())
} else {
err := k.returnNftToOwner(
ctx,
auction.GetDenomId(),
auction.GetNftId(),
k.accountKeeper.GetModuleAddress(types.ModuleName),
auction.GetOwner(),
)
if err != nil {
return err
}
// emit events
k.RemoveAuctionListing(ctx, auction.GetId())
k.removeAuctionEvent(ctx, auction)
}
}
}
}
return nil
}
func (k Keeper) processBid(ctx sdk.Context, auction types.AuctionListing, bid types.Bid) error {
owner, err := sdk.AccAddressFromBech32(auction.Owner)
if err != nil {
return err
}
denom, err := k.nftKeeper.GetDenomInfo(ctx, auction.DenomId)
if err != nil {
return err
}
nft, err := k.nftKeeper.GetONFT(ctx, auction.DenomId, auction.NftId)
if err != nil {
return err
}
BidAmountCoin := bid.Amount
auctionSaleAmountCoin := BidAmountCoin
moduleAccAddr := k.accountKeeper.GetModuleAddress(types.ModuleName)
err = k.nftKeeper.TransferOwnership(ctx, auction.GetDenomId(), auction.GetNftId(), moduleAccAddr, bid.GetBidder())
if err != nil {
return err
}
saleCommission := k.GetSaleCommission(ctx)
marketplaceCoin := k.GetProportions(bid.Amount, saleCommission)
if marketplaceCoin.Amount.GTE(sdkmath.OneInt()) {
err = k.DistributeCommission(ctx, marketplaceCoin)
if err != nil {
return err
}
auctionSaleAmountCoin = BidAmountCoin.Sub(marketplaceCoin)
}
if nft.GetRoyaltyShare().GT(sdkmath.LegacyZeroDec()) {
nftRoyaltyShareCoin := k.GetProportions(auctionSaleAmountCoin, nft.GetRoyaltyShare())
creator, err := sdk.AccAddressFromBech32(denom.Creator)
if err != nil {
return err
}
if err := k.TransferRoyalty(ctx, nftRoyaltyShareCoin, denom.RoyaltyReceivers, creator); err != nil {
return err
}
auctionSaleAmountCoin = auctionSaleAmountCoin.Sub(nftRoyaltyShareCoin)
}
remaining := auctionSaleAmountCoin
if len(auction.SplitShares) > 0 {
for _, share := range auction.SplitShares {
sharePortionCoin := k.GetProportions(auctionSaleAmountCoin, share.Weight)
sharePortionCoins := sdk.NewCoins(sharePortionCoin)
if share.Address == "" {
err = k.bankKeeper.SendCoins(ctx, moduleAccAddr, owner, sharePortionCoins)
if err != nil {
return err
}
} else {
saleSplitAddr, err := sdk.AccAddressFromBech32(share.Address)
if err != nil {
return err
}
err = k.bankKeeper.SendCoins(ctx, moduleAccAddr, saleSplitAddr, sharePortionCoins)
if err != nil {
return err
}
k.createSplitShareTransferEvent(ctx, moduleAccAddr, saleSplitAddr, sharePortionCoin)
}
remaining = remaining.Sub(sharePortionCoin)
}
err = k.bankKeeper.SendCoins(ctx, moduleAccAddr, owner, sdk.NewCoins(remaining))
if err != nil {
return err
}
} else {
err = k.bankKeeper.SendCoins(ctx, moduleAccAddr, owner, sdk.NewCoins(remaining))
if err != nil {
return err
}
}
return nil
}
func (k Keeper) returnNftToOwner(ctx sdk.Context, denomId, nftId string, moduleAddress, owner sdk.AccAddress) error {
err := k.nftKeeper.TransferOwnership(ctx, denomId, nftId, moduleAddress, owner)
if err != nil {
return err
}
return nil
}