mirror of
https://github.com/0glabs/0g-chain.git
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split keeper file up
This commit is contained in:
rhuairahrighairigh
parent
231aa75774
commit
5618e11990
297
x/auction/keeper/auctions.go
Normal file
297
x/auction/keeper/auctions.go
Normal file
@ -0,0 +1,297 @@
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package keeper
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import (
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/supply"
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"github.com/kava-labs/kava/x/auction/types"
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)
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// StartForwardAuction starts a normal auction.
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func (k Keeper) StartForwardAuction(ctx sdk.Context, seller string, lot sdk.Coin, bidDenom string) (types.ID, sdk.Error) {
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// create auction
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auction := types.NewForwardAuction(seller, lot, bidDenom, ctx.BlockTime().Add(types.DefaultMaxAuctionDuration))
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// take coins from module account
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err := k.supplyKeeper.SendCoinsFromModuleToModule(ctx, seller, types.ModuleName, sdk.NewCoins(lot))
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if err != nil {
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return 0, err
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}
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// store the auction
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auctionID, err := k.storeNewAuction(ctx, auction) // TODO does this need to be a pointer to satisfy the interface?
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if err != nil {
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return 0, err
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}
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return auctionID, nil
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}
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// StartReverseAuction starts an auction where sellers compete by offering decreasing prices.
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func (k Keeper) StartReverseAuction(ctx sdk.Context, buyer string, bid sdk.Coin, initialLot sdk.Coin) (types.ID, sdk.Error) {
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// create auction
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auction := types.NewReverseAuction(buyer, bid, initialLot, ctx.BlockTime().Add(types.DefaultMaxAuctionDuration))
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// This auction type mints coins at close. Need to check module account has minting privileges to avoid potential err in endblocker.
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macc := k.supplyKeeper.GetModuleAccount(ctx, buyer)
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if !macc.HasPermission(supply.Minter) { // TODO ideally don't want to import supply
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return 0, sdk.ErrInternal("module does not have minting permissions")
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}
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// store the auction
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auctionID, err := k.storeNewAuction(ctx, &auction)
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if err != nil {
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return 0, err
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}
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return auctionID, nil
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}
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// StartForwardReverseAuction starts an auction where bidders bid up to a maxBid, then switch to bidding down on price.
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func (k Keeper) StartForwardReverseAuction(ctx sdk.Context, seller string, lot sdk.Coin, maxBid sdk.Coin, otherPerson sdk.AccAddress) (types.ID, sdk.Error) {
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// create auction
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auction := types.NewForwardReverseAuction(seller, lot, ctx.BlockTime().Add(types.DefaultMaxAuctionDuration), maxBid, otherPerson)
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// take coins from module account
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err := k.supplyKeeper.SendCoinsFromModuleToModule(ctx, seller, types.ModuleName, sdk.Coins{lot})
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if err != nil {
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return 0, err
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}
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// store the auction
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auctionID, err := k.storeNewAuction(ctx, &auction)
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if err != nil {
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return 0, err
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}
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return auctionID, nil
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}
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// PlaceBid places a bid on any auction.
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func (k Keeper) PlaceBid(ctx sdk.Context, auctionID types.ID, bidder sdk.AccAddress, bid sdk.Coin, lot sdk.Coin) sdk.Error {
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// get auction from store
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auction, found := k.GetAuction(ctx, auctionID)
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if !found {
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return sdk.ErrInternal("auction doesn't exist")
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}
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// check end time
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if ctx.BlockTime().After(auction.GetEndTime()) {
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return sdk.ErrInternal("auction has closed")
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}
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var err sdk.Error
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var a types.Auction
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switch auc := auction.(type) {
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case types.ForwardAuction:
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a, err = k.PlaceBidForward(ctx, auc, bidder, bid)
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if err != nil {
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return err
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}
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case types.ReverseAuction:
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a, err = k.PlaceBidReverse(ctx, auc, bidder, lot)
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if err != nil {
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return err
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}
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case types.ForwardReverseAuction:
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a, err = k.PlaceBidForwardReverse(ctx, auc, bidder, bid, lot)
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if err != nil {
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return err
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}
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default:
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panic("unrecognized auction type")
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}
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// store updated auction
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k.SetAuction(ctx, a) // TODO maybe move into above funcs
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return nil
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}
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func (k Keeper) PlaceBidForward(ctx sdk.Context, a types.ForwardAuction, bidder sdk.AccAddress, bid sdk.Coin) (types.ForwardAuction, sdk.Error) {
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// Valid New Bid
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if bid.Denom != a.Bid.Denom {
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return a, sdk.ErrInternal("bid denom doesn't match auction")
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}
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if !a.Bid.IsLT(bid) { // TODO add minimum bid size
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return a, sdk.ErrInternal("bid not greater than last bid")
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}
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// Move Coins
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increment := bid.Sub(a.Bid)
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bidAmtToReturn := a.Bid
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if bidder.Equals(a.Bidder) { // catch edge case of someone updating their bid with a low balance
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bidAmtToReturn = sdk.NewInt64Coin(a.Bid.Denom, 0)
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}
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err := k.supplyKeeper.SendCoinsFromAccountToModule(ctx, bidder, types.ModuleName, sdk.NewCoins(bidAmtToReturn.Add(increment)))
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if err != nil {
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return a, err
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}
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err = k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, bidder, sdk.NewCoins(bidAmtToReturn))
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if err != nil {
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return a, err
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}
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err = k.supplyKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, a.Initiator, sdk.NewCoins(increment)) // increase in bid size is burned
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if err != nil {
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return a, err
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}
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err = k.supplyKeeper.BurnCoins(ctx, a.Initiator, sdk.NewCoins(increment))
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if err != nil {
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return a, err
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}
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// Update Auction
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a.Bidder = bidder
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a.Bid = bid
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// increment timeout
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a.EndTime = earliestTime(ctx.BlockTime().Add(types.DefaultMaxBidDuration), a.MaxEndTime) // TODO write a min func for time types
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return a, nil
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}
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func (k Keeper) PlaceBidForwardReverse(ctx sdk.Context, a types.ForwardReverseAuction, bidder sdk.AccAddress, bid sdk.Coin, lot sdk.Coin) (types.ForwardReverseAuction, sdk.Error) {
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// Validate New Bid // TODO min bid increments, make validation code less confusing
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if !a.Bid.IsEqual(a.MaxBid) {
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// Auction is in forward phase, a bid here can put the auction into forward or reverse phases
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if !a.Bid.IsLT(bid) {
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return a, sdk.ErrInternal("auction in forward phase, new bid not higher than last bid")
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}
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if a.MaxBid.IsLT(bid) {
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return a, sdk.ErrInternal("bid higher than max bid")
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}
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if lot.IsNegative() || a.Lot.IsLT(lot) {
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return a, sdk.ErrInternal("lot out of bounds")
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}
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if lot.IsLT(a.Lot) && !bid.IsEqual(a.MaxBid) {
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return a, sdk.ErrInternal("auction cannot enter reverse phase without bidding max bid")
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}
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} else {
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// Auction is in reverse phase, it can never leave reverse phase
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if !bid.IsEqual(a.MaxBid) {
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return a, sdk.ErrInternal("") // not necessary
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}
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if lot.IsNegative() {
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return a, sdk.ErrInternal("can't bid negative amount")
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}
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if !lot.IsLT(a.Lot) {
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return a, sdk.ErrInternal("auction in reverse phase, new bid not less than previous amount")
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}
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}
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// Move Coins
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bidIncrement := bid.Sub(a.Bid)
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bidAmtToReturn := a.Bid
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lotDecrement := a.Lot.Sub(lot)
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if bidder.Equals(a.Bidder) { // catch edge case of someone updating their bid with a low balance
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bidAmtToReturn = sdk.NewInt64Coin(a.Bid.Denom, 0)
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}
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err := k.supplyKeeper.SendCoinsFromAccountToModule(ctx, bidder, types.ModuleName, sdk.NewCoins(bidAmtToReturn.Add(bidIncrement)))
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if err != nil {
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return a, err
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}
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err = k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, bidder, sdk.NewCoins(bidAmtToReturn))
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if err != nil {
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return a, err
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}
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err = k.supplyKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, a.Initiator, sdk.NewCoins(bidIncrement))
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if err != nil {
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return a, err
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}
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err = k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, a.OtherPerson, sdk.NewCoins(lotDecrement))
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if err != nil {
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return a, err
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}
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// Update Auction
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a.Bidder = bidder
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a.Lot = lot
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a.Bid = bid
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// increment timeout
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a.EndTime = earliestTime(ctx.BlockTime().Add(types.DefaultMaxBidDuration), a.MaxEndTime)
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return types.ForwardReverseAuction{}, nil
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}
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func (k Keeper) PlaceBidReverse(ctx sdk.Context, a types.ReverseAuction, bidder sdk.AccAddress, lot sdk.Coin) (types.ReverseAuction, sdk.Error) {
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// Validate New Bid
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if lot.Denom != a.Lot.Denom {
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return a, sdk.ErrInternal("lot denom doesn't match auction")
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}
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if lot.IsNegative() {
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return a, sdk.ErrInternal("lot less than 0")
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}
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if !lot.IsLT(a.Lot) { // TODO add min bid decrements
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return a, sdk.ErrInternal("lot not smaller than last lot")
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}
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// Move Coins
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bidAmtToReturn := a.Bid
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if bidder.Equals(a.Bidder) { // catch edge case of someone updating their bid with a low balance
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bidAmtToReturn = sdk.NewInt64Coin(a.Bid.Denom, 0)
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}
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err := k.supplyKeeper.SendCoinsFromAccountToModule(ctx, bidder, types.ModuleName, sdk.NewCoins(bidAmtToReturn))
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if err != nil {
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return a, err
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}
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err = k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, bidder, sdk.NewCoins(bidAmtToReturn))
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if err != nil {
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return a, err
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}
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// Update Auction
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a.Bidder = bidder
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a.Lot = lot
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// increment timeout
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a.EndTime = earliestTime(ctx.BlockTime().Add(types.DefaultMaxBidDuration), a.MaxEndTime)
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return a, nil
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}
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// CloseAuction closes an auction and distributes funds to the highest bidder.
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func (k Keeper) CloseAuction(ctx sdk.Context, auctionID types.ID) sdk.Error {
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// get the auction from the store
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auction, found := k.GetAuction(ctx, auctionID)
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if !found {
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return sdk.ErrInternal("auction doesn't exist")
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}
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// error if auction has not reached the end time
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if ctx.BlockTime().Before(auction.GetEndTime()) {
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return sdk.ErrInternal(fmt.Sprintf("auction can't be closed as curent block time (%v) is under auction end time (%v)", ctx.BlockTime(), auction.GetEndTime()))
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}
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// payout to the last bidder
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var err sdk.Error
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switch auc := auction.(type) {
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case types.ForwardAuction, types.ForwardReverseAuction:
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err = k.PayoutAuctionLot(ctx, auc)
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if err != nil {
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return err
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}
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case types.ReverseAuction:
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err = k.MintAndPayoutAuctionLot(ctx, auc)
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if err != nil {
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return err
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}
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default:
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panic("unrecognized auction type")
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}
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// Delete auction from store (and queue)
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k.DeleteAuction(ctx, auctionID)
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return nil
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}
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func (k Keeper) MintAndPayoutAuctionLot(ctx sdk.Context, a types.ReverseAuction) sdk.Error {
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err := k.supplyKeeper.MintCoins(ctx, a.Initiator, sdk.NewCoins(a.Lot))
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if err != nil {
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return err
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}
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err = k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, a.Initiator, a.Bidder, sdk.NewCoins(a.Lot))
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if err != nil {
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return err
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}
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return nil
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}
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func (k Keeper) PayoutAuctionLot(ctx sdk.Context, a types.Auction) sdk.Error {
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// TODO this function is responsible for the addition of GetBidder and GetLot to auction interface. Could be split in to two funcs that operate on concrete auction types
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err := k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, a.GetBidder(), sdk.NewCoins(a.GetLot()))
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if err != nil {
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return err
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}
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return nil
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}
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@ -1,14 +1,9 @@
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package keeper
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import (
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"bytes"
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"fmt"
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"time"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/params/subspace"
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"github.com/cosmos/cosmos-sdk/x/supply"
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"github.com/kava-labs/kava/x/auction/types"
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)
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@ -30,469 +25,3 @@ func NewKeeper(cdc *codec.Codec, storeKey sdk.StoreKey, supplyKeeper types.Suppl
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paramSubspace: paramstore.WithKeyTable(types.ParamKeyTable()),
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}
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}
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// StartForwardAuction starts a normal auction. Known as flap in maker.
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func (k Keeper) StartForwardAuction(ctx sdk.Context, seller string, lot sdk.Coin, bidDenom string) (types.ID, sdk.Error) {
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// create auction
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auction := types.NewForwardAuction(seller, lot, bidDenom, ctx.BlockTime().Add(types.DefaultMaxAuctionDuration))
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// take coins from module account
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err := k.supplyKeeper.SendCoinsFromModuleToModule(ctx, seller, types.ModuleName, sdk.NewCoins(lot))
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if err != nil {
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return 0, err
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}
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// store the auction
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auctionID, err := k.storeNewAuction(ctx, auction) // TODO does this need to be a pointer to satisfy the interface?
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if err != nil {
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return 0, err
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}
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return auctionID, nil
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}
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// StartReverseAuction starts an auction where sellers compete by offering decreasing prices. Known as flop in maker.
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func (k Keeper) StartReverseAuction(ctx sdk.Context, buyer string, bid sdk.Coin, initialLot sdk.Coin) (types.ID, sdk.Error) {
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// create auction
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auction := types.NewReverseAuction(buyer, bid, initialLot, ctx.BlockTime().Add(types.DefaultMaxAuctionDuration))
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// This auction type mints coins at close. Need to check module account has minting privileges to avoid potential err in endblocker.
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macc := k.supplyKeeper.GetModuleAccount(ctx, buyer)
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if !macc.HasPermission(supply.Minter) { // TODO ideally don't want to import supply
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return 0, sdk.ErrInternal("module does not have minting permissions")
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}
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// store the auction
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auctionID, err := k.storeNewAuction(ctx, &auction)
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if err != nil {
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return 0, err
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}
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return auctionID, nil
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}
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// StartForwardReverseAuction starts an auction where bidders bid up to a maxBid, then switch to bidding down on price. Known as flip in maker.
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func (k Keeper) StartForwardReverseAuction(ctx sdk.Context, seller string, lot sdk.Coin, maxBid sdk.Coin, otherPerson sdk.AccAddress) (types.ID, sdk.Error) {
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// create auction
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auction := types.NewForwardReverseAuction(seller, lot, ctx.BlockTime().Add(types.DefaultMaxAuctionDuration), maxBid, otherPerson)
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// take coins from module account
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err := k.supplyKeeper.SendCoinsFromModuleToModule(ctx, seller, types.ModuleName, sdk.Coins{lot})
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if err != nil {
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return 0, err
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}
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// store the auction
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auctionID, err := k.storeNewAuction(ctx, &auction)
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if err != nil {
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return 0, err
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}
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return auctionID, nil
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}
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// set an auction in the store, adding a new ID, and setting indexes
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func (k Keeper) storeNewAuction(ctx sdk.Context, auction types.Auction) (types.ID, sdk.Error) {
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// get ID
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newAuctionID, err := k.getNextAuctionID(ctx)
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if err != nil {
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return 0, err
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}
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// set ID
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auction.SetID(newAuctionID)
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// store auction
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k.SetAuction(ctx, auction)
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k.incrementNextAuctionID(ctx)
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return newAuctionID, nil
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}
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// PlaceBid places a bid on any auction.
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func (k Keeper) PlaceBid(ctx sdk.Context, auctionID types.ID, bidder sdk.AccAddress, bid sdk.Coin, lot sdk.Coin) sdk.Error {
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// get auction from store
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auction, found := k.GetAuction(ctx, auctionID)
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if !found {
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return sdk.ErrInternal("auction doesn't exist")
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}
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// check end time
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if ctx.BlockTime().After(auction.GetEndTime()) {
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return sdk.ErrInternal("auction has closed")
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}
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var err sdk.Error
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var a types.Auction
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switch auc := auction.(type) {
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case types.ForwardAuction:
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a, err = k.PlaceBidForward(ctx, auc, bidder, bid)
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if err != nil {
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return err
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}
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case types.ReverseAuction:
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a, err = k.PlaceBidReverse(ctx, auc, bidder, lot)
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if err != nil {
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return err
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}
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case types.ForwardReverseAuction:
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a, err = k.PlaceBidForwardReverse(ctx, auc, bidder, bid, lot)
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if err != nil {
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return err
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}
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default:
|
||||
panic("unrecognized auction type")
|
||||
}
|
||||
|
||||
// store updated auction
|
||||
k.SetAuction(ctx, a) // TODO maybe move into above funcs
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (k Keeper) PlaceBidForward(ctx sdk.Context, a types.ForwardAuction, bidder sdk.AccAddress, bid sdk.Coin) (types.ForwardAuction, sdk.Error) {
|
||||
// Valid New Bid
|
||||
if bid.Denom != a.Bid.Denom {
|
||||
return a, sdk.ErrInternal("bid denom doesn't match auction")
|
||||
}
|
||||
if !a.Bid.IsLT(bid) { // TODO add minimum bid size
|
||||
return a, sdk.ErrInternal("bid not greater than last bid")
|
||||
}
|
||||
|
||||
// Move Coins
|
||||
increment := bid.Sub(a.Bid)
|
||||
bidAmtToReturn := a.Bid
|
||||
if bidder.Equals(a.Bidder) { // catch edge case of someone updating their bid with a low balance
|
||||
bidAmtToReturn = sdk.NewInt64Coin(a.Bid.Denom, 0)
|
||||
}
|
||||
err := k.supplyKeeper.SendCoinsFromAccountToModule(ctx, bidder, types.ModuleName, sdk.NewCoins(bidAmtToReturn.Add(increment)))
|
||||
if err != nil {
|
||||
return a, err
|
||||
}
|
||||
err = k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, bidder, sdk.NewCoins(bidAmtToReturn))
|
||||
if err != nil {
|
||||
return a, err
|
||||
}
|
||||
err = k.supplyKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, a.Initiator, sdk.NewCoins(increment)) // increase in bid size is burned
|
||||
if err != nil {
|
||||
return a, err
|
||||
}
|
||||
err = k.supplyKeeper.BurnCoins(ctx, a.Initiator, sdk.NewCoins(increment))
|
||||
if err != nil {
|
||||
return a, err
|
||||
}
|
||||
|
||||
// Update Auction
|
||||
a.Bidder = bidder
|
||||
a.Bid = bid
|
||||
// increment timeout
|
||||
a.EndTime = earliestTime(ctx.BlockTime().Add(types.DefaultMaxBidDuration), a.MaxEndTime) // TODO write a min func for time types
|
||||
|
||||
return a, nil
|
||||
}
|
||||
func (k Keeper) PlaceBidForwardReverse(ctx sdk.Context, a types.ForwardReverseAuction, bidder sdk.AccAddress, bid sdk.Coin, lot sdk.Coin) (types.ForwardReverseAuction, sdk.Error) {
|
||||
// Validate New Bid // TODO min bid increments, make validation code less confusing
|
||||
if !a.Bid.IsEqual(a.MaxBid) {
|
||||
// Auction is in forward phase, a bid here can put the auction into forward or reverse phases
|
||||
if !a.Bid.IsLT(bid) {
|
||||
return a, sdk.ErrInternal("auction in forward phase, new bid not higher than last bid")
|
||||
}
|
||||
if a.MaxBid.IsLT(bid) {
|
||||
return a, sdk.ErrInternal("bid higher than max bid")
|
||||
}
|
||||
if lot.IsNegative() || a.Lot.IsLT(lot) {
|
||||
return a, sdk.ErrInternal("lot out of bounds")
|
||||
}
|
||||
if lot.IsLT(a.Lot) && !bid.IsEqual(a.MaxBid) {
|
||||
return a, sdk.ErrInternal("auction cannot enter reverse phase without bidding max bid")
|
||||
}
|
||||
} else {
|
||||
// Auction is in reverse phase, it can never leave reverse phase
|
||||
if !bid.IsEqual(a.MaxBid) {
|
||||
return a, sdk.ErrInternal("") // not necessary
|
||||
}
|
||||
if lot.IsNegative() {
|
||||
return a, sdk.ErrInternal("can't bid negative amount")
|
||||
}
|
||||
if !lot.IsLT(a.Lot) {
|
||||
return a, sdk.ErrInternal("auction in reverse phase, new bid not less than previous amount")
|
||||
}
|
||||
}
|
||||
|
||||
// Move Coins
|
||||
bidIncrement := bid.Sub(a.Bid)
|
||||
bidAmtToReturn := a.Bid
|
||||
lotDecrement := a.Lot.Sub(lot)
|
||||
if bidder.Equals(a.Bidder) { // catch edge case of someone updating their bid with a low balance
|
||||
bidAmtToReturn = sdk.NewInt64Coin(a.Bid.Denom, 0)
|
||||
}
|
||||
err := k.supplyKeeper.SendCoinsFromAccountToModule(ctx, bidder, types.ModuleName, sdk.NewCoins(bidAmtToReturn.Add(bidIncrement)))
|
||||
if err != nil {
|
||||
return a, err
|
||||
}
|
||||
err = k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, bidder, sdk.NewCoins(bidAmtToReturn))
|
||||
if err != nil {
|
||||
return a, err
|
||||
}
|
||||
err = k.supplyKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, a.Initiator, sdk.NewCoins(bidIncrement))
|
||||
if err != nil {
|
||||
return a, err
|
||||
}
|
||||
err = k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, a.OtherPerson, sdk.NewCoins(lotDecrement))
|
||||
if err != nil {
|
||||
return a, err
|
||||
}
|
||||
|
||||
// Update Auction
|
||||
a.Bidder = bidder
|
||||
a.Lot = lot
|
||||
a.Bid = bid
|
||||
// increment timeout
|
||||
a.EndTime = earliestTime(ctx.BlockTime().Add(types.DefaultMaxBidDuration), a.MaxEndTime)
|
||||
|
||||
return types.ForwardReverseAuction{}, nil
|
||||
}
|
||||
func (k Keeper) PlaceBidReverse(ctx sdk.Context, a types.ReverseAuction, bidder sdk.AccAddress, lot sdk.Coin) (types.ReverseAuction, sdk.Error) {
|
||||
// Validate New Bid
|
||||
if lot.Denom != a.Lot.Denom {
|
||||
return a, sdk.ErrInternal("lot denom doesn't match auction")
|
||||
}
|
||||
if lot.IsNegative() {
|
||||
return a, sdk.ErrInternal("lot less than 0")
|
||||
}
|
||||
if !lot.IsLT(a.Lot) { // TODO add min bid decrements
|
||||
return a, sdk.ErrInternal("lot not smaller than last lot")
|
||||
}
|
||||
|
||||
// Move Coins
|
||||
bidAmtToReturn := a.Bid
|
||||
if bidder.Equals(a.Bidder) { // catch edge case of someone updating their bid with a low balance
|
||||
bidAmtToReturn = sdk.NewInt64Coin(a.Bid.Denom, 0)
|
||||
}
|
||||
err := k.supplyKeeper.SendCoinsFromAccountToModule(ctx, bidder, types.ModuleName, sdk.NewCoins(bidAmtToReturn))
|
||||
if err != nil {
|
||||
return a, err
|
||||
}
|
||||
err = k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, bidder, sdk.NewCoins(bidAmtToReturn))
|
||||
if err != nil {
|
||||
return a, err
|
||||
}
|
||||
|
||||
// Update Auction
|
||||
a.Bidder = bidder
|
||||
a.Lot = lot
|
||||
// increment timeout
|
||||
a.EndTime = earliestTime(ctx.BlockTime().Add(types.DefaultMaxBidDuration), a.MaxEndTime)
|
||||
|
||||
return a, nil
|
||||
}
|
||||
|
||||
// CloseAuction closes an auction and distributes funds to the highest bidder.
|
||||
func (k Keeper) CloseAuction(ctx sdk.Context, auctionID types.ID) sdk.Error {
|
||||
|
||||
// get the auction from the store
|
||||
auction, found := k.GetAuction(ctx, auctionID)
|
||||
if !found {
|
||||
return sdk.ErrInternal("auction doesn't exist")
|
||||
}
|
||||
// error if auction has not reached the end time
|
||||
if ctx.BlockTime().Before(auction.GetEndTime()) {
|
||||
return sdk.ErrInternal(fmt.Sprintf("auction can't be closed as curent block time (%v) is under auction end time (%v)", ctx.BlockTime(), auction.GetEndTime()))
|
||||
}
|
||||
|
||||
// payout to the last bidder
|
||||
var err sdk.Error
|
||||
switch auc := auction.(type) {
|
||||
case types.ForwardAuction, types.ForwardReverseAuction:
|
||||
err = k.PayoutAuctionLot(ctx, auc)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
case types.ReverseAuction:
|
||||
err = k.MintAndPayoutAuctionLot(ctx, auc)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
default:
|
||||
panic("unrecognized auction type")
|
||||
}
|
||||
|
||||
// Delete auction from store (and queue)
|
||||
k.DeleteAuction(ctx, auctionID)
|
||||
|
||||
return nil
|
||||
}
|
||||
func (k Keeper) MintAndPayoutAuctionLot(ctx sdk.Context, a types.ReverseAuction) sdk.Error {
|
||||
err := k.supplyKeeper.MintCoins(ctx, a.Initiator, sdk.NewCoins(a.Lot))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
err = k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, a.Initiator, a.Bidder, sdk.NewCoins(a.Lot))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
func (k Keeper) PayoutAuctionLot(ctx sdk.Context, a types.Auction) sdk.Error {
|
||||
err := k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, a.GetBidder(), sdk.NewCoins(a.GetLot()))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// ---------- Store methods ----------
|
||||
// Use these to add and remove auction from the store.
|
||||
|
||||
// getNextAuctionID gets the next available global AuctionID
|
||||
func (k Keeper) getNextAuctionID(ctx sdk.Context) (types.ID, sdk.Error) {
|
||||
// get next ID from store
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
bz := store.Get(k.getNextAuctionIDKey())
|
||||
if bz == nil {
|
||||
// if not found, set the id at 0
|
||||
bz = k.cdc.MustMarshalBinaryLengthPrefixed(types.ID(0))
|
||||
store.Set(k.getNextAuctionIDKey(), bz)
|
||||
// TODO Set auction ID in genesis
|
||||
//return 0, ErrInvalidGenesis(keeper.codespace, "InitialProposalID never set")
|
||||
}
|
||||
var auctionID types.ID
|
||||
k.cdc.MustUnmarshalBinaryLengthPrefixed(bz, &auctionID)
|
||||
return auctionID, nil
|
||||
}
|
||||
|
||||
// incrementNextAuctionID increments the global ID in the store by 1
|
||||
func (k Keeper) incrementNextAuctionID(ctx sdk.Context) sdk.Error {
|
||||
// get next ID from store
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
bz := store.Get(k.getNextAuctionIDKey())
|
||||
if bz == nil {
|
||||
panic("initial auctionID never set in genesis")
|
||||
//return 0, ErrInvalidGenesis(keeper.codespace, "InitialProposalID never set") // TODO
|
||||
}
|
||||
var auctionID types.ID
|
||||
k.cdc.MustUnmarshalBinaryLengthPrefixed(bz, &auctionID)
|
||||
|
||||
// increment the stored next ID
|
||||
bz = k.cdc.MustMarshalBinaryLengthPrefixed(auctionID + 1)
|
||||
store.Set(k.getNextAuctionIDKey(), bz)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// SetAuction puts the auction into the database and adds it to the queue
|
||||
// it overwrites any pre-existing auction with same ID
|
||||
func (k Keeper) SetAuction(ctx sdk.Context, auction types.Auction) {
|
||||
// remove the auction from the queue if it is already in there
|
||||
existingAuction, found := k.GetAuction(ctx, auction.GetID())
|
||||
if found {
|
||||
k.removeFromQueue(ctx, existingAuction.GetEndTime(), existingAuction.GetID())
|
||||
}
|
||||
|
||||
// store auction
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
bz := k.cdc.MustMarshalBinaryLengthPrefixed(auction)
|
||||
store.Set(k.getAuctionKey(auction.GetID()), bz)
|
||||
|
||||
// add to the queue
|
||||
k.InsertIntoQueue(ctx, auction.GetEndTime(), auction.GetID())
|
||||
}
|
||||
|
||||
// getAuction gets an auction from the store by auctionID
|
||||
func (k Keeper) GetAuction(ctx sdk.Context, auctionID types.ID) (types.Auction, bool) {
|
||||
var auction types.Auction
|
||||
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
bz := store.Get(k.getAuctionKey(auctionID))
|
||||
if bz == nil {
|
||||
return auction, false
|
||||
}
|
||||
|
||||
k.cdc.MustUnmarshalBinaryLengthPrefixed(bz, &auction)
|
||||
return auction, true
|
||||
}
|
||||
|
||||
// DeleteAuction removes an auction from the store without any validation
|
||||
func (k Keeper) DeleteAuction(ctx sdk.Context, auctionID types.ID) {
|
||||
// remove from queue
|
||||
auction, found := k.GetAuction(ctx, auctionID)
|
||||
if found {
|
||||
k.removeFromQueue(ctx, auction.GetEndTime(), auctionID)
|
||||
}
|
||||
|
||||
// delete auction
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
store.Delete(k.getAuctionKey(auctionID))
|
||||
}
|
||||
|
||||
// ---------- Queue and key methods ----------
|
||||
// These are lower level function used by the store methods above.
|
||||
|
||||
func (k Keeper) getNextAuctionIDKey() []byte {
|
||||
return []byte("nextAuctionID")
|
||||
}
|
||||
func (k Keeper) getAuctionKey(auctionID types.ID) []byte {
|
||||
return []byte(fmt.Sprintf("auctions:%d", auctionID))
|
||||
}
|
||||
|
||||
// Inserts a AuctionID into the queue at endTime
|
||||
func (k Keeper) InsertIntoQueue(ctx sdk.Context, endTime time.Time, auctionID types.ID) {
|
||||
// get the store
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
// marshal thing to be inserted
|
||||
bz := k.cdc.MustMarshalBinaryLengthPrefixed(auctionID)
|
||||
// store it
|
||||
store.Set(
|
||||
getQueueElementKey(endTime, auctionID),
|
||||
bz,
|
||||
)
|
||||
}
|
||||
|
||||
// removes an auctionID from the queue
|
||||
func (k Keeper) removeFromQueue(ctx sdk.Context, endTime time.Time, auctionID types.ID) {
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
store.Delete(getQueueElementKey(endTime, auctionID))
|
||||
}
|
||||
|
||||
// Returns an iterator for all the auctions in the queue that expire by endTime
|
||||
func (k Keeper) GetQueueIterator(ctx sdk.Context, endTime time.Time) sdk.Iterator { // TODO rename to "getAuctionsByExpiry" ?
|
||||
// get store
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
// get an interator
|
||||
return store.Iterator(
|
||||
queueKeyPrefix, // start key
|
||||
sdk.PrefixEndBytes(getQueueElementKeyPrefix(endTime)), // end key (apparently exclusive but tests suggested otherwise)
|
||||
)
|
||||
}
|
||||
|
||||
// GetAuctionIterator returns an iterator over all auctions in the store
|
||||
func (k Keeper) GetAuctionIterator(ctx sdk.Context) sdk.Iterator {
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
return sdk.KVStorePrefixIterator(store, nil)
|
||||
}
|
||||
|
||||
var queueKeyPrefix = []byte("queue")
|
||||
var keyDelimiter = []byte(":")
|
||||
|
||||
// Returns half a key for an auctionID in the queue, it missed the id off the end
|
||||
func getQueueElementKeyPrefix(endTime time.Time) []byte {
|
||||
return bytes.Join([][]byte{
|
||||
queueKeyPrefix,
|
||||
sdk.Uint64ToBigEndian(uint64(endTime)), // TODO check this gives correct ordering
|
||||
}, keyDelimiter)
|
||||
}
|
||||
|
||||
// Returns the key for an auctionID in the queue
|
||||
func getQueueElementKey(endTime time.Time, auctionID types.ID) []byte {
|
||||
return bytes.Join([][]byte{
|
||||
queueKeyPrefix,
|
||||
sdk.Uint64ToBigEndian(uint64(endTime)), // TODO check this gives correct ordering
|
||||
sdk.Uint64ToBigEndian(uint64(auctionID)),
|
||||
}, keyDelimiter)
|
||||
}
|
||||
|
||||
// GetAuctionID returns the id from an input Auction
|
||||
func (k Keeper) DecodeAuctionID(ctx sdk.Context, idBytes []byte) types.ID {
|
||||
var auctionID types.ID
|
||||
k.cdc.MustUnmarshalBinaryLengthPrefixed(idBytes, &auctionID)
|
||||
return auctionID
|
||||
}
|
||||
|
||||
func (k Keeper) DecodeAuction(ctx sdk.Context, auctionBytes []byte) types.Auction {
|
||||
var auction types.Auction
|
||||
k.cdc.MustUnmarshalBinaryBare(auctionBytes, &auction)
|
||||
return auction
|
||||
}
|
||||
|
||||
187
x/auction/keeper/store.go
Normal file
187
x/auction/keeper/store.go
Normal file
@ -0,0 +1,187 @@
|
||||
package keeper
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
sdk "github.com/cosmos/cosmos-sdk/types"
|
||||
|
||||
"github.com/kava-labs/kava/x/auction/types"
|
||||
)
|
||||
|
||||
// set an auction in the store, adding a new ID, and setting indexes
|
||||
func (k Keeper) storeNewAuction(ctx sdk.Context, auction types.Auction) (types.ID, sdk.Error) {
|
||||
// get ID
|
||||
newAuctionID, err := k.getNextAuctionID(ctx)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
// set ID
|
||||
auction.SetID(newAuctionID)
|
||||
|
||||
// store auction
|
||||
k.SetAuction(ctx, auction)
|
||||
k.incrementNextAuctionID(ctx)
|
||||
return newAuctionID, nil
|
||||
}
|
||||
|
||||
// getNextAuctionID gets the next available global AuctionID
|
||||
func (k Keeper) getNextAuctionID(ctx sdk.Context) (types.ID, sdk.Error) {
|
||||
// get next ID from store
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
bz := store.Get(k.getNextAuctionIDKey())
|
||||
if bz == nil {
|
||||
// if not found, set the id at 0
|
||||
bz = k.cdc.MustMarshalBinaryLengthPrefixed(types.ID(0))
|
||||
store.Set(k.getNextAuctionIDKey(), bz)
|
||||
// TODO Set auction ID in genesis
|
||||
//return 0, ErrInvalidGenesis(keeper.codespace, "InitialProposalID never set")
|
||||
}
|
||||
var auctionID types.ID
|
||||
k.cdc.MustUnmarshalBinaryLengthPrefixed(bz, &auctionID)
|
||||
return auctionID, nil
|
||||
}
|
||||
|
||||
// incrementNextAuctionID increments the global ID in the store by 1
|
||||
func (k Keeper) incrementNextAuctionID(ctx sdk.Context) sdk.Error {
|
||||
// get next ID from store
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
bz := store.Get(k.getNextAuctionIDKey())
|
||||
if bz == nil {
|
||||
panic("initial auctionID never set in genesis")
|
||||
//return 0, ErrInvalidGenesis(keeper.codespace, "InitialProposalID never set") // TODO
|
||||
}
|
||||
var auctionID types.ID
|
||||
k.cdc.MustUnmarshalBinaryLengthPrefixed(bz, &auctionID)
|
||||
|
||||
// increment the stored next ID
|
||||
bz = k.cdc.MustMarshalBinaryLengthPrefixed(auctionID + 1)
|
||||
store.Set(k.getNextAuctionIDKey(), bz)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// SetAuction puts the auction into the database and adds it to the queue
|
||||
// it overwrites any pre-existing auction with same ID
|
||||
func (k Keeper) SetAuction(ctx sdk.Context, auction types.Auction) {
|
||||
// remove the auction from the queue if it is already in there
|
||||
existingAuction, found := k.GetAuction(ctx, auction.GetID())
|
||||
if found {
|
||||
k.removeFromQueue(ctx, existingAuction.GetEndTime(), existingAuction.GetID())
|
||||
}
|
||||
|
||||
// store auction
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
bz := k.cdc.MustMarshalBinaryLengthPrefixed(auction)
|
||||
store.Set(k.getAuctionKey(auction.GetID()), bz)
|
||||
|
||||
// add to the queue
|
||||
k.InsertIntoQueue(ctx, auction.GetEndTime(), auction.GetID())
|
||||
}
|
||||
|
||||
// getAuction gets an auction from the store by auctionID
|
||||
func (k Keeper) GetAuction(ctx sdk.Context, auctionID types.ID) (types.Auction, bool) {
|
||||
var auction types.Auction
|
||||
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
bz := store.Get(k.getAuctionKey(auctionID))
|
||||
if bz == nil {
|
||||
return auction, false
|
||||
}
|
||||
|
||||
k.cdc.MustUnmarshalBinaryLengthPrefixed(bz, &auction)
|
||||
return auction, true
|
||||
}
|
||||
|
||||
// DeleteAuction removes an auction from the store without any validation
|
||||
func (k Keeper) DeleteAuction(ctx sdk.Context, auctionID types.ID) {
|
||||
// remove from queue
|
||||
auction, found := k.GetAuction(ctx, auctionID)
|
||||
if found {
|
||||
k.removeFromQueue(ctx, auction.GetEndTime(), auctionID)
|
||||
}
|
||||
|
||||
// delete auction
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
store.Delete(k.getAuctionKey(auctionID))
|
||||
}
|
||||
|
||||
// ---------- Queue and key methods ----------
|
||||
// These are lower level function used by the store methods above.
|
||||
|
||||
func (k Keeper) getNextAuctionIDKey() []byte {
|
||||
return []byte("nextAuctionID")
|
||||
}
|
||||
func (k Keeper) getAuctionKey(auctionID types.ID) []byte {
|
||||
return []byte(fmt.Sprintf("auctions:%d", auctionID))
|
||||
}
|
||||
|
||||
// Inserts a AuctionID into the queue at endTime
|
||||
func (k Keeper) InsertIntoQueue(ctx sdk.Context, endTime time.Time, auctionID types.ID) {
|
||||
// get the store
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
// marshal thing to be inserted
|
||||
bz := k.cdc.MustMarshalBinaryLengthPrefixed(auctionID)
|
||||
// store it
|
||||
store.Set(
|
||||
getQueueElementKey(endTime, auctionID),
|
||||
bz,
|
||||
)
|
||||
}
|
||||
|
||||
// removes an auctionID from the queue
|
||||
func (k Keeper) removeFromQueue(ctx sdk.Context, endTime time.Time, auctionID types.ID) {
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
store.Delete(getQueueElementKey(endTime, auctionID))
|
||||
}
|
||||
|
||||
// Returns an iterator for all the auctions in the queue that expire by endTime
|
||||
func (k Keeper) GetQueueIterator(ctx sdk.Context, endTime time.Time) sdk.Iterator { // TODO rename to "getAuctionsByExpiry" ?
|
||||
// get store
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
// get an interator
|
||||
return store.Iterator(
|
||||
queueKeyPrefix, // start key
|
||||
sdk.PrefixEndBytes(getQueueElementKeyPrefix(endTime)), // end key (apparently exclusive but tests suggested otherwise)
|
||||
)
|
||||
}
|
||||
|
||||
// GetAuctionIterator returns an iterator over all auctions in the store
|
||||
func (k Keeper) GetAuctionIterator(ctx sdk.Context) sdk.Iterator {
|
||||
store := ctx.KVStore(k.storeKey)
|
||||
return sdk.KVStorePrefixIterator(store, nil)
|
||||
}
|
||||
|
||||
var queueKeyPrefix = []byte("queue")
|
||||
var keyDelimiter = []byte(":")
|
||||
|
||||
// Returns half a key for an auctionID in the queue, it missed the id off the end
|
||||
func getQueueElementKeyPrefix(endTime time.Time) []byte {
|
||||
return bytes.Join([][]byte{
|
||||
queueKeyPrefix,
|
||||
sdk.Uint64ToBigEndian(uint64(endTime)), // TODO check this gives correct ordering
|
||||
}, keyDelimiter)
|
||||
}
|
||||
|
||||
// Returns the key for an auctionID in the queue
|
||||
func getQueueElementKey(endTime time.Time, auctionID types.ID) []byte {
|
||||
return bytes.Join([][]byte{
|
||||
queueKeyPrefix,
|
||||
sdk.Uint64ToBigEndian(uint64(endTime)), // TODO check this gives correct ordering
|
||||
sdk.Uint64ToBigEndian(uint64(auctionID)),
|
||||
}, keyDelimiter)
|
||||
}
|
||||
|
||||
// GetAuctionID returns the id from an input Auction
|
||||
func (k Keeper) DecodeAuctionID(ctx sdk.Context, idBytes []byte) types.ID {
|
||||
var auctionID types.ID
|
||||
k.cdc.MustUnmarshalBinaryLengthPrefixed(idBytes, &auctionID)
|
||||
return auctionID
|
||||
}
|
||||
|
||||
func (k Keeper) DecodeAuction(ctx sdk.Context, auctionBytes []byte) types.Auction {
|
||||
var auction types.Auction
|
||||
k.cdc.MustUnmarshalBinaryBare(auctionBytes, &auction)
|
||||
return auction
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user