Add method to pick service provider auction winner
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5a1546a7c9
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@ -795,3 +795,139 @@ func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction
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return nil
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}
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// Pick winner for service_provider auction
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func (k Keeper) pickServiceProviderAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction) error {
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k.Logger(ctx).Info(fmt.Sprintf("Picking auction %s winners.", auction.Id))
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bids, err := k.GetBids(ctx, auction.Id)
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if err != nil {
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return err
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}
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var revealedBids []*auctiontypes.Bid
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for _, bid := range bids {
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k.Logger(ctx).Info(fmt.Sprintf("Processing bid %s %s", bid.BidderAddress, bid.BidAmount.String()))
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// Only consider revealed bids.
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if bid.Status != auctiontypes.BidStatusRevealed {
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k.Logger(ctx).Info(fmt.Sprintf("Ignoring unrevealed bid %s %s", bid.BidderAddress, bid.BidAmount.String()))
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continue
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}
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revealedBids = append(revealedBids, bid)
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}
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// Sort the valid bids
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slices.SortFunc(revealedBids, func(a, b *auctiontypes.Bid) int {
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if a.BidAmount.Amount.LT(b.BidAmount.Amount) {
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return -1
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} else if a.BidAmount.Amount.GT(b.BidAmount.Amount) {
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return 1
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}
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return 0
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})
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numWinners := int(auction.NumProviders)
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if len(revealedBids) < numWinners {
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numWinners = (len(revealedBids))
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}
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winnerBids := revealedBids[:numWinners]
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auction.Status = auctiontypes.AuctionStatusCompleted
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if len(winnerBids) > 0 {
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winnerAddresses := make([]string, len(winnerBids))
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winningBids := make([]types.Coin, len(winnerBids))
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for i, bid := range winnerBids {
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winnerAddresses[i] = bid.BidderAddress
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winningBids[i] = bid.BidAmount
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}
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auction.WinnerAddresses = winnerAddresses
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auction.WinningBids = winningBids
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auction.WinningPrice = winnerBids[0].BidAmount
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if len(winnerBids) > 0 {
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// The last best bid is the winning price
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auction.WinningPrice = winnerBids[len(winnerBids)-1].BidAmount
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}
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for _, bid := range winnerBids {
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k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner address: %s, bid amount: %s.", auction.Id, bid.BidderAddress, bid.BidAmount.String()))
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}
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k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner price %s.", auction.Id, auction.WinningPrice.String()))
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} else {
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k.Logger(ctx).Info(fmt.Sprintf("Auction %s has no valid revealed bids (no winner).", auction.Id))
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}
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if err := k.SaveAuction(ctx, auction); err != nil {
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return err
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}
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for _, bid := range bids {
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bidderAddress, err := sdk.AccAddressFromBech32(bid.BidderAddress)
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if err != nil {
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k.Logger(ctx).Error(fmt.Sprintf("Invalid bidderAddress address. %v", err))
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panic("Invalid bidder address.")
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}
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if bid.Status == auctiontypes.BidStatusRevealed {
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// Send reveal fee back to bidders that've revealed the bid.
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sdkErr := k.bankKeeper.SendCoinsFromModuleToAccount(ctx, auctiontypes.ModuleName, bidderAddress, sdk.NewCoins(bid.RevealFee))
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if sdkErr != nil {
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k.Logger(ctx).Error(fmt.Sprintf("Auction error returning reveal fee: %v", sdkErr))
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panic(sdkErr)
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}
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}
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}
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// Process winner account (if nobody bids, there won't be a winner).
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if len(winnerBids) > 0 {
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winnerAddresses := make([]string, len(winnerBids))
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for i, bid := range winnerBids {
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winnerAddresses[i] = bid.BidderAddress
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winnerAddress, err := sdk.AccAddressFromBech32(bid.BidderAddress)
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if err != nil {
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k.Logger(ctx).Error(fmt.Sprintf("Invalid winner address. %v", err))
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panic("Invalid winner address.")
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}
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// Send winning price to bidders
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sdkErrWinner := k.bankKeeper.SendCoinsFromModuleToAccount(ctx, auctiontypes.ModuleName, winnerAddress, sdk.NewCoins(auction.WinningPrice))
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if sdkErrWinner != nil {
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k.Logger(ctx).Error(fmt.Sprintf("Auction error sending funds to winner: %v", sdkErrWinner))
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panic(sdkErrWinner)
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}
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// Send back extra amount to auction creator
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totalMaxBidAmount := auction.MaxPrice.Amount.MulRaw(int64(auction.NumProviders))
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totalAmountPaid := auction.WinningPrice.Amount.Mul(math.NewInt(int64(auction.NumProviders)))
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extraAmountCoin := sdk.NewCoin(auction.MaxPrice.Denom, totalMaxBidAmount.Sub(totalAmountPaid))
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sdkErrCreator := k.bankKeeper.SendCoinsFromModuleToAccount(ctx, auctiontypes.ModuleName, sdk.AccAddress(auction.OwnerAddress), sdk.NewCoins(extraAmountCoin))
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if sdkErrCreator != nil {
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k.Logger(ctx).Error(fmt.Sprintf("Auction error returning bid amount: %v", sdkErrCreator))
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panic(sdkErrCreator)
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}
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}
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} else {
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sdkErr := k.bankKeeper.SendCoinsFromModuleToAccount(
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ctx,
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auctiontypes.ModuleName,
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sdk.AccAddress(auction.OwnerAddress),
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sdk.NewCoins(auction.MaxPrice))
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if sdkErr != nil {
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k.Logger(ctx).Error(fmt.Sprintf("Auction error returning bid amount: %v", sdkErr))
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panic(sdkErr)
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}
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}
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// Notify other modules (hook).
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k.Logger(ctx).Info(fmt.Sprintf("Auction %s notifying %d modules.", auction.Id, len(k.usageKeepers)))
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for _, keeper := range k.usageKeepers {
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k.Logger(ctx).Info(fmt.Sprintf("Auction %s notifying module %s.", auction.Id, keeper.ModuleName()))
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keeper.OnAuctionWinnerSelected(ctx, auction.Id)
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}
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return nil
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}
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