Update method to pick auction winner
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parent
66e674d387
commit
5a1546a7c9
@ -5,6 +5,7 @@ import (
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"encoding/json"
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"errors"
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"fmt"
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"slices"
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"time"
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"cosmossdk.io/collections"
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@ -12,8 +13,10 @@ import (
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storetypes "cosmossdk.io/core/store"
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errorsmod "cosmossdk.io/errors"
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"cosmossdk.io/log"
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"cosmossdk.io/math"
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"github.com/cosmos/cosmos-sdk/codec"
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"github.com/cosmos/cosmos-sdk/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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auth "github.com/cosmos/cosmos-sdk/x/auth/keeper"
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@ -339,6 +342,16 @@ func (k Keeper) CreateAuction(ctx sdk.Context, msg auctiontypes.MsgCreateAuction
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commitsEndTime := now.Add(msg.CommitsDuration)
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revealsEndTime := now.Add(msg.CommitsDuration + msg.RevealsDuration)
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if msg.Kind == auctiontypes.AuctionKindServiceProvider {
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totalMaxBidAmount := sdk.NewCoin(msg.MaxPrice.Denom, msg.MaxPrice.Amount.MulRaw(int64(msg.NumProviders)))
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sdkErr := k.bankKeeper.SendCoinsFromAccountToModule(ctx, signerAddress, auctiontypes.ModuleName, sdk.NewCoins(totalMaxBidAmount))
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if sdkErr != nil {
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k.Logger(ctx).Error(fmt.Sprintf("Auction error transferring maximum_bid amount: %v", sdkErr))
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panic(sdkErr)
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}
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}
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auction := auctiontypes.Auction{
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Id: auctionId,
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Status: auctiontypes.AuctionStatusCommitPhase,
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@ -349,6 +362,9 @@ func (k Keeper) CreateAuction(ctx sdk.Context, msg auctiontypes.MsgCreateAuction
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CommitFee: msg.CommitFee,
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RevealFee: msg.RevealFee,
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MinimumBid: msg.MinimumBid,
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MaxPrice: msg.MaxPrice,
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Kind: msg.Kind,
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NumProviders: msg.NumProviders,
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}
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// Save auction in store.
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@ -606,8 +622,14 @@ func (k Keeper) processAuctionPhases(ctx sdk.Context) error {
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// If auction has expired, pick a winner from revealed bids.
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if auction.Status == auctiontypes.AuctionStatusExpired {
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if err = k.pickAuctionWinner(ctx, auction); err != nil {
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return err
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if auction.Kind == auctiontypes.AuctionKindVickrey {
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if err = k.pickAuctionWinner(ctx, auction); err != nil {
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return err
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}
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} else {
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if err = k.pickServiceProviderAuctionWinner(ctx, auction); err != nil {
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return err
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}
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}
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}
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}
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@ -635,6 +657,7 @@ func (k Keeper) deleteCompletedAuctions(ctx sdk.Context) error {
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return nil
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}
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// Pick winner for vickrey auction
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func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction) error {
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k.Logger(ctx).Info(fmt.Sprintf("Picking auction %s winner.", auction.Id))
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@ -686,16 +709,15 @@ func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction
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auction.Status = auctiontypes.AuctionStatusCompleted
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if highestBid != nil {
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auction.WinnerAddress = highestBid.BidderAddress
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auction.WinningBid = highestBid.BidAmount
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winnerAddresses := make([]string, 1)
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auction.WinnerAddresses = winnerAddresses
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// Winner pays 2nd price, if a 2nd price exists.
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auction.WinningPrice = highestBid.BidAmount
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if secondHighestBid != nil {
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auction.WinningPrice = secondHighestBid.BidAmount
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}
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k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner %s.", auction.Id, auction.WinnerAddress))
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k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner bid %s.", auction.Id, auction.WinningBid.String()))
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k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner %s.", auction.Id, auction.WinnerAddresses[0]))
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k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner bid %s.", auction.Id, auction.WinningBids[0].String()))
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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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@ -730,8 +752,8 @@ func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction
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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 auction.WinnerAddress != "" {
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winnerAddress, err := sdk.AccAddressFromBech32(auction.WinnerAddress)
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if len(auction.WinnerAddresses) == 0 {
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winnerAddress, err := sdk.AccAddressFromBech32(auction.WinnerAddresses[0])
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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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@ -29,6 +29,12 @@ const (
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BidStatusRevealed = "reveal"
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)
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// Auction kinds
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const (
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AuctionKindVickrey = "vickrey"
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AuctionKindServiceProvider = "service_provider"
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)
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// AuctionId simplifies generation of auction ids.
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type AuctionId struct {
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Address sdk.Address
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