cerc-io/laconicd
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Update method to pick auction winner

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This commit is contained in:
IshaVenikar 2024-09-13 13:00:10 +05:30
parent 66e674d387
commit 5a1546a7c9
2 changed files with 37 additions and 9 deletions
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36
x/auction/keeper/keeper.go
View File

@ -5,6 +5,7 @@ import (
"encoding/json"
"errors"
"fmt"
"slices"
"time"
"cosmossdk.io/collections"
@ -12,8 +13,10 @@ import (
storetypes "cosmossdk.io/core/store"
errorsmod "cosmossdk.io/errors"
"cosmossdk.io/log"
"cosmossdk.io/math"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/types"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
auth "github.com/cosmos/cosmos-sdk/x/auth/keeper"
@ -339,6 +342,16 @@ func (k Keeper) CreateAuction(ctx sdk.Context, msg auctiontypes.MsgCreateAuction
commitsEndTime := now.Add(msg.CommitsDuration)
revealsEndTime := now.Add(msg.CommitsDuration + msg.RevealsDuration)
if msg.Kind == auctiontypes.AuctionKindServiceProvider {
totalMaxBidAmount := sdk.NewCoin(msg.MaxPrice.Denom, msg.MaxPrice.Amount.MulRaw(int64(msg.NumProviders)))
sdkErr := k.bankKeeper.SendCoinsFromAccountToModule(ctx, signerAddress, auctiontypes.ModuleName, sdk.NewCoins(totalMaxBidAmount))
if sdkErr != nil {
k.Logger(ctx).Error(fmt.Sprintf("Auction error transferring maximum_bid amount: %v", sdkErr))
panic(sdkErr)
}
}
auction := auctiontypes.Auction{
Id: auctionId,
Status: auctiontypes.AuctionStatusCommitPhase,
@ -349,6 +362,9 @@ func (k Keeper) CreateAuction(ctx sdk.Context, msg auctiontypes.MsgCreateAuction
CommitFee: msg.CommitFee,
RevealFee: msg.RevealFee,
MinimumBid: msg.MinimumBid,
MaxPrice: msg.MaxPrice,
Kind: msg.Kind,
NumProviders: msg.NumProviders,
}
// Save auction in store.
@ -606,9 +622,15 @@ func (k Keeper) processAuctionPhases(ctx sdk.Context) error {
// If auction has expired, pick a winner from revealed bids.
if auction.Status == auctiontypes.AuctionStatusExpired {
if auction.Kind == auctiontypes.AuctionKindVickrey {
if err = k.pickAuctionWinner(ctx, auction); err != nil {
return err
}
} else {
if err = k.pickServiceProviderAuctionWinner(ctx, auction); err != nil {
return err
}
}
}
}
@ -635,6 +657,7 @@ func (k Keeper) deleteCompletedAuctions(ctx sdk.Context) error {
return nil
}
// Pick winner for vickrey auction
func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction) error {
k.Logger(ctx).Info(fmt.Sprintf("Picking auction %s winner.", auction.Id))
@ -686,16 +709,15 @@ func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction
auction.Status = auctiontypes.AuctionStatusCompleted
if highestBid != nil {
auction.WinnerAddress = highestBid.BidderAddress
auction.WinningBid = highestBid.BidAmount
winnerAddresses := make([]string, 1)
auction.WinnerAddresses = winnerAddresses
// Winner pays 2nd price, if a 2nd price exists.
auction.WinningPrice = highestBid.BidAmount
if secondHighestBid != nil {
auction.WinningPrice = secondHighestBid.BidAmount
}
k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner %s.", auction.Id, auction.WinnerAddress))
k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner bid %s.", auction.Id, auction.WinningBid.String()))
k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner %s.", auction.Id, auction.WinnerAddresses[0]))
k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner bid %s.", auction.Id, auction.WinningBids[0].String()))
k.Logger(ctx).Info(fmt.Sprintf("Auction %s winner price %s.", auction.Id, auction.WinningPrice.String()))
} else {
k.Logger(ctx).Info(fmt.Sprintf("Auction %s has no valid revealed bids (no winner).", auction.Id))
@ -730,8 +752,8 @@ func (k Keeper) pickAuctionWinner(ctx sdk.Context, auction *auctiontypes.Auction
}
// Process winner account (if nobody bids, there won't be a winner).
if auction.WinnerAddress != "" {
winnerAddress, err := sdk.AccAddressFromBech32(auction.WinnerAddress)
if len(auction.WinnerAddresses) == 0 {
winnerAddress, err := sdk.AccAddressFromBech32(auction.WinnerAddresses[0])
if err != nil {
k.Logger(ctx).Error(fmt.Sprintf("Invalid winner address. %v", err))
panic("Invalid winner address.")

6
x/auction/types.go
View File

@ -29,6 +29,12 @@ const (
BidStatusRevealed = "reveal"
)
// Auction kinds
const (
AuctionKindVickrey = "vickrey"
AuctionKindServiceProvider = "service_provider"
)
// AuctionId simplifies generation of auction ids.
type AuctionId struct {
Address sdk.Address