mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-12-26 08:15:19 +00:00
replace endTime type
This commit is contained in:
parent
d8a428e1d8
commit
231aa75774
@ -3,6 +3,7 @@ package keeper
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
"github.com/cosmos/cosmos-sdk/codec"
|
||||
sdk "github.com/cosmos/cosmos-sdk/types"
|
||||
@ -21,7 +22,7 @@ type Keeper struct {
|
||||
}
|
||||
|
||||
// NewKeeper returns a new auction keeper.
|
||||
func NewKeeper(cdc *codec.Codec, storeKey sdk.StoreKey, bankKeeper types.BankKeeper, supplyKeeper types.SupplyKeeper, paramstore subspace.Subspace) Keeper {
|
||||
func NewKeeper(cdc *codec.Codec, storeKey sdk.StoreKey, supplyKeeper types.SupplyKeeper, paramstore subspace.Subspace) Keeper {
|
||||
return Keeper{
|
||||
supplyKeeper: supplyKeeper,
|
||||
storeKey: storeKey,
|
||||
@ -33,7 +34,7 @@ func NewKeeper(cdc *codec.Codec, storeKey sdk.StoreKey, bankKeeper types.BankKee
|
||||
// StartForwardAuction starts a normal auction. Known as flap in maker.
|
||||
func (k Keeper) StartForwardAuction(ctx sdk.Context, seller string, lot sdk.Coin, bidDenom string) (types.ID, sdk.Error) {
|
||||
// create auction
|
||||
auction := types.NewForwardAuction(seller, lot, bidDenom, types.EndTime(ctx.BlockHeight())+types.DefaultMaxAuctionDuration)
|
||||
auction := types.NewForwardAuction(seller, lot, bidDenom, ctx.BlockTime().Add(types.DefaultMaxAuctionDuration))
|
||||
|
||||
// take coins from module account
|
||||
err := k.supplyKeeper.SendCoinsFromModuleToModule(ctx, seller, types.ModuleName, sdk.NewCoins(lot))
|
||||
@ -41,7 +42,7 @@ func (k Keeper) StartForwardAuction(ctx sdk.Context, seller string, lot sdk.Coin
|
||||
return 0, err
|
||||
}
|
||||
// store the auction
|
||||
auctionID, err := k.storeNewAuction(ctx, auction) // TODO does this need to be a pointer to satisfy the interface
|
||||
auctionID, err := k.storeNewAuction(ctx, auction) // TODO does this need to be a pointer to satisfy the interface?
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
@ -51,7 +52,7 @@ func (k Keeper) StartForwardAuction(ctx sdk.Context, seller string, lot sdk.Coin
|
||||
// StartReverseAuction starts an auction where sellers compete by offering decreasing prices. Known as flop in maker.
|
||||
func (k Keeper) StartReverseAuction(ctx sdk.Context, buyer string, bid sdk.Coin, initialLot sdk.Coin) (types.ID, sdk.Error) {
|
||||
// create auction
|
||||
auction := types.NewReverseAuction(buyer, bid, initialLot, types.EndTime(ctx.BlockHeight())+types.DefaultMaxAuctionDuration)
|
||||
auction := types.NewReverseAuction(buyer, bid, initialLot, ctx.BlockTime().Add(types.DefaultMaxAuctionDuration))
|
||||
|
||||
// This auction type mints coins at close. Need to check module account has minting privileges to avoid potential err in endblocker.
|
||||
macc := k.supplyKeeper.GetModuleAccount(ctx, buyer)
|
||||
@ -69,7 +70,7 @@ func (k Keeper) StartReverseAuction(ctx sdk.Context, buyer string, bid sdk.Coin,
|
||||
// StartForwardReverseAuction starts an auction where bidders bid up to a maxBid, then switch to bidding down on price. Known as flip in maker.
|
||||
func (k Keeper) StartForwardReverseAuction(ctx sdk.Context, seller string, lot sdk.Coin, maxBid sdk.Coin, otherPerson sdk.AccAddress) (types.ID, sdk.Error) {
|
||||
// create auction
|
||||
auction := types.NewForwardReverseAuction(seller, lot, types.EndTime(ctx.BlockHeight())+types.DefaultMaxAuctionDuration, maxBid, otherPerson)
|
||||
auction := types.NewForwardReverseAuction(seller, lot, ctx.BlockTime().Add(types.DefaultMaxAuctionDuration), maxBid, otherPerson)
|
||||
|
||||
// take coins from module account
|
||||
err := k.supplyKeeper.SendCoinsFromModuleToModule(ctx, seller, types.ModuleName, sdk.Coins{lot})
|
||||
@ -100,8 +101,6 @@ func (k Keeper) storeNewAuction(ctx sdk.Context, auction types.Auction) (types.I
|
||||
return newAuctionID, nil
|
||||
}
|
||||
|
||||
// ==============================================================================================================================
|
||||
|
||||
// PlaceBid places a bid on any auction.
|
||||
func (k Keeper) PlaceBid(ctx sdk.Context, auctionID types.ID, bidder sdk.AccAddress, bid sdk.Coin, lot sdk.Coin) sdk.Error {
|
||||
|
||||
@ -112,7 +111,7 @@ func (k Keeper) PlaceBid(ctx sdk.Context, auctionID types.ID, bidder sdk.AccAddr
|
||||
}
|
||||
|
||||
// check end time
|
||||
if ctx.BlockHeight() > auction.GetEndTime() {
|
||||
if ctx.BlockTime().After(auction.GetEndTime()) {
|
||||
return sdk.ErrInternal("auction has closed")
|
||||
}
|
||||
|
||||
@ -139,7 +138,7 @@ func (k Keeper) PlaceBid(ctx sdk.Context, auctionID types.ID, bidder sdk.AccAddr
|
||||
}
|
||||
|
||||
// store updated auction
|
||||
k.SetAuction(ctx, a) // maybe move into above funcs
|
||||
k.SetAuction(ctx, a) // TODO maybe move into above funcs
|
||||
|
||||
return nil
|
||||
}
|
||||
@ -180,7 +179,7 @@ func (k Keeper) PlaceBidForward(ctx sdk.Context, a types.ForwardAuction, bidder
|
||||
a.Bidder = bidder
|
||||
a.Bid = bid
|
||||
// increment timeout
|
||||
a.EndTime = EndTime(min(int64(ctx.BlockHeight()+types.DefaultMaxBidDuration), int64(a.MaxEndTime)))
|
||||
a.EndTime = earliestTime(ctx.BlockTime().Add(types.DefaultMaxBidDuration), a.MaxEndTime) // TODO write a min func for time types
|
||||
|
||||
return a, nil
|
||||
}
|
||||
@ -242,7 +241,7 @@ func (k Keeper) PlaceBidForwardReverse(ctx sdk.Context, a types.ForwardReverseAu
|
||||
a.Lot = lot
|
||||
a.Bid = bid
|
||||
// increment timeout
|
||||
a.EndTime = EndTime(min(int64(currentBlockHeight+DefaultMaxBidDuration), int64(a.MaxEndTime)))
|
||||
a.EndTime = earliestTime(ctx.BlockTime().Add(types.DefaultMaxBidDuration), a.MaxEndTime)
|
||||
|
||||
return types.ForwardReverseAuction{}, nil
|
||||
}
|
||||
@ -276,13 +275,11 @@ func (k Keeper) PlaceBidReverse(ctx sdk.Context, a types.ReverseAuction, bidder
|
||||
a.Bidder = bidder
|
||||
a.Lot = lot
|
||||
// increment timeout
|
||||
a.EndTime = EndTime(min(int64(ctx.BlockHeight()+types.DefaultMaxBidDuration), int64(a.MaxEndTime)))
|
||||
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 {
|
||||
|
||||
@ -292,8 +289,8 @@ func (k Keeper) CloseAuction(ctx sdk.Context, auctionID types.ID) sdk.Error {
|
||||
return sdk.ErrInternal("auction doesn't exist")
|
||||
}
|
||||
// error if auction has not reached the end time
|
||||
if ctx.BlockHeight() < int64(auction.GetEndTime()) {
|
||||
return sdk.ErrInternal(fmt.Sprintf("auction can't be closed as curent block height (%v) is under auction end time (%v)", ctx.BlockHeight(), auction.GetEndTime()))
|
||||
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
|
||||
@ -330,19 +327,18 @@ func (k Keeper) MintAndPayoutAuctionLot(ctx sdk.Context, a types.ReverseAuction)
|
||||
return nil
|
||||
}
|
||||
func (k Keeper) PayoutAuctionLot(ctx sdk.Context, a types.Auction) sdk.Error {
|
||||
err := k.supplyKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, a.GetBid(), sdk.NewCoins(a.GetLot()))
|
||||
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) { // TODO don't need error return here
|
||||
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())
|
||||
@ -433,7 +429,7 @@ func (k Keeper) getAuctionKey(auctionID types.ID) []byte {
|
||||
}
|
||||
|
||||
// Inserts a AuctionID into the queue at endTime
|
||||
func (k Keeper) InsertIntoQueue(ctx sdk.Context, endTime types.EndTime, auctionID types.ID) {
|
||||
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
|
||||
@ -446,13 +442,13 @@ func (k Keeper) InsertIntoQueue(ctx sdk.Context, endTime types.EndTime, auctionI
|
||||
}
|
||||
|
||||
// removes an auctionID from the queue
|
||||
func (k Keeper) removeFromQueue(ctx sdk.Context, endTime types.EndTime, auctionID types.ID) {
|
||||
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 types.EndTime) sdk.Iterator { // TODO rename to "getAuctionsByExpiry" ?
|
||||
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
|
||||
@ -472,7 +468,7 @@ 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 types.EndTime) []byte {
|
||||
func getQueueElementKeyPrefix(endTime time.Time) []byte {
|
||||
return bytes.Join([][]byte{
|
||||
queueKeyPrefix,
|
||||
sdk.Uint64ToBigEndian(uint64(endTime)), // TODO check this gives correct ordering
|
||||
@ -480,7 +476,7 @@ func getQueueElementKeyPrefix(endTime types.EndTime) []byte {
|
||||
}
|
||||
|
||||
// Returns the key for an auctionID in the queue
|
||||
func getQueueElementKey(endTime types.EndTime, auctionID types.ID) []byte {
|
||||
func getQueueElementKey(endTime time.Time, auctionID types.ID) []byte {
|
||||
return bytes.Join([][]byte{
|
||||
queueKeyPrefix,
|
||||
sdk.Uint64ToBigEndian(uint64(endTime)), // TODO check this gives correct ordering
|
||||
|
@ -3,6 +3,7 @@ package types
|
||||
import (
|
||||
"fmt"
|
||||
"strconv"
|
||||
"time"
|
||||
|
||||
sdk "github.com/cosmos/cosmos-sdk/types"
|
||||
"github.com/cosmos/cosmos-sdk/x/supply"
|
||||
@ -12,9 +13,9 @@ import (
|
||||
type Auction interface {
|
||||
GetID() ID
|
||||
SetID(ID)
|
||||
// PlaceBid(currentBlockHeight EndTime, bidder sdk.AccAddress, lot sdk.Coin, bid sdk.Coin) ([]BankOutput, []BankInput, sdk.Error)
|
||||
GetEndTime() EndTime // auctions close at the end of the block with blockheight EndTime (ie bids placed in that block are valid)
|
||||
// GetPayout() BankInput
|
||||
GetBidder() sdk.AccAddress
|
||||
GetLot() sdk.Coin
|
||||
GetEndTime() time.Time
|
||||
}
|
||||
|
||||
// BaseAuction type shared by all Auctions
|
||||
@ -24,8 +25,8 @@ type BaseAuction struct {
|
||||
Lot sdk.Coin // Amount of coins up being given by initiator (FA - amount for sale by seller, RA - cost of good by buyer (bid))
|
||||
Bidder sdk.AccAddress // Person who bids in the auction. Receiver of Lot. (aka buyer in forward auction, seller in RA)
|
||||
Bid sdk.Coin // Amount of coins being given by the bidder (FA - bid, RA - amount being sold)
|
||||
EndTime EndTime // Block height at which the auction closes. It closes at the end of this block // TODO change to time type
|
||||
MaxEndTime EndTime // Maximum closing time. Auctions can close before this but never after.
|
||||
EndTime time.Time // Auction closing time. Triggers at the end of the block with time ≥ endTime (bids placed in that block are valid) // TODO ensure everything is consistent with this
|
||||
MaxEndTime time.Time // Maximum closing time. Auctions can close before this but never after.
|
||||
}
|
||||
|
||||
// ID type for auction IDs
|
||||
@ -40,21 +41,6 @@ func NewIDFromString(s string) (ID, error) {
|
||||
return ID(n), nil
|
||||
}
|
||||
|
||||
// EndTime type for end time of auctions
|
||||
type EndTime int64 // TODO rename to Blockheight or don't define custom type
|
||||
|
||||
// BankInput the input and output types from the bank module where used here. But they use sdk.Coins instad of sdk.Coin. So it caused a lot of type conversion as auction mainly uses sdk.Coin.
|
||||
type BankInput struct {
|
||||
Address sdk.AccAddress
|
||||
Coin sdk.Coin
|
||||
}
|
||||
|
||||
// BankOutput output type for auction bids
|
||||
type BankOutput struct {
|
||||
Address sdk.AccAddress
|
||||
Coin sdk.Coin
|
||||
}
|
||||
|
||||
// GetID getter for auction ID
|
||||
func (a *BaseAuction) GetID() ID { return a.ID }
|
||||
|
||||
@ -62,22 +48,13 @@ func (a *BaseAuction) GetID() ID { return a.ID }
|
||||
func (a *BaseAuction) SetID(id ID) { a.ID = id }
|
||||
|
||||
// GetBid getter for auction bid
|
||||
func (a *BaseAuction) GetBid() sdk.Coin { return a.Bid }
|
||||
func (a *BaseAuction) GetBidder() sdk.AccAddress { return a.Bidder }
|
||||
|
||||
// GetLot getter for auction lot
|
||||
func (a *BaseAuction) GetLot() sdk.Coin { return a.Lot }
|
||||
|
||||
// GetEndTime getter for auction end time
|
||||
func (a *BaseAuction) GetEndTime() EndTime { return a.EndTime }
|
||||
|
||||
// GetPayout implements Auction
|
||||
// func (a BaseAuction) GetPayout() BankInput {
|
||||
// return BankInput{a.Bidder, a.Lot}
|
||||
// }
|
||||
|
||||
func (e EndTime) String() string {
|
||||
return string(e)
|
||||
}
|
||||
func (a *BaseAuction) GetEndTime() time.Time { return a.EndTime }
|
||||
|
||||
func (a *BaseAuction) String() string {
|
||||
return fmt.Sprintf(`Auction %d:
|
||||
@ -99,7 +76,7 @@ type ForwardAuction struct {
|
||||
}
|
||||
|
||||
// NewForwardAuction creates a new forward auction
|
||||
func NewForwardAuction(seller string, lot sdk.Coin, bidDenom string, EndTime EndTime) ForwardAuction {
|
||||
func NewForwardAuction(seller string, lot sdk.Coin, bidDenom string, EndTime time.Time) ForwardAuction {
|
||||
auction := ForwardAuction{&BaseAuction{
|
||||
// no ID
|
||||
Initiator: seller,
|
||||
@ -113,42 +90,17 @@ func NewForwardAuction(seller string, lot sdk.Coin, bidDenom string, EndTime End
|
||||
return auction
|
||||
}
|
||||
|
||||
// PlaceBid implements Auction
|
||||
// func (a *ForwardAuction) PlaceBid(currentBlockHeight EndTime, bidder sdk.AccAddress, lot sdk.Coin, bid sdk.Coin) ([]BankOutput, []BankInput, sdk.Error) {
|
||||
// // TODO check lot size matches lot?
|
||||
// // check auction has not closed
|
||||
// if currentBlockHeight > a.EndTime {
|
||||
// return []BankOutput{}, []BankInput{}, sdk.ErrInternal("auction has closed")
|
||||
// }
|
||||
// // check bid is greater than last bid
|
||||
// if !a.Bid.IsLT(bid) { // TODO add minimum bid size
|
||||
// return []BankOutput{}, []BankInput{}, sdk.ErrInternal("bid not greater than last bid")
|
||||
// }
|
||||
// // calculate coin movements
|
||||
// outputs := []BankOutput{{bidder, bid}} // new bidder pays bid now
|
||||
// inputs := []BankInput{{a.Bidder, a.Bid}, {a.Initiator, bid.Sub(a.Bid)}} // old bidder is paid back, extra goes to seller
|
||||
|
||||
// // update auction
|
||||
// a.Bidder = bidder
|
||||
// a.Bid = bid
|
||||
// // increment timeout // TODO into keeper?
|
||||
// a.EndTime = EndTime(min(int64(currentBlockHeight+DefaultMaxBidDuration), int64(a.MaxEndTime))) // TODO is there a better way to structure these types?
|
||||
|
||||
// return outputs, inputs, nil
|
||||
// }
|
||||
|
||||
// ReverseAuction type for reverse auctions
|
||||
// TODO when exporting state and initializing a new genesis, we'll need a way to differentiate forward from reverse auctions
|
||||
type ReverseAuction struct {
|
||||
*BaseAuction
|
||||
}
|
||||
|
||||
// NewReverseAuction creates a new reverse auction
|
||||
func NewReverseAuction(buyerModAccName string, bid sdk.Coin, initialLot sdk.Coin, EndTime EndTime) ReverseAuction {
|
||||
// Bidder set here receives the proceeds from the first bid placed. This is set to the address of the module account.
|
||||
// When this happens it uses supply.SendCoinsFromModuleToAccount, rather than SendCoinsFromModuleToModule.
|
||||
// Currently not a problem but if extra checks are added to module accounts this will skip them.
|
||||
// TODO description
|
||||
func NewReverseAuction(buyerModAccName string, bid sdk.Coin, initialLot sdk.Coin, EndTime time.Time) ReverseAuction {
|
||||
// TODO setting the bidder here is a bit hacky
|
||||
// Needs to be set so that when the first bid is placed, it is paid out to the initiator.
|
||||
// Setting to the module account address bypasses calling supply.SendCoinsFromModuleToModule, instead calls SendCoinsFromModuleToModule. Not a problem currently but if checks/logic regarding modules accounts where added to those methods they would be bypassed.
|
||||
// Alternative: set address to nil, and catch it in an if statement in place bid
|
||||
auction := ReverseAuction{&BaseAuction{
|
||||
// no ID
|
||||
Initiator: buyerModAccName,
|
||||
@ -158,35 +110,9 @@ func NewReverseAuction(buyerModAccName string, bid sdk.Coin, initialLot sdk.Coin
|
||||
EndTime: EndTime,
|
||||
MaxEndTime: EndTime,
|
||||
}}
|
||||
//output := BankOutput{buyer, initialLot}
|
||||
return auction
|
||||
}
|
||||
|
||||
// PlaceBid implements Auction
|
||||
// func (a *ReverseAuction) PlaceBid(currentBlockHeight EndTime, bidder sdk.AccAddress, lot sdk.Coin, bid sdk.Coin) ([]BankOutput, []BankInput, sdk.Error) {
|
||||
|
||||
// // check bid size matches bid?
|
||||
// // check auction has not closed
|
||||
// if currentBlockHeight > a.EndTime {
|
||||
// return []BankOutput{}, []BankInput{}, sdk.ErrInternal("auction has closed")
|
||||
// }
|
||||
// // check bid is less than last bid
|
||||
// if !lot.IsLT(a.Lot) { // TODO add min bid decrements
|
||||
// return []BankOutput{}, []BankInput{}, sdk.ErrInternal("lot not smaller than last lot")
|
||||
// }
|
||||
// // calculate coin movements
|
||||
// outputs := []BankOutput{{bidder, a.Bid}} // new bidder pays bid now
|
||||
// inputs := []BankInput{{a.Bidder, a.Bid}, {a.Initiator, a.Lot.Sub(lot)}} // old bidder is paid back, decrease in price for goes to buyer
|
||||
|
||||
// // update auction
|
||||
// a.Bidder = bidder
|
||||
// a.Lot = lot
|
||||
// // increment timeout // TODO into keeper?
|
||||
// a.EndTime = EndTime(min(int64(currentBlockHeight+DefaultMaxBidDuration), int64(a.MaxEndTime))) // TODO is there a better way to structure these types?
|
||||
|
||||
// return outputs, inputs, nil
|
||||
// }
|
||||
|
||||
// ForwardReverseAuction type for forward reverse auction
|
||||
type ForwardReverseAuction struct {
|
||||
*BaseAuction
|
||||
@ -211,7 +137,7 @@ func (a *ForwardReverseAuction) String() string {
|
||||
}
|
||||
|
||||
// NewForwardReverseAuction creates a new forward reverse auction
|
||||
func NewForwardReverseAuction(seller string, lot sdk.Coin, EndTime EndTime, maxBid sdk.Coin, otherPerson sdk.AccAddress) ForwardReverseAuction {
|
||||
func NewForwardReverseAuction(seller string, lot sdk.Coin, EndTime time.Time, maxBid sdk.Coin, otherPerson sdk.AccAddress) ForwardReverseAuction {
|
||||
auction := ForwardReverseAuction{
|
||||
BaseAuction: &BaseAuction{
|
||||
// no ID
|
||||
@ -227,53 +153,3 @@ func NewForwardReverseAuction(seller string, lot sdk.Coin, EndTime EndTime, maxB
|
||||
//output := BankOutput{seller, lot}
|
||||
return auction
|
||||
}
|
||||
|
||||
// PlaceBid implements auction
|
||||
// func (a *ForwardReverseAuction) PlaceBid(currentBlockHeight EndTime, bidder sdk.AccAddress, lot sdk.Coin, bid sdk.Coin) (outputs []BankOutput, inputs []BankInput, err sdk.Error) {
|
||||
// // check auction has not closed
|
||||
// if currentBlockHeight > a.EndTime {
|
||||
// return []BankOutput{}, []BankInput{}, sdk.ErrInternal("auction has closed")
|
||||
// }
|
||||
|
||||
// // determine phase of auction
|
||||
// switch {
|
||||
// case a.Bid.IsLT(a.MaxBid) && bid.IsLT(a.MaxBid):
|
||||
// // Forward auction phase
|
||||
// if !a.Bid.IsLT(bid) { // TODO add min bid increments
|
||||
// return []BankOutput{}, []BankInput{}, sdk.ErrInternal("bid not greater than last bid")
|
||||
// }
|
||||
// outputs = []BankOutput{{bidder, bid}} // new bidder pays bid now
|
||||
// inputs = []BankInput{{a.Bidder, a.Bid}, {a.Initiator, bid.Sub(a.Bid)}} // old bidder is paid back, extra goes to seller
|
||||
// case a.Bid.IsLT(a.MaxBid):
|
||||
// // Switch over phase
|
||||
// if !bid.IsEqual(a.MaxBid) { // require bid == a.MaxBid
|
||||
// return []BankOutput{}, []BankInput{}, sdk.ErrInternal("bid greater than the max bid")
|
||||
// }
|
||||
// outputs = []BankOutput{{bidder, bid}} // new bidder pays bid now
|
||||
// inputs = []BankInput{
|
||||
// {a.Bidder, a.Bid}, // old bidder is paid back
|
||||
// {a.Initiator, bid.Sub(a.Bid)}, // extra goes to seller
|
||||
// {a.OtherPerson, a.Lot.Sub(lot)}, //decrease in price for goes to original CDP owner
|
||||
// }
|
||||
|
||||
// case a.Bid.IsEqual(a.MaxBid):
|
||||
// // Reverse auction phase
|
||||
// if !lot.IsLT(a.Lot) { // TODO add min bid decrements
|
||||
// return []BankOutput{}, []BankInput{}, sdk.ErrInternal("lot not smaller than last lot")
|
||||
// }
|
||||
// outputs = []BankOutput{{bidder, a.Bid}} // new bidder pays bid now
|
||||
// inputs = []BankInput{{a.Bidder, a.Bid}, {a.OtherPerson, a.Lot.Sub(lot)}} // old bidder is paid back, decrease in price for goes to original CDP owner
|
||||
// default:
|
||||
// panic("should never be reached") // TODO
|
||||
// }
|
||||
|
||||
// // update auction
|
||||
// a.Bidder = bidder
|
||||
// a.Lot = lot
|
||||
// a.Bid = bid
|
||||
// // increment timeout
|
||||
// // TODO use bid duration param
|
||||
// a.EndTime = EndTime(min(int64(currentBlockHeight+DefaultMaxBidDuration), int64(a.MaxEndTime))) // TODO is there a better way to structure these types?
|
||||
|
||||
// return outputs, inputs, nil
|
||||
// }
|
||||
|
@ -3,16 +3,17 @@ package types
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
"github.com/cosmos/cosmos-sdk/x/params/subspace"
|
||||
)
|
||||
|
||||
// Defaults for auction params
|
||||
const (
|
||||
// DefaultMaxAuctionDuration max length of auction, roughly 2 days in blocks
|
||||
DefaultMaxAuctionDuration EndTime = 2 * 24 * 3600 / 5
|
||||
// DefaultMaxAuctionDuration max length of auction
|
||||
DefaultMaxAuctionDuration time.Duration = 2 * 24 * time.Hour
|
||||
// DefaultBidDuration how long an auction gets extended when someone bids, roughly 3 hours in blocks
|
||||
DefaultMaxBidDuration EndTime = 3 * 3600 / 5
|
||||
DefaultMaxBidDuration time.Duration = 3 * time.Hour
|
||||
// DefaultStartingAuctionID what the id of the first auction will be
|
||||
DefaultStartingAuctionID ID = ID(0)
|
||||
)
|
||||
@ -21,24 +22,24 @@ const (
|
||||
var (
|
||||
// ParamStoreKeyAuctionParams Param store key for auction params
|
||||
KeyAuctionBidDuration = []byte("MaxBidDuration")
|
||||
KeyAuctionDuration = []byte("MaxAuctionDuration")
|
||||
KeyAuctionStartingID = []byte("StartingAuctionID")
|
||||
KeyAuctionDuration = []byte("MaxAuctionDuration")
|
||||
KeyAuctionStartingID = []byte("StartingAuctionID")
|
||||
)
|
||||
|
||||
var _ subspace.ParamSet = &AuctionParams{}
|
||||
|
||||
// AuctionParams governance parameters for auction module
|
||||
type AuctionParams struct {
|
||||
MaxAuctionDuration EndTime `json:"max_auction_duration" yaml:"max_auction_duration"` // max length of auction, in blocks
|
||||
MaxBidDuration EndTime `json:"max_bid_duration" yaml:"max_bid_duration"`
|
||||
StartingAuctionID ID `json:"starting_auction_id" yaml:"starting_auction_id"`
|
||||
MaxAuctionDuration time.Duration `json:"max_auction_duration" yaml:"max_auction_duration"` // max length of auction, in blocks
|
||||
MaxBidDuration time.Duration `json:"max_bid_duration" yaml:"max_bid_duration"`
|
||||
StartingAuctionID ID `json:"starting_auction_id" yaml:"starting_auction_id"`
|
||||
}
|
||||
|
||||
// NewAuctionParams creates a new AuctionParams object
|
||||
func NewAuctionParams(maxAuctionDuration EndTime, bidDuration EndTime, startingID ID) AuctionParams {
|
||||
func NewAuctionParams(maxAuctionDuration time.Duration, bidDuration time.Duration, startingID ID) AuctionParams {
|
||||
return AuctionParams{
|
||||
MaxAuctionDuration: maxAuctionDuration,
|
||||
MaxBidDuration: bidDuration,
|
||||
MaxBidDuration: bidDuration,
|
||||
StartingAuctionID: startingID,
|
||||
}
|
||||
}
|
||||
@ -85,12 +86,6 @@ func (ap AuctionParams) String() string {
|
||||
|
||||
// Validate checks that the parameters have valid values.
|
||||
func (ap AuctionParams) Validate() error {
|
||||
if ap.MaxAuctionDuration <= EndTime(0) {
|
||||
return fmt.Errorf("max auction duration should be positive, is %s", ap.MaxAuctionDuration)
|
||||
}
|
||||
if ap.MaxBidDuration <= EndTime(0) {
|
||||
return fmt.Errorf("bid duration should be positive, is %s", ap.MaxBidDuration)
|
||||
}
|
||||
if ap.StartingAuctionID <= ID(0) {
|
||||
return fmt.Errorf("starting auction ID should be positive, is %v", ap.StartingAuctionID)
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user