0g-chain/x/auction/keeper/bidding_test.go

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package keeper_test
import (
"errors"
"strings"
"testing"
"time"
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"github.com/stretchr/testify/require"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/auth"
authexported "github.com/cosmos/cosmos-sdk/x/auth/exported"
"github.com/cosmos/cosmos-sdk/x/supply"
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abci "github.com/tendermint/tendermint/abci/types"
"github.com/kava-labs/kava/app"
"github.com/kava-labs/kava/x/auction/types"
)
type AuctionType int
const (
Invalid AuctionType = 0
Surplus AuctionType = 1
Debt AuctionType = 2
Collateral AuctionType = 3
)
func TestAuctionBidding(t *testing.T) {
someTime := time.Date(0001, time.January, 1, 0, 0, 0, 0, time.UTC)
_, addrs := app.GeneratePrivKeyAddressPairs(5)
buyer := addrs[0]
secondBuyer := addrs[1]
modName := "liquidator"
collateralAddrs := addrs[2:]
collateralWeights := is(30, 20, 10)
type auctionArgs struct {
auctionType AuctionType
seller string
lot sdk.Coin
bid sdk.Coin
debt sdk.Coin
addresses []sdk.AccAddress
weights []sdk.Int
}
type bidArgs struct {
bidder sdk.AccAddress
amount sdk.Coin
}
tests := []struct {
name string
auctionArgs auctionArgs
setupBids []bidArgs
bidArgs bidArgs
expectedError error
expectedEndTime time.Time
expectedBidder sdk.AccAddress
expectedBid sdk.Coin
expectPass bool
expectPanic bool
}{
{
"basic: auction doesn't exist",
auctionArgs{Surplus, "", c("token1", 1), c("token2", 1), sdk.Coin{}, []sdk.AccAddress{}, []sdk.Int{}},
nil,
bidArgs{buyer, c("token2", 10)},
types.ErrAuctionNotFound,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 10),
false,
true,
},
{
"basic: closed auction",
auctionArgs{Surplus, modName, c("token1", 100), c("token2", 10), sdk.Coin{}, []sdk.AccAddress{}, []sdk.Int{}},
nil,
bidArgs{buyer, c("token2", 10)},
types.ErrAuctionHasExpired,
types.DistantFuture,
nil,
c("token2", 0),
false,
false,
},
{
"surplus: normal",
auctionArgs{Surplus, modName, c("token1", 100), c("token2", 10), sdk.Coin{}, []sdk.AccAddress{}, []sdk.Int{}},
nil,
bidArgs{buyer, c("token2", 10)},
nil,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 10),
true,
false,
},
{
"surplus: second bidder",
auctionArgs{Surplus, modName, c("token1", 100), c("token2", 10), sdk.Coin{}, []sdk.AccAddress{}, []sdk.Int{}},
[]bidArgs{{buyer, c("token2", 10)}},
bidArgs{secondBuyer, c("token2", 11)},
nil,
someTime.Add(types.DefaultBidDuration),
secondBuyer,
c("token2", 11),
true,
false,
},
{
"surplus: invalid bid denom",
auctionArgs{Surplus, modName, c("token1", 100), c("token2", 10), sdk.Coin{}, []sdk.AccAddress{}, []sdk.Int{}},
nil,
bidArgs{buyer, c("badtoken", 10)},
types.ErrInvalidBidDenom,
types.DistantFuture,
nil, // surplus auctions are created with initial bidder as a nil address
c("token2", 0),
false,
false,
},
{
"surplus: invalid bid (less than)",
auctionArgs{Surplus, modName, c("token1", 100), c("token2", 0), sdk.Coin{}, []sdk.AccAddress{}, []sdk.Int{}},
[]bidArgs{{buyer, c("token2", 100)}},
bidArgs{buyer, c("token2", 99)},
types.ErrBidTooSmall,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 100),
false,
false,
},
{
"surplus: invalid bid (equal)",
auctionArgs{Surplus, modName, c("token1", 100), c("token2", 0), sdk.Coin{}, []sdk.AccAddress{}, []sdk.Int{}},
nil,
bidArgs{buyer, c("token2", 0)}, // min bid is technically 0 at default 5%, but it's capped at 1
types.ErrBidTooSmall,
types.DistantFuture,
nil, // surplus auctions are created with initial bidder as a nil address
c("token2", 0),
false,
false,
},
{
"surplus: invalid bid (less than min increment)",
auctionArgs{Surplus, modName, c("token1", 100), c("token2", 0), sdk.Coin{}, []sdk.AccAddress{}, []sdk.Int{}},
[]bidArgs{{buyer, c("token2", 100)}},
bidArgs{buyer, c("token2", 104)}, // min bid is 105 at default 5%
types.ErrBidTooSmall,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 100),
false,
false,
},
{
"debt: normal",
auctionArgs{Debt, modName, c("token1", 20), c("token2", 100), c("debt", 100), []sdk.AccAddress{}, []sdk.Int{}}, // initial bid, lot
nil,
bidArgs{buyer, c("token1", 10)},
nil,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 100),
true,
false,
},
{
"debt: second bidder",
auctionArgs{Debt, modName, c("token1", 20), c("token2", 100), c("debt", 100), []sdk.AccAddress{}, []sdk.Int{}}, // initial bid, lot
[]bidArgs{{buyer, c("token1", 10)}},
bidArgs{secondBuyer, c("token1", 9)},
nil,
someTime.Add(types.DefaultBidDuration),
secondBuyer,
c("token2", 100),
true,
false,
},
{
"debt: invalid lot denom",
auctionArgs{Debt, modName, c("token1", 20), c("token2", 100), c("debt", 100), []sdk.AccAddress{}, []sdk.Int{}}, // initial bid, lot
nil,
bidArgs{buyer, c("badtoken", 10)},
types.ErrInvalidLotDenom,
types.DistantFuture,
supply.NewModuleAddress(modName),
c("token2", 100),
false,
false,
},
{
"debt: invalid lot size (larger)",
auctionArgs{Debt, modName, c("token1", 20), c("token2", 100), c("debt", 100), []sdk.AccAddress{}, []sdk.Int{}},
nil,
bidArgs{buyer, c("token1", 21)},
types.ErrLotTooLarge,
types.DistantFuture,
supply.NewModuleAddress(modName),
c("token2", 100),
false,
false,
},
{
"debt: invalid lot size (equal)",
auctionArgs{Debt, modName, c("token1", 20), c("token2", 100), c("debt", 100), []sdk.AccAddress{}, []sdk.Int{}},
nil,
bidArgs{buyer, c("token1", 20)},
types.ErrLotTooLarge,
types.DistantFuture,
supply.NewModuleAddress(modName),
c("token2", 100),
false,
false,
},
{
"debt: invalid lot size (larger than min increment)",
auctionArgs{Debt, modName, c("token1", 60), c("token2", 100), c("debt", 100), []sdk.AccAddress{}, []sdk.Int{}},
nil,
bidArgs{buyer, c("token1", 58)}, // max lot at default 5% is 57
types.ErrLotTooLarge,
types.DistantFuture,
supply.NewModuleAddress(modName),
c("token2", 100),
false, false,
},
{
"collateral [forward]: normal",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 100), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
nil,
bidArgs{buyer, c("token2", 10)},
nil,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 10),
true,
false,
},
{
"collateral [forward]: second bidder",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 100), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
[]bidArgs{{buyer, c("token2", 10)}},
bidArgs{secondBuyer, c("token2", 11)},
nil,
someTime.Add(types.DefaultBidDuration),
secondBuyer,
c("token2", 11),
true,
false,
},
{
"collateral [forward]: invalid bid denom",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 100), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
nil,
bidArgs{buyer, c("badtoken", 10)},
types.ErrInvalidBidDenom,
types.DistantFuture,
nil,
c("token2", 0),
false,
false,
},
{
"collateral [forward]: invalid bid size (smaller)",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 100), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
[]bidArgs{{buyer, c("token2", 10)}},
bidArgs{buyer, c("token2", 9)},
types.ErrBidTooSmall,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 10),
false,
false,
},
{
"collateral [forward]: invalid bid size (equal)",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 100), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
nil,
bidArgs{buyer, c("token2", 0)},
types.ErrBidTooSmall,
types.DistantFuture,
nil,
c("token2", 0),
false,
false,
},
{
"collateral [forward]: invalid bid size (less than min increment)",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 100), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
[]bidArgs{{buyer, c("token2", 50)}},
bidArgs{buyer, c("token2", 51)},
types.ErrBidTooSmall,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 50),
false,
false,
},
{
"collateral [forward]: less than min increment but equal to maxBid",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 100), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
[]bidArgs{{buyer, c("token2", 99)}},
bidArgs{buyer, c("token2", 100)}, // min bid at default 5% is 104
nil,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 100),
true,
false,
},
{
"collateral [forward]: invalid bid size (greater than max)",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 100), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
nil,
bidArgs{buyer, c("token2", 101)},
types.ErrBidTooLarge,
types.DistantFuture,
nil,
c("token2", 0),
false,
false,
},
{
"collateral [reverse]: normal",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 50), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
[]bidArgs{{buyer, c("token2", 50)}}, // put auction into reverse phase
bidArgs{buyer, c("token1", 15)},
nil,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 50),
true,
false,
},
{
"collateral [reverse]: second bidder",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 50), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
[]bidArgs{{buyer, c("token2", 50)}, {buyer, c("token1", 15)}}, // put auction into reverse phase, and add a reverse phase bid
bidArgs{secondBuyer, c("token1", 14)},
nil,
someTime.Add(types.DefaultBidDuration),
secondBuyer,
c("token2", 50),
true,
false,
},
{
"collateral [reverse]: invalid lot denom",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 50), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
[]bidArgs{{buyer, c("token2", 50)}}, // put auction into reverse phase
bidArgs{buyer, c("badtoken", 15)},
types.ErrInvalidLotDenom,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 50),
false,
false,
},
{
"collateral [reverse]: invalid lot size (greater)",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 50), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
[]bidArgs{{buyer, c("token2", 50)}}, // put auction into reverse phase
bidArgs{buyer, c("token1", 21)},
types.ErrLotTooLarge,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 50),
false,
false,
},
{
"collateral [reverse]: invalid lot size (equal)",
auctionArgs{Collateral, modName, c("token1", 20), c("token2", 50), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
[]bidArgs{{buyer, c("token2", 50)}}, // put auction into reverse phase
bidArgs{buyer, c("token1", 20)},
types.ErrLotTooLarge,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 50),
false,
false,
},
{
"collateral [reverse]: invalid lot size (larger than min increment)",
auctionArgs{Collateral, modName, c("token1", 60), c("token2", 50), c("debt", 50), collateralAddrs, collateralWeights}, // lot, max bid
[]bidArgs{{buyer, c("token2", 50)}}, // put auction into reverse phase
bidArgs{buyer, c("token1", 58)}, // max lot at default 5% is 57
types.ErrLotTooLarge,
someTime.Add(types.DefaultBidDuration),
buyer,
c("token2", 50),
false,
false,
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
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// Setup test
tApp := app.NewTestApp()
// Set up seller account
sellerAcc := supply.NewEmptyModuleAccount(modName, supply.Minter, supply.Burner)
require.NoError(t, sellerAcc.SetCoins(cs(c("token1", 1000), c("token2", 1000), c("debt", 1000))))
// Initialize genesis accounts
tApp.InitializeFromGenesisStates(
NewAuthGenStateFromAccs(authexported.GenesisAccounts{
auth.NewBaseAccount(buyer, cs(c("token1", 1000), c("token2", 1000)), nil, 0, 0),
auth.NewBaseAccount(secondBuyer, cs(c("token1", 1000), c("token2", 1000)), nil, 0, 0),
auth.NewBaseAccount(collateralAddrs[0], cs(c("token1", 1000), c("token2", 1000)), nil, 0, 0),
auth.NewBaseAccount(collateralAddrs[1], cs(c("token1", 1000), c("token2", 1000)), nil, 0, 0),
auth.NewBaseAccount(collateralAddrs[2], cs(c("token1", 1000), c("token2", 1000)), nil, 0, 0),
sellerAcc,
}),
)
ctx := tApp.NewContext(false, abci.Header{})
keeper := tApp.GetAuctionKeeper()
bank := tApp.GetBankKeeper()
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// Start Auction
var id uint64
var err error
switch tc.auctionArgs.auctionType {
case Surplus:
if tc.expectPanic {
require.Panics(t, func() {
id, err = keeper.StartSurplusAuction(ctx, tc.auctionArgs.seller, tc.auctionArgs.lot, tc.auctionArgs.bid.Denom)
})
} else {
id, err = keeper.StartSurplusAuction(ctx, tc.auctionArgs.seller, tc.auctionArgs.lot, tc.auctionArgs.bid.Denom)
}
case Debt:
id, err = keeper.StartDebtAuction(ctx, tc.auctionArgs.seller, tc.auctionArgs.bid, tc.auctionArgs.lot, tc.auctionArgs.debt)
case Collateral:
id, err = keeper.StartCollateralAuction(ctx, tc.auctionArgs.seller, tc.auctionArgs.lot, tc.auctionArgs.bid, tc.auctionArgs.addresses, tc.auctionArgs.weights, tc.auctionArgs.debt) // seller, lot, maxBid, otherPerson
default:
t.Fail()
}
require.NoError(t, err)
// Place setup bids
for _, b := range tc.setupBids {
require.NoError(t, keeper.PlaceBid(ctx, id, b.bidder, b.amount))
}
// Close the auction early to test late bidding (if applicable)
if strings.Contains(tc.name, "closed") {
ctx = ctx.WithBlockTime(types.DistantFuture.Add(1))
}
// Store some state for use in checks
oldAuction, found := keeper.GetAuction(ctx, id)
var oldBidder sdk.AccAddress
if found {
oldBidder = oldAuction.GetBidder()
}
oldBidderOldCoins := bank.GetCoins(ctx, oldBidder)
newBidderOldCoins := bank.GetCoins(ctx, tc.bidArgs.bidder)
// Place bid on auction
err = keeper.PlaceBid(ctx, id, tc.bidArgs.bidder, tc.bidArgs.amount)
// Check success/failure
if tc.expectPass {
require.Nil(t, err)
// Check auction was found
newAuction, found := keeper.GetAuction(ctx, id)
require.True(t, found)
// Check auction values
require.Equal(t, modName, newAuction.GetInitiator())
require.Equal(t, tc.expectedBidder, newAuction.GetBidder())
require.Equal(t, tc.expectedBid, newAuction.GetBid())
require.Equal(t, tc.expectedEndTime, newAuction.GetEndTime())
// Check coins have moved between bidder and previous bidder
bidAmt := tc.bidArgs.amount
switch tc.auctionArgs.auctionType {
case Debt:
bidAmt = oldAuction.GetBid()
case Collateral:
collatAuction, ok := oldAuction.(types.CollateralAuction)
require.True(t, ok, tc.name)
if collatAuction.IsReversePhase() {
bidAmt = oldAuction.GetBid()
}
}
if oldBidder.Equals(tc.bidArgs.bidder) { // same bidder
require.Equal(t, newBidderOldCoins.Sub(cs(bidAmt.Sub(oldAuction.GetBid()))), bank.GetCoins(ctx, tc.bidArgs.bidder))
} else {
require.Equal(t, newBidderOldCoins.Sub(cs(bidAmt)), bank.GetCoins(ctx, tc.bidArgs.bidder)) // wrapping in cs() to avoid comparing nil and empty coins
if oldBidder.Equals(supply.NewModuleAddress(oldAuction.GetInitiator())) { // handle checking debt coins for case debt auction has had no bids placed yet TODO make this less confusing
require.Equal(t, oldBidderOldCoins.Add(oldAuction.GetBid()).Add(c("debt", oldAuction.GetBid().Amount.Int64())), bank.GetCoins(ctx, oldBidder))
} else {
require.Equal(t, cs(oldBidderOldCoins.Add(oldAuction.GetBid())...), bank.GetCoins(ctx, oldBidder))
}
}
} else {
// Check expected error code type
require.NotNil(t, err, "PlaceBid did not return an error") // catch nil values before they cause a panic below
require.True(t, errors.Is(err, tc.expectedError))
// Check auction values
newAuction, found := keeper.GetAuction(ctx, id)
if found {
require.Equal(t, modName, newAuction.GetInitiator())
require.Equal(t, tc.expectedBidder, newAuction.GetBidder())
require.Equal(t, tc.expectedBid, newAuction.GetBid())
require.Equal(t, tc.expectedEndTime, newAuction.GetEndTime())
}
// Check coins have not moved
require.Equal(t, newBidderOldCoins, bank.GetCoins(ctx, tc.bidArgs.bidder))
require.Equal(t, oldBidderOldCoins, bank.GetCoins(ctx, oldBidder))
}
})
}
}