0g-chain/x/cdp/abci_test.go

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package cdp_test
import (
"math/rand"
"testing"
"time"
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"github.com/stretchr/testify/suite"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/simulation"
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abci "github.com/tendermint/tendermint/abci/types"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
tmtime "github.com/tendermint/tendermint/types/time"
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"github.com/kava-labs/kava/app"
auctiontypes "github.com/kava-labs/kava/x/auction/types"
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"github.com/kava-labs/kava/x/cdp"
"github.com/kava-labs/kava/x/cdp/keeper"
"github.com/kava-labs/kava/x/cdp/types"
)
type ModuleTestSuite struct {
suite.Suite
keeper keeper.Keeper
addrs []sdk.AccAddress
app app.TestApp
cdps types.CDPs
ctx sdk.Context
liquidations liquidationTracker
}
type liquidationTracker struct {
xrp []uint64
btc []uint64
debt int64
}
func (suite *ModuleTestSuite) SetupTest() {
tApp := app.NewTestApp()
ctx := tApp.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
tracker := liquidationTracker{}
coins := cs(c("btc", 100000000), c("xrp", 10000000000))
_, addrs := app.GeneratePrivKeyAddressPairs(100)
authGS := app.NewFundedGenStateWithSameCoins(tApp.AppCodec(), coins, addrs)
tApp.InitializeFromGenesisStates(
authGS,
NewPricefeedGenStateMulti(tApp.AppCodec()),
NewCDPGenStateMulti(tApp.AppCodec()),
)
suite.ctx = ctx
suite.app = tApp
suite.keeper = tApp.GetCDPKeeper()
suite.cdps = types.CDPs{}
suite.addrs = addrs
suite.liquidations = tracker
}
func (suite *ModuleTestSuite) createCdps() {
tApp := app.NewTestApp()
ctx := tApp.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
cdps := make(types.CDPs, 100)
tracker := liquidationTracker{}
coins := cs(c("btc", 100000000), c("xrp", 10000000000))
_, addrs := app.GeneratePrivKeyAddressPairs(100)
authGS := app.NewFundedGenStateWithSameCoins(tApp.AppCodec(), coins, addrs)
tApp.InitializeFromGenesisStates(
authGS,
NewPricefeedGenStateMulti(tApp.AppCodec()),
NewCDPGenStateMulti(tApp.AppCodec()),
)
suite.ctx = ctx
suite.app = tApp
suite.keeper = tApp.GetCDPKeeper()
for j := 0; j < 100; j++ {
collateral := "xrp"
amount := 10000000000
debt := simulation.RandIntBetween(rand.New(rand.NewSource(int64(j))), 750000000, 1249000000)
if j%2 == 0 {
collateral = "btc"
amount = 100000000
debt = simulation.RandIntBetween(rand.New(rand.NewSource(int64(j))), 2700000000, 5332000000)
if debt >= 4000000000 {
tracker.btc = append(tracker.btc, uint64(j+1))
tracker.debt += int64(debt)
}
} else {
if debt >= 1000000000 {
tracker.xrp = append(tracker.xrp, uint64(j+1))
tracker.debt += int64(debt)
}
}
suite.Nil(suite.keeper.AddCdp(suite.ctx, addrs[j], c(collateral, int64(amount)), c("usdx", int64(debt)), collateral+"-a"))
c, f := suite.keeper.GetCDP(suite.ctx, collateral+"-a", uint64(j+1))
suite.True(f)
cdps[j] = c
}
suite.cdps = cdps
suite.addrs = addrs
suite.liquidations = tracker
}
func (suite *ModuleTestSuite) setPrice(price sdk.Dec, market string) {
pfKeeper := suite.app.GetPriceFeedKeeper()
_, err := pfKeeper.SetPrice(suite.ctx, sdk.AccAddress{}, market, price, suite.ctx.BlockTime().Add(time.Hour*3))
suite.NoError(err)
err = pfKeeper.SetCurrentPrices(suite.ctx, market)
suite.NoError(err)
pp, err := pfKeeper.GetCurrentPrice(suite.ctx, market)
suite.NoError(err)
suite.Equal(price, pp.Price)
}
func (suite *ModuleTestSuite) TestBeginBlock() {
suite.createCdps()
ak := suite.app.GetAccountKeeper()
bk := suite.app.GetBankKeeper()
acc := ak.GetModuleAccount(suite.ctx, types.ModuleName)
originalXrpCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "xrp").Amount
suite.setPrice(d("0.2"), "xrp:usd")
cdp.BeginBlocker(suite.ctx, abci.RequestBeginBlock{Header: suite.ctx.BlockHeader()}, suite.keeper)
acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
finalXrpCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "xrp").Amount
seizedXrpCollateral := originalXrpCollateral.Sub(finalXrpCollateral)
xrpLiquidations := int(seizedXrpCollateral.Quo(i(10000000000)).Int64())
suite.Equal(10, xrpLiquidations)
acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
originalBtcCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "btc").Amount
suite.setPrice(d("6000"), "btc:usd")
cdp.BeginBlocker(suite.ctx, abci.RequestBeginBlock{Header: suite.ctx.BlockHeader()}, suite.keeper)
acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
finalBtcCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "btc").Amount
seizedBtcCollateral := originalBtcCollateral.Sub(finalBtcCollateral)
btcLiquidations := int(seizedBtcCollateral.Quo(i(100000000)).Int64())
suite.Equal(10, btcLiquidations)
acc = ak.GetModuleAccount(suite.ctx, auctiontypes.ModuleName)
suite.Equal(int64(71955653865), bk.GetBalance(suite.ctx, acc.GetAddress(), "debt").Amount.Int64())
}
func (suite *ModuleTestSuite) TestSeizeSingleCdpWithFees() {
err := suite.keeper.AddCdp(suite.ctx, suite.addrs[0], c("xrp", 10000000000), c("usdx", 1000000000), "xrp-a")
suite.NoError(err)
suite.Equal(i(1000000000), suite.keeper.GetTotalPrincipal(suite.ctx, "xrp-a", "usdx"))
ak := suite.app.GetAccountKeeper()
bk := suite.app.GetBankKeeper()
cdpMacc := ak.GetModuleAccount(suite.ctx, types.ModuleName)
suite.Equal(i(1000000000), bk.GetBalance(suite.ctx, cdpMacc.GetAddress(), "debt").Amount)
for i := 0; i < 100; i++ {
suite.ctx = suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Second * 6))
cdp.BeginBlocker(suite.ctx, abci.RequestBeginBlock{Header: suite.ctx.BlockHeader()}, suite.keeper)
}
cdpMacc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
suite.Equal(i(1000000891), (bk.GetBalance(suite.ctx, cdpMacc.GetAddress(), "debt").Amount))
cdp, _ := suite.keeper.GetCDP(suite.ctx, "xrp-a", 1)
err = suite.keeper.SeizeCollateral(suite.ctx, cdp)
suite.NoError(err)
_, found := suite.keeper.GetCDP(suite.ctx, "xrp-a", 1)
suite.False(found)
}
func TestModuleTestSuite(t *testing.T) {
suite.Run(t, new(ModuleTestSuite))
}