0g-chain/x/cdp/keeper/draw_test.go

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package keeper_test
import (
"errors"
"testing"
"time"
"github.com/stretchr/testify/suite"
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sdk "github.com/cosmos/cosmos-sdk/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"
"github.com/kava-labs/kava/x/cdp/keeper"
"github.com/kava-labs/kava/x/cdp/types"
)
type DrawTestSuite struct {
suite.Suite
keeper keeper.Keeper
app app.TestApp
ctx sdk.Context
addrs []sdk.AccAddress
}
func (suite *DrawTestSuite) SetupTest() {
tApp := app.NewTestApp()
ctx := tApp.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
cdc := tApp.AppCodec()
_, addrs := app.GeneratePrivKeyAddressPairs(3)
coins := []sdk.Coins{
cs(c("xrp", 500000000), c("btc", 500000000), c("usdx", 10000000000)),
cs(c("xrp", 200000000)),
cs(c("xrp", 10000000000000), c("usdx", 100000000000)),
}
authGS := app.NewFundedGenStateWithCoins(cdc, coins, addrs)
tApp.InitializeFromGenesisStates(
authGS,
NewPricefeedGenStateMulti(cdc),
NewCDPGenStateMulti(cdc),
)
keeper := tApp.GetCDPKeeper()
suite.app = tApp
suite.keeper = keeper
suite.ctx = ctx
suite.addrs = addrs
err := suite.keeper.AddCdp(suite.ctx, addrs[0], c("xrp", 400000000), c("usdx", 10000000), "xrp-a")
suite.NoError(err)
}
func (suite *DrawTestSuite) TestAddRepayPrincipal() {
err := suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("usdx", 10000000))
suite.NoError(err)
t, found := suite.keeper.GetCDP(suite.ctx, "xrp-a", uint64(1))
suite.True(found)
suite.Equal(c("usdx", 20000000), t.Principal)
ctd := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, t.Collateral, "xrp-a", t.Principal.Add(t.AccumulatedFees))
suite.Equal(d("20.0"), ctd)
ts := suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("20.0"))
suite.Equal(0, len(ts))
ts = suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("20.0").Add(sdk.SmallestDec()))
suite.Equal(ts[0], t)
tp := suite.keeper.GetTotalPrincipal(suite.ctx, "xrp-a", "usdx")
suite.Equal(i(20000000), tp)
ak := suite.app.GetAccountKeeper()
bk := suite.app.GetBankKeeper()
acc := ak.GetModuleAccount(suite.ctx, types.ModuleName)
suite.Equal(cs(c("xrp", 400000000), c("debt", 20000000)), bk.GetAllBalances(suite.ctx, acc.GetAddress()))
err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("susd", 10000000))
suite.Require().True(errors.Is(err, types.ErrInvalidDebtRequest))
err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[1], "xrp-a", c("usdx", 10000000))
suite.Require().True(errors.Is(err, types.ErrCdpNotFound))
err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("xusd", 10000000))
suite.Require().True(errors.Is(err, types.ErrInvalidDebtRequest))
err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("usdx", 311000000))
suite.Require().True(errors.Is(err, types.ErrInvalidCollateralRatio))
err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("usdx", 10000000))
suite.NoError(err)
t, found = suite.keeper.GetCDP(suite.ctx, "xrp-a", uint64(1))
suite.True(found)
suite.Equal(c("usdx", 10000000), t.Principal)
ctd = suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, t.Collateral, "xrp-a", t.Principal.Add(t.AccumulatedFees))
suite.Equal(d("40.0"), ctd)
ts = suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("40.0"))
suite.Equal(0, len(ts))
ts = suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("40.0").Add(sdk.SmallestDec()))
suite.Equal(ts[0], t)
ak = suite.app.GetAccountKeeper()
bk = suite.app.GetBankKeeper()
acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
suite.Equal(cs(c("xrp", 400000000), c("debt", 10000000)), bk.GetAllBalances(suite.ctx, acc.GetAddress()))
err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("xusd", 10000000))
suite.Require().True(errors.Is(err, types.ErrInvalidPayment))
err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[1], "xrp-a", c("xusd", 10000000))
suite.Require().True(errors.Is(err, types.ErrCdpNotFound))
err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("usdx", 9000000))
suite.Require().True(errors.Is(err, types.ErrBelowDebtFloor))
err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("usdx", 10000000))
suite.NoError(err)
_, found = suite.keeper.GetCDP(suite.ctx, "xrp-a", uint64(1))
suite.False(found)
ts = suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", types.MaxSortableDec)
suite.Equal(0, len(ts))
ts = suite.keeper.GetAllCdpsByCollateralType(suite.ctx, "xrp-a")
suite.Equal(0, len(ts))
ak = suite.app.GetAccountKeeper()
bk = suite.app.GetBankKeeper()
acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
suite.Equal(sdk.Coins{}, bk.GetAllBalances(suite.ctx, acc.GetAddress()))
}
func (suite *DrawTestSuite) TestRepayPrincipalOverpay() {
err := suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp-a", c("usdx", 20000000))
suite.NoError(err)
ak := suite.app.GetAccountKeeper()
bk := suite.app.GetBankKeeper()
acc := ak.GetAccount(suite.ctx, suite.addrs[0])
suite.Equal(i(10000000000), (bk.GetBalance(suite.ctx, acc.GetAddress(), "usdx")).Amount)
_, found := suite.keeper.GetCDP(suite.ctx, "xrp-a", 1)
suite.False(found)
}
func (suite *DrawTestSuite) TestPricefeedFailure() {
ctx := suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Hour * 2))
pfk := suite.app.GetPriceFeedKeeper()
err := pfk.SetCurrentPrices(ctx, "xrp:usd")
suite.Error(err)
err = suite.keeper.AddPrincipal(ctx, suite.addrs[0], "xrp-a", c("usdx", 10000000))
suite.Error(err)
err = suite.keeper.RepayPrincipal(ctx, suite.addrs[0], "xrp-a", c("usdx", 10000000))
suite.NoError(err)
}
func (suite *DrawTestSuite) TestModuleAccountFailure() {
ctx := suite.ctx.WithBlockHeader(suite.ctx.BlockHeader())
ak := suite.app.GetAccountKeeper()
bk := suite.app.GetBankKeeper()
acc := ak.GetModuleAccount(ctx, types.ModuleName)
// Remove module account balance
ak.RemoveAccount(ctx, acc)
// Also need to burn coins as account keeper no longer stores balances
err := bk.BurnCoins(ctx, types.ModuleName, bk.GetAllBalances(ctx, acc.GetAddress()))
suite.Require().NoError(err)
suite.Panics(func() {
// Error ignored here since this should panic
_ = suite.keeper.RepayPrincipal(ctx, suite.addrs[0], "xrp-a", c("usdx", 10000000))
})
}
func TestDrawTestSuite(t *testing.T) {
suite.Run(t, new(DrawTestSuite))
}