0g-chain/x/cdp/keeper/draw_test.go
2020-04-30 10:23:41 -04:00

187 lines
7.1 KiB
Go

package keeper_test
import (
"errors"
"testing"
"time"
"github.com/stretchr/testify/suite"
sdk "github.com/cosmos/cosmos-sdk/types"
abci "github.com/tendermint/tendermint/abci/types"
tmtime "github.com/tendermint/tendermint/types/time"
"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, abci.Header{Height: 1, Time: tmtime.Now()})
_, addrs := app.GeneratePrivKeyAddressPairs(3)
authGS := app.NewAuthGenState(
addrs,
[]sdk.Coins{
cs(c("xrp", 500000000), c("btc", 500000000), c("usdx", 10000000000)),
cs(c("xrp", 200000000)),
cs(c("xrp", 10000000000000), c("usdx", 100000000000))})
tApp.InitializeFromGenesisStates(
authGS,
NewPricefeedGenStateMulti(),
NewCDPGenStateMulti(),
)
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))
suite.NoError(err)
}
func (suite *DrawTestSuite) TestAddRepayPrincipal() {
err := suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp", c("usdx", 10000000))
suite.NoError(err)
t, found := suite.keeper.GetCDP(suite.ctx, "xrp", uint64(1))
suite.True(found)
suite.Equal(c("usdx", 20000000), t.Principal)
ctd := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, t.Collateral, t.Principal.Add(t.AccumulatedFees))
suite.Equal(d("20.0"), ctd)
ts := suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("20.0"))
suite.Equal(0, len(ts))
ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("20.0").Add(sdk.SmallestDec()))
suite.Equal(ts[0], t)
tp := suite.keeper.GetTotalPrincipal(suite.ctx, "xrp", "usdx")
suite.Equal(i(20000000), tp)
sk := suite.app.GetSupplyKeeper()
acc := sk.GetModuleAccount(suite.ctx, types.ModuleName)
suite.Equal(cs(c("xrp", 400000000), c("debt", 20000000)), acc.GetCoins())
err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp", c("susd", 10000000))
suite.Require().True(errors.Is(err, types.ErrInvalidDebtRequest))
err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[1], "xrp", c("usdx", 10000000))
suite.Require().True(errors.Is(err, types.ErrCdpNotFound))
err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp", c("xusd", 10000000))
suite.Require().True(errors.Is(err, types.ErrInvalidDebtRequest))
err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp", c("usdx", 311000000))
suite.Require().True(errors.Is(err, types.ErrInvalidCollateralRatio))
err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", c("usdx", 10000000))
suite.NoError(err)
t, found = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(1))
suite.True(found)
suite.Equal(c("usdx", 10000000), t.Principal)
ctd = suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, t.Collateral, t.Principal.Add(t.AccumulatedFees))
suite.Equal(d("40.0"), ctd)
ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("40.0"))
suite.Equal(0, len(ts))
ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("40.0").Add(sdk.SmallestDec()))
suite.Equal(ts[0], t)
sk = suite.app.GetSupplyKeeper()
acc = sk.GetModuleAccount(suite.ctx, types.ModuleName)
suite.Equal(cs(c("xrp", 400000000), c("debt", 10000000)), acc.GetCoins())
err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", c("xusd", 10000000))
suite.Require().True(errors.Is(err, types.ErrInvalidPayment))
err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[1], "xrp", c("xusd", 10000000))
suite.Require().True(errors.Is(err, types.ErrCdpNotFound))
err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", c("usdx", 9000000))
suite.Require().True(errors.Is(err, types.ErrBelowDebtFloor))
err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", c("usdx", 10000000))
suite.NoError(err)
_, found = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(1))
suite.False(found)
ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", types.MaxSortableDec)
suite.Equal(0, len(ts))
ts = suite.keeper.GetAllCdpsByDenom(suite.ctx, "xrp")
suite.Equal(0, len(ts))
sk = suite.app.GetSupplyKeeper()
acc = sk.GetModuleAccount(suite.ctx, types.ModuleName)
suite.Equal(sdk.Coins(nil), acc.GetCoins())
}
func (suite *DrawTestSuite) TestRepayPrincipalOverpay() {
err := suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", c("usdx", 20000000))
suite.NoError(err)
ak := suite.app.GetAccountKeeper()
acc := ak.GetAccount(suite.ctx, suite.addrs[0])
suite.Equal(i(10000000000), (acc.GetCoins().AmountOf("usdx")))
_, found := suite.keeper.GetCDP(suite.ctx, "xrp", 1)
suite.False(found)
}
func (suite *DrawTestSuite) TestAddRepayPrincipalFees() {
err := suite.keeper.AddCdp(suite.ctx, suite.addrs[2], c("xrp", 1000000000000), c("usdx", 100000000000))
suite.NoError(err)
suite.ctx = suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Minute * 10))
err = suite.keeper.UpdateFeesForAllCdps(suite.ctx, "xrp")
suite.NoError(err)
err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[2], "xrp", c("usdx", 10000000))
suite.NoError(err)
t, _ := suite.keeper.GetCDP(suite.ctx, "xrp", uint64(2))
suite.Equal(c("usdx", 92827), t.AccumulatedFees)
err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[2], "xrp", c("usdx", 100))
suite.NoError(err)
t, _ = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(2))
suite.Equal(c("usdx", 92727), t.AccumulatedFees)
err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[2], "xrp", c("usdx", 100010092727))
suite.NoError(err)
_, f := suite.keeper.GetCDP(suite.ctx, "xrp", uint64(2))
suite.False(f)
err = suite.keeper.AddCdp(suite.ctx, suite.addrs[2], c("xrp", 1000000000000), c("usdx", 100000000))
suite.NoError(err)
suite.ctx = suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Second * 31536000)) // move forward one year in time
err = suite.keeper.UpdateFeesForAllCdps(suite.ctx, "xrp")
suite.NoError(err)
err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[2], "xrp", c("usdx", 100000000))
suite.NoError(err)
t, _ = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(3))
suite.Equal(c("usdx", 5000000), t.AccumulatedFees)
}
func (suite *DrawTestSuite) TestPricefeedFailure() {
ctx := suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Hour * 2))
pfk := suite.app.GetPriceFeedKeeper()
pfk.SetCurrentPrices(ctx, "xrp:usd")
err := suite.keeper.AddPrincipal(ctx, suite.addrs[0], "xrp", c("usdx", 10000000))
suite.Error(err)
err = suite.keeper.RepayPrincipal(ctx, suite.addrs[0], "xrp", c("usdx", 10000000))
suite.NoError(err)
}
func (suite *DrawTestSuite) TestModuleAccountFailure() {
suite.Panics(func() {
ctx := suite.ctx.WithBlockHeader(suite.ctx.BlockHeader())
sk := suite.app.GetSupplyKeeper()
acc := sk.GetModuleAccount(ctx, types.ModuleName)
ak := suite.app.GetAccountKeeper()
ak.RemoveAccount(ctx, acc)
suite.keeper.RepayPrincipal(ctx, suite.addrs[0], "xrp", c("usdx", 10000000))
})
}
func TestDrawTestSuite(t *testing.T) {
suite.Run(t, new(DrawTestSuite))
}