0g-chain/x/cdp/keeper/draw_test.go
Kevin Davis c63ecf908a
Cdp accumulators (#751)
* Add 'InterestFactor' to CDP type (#734)

* update cdp type to include interest factor

* fix build

* Add cdp accumulator methods (#735)

* remame fees to interest

* add accumulate interest method

* add basic test

* add note

* address review comments

* update tests

* Add sync cdp interest method (#737)

* remame fees to interest

* add accumulate interest method

* add basic test

* add note

* address review comments

* update tests

* remove old fee functions

* add method to synchronize cdp interest

* add multi-cdp tests

* add test with many blocks

* add test for interest getter

* address review comments

* calculate time difference then convert to seconds

* fix: update collateral index when syncing interest

* fix: differentiate between case when apy is zero and all fees are being rounded to zero

* fix: round time difference properly

* update cdp genesis state and migrations (#738)

* remame fees to interest

* add accumulate interest method

* add basic test

* add note

* address review comments

* update tests

* remove old fee functions

* add method to synchronize cdp interest

* add multi-cdp tests

* add test with many blocks

* add test for interest getter

* update cdp genesis state and migrations

* address review comments

* calculate time difference then convert to seconds

* fix: update collateral index when syncing interest

* fix: differentiate between case when apy is zero and all fees are being rounded to zero

* fix: simplify add/remove/update collateral index

* update genesis state to include total principal amounts

* update migration

* Delete kava-4-cdp-state-block-500000.json

* Add cdp liquidations by external keeper (#750)

* feat: split liquidations between external keepers and automated begin blocker

* address review comments

* USDX incentive accumulators (#752)

* feat: split liquidations between external keepers and automated begin blocker

* wip: refactor usdx minting incentives to use accumulators/hooks

* wip: refactor usdx minting claim object

* feat: use accumulators/hooks for usdx minting rewards

* fix: get tests passing

* fix: don't create claim objects unless that cdp type is eligable for rewards

* add begin blocker

* update client

* cleanup comments/tests

* update querier

* address review comments

* fix: check for division by zero

* address review comments

* run hook before interest is synced

* Remove savings rate (#764)

* remove savings rate

* remove savings rate from debt param

* update migrations

* address review comments

* Add usdx incentives calculation test (#765)

* add usdx incentive calculation test

* update reward calculation

* add allowable error to test criteria

* Update x/incentive/keeper/rewards_test.go

Co-authored-by: Kevin Davis <karzak@users.noreply.github.com>

* fix: remove old fields from test genesis state

Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com>

Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com>
2021-01-18 12:12:37 -07:00

156 lines
5.8 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), "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)
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-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)
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-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))
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-a", 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-a", 1)
suite.False(found)
}
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-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() {
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-a", c("usdx", 10000000))
})
}
func TestDrawTestSuite(t *testing.T) {
suite.Run(t, new(DrawTestSuite))
}