0g-chain/x/cdp/keeper/cdp_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

324 lines
14 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 CdpTestSuite struct {
suite.Suite
keeper keeper.Keeper
app app.TestApp
ctx sdk.Context
}
func (suite *CdpTestSuite) SetupTest() {
config := sdk.GetConfig()
app.SetBech32AddressPrefixes(config)
tApp := app.NewTestApp()
ctx := tApp.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()})
tApp.InitializeFromGenesisStates(
NewPricefeedGenStateMulti(),
NewCDPGenStateMulti(),
)
keeper := tApp.GetCDPKeeper()
suite.app = tApp
suite.ctx = ctx
suite.keeper = keeper
return
}
func (suite *CdpTestSuite) TestAddCdp() {
_, addrs := app.GeneratePrivKeyAddressPairs(2)
ak := suite.app.GetAccountKeeper()
acc := ak.NewAccountWithAddress(suite.ctx, addrs[0])
acc.SetCoins(cs(c("xrp", 200000000), c("btc", 500000000)))
ak.SetAccount(suite.ctx, acc)
err := suite.keeper.AddCdp(suite.ctx, addrs[0], c("xrp", 200000000), c("usdx", 10000000), "btc-a")
suite.Require().True(errors.Is(err, types.ErrInvalidCollateral))
err = suite.keeper.AddCdp(suite.ctx, addrs[0], c("xrp", 200000000), c("usdx", 26000000), "xrp-a")
suite.Require().True(errors.Is(err, types.ErrInvalidCollateralRatio))
err = suite.keeper.AddCdp(suite.ctx, addrs[0], c("xrp", 500000000), c("usdx", 26000000), "xrp-a")
suite.Error(err) // insufficient balance
err = suite.keeper.AddCdp(suite.ctx, addrs[0], c("xrp", 200000000), c("xusd", 10000000), "xrp-a")
suite.Require().True(errors.Is(err, types.ErrDebtNotSupported))
acc2 := ak.NewAccountWithAddress(suite.ctx, addrs[1])
acc2.SetCoins(cs(c("btc", 500000000000)))
ak.SetAccount(suite.ctx, acc2)
err = suite.keeper.AddCdp(suite.ctx, addrs[1], c("btc", 500000000000), c("usdx", 500000000001), "btc-a")
suite.Require().True(errors.Is(err, types.ErrExceedsDebtLimit))
ctx := suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Hour * 2))
pk := suite.app.GetPriceFeedKeeper()
err = pk.SetCurrentPrices(ctx, "xrp:usd")
suite.Error(err)
ok := suite.keeper.UpdatePricefeedStatus(ctx, "xrp:usd")
suite.False(ok)
err = suite.keeper.AddCdp(ctx, addrs[0], c("xrp", 100000000), c("usdx", 10000000), "xrp-a")
suite.Require().True(errors.Is(err, types.ErrPricefeedDown))
err = pk.SetCurrentPrices(suite.ctx, "xrp:usd")
ok = suite.keeper.UpdatePricefeedStatus(suite.ctx, "xrp:usd")
suite.True(ok)
suite.NoError(err)
err = suite.keeper.AddCdp(suite.ctx, addrs[0], c("xrp", 100000000), c("usdx", 10000000), "xrp-a")
suite.NoError(err)
id := suite.keeper.GetNextCdpID(suite.ctx)
suite.Equal(uint64(2), id)
tp := suite.keeper.GetTotalPrincipal(suite.ctx, "xrp-a", "usdx")
suite.Equal(i(10000000), tp)
sk := suite.app.GetSupplyKeeper()
macc := sk.GetModuleAccount(suite.ctx, types.ModuleName)
suite.Equal(cs(c("debt", 10000000), c("xrp", 100000000)), macc.GetCoins())
acc = ak.GetAccount(suite.ctx, addrs[0])
suite.Equal(cs(c("usdx", 10000000), c("xrp", 100000000), c("btc", 500000000)), acc.GetCoins())
err = suite.keeper.AddCdp(suite.ctx, addrs[0], c("btc", 500000000), c("usdx", 26667000000), "btc-a")
suite.Require().True(errors.Is(err, types.ErrInvalidCollateralRatio))
err = suite.keeper.AddCdp(suite.ctx, addrs[0], c("btc", 500000000), c("usdx", 100000000), "btc-a")
suite.NoError(err)
id = suite.keeper.GetNextCdpID(suite.ctx)
suite.Equal(uint64(3), id)
tp = suite.keeper.GetTotalPrincipal(suite.ctx, "btc-a", "usdx")
suite.Equal(i(100000000), tp)
macc = sk.GetModuleAccount(suite.ctx, types.ModuleName)
suite.Equal(cs(c("debt", 110000000), c("xrp", 100000000), c("btc", 500000000)), macc.GetCoins())
acc = ak.GetAccount(suite.ctx, addrs[0])
suite.Equal(cs(c("usdx", 110000000), c("xrp", 100000000)), acc.GetCoins())
err = suite.keeper.AddCdp(suite.ctx, addrs[0], c("lol", 100), c("usdx", 10), "lol-a")
suite.Require().True(errors.Is(err, types.ErrCollateralNotSupported))
err = suite.keeper.AddCdp(suite.ctx, addrs[0], c("xrp", 100), c("usdx", 10), "xrp-a")
suite.Require().True(errors.Is(err, types.ErrCdpAlreadyExists))
}
func (suite *CdpTestSuite) TestGetSetCollateralTypeByte() {
_, found := suite.keeper.GetCollateralTypePrefix(suite.ctx, "lol-a")
suite.False(found)
db, found := suite.keeper.GetCollateralTypePrefix(suite.ctx, "xrp-a")
suite.True(found)
suite.Equal(byte(0x20), db)
}
func (suite *CdpTestSuite) TestGetDebtDenom() {
suite.Panics(func() { suite.keeper.SetDebtDenom(suite.ctx, "") })
t := suite.keeper.GetDebtDenom(suite.ctx)
suite.Equal("debt", t)
suite.keeper.SetDebtDenom(suite.ctx, "lol")
t = suite.keeper.GetDebtDenom(suite.ctx)
suite.Equal("lol", t)
}
func (suite *CdpTestSuite) TestGetNextCdpID() {
id := suite.keeper.GetNextCdpID(suite.ctx)
suite.Equal(types.DefaultCdpStartingID, id)
}
func (suite *CdpTestSuite) TestGetSetCdp() {
_, addrs := app.GeneratePrivKeyAddressPairs(1)
cdp := types.NewCDP(types.DefaultCdpStartingID, addrs[0], c("xrp", 1), "xrp-a", c("usdx", 1), tmtime.Canonical(time.Now()), sdk.OneDec())
err := suite.keeper.SetCDP(suite.ctx, cdp)
suite.NoError(err)
t, found := suite.keeper.GetCDP(suite.ctx, "xrp-a", types.DefaultCdpStartingID)
suite.True(found)
suite.Equal(cdp, t)
_, found = suite.keeper.GetCDP(suite.ctx, "xrp-a", uint64(2))
suite.False(found)
suite.keeper.DeleteCDP(suite.ctx, cdp)
_, found = suite.keeper.GetCDP(suite.ctx, "btc-a", types.DefaultCdpStartingID)
suite.False(found)
}
func (suite *CdpTestSuite) TestGetSetCdpId() {
_, addrs := app.GeneratePrivKeyAddressPairs(2)
cdp := types.NewCDP(types.DefaultCdpStartingID, addrs[0], c("xrp", 1), "xrp-a", c("usdx", 1), tmtime.Canonical(time.Now()), sdk.OneDec())
err := suite.keeper.SetCDP(suite.ctx, cdp)
suite.NoError(err)
suite.keeper.IndexCdpByOwner(suite.ctx, cdp)
id, found := suite.keeper.GetCdpID(suite.ctx, addrs[0], "xrp-a")
suite.True(found)
suite.Equal(types.DefaultCdpStartingID, id)
_, found = suite.keeper.GetCdpID(suite.ctx, addrs[0], "lol-a")
suite.False(found)
_, found = suite.keeper.GetCdpID(suite.ctx, addrs[1], "xrp-a")
suite.False(found)
}
func (suite *CdpTestSuite) TestGetSetCdpByOwnerAndCollateralType() {
_, addrs := app.GeneratePrivKeyAddressPairs(2)
cdp := types.NewCDP(types.DefaultCdpStartingID, addrs[0], c("xrp", 1), "xrp-a", c("usdx", 1), tmtime.Canonical(time.Now()), sdk.OneDec())
err := suite.keeper.SetCDP(suite.ctx, cdp)
suite.NoError(err)
suite.keeper.IndexCdpByOwner(suite.ctx, cdp)
t, found := suite.keeper.GetCdpByOwnerAndCollateralType(suite.ctx, addrs[0], "xrp-a")
suite.True(found)
suite.Equal(cdp, t)
_, found = suite.keeper.GetCdpByOwnerAndCollateralType(suite.ctx, addrs[0], "lol-a")
suite.False(found)
_, found = suite.keeper.GetCdpByOwnerAndCollateralType(suite.ctx, addrs[1], "xrp-a")
suite.False(found)
suite.NotPanics(func() { suite.keeper.IndexCdpByOwner(suite.ctx, cdp) })
}
func (suite *CdpTestSuite) TestCalculateCollateralToDebtRatio() {
_, addrs := app.GeneratePrivKeyAddressPairs(1)
cdp := types.NewCDP(types.DefaultCdpStartingID, addrs[0], c("xrp", 3), "xrp-a", c("usdx", 1), tmtime.Canonical(time.Now()), sdk.OneDec())
cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, cdp.Collateral, cdp.Type, cdp.Principal)
suite.Equal(sdk.MustNewDecFromStr("3.0"), cr)
cdp = types.NewCDP(types.DefaultCdpStartingID, addrs[0], c("xrp", 1), "xrp-a", c("usdx", 2), tmtime.Canonical(time.Now()), sdk.OneDec())
cr = suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, cdp.Collateral, cdp.Type, cdp.Principal)
suite.Equal(sdk.MustNewDecFromStr("0.5"), cr)
}
func (suite *CdpTestSuite) TestSetCdpByCollateralRatio() {
_, addrs := app.GeneratePrivKeyAddressPairs(1)
cdp := types.NewCDP(types.DefaultCdpStartingID, addrs[0], c("xrp", 3), "xrp-a", c("usdx", 1), tmtime.Canonical(time.Now()), sdk.OneDec())
cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, cdp.Collateral, cdp.Type, cdp.Principal)
suite.NotPanics(func() { suite.keeper.IndexCdpByCollateralRatio(suite.ctx, cdp.Type, cdp.ID, cr) })
}
func (suite *CdpTestSuite) TestIterateCdps() {
cdps := cdps()
for _, c := range cdps {
err := suite.keeper.SetCDP(suite.ctx, c)
suite.NoError(err)
suite.keeper.IndexCdpByOwner(suite.ctx, c)
cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, c.Collateral, c.Type, c.Principal)
suite.keeper.IndexCdpByCollateralRatio(suite.ctx, c.Type, c.ID, cr)
}
t := suite.keeper.GetAllCdps(suite.ctx)
suite.Equal(4, len(t))
}
func (suite *CdpTestSuite) TestIterateCdpsByCollateralType() {
cdps := cdps()
for _, c := range cdps {
err := suite.keeper.SetCDP(suite.ctx, c)
suite.NoError(err)
suite.keeper.IndexCdpByOwner(suite.ctx, c)
cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, c.Collateral, c.Type, c.Principal)
suite.keeper.IndexCdpByCollateralRatio(suite.ctx, c.Type, c.ID, cr)
}
xrpCdps := suite.keeper.GetAllCdpsByCollateralType(suite.ctx, "xrp-a")
suite.Equal(3, len(xrpCdps))
btcCdps := suite.keeper.GetAllCdpsByCollateralType(suite.ctx, "btc-a")
suite.Equal(1, len(btcCdps))
suite.keeper.DeleteCDP(suite.ctx, cdps[0])
suite.keeper.RemoveCdpOwnerIndex(suite.ctx, cdps[0])
xrpCdps = suite.keeper.GetAllCdpsByCollateralType(suite.ctx, "xrp-a")
suite.Equal(2, len(xrpCdps))
suite.keeper.DeleteCDP(suite.ctx, cdps[1])
suite.keeper.RemoveCdpOwnerIndex(suite.ctx, cdps[1])
ids, found := suite.keeper.GetCdpIdsByOwner(suite.ctx, cdps[1].Owner)
suite.True(found)
suite.Equal(1, len(ids))
suite.Equal(uint64(3), ids[0])
}
func (suite *CdpTestSuite) TestIterateCdpsByCollateralRatio() {
cdps := cdps()
for _, c := range cdps {
err := suite.keeper.SetCDP(suite.ctx, c)
suite.NoError(err)
suite.keeper.IndexCdpByOwner(suite.ctx, c)
cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, c.Collateral, c.Type, c.Principal)
suite.keeper.IndexCdpByCollateralRatio(suite.ctx, c.Type, c.ID, cr)
}
xrpCdps := suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("1.25"))
suite.Equal(0, len(xrpCdps))
xrpCdps = suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("1.25").Add(sdk.SmallestDec()))
suite.Equal(1, len(xrpCdps))
xrpCdps = suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("2.0").Add(sdk.SmallestDec()))
suite.Equal(2, len(xrpCdps))
xrpCdps = suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("100.0").Add(sdk.SmallestDec()))
suite.Equal(3, len(xrpCdps))
suite.keeper.DeleteCDP(suite.ctx, cdps[0])
suite.keeper.RemoveCdpOwnerIndex(suite.ctx, cdps[0])
cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, cdps[0].Collateral, cdps[0].Type, cdps[0].Principal)
suite.keeper.RemoveCdpCollateralRatioIndex(suite.ctx, cdps[0].Type, cdps[0].ID, cr)
xrpCdps = suite.keeper.GetAllCdpsByCollateralTypeAndRatio(suite.ctx, "xrp-a", d("2.0").Add(sdk.SmallestDec()))
suite.Equal(1, len(xrpCdps))
}
func (suite *CdpTestSuite) TestValidateCollateral() {
c := sdk.NewCoin("xrp", sdk.NewInt(1))
err := suite.keeper.ValidateCollateral(suite.ctx, c, "xrp-a")
suite.NoError(err)
c = sdk.NewCoin("lol", sdk.NewInt(1))
err = suite.keeper.ValidateCollateral(suite.ctx, c, "lol-a")
suite.Require().True(errors.Is(err, types.ErrCollateralNotSupported))
}
func (suite *CdpTestSuite) TestValidatePrincipal() {
d := sdk.NewCoin("usdx", sdk.NewInt(10000000))
err := suite.keeper.ValidatePrincipalAdd(suite.ctx, d)
suite.NoError(err)
d = sdk.NewCoin("xusd", sdk.NewInt(1))
err = suite.keeper.ValidatePrincipalAdd(suite.ctx, d)
suite.Require().True(errors.Is(err, types.ErrDebtNotSupported))
d = sdk.NewCoin("usdx", sdk.NewInt(1000000000001))
err = suite.keeper.ValidateDebtLimit(suite.ctx, "xrp-a", d)
suite.Require().True(errors.Is(err, types.ErrExceedsDebtLimit))
d = sdk.NewCoin("usdx", sdk.NewInt(100000000))
err = suite.keeper.ValidateDebtLimit(suite.ctx, "xrp-a", d)
suite.NoError(err)
}
func (suite *CdpTestSuite) TestCalculateCollateralizationRatio() {
c := cdps()[1]
err := suite.keeper.SetCDP(suite.ctx, c)
suite.NoError(err)
suite.keeper.IndexCdpByOwner(suite.ctx, c)
cr := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, c.Collateral, c.Type, c.Principal)
suite.keeper.IndexCdpByCollateralRatio(suite.ctx, c.Type, c.ID, cr)
cr, err = suite.keeper.CalculateCollateralizationRatio(suite.ctx, c.Collateral, c.Type, c.Principal, c.AccumulatedFees, "spot")
suite.NoError(err)
suite.Equal(d("2.5"), cr)
c.AccumulatedFees = sdk.NewCoin("usdx", i(10000000))
cr, err = suite.keeper.CalculateCollateralizationRatio(suite.ctx, c.Collateral, c.Type, c.Principal, c.AccumulatedFees, "spot")
suite.NoError(err)
suite.Equal(d("1.25"), cr)
}
func (suite *CdpTestSuite) TestMintBurnDebtCoins() {
cd := cdps()[1]
err := suite.keeper.MintDebtCoins(suite.ctx, types.ModuleName, suite.keeper.GetDebtDenom(suite.ctx), cd.Principal)
suite.NoError(err)
suite.Require().Panics(func() {
_ = suite.keeper.MintDebtCoins(suite.ctx, "notamodule", suite.keeper.GetDebtDenom(suite.ctx), cd.Principal)
})
sk := suite.app.GetSupplyKeeper()
acc := sk.GetModuleAccount(suite.ctx, types.ModuleName)
suite.Equal(cs(c("debt", 10000000)), acc.GetCoins())
err = suite.keeper.BurnDebtCoins(suite.ctx, types.ModuleName, suite.keeper.GetDebtDenom(suite.ctx), cd.Principal)
suite.NoError(err)
suite.Require().Panics(func() {
_ = suite.keeper.BurnDebtCoins(suite.ctx, "notamodule", suite.keeper.GetDebtDenom(suite.ctx), cd.Principal)
})
sk = suite.app.GetSupplyKeeper()
acc = sk.GetModuleAccount(suite.ctx, types.ModuleName)
suite.Equal(sdk.Coins(nil), acc.GetCoins())
}
func TestCdpTestSuite(t *testing.T) {
suite.Run(t, new(CdpTestSuite))
}