mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-11-14 12:05:18 +00:00
22dc15f757
* fix: remove redundant debt limit param * wip: test pricefeed genesis * fix: pricefeed querier * fix: comments, naming * fix: query path * fix: store methods * fix: query methods * feat: Liquidation Penalty * feat: enforce debt floor on repayment * address review comments * fix: remove debt from liquidation penalty * test: remove payment > balance check * feat: handle overpayment * fix: avoid negative coins error for overpayments
209 lines
8.7 KiB
Go
209 lines
8.7 KiB
Go
package keeper_test
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import (
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"testing"
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"time"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/kava-labs/kava/app"
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"github.com/kava-labs/kava/x/cdp/keeper"
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"github.com/kava-labs/kava/x/cdp/types"
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"github.com/stretchr/testify/suite"
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abci "github.com/tendermint/tendermint/abci/types"
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tmtime "github.com/tendermint/tendermint/types/time"
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)
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type DrawTestSuite struct {
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suite.Suite
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keeper keeper.Keeper
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app app.TestApp
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ctx sdk.Context
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addrs []sdk.AccAddress
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}
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func (suite *DrawTestSuite) SetupTest() {
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tApp := app.NewTestApp()
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ctx := tApp.NewContext(true, abci.Header{Height: 1, Time: tmtime.Now()})
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_, addrs := app.GeneratePrivKeyAddressPairs(3)
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authGS := app.NewAuthGenState(
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addrs,
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[]sdk.Coins{
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cs(c("xrp", 500000000), c("btc", 500000000), c("usdx", 10000000000)),
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cs(c("xrp", 200000000)),
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cs(c("xrp", 10000000000000), c("usdx", 100000000000))})
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tApp.InitializeFromGenesisStates(
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authGS,
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NewPricefeedGenStateMulti(),
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NewCDPGenStateMulti(),
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)
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keeper := tApp.GetCDPKeeper()
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suite.app = tApp
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suite.keeper = keeper
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suite.ctx = ctx
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suite.addrs = addrs
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err := suite.keeper.AddCdp(suite.ctx, addrs[0], cs(c("xrp", 400000000)), cs(c("usdx", 10000000)))
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suite.NoError(err)
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}
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func (suite *DrawTestSuite) TestAddRepayPrincipal() {
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err := suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp", cs(c("usdx", 10000000)))
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suite.NoError(err)
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t, _ := suite.keeper.GetCDP(suite.ctx, "xrp", uint64(1))
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suite.Equal(cs(c("usdx", 20000000)), t.Principal)
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ctd := suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, t.Collateral, t.Principal.Add(t.AccumulatedFees))
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suite.Equal(d("20.0"), ctd)
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ts := suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("20.0"))
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suite.Equal(0, len(ts))
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ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("20.0").Add(sdk.SmallestDec()))
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suite.Equal(ts[0], t)
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tp := suite.keeper.GetTotalPrincipal(suite.ctx, "xrp", "usdx")
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suite.Equal(i(20000000), tp)
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sk := suite.app.GetSupplyKeeper()
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acc := sk.GetModuleAccount(suite.ctx, types.ModuleName)
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suite.Equal(cs(c("xrp", 400000000), c("debt", 20000000)), acc.GetCoins())
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err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp", cs(c("susd", 10000000)))
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suite.NoError(err)
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t, _ = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(1))
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suite.Equal(cs(c("usdx", 20000000), c("susd", 10000000)), t.Principal)
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ctd = suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, t.Collateral, t.Principal.Add(t.AccumulatedFees))
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suite.Equal(d("400000000").Quo(d("30000000")), ctd)
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ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("400").Quo(d("30")))
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suite.Equal(0, len(ts))
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ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("400").Quo(d("30")).Add(sdk.SmallestDec()))
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suite.Equal(ts[0], t)
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tp = suite.keeper.GetTotalPrincipal(suite.ctx, "xrp", "susd")
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suite.Equal(i(10000000), tp)
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sk = suite.app.GetSupplyKeeper()
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acc = sk.GetModuleAccount(suite.ctx, types.ModuleName)
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suite.Equal(cs(c("xrp", 400000000), c("debt", 30000000)), acc.GetCoins())
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err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[1], "xrp", cs(c("usdx", 10000000)))
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suite.Equal(types.CodeCdpNotFound, err.Result().Code)
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err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp", cs(c("xusd", 10000000)))
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suite.Equal(types.CodeDebtNotSupported, err.Result().Code)
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err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[0], "xrp", cs(c("usdx", 311000000)))
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suite.Equal(types.CodeInvalidCollateralRatio, err.Result().Code)
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err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", cs(c("usdx", 10000000)))
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suite.NoError(err)
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t, _ = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(1))
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suite.Equal(cs(c("usdx", 10000000), c("susd", 10000000)), t.Principal)
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ctd = suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, t.Collateral, t.Principal.Add(t.AccumulatedFees))
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suite.Equal(d("20.0"), ctd)
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ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("20.0"))
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suite.Equal(0, len(ts))
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ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("20.0").Add(sdk.SmallestDec()))
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suite.Equal(ts[0], t)
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tp = suite.keeper.GetTotalPrincipal(suite.ctx, "xrp", "usdx")
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suite.Equal(i(10000000), tp)
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sk = suite.app.GetSupplyKeeper()
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acc = sk.GetModuleAccount(suite.ctx, types.ModuleName)
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suite.Equal(cs(c("xrp", 400000000), c("debt", 20000000)), acc.GetCoins())
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err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", cs(c("susd", 10000000)))
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suite.NoError(err)
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t, _ = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(1))
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suite.Equal(cs(c("usdx", 10000000)), t.Principal)
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ctd = suite.keeper.CalculateCollateralToDebtRatio(suite.ctx, t.Collateral, t.Principal.Add(t.AccumulatedFees))
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suite.Equal(d("40.0"), ctd)
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ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("40.0"))
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suite.Equal(0, len(ts))
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ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", d("40.0").Add(sdk.SmallestDec()))
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suite.Equal(ts[0], t)
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tp = suite.keeper.GetTotalPrincipal(suite.ctx, "xrp", "susd")
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suite.Equal(i(0), tp)
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sk = suite.app.GetSupplyKeeper()
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acc = sk.GetModuleAccount(suite.ctx, types.ModuleName)
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suite.Equal(cs(c("xrp", 400000000), c("debt", 10000000)), acc.GetCoins())
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err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", cs(c("xusd", 10000000)))
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suite.Equal(types.CodeInvalidPaymentDenom, err.Result().Code)
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err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[1], "xrp", cs(c("xusd", 10000000)))
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suite.Equal(types.CodeCdpNotFound, err.Result().Code)
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err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", cs(c("usdx", 9000000)))
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suite.Equal(types.CodeBelowDebtFloor, err.Result().Code)
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err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", cs(c("usdx", 10000000)))
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suite.NoError(err)
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_, found := suite.keeper.GetCDP(suite.ctx, "xrp", uint64(1))
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suite.False(found)
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ts = suite.keeper.GetAllCdpsByDenomAndRatio(suite.ctx, "xrp", types.MaxSortableDec)
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suite.Equal(0, len(ts))
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ts = suite.keeper.GetAllCdpsByDenom(suite.ctx, "xrp")
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suite.Equal(0, len(ts))
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sk = suite.app.GetSupplyKeeper()
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acc = sk.GetModuleAccount(suite.ctx, types.ModuleName)
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suite.Equal(sdk.Coins(nil), acc.GetCoins())
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}
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func (suite *DrawTestSuite) TestRepayPrincipalOverpay() {
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err := suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[0], "xrp", cs(c("usdx", 20000000)))
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suite.NoError(err)
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ak := suite.app.GetAccountKeeper()
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acc := ak.GetAccount(suite.ctx, suite.addrs[0])
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suite.Equal(i(10000000000), (acc.GetCoins().AmountOf("usdx")))
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_, found := suite.keeper.GetCDP(suite.ctx, "xrp", 1)
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suite.False(found)
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}
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func (suite *DrawTestSuite) TestAddRepayPrincipalFees() {
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err := suite.keeper.AddCdp(suite.ctx, suite.addrs[2], cs(c("xrp", 1000000000000)), cs(c("usdx", 100000000000)))
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suite.NoError(err)
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suite.ctx = suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Minute * 10))
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err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[2], "xrp", cs(c("usdx", 10000000)))
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suite.NoError(err)
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t, _ := suite.keeper.GetCDP(suite.ctx, "xrp", uint64(2))
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suite.Equal(cs(c("usdx", 92827)), t.AccumulatedFees)
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_ = suite.keeper.MintDebtCoins(suite.ctx, types.ModuleName, "debt", cs(c("usdx", 92827)))
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err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[2], "xrp", cs(c("usdx", 100)))
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suite.NoError(err)
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t, _ = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(2))
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suite.Equal(cs(c("usdx", 92727)), t.AccumulatedFees)
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err = suite.keeper.RepayPrincipal(suite.ctx, suite.addrs[2], "xrp", cs(c("usdx", 100010092727)))
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suite.NoError(err)
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_, f := suite.keeper.GetCDP(suite.ctx, "xrp", uint64(2))
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suite.False(f)
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err = suite.keeper.AddCdp(suite.ctx, suite.addrs[2], cs(c("xrp", 1000000000000)), cs(c("usdx", 100000000)))
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suite.NoError(err)
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suite.ctx = suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Second * 31536000))
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err = suite.keeper.AddPrincipal(suite.ctx, suite.addrs[2], "xrp", cs(c("usdx", 100000000)))
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suite.NoError(err)
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t, _ = suite.keeper.GetCDP(suite.ctx, "xrp", uint64(3))
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suite.Equal(cs(c("usdx", 5000000)), t.AccumulatedFees)
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}
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func (suite *DrawTestSuite) TestPricefeedFailure() {
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ctx := suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Hour * 2))
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pfk := suite.app.GetPriceFeedKeeper()
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pfk.SetCurrentPrices(ctx, "xrp:usd")
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err := suite.keeper.AddPrincipal(ctx, suite.addrs[0], "xrp", cs(c("usdx", 10000000)))
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suite.Error(err)
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err = suite.keeper.RepayPrincipal(ctx, suite.addrs[0], "xrp", cs(c("usdx", 10000000)))
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suite.NoError(err)
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}
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func (suite *DrawTestSuite) TestModuleAccountFailure() {
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suite.Panics(func() {
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ctx := suite.ctx.WithBlockHeader(suite.ctx.BlockHeader())
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sk := suite.app.GetSupplyKeeper()
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acc := sk.GetModuleAccount(ctx, types.ModuleName)
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ak := suite.app.GetAccountKeeper()
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ak.RemoveAccount(ctx, acc)
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_ = suite.keeper.RepayPrincipal(ctx, suite.addrs[0], "xrp", cs(c("usdx", 10000000)))
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})
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}
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func TestDrawTestSuite(t *testing.T) {
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suite.Run(t, new(DrawTestSuite))
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}
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