mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-11-10 18:15:19 +00:00
c59a491788
* (feat) update x/cdp to run every X blocks based off params (#1814)
* add new cdp module param to protonet genesis
* update cdp / cdp related tests for new module param
* update telemetry docs and setup for collecting against local node
* update kvool commit for new cdp param
(cherry picked from commit 4d62f47773)
* add tests for configurable x/cdp begin blocker interval param
add migration for default value of param
* make adjustments based off pr feedback
* fix proto back compat check
294 lines
11 KiB
Go
294 lines
11 KiB
Go
package cdp_test
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import (
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"math/rand"
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"testing"
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"time"
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"github.com/stretchr/testify/suite"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/simulation"
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abci "github.com/tendermint/tendermint/abci/types"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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tmtime "github.com/tendermint/tendermint/types/time"
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"github.com/kava-labs/kava/app"
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auctiontypes "github.com/kava-labs/kava/x/auction/types"
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"github.com/kava-labs/kava/x/cdp"
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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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)
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type ModuleTestSuite struct {
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suite.Suite
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keeper keeper.Keeper
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addrs []sdk.AccAddress
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app app.TestApp
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cdps types.CDPs
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ctx sdk.Context
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liquidations liquidationTracker
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}
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type liquidationTracker struct {
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xrp []uint64
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btc []uint64
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debt int64
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}
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func (suite *ModuleTestSuite) SetupTest() {
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tApp := app.NewTestApp()
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ctx := tApp.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
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tracker := liquidationTracker{}
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coins := cs(c("btc", 100000000), c("xrp", 10000000000))
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_, addrs := app.GeneratePrivKeyAddressPairs(100)
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authGS := app.NewFundedGenStateWithSameCoins(tApp.AppCodec(), coins, addrs)
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tApp.InitializeFromGenesisStates(
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authGS,
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NewPricefeedGenStateMulti(tApp.AppCodec()),
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NewCDPGenStateMulti(tApp.AppCodec()),
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)
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suite.ctx = ctx
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suite.app = tApp
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suite.keeper = tApp.GetCDPKeeper()
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suite.cdps = types.CDPs{}
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suite.addrs = addrs
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suite.liquidations = tracker
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}
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func (suite *ModuleTestSuite) createCdps() {
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tApp := app.NewTestApp()
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ctx := tApp.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
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cdps := make(types.CDPs, 100)
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tracker := liquidationTracker{}
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coins := cs(c("btc", 100000000), c("xrp", 10000000000))
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_, addrs := app.GeneratePrivKeyAddressPairs(100)
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authGS := app.NewFundedGenStateWithSameCoins(tApp.AppCodec(), coins, addrs)
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tApp.InitializeFromGenesisStates(
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authGS,
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NewPricefeedGenStateMulti(tApp.AppCodec()),
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NewCDPGenStateMulti(tApp.AppCodec()),
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)
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suite.ctx = ctx
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suite.app = tApp
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suite.keeper = tApp.GetCDPKeeper()
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// create 100 cdps
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for j := 0; j < 100; j++ {
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// 50 of the cdps will be collateralized with xrp
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collateral := "xrp"
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amount := 10000000000
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debt := simulation.RandIntBetween(rand.New(rand.NewSource(int64(j))), 750000000, 1249000000)
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// the other half (50) will be collateralized with btc
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if j%2 == 0 {
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collateral = "btc"
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amount = 100000000
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debt = simulation.RandIntBetween(rand.New(rand.NewSource(int64(j))), 2700000000, 5332000000)
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if debt >= 4000000000 {
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tracker.btc = append(tracker.btc, uint64(j+1))
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tracker.debt += int64(debt)
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}
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} else {
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if debt >= 1000000000 {
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tracker.xrp = append(tracker.xrp, uint64(j+1))
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tracker.debt += int64(debt)
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}
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}
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suite.Nil(suite.keeper.AddCdp(suite.ctx, addrs[j], c(collateral, int64(amount)), c("usdx", int64(debt)), collateral+"-a"))
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c, f := suite.keeper.GetCDP(suite.ctx, collateral+"-a", uint64(j+1))
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suite.True(f)
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cdps[j] = c
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}
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suite.cdps = cdps
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suite.addrs = addrs
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suite.liquidations = tracker
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}
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func (suite *ModuleTestSuite) setPrice(price sdk.Dec, market string) {
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pfKeeper := suite.app.GetPriceFeedKeeper()
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_, err := pfKeeper.SetPrice(suite.ctx, sdk.AccAddress{}, market, price, suite.ctx.BlockTime().Add(time.Hour*3))
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suite.NoError(err)
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err = pfKeeper.SetCurrentPrices(suite.ctx, market)
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suite.NoError(err)
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pp, err := pfKeeper.GetCurrentPrice(suite.ctx, market)
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suite.NoError(err)
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suite.Equal(price, pp.Price)
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}
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func (suite *ModuleTestSuite) TestBeginBlock() {
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// test setup, creating
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// 50 xrp cdps each with
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// collateral: 10000000000
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// debt: between 750000000 - 1249000000
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// if debt above 10000000000,
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// cdp added to tracker / liquidation list
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// debt total added to trackers debt total
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// 50 btc cdps each with
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// collateral: 10000000000
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// debt: between 2700000000 - 5332000000
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// if debt above 4000000000,
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// cdp added to tracker / liquidation list
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// debt total added to trackers debt total
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// naively we expect roughly half of the cdps to be above the debt tracking floor, roughly 25 of them collaterallized with xrp, the other 25 with btcb
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// usdx is the principal for all cdps
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suite.createCdps()
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ak := suite.app.GetAccountKeeper()
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bk := suite.app.GetBankKeeper()
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// test case 1 setup
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acc := ak.GetModuleAccount(suite.ctx, types.ModuleName)
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// track how much xrp collateral exists in the cdp module
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originalXrpCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "xrp").Amount
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// set the trading price for xrp:usd pools
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suite.setPrice(d("0.2"), "xrp:usd")
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// test case 1 execution
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cdp.BeginBlocker(suite.ctx, abci.RequestBeginBlock{Header: suite.ctx.BlockHeader()}, suite.keeper)
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// test case 1 assert
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acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
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// get the current amount of xrp held by the cdp module
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finalXrpCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "xrp").Amount
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seizedXrpCollateral := originalXrpCollateral.Sub(finalXrpCollateral)
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// calculate the number of cdps that were liquidated based on the total
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// seized collateral divided by the size of each cdp when it was created
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xrpLiquidations := int(seizedXrpCollateral.Quo(i(10000000000)).Int64())
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// should be 10 because...?
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suite.Equal(10, xrpLiquidations)
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// btc collateral test case setup
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acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
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originalBtcCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "btc").Amount
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// set the trading price for btc:usd pools
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suite.setPrice(d("6000"), "btc:usd")
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// btc collateral test case execution
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cdp.BeginBlocker(suite.ctx, abci.RequestBeginBlock{Header: suite.ctx.BlockHeader()}, suite.keeper)
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// btc collateral test case assertion 1
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acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
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finalBtcCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "btc").Amount
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seizedBtcCollateral := originalBtcCollateral.Sub(finalBtcCollateral)
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// calculate the number of btc cdps that were liquidated based on the
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// total seized collateral divided by the fixed size of each cdp
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// when it was created during test setup
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btcLiquidations := int(seizedBtcCollateral.Quo(i(100000000)).Int64())
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suite.Equal(10, btcLiquidations)
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// btc collateral test case assertion 2
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// test that the auction module has a balance equal to the amount of collateral seized
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acc = ak.GetModuleAccount(suite.ctx, auctiontypes.ModuleName)
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// should be this exact value because...?
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suite.Equal(int64(71955653865), bk.GetBalance(suite.ctx, acc.GetAddress(), "debt").Amount.Int64())
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}
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func (suite *ModuleTestSuite) TestSeizeSingleCdpWithFees() {
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// test setup
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// starting with zero cdps, add a single cdp of
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// xrp backed 1:1 with usdx
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err := suite.keeper.AddCdp(suite.ctx, suite.addrs[0], c("xrp", 10000000000), c("usdx", 1000000000), "xrp-a")
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suite.NoError(err)
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// verify the total value of all assets in cdps composed of xrp-a/usdx pair equals the amount of the single cdp we just added above
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suite.Equal(i(1000000000), suite.keeper.GetTotalPrincipal(suite.ctx, "xrp-a", "usdx"))
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ak := suite.app.GetAccountKeeper()
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bk := suite.app.GetBankKeeper()
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cdpMacc := ak.GetModuleAccount(suite.ctx, types.ModuleName)
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suite.Equal(i(1000000000), bk.GetBalance(suite.ctx, cdpMacc.GetAddress(), "debt").Amount)
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for i := 0; i < 100; i++ {
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suite.ctx = suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Second * 6))
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cdp.BeginBlocker(suite.ctx, abci.RequestBeginBlock{Header: suite.ctx.BlockHeader()}, suite.keeper)
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}
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cdpMacc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
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suite.Equal(i(1000000891), (bk.GetBalance(suite.ctx, cdpMacc.GetAddress(), "debt").Amount))
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cdp, _ := suite.keeper.GetCDP(suite.ctx, "xrp-a", 1)
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err = suite.keeper.SeizeCollateral(suite.ctx, cdp)
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suite.NoError(err)
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_, found := suite.keeper.GetCDP(suite.ctx, "xrp-a", 1)
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suite.False(found)
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}
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func (suite *ModuleTestSuite) TestCDPBeginBlockerRunsOnlyOnConfiguredInterval() {
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// test setup, creating
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// 50 xrp cdps each with
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// collateral: 10000000000
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// debt: between 750000000 - 1249000000
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// if debt above 10000000000,
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// cdp added to tracker / liquidation list
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// debt total added to trackers debt total
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// 50 btc cdps each with
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// collateral: 10000000000
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// debt: between 2700000000 - 5332000000
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// if debt above 4000000000,
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// cdp added to tracker / liquidation list
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// debt total added to trackers debt total
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// naively we expect roughly half of the cdps to be above the debt tracking floor, roughly 25 of them collaterallized with xrp, the other 25 with btcb
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// usdx is the principal for all cdps
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suite.createCdps()
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ak := suite.app.GetAccountKeeper()
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bk := suite.app.GetBankKeeper()
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// set the cdp begin blocker to run every other block
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params := suite.keeper.GetParams(suite.ctx)
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params.LiquidationBlockInterval = 2
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suite.keeper.SetParams(suite.ctx, params)
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// test case 1 setup
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acc := ak.GetModuleAccount(suite.ctx, types.ModuleName)
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// track how much xrp collateral exists in the cdp module
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originalXrpCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "xrp").Amount
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// set the trading price for xrp:usd pools
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suite.setPrice(d("0.2"), "xrp:usd")
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// test case 1 execution
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cdp.BeginBlocker(suite.ctx, abci.RequestBeginBlock{Header: suite.ctx.BlockHeader()}, suite.keeper)
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// test case 1 assert
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acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
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// get the current amount of xrp held by the cdp module
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finalXrpCollateral := bk.GetBalance(suite.ctx, acc.GetAddress(), "xrp").Amount
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seizedXrpCollateral := originalXrpCollateral.Sub(finalXrpCollateral)
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// calculate the number of cdps that were liquidated based on the total
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// seized collateral divided by the size of each cdp when it was created
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xrpLiquidations := int(seizedXrpCollateral.Quo(i(10000000000)).Int64())
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// should be 0 because the cdp begin blocker is configured to
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// skip execution every odd numbered block
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suite.Equal(0, xrpLiquidations, "expected cdp begin blocker not to run liqudations")
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// test case 2 setup
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// simulate running the second block of the chain
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suite.ctx = suite.ctx.WithBlockHeight(2)
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// test case 2 execution
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cdp.BeginBlocker(suite.ctx, abci.RequestBeginBlock{Header: suite.ctx.BlockHeader()}, suite.keeper)
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// test case 2 assert
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acc = ak.GetModuleAccount(suite.ctx, types.ModuleName)
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// get the current amount of xrp held by the cdp module
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finalXrpCollateral = bk.GetBalance(suite.ctx, acc.GetAddress(), "xrp").Amount
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seizedXrpCollateral = originalXrpCollateral.Sub(finalXrpCollateral)
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// calculate the number of cdps that were liquidated based on the total
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// seized collateral divided by the size of each cdp when it was created
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xrpLiquidations = int(seizedXrpCollateral.Quo(i(10000000000)).Int64())
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suite.Greater(xrpLiquidations, 0, "expected cdp begin blocker to run liquidations")
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}
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func TestModuleTestSuite(t *testing.T) {
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suite.Run(t, new(ModuleTestSuite))
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}
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