mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-12-24 23:35:19 +00:00
102 lines
3.5 KiB
Go
102 lines
3.5 KiB
Go
package keeper_test
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
|
|
"github.com/stretchr/testify/suite"
|
|
|
|
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"
|
|
)
|
|
|
|
type FeeTestSuite struct {
|
|
suite.Suite
|
|
|
|
keeper keeper.Keeper
|
|
app app.TestApp
|
|
ctx sdk.Context
|
|
}
|
|
|
|
func (suite *FeeTestSuite) SetupTest() {
|
|
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
|
|
}
|
|
|
|
// createCdps is a helper function to create two CDPs each with zero fees
|
|
func (suite *FeeTestSuite) createCdps() {
|
|
// create 2 accounts in the state and give them some coins
|
|
// create two private key pair addresses
|
|
_, addrs := app.GeneratePrivKeyAddressPairs(2)
|
|
ak := suite.app.GetAccountKeeper()
|
|
// setup the first account
|
|
acc := ak.NewAccountWithAddress(suite.ctx, addrs[0])
|
|
acc.SetCoins(cs(c("xrp", 200000000), c("btc", 500000000)))
|
|
|
|
ak.SetAccount(suite.ctx, acc)
|
|
// now setup the second account
|
|
acc2 := ak.NewAccountWithAddress(suite.ctx, addrs[1])
|
|
acc2.SetCoins(cs(c("xrp", 200000000), c("btc", 500000000)))
|
|
ak.SetAccount(suite.ctx, acc2)
|
|
|
|
// now create two cdps with the addresses we just created
|
|
// use the created account to create a cdp that SHOULD have fees updated
|
|
// to get a ratio between 100 - 110% of liquidation ratio we can use 200xrp ($50) and 24 usdx (208% collateralization with liquidation ratio of 200%)
|
|
// create CDP for the first address
|
|
err := suite.keeper.AddCdp(suite.ctx, addrs[0], c("xrp", 200000000), c("usdx", 24000000))
|
|
suite.NoError(err) // check that no error was thrown
|
|
|
|
// use the other account to create a cdp that SHOULD NOT have fees updated - 500% collateralization
|
|
// create CDP for the second address
|
|
err = suite.keeper.AddCdp(suite.ctx, addrs[1], c("xrp", 200000000), c("usdx", 10000000))
|
|
suite.NoError(err) // check that no error was thrown
|
|
|
|
}
|
|
|
|
// TestUpdateFees tests the functionality for updating the fees for CDPs
|
|
func (suite *FeeTestSuite) TestUpdateFees() {
|
|
// this helper function creates two CDPs with id 1 and 2 respectively, each with zero fees
|
|
suite.createCdps()
|
|
|
|
// move the context forward in time so that cdps will have fees accumulate if CalculateFees is called
|
|
// note - time must be moved forward by a sufficient amount in order for additional
|
|
// fees to accumulate, in this example 600 seconds
|
|
oldtime := suite.ctx.BlockTime()
|
|
suite.ctx = suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(time.Second * 600))
|
|
err := suite.keeper.UpdateFeesForAllCdps(suite.ctx, "xrp")
|
|
suite.NoError(err) // check that we don't have any error
|
|
|
|
// cdp we expect fees to accumulate for
|
|
cdp1, found := suite.keeper.GetCDP(suite.ctx, "xrp", 1)
|
|
suite.True(found)
|
|
// check fees are not zero
|
|
// check that the fees have been updated
|
|
suite.False(cdp1.AccumulatedFees.IsZero())
|
|
// now check that we have the correct amount of fees overall (22 USDX for this scenario)
|
|
suite.Equal(sdk.NewInt(22), cdp1.AccumulatedFees.Amount)
|
|
suite.Equal(suite.ctx.BlockTime(), cdp1.FeesUpdated)
|
|
// cdp we expect fees to not accumulate for because of rounding to zero
|
|
cdp2, found := suite.keeper.GetCDP(suite.ctx, "xrp", 2)
|
|
suite.True(found)
|
|
// check fees are zero
|
|
suite.True(cdp2.AccumulatedFees.IsZero())
|
|
suite.Equal(oldtime, cdp2.FeesUpdated)
|
|
}
|
|
|
|
func TestFeeTestSuite(t *testing.T) {
|
|
suite.Run(t, new(FeeTestSuite))
|
|
}
|