mirror of
https://github.com/0glabs/0g-chain.git
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511 lines
19 KiB
Go
511 lines
19 KiB
Go
package keeper_test
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import (
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"testing"
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"time"
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tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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proposaltypes "github.com/cosmos/cosmos-sdk/x/params/types/proposal"
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"github.com/stretchr/testify/suite"
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"github.com/0glabs/0g-chain/app"
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cdpkeeper "github.com/0glabs/0g-chain/x/cdp/keeper"
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cdptypes "github.com/0glabs/0g-chain/x/cdp/types"
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"github.com/0glabs/0g-chain/x/incentive/keeper"
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"github.com/0glabs/0g-chain/x/incentive/testutil"
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"github.com/0glabs/0g-chain/x/incentive/types"
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kavadisttypes "github.com/0glabs/0g-chain/x/kavadist/types"
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)
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type USDXIntegrationTests struct {
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testutil.IntegrationTester
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genesisTime time.Time
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addrs []sdk.AccAddress
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}
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func TestUSDXIntegration(t *testing.T) {
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suite.Run(t, new(USDXIntegrationTests))
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}
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// SetupTest is run automatically before each suite test
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func (suite *USDXIntegrationTests) SetupTest() {
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_, suite.addrs = app.GeneratePrivKeyAddressPairs(5)
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suite.genesisTime = time.Date(2020, 12, 15, 14, 0, 0, 0, time.UTC)
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}
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func (suite *USDXIntegrationTests) ProposeAndVoteOnNewRewardPeriods(committeeID uint64, voter sdk.AccAddress, newPeriods types.RewardPeriods) {
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suite.ProposeAndVoteOnNewParams(
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voter,
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committeeID,
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[]proposaltypes.ParamChange{{
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Subspace: types.ModuleName,
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Key: string(types.KeyUSDXMintingRewardPeriods),
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Value: string(types.ModuleCdc.LegacyAmino.MustMarshalJSON(newPeriods)),
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}})
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}
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func (suite *USDXIntegrationTests) TestSingleUserAccumulatesRewardsAfterSyncing() {
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userA := suite.addrs[0]
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authBulder := app.NewAuthBankGenesisBuilder().
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WithSimpleModuleAccount(kavadisttypes.ModuleName, cs(c(types.USDXMintingRewardDenom, 1e18))). // Fill kavadist with enough coins to pay out any reward
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WithSimpleAccount(userA, cs(c("bnb", 1e12))) // give the user some coins
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incentBuilder := testutil.NewIncentiveGenesisBuilder().
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WithGenesisTime(suite.genesisTime).
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WithMultipliers(types.MultipliersPerDenoms{{
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Denom: types.USDXMintingRewardDenom,
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Multipliers: types.Multipliers{types.NewMultiplier("large", 12, d("1.0"))}, // keep payout at 1.0 to make maths easier
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}}).
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WithSimpleUSDXRewardPeriod("bnb-a", c(types.USDXMintingRewardDenom, 1e6))
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suite.SetApp()
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suite.WithGenesisTime(suite.genesisTime)
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suite.StartChain(
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NewPricefeedGenStateMultiFromTime(suite.App.AppCodec(), suite.genesisTime),
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NewCDPGenStateMulti(suite.App.AppCodec()),
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authBulder.BuildMarshalled(suite.App.AppCodec()),
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incentBuilder.BuildMarshalled(suite.App.AppCodec()),
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)
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// User creates a CDP to begin earning rewards.
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suite.NoError(
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suite.DeliverMsgCreateCDP(userA, c("bnb", 1e10), c(cdptypes.DefaultStableDenom, 1e9), "bnb-a"),
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)
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// Let time pass to accumulate interest on the deposit
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// Use one long block instead of many to reduce any rounding errors, and speed up tests.
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suite.NextBlockAfter(1e6 * time.Second) // about 12 days
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// User repays and borrows just to sync their CDP
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suite.NoError(
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suite.DeliverCDPMsgRepay(userA, "bnb-a", c(cdptypes.DefaultStableDenom, 1)),
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)
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suite.NoError(
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suite.DeliverCDPMsgBorrow(userA, "bnb-a", c(cdptypes.DefaultStableDenom, 1)),
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)
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// Accumulate more rewards.
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// The user still has the same percentage of all CDP debt (100%) so their rewards should be the same as in the previous block.
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suite.NextBlockAfter(1e6 * time.Second) // about 12 days
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// User claims all their rewards
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msg := types.NewMsgClaimUSDXMintingReward(userA.String(), "large")
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suite.Require().NoError(suite.DeliverIncentiveMsg(&msg))
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// The users has always had 100% of cdp debt, so they should receive all rewards for the previous two blocks.
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// Total rewards for each block is block duration * rewards per second
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accuracy := 1e-18 // using a very high accuracy to flag future small calculation changes
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suite.BalanceInEpsilon(userA, cs(c("bnb", 1e12-1e10), c(cdptypes.DefaultStableDenom, 1e9), c(types.USDXMintingRewardDenom, 2*1e6*1e6)), accuracy)
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}
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func (suite *USDXIntegrationTests) TestSingleUserAccumulatesRewardsWithoutSyncing() {
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user := suite.addrs[0]
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initialCollateral := c("bnb", 1e9)
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authBuilder := app.NewAuthBankGenesisBuilder().
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WithSimpleModuleAccount(kavadisttypes.ModuleName, cs(c(types.USDXMintingRewardDenom, 1e18))). // Fill kavadist with enough coins to pay out any reward
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WithSimpleAccount(user, cs(initialCollateral))
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collateralType := "bnb-a"
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incentBuilder := testutil.NewIncentiveGenesisBuilder().
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WithGenesisTime(suite.genesisTime).
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WithMultipliers(types.MultipliersPerDenoms{{
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Denom: types.USDXMintingRewardDenom,
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Multipliers: types.Multipliers{types.NewMultiplier("large", 12, d("1.0"))}, // keep payout at 1.0 to make maths easier
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}}).
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WithSimpleUSDXRewardPeriod(collateralType, c(types.USDXMintingRewardDenom, 1e6))
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suite.SetApp()
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suite.WithGenesisTime(suite.genesisTime)
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suite.StartChain(
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authBuilder.BuildMarshalled(suite.App.AppCodec()),
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NewPricefeedGenStateMultiFromTime(suite.App.AppCodec(), suite.genesisTime),
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NewCDPGenStateMulti(suite.App.AppCodec()),
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incentBuilder.BuildMarshalled(suite.App.AppCodec()),
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)
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// Setup cdp state containing one CDP
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suite.NoError(
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suite.DeliverMsgCreateCDP(user, initialCollateral, c("usdx", 1e8), collateralType),
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)
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// Skip ahead a few blocks blocks to accumulate both interest and usdx reward for the cdp
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// Don't sync the CDP between the blocks
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suite.NextBlockAfter(1e6 * time.Second) // about 12 days
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suite.NextBlockAfter(1e6 * time.Second)
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suite.NextBlockAfter(1e6 * time.Second)
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msg := types.NewMsgClaimUSDXMintingReward(user.String(), "large")
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suite.Require().NoError(suite.DeliverIncentiveMsg(&msg))
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// The users has always had 100% of cdp debt, so they should receive all rewards for the previous two blocks.
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// Total rewards for each block is block duration * rewards per second
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accuracy := 1e-18 // using a very high accuracy to flag future small calculation changes
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suite.BalanceInEpsilon(user, cs(c(cdptypes.DefaultStableDenom, 1e8), c(types.USDXMintingRewardDenom, 3*1e6*1e6)), accuracy)
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}
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func (suite *USDXIntegrationTests) TestReinstatingRewardParamsDoesNotTriggerOverPayments() {
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userA := suite.addrs[0]
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userB := suite.addrs[1]
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authBuilder := app.NewAuthBankGenesisBuilder().
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WithSimpleModuleAccount(kavadisttypes.ModuleName, cs(c(types.USDXMintingRewardDenom, 1e18))). // Fill kavadist with enough coins to pay out any reward
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WithSimpleAccount(userA, cs(c("bnb", 1e10))).
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WithSimpleAccount(userB, cs(c("bnb", 1e10)))
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incentBuilder := testutil.NewIncentiveGenesisBuilder().
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WithGenesisTime(suite.genesisTime).
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WithMultipliers(types.MultipliersPerDenoms{{
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Denom: types.USDXMintingRewardDenom,
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Multipliers: types.Multipliers{types.NewMultiplier("large", 12, d("1.0"))}, // keep payout at 1.0 to make maths easier
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}}).
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WithSimpleUSDXRewardPeriod("bnb-a", c(types.USDXMintingRewardDenom, 1e6))
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suite.SetApp()
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suite.WithGenesisTime(suite.genesisTime)
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suite.StartChain(
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authBuilder.BuildMarshalled(suite.App.AppCodec()),
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NewPricefeedGenStateMultiFromTime(suite.App.AppCodec(), suite.genesisTime),
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NewCDPGenStateMulti(suite.App.AppCodec()),
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incentBuilder.BuildMarshalled(suite.App.AppCodec()),
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NewCommitteeGenesisState(suite.App.AppCodec(), 0, userA), // create a committtee to change params
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)
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// Accumulate some CDP rewards, requires creating a cdp so the total borrowed isn't 0.
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suite.NoError(
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suite.DeliverMsgCreateCDP(userA, c("bnb", 1e10), c("usdx", 1e9), "bnb-a"),
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)
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suite.NextBlockAfter(1e6 * time.Second)
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// Remove the USDX reward period
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suite.ProposeAndVoteOnNewRewardPeriods(0, userA, types.RewardPeriods{})
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// next block so proposal is enacted
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suite.NextBlockAfter(1 * time.Second)
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// Create a CDP when there is no reward periods. In a previous version the claim object would not be created, leading to the bug.
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// Withdraw the same amount of usdx as the first cdp currently has. This make the reward maths easier, as rewards will be split 50:50 between each cdp.
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firstCDP, f := suite.App.GetCDPKeeper().GetCdpByOwnerAndCollateralType(suite.Ctx, userA, "bnb-a")
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suite.True(f)
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firstCDPTotalPrincipal := firstCDP.GetTotalPrincipal()
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suite.NoError(
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suite.DeliverMsgCreateCDP(userB, c("bnb", 1e10), firstCDPTotalPrincipal, "bnb-a"),
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)
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// Add back the reward period
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suite.ProposeAndVoteOnNewRewardPeriods(0, userA,
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types.RewardPeriods{types.NewRewardPeriod(
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true,
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"bnb-a",
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suite.Ctx.BlockTime(), // start accumulating again from this block
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suite.genesisTime.Add(365*24*time.Hour),
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c(types.USDXMintingRewardDenom, 1e6),
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)},
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)
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// next block so proposal is enacted
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suite.NextBlockAfter(1 * time.Second)
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// Sync the cdp and claim by borrowing a bit
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// In a previous version this would create the cdp with incorrect indexes, leading to overpayment.
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suite.NoError(
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suite.DeliverCDPMsgBorrow(userB, "bnb-a", c(cdptypes.DefaultStableDenom, 1)),
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)
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// Claim rewards
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msg := types.NewMsgClaimUSDXMintingReward(userB.String(), "large")
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suite.Require().NoError(suite.DeliverIncentiveMsg(&msg))
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// The cdp had half the total borrows for a 1s block. So should earn half the rewards for that block
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suite.BalanceInEpsilon(
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userB,
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cs(firstCDPTotalPrincipal.Add(c(cdptypes.DefaultStableDenom, 1)), c(types.USDXMintingRewardDenom, 0.5*1e6)),
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1e-18, // using very high accuracy to catch small changes to the calculations
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)
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}
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// Test suite used for all keeper tests
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type USDXRewardsTestSuite struct {
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suite.Suite
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keeper keeper.Keeper
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cdpKeeper cdpkeeper.Keeper
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app app.TestApp
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ctx sdk.Context
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genesisTime time.Time
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addrs []sdk.AccAddress
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}
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// SetupTest is run automatically before each suite test
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func (suite *USDXRewardsTestSuite) SetupTest() {
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config := sdk.GetConfig()
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app.SetBech32AddressPrefixes(config)
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_, suite.addrs = app.GeneratePrivKeyAddressPairs(5)
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suite.genesisTime = time.Date(2020, 12, 15, 14, 0, 0, 0, time.UTC)
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}
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func (suite *USDXRewardsTestSuite) SetupApp() {
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suite.app = app.NewTestApp()
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suite.keeper = suite.app.GetIncentiveKeeper()
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suite.cdpKeeper = suite.app.GetCDPKeeper()
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suite.ctx = suite.app.NewContext(true, tmproto.Header{Height: 1, Time: suite.genesisTime})
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}
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func (suite *USDXRewardsTestSuite) SetupWithGenState(authBuilder *app.AuthBankGenesisBuilder, incentBuilder testutil.IncentiveGenesisBuilder) {
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suite.SetupApp()
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suite.app.InitializeFromGenesisStatesWithTime(
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suite.genesisTime,
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authBuilder.BuildMarshalled(suite.app.AppCodec()),
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NewPricefeedGenStateMultiFromTime(suite.app.AppCodec(), suite.genesisTime),
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NewCDPGenStateMulti(suite.app.AppCodec()),
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incentBuilder.BuildMarshalled(suite.app.AppCodec()),
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)
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}
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func (suite *USDXRewardsTestSuite) TestAccumulateUSDXMintingRewards() {
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type args struct {
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ctype string
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rewardsPerSecond sdk.Coin
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initialTotalPrincipal sdk.Coin
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timeElapsed int
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expectedRewardFactor sdk.Dec
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}
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type test struct {
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name string
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args args
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}
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testCases := []test{
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{
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"7 seconds",
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args{
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ctype: "bnb-a",
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rewardsPerSecond: c("ukava", 122354),
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initialTotalPrincipal: c("usdx", 1000000000000),
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timeElapsed: 7,
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expectedRewardFactor: d("0.000000856478000000"),
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},
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},
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{
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"1 day",
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args{
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ctype: "bnb-a",
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rewardsPerSecond: c("ukava", 122354),
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initialTotalPrincipal: c("usdx", 1000000000000),
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timeElapsed: 86400,
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expectedRewardFactor: d("0.0105713856"),
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},
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},
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{
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"0 seconds",
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args{
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ctype: "bnb-a",
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rewardsPerSecond: c("ukava", 122354),
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initialTotalPrincipal: c("usdx", 1000000000000),
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timeElapsed: 0,
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expectedRewardFactor: d("0.0"),
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},
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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incentBuilder := testutil.NewIncentiveGenesisBuilder().WithGenesisTime(suite.genesisTime).WithSimpleUSDXRewardPeriod(tc.args.ctype, tc.args.rewardsPerSecond)
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suite.SetupWithGenState(app.NewAuthBankGenesisBuilder(), incentBuilder)
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// setup cdp state
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suite.cdpKeeper.SetTotalPrincipal(suite.ctx, tc.args.ctype, cdptypes.DefaultStableDenom, tc.args.initialTotalPrincipal.Amount)
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updatedBlockTime := suite.ctx.BlockTime().Add(time.Duration(int(time.Second) * tc.args.timeElapsed))
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suite.ctx = suite.ctx.WithBlockTime(updatedBlockTime)
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rewardPeriod, found := suite.keeper.GetUSDXMintingRewardPeriod(suite.ctx, tc.args.ctype)
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suite.Require().True(found)
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suite.keeper.AccumulateUSDXMintingRewards(suite.ctx, rewardPeriod)
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rewardFactor, _ := suite.keeper.GetUSDXMintingRewardFactor(suite.ctx, tc.args.ctype)
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suite.Require().Equal(tc.args.expectedRewardFactor, rewardFactor)
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})
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}
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}
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func (suite *USDXRewardsTestSuite) TestSynchronizeUSDXMintingReward() {
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type args struct {
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ctype string
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rewardsPerSecond sdk.Coin
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initialCollateral sdk.Coin
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initialPrincipal sdk.Coin
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blockTimes []int
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expectedRewardFactor sdk.Dec
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expectedRewards sdk.Coin
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}
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type test struct {
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name string
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args args
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}
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testCases := []test{
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{
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"10 blocks",
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args{
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ctype: "bnb-a",
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rewardsPerSecond: c("ukava", 122354),
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initialCollateral: c("bnb", 1000000000000),
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initialPrincipal: c("usdx", 10000000000),
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blockTimes: []int{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
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expectedRewardFactor: d("0.001223540000000000"),
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expectedRewards: c("ukava", 12235400),
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},
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},
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{
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"10 blocks - long block time",
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args{
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ctype: "bnb-a",
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rewardsPerSecond: c("ukava", 122354),
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initialCollateral: c("bnb", 1000000000000),
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initialPrincipal: c("usdx", 10000000000),
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blockTimes: []int{86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400},
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expectedRewardFactor: d("10.57138560000000000"),
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expectedRewards: c("ukava", 105713856000),
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},
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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authBuilder := app.NewAuthBankGenesisBuilder().WithSimpleAccount(suite.addrs[0], cs(tc.args.initialCollateral))
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incentBuilder := testutil.NewIncentiveGenesisBuilder().WithGenesisTime(suite.genesisTime).WithSimpleUSDXRewardPeriod(tc.args.ctype, tc.args.rewardsPerSecond)
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suite.SetupWithGenState(authBuilder, incentBuilder)
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// setup cdp state
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err := suite.cdpKeeper.AddCdp(suite.ctx, suite.addrs[0], tc.args.initialCollateral, tc.args.initialPrincipal, tc.args.ctype)
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suite.Require().NoError(err)
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claim, found := suite.keeper.GetUSDXMintingClaim(suite.ctx, suite.addrs[0])
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suite.Require().True(found)
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suite.Require().Equal(sdk.ZeroDec(), claim.RewardIndexes[0].RewardFactor)
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var timeElapsed int
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previousBlockTime := suite.ctx.BlockTime()
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for _, t := range tc.args.blockTimes {
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timeElapsed += t
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updatedBlockTime := previousBlockTime.Add(time.Duration(int(time.Second) * t))
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previousBlockTime = updatedBlockTime
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blockCtx := suite.ctx.WithBlockTime(updatedBlockTime)
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rewardPeriod, found := suite.keeper.GetUSDXMintingRewardPeriod(blockCtx, tc.args.ctype)
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suite.Require().True(found)
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suite.keeper.AccumulateUSDXMintingRewards(blockCtx, rewardPeriod)
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}
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updatedBlockTime := suite.ctx.BlockTime().Add(time.Duration(int(time.Second) * timeElapsed))
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suite.ctx = suite.ctx.WithBlockTime(updatedBlockTime)
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cdp, found := suite.cdpKeeper.GetCdpByOwnerAndCollateralType(suite.ctx, suite.addrs[0], tc.args.ctype)
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suite.Require().True(found)
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suite.Require().NotPanics(func() {
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suite.keeper.SynchronizeUSDXMintingReward(suite.ctx, cdp)
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})
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rewardFactor, _ := suite.keeper.GetUSDXMintingRewardFactor(suite.ctx, tc.args.ctype)
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suite.Require().Equal(tc.args.expectedRewardFactor, rewardFactor)
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claim, found = suite.keeper.GetUSDXMintingClaim(suite.ctx, suite.addrs[0])
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suite.Require().True(found)
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suite.Require().Equal(tc.args.expectedRewardFactor, claim.RewardIndexes[0].RewardFactor)
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suite.Require().Equal(tc.args.expectedRewards, claim.Reward)
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})
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}
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}
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func (suite *USDXRewardsTestSuite) TestSimulateUSDXMintingRewardSynchronization() {
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type args struct {
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ctype string
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rewardsPerSecond sdk.Coin
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initialCollateral sdk.Coin
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initialPrincipal sdk.Coin
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blockTimes []int
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expectedRewardFactor sdk.Dec
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expectedRewards sdk.Coin
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}
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type test struct {
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name string
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args args
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}
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testCases := []test{
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{
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"10 blocks",
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args{
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ctype: "bnb-a",
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rewardsPerSecond: c("ukava", 122354),
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initialCollateral: c("bnb", 1000000000000),
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initialPrincipal: c("usdx", 10000000000),
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blockTimes: []int{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
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expectedRewardFactor: d("0.001223540000000000"),
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expectedRewards: c("ukava", 12235400),
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},
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},
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{
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"10 blocks - long block time",
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args{
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ctype: "bnb-a",
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rewardsPerSecond: c("ukava", 122354),
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initialCollateral: c("bnb", 1000000000000),
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initialPrincipal: c("usdx", 10000000000),
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blockTimes: []int{86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400},
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expectedRewardFactor: d("10.57138560000000000"),
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expectedRewards: c("ukava", 105713856000),
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},
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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authBuilder := app.NewAuthBankGenesisBuilder().WithSimpleAccount(suite.addrs[0], cs(tc.args.initialCollateral))
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incentBuilder := testutil.NewIncentiveGenesisBuilder().WithGenesisTime(suite.genesisTime).WithSimpleUSDXRewardPeriod(tc.args.ctype, tc.args.rewardsPerSecond)
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suite.SetupWithGenState(authBuilder, incentBuilder)
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// setup cdp state
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err := suite.cdpKeeper.AddCdp(suite.ctx, suite.addrs[0], tc.args.initialCollateral, tc.args.initialPrincipal, tc.args.ctype)
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suite.Require().NoError(err)
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claim, found := suite.keeper.GetUSDXMintingClaim(suite.ctx, suite.addrs[0])
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suite.Require().True(found)
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suite.Require().Equal(sdk.ZeroDec(), claim.RewardIndexes[0].RewardFactor)
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var timeElapsed int
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previousBlockTime := suite.ctx.BlockTime()
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for _, t := range tc.args.blockTimes {
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timeElapsed += t
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updatedBlockTime := previousBlockTime.Add(time.Duration(int(time.Second) * t))
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previousBlockTime = updatedBlockTime
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blockCtx := suite.ctx.WithBlockTime(updatedBlockTime)
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rewardPeriod, found := suite.keeper.GetUSDXMintingRewardPeriod(blockCtx, tc.args.ctype)
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suite.Require().True(found)
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suite.keeper.AccumulateUSDXMintingRewards(blockCtx, rewardPeriod)
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}
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updatedBlockTime := suite.ctx.BlockTime().Add(time.Duration(int(time.Second) * timeElapsed))
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suite.ctx = suite.ctx.WithBlockTime(updatedBlockTime)
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claim, found = suite.keeper.GetUSDXMintingClaim(suite.ctx, suite.addrs[0])
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suite.Require().True(found)
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suite.Require().Equal(claim.RewardIndexes[0].RewardFactor, sdk.ZeroDec())
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suite.Require().Equal(claim.Reward, sdk.NewCoin("ukava", sdk.ZeroInt()))
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updatedClaim := suite.keeper.SimulateUSDXMintingSynchronization(suite.ctx, claim)
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suite.Require().Equal(tc.args.expectedRewardFactor, updatedClaim.RewardIndexes[0].RewardFactor)
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suite.Require().Equal(tc.args.expectedRewards, updatedClaim.Reward)
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})
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}
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}
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func TestUSDXRewardsTestSuite(t *testing.T) {
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suite.Run(t, new(USDXRewardsTestSuite))
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}
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