mirror of
https://github.com/0glabs/0g-chain.git
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3375484f79
* Use cosmossdk.io/errors for deprecated error methods * Update error registration with cosmossdk.io/errors * Use cosmossdk.io/math for deprecated sdk.Int alias * Fix modified proto file * Update sdk.Int usage in swap hooks * Update e2e test deprecated method usage
552 lines
18 KiB
Go
552 lines
18 KiB
Go
package keeper_test
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import (
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"fmt"
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sdkmath "cosmossdk.io/math"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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"github.com/cosmos/cosmos-sdk/x/staking"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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"github.com/kava-labs/kava/app"
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"github.com/kava-labs/kava/x/liquid/types"
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)
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func (suite *KeeperTestSuite) TestBurnDerivative() {
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_, addrs := app.GeneratePrivKeyAddressPairs(5)
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valAccAddr, user := addrs[0], addrs[1]
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valAddr := sdk.ValAddress(valAccAddr)
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liquidDenom := suite.Keeper.GetLiquidStakingTokenDenom(valAddr)
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testCases := []struct {
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name string
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balance sdk.Coin
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moduleDelegation sdkmath.Int
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burnAmount sdk.Coin
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expectedErr error
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}{
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{
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name: "user can burn their entire balance",
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balance: c(liquidDenom, 1e9),
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moduleDelegation: i(1e9),
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burnAmount: c(liquidDenom, 1e9),
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},
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{
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name: "user can burn minimum derivative unit",
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balance: c(liquidDenom, 1e9),
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moduleDelegation: i(1e9),
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burnAmount: c(liquidDenom, 1),
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},
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{
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name: "error when denom cannot be parsed",
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balance: c(liquidDenom, 1e9),
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moduleDelegation: i(1e9),
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burnAmount: c(fmt.Sprintf("ckava-%s", valAddr), 1e6),
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expectedErr: types.ErrInvalidDenom,
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},
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{
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name: "error when burn amount is 0",
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balance: c(liquidDenom, 1e9),
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moduleDelegation: i(1e9),
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burnAmount: c(liquidDenom, 0),
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expectedErr: types.ErrUntransferableShares,
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},
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{
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name: "error when user doesn't have enough funds",
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balance: c("ukava", 10),
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moduleDelegation: i(1e9),
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burnAmount: c(liquidDenom, 1e9),
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expectedErr: sdkerrors.ErrInsufficientFunds,
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},
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{
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name: "error when backing delegation isn't large enough",
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balance: c(liquidDenom, 1e9),
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moduleDelegation: i(999_999_999),
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burnAmount: c(liquidDenom, 1e9),
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expectedErr: stakingtypes.ErrNotEnoughDelegationShares,
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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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suite.SetupTest()
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suite.CreateAccountWithAddress(valAccAddr, suite.NewBondCoins(i(1e6)))
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suite.CreateAccountWithAddress(user, sdk.NewCoins(tc.balance))
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suite.AddCoinsToModule(types.ModuleAccountName, suite.NewBondCoins(tc.moduleDelegation))
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// create delegation from module account to back the derivatives
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moduleAccAddress := authtypes.NewModuleAddress(types.ModuleAccountName)
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suite.CreateNewUnbondedValidator(valAddr, i(1e6))
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suite.CreateDelegation(valAddr, moduleAccAddress, tc.moduleDelegation)
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staking.EndBlocker(suite.Ctx, suite.StakingKeeper)
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modBalance := suite.BankKeeper.GetAllBalances(suite.Ctx, moduleAccAddress)
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_, err := suite.Keeper.BurnDerivative(suite.Ctx, user, valAddr, tc.burnAmount)
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suite.Require().ErrorIs(err, tc.expectedErr)
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if tc.expectedErr != nil {
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// if an error is expected, state should be reverted so don't need to test state is unchanged
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return
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}
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suite.AccountBalanceEqual(user, sdk.NewCoins(tc.balance.Sub(tc.burnAmount)))
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suite.AccountBalanceEqual(moduleAccAddress, modBalance) // ensure derivatives are burned, and not in module account
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sharesTransferred := sdk.NewDecFromInt(tc.burnAmount.Amount)
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suite.DelegationSharesEqual(valAddr, user, sharesTransferred)
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suite.DelegationSharesEqual(valAddr, moduleAccAddress, sdk.NewDecFromInt(tc.moduleDelegation).Sub(sharesTransferred))
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suite.EventsContains(suite.Ctx.EventManager().Events(), sdk.NewEvent(
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types.EventTypeBurnDerivative,
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sdk.NewAttribute(types.AttributeKeyDelegator, user.String()),
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sdk.NewAttribute(types.AttributeKeyValidator, valAddr.String()),
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sdk.NewAttribute(sdk.AttributeKeyAmount, tc.burnAmount.String()),
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sdk.NewAttribute(types.AttributeKeySharesTransferred, sharesTransferred.String()),
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))
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})
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}
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}
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func (suite *KeeperTestSuite) TestCalculateShares() {
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_, addrs := app.GeneratePrivKeyAddressPairs(5)
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valAccAddr, delegator := addrs[0], addrs[1]
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valAddr := sdk.ValAddress(valAccAddr)
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type returns struct {
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derivatives sdkmath.Int
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shares sdk.Dec
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err error
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}
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type validator struct {
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tokens sdkmath.Int
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delegatorShares sdk.Dec
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}
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testCases := []struct {
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name string
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validator *validator
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delegation sdk.Dec
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transfer sdkmath.Int
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expected returns
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}{
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{
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name: "error when validator not found",
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validator: nil,
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delegation: d("1000000000"),
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transfer: i(500e6),
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expected: returns{
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err: stakingtypes.ErrNoValidatorFound,
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},
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},
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{
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name: "error when delegation not found",
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validator: &validator{i(1e9), d("1000000000")},
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delegation: sdk.Dec{},
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transfer: i(500e6),
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expected: returns{
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err: stakingtypes.ErrNoDelegation,
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},
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},
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{
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name: "error when transfer < 0",
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validator: &validator{i(10), d("10")},
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delegation: d("10"),
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transfer: i(-1),
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expected: returns{
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err: types.ErrUntransferableShares,
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},
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},
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{ // disallow zero transfers
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name: "error when transfer = 0",
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validator: &validator{i(10), d("10")},
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delegation: d("10"),
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transfer: i(0),
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expected: returns{
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err: types.ErrUntransferableShares,
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},
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},
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{
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name: "error when transfer > delegated shares",
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validator: &validator{i(10), d("10")},
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delegation: d("10"),
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transfer: i(11),
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expected: returns{
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err: sdkerrors.ErrInvalidRequest,
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},
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},
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{
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name: "error when validator has no tokens",
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validator: &validator{i(0), d("10")},
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delegation: d("10"),
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transfer: i(5),
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expected: returns{
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err: stakingtypes.ErrInsufficientShares,
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},
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},
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{
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name: "shares and derivatives are truncated",
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validator: &validator{i(3), d("4")},
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delegation: d("4"),
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transfer: i(2),
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expected: returns{
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derivatives: i(2), // truncated down
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shares: d("2.666666666666666666"), // 2/3 * 4 not rounded to ...667
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},
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},
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{
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name: "error if calculated shares > shares in delegation",
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validator: &validator{i(3), d("4")},
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delegation: d("2.666666666666666665"), // one less than 2/3 * 4
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transfer: i(2),
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expected: returns{
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err: sdkerrors.ErrInvalidRequest,
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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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suite.SetupTest()
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if tc.validator != nil {
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suite.StakingKeeper.SetValidator(suite.Ctx, stakingtypes.Validator{
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OperatorAddress: valAddr.String(),
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Tokens: tc.validator.tokens,
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DelegatorShares: tc.validator.delegatorShares,
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})
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}
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if !tc.delegation.IsNil() {
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suite.StakingKeeper.SetDelegation(suite.Ctx, stakingtypes.Delegation{
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DelegatorAddress: delegator.String(),
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ValidatorAddress: valAddr.String(),
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Shares: tc.delegation,
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})
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}
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derivatives, shares, err := suite.Keeper.CalculateDerivativeSharesFromTokens(suite.Ctx, delegator, valAddr, tc.transfer)
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if tc.expected.err != nil {
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suite.ErrorIs(err, tc.expected.err)
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} else {
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suite.NoError(err)
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suite.Equal(tc.expected.derivatives, derivatives, "expected '%s' got '%s'", tc.expected.derivatives, derivatives)
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suite.Equal(tc.expected.shares, shares)
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}
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})
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}
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}
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func (suite *KeeperTestSuite) TestMintDerivative() {
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_, addrs := app.GeneratePrivKeyAddressPairs(5)
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valAccAddr, delegator := addrs[0], addrs[1]
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valAddr := sdk.ValAddress(valAccAddr)
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moduleAccAddress := authtypes.NewModuleAddress(types.ModuleAccountName)
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initialBalance := i(1e9)
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vestedBalance := i(500e6)
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testCases := []struct {
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name string
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amount sdk.Coin
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expectedDerivatives sdkmath.Int
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expectedSharesRemaining sdk.Dec
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expectedSharesAdded sdk.Dec
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expectedErr error
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}{
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{
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name: "derivative is minted",
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amount: suite.NewBondCoin(vestedBalance),
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expectedDerivatives: i(500e6),
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expectedSharesRemaining: d("500000000.0"),
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expectedSharesAdded: d("500000000.0"),
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},
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{
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name: "error when the input denom isn't correct",
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amount: sdk.NewCoin("invalid", i(1000)),
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expectedErr: types.ErrInvalidDenom,
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},
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{
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name: "error when shares cannot be calculated",
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amount: suite.NewBondCoin(initialBalance.Mul(i(100))),
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expectedErr: sdkerrors.ErrInvalidRequest,
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},
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{
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name: "error when shares cannot be transferred",
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amount: suite.NewBondCoin(initialBalance), // trying to move vesting coins will fail in `TransferShares`
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expectedErr: sdkerrors.ErrInsufficientFunds,
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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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suite.SetupTest()
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suite.CreateAccountWithAddress(valAccAddr, suite.NewBondCoins(initialBalance))
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suite.CreateVestingAccountWithAddress(delegator, suite.NewBondCoins(initialBalance), suite.NewBondCoins(vestedBalance))
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suite.CreateNewUnbondedValidator(valAddr, initialBalance)
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suite.CreateDelegation(valAddr, delegator, initialBalance)
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staking.EndBlocker(suite.Ctx, suite.StakingKeeper)
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_, err := suite.Keeper.MintDerivative(suite.Ctx, delegator, valAddr, tc.amount)
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suite.Require().ErrorIs(err, tc.expectedErr)
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if tc.expectedErr != nil {
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// if an error is expected, state should be reverted so don't need to test state is unchanged
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return
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}
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derivative := sdk.NewCoins(sdk.NewCoin(fmt.Sprintf("bkava-%s", valAddr), tc.expectedDerivatives))
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suite.AccountBalanceEqual(delegator, derivative)
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suite.DelegationSharesEqual(valAddr, delegator, tc.expectedSharesRemaining)
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suite.DelegationSharesEqual(valAddr, moduleAccAddress, tc.expectedSharesAdded)
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sharesTransferred := sdk.NewDecFromInt(initialBalance).Sub(tc.expectedSharesRemaining)
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suite.EventsContains(suite.Ctx.EventManager().Events(), sdk.NewEvent(
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types.EventTypeMintDerivative,
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sdk.NewAttribute(types.AttributeKeyDelegator, delegator.String()),
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sdk.NewAttribute(types.AttributeKeyValidator, valAddr.String()),
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sdk.NewAttribute(sdk.AttributeKeyAmount, derivative.String()),
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sdk.NewAttribute(types.AttributeKeySharesTransferred, sharesTransferred.String()),
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))
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})
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}
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}
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func (suite *KeeperTestSuite) TestIsDerivativeDenom() {
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_, addrs := app.GeneratePrivKeyAddressPairs(5)
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valAccAddr1, delegator, valAccAddr2 := addrs[0], addrs[1], addrs[2]
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valAddr1 := sdk.ValAddress(valAccAddr1)
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// Validator addr that has **not** delegated anything
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valAddr2 := sdk.ValAddress(valAccAddr2)
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initialBalance := i(1e9)
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vestedBalance := i(500e6)
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suite.CreateAccountWithAddress(valAccAddr1, suite.NewBondCoins(initialBalance))
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suite.CreateVestingAccountWithAddress(delegator, suite.NewBondCoins(initialBalance), suite.NewBondCoins(vestedBalance))
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suite.CreateNewUnbondedValidator(valAddr1, initialBalance)
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suite.CreateDelegation(valAddr1, delegator, initialBalance)
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staking.EndBlocker(suite.Ctx, suite.StakingKeeper)
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testCases := []struct {
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name string
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denom string
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wantIsDenom bool
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}{
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{
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name: "valid derivative denom",
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denom: suite.Keeper.GetLiquidStakingTokenDenom(valAddr1),
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wantIsDenom: true,
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},
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{
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name: "invalid - undelegated validator addr",
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denom: suite.Keeper.GetLiquidStakingTokenDenom(valAddr2),
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wantIsDenom: false,
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},
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{
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name: "invalid - invalid val addr",
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denom: "bkava-asdfasdf",
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wantIsDenom: false,
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},
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{
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name: "invalid - ukava",
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denom: "ukava",
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wantIsDenom: false,
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},
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{
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name: "invalid - plain bkava",
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denom: "bkava",
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wantIsDenom: false,
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},
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{
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name: "invalid - bkava prefix",
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denom: "bkava-",
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wantIsDenom: false,
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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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isDenom := suite.Keeper.IsDerivativeDenom(suite.Ctx, tc.denom)
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suite.Require().Equal(tc.wantIsDenom, isDenom)
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})
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}
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}
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func (suite *KeeperTestSuite) TestGetStakedTokensForDerivatives() {
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_, addrs := app.GeneratePrivKeyAddressPairs(5)
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valAccAddr1, delegator, valAccAddr2, valAccAddr3 := addrs[0], addrs[1], addrs[2], addrs[3]
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valAddr1 := sdk.ValAddress(valAccAddr1)
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// Validator addr that has **not** delegated anything
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valAddr2 := sdk.ValAddress(valAccAddr2)
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valAddr3 := sdk.ValAddress(valAccAddr3)
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initialBalance := i(1e9)
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vestedBalance := i(500e6)
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delegateAmount := i(100e6)
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suite.CreateAccountWithAddress(valAccAddr1, suite.NewBondCoins(initialBalance))
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suite.CreateVestingAccountWithAddress(delegator, suite.NewBondCoins(initialBalance), suite.NewBondCoins(vestedBalance))
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suite.CreateNewUnbondedValidator(valAddr1, initialBalance)
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suite.CreateDelegation(valAddr1, delegator, delegateAmount)
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suite.CreateAccountWithAddress(valAccAddr3, suite.NewBondCoins(initialBalance))
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suite.CreateNewUnbondedValidator(valAddr3, initialBalance)
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suite.CreateDelegation(valAddr3, delegator, delegateAmount)
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staking.EndBlocker(suite.Ctx, suite.StakingKeeper)
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suite.SlashValidator(valAddr3, d("0.05"))
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_, err := suite.Keeper.MintDerivative(suite.Ctx, delegator, valAddr1, suite.NewBondCoin(delegateAmount))
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suite.Require().NoError(err)
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testCases := []struct {
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name string
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derivatives sdk.Coins
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wantKavaAmount sdkmath.Int
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err error
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}{
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{
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name: "valid derivative denom",
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derivatives: sdk.NewCoins(
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sdk.NewCoin(suite.Keeper.GetLiquidStakingTokenDenom(valAddr1), vestedBalance),
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),
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wantKavaAmount: vestedBalance,
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},
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{
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name: "valid - slashed validator",
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derivatives: sdk.NewCoins(
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sdk.NewCoin(suite.Keeper.GetLiquidStakingTokenDenom(valAddr3), vestedBalance),
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),
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// vestedBalance * 95%
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wantKavaAmount: vestedBalance.Mul(sdkmath.NewInt(95)).Quo(sdkmath.NewInt(100)),
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},
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{
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name: "valid - sum",
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derivatives: sdk.NewCoins(
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sdk.NewCoin(suite.Keeper.GetLiquidStakingTokenDenom(valAddr3), vestedBalance),
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sdk.NewCoin(suite.Keeper.GetLiquidStakingTokenDenom(valAddr1), vestedBalance),
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),
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// vestedBalance + (vestedBalance * 95%)
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wantKavaAmount: vestedBalance.Mul(sdkmath.NewInt(95)).Quo(sdkmath.NewInt(100)).Add(vestedBalance),
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},
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{
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name: "invalid - undelegated validator address denom",
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derivatives: sdk.NewCoins(
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sdk.NewCoin(suite.Keeper.GetLiquidStakingTokenDenom(valAddr2), vestedBalance),
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),
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err: fmt.Errorf("invalid derivative denom %s: validator not found", suite.Keeper.GetLiquidStakingTokenDenom(valAddr2)),
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},
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{
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name: "invalid - denom",
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derivatives: sdk.NewCoins(
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sdk.NewCoin("kava", vestedBalance),
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),
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err: fmt.Errorf("invalid derivative denom: cannot parse denom kava"),
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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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kavaAmount, err := suite.Keeper.GetStakedTokensForDerivatives(suite.Ctx, tc.derivatives)
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if tc.err != nil {
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suite.Require().Error(err)
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} else {
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suite.Require().NoError(err)
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suite.Require().Equal(suite.NewBondCoin(tc.wantKavaAmount), kavaAmount)
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}
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})
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}
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}
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func (suite *KeeperTestSuite) TestGetDerivativeValue() {
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_, addrs := app.GeneratePrivKeyAddressPairs(5)
|
|
valAccAddr1, delegator, valAccAddr2 := addrs[0], addrs[1], addrs[2]
|
|
valAddr1 := sdk.ValAddress(valAccAddr1)
|
|
|
|
valAddr2 := sdk.ValAddress(valAccAddr2)
|
|
|
|
initialBalance := i(1e9)
|
|
vestedBalance := i(500e6)
|
|
delegateAmount := i(100e6)
|
|
|
|
suite.CreateAccountWithAddress(valAccAddr1, suite.NewBondCoins(initialBalance))
|
|
suite.CreateVestingAccountWithAddress(delegator, suite.NewBondCoins(initialBalance), suite.NewBondCoins(vestedBalance))
|
|
|
|
suite.CreateNewUnbondedValidator(valAddr1, initialBalance)
|
|
suite.CreateDelegation(valAddr1, delegator, delegateAmount)
|
|
|
|
suite.CreateAccountWithAddress(valAccAddr2, suite.NewBondCoins(initialBalance))
|
|
|
|
suite.CreateNewUnbondedValidator(valAddr2, initialBalance)
|
|
suite.CreateDelegation(valAddr2, delegator, delegateAmount)
|
|
staking.EndBlocker(suite.Ctx, suite.StakingKeeper)
|
|
|
|
_, err := suite.Keeper.MintDerivative(suite.Ctx, delegator, valAddr1, suite.NewBondCoin(delegateAmount))
|
|
suite.Require().NoError(err)
|
|
|
|
_, err = suite.Keeper.MintDerivative(suite.Ctx, delegator, valAddr2, suite.NewBondCoin(delegateAmount))
|
|
suite.Require().NoError(err)
|
|
|
|
suite.SlashValidator(valAddr2, d("0.05"))
|
|
|
|
suite.Run("total value", func() {
|
|
totalValue, err := suite.Keeper.GetTotalDerivativeValue(suite.Ctx)
|
|
suite.Require().NoError(err)
|
|
suite.Require().Equal(
|
|
// delegateAmount + (delegateAmount * 95%)
|
|
delegateAmount.Add(delegateAmount.MulRaw(95).QuoRaw(100)),
|
|
totalValue.Amount,
|
|
)
|
|
})
|
|
|
|
suite.Run("1:1 derivative value", func() {
|
|
derivativeValue, err := suite.Keeper.GetDerivativeValue(suite.Ctx, suite.Keeper.GetLiquidStakingTokenDenom(valAddr1))
|
|
suite.Require().NoError(err)
|
|
suite.Require().Equal(suite.NewBondCoin(delegateAmount), derivativeValue)
|
|
})
|
|
|
|
suite.Run("slashed derivative value", func() {
|
|
derivativeValue, err := suite.Keeper.GetDerivativeValue(suite.Ctx, suite.Keeper.GetLiquidStakingTokenDenom(valAddr2))
|
|
suite.Require().NoError(err)
|
|
// delegateAmount * 95%
|
|
suite.Require().Equal(delegateAmount.MulRaw(95).QuoRaw(100), derivativeValue.Amount)
|
|
})
|
|
}
|
|
|
|
func (suite *KeeperTestSuite) TestDerivativeFromTokens() {
|
|
_, addrs := app.GeneratePrivKeyAddressPairs(1)
|
|
valAccAddr := addrs[0]
|
|
valAddr := sdk.ValAddress(valAccAddr)
|
|
moduleAccAddress := authtypes.NewModuleAddress(types.ModuleAccountName)
|
|
|
|
initialBalance := i(1e9)
|
|
|
|
suite.CreateAccountWithAddress(valAccAddr, suite.NewBondCoins(initialBalance))
|
|
suite.AddCoinsToModule(types.ModuleAccountName, suite.NewBondCoins(initialBalance))
|
|
|
|
suite.CreateNewUnbondedValidator(valAddr, initialBalance)
|
|
suite.CreateDelegation(valAddr, moduleAccAddress, initialBalance)
|
|
staking.EndBlocker(suite.Ctx, suite.StakingKeeper)
|
|
|
|
_, err := suite.Keeper.DerivativeFromTokens(suite.Ctx, valAddr, sdk.NewCoin("invalid", initialBalance))
|
|
suite.ErrorIs(err, types.ErrInvalidDenom)
|
|
|
|
derivatives, err := suite.Keeper.DerivativeFromTokens(suite.Ctx, valAddr, suite.NewBondCoin(initialBalance))
|
|
suite.NoError(err)
|
|
expected := sdk.NewCoin(fmt.Sprintf("bkava-%s", valAddr), initialBalance)
|
|
suite.Equal(expected, derivatives)
|
|
}
|