296 lines
12 KiB
Go
296 lines
12 KiB
Go
package slashing_test
|
|
|
|
import (
|
|
"errors"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
|
|
|
|
"github.com/cosmos/cosmos-sdk/simapp"
|
|
"github.com/cosmos/cosmos-sdk/testutil/testdata"
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
"github.com/cosmos/cosmos-sdk/x/slashing"
|
|
"github.com/cosmos/cosmos-sdk/x/slashing/keeper"
|
|
"github.com/cosmos/cosmos-sdk/x/slashing/testslashing"
|
|
"github.com/cosmos/cosmos-sdk/x/slashing/types"
|
|
"github.com/cosmos/cosmos-sdk/x/staking"
|
|
"github.com/cosmos/cosmos-sdk/x/staking/teststaking"
|
|
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
|
|
)
|
|
|
|
func TestCannotUnjailUnlessJailed(t *testing.T) {
|
|
// initial setup
|
|
app := simapp.Setup(false)
|
|
ctx := app.BaseApp.NewContext(false, tmproto.Header{})
|
|
pks := simapp.CreateTestPubKeys(1)
|
|
simapp.AddTestAddrsFromPubKeys(app, ctx, pks, app.StakingKeeper.TokensFromConsensusPower(ctx, 200))
|
|
|
|
tstaking := teststaking.NewHelper(t, ctx, app.StakingKeeper)
|
|
slh := slashing.NewHandler(app.SlashingKeeper)
|
|
addr, val := sdk.ValAddress(pks[0].Address()), pks[0]
|
|
|
|
amt := tstaking.CreateValidatorWithValPower(addr, val, 100, true)
|
|
staking.EndBlocker(ctx, app.StakingKeeper)
|
|
require.Equal(
|
|
t, app.BankKeeper.GetAllBalances(ctx, sdk.AccAddress(addr)),
|
|
sdk.Coins{sdk.NewCoin(app.StakingKeeper.GetParams(ctx).BondDenom, InitTokens.Sub(amt))},
|
|
)
|
|
require.Equal(t, amt, app.StakingKeeper.Validator(ctx, addr).GetBondedTokens())
|
|
|
|
// assert non-jailed validator can't be unjailed
|
|
res, err := slh(ctx, types.NewMsgUnjail(addr))
|
|
require.Error(t, err)
|
|
require.Nil(t, res)
|
|
require.True(t, errors.Is(types.ErrValidatorNotJailed, err))
|
|
}
|
|
|
|
func TestCannotUnjailUnlessMeetMinSelfDelegation(t *testing.T) {
|
|
// initial setup
|
|
app := simapp.Setup(false)
|
|
ctx := app.BaseApp.NewContext(false, tmproto.Header{})
|
|
pks := simapp.CreateTestPubKeys(1)
|
|
simapp.AddTestAddrsFromPubKeys(app, ctx, pks, app.StakingKeeper.TokensFromConsensusPower(ctx, 200))
|
|
|
|
tstaking := teststaking.NewHelper(t, ctx, app.StakingKeeper)
|
|
slh := slashing.NewHandler(app.SlashingKeeper)
|
|
addr, val := sdk.ValAddress(pks[0].Address()), pks[0]
|
|
amt := app.StakingKeeper.TokensFromConsensusPower(ctx, 100)
|
|
msg := tstaking.CreateValidatorMsg(addr, val, amt)
|
|
msg.MinSelfDelegation = amt
|
|
tstaking.Handle(msg, true)
|
|
|
|
staking.EndBlocker(ctx, app.StakingKeeper)
|
|
require.Equal(
|
|
t, app.BankKeeper.GetAllBalances(ctx, sdk.AccAddress(addr)),
|
|
sdk.Coins{sdk.NewCoin(app.StakingKeeper.GetParams(ctx).BondDenom, InitTokens.Sub(amt))},
|
|
)
|
|
|
|
tstaking.Undelegate(sdk.AccAddress(addr), addr, sdk.OneInt(), true)
|
|
require.True(t, app.StakingKeeper.Validator(ctx, addr).IsJailed())
|
|
|
|
// assert non-jailed validator can't be unjailed
|
|
res, err := slh(ctx, types.NewMsgUnjail(addr))
|
|
require.Error(t, err)
|
|
require.Nil(t, res)
|
|
require.True(t, errors.Is(types.ErrSelfDelegationTooLowToUnjail, err))
|
|
}
|
|
|
|
func TestJailedValidatorDelegations(t *testing.T) {
|
|
// initial setup
|
|
app := simapp.Setup(false)
|
|
ctx := app.BaseApp.NewContext(false, tmproto.Header{Time: time.Unix(0, 0)})
|
|
pks := simapp.CreateTestPubKeys(3)
|
|
|
|
simapp.AddTestAddrsFromPubKeys(app, ctx, pks, app.StakingKeeper.TokensFromConsensusPower(ctx, 20))
|
|
app.SlashingKeeper.SetParams(ctx, testslashing.TestParams())
|
|
|
|
tstaking := teststaking.NewHelper(t, ctx, app.StakingKeeper)
|
|
stakingParams := app.StakingKeeper.GetParams(ctx)
|
|
app.StakingKeeper.SetParams(ctx, stakingParams)
|
|
valAddr, consAddr := sdk.ValAddress(pks[1].Address()), sdk.ConsAddress(pks[0].Address())
|
|
|
|
amt := tstaking.CreateValidatorWithValPower(valAddr, pks[1], 10, true)
|
|
staking.EndBlocker(ctx, app.StakingKeeper)
|
|
|
|
// set dummy signing info
|
|
newInfo := types.NewValidatorSigningInfo(consAddr, 0, 0, time.Unix(0, 0), false, 0)
|
|
app.SlashingKeeper.SetValidatorSigningInfo(ctx, consAddr, newInfo)
|
|
|
|
// delegate tokens to the validator
|
|
delAddr := sdk.AccAddress(pks[2].Address())
|
|
tstaking.Delegate(delAddr, valAddr, amt)
|
|
|
|
// unbond validator total self-delegations (which should jail the validator)
|
|
valAcc := sdk.AccAddress(valAddr)
|
|
tstaking.Undelegate(valAcc, valAddr, amt, true)
|
|
_, err := app.StakingKeeper.CompleteUnbonding(ctx, sdk.AccAddress(valAddr), valAddr)
|
|
require.Nil(t, err, "expected complete unbonding validator to be ok, got: %v", err)
|
|
|
|
// verify validator still exists and is jailed
|
|
validator, found := app.StakingKeeper.GetValidator(ctx, valAddr)
|
|
require.True(t, found)
|
|
require.True(t, validator.IsJailed())
|
|
|
|
// verify the validator cannot unjail itself
|
|
res, err := slashing.NewHandler(app.SlashingKeeper)(ctx, types.NewMsgUnjail(valAddr))
|
|
require.Error(t, err)
|
|
require.Nil(t, res)
|
|
|
|
// self-delegate to validator
|
|
tstaking.Delegate(valAcc, valAddr, amt)
|
|
|
|
// verify the validator can now unjail itself
|
|
res, err = slashing.NewHandler(app.SlashingKeeper)(ctx, types.NewMsgUnjail(valAddr))
|
|
require.NoError(t, err)
|
|
require.NotNil(t, res)
|
|
}
|
|
|
|
func TestInvalidMsg(t *testing.T) {
|
|
k := keeper.Keeper{}
|
|
h := slashing.NewHandler(k)
|
|
|
|
res, err := h(sdk.NewContext(nil, tmproto.Header{}, false, nil), testdata.NewTestMsg())
|
|
require.Error(t, err)
|
|
require.Nil(t, res)
|
|
require.True(t, strings.Contains(err.Error(), "unrecognized slashing message type"))
|
|
}
|
|
|
|
// Test a validator through uptime, downtime, revocation,
|
|
// unrevocation, starting height reset, and revocation again
|
|
func TestHandleAbsentValidator(t *testing.T) {
|
|
// initial setup
|
|
app := simapp.Setup(false)
|
|
ctx := app.BaseApp.NewContext(false, tmproto.Header{Time: time.Unix(0, 0)})
|
|
pks := simapp.CreateTestPubKeys(1)
|
|
simapp.AddTestAddrsFromPubKeys(app, ctx, pks, app.StakingKeeper.TokensFromConsensusPower(ctx, 200))
|
|
app.SlashingKeeper.SetParams(ctx, testslashing.TestParams())
|
|
|
|
power := int64(100)
|
|
addr, val := sdk.ValAddress(pks[0].Address()), pks[0]
|
|
slh := slashing.NewHandler(app.SlashingKeeper)
|
|
tstaking := teststaking.NewHelper(t, ctx, app.StakingKeeper)
|
|
|
|
amt := tstaking.CreateValidatorWithValPower(addr, val, power, true)
|
|
staking.EndBlocker(ctx, app.StakingKeeper)
|
|
|
|
require.Equal(
|
|
t, app.BankKeeper.GetAllBalances(ctx, sdk.AccAddress(addr)),
|
|
sdk.NewCoins(sdk.NewCoin(app.StakingKeeper.GetParams(ctx).BondDenom, InitTokens.Sub(amt))),
|
|
)
|
|
require.Equal(t, amt, app.StakingKeeper.Validator(ctx, addr).GetBondedTokens())
|
|
|
|
// will exist since the validator has been bonded
|
|
info, found := app.SlashingKeeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
|
|
require.True(t, found)
|
|
require.Equal(t, int64(0), info.StartHeight)
|
|
require.Equal(t, int64(0), info.IndexOffset)
|
|
require.Equal(t, int64(0), info.MissedBlocksCounter)
|
|
require.Equal(t, time.Unix(0, 0).UTC(), info.JailedUntil)
|
|
height := int64(0)
|
|
|
|
// 1000 first blocks OK
|
|
for ; height < app.SlashingKeeper.SignedBlocksWindow(ctx); height++ {
|
|
ctx = ctx.WithBlockHeight(height)
|
|
app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, true)
|
|
}
|
|
info, found = app.SlashingKeeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
|
|
require.True(t, found)
|
|
require.Equal(t, int64(0), info.StartHeight)
|
|
require.Equal(t, int64(0), info.MissedBlocksCounter)
|
|
|
|
// 500 blocks missed
|
|
for ; height < app.SlashingKeeper.SignedBlocksWindow(ctx)+(app.SlashingKeeper.SignedBlocksWindow(ctx)-app.SlashingKeeper.MinSignedPerWindow(ctx)); height++ {
|
|
ctx = ctx.WithBlockHeight(height)
|
|
app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, false)
|
|
}
|
|
info, found = app.SlashingKeeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
|
|
require.True(t, found)
|
|
require.Equal(t, int64(0), info.StartHeight)
|
|
require.Equal(t, app.SlashingKeeper.SignedBlocksWindow(ctx)-app.SlashingKeeper.MinSignedPerWindow(ctx), info.MissedBlocksCounter)
|
|
|
|
// validator should be bonded still
|
|
validator, _ := app.StakingKeeper.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
|
|
require.Equal(t, stakingtypes.Bonded, validator.GetStatus())
|
|
|
|
bondPool := app.StakingKeeper.GetBondedPool(ctx)
|
|
require.True(sdk.IntEq(t, amt, app.BankKeeper.GetBalance(ctx, bondPool.GetAddress(), app.StakingKeeper.BondDenom(ctx)).Amount))
|
|
|
|
// 501st block missed
|
|
ctx = ctx.WithBlockHeight(height)
|
|
app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, false)
|
|
info, found = app.SlashingKeeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
|
|
require.True(t, found)
|
|
require.Equal(t, int64(0), info.StartHeight)
|
|
// counter now reset to zero
|
|
require.Equal(t, int64(0), info.MissedBlocksCounter)
|
|
|
|
// end block
|
|
staking.EndBlocker(ctx, app.StakingKeeper)
|
|
|
|
// validator should have been jailed
|
|
validator, _ = app.StakingKeeper.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
|
|
require.Equal(t, stakingtypes.Unbonding, validator.GetStatus())
|
|
|
|
slashAmt := amt.ToDec().Mul(app.SlashingKeeper.SlashFractionDowntime(ctx)).RoundInt()
|
|
|
|
// validator should have been slashed
|
|
require.True(t, amt.Sub(slashAmt).Equal(validator.GetTokens()))
|
|
|
|
// 502nd block *also* missed (since the LastCommit would have still included the just-unbonded validator)
|
|
height++
|
|
ctx = ctx.WithBlockHeight(height)
|
|
app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, false)
|
|
info, found = app.SlashingKeeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
|
|
require.True(t, found)
|
|
require.Equal(t, int64(0), info.StartHeight)
|
|
require.Equal(t, int64(1), info.MissedBlocksCounter)
|
|
|
|
// end block
|
|
staking.EndBlocker(ctx, app.StakingKeeper)
|
|
|
|
// validator should not have been slashed any more, since it was already jailed
|
|
validator, _ = app.StakingKeeper.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
|
|
require.True(t, amt.Sub(slashAmt).Equal(validator.GetTokens()))
|
|
|
|
// unrevocation should fail prior to jail expiration
|
|
res, err := slh(ctx, types.NewMsgUnjail(addr))
|
|
require.Error(t, err)
|
|
require.Nil(t, res)
|
|
|
|
// unrevocation should succeed after jail expiration
|
|
ctx = ctx.WithBlockHeader(tmproto.Header{Time: time.Unix(1, 0).Add(app.SlashingKeeper.DowntimeJailDuration(ctx))})
|
|
res, err = slh(ctx, types.NewMsgUnjail(addr))
|
|
require.NoError(t, err)
|
|
require.NotNil(t, res)
|
|
|
|
// end block
|
|
staking.EndBlocker(ctx, app.StakingKeeper)
|
|
|
|
// validator should be rebonded now
|
|
validator, _ = app.StakingKeeper.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
|
|
require.Equal(t, stakingtypes.Bonded, validator.GetStatus())
|
|
|
|
// validator should have been slashed
|
|
require.True(t, amt.Sub(slashAmt).Equal(app.BankKeeper.GetBalance(ctx, bondPool.GetAddress(), app.StakingKeeper.BondDenom(ctx)).Amount))
|
|
|
|
// Validator start height should not have been changed
|
|
info, found = app.SlashingKeeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
|
|
require.True(t, found)
|
|
require.Equal(t, int64(0), info.StartHeight)
|
|
// we've missed 2 blocks more than the maximum, so the counter was reset to 0 at 1 block more and is now 1
|
|
require.Equal(t, int64(1), info.MissedBlocksCounter)
|
|
|
|
// validator should not be immediately jailed again
|
|
height++
|
|
ctx = ctx.WithBlockHeight(height)
|
|
app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, false)
|
|
validator, _ = app.StakingKeeper.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
|
|
require.Equal(t, stakingtypes.Bonded, validator.GetStatus())
|
|
|
|
// 500 signed blocks
|
|
nextHeight := height + app.SlashingKeeper.MinSignedPerWindow(ctx) + 1
|
|
for ; height < nextHeight; height++ {
|
|
ctx = ctx.WithBlockHeight(height)
|
|
app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, false)
|
|
}
|
|
|
|
// end block
|
|
staking.EndBlocker(ctx, app.StakingKeeper)
|
|
|
|
// validator should be jailed again after 500 unsigned blocks
|
|
nextHeight = height + app.SlashingKeeper.MinSignedPerWindow(ctx) + 1
|
|
for ; height <= nextHeight; height++ {
|
|
ctx = ctx.WithBlockHeight(height)
|
|
app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, false)
|
|
}
|
|
|
|
// end block
|
|
staking.EndBlocker(ctx, app.StakingKeeper)
|
|
|
|
validator, _ = app.StakingKeeper.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
|
|
require.Equal(t, stakingtypes.Unbonding, validator.GetStatus())
|
|
}
|