308 lines
11 KiB
Go
308 lines
11 KiB
Go
package slashing_test
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import (
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"errors"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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abci "github.com/tendermint/tendermint/abci/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/slashing"
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slashingkeeper "github.com/cosmos/cosmos-sdk/x/slashing/keeper"
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"github.com/cosmos/cosmos-sdk/x/slashing/types"
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"github.com/cosmos/cosmos-sdk/x/staking"
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)
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func TestCannotUnjailUnlessJailed(t *testing.T) {
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// initial setup
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ctx, bk, sk, _, keeper := slashingkeeper.CreateTestInput(t, slashing.DefaultParams())
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slh := slashing.NewHandler(keeper)
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amt := sdk.TokensFromConsensusPower(100)
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addr, val := slashingkeeper.Addrs[0], slashingkeeper.Pks[0]
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msg := slashingkeeper.NewTestMsgCreateValidator(addr, val, amt)
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res, err := staking.NewHandler(sk)(ctx, msg)
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require.NoError(t, err)
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require.NotNil(t, res)
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staking.EndBlocker(ctx, sk)
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require.Equal(
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t, bk.GetAllBalances(ctx, sdk.AccAddress(addr)),
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sdk.Coins{sdk.NewCoin(sk.GetParams(ctx).BondDenom, slashingkeeper.InitTokens.Sub(amt))},
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)
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require.Equal(t, amt, sk.Validator(ctx, addr).GetBondedTokens())
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// assert non-jailed validator can't be unjailed
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res, err = slh(ctx, slashing.NewMsgUnjail(addr))
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require.Error(t, err)
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require.Nil(t, res)
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require.True(t, errors.Is(slashing.ErrValidatorNotJailed, err))
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}
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func TestCannotUnjailUnlessMeetMinSelfDelegation(t *testing.T) {
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// initial setup
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ctx, bk, sk, _, keeper := slashingkeeper.CreateTestInput(t, slashing.DefaultParams())
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slh := slashing.NewHandler(keeper)
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amtInt := int64(100)
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addr, val, amt := slashingkeeper.Addrs[0], slashingkeeper.Pks[0], sdk.TokensFromConsensusPower(amtInt)
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msg := slashingkeeper.NewTestMsgCreateValidator(addr, val, amt)
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msg.MinSelfDelegation = amt
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res, err := staking.NewHandler(sk)(ctx, msg)
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require.NoError(t, err)
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require.NotNil(t, res)
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staking.EndBlocker(ctx, sk)
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require.Equal(
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t, bk.GetAllBalances(ctx, sdk.AccAddress(addr)),
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sdk.Coins{sdk.NewCoin(sk.GetParams(ctx).BondDenom, slashingkeeper.InitTokens.Sub(amt))},
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)
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unbondAmt := sdk.NewCoin(sk.GetParams(ctx).BondDenom, sdk.OneInt())
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undelegateMsg := staking.NewMsgUndelegate(sdk.AccAddress(addr), addr, unbondAmt)
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res, err = staking.NewHandler(sk)(ctx, undelegateMsg)
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require.NoError(t, err)
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require.NotNil(t, res)
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require.True(t, sk.Validator(ctx, addr).IsJailed())
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// assert non-jailed validator can't be unjailed
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res, err = slh(ctx, slashing.NewMsgUnjail(addr))
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require.Error(t, err)
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require.Nil(t, res)
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require.True(t, errors.Is(slashing.ErrSelfDelegationTooLowToUnjail, err))
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}
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func TestJailedValidatorDelegations(t *testing.T) {
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ctx, _, stakingKeeper, _, slashingKeeper := slashingkeeper.CreateTestInput(t, slashing.DefaultParams())
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stakingParams := stakingKeeper.GetParams(ctx)
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stakingKeeper.SetParams(ctx, stakingParams)
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// create a validator
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bondAmount := sdk.TokensFromConsensusPower(10)
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valPubKey := slashingkeeper.Pks[0]
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valAddr, consAddr := slashingkeeper.Addrs[1], sdk.ConsAddress(slashingkeeper.Addrs[0])
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msgCreateVal := slashingkeeper.NewTestMsgCreateValidator(valAddr, valPubKey, bondAmount)
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res, err := staking.NewHandler(stakingKeeper)(ctx, msgCreateVal)
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require.NoError(t, err)
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require.NotNil(t, res)
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// end block
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staking.EndBlocker(ctx, stakingKeeper)
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// set dummy signing info
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newInfo := slashing.NewValidatorSigningInfo(consAddr, 0, 0, time.Unix(0, 0), false, 0)
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slashingKeeper.SetValidatorSigningInfo(ctx, consAddr, newInfo)
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// delegate tokens to the validator
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delAddr := sdk.AccAddress(slashingkeeper.Addrs[2])
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msgDelegate := slashingkeeper.NewTestMsgDelegate(delAddr, valAddr, bondAmount)
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res, err = staking.NewHandler(stakingKeeper)(ctx, msgDelegate)
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require.NoError(t, err)
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require.NotNil(t, res)
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unbondAmt := sdk.NewCoin(stakingKeeper.GetParams(ctx).BondDenom, bondAmount)
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// unbond validator total self-delegations (which should jail the validator)
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msgUndelegate := staking.NewMsgUndelegate(sdk.AccAddress(valAddr), valAddr, unbondAmt)
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res, err = staking.NewHandler(stakingKeeper)(ctx, msgUndelegate)
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require.NoError(t, err)
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require.NotNil(t, res)
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err = stakingKeeper.CompleteUnbonding(ctx, sdk.AccAddress(valAddr), valAddr)
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require.Nil(t, err, "expected complete unbonding validator to be ok, got: %v", err)
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// verify validator still exists and is jailed
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validator, found := stakingKeeper.GetValidator(ctx, valAddr)
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require.True(t, found)
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require.True(t, validator.IsJailed())
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// verify the validator cannot unjail itself
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res, err = slashing.NewHandler(slashingKeeper)(ctx, slashing.NewMsgUnjail(valAddr))
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require.Error(t, err)
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require.Nil(t, res)
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// self-delegate to validator
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msgSelfDelegate := slashingkeeper.NewTestMsgDelegate(sdk.AccAddress(valAddr), valAddr, bondAmount)
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res, err = staking.NewHandler(stakingKeeper)(ctx, msgSelfDelegate)
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require.NoError(t, err)
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require.NotNil(t, res)
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// verify the validator can now unjail itself
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res, err = slashing.NewHandler(slashingKeeper)(ctx, slashing.NewMsgUnjail(valAddr))
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require.NoError(t, err)
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require.NotNil(t, res)
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}
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func TestInvalidMsg(t *testing.T) {
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k := slashing.Keeper{}
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h := slashing.NewHandler(k)
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res, err := h(sdk.NewContext(nil, abci.Header{}, false, nil), sdk.NewTestMsg())
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require.Error(t, err)
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require.Nil(t, res)
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require.True(t, strings.Contains(err.Error(), "unrecognized slashing message type"))
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}
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// Test a validator through uptime, downtime, revocation,
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// unrevocation, starting height reset, and revocation again
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func TestHandleAbsentValidator(t *testing.T) {
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// initial setup
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ctx, bk, sk, _, keeper := slashingkeeper.CreateTestInput(t, slashingkeeper.TestParams())
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power := int64(100)
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amt := sdk.TokensFromConsensusPower(power)
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addr, val := slashingkeeper.Addrs[0], slashingkeeper.Pks[0]
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sh := staking.NewHandler(sk)
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slh := slashing.NewHandler(keeper)
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res, err := sh(ctx, slashingkeeper.NewTestMsgCreateValidator(addr, val, amt))
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require.NoError(t, err)
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require.NotNil(t, res)
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staking.EndBlocker(ctx, sk)
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require.Equal(
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t, bk.GetAllBalances(ctx, sdk.AccAddress(addr)),
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sdk.NewCoins(sdk.NewCoin(sk.GetParams(ctx).BondDenom, slashingkeeper.InitTokens.Sub(amt))),
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)
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require.Equal(t, amt, sk.Validator(ctx, addr).GetBondedTokens())
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// will exist since the validator has been bonded
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info, found := keeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
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require.True(t, found)
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require.Equal(t, int64(0), info.StartHeight)
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require.Equal(t, int64(0), info.IndexOffset)
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require.Equal(t, int64(0), info.MissedBlocksCounter)
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require.Equal(t, time.Unix(0, 0).UTC(), info.JailedUntil)
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height := int64(0)
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// 1000 first blocks OK
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for ; height < keeper.SignedBlocksWindow(ctx); height++ {
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ctx = ctx.WithBlockHeight(height)
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keeper.HandleValidatorSignature(ctx, val.Address(), power, true)
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}
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info, found = keeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
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require.True(t, found)
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require.Equal(t, int64(0), info.StartHeight)
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require.Equal(t, int64(0), info.MissedBlocksCounter)
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// 500 blocks missed
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for ; height < keeper.SignedBlocksWindow(ctx)+(keeper.SignedBlocksWindow(ctx)-keeper.MinSignedPerWindow(ctx)); height++ {
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ctx = ctx.WithBlockHeight(height)
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keeper.HandleValidatorSignature(ctx, val.Address(), power, false)
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}
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info, found = keeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
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require.True(t, found)
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require.Equal(t, int64(0), info.StartHeight)
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require.Equal(t, keeper.SignedBlocksWindow(ctx)-keeper.MinSignedPerWindow(ctx), info.MissedBlocksCounter)
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// validator should be bonded still
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validator, _ := sk.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
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require.Equal(t, sdk.Bonded, validator.GetStatus())
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bondPool := sk.GetBondedPool(ctx)
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require.True(sdk.IntEq(t, amt, bk.GetBalance(ctx, bondPool.GetAddress(), sk.BondDenom(ctx)).Amount))
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// 501st block missed
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ctx = ctx.WithBlockHeight(height)
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keeper.HandleValidatorSignature(ctx, val.Address(), power, false)
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info, found = keeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
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require.True(t, found)
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require.Equal(t, int64(0), info.StartHeight)
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// counter now reset to zero
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require.Equal(t, int64(0), info.MissedBlocksCounter)
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// end block
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staking.EndBlocker(ctx, sk)
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// validator should have been jailed
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validator, _ = sk.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
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require.Equal(t, sdk.Unbonding, validator.GetStatus())
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slashAmt := amt.ToDec().Mul(keeper.SlashFractionDowntime(ctx)).RoundInt64()
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// validator should have been slashed
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require.Equal(t, amt.Int64()-slashAmt, validator.GetTokens().Int64())
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// 502nd block *also* missed (since the LastCommit would have still included the just-unbonded validator)
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height++
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ctx = ctx.WithBlockHeight(height)
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keeper.HandleValidatorSignature(ctx, val.Address(), power, false)
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info, found = keeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
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require.True(t, found)
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require.Equal(t, int64(0), info.StartHeight)
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require.Equal(t, int64(1), info.MissedBlocksCounter)
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// end block
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staking.EndBlocker(ctx, sk)
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// validator should not have been slashed any more, since it was already jailed
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validator, _ = sk.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
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require.Equal(t, amt.Int64()-slashAmt, validator.GetTokens().Int64())
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// unrevocation should fail prior to jail expiration
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res, err = slh(ctx, types.NewMsgUnjail(addr))
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require.Error(t, err)
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require.Nil(t, res)
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// unrevocation should succeed after jail expiration
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ctx = ctx.WithBlockHeader(abci.Header{Time: time.Unix(1, 0).Add(keeper.DowntimeJailDuration(ctx))})
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res, err = slh(ctx, types.NewMsgUnjail(addr))
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require.NoError(t, err)
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require.NotNil(t, res)
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// end block
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staking.EndBlocker(ctx, sk)
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// validator should be rebonded now
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validator, _ = sk.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
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require.Equal(t, sdk.Bonded, validator.GetStatus())
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// validator should have been slashed
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require.Equal(t, amt.Int64()-slashAmt, bk.GetBalance(ctx, bondPool.GetAddress(), sk.BondDenom(ctx)).Amount.Int64())
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// Validator start height should not have been changed
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info, found = keeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
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require.True(t, found)
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require.Equal(t, int64(0), info.StartHeight)
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// we've missed 2 blocks more than the maximum, so the counter was reset to 0 at 1 block more and is now 1
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require.Equal(t, int64(1), info.MissedBlocksCounter)
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// validator should not be immediately jailed again
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height++
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ctx = ctx.WithBlockHeight(height)
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keeper.HandleValidatorSignature(ctx, val.Address(), power, false)
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validator, _ = sk.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
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require.Equal(t, sdk.Bonded, validator.GetStatus())
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// 500 signed blocks
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nextHeight := height + keeper.MinSignedPerWindow(ctx) + 1
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for ; height < nextHeight; height++ {
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ctx = ctx.WithBlockHeight(height)
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keeper.HandleValidatorSignature(ctx, val.Address(), power, false)
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}
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// end block
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staking.EndBlocker(ctx, sk)
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// validator should be jailed again after 500 unsigned blocks
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nextHeight = height + keeper.MinSignedPerWindow(ctx) + 1
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for ; height <= nextHeight; height++ {
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ctx = ctx.WithBlockHeight(height)
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keeper.HandleValidatorSignature(ctx, val.Address(), power, false)
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}
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// end block
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staking.EndBlocker(ctx, sk)
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validator, _ = sk.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
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require.Equal(t, sdk.Unbonding, validator.GetStatus())
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}
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