346 lines
13 KiB
Go
346 lines
13 KiB
Go
package keeper_test
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/suite"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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"github.com/cosmos/cosmos-sdk/baseapp"
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simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/slashing/testutil"
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"github.com/cosmos/cosmos-sdk/x/staking"
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authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
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bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
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slashingkeeper "github.com/cosmos/cosmos-sdk/x/slashing/keeper"
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stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
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stakingtestutil "github.com/cosmos/cosmos-sdk/x/staking/testutil"
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codectypes "github.com/cosmos/cosmos-sdk/codec/types"
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slashingtypes "github.com/cosmos/cosmos-sdk/x/slashing/types"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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)
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// The default power validators are initialized to have within tests
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var InitTokens = sdk.TokensFromConsensusPower(200, sdk.DefaultPowerReduction)
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type KeeperTestSuite struct {
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suite.Suite
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ctx sdk.Context
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slashingKeeper slashingkeeper.Keeper
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stakingKeeper *stakingkeeper.Keeper
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bankKeeper bankkeeper.Keeper
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accountKeeper authkeeper.AccountKeeper
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interfaceRegistry codectypes.InterfaceRegistry
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addrDels []sdk.AccAddress
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queryClient slashingtypes.QueryClient
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msgServer slashingtypes.MsgServer
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}
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func (s *KeeperTestSuite) SetupTest() {
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app, err := simtestutil.Setup(
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testutil.AppConfig,
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&s.bankKeeper,
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&s.accountKeeper,
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&s.slashingKeeper,
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&s.stakingKeeper,
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&s.interfaceRegistry,
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)
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s.Require().NoError(err)
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ctx := app.BaseApp.NewContext(false, tmproto.Header{})
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// TestParams set the SignedBlocksWindow to 1000 and MaxMissedBlocksPerWindow to 500
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s.slashingKeeper.SetParams(ctx, testutil.TestParams())
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addrDels := simtestutil.AddTestAddrsIncremental(s.bankKeeper, s.stakingKeeper, ctx, 5, s.stakingKeeper.TokensFromConsensusPower(ctx, 200))
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info1 := slashingtypes.NewValidatorSigningInfo(sdk.ConsAddress(addrDels[0]), int64(4), int64(3),
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time.Unix(2, 0), false, int64(10))
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info2 := slashingtypes.NewValidatorSigningInfo(sdk.ConsAddress(addrDels[1]), int64(5), int64(4),
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time.Unix(2, 0), false, int64(10))
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s.slashingKeeper.SetValidatorSigningInfo(ctx, sdk.ConsAddress(addrDels[0]), info1)
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s.slashingKeeper.SetValidatorSigningInfo(ctx, sdk.ConsAddress(addrDels[1]), info2)
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queryHelper := baseapp.NewQueryServerTestHelper(ctx, s.interfaceRegistry)
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slashingtypes.RegisterQueryServer(queryHelper, s.slashingKeeper)
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queryClient := slashingtypes.NewQueryClient(queryHelper)
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s.queryClient = queryClient
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s.addrDels = addrDels
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s.ctx = ctx
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s.msgServer = slashingkeeper.NewMsgServerImpl(s.slashingKeeper)
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}
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func (s *KeeperTestSuite) TestUnJailNotBonded() {
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ctx := s.ctx
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p := s.stakingKeeper.GetParams(ctx)
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p.MaxValidators = 5
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s.stakingKeeper.SetParams(ctx, p)
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addrDels := simtestutil.AddTestAddrsIncremental(s.bankKeeper, s.stakingKeeper, ctx, 6, s.stakingKeeper.TokensFromConsensusPower(ctx, 200))
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valAddrs := simtestutil.ConvertAddrsToValAddrs(addrDels)
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pks := simtestutil.CreateTestPubKeys(6)
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tstaking := stakingtestutil.NewHelper(s.T(), ctx, s.stakingKeeper)
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// create max (5) validators all with the same power
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for i := uint32(0); i < p.MaxValidators; i++ {
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addr, val := valAddrs[i], pks[i]
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tstaking.CreateValidatorWithValPower(addr, val, 100, true)
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}
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staking.EndBlocker(ctx, s.stakingKeeper)
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ctx = ctx.WithBlockHeight(ctx.BlockHeight() + 1)
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// create a 6th validator with less power than the cliff validator (won't be bonded)
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addr, val := valAddrs[5], pks[5]
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amt := s.stakingKeeper.TokensFromConsensusPower(ctx, 50)
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msg := tstaking.CreateValidatorMsg(addr, val, amt)
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msg.MinSelfDelegation = amt
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res, err := tstaking.CreateValidatorWithMsg(sdk.WrapSDKContext(ctx), msg)
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s.Require().NoError(err)
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s.Require().NotNil(res)
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staking.EndBlocker(ctx, s.stakingKeeper)
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ctx = ctx.WithBlockHeight(ctx.BlockHeight() + 1)
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tstaking.CheckValidator(addr, stakingtypes.Unbonded, false)
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// unbond below minimum self-delegation
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s.Require().Equal(p.BondDenom, tstaking.Denom)
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tstaking.Undelegate(sdk.AccAddress(addr), addr, s.stakingKeeper.TokensFromConsensusPower(ctx, 1), true)
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staking.EndBlocker(ctx, s.stakingKeeper)
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ctx = ctx.WithBlockHeight(ctx.BlockHeight() + 1)
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// verify that validator is jailed
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tstaking.CheckValidator(addr, -1, true)
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// verify we cannot unjail (yet)
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s.Require().Error(s.slashingKeeper.Unjail(ctx, addr))
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staking.EndBlocker(ctx, s.stakingKeeper)
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ctx = ctx.WithBlockHeight(ctx.BlockHeight() + 1)
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// bond to meet minimum self-delegation
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tstaking.DelegateWithPower(sdk.AccAddress(addr), addr, 1)
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staking.EndBlocker(ctx, s.stakingKeeper)
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ctx = ctx.WithBlockHeight(ctx.BlockHeight() + 1)
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// verify we can immediately unjail
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s.Require().NoError(s.slashingKeeper.Unjail(ctx, addr))
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tstaking.CheckValidator(addr, -1, false)
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}
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// Test a new validator entering the validator set
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// Ensure that SigningInfo.StartHeight is set correctly
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// and that they are not immediately jailed
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func (s *KeeperTestSuite) TestHandleNewValidator() {
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ctx := s.ctx
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addrDels := simtestutil.AddTestAddrsIncremental(s.bankKeeper, s.stakingKeeper, ctx, 1, s.stakingKeeper.TokensFromConsensusPower(ctx, 0))
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valAddrs := simtestutil.ConvertAddrsToValAddrs(addrDels)
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pks := simtestutil.CreateTestPubKeys(1)
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addr, val := valAddrs[0], pks[0]
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tstaking := stakingtestutil.NewHelper(s.T(), ctx, s.stakingKeeper)
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ctx = ctx.WithBlockHeight(s.slashingKeeper.SignedBlocksWindow(ctx) + 1)
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// Validator created
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amt := tstaking.CreateValidatorWithValPower(addr, val, 100, true)
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staking.EndBlocker(ctx, s.stakingKeeper)
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s.Require().Equal(
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s.bankKeeper.GetAllBalances(ctx, sdk.AccAddress(addr)),
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sdk.NewCoins(sdk.NewCoin(s.stakingKeeper.GetParams(ctx).BondDenom, InitTokens.Sub(amt))),
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)
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s.Require().Equal(amt, s.stakingKeeper.Validator(ctx, addr).GetBondedTokens())
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// Now a validator, for two blocks
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s.slashingKeeper.HandleValidatorSignature(ctx, val.Address(), 100, true)
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ctx = ctx.WithBlockHeight(s.slashingKeeper.SignedBlocksWindow(ctx) + 2)
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s.slashingKeeper.HandleValidatorSignature(ctx, val.Address(), 100, false)
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info, found := s.slashingKeeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
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s.Require().True(found)
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s.Require().Equal(s.slashingKeeper.SignedBlocksWindow(ctx)+1, info.StartHeight)
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s.Require().Equal(int64(2), info.IndexOffset)
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s.Require().Equal(int64(1), info.MissedBlocksCounter)
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s.Require().Equal(time.Unix(0, 0).UTC(), info.JailedUntil)
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// validator should be bonded still, should not have been jailed or slashed
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validator, _ := s.stakingKeeper.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
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s.Require().Equal(stakingtypes.Bonded, validator.GetStatus())
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bondPool := s.stakingKeeper.GetBondedPool(ctx)
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expTokens := s.stakingKeeper.TokensFromConsensusPower(ctx, 100)
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// adding genesis validator tokens
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expTokens = expTokens.Add(s.stakingKeeper.TokensFromConsensusPower(ctx, 1))
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s.Require().True(expTokens.Equal(s.bankKeeper.GetBalance(ctx, bondPool.GetAddress(), s.stakingKeeper.BondDenom(ctx)).Amount))
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}
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// Test a jailed validator being "down" twice
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// Ensure that they're only slashed once
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func (s *KeeperTestSuite) TestHandleAlreadyJailed() {
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// initial setup
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ctx := s.ctx
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addrDels := simtestutil.AddTestAddrsIncremental(s.bankKeeper, s.stakingKeeper, ctx, 1, s.stakingKeeper.TokensFromConsensusPower(ctx, 200))
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valAddrs := simtestutil.ConvertAddrsToValAddrs(addrDels)
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pks := simtestutil.CreateTestPubKeys(1)
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addr, val := valAddrs[0], pks[0]
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power := int64(100)
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tstaking := stakingtestutil.NewHelper(s.T(), ctx, s.stakingKeeper)
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amt := tstaking.CreateValidatorWithValPower(addr, val, power, true)
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staking.EndBlocker(ctx, s.stakingKeeper)
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// 1000 first blocks OK
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height := int64(0)
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for ; height < s.slashingKeeper.SignedBlocksWindow(ctx); height++ {
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ctx = ctx.WithBlockHeight(height)
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s.slashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, true)
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}
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// 501 blocks missed
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for ; height < s.slashingKeeper.SignedBlocksWindow(ctx)+(s.slashingKeeper.SignedBlocksWindow(ctx)-s.slashingKeeper.MinSignedPerWindow(ctx))+1; height++ {
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ctx = ctx.WithBlockHeight(height)
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s.slashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, false)
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}
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// end block
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staking.EndBlocker(ctx, s.stakingKeeper)
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// validator should have been jailed and slashed
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validator, _ := s.stakingKeeper.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
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s.Require().Equal(stakingtypes.Unbonding, validator.GetStatus())
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// validator should have been slashed
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resultingTokens := amt.Sub(s.stakingKeeper.TokensFromConsensusPower(ctx, 1))
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s.Require().Equal(resultingTokens, validator.GetTokens())
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// another block missed
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ctx = ctx.WithBlockHeight(height)
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s.slashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, false)
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// validator should not have been slashed twice
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validator, _ = s.stakingKeeper.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
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s.Require().Equal(resultingTokens, validator.GetTokens())
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}
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// Test a validator dipping in and out of the validator set
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// Ensure that missed blocks are tracked correctly and that
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// the start height of the signing info is reset correctly
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func (s *KeeperTestSuite) TestValidatorDippingInAndOut() {
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// initial setup
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ctx := s.ctx
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params := s.stakingKeeper.GetParams(ctx)
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params.MaxValidators = 1
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s.stakingKeeper.SetParams(ctx, params)
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power := int64(100)
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pks := simtestutil.CreateTestPubKeys(3)
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simtestutil.AddTestAddrsFromPubKeys(s.bankKeeper, s.stakingKeeper, ctx, pks, s.stakingKeeper.TokensFromConsensusPower(ctx, 200))
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addr, val := pks[0].Address(), pks[0]
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consAddr := sdk.ConsAddress(addr)
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tstaking := stakingtestutil.NewHelper(s.T(), ctx, s.stakingKeeper)
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valAddr := sdk.ValAddress(addr)
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tstaking.CreateValidatorWithValPower(valAddr, val, power, true)
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validatorUpdates := staking.EndBlocker(ctx, s.stakingKeeper)
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s.Require().Equal(2, len(validatorUpdates))
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tstaking.CheckValidator(valAddr, stakingtypes.Bonded, false)
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// 100 first blocks OK
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height := int64(0)
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for ; height < int64(100); height++ {
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ctx = ctx.WithBlockHeight(height)
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s.slashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, true)
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}
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// kick first validator out of validator set
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tstaking.CreateValidatorWithValPower(sdk.ValAddress(pks[1].Address()), pks[1], power+1, true)
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validatorUpdates = staking.EndBlocker(ctx, s.stakingKeeper)
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s.Require().Equal(2, len(validatorUpdates))
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tstaking.CheckValidator(sdk.ValAddress(pks[1].Address()), stakingtypes.Bonded, false)
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tstaking.CheckValidator(valAddr, stakingtypes.Unbonding, false)
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// 600 more blocks happened
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height = height + 600
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ctx = ctx.WithBlockHeight(height)
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// validator added back in
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tstaking.DelegateWithPower(sdk.AccAddress(pks[2].Address()), valAddr, 50)
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validatorUpdates = staking.EndBlocker(ctx, s.stakingKeeper)
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s.Require().Equal(2, len(validatorUpdates))
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tstaking.CheckValidator(valAddr, stakingtypes.Bonded, false)
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newPower := power + 50
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// validator misses a block
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s.slashingKeeper.HandleValidatorSignature(ctx, val.Address(), newPower, false)
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height++
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// shouldn't be jailed/kicked yet
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tstaking.CheckValidator(valAddr, stakingtypes.Bonded, false)
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// validator misses an additional 500 more blocks within the SignedBlockWindow (here 1000 blocks).
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latest := s.slashingKeeper.SignedBlocksWindow(ctx) + height
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// misses 500 blocks + within the signing windows i.e. 700-1700
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// validators misses all 1000 block of a SignedBlockWindows
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for ; height < latest+1; height++ {
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ctx = ctx.WithBlockHeight(height)
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s.slashingKeeper.HandleValidatorSignature(ctx, val.Address(), newPower, false)
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}
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// should now be jailed & kicked
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staking.EndBlocker(ctx, s.stakingKeeper)
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tstaking.CheckValidator(valAddr, stakingtypes.Unbonding, true)
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// check all the signing information
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signInfo, found := s.slashingKeeper.GetValidatorSigningInfo(ctx, consAddr)
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s.Require().True(found)
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s.Require().Equal(int64(700), signInfo.StartHeight)
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s.Require().Equal(int64(0), signInfo.MissedBlocksCounter)
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s.Require().Equal(int64(0), signInfo.IndexOffset)
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// some blocks pass
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height = int64(5000)
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ctx = ctx.WithBlockHeight(height)
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// validator rejoins and starts signing again
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s.stakingKeeper.Unjail(ctx, consAddr)
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s.slashingKeeper.HandleValidatorSignature(ctx, val.Address(), newPower, true)
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// validator should not be kicked since we reset counter/array when it was jailed
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staking.EndBlocker(ctx, s.stakingKeeper)
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tstaking.CheckValidator(valAddr, stakingtypes.Bonded, false)
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// check start height is correctly set
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signInfo, found = s.slashingKeeper.GetValidatorSigningInfo(ctx, consAddr)
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s.Require().True(found)
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s.Require().Equal(height, signInfo.StartHeight)
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// validator misses 501 blocks after SignedBlockWindow period (1000 blocks)
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latest = s.slashingKeeper.SignedBlocksWindow(ctx) + height
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for ; height < latest+s.slashingKeeper.MinSignedPerWindow(ctx); height++ {
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ctx = ctx.WithBlockHeight(height)
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s.slashingKeeper.HandleValidatorSignature(ctx, val.Address(), newPower, false)
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}
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// validator should now be jailed & kicked
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staking.EndBlocker(ctx, s.stakingKeeper)
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tstaking.CheckValidator(valAddr, stakingtypes.Unbonding, true)
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}
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func TestKeeperTestSuite(t *testing.T) {
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suite.Run(t, new(KeeperTestSuite))
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}
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