283 lines
10 KiB
Go
283 lines
10 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/require"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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"github.com/cosmos/cosmos-sdk/simapp"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/slashing/testslashing"
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"github.com/cosmos/cosmos-sdk/x/staking"
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"github.com/cosmos/cosmos-sdk/x/staking/teststaking"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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)
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func TestUnJailNotBonded(t *testing.T) {
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app := simapp.Setup(t, false)
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ctx := app.BaseApp.NewContext(false, tmproto.Header{})
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p := app.StakingKeeper.GetParams(ctx)
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p.MaxValidators = 5
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app.StakingKeeper.SetParams(ctx, p)
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addrDels := simapp.AddTestAddrsIncremental(app, ctx, 6, app.StakingKeeper.TokensFromConsensusPower(ctx, 200))
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valAddrs := simapp.ConvertAddrsToValAddrs(addrDels)
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pks := simapp.CreateTestPubKeys(6)
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tstaking := teststaking.NewHelper(t, ctx, app.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, app.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 := app.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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require.NoError(t, err)
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require.NotNil(t, res)
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staking.EndBlocker(ctx, app.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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require.Equal(t, p.BondDenom, tstaking.Denom)
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tstaking.Undelegate(sdk.AccAddress(addr), addr, app.StakingKeeper.TokensFromConsensusPower(ctx, 1), true)
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staking.EndBlocker(ctx, app.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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require.Error(t, app.SlashingKeeper.Unjail(ctx, addr))
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staking.EndBlocker(ctx, app.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, app.StakingKeeper)
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ctx = ctx.WithBlockHeight(ctx.BlockHeight() + 1)
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// verify we can immediately unjail
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require.NoError(t, app.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 TestHandleNewValidator(t *testing.T) {
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app := simapp.Setup(t, false)
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ctx := app.BaseApp.NewContext(false, tmproto.Header{})
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addrDels := simapp.AddTestAddrsIncremental(app, ctx, 1, app.StakingKeeper.TokensFromConsensusPower(ctx, 200))
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valAddrs := simapp.ConvertAddrsToValAddrs(addrDels)
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pks := simapp.CreateTestPubKeys(1)
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addr, val := valAddrs[0], pks[0]
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tstaking := teststaking.NewHelper(t, ctx, app.StakingKeeper)
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ctx = ctx.WithBlockHeight(app.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, app.StakingKeeper)
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require.Equal(
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t, app.BankKeeper.GetAllBalances(ctx, sdk.AccAddress(addr)),
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sdk.NewCoins(sdk.NewCoin(app.StakingKeeper.GetParams(ctx).BondDenom, InitTokens.Sub(amt))),
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)
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require.Equal(t, amt, app.StakingKeeper.Validator(ctx, addr).GetBondedTokens())
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// Now a validator, for two blocks
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app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), 100, true)
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ctx = ctx.WithBlockHeight(app.SlashingKeeper.SignedBlocksWindow(ctx) + 2)
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app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), 100, false)
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info, found := app.SlashingKeeper.GetValidatorSigningInfo(ctx, sdk.ConsAddress(val.Address()))
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require.True(t, found)
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require.Equal(t, app.SlashingKeeper.SignedBlocksWindow(ctx)+1, info.StartHeight)
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require.Equal(t, int64(2), info.IndexOffset)
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require.Equal(t, int64(1), info.MissedBlocksCounter)
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require.Equal(t, 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, _ := app.StakingKeeper.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
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require.Equal(t, stakingtypes.Bonded, validator.GetStatus())
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bondPool := app.StakingKeeper.GetBondedPool(ctx)
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expTokens := app.StakingKeeper.TokensFromConsensusPower(ctx, 100)
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// adding genesis validator tokens
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expTokens = expTokens.Add(app.StakingKeeper.TokensFromConsensusPower(ctx, 1))
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require.True(t, expTokens.Equal(app.BankKeeper.GetBalance(ctx, bondPool.GetAddress(), app.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 TestHandleAlreadyJailed(t *testing.T) {
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// initial setup
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app := simapp.Setup(t, false)
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ctx := app.BaseApp.NewContext(false, tmproto.Header{})
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addrDels := simapp.AddTestAddrsIncremental(app, ctx, 1, app.StakingKeeper.TokensFromConsensusPower(ctx, 200))
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valAddrs := simapp.ConvertAddrsToValAddrs(addrDels)
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pks := simapp.CreateTestPubKeys(1)
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addr, val := valAddrs[0], pks[0]
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power := int64(100)
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tstaking := teststaking.NewHelper(t, ctx, app.StakingKeeper)
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amt := tstaking.CreateValidatorWithValPower(addr, val, power, true)
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staking.EndBlocker(ctx, app.StakingKeeper)
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// 1000 first blocks OK
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height := int64(0)
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for ; height < app.SlashingKeeper.SignedBlocksWindow(ctx); height++ {
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ctx = ctx.WithBlockHeight(height)
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app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, true)
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}
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// 501 blocks missed
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for ; height < app.SlashingKeeper.SignedBlocksWindow(ctx)+(app.SlashingKeeper.SignedBlocksWindow(ctx)-app.SlashingKeeper.MinSignedPerWindow(ctx))+1; height++ {
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ctx = ctx.WithBlockHeight(height)
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app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, false)
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}
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// end block
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staking.EndBlocker(ctx, app.StakingKeeper)
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// validator should have been jailed and slashed
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validator, _ := app.StakingKeeper.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
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require.Equal(t, stakingtypes.Unbonding, validator.GetStatus())
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// validator should have been slashed
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resultingTokens := amt.Sub(app.StakingKeeper.TokensFromConsensusPower(ctx, 1))
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require.Equal(t, resultingTokens, validator.GetTokens())
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// another block missed
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ctx = ctx.WithBlockHeight(height)
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app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), power, false)
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// validator should not have been slashed twice
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validator, _ = app.StakingKeeper.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(val))
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require.Equal(t, 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 TestValidatorDippingInAndOut(t *testing.T) {
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// initial setup
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// TestParams set the SignedBlocksWindow to 1000 and MaxMissedBlocksPerWindow to 500
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app := simapp.Setup(t, false)
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ctx := app.BaseApp.NewContext(false, tmproto.Header{})
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app.SlashingKeeper.SetParams(ctx, testslashing.TestParams())
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params := app.StakingKeeper.GetParams(ctx)
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params.MaxValidators = 1
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app.StakingKeeper.SetParams(ctx, params)
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power := int64(100)
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pks := simapp.CreateTestPubKeys(3)
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simapp.AddTestAddrsFromPubKeys(app, ctx, pks, app.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 := teststaking.NewHelper(t, ctx, app.StakingKeeper)
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valAddr := sdk.ValAddress(addr)
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tstaking.CreateValidatorWithValPower(valAddr, val, power, true)
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staking.EndBlocker(ctx, app.StakingKeeper)
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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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app.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], 101, true)
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validatorUpdates := staking.EndBlocker(ctx, app.StakingKeeper)
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require.Equal(t, 2, len(validatorUpdates))
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tstaking.CheckValidator(valAddr, stakingtypes.Unbonding, false)
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// 600 more blocks happened
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height = 700
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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()), sdk.ValAddress(pks[0].Address()), 50)
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validatorUpdates = staking.EndBlocker(ctx, app.StakingKeeper)
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require.Equal(t, 2, len(validatorUpdates))
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tstaking.CheckValidator(valAddr, stakingtypes.Bonded, false)
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newPower := int64(150)
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// validator misses a block
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app.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 500 more blocks, 501 total
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latest := height
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for ; height < latest+500; height++ {
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ctx = ctx.WithBlockHeight(height)
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app.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, app.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 := app.SlashingKeeper.GetValidatorSigningInfo(ctx, consAddr)
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require.True(t, found)
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require.Equal(t, int64(0), signInfo.MissedBlocksCounter)
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require.Equal(t, int64(0), signInfo.IndexOffset)
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// array should be cleared
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for offset := int64(0); offset < app.SlashingKeeper.SignedBlocksWindow(ctx); offset++ {
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missed := app.SlashingKeeper.GetValidatorMissedBlockBitArray(ctx, consAddr, offset)
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require.False(t, missed)
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}
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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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app.StakingKeeper.Unjail(ctx, consAddr)
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app.SlashingKeeper.HandleValidatorSignature(ctx, val.Address(), newPower, true)
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height++
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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, app.StakingKeeper)
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tstaking.CheckValidator(valAddr, stakingtypes.Bonded, false)
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// validator misses 501 blocks
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latest = height
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for ; height < latest+501; height++ {
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ctx = ctx.WithBlockHeight(height)
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app.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, app.StakingKeeper)
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tstaking.CheckValidator(valAddr, stakingtypes.Unbonding, true)
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}
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