forked from cosmos/cosmos-sdk
/
helper.go
133 lines (114 loc) · 4.7 KB
/
helper.go
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package teststaking
import (
"testing"
"time"
"github.com/stretchr/testify/require"
cryptotypes "github.com/JaTochNietDan/cosmos-sdk/crypto/types"
sdk "github.com/JaTochNietDan/cosmos-sdk/types"
"github.com/JaTochNietDan/cosmos-sdk/x/staking"
"github.com/JaTochNietDan/cosmos-sdk/x/staking/keeper"
stakingtypes "github.com/JaTochNietDan/cosmos-sdk/x/staking/types"
)
// Helper is a structure which wraps the staking handler
// and provides methods useful in tests
type Helper struct {
t *testing.T
h sdk.Handler
k keeper.Keeper
Ctx sdk.Context
Commission stakingtypes.CommissionRates
// Coin Denomination
Denom string
}
// NewHelper creates staking Handler wrapper for tests
func NewHelper(t *testing.T, ctx sdk.Context, k keeper.Keeper) *Helper {
return &Helper{t, staking.NewHandler(k), k, ctx, ZeroCommission(), sdk.DefaultBondDenom}
}
// CreateValidator calls handler to create a new staking validator
func (sh *Helper) CreateValidator(addr sdk.ValAddress, pk cryptotypes.PubKey, stakeAmount sdk.Int, ok bool) {
coin := sdk.NewCoin(sh.Denom, stakeAmount)
sh.createValidator(addr, pk, coin, ok)
}
// CreateValidatorWithValPower calls handler to create a new staking validator with zero
// commission
func (sh *Helper) CreateValidatorWithValPower(addr sdk.ValAddress, pk cryptotypes.PubKey, valPower int64, ok bool) sdk.Int {
amount := sdk.TokensFromConsensusPower(valPower)
coin := sdk.NewCoin(sh.Denom, amount)
sh.createValidator(addr, pk, coin, ok)
return amount
}
// CreateValidatorMsg returns a message used to create validator in this service.
func (sh *Helper) CreateValidatorMsg(addr sdk.ValAddress, pk cryptotypes.PubKey, stakeAmount sdk.Int) *stakingtypes.MsgCreateValidator {
coin := sdk.NewCoin(sh.Denom, stakeAmount)
msg, err := stakingtypes.NewMsgCreateValidator(addr, pk, coin, stakingtypes.Description{}, sh.Commission, sdk.OneInt())
require.NoError(sh.t, err)
return msg
}
func (sh *Helper) createValidator(addr sdk.ValAddress, pk cryptotypes.PubKey, coin sdk.Coin, ok bool) {
msg, err := stakingtypes.NewMsgCreateValidator(addr, pk, coin, stakingtypes.Description{}, sh.Commission, sdk.OneInt())
require.NoError(sh.t, err)
sh.Handle(msg, ok)
}
// Delegate calls handler to delegate stake for a validator
func (sh *Helper) Delegate(delegator sdk.AccAddress, val sdk.ValAddress, amount sdk.Int) {
coin := sdk.NewCoin(sh.Denom, amount)
msg := stakingtypes.NewMsgDelegate(delegator, val, coin)
sh.Handle(msg, true)
}
// DelegateWithPower calls handler to delegate stake for a validator
func (sh *Helper) DelegateWithPower(delegator sdk.AccAddress, val sdk.ValAddress, power int64) {
coin := sdk.NewCoin(sh.Denom, sdk.TokensFromConsensusPower(power))
msg := stakingtypes.NewMsgDelegate(delegator, val, coin)
sh.Handle(msg, true)
}
// Undelegate calls handler to unbound some stake from a validator.
func (sh *Helper) Undelegate(delegator sdk.AccAddress, val sdk.ValAddress, amount sdk.Int, ok bool) *sdk.Result {
unbondAmt := sdk.NewCoin(sh.Denom, amount)
msg := stakingtypes.NewMsgUndelegate(delegator, val, unbondAmt)
return sh.Handle(msg, ok)
}
// Handle calls staking handler on a given message
func (sh *Helper) Handle(msg sdk.Msg, ok bool) *sdk.Result {
res, err := sh.h(sh.Ctx, msg)
if ok {
require.NoError(sh.t, err)
require.NotNil(sh.t, res)
} else {
require.Error(sh.t, err)
require.Nil(sh.t, res)
}
return res
}
// CheckValidator asserts that a validor exists and has a given status (if status!="")
// and if has a right jailed flag.
func (sh *Helper) CheckValidator(addr sdk.ValAddress, status stakingtypes.BondStatus, jailed bool) stakingtypes.Validator {
v, ok := sh.k.GetValidator(sh.Ctx, addr)
require.True(sh.t, ok)
require.Equal(sh.t, jailed, v.Jailed, "wrong Jalied status")
if status >= 0 {
require.Equal(sh.t, status, v.Status)
}
return v
}
// CheckDelegator asserts that a delegator exists
func (sh *Helper) CheckDelegator(delegator sdk.AccAddress, val sdk.ValAddress, found bool) {
_, ok := sh.k.GetDelegation(sh.Ctx, delegator, val)
require.Equal(sh.t, ok, found)
}
// TurnBlock calls EndBlocker and updates the block time
func (sh *Helper) TurnBlock(newTime time.Time) sdk.Context {
sh.Ctx = sh.Ctx.WithBlockTime(newTime)
staking.EndBlocker(sh.Ctx, sh.k)
return sh.Ctx
}
// TurnBlockTimeDiff calls EndBlocker and updates the block time by adding the
// duration to the current block time
func (sh *Helper) TurnBlockTimeDiff(diff time.Duration) sdk.Context {
sh.Ctx = sh.Ctx.WithBlockTime(sh.Ctx.BlockHeader().Time.Add(diff))
staking.EndBlocker(sh.Ctx, sh.k)
return sh.Ctx
}
// ZeroCommission constructs a commission rates with all zeros.
func ZeroCommission() stakingtypes.CommissionRates {
return stakingtypes.NewCommissionRates(sdk.ZeroDec(), sdk.ZeroDec(), sdk.ZeroDec())
}