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test_utils.go
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test_utils.go
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package types
import (
"math"
"math/rand"
"time"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
sdk "github.com/cosmos/cosmos-sdk/types"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/tendermint/tendermint/crypto/secp256k1"
tmprotocrypto "github.com/tendermint/tendermint/proto/tendermint/crypto"
)
const OracleDecPrecision = 8
func GenerateRandomTestCase() (rates []float64, valValAddrs []sdk.ValAddress, stakingKeeper DummyStakingKeeper) {
valValAddrs = []sdk.ValAddress{}
mockValidators := []MockValidator{}
base := math.Pow10(OracleDecPrecision)
r := rand.New(rand.NewSource(int64(time.Now().Nanosecond())))
numInputs := 10 + (r.Int() % 100)
for i := 0; i < numInputs; i++ {
rate := float64(int64(r.Float64()*base)) / base
rates = append(rates, rate)
pubKey := secp256k1.GenPrivKey().PubKey()
valValAddr := sdk.ValAddress(pubKey.Address())
valValAddrs = append(valValAddrs, valValAddr)
power := r.Int63()%1000 + 1
mockValidator := NewMockValidator(valValAddr, power)
mockValidators = append(mockValidators, mockValidator)
}
stakingKeeper = NewDummyStakingKeeper(mockValidators)
return
}
var _ StakingKeeper = DummyStakingKeeper{}
// DummyStakingKeeper dummy staking keeper to test ballot
type DummyStakingKeeper struct {
validators []MockValidator
}
// NewDummyStakingKeeper returns new DummyStakingKeeper instance
func NewDummyStakingKeeper(validators []MockValidator) DummyStakingKeeper {
return DummyStakingKeeper{
validators: validators,
}
}
func (sk DummyStakingKeeper) Validators() []MockValidator {
return sk.validators
}
func (sk DummyStakingKeeper) Validator(_ sdk.Context, address sdk.ValAddress) stakingtypes.ValidatorI {
for _, validator := range sk.validators {
if validator.GetOperator().Equals(address) {
return validator
}
}
return nil
}
func (DummyStakingKeeper) TotalBondedTokens(sdk.Context) sdk.Int {
return sdk.ZeroInt()
}
func (DummyStakingKeeper) Slash(sdk.Context, sdk.ConsAddress, int64, int64, sdk.Dec) sdk.Int {
return sdk.ZeroInt()
}
func (DummyStakingKeeper) ValidatorsPowerStoreIterator(sdk.Context) sdk.Iterator {
return sdk.KVStoreReversePrefixIterator(nil, nil)
}
func (DummyStakingKeeper) Jail(sdk.Context, sdk.ConsAddress) {
}
func (sk DummyStakingKeeper) GetLastValidatorPower(ctx sdk.Context, operator sdk.ValAddress) (power int64) {
return sk.Validator(ctx, operator).GetConsensusPower(sdk.DefaultPowerReduction)
}
// MaxValidators returns the maximum amount of bonded validators
func (DummyStakingKeeper) MaxValidators(sdk.Context) uint32 {
return 100
}
// PowerReduction - is the amount of staking tokens required for 1 unit of consensus-engine power
func (DummyStakingKeeper) PowerReduction(sdk.Context) (res sdk.Int) {
res = sdk.DefaultPowerReduction
return
}
type MockValidator struct {
power int64
operator sdk.ValAddress
}
var _ stakingtypes.ValidatorI = MockValidator{}
func (MockValidator) IsJailed() bool { return false }
func (MockValidator) GetMoniker() string { return "" }
func (MockValidator) GetStatus() stakingtypes.BondStatus { return stakingtypes.Bonded }
func (MockValidator) IsBonded() bool { return true }
func (MockValidator) IsUnbonded() bool { return false }
func (MockValidator) IsUnbonding() bool { return false }
func (v MockValidator) GetOperator() sdk.ValAddress { return v.operator }
func (MockValidator) ConsPubKey() (cryptotypes.PubKey, error) { return nil, nil }
func (MockValidator) TmConsPublicKey() (tmprotocrypto.PublicKey, error) {
return tmprotocrypto.PublicKey{}, nil
}
func (MockValidator) GetConsAddr() (sdk.ConsAddress, error) { return nil, nil }
func (v MockValidator) GetTokens() sdk.Int {
return sdk.TokensFromConsensusPower(v.power, sdk.DefaultPowerReduction)
}
func (v MockValidator) GetBondedTokens() sdk.Int {
return sdk.TokensFromConsensusPower(v.power, sdk.DefaultPowerReduction)
}
func (v MockValidator) GetConsensusPower(_ sdk.Int) int64 { return v.power }
func (v *MockValidator) SetConsensusPower(power int64) { v.power = power }
func (v MockValidator) GetCommission() sdk.Dec { return sdk.ZeroDec() }
func (v MockValidator) GetMinSelfDelegation() sdk.Int { return sdk.OneInt() }
func (v MockValidator) GetDelegatorShares() sdk.Dec { return sdk.NewDec(v.power) }
func (v MockValidator) TokensFromShares(sdk.Dec) sdk.Dec { return sdk.ZeroDec() }
func (v MockValidator) TokensFromSharesTruncated(sdk.Dec) sdk.Dec { return sdk.ZeroDec() }
func (v MockValidator) TokensFromSharesRoundUp(sdk.Dec) sdk.Dec { return sdk.ZeroDec() }
func (v MockValidator) SharesFromTokens(_ sdk.Int) (sdk.Dec, error) { return sdk.ZeroDec(), nil }
func (v MockValidator) SharesFromTokensTruncated(_ sdk.Int) (sdk.Dec, error) {
return sdk.ZeroDec(), nil
}
func NewMockValidator(valAddr sdk.ValAddress, power int64) MockValidator {
return MockValidator{
power: power,
operator: valAddr,
}
}