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genesis.go
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genesis.go
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package simulation
// DONTCOVER
import (
"fmt"
"math/rand"
"time"
"github.com/furyaxyz/fuxchain/libs/cosmos-sdk/codec"
sdk "github.com/furyaxyz/fuxchain/libs/cosmos-sdk/types"
"github.com/furyaxyz/fuxchain/libs/cosmos-sdk/types/module"
"github.com/furyaxyz/fuxchain/libs/cosmos-sdk/x/simulation"
"github.com/furyaxyz/fuxchain/libs/cosmos-sdk/x/staking/types"
)
// Simulation parameter constants
const (
UnbondingTime = "unbonding_time"
MaxValidators = "max_validators"
)
// GenUnbondingTime randomized UnbondingTime
func GenUnbondingTime(r *rand.Rand) (ubdTime time.Duration) {
return time.Duration(simulation.RandIntBetween(r, 60, 60*60*24*3*2)) * time.Second
}
// GenMaxValidators randomized MaxValidators
func GenMaxValidators(r *rand.Rand) (maxValidators uint16) {
return uint16(r.Intn(250) + 1)
}
// RandomizedGenState generates a random GenesisState for staking
func RandomizedGenState(simState *module.SimulationState) {
// params
var unbondTime time.Duration
simState.AppParams.GetOrGenerate(
simState.Cdc, UnbondingTime, &unbondTime, simState.Rand,
func(r *rand.Rand) { unbondTime = GenUnbondingTime(r) },
)
var maxValidators uint16
simState.AppParams.GetOrGenerate(
simState.Cdc, MaxValidators, &maxValidators, simState.Rand,
func(r *rand.Rand) { maxValidators = GenMaxValidators(r) },
)
// NOTE: the slashing module need to be defined after the staking module on the
// NewSimulationManager constructor for this to work
simState.UnbondTime = unbondTime
params := types.NewParams(simState.UnbondTime, maxValidators, 7, 3, sdk.DefaultBondDenom)
// validators & delegations
var (
validators []types.Validator
delegations []types.Delegation
)
valAddrs := make([]sdk.ValAddress, simState.NumBonded)
for i := 0; i < int(simState.NumBonded); i++ {
valAddr := sdk.ValAddress(simState.Accounts[i].Address)
valAddrs[i] = valAddr
maxCommission := sdk.NewDecWithPrec(int64(simulation.RandIntBetween(simState.Rand, 1, 100)), 2)
commission := types.NewCommission(
simulation.RandomDecAmount(simState.Rand, maxCommission),
maxCommission,
simulation.RandomDecAmount(simState.Rand, maxCommission),
)
validator := types.NewValidator(valAddr, simState.Accounts[i].PubKey, types.Description{})
validator.Tokens = sdk.NewInt(simState.InitialStake)
validator.DelegatorShares = sdk.NewDec(simState.InitialStake)
validator.Commission = commission
delegation := types.NewDelegation(simState.Accounts[i].Address, valAddr, sdk.NewDec(simState.InitialStake))
validators = append(validators, validator)
delegations = append(delegations, delegation)
}
stakingGenesis := types.NewGenesisState(params, validators, delegations)
fmt.Printf("Selected randomly generated staking parameters:\n%s\n", codec.MustMarshalJSONIndent(simState.Cdc, stakingGenesis.Params))
simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(stakingGenesis)
}