261 lines
8.4 KiB
Go
261 lines
8.4 KiB
Go
package simulation
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"math/rand"
|
|
|
|
"github.com/cosmos/cosmos-sdk/baseapp"
|
|
"github.com/cosmos/cosmos-sdk/codec"
|
|
"github.com/cosmos/cosmos-sdk/simapp/helpers"
|
|
simappparams "github.com/cosmos/cosmos-sdk/simapp/params"
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
"github.com/cosmos/cosmos-sdk/x/distribution/keeper"
|
|
"github.com/cosmos/cosmos-sdk/x/distribution/types"
|
|
"github.com/cosmos/cosmos-sdk/x/simulation"
|
|
stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
|
|
)
|
|
|
|
// Simulation operation weights constants
|
|
const (
|
|
OpWeightMsgSetWithdrawAddress = "op_weight_msg_set_withdraw_address"
|
|
OpWeightMsgWithdrawDelegationReward = "op_weight_msg_withdraw_delegation_reward"
|
|
OpWeightMsgWithdrawValidatorCommission = "op_weight_msg_withdraw_validator_commission"
|
|
OpWeightMsgFundCommunityPool = "op_weight_msg_fund_community_pool"
|
|
)
|
|
|
|
// WeightedOperations returns all the operations from the module with their respective weights
|
|
func WeightedOperations(
|
|
appParams simulation.AppParams, cdc *codec.Codec, ak types.AccountKeeper,
|
|
k keeper.Keeper, sk stakingkeeper.Keeper,
|
|
) simulation.WeightedOperations {
|
|
|
|
var weightMsgSetWithdrawAddress int
|
|
appParams.GetOrGenerate(cdc, OpWeightMsgSetWithdrawAddress, &weightMsgSetWithdrawAddress, nil,
|
|
func(_ *rand.Rand) {
|
|
weightMsgSetWithdrawAddress = simappparams.DefaultWeightMsgSetWithdrawAddress
|
|
},
|
|
)
|
|
|
|
var weightMsgWithdrawDelegationReward int
|
|
appParams.GetOrGenerate(cdc, OpWeightMsgWithdrawDelegationReward, &weightMsgWithdrawDelegationReward, nil,
|
|
func(_ *rand.Rand) {
|
|
weightMsgWithdrawDelegationReward = simappparams.DefaultWeightMsgWithdrawDelegationReward
|
|
},
|
|
)
|
|
|
|
var weightMsgWithdrawValidatorCommission int
|
|
appParams.GetOrGenerate(cdc, OpWeightMsgWithdrawValidatorCommission, &weightMsgWithdrawValidatorCommission, nil,
|
|
func(_ *rand.Rand) {
|
|
weightMsgWithdrawValidatorCommission = simappparams.DefaultWeightMsgWithdrawValidatorCommission
|
|
},
|
|
)
|
|
|
|
var weightMsgFundCommunityPool int
|
|
appParams.GetOrGenerate(cdc, OpWeightMsgFundCommunityPool, &weightMsgFundCommunityPool, nil,
|
|
func(_ *rand.Rand) {
|
|
weightMsgFundCommunityPool = simappparams.DefaultWeightMsgFundCommunityPool
|
|
},
|
|
)
|
|
|
|
return simulation.WeightedOperations{
|
|
simulation.NewWeightedOperation(
|
|
weightMsgSetWithdrawAddress,
|
|
SimulateMsgSetWithdrawAddress(ak, k),
|
|
),
|
|
simulation.NewWeightedOperation(
|
|
weightMsgWithdrawDelegationReward,
|
|
SimulateMsgWithdrawDelegatorReward(ak, k, sk),
|
|
),
|
|
simulation.NewWeightedOperation(
|
|
weightMsgWithdrawValidatorCommission,
|
|
SimulateMsgWithdrawValidatorCommission(ak, k, sk),
|
|
),
|
|
simulation.NewWeightedOperation(
|
|
weightMsgFundCommunityPool,
|
|
SimulateMsgFundCommunityPool(ak, k, sk),
|
|
),
|
|
}
|
|
}
|
|
|
|
// SimulateMsgSetWithdrawAddress generates a MsgSetWithdrawAddress with random values.
|
|
// nolint: funlen
|
|
func SimulateMsgSetWithdrawAddress(ak types.AccountKeeper, k keeper.Keeper) simulation.Operation {
|
|
return func(
|
|
r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simulation.Account, chainID string,
|
|
) (simulation.OperationMsg, []simulation.FutureOperation, error) {
|
|
if !k.GetWithdrawAddrEnabled(ctx) {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, nil
|
|
}
|
|
|
|
simAccount, _ := simulation.RandomAcc(r, accs)
|
|
simToAccount, _ := simulation.RandomAcc(r, accs)
|
|
account := ak.GetAccount(ctx, simAccount.Address)
|
|
|
|
fees, err := simulation.RandomFees(r, ctx, account.SpendableCoins(ctx.BlockTime()))
|
|
if err != nil {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, err
|
|
}
|
|
|
|
msg := types.NewMsgSetWithdrawAddress(simAccount.Address, simToAccount.Address)
|
|
|
|
tx := helpers.GenTx(
|
|
[]sdk.Msg{msg},
|
|
fees,
|
|
chainID,
|
|
[]uint64{account.GetAccountNumber()},
|
|
[]uint64{account.GetSequence()},
|
|
simAccount.PrivKey,
|
|
)
|
|
|
|
res := app.Deliver(tx)
|
|
if !res.IsOK() {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, errors.New(res.Log)
|
|
}
|
|
|
|
return simulation.NewOperationMsg(msg, true, ""), nil, nil
|
|
}
|
|
}
|
|
|
|
// SimulateMsgWithdrawDelegatorReward generates a MsgWithdrawDelegatorReward with random values.
|
|
// nolint: funlen
|
|
func SimulateMsgWithdrawDelegatorReward(ak types.AccountKeeper, k keeper.Keeper, sk stakingkeeper.Keeper) simulation.Operation {
|
|
return func(
|
|
r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simulation.Account, chainID string,
|
|
) (simulation.OperationMsg, []simulation.FutureOperation, error) {
|
|
simAccount, _ := simulation.RandomAcc(r, accs)
|
|
delegations := sk.GetAllDelegatorDelegations(ctx, simAccount.Address)
|
|
if len(delegations) == 0 {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, nil
|
|
}
|
|
|
|
delegation := delegations[r.Intn(len(delegations))]
|
|
|
|
validator := sk.Validator(ctx, delegation.GetValidatorAddr())
|
|
if validator == nil {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, fmt.Errorf("validator %s not found", delegation.GetValidatorAddr())
|
|
}
|
|
|
|
account := ak.GetAccount(ctx, simAccount.Address)
|
|
fees, err := simulation.RandomFees(r, ctx, account.SpendableCoins(ctx.BlockTime()))
|
|
if err != nil {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, err
|
|
}
|
|
|
|
msg := types.NewMsgWithdrawDelegatorReward(simAccount.Address, validator.GetOperator())
|
|
|
|
tx := helpers.GenTx(
|
|
[]sdk.Msg{msg},
|
|
fees,
|
|
chainID,
|
|
[]uint64{account.GetAccountNumber()},
|
|
[]uint64{account.GetSequence()},
|
|
simAccount.PrivKey,
|
|
)
|
|
|
|
res := app.Deliver(tx)
|
|
if !res.IsOK() {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, errors.New(res.Log)
|
|
}
|
|
|
|
return simulation.NewOperationMsg(msg, true, ""), nil, nil
|
|
}
|
|
}
|
|
|
|
// SimulateMsgWithdrawValidatorCommission generates a MsgWithdrawValidatorCommission with random values.
|
|
// nolint: funlen
|
|
func SimulateMsgWithdrawValidatorCommission(ak types.AccountKeeper, k keeper.Keeper, sk stakingkeeper.Keeper) simulation.Operation {
|
|
return func(
|
|
r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simulation.Account, chainID string,
|
|
) (simulation.OperationMsg, []simulation.FutureOperation, error) {
|
|
|
|
validator, ok := stakingkeeper.RandomValidator(r, sk, ctx)
|
|
if !ok {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, nil
|
|
}
|
|
|
|
commission := k.GetValidatorAccumulatedCommission(ctx, validator.GetOperator())
|
|
if commission.IsZero() {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, nil
|
|
}
|
|
|
|
simAccount, found := simulation.FindAccount(accs, sdk.AccAddress(validator.GetOperator()))
|
|
if !found {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, fmt.Errorf("validator %s not found", validator.GetOperator())
|
|
}
|
|
|
|
account := ak.GetAccount(ctx, simAccount.Address)
|
|
fees, err := simulation.RandomFees(r, ctx, account.SpendableCoins(ctx.BlockTime()))
|
|
if err != nil {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, err
|
|
}
|
|
|
|
msg := types.NewMsgWithdrawValidatorCommission(validator.GetOperator())
|
|
|
|
tx := helpers.GenTx(
|
|
[]sdk.Msg{msg},
|
|
fees,
|
|
chainID,
|
|
[]uint64{account.GetAccountNumber()},
|
|
[]uint64{account.GetSequence()},
|
|
simAccount.PrivKey,
|
|
)
|
|
|
|
res := app.Deliver(tx)
|
|
if !res.IsOK() {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, errors.New(res.Log)
|
|
}
|
|
|
|
return simulation.NewOperationMsg(msg, true, ""), nil, nil
|
|
}
|
|
}
|
|
|
|
// SimulateMsgFundCommunityPool simulates MsgFundCommunityPool execution where
|
|
// a random account sends a random amount of its funds to the community pool.
|
|
func SimulateMsgFundCommunityPool(ak types.AccountKeeper, k keeper.Keeper, sk stakingkeeper.Keeper) simulation.Operation {
|
|
return func(
|
|
r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simulation.Account, chainID string,
|
|
) (simulation.OperationMsg, []simulation.FutureOperation, error) {
|
|
|
|
funder, _ := simulation.RandomAcc(r, accs)
|
|
|
|
account := ak.GetAccount(ctx, funder.Address)
|
|
coins := account.SpendableCoins(ctx.BlockTime())
|
|
|
|
fundAmount := simulation.RandSubsetCoins(r, coins)
|
|
if fundAmount.Empty() {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, nil
|
|
}
|
|
|
|
var (
|
|
fees sdk.Coins
|
|
err error
|
|
)
|
|
|
|
coins, hasNeg := coins.SafeSub(fundAmount)
|
|
if !hasNeg {
|
|
fees, err = simulation.RandomFees(r, ctx, coins)
|
|
if err != nil {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, err
|
|
}
|
|
}
|
|
|
|
msg := types.NewMsgFundCommunityPool(fundAmount, funder.Address)
|
|
tx := helpers.GenTx(
|
|
[]sdk.Msg{msg},
|
|
fees,
|
|
chainID,
|
|
[]uint64{account.GetAccountNumber()},
|
|
[]uint64{account.GetSequence()},
|
|
funder.PrivKey,
|
|
)
|
|
|
|
res := app.Deliver(tx)
|
|
if !res.IsOK() {
|
|
return simulation.NoOpMsg(types.ModuleName), nil, errors.New(res.Log)
|
|
}
|
|
|
|
return simulation.NewOperationMsg(msg, true, ""), nil, nil
|
|
}
|
|
}
|