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operations.go
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operations.go
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package simulation
import (
"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"
simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
"github.com/cosmos/cosmos-sdk/x/simulation"
types "github.com/akash-network/akash-api/go/node/provider/v1beta3"
appparams "github.com/akash-network/node/app/params"
testsim "github.com/akash-network/node/testutil/sim"
"github.com/akash-network/node/x/provider/config"
"github.com/akash-network/node/x/provider/keeper"
)
// Simulation operation weights constants
const (
OpWeightMsgCreate = "op_weight_msg_create" // nolint gosec
OpWeightMsgUpdate = "op_weight_msg_update" // nolint gosec
)
// WeightedOperations returns all the operations from the module with their respective weights
func WeightedOperations(
appParams simtypes.AppParams, cdc codec.JSONCodec, ak govtypes.AccountKeeper,
bk bankkeeper.Keeper, k keeper.IKeeper) simulation.WeightedOperations {
var (
weightMsgCreate int
weightMsgUpdate int
)
appParams.GetOrGenerate(
cdc, OpWeightMsgCreate, &weightMsgCreate, nil, func(r *rand.Rand) {
weightMsgCreate = appparams.DefaultWeightMsgCreateProvider
},
)
appParams.GetOrGenerate(
cdc, OpWeightMsgUpdate, &weightMsgUpdate, nil, func(r *rand.Rand) {
weightMsgUpdate = appparams.DefaultWeightMsgUpdateProvider
},
)
return simulation.WeightedOperations{
simulation.NewWeightedOperation(
weightMsgCreate,
SimulateMsgCreate(ak, bk, k),
),
simulation.NewWeightedOperation(
weightMsgUpdate,
SimulateMsgUpdate(ak, bk, k),
),
}
}
// SimulateMsgCreate generates a MsgCreateProvider with random values
// nolint:funlen
func SimulateMsgCreate(ak govtypes.AccountKeeper, bk bankkeeper.Keeper, k keeper.IKeeper) simtypes.Operation {
return func(r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accounts []simtypes.Account,
chainID string) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
simAccount, _ := simtypes.RandomAcc(r, accounts)
// ensure the provider doesn't exist already
_, found := k.Get(ctx, simAccount.Address)
if found {
return simtypes.NoOpMsg(types.ModuleName, types.MsgTypeCreateProvider, "provider already exists"), nil, nil
}
cfg, readError := config.ReadConfigPath("../x/provider/testdata/provider.yaml")
if readError != nil {
return simtypes.NoOpMsg(types.ModuleName, types.MsgTypeCreateProvider, "unable to read config file"), nil, readError
}
account := ak.GetAccount(ctx, simAccount.Address)
spendable := bk.SpendableCoins(ctx, account.GetAddress())
fees, err := simtypes.RandomFees(r, ctx, spendable)
if err != nil {
return simtypes.NoOpMsg(types.ModuleName, types.MsgTypeCreateProvider, "unable to generate fees"), nil, err
}
msg := types.NewMsgCreateProvider(simAccount.Address, cfg.Host, cfg.GetAttributes())
txGen := simappparams.MakeTestEncodingConfig().TxConfig
tx, err := helpers.GenTx(
txGen,
[]sdk.Msg{msg},
fees,
helpers.DefaultGenTxGas,
chainID,
[]uint64{account.GetAccountNumber()},
[]uint64{account.GetSequence()},
simAccount.PrivKey,
)
if err != nil {
return simtypes.NoOpMsg(types.ModuleName, msg.Type(), "unable to generate mock tx"), nil, err
}
_, _, err = app.Deliver(txGen.TxEncoder(), tx)
if err != nil {
return simtypes.NoOpMsg(types.ModuleName, msg.Type(), "unable to deliver mock tx"), nil, err
}
return simtypes.NewOperationMsg(msg, true, "", nil), nil, nil
}
}
// SimulateMsgUpdate generates a MsgUpdateProvider with random values
// nolint:funlen
func SimulateMsgUpdate(ak govtypes.AccountKeeper, bk bankkeeper.Keeper, k keeper.IKeeper) simtypes.Operation {
return func(r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accounts []simtypes.Account,
chainID string) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
var providers []types.Provider
k.WithProviders(ctx, func(provider types.Provider) bool {
providers = append(providers, provider)
return false
})
if len(providers) == 0 {
return simtypes.NoOpMsg(types.ModuleName, types.MsgTypeUpdateProvider, "no providers found"), nil, nil
}
// Get random deployment
provider := providers[testsim.RandIdx(r, len(providers)-1)]
owner, convertErr := sdk.AccAddressFromBech32(provider.Owner)
if convertErr != nil {
return simtypes.NoOpMsg(types.ModuleName, types.MsgTypeUpdateProvider, "error while converting address"),
nil, convertErr
}
simAccount, found := simtypes.FindAccount(accounts, owner)
if !found {
return simtypes.NoOpMsg(types.ModuleName, types.MsgTypeUpdateProvider, "provider not found"),
nil, fmt.Errorf("provider with %s not found", provider.Owner)
}
account := ak.GetAccount(ctx, simAccount.Address)
spendable := bk.SpendableCoins(ctx, account.GetAddress())
fees, err := simtypes.RandomFees(r, ctx, spendable)
if err != nil {
return simtypes.NoOpMsg(types.ModuleName, types.MsgTypeUpdateProvider, "unable to generate fees"), nil, err
}
msg := &types.MsgUpdateProvider{
Owner: simAccount.Address.String(),
HostURI: provider.HostURI,
}
txGen := simappparams.MakeTestEncodingConfig().TxConfig
tx, err := helpers.GenTx(
txGen,
[]sdk.Msg{msg},
fees,
helpers.DefaultGenTxGas,
chainID,
[]uint64{account.GetAccountNumber()},
[]uint64{account.GetSequence()},
simAccount.PrivKey,
)
if err != nil {
return simtypes.NoOpMsg(types.ModuleName, msg.Type(), "unable to generate mock tx"), nil, err
}
_, _, err = app.Deliver(txGen.TxEncoder(), tx)
if err != nil {
return simtypes.NoOpMsg(types.ModuleName, msg.Type(), "unable to deliver mock tx"), nil, err
}
return simtypes.NewOperationMsg(msg, true, "", nil), nil, nil
}
}