bet.go

package simulation

import (
	//#nosec
	"math/rand"

	"github.com/cosmos/cosmos-sdk/baseapp"
	simappparams "github.com/cosmos/cosmos-sdk/simapp/params"
	sdk "github.com/cosmos/cosmos-sdk/types"
	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
	"github.com/cosmos/cosmos-sdk/x/simulation"
	"github.com/furynet/furynetwork/x/bet/keeper"
	"github.com/furynet/furynetwork/x/bet/types"
	"github.com/spf13/cast"
)

// SimulateMsgPlaceBet returns an Operation function to run a state machine transition
func SimulateMsgPlaceBet(
	ak types.AccountKeeper,
	bk types.BankKeeper,
	k keeper.Keeper,
) simtypes.Operation {
	return func(r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
		simAccount, _ := simtypes.RandomAcc(r, accs)

		i := r.Int()
		msg := &types.MsgPlaceBet{
			Creator: simAccount.Address.String(),
			Bet: &types.PlaceBetFields{
				UID: cast.ToString(i),
			},
		}

		_, found := k.GetBet(ctx, simAccount.Address.String(), 1)
		if found {
			return simtypes.NoOpMsg(types.ModuleName, msg.Type(), "Bet already exist"), nil, nil
		}

		txCtx := simulation.OperationInput{
			R:               r,
			App:             app,
			TxGen:           simappparams.MakeTestEncodingConfig().TxConfig,
			Cdc:             nil,
			Msg:             msg,
			MsgType:         msg.Type(),
			Context:         ctx,
			SimAccount:      simAccount,
			ModuleName:      types.ModuleName,
			CoinsSpentInMsg: sdk.NewCoins(),
			AccountKeeper:   ak,
			Bankkeeper:      bk,
		}
		return simulation.GenAndDeliverTxWithRandFees(txCtx)
	}
}