/
transfer.go
114 lines (98 loc) · 3.43 KB
/
transfer.go
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package simulation
import (
"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/jackalLabs/canine-chain/x/rns/keeper"
"github.com/jackalLabs/canine-chain/x/rns/types"
)
func SimulateMsgTransfer(
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) {
// checking if enough accounts exist
if len(accs) < 2 {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgList, "Need more than 2 accounts to transfer names"), nil, nil
}
// choosing a random account WITH registered domains
var simAccount simtypes.Account
var names []types.Names
simAccount, _ = simtypes.RandomAcc(r, accs)
// checking if any names are registered
exists := k.CheckExistence(ctx)
if !exists {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgList, "No domains registered yet"), nil, nil
}
for {
// finding all registered domain names
wctx := sdk.WrapSDKContext(ctx)
nReq := &types.QueryListOwnedNamesRequest{
Address: simAccount.Address.String(),
}
// requesting the domain names
regNames, err := k.ListOwnedNames(wctx, nReq)
if err != nil {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgList, "Couldn't request names"), nil, nil
}
names = regNames.GetNames()
if names != nil {
break
}
simAccount, _ = simtypes.RandomAcc(r, accs)
}
// initializing the message
msg := &types.MsgTransfer{
Creator: simAccount.Address.String(),
}
// selecting a random name to transfer
nameI := simtypes.RandIntBetween(r, 0, len(names))
tName := names[nameI]
// checking if the name is transferrable
if ctx.BlockHeight() > tName.Expires {
return simtypes.NoOpMsg(types.ModuleName, msg.Type(), "Expired domain"), nil, nil
}
if tName.Locked > ctx.BlockHeight() {
return simtypes.NoOpMsg(types.ModuleName, msg.Type(), "Can't transfer a free name"), nil, nil
}
// generating the fees
price := sdk.NewInt(0) // transferring is free?
spendable := bk.SpendableCoins(ctx, simAccount.Address)
coins, hasNeg := spendable.SafeSub(sdk.NewCoins(sdk.NewCoin("ujkl", price)))
var fees sdk.Coins
if !hasNeg {
var err error
fees, err = simtypes.RandomFees(r, ctx, coins)
if err != nil {
return simtypes.NoOpMsg(types.ModuleName, msg.Type(), "unable to generate fees"), nil, err
}
}
// generating randomly generated account
receiverAcc, _ := simtypes.RandomAcc(r, accs)
// ensuring the sender and receiver are different
for receiverAcc.Address.String() == simAccount.Address.String() {
receiverAcc, _ = simtypes.RandomAcc(r, accs)
}
// transferring to the randomly generated simulation account
msg.Name = tName.Name + "." + tName.Tld
msg.Receiver = simAccount.Address.String()
txCtx := simulation.OperationInput{
R: r,
App: app,
TxGen: simappparams.MakeTestEncodingConfig().TxConfig,
Cdc: nil,
Msg: msg,
MsgType: msg.Type(),
Context: ctx,
SimAccount: simAccount,
AccountKeeper: ak,
ModuleName: types.ModuleName,
}
return simulation.GenAndDeliverTx(txCtx, fees)
}
}