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			- Upgrade cosmos-sdk to v0.44.5 from v0.39.2 - Add Legacy Tx Endpoint for backwards compatibility - Add IBC v1.2.3 Support Co-authored-by: DracoLi <draco@dracoli.com> Co-authored-by: drklee3 <derrick@dlee.dev> Co-authored-by: denalimarsh <denalimarsh@gmail.com> Co-authored-by: Draco Li <draco@kava.io> Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com> Co-authored-by: Kevin Davis <karzak@users.noreply.github.com> Co-authored-by: Denali Marsh <denali@kava.io>
		
			
				
	
	
		
			549 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			549 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package simulation
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| 
 | |
| // import (
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| // 	"errors"
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| // 	"fmt"
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| // 	"math/big"
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| // 	"math/rand"
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| // 	"time"
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| 
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| // 	"github.com/cosmos/cosmos-sdk/baseapp"
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| // 	"github.com/cosmos/cosmos-sdk/codec"
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| // 	"github.com/cosmos/cosmos-sdk/simapp/helpers"
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| // 	sdk "github.com/cosmos/cosmos-sdk/types"
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| // 	authexported "github.com/cosmos/cosmos-sdk/x/auth/exported"
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| // 	"github.com/cosmos/cosmos-sdk/x/simulation"
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| 
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| // 	appparams "github.com/kava-labs/kava/app/params"
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| // 	"github.com/kava-labs/kava/x/swap/keeper"
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| // 	"github.com/kava-labs/kava/x/swap/types"
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| // )
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| 
 | |
| // var (
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| // 	//nolint
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| // 	noOpMsg             = simulation.NoOpMsg(types.ModuleName)
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| // 	errorNotEnoughCoins = errors.New("account doesn't have enough coins")
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| // )
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| 
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| // // Simulation operation weights constants
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| // const (
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| // 	OpWeightMsgDeposit            = "op_weight_msg_deposit"
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| // 	OpWeightMsgWithdraw           = "op_weight_msg_withdraw"
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| // 	OpWeightMsgSwapExactForTokens = "op_weight_msg_swap_exact_for_tokens"
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| // 	OpWeightMsgSwapForExactTokens = "op_weight_msg_swap_for_exact_tokens"
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| // )
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| 
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| // // WeightedOperations returns all the operations from the module with their respective weights
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| // func WeightedOperations(
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| // 	appParams simulation.AppParams, cdc *codec.Codec, ak types.AccountKeeper, k keeper.Keeper,
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| // ) simulation.WeightedOperations {
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| // 	var weightMsgDeposit int
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| // 	var weightMsgWithdraw int
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| // 	var weightMsgSwapExactForTokens int
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| // 	var weightMsgSwapForExactTokens int
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| 
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| // 	appParams.GetOrGenerate(cdc, OpWeightMsgDeposit, &weightMsgDeposit, nil,
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| // 		func(_ *rand.Rand) {
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| // 			weightMsgDeposit = appparams.DefaultWeightMsgDeposit
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| // 		},
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| // 	)
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| 
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| // 	appParams.GetOrGenerate(cdc, OpWeightMsgWithdraw, &weightMsgWithdraw, nil,
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| // 		func(_ *rand.Rand) {
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| // 			weightMsgWithdraw = appparams.DefaultWeightMsgWithdraw
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| // 		},
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| // 	)
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| 
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| // 	appParams.GetOrGenerate(cdc, OpWeightMsgSwapExactForTokens, &weightMsgSwapExactForTokens, nil,
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| // 		func(_ *rand.Rand) {
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| // 			weightMsgSwapExactForTokens = appparams.DefaultWeightMsgSwapExactForTokens
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| // 		},
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| // 	)
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| 
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| // 	appParams.GetOrGenerate(cdc, OpWeightMsgSwapForExactTokens, &weightMsgSwapForExactTokens, nil,
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| // 		func(_ *rand.Rand) {
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| // 			weightMsgSwapForExactTokens = appparams.DefaultWeightMsgSwapForExactTokens
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| // 		},
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| // 	)
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| 
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| // 	return simulation.WeightedOperations{
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| // 		simulation.NewWeightedOperation(
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| // 			weightMsgDeposit,
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| // 			SimulateMsgDeposit(ak, k),
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| // 		),
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| // 		simulation.NewWeightedOperation(
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| // 			weightMsgWithdraw,
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| // 			SimulateMsgWithdraw(ak, k),
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| // 		),
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| // 		simulation.NewWeightedOperation(
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| // 			weightMsgSwapExactForTokens,
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| // 			SimulateMsgSwapExactForTokens(ak, k),
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| // 		),
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| // 		simulation.NewWeightedOperation(
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| // 			weightMsgSwapForExactTokens,
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| // 			SimulateMsgSwapForExactTokens(ak, k),
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| // 		),
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| // 	}
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| // }
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| 
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| // // SimulateMsgDeposit generates a MsgDeposit
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| // func SimulateMsgDeposit(ak types.AccountKeeper, k keeper.Keeper) simulation.Operation {
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| // 	return func(
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| // 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simulation.Account, chainID string,
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| // 	) (simulation.OperationMsg, []simulation.FutureOperation, error) {
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| // 		// Get possible pools and shuffle so that deposits are evenly distributed across pools
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| // 		params := k.GetParams(ctx)
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| // 		allowedPools := params.AllowedPools
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| // 		r.Shuffle(len(allowedPools), func(i, j int) {
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| // 			allowedPools[i], allowedPools[j] = allowedPools[j], allowedPools[i]
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| // 		})
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| 
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| // 		// Find an account-pool pair that is likely to result in a successful deposit
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| // 		blockTime := ctx.BlockHeader().Time
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| // 		depositor, allowedPool, found := findValidAccountAllowedPoolPair(accs, allowedPools, func(acc simulation.Account, pool types.AllowedPool) bool {
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| // 			account := ak.GetAccount(ctx, acc.Address)
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| 
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| // 			err := validateDepositor(ctx, k, pool, account, blockTime)
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| // 			if err == errorNotEnoughCoins {
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| // 				return false // keep searching
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| // 			} else if err != nil {
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| // 				panic(err) // raise errors
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| // 			}
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| // 			return true // found valid pair
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| // 		})
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| // 		if !found {
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| // 			return simulation.NewOperationMsgBasic(types.ModuleName, "no-operation (no valid allowed pool and depositor)", "", false, nil), nil, nil
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| // 		}
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| 
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| // 		// Get random slippage amount between 1-99%
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| // 		slippageRaw, err := RandIntInclusive(r, sdk.OneInt(), sdk.NewInt(99))
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| // 		if err != nil {
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| // 			panic(err)
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| // 		}
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| // 		slippage := slippageRaw.ToDec().Quo(sdk.NewDec(100))
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| 
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| // 		// Generate random deadline
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| // 		deadline := genRandDeadline(r, blockTime)
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| 
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| // 		depositorAcc := ak.GetAccount(ctx, depositor.Address)
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| // 		depositorCoins := depositorAcc.SpendableCoins(blockTime)
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| 
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| // 		// Construct initial msg (without coin amounts)
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| // 		msg := types.NewMsgDeposit(depositorAcc.GetAddress(), sdk.Coin{}, sdk.Coin{}, slippage, deadline)
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| 
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| // 		// Populate msg with randomized token amounts
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| // 		pool, found := k.GetPool(ctx, allowedPool.Name())
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| // 		if !found { // Pool doesn't exist: first deposit
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| // 			depositTokenA := randCoinFromCoins(r, depositorCoins, allowedPool.TokenA)
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| // 			msg.TokenA = depositTokenA
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| 
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| // 			depositTokenB := randCoinFromCoins(r, depositorCoins, allowedPool.TokenB)
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| // 			msg.TokenB = depositTokenB
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| // 		} else { // Pool exists: successive deposit
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| // 			var denomX string // Denom X is the token denom in the pool with the larger amount
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| // 			var denomY string //  Denom Y is the token denom in the pool with the larger amount
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| // 			if pool.ReservesA.Amount.GTE(pool.ReservesB.Amount) {
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| // 				denomX = pool.ReservesA.Denom
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| // 				denomY = pool.ReservesB.Denom
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| // 			} else {
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| // 				denomX = pool.ReservesB.Denom
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| // 				denomY = pool.ReservesA.Denom
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| // 			}
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| // 			depositTokenY := randCoinFromCoins(r, depositorCoins, denomY)
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| // 			msg.TokenA = depositTokenY
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| 
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| // 			// Calculate the pool's slippage ratio and use it to build other coin
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| // 			ratio := pool.Reserves().AmountOf(denomX).ToDec().Quo(pool.Reserves().AmountOf(denomY).ToDec())
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| // 			amtTokenX := depositTokenY.Amount.ToDec().Mul(ratio).RoundInt()
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| // 			depositTokenX := sdk.NewCoin(denomX, amtTokenX)
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| // 			if depositorCoins.AmountOf(denomX).LT(amtTokenX) {
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| // 				return simulation.NewOperationMsgBasic(types.ModuleName, "no-operation (depositor has insufficient coins)", "", false, nil), nil, nil
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| // 			}
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| // 			msg.TokenB = depositTokenX
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| // 		}
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| 
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| // 		err = msg.ValidateBasic()
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| // 		if err != nil {
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| // 			return noOpMsg, nil, nil
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| // 		}
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| 
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| // 		tx := helpers.GenTx(
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| // 			[]sdk.Msg{msg},
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| // 			sdk.NewCoins(),
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| // 			helpers.DefaultGenTxGas,
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| // 			chainID,
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| // 			[]uint64{depositorAcc.GetAccountNumber()},
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| // 			[]uint64{depositorAcc.GetSequence()},
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| // 			depositor.PrivKey,
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| // 		)
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| 
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| // 		_, result, err := app.Deliver(tx)
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| // 		if err != nil {
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| // 			// to aid debugging, add the stack trace to the comment field of the returned opMsg
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| // 			return simulation.NewOperationMsg(msg, false, fmt.Sprintf("%+v", err)), nil, err
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| // 		}
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| // 		return simulation.NewOperationMsg(msg, true, result.Log), nil, nil
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| // 	}
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| // }
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| 
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| // // SimulateMsgWithdraw generates a MsgWithdraw
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| // func SimulateMsgWithdraw(ak types.AccountKeeper, k keeper.Keeper) simulation.Operation {
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| // 	return func(
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| // 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simulation.Account, chainID string,
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| // 	) (simulation.OperationMsg, []simulation.FutureOperation, error) {
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| 
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| // 		poolRecords := k.GetAllPools(ctx)
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| // 		r.Shuffle(len(poolRecords), func(i, j int) {
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| // 			poolRecords[i], poolRecords[j] = poolRecords[j], poolRecords[i]
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| // 		})
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| 
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| // 		// Find an account-pool pair for which withdraw is possible
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| // 		withdrawer, poolRecord, found := findValidAccountPoolRecordPair(accs, poolRecords, func(acc simulation.Account, poolRecord types.PoolRecord) bool {
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| // 			_, found := k.GetDepositorShares(ctx, acc.Address, poolRecord.PoolID)
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| // 			return found
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| // 		})
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| // 		if !found {
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| // 			return simulation.NewOperationMsgBasic(types.ModuleName, "no-operation (no valid pool record and withdrawer)", "", false, nil), nil, nil
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| // 		}
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| 
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| // 		withdrawerAcc := ak.GetAccount(ctx, withdrawer.Address)
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| // 		shareRecord, _ := k.GetDepositorShares(ctx, withdrawerAcc.GetAddress(), poolRecord.PoolID)
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| // 		denominatedPool, err := types.NewDenominatedPoolWithExistingShares(poolRecord.Reserves(), poolRecord.TotalShares)
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| // 		if err != nil {
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| // 			return noOpMsg, nil, nil
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| // 		}
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| // 		coinsOwned := denominatedPool.ShareValue(shareRecord.SharesOwned)
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| 
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| // 		// Get random amount of shares between 2-10% of the total
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| // 		sharePercentage, err := RandIntInclusive(r, sdk.NewInt(2), sdk.NewInt(10))
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| // 		if err != nil {
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| // 			panic(err)
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| // 		}
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| // 		shares := shareRecord.SharesOwned.Mul(sharePercentage).Quo(sdk.NewInt(100))
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| 
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| // 		// Expect minimum token amounts relative to the % of shares owned and withdrawn
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| // 		oneLessThanSharePercentage := sharePercentage.Sub(sdk.OneInt())
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| 
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| // 		amtTokenAOwned := coinsOwned.AmountOf(poolRecord.ReservesA.Denom)
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| // 		minAmtTokenA := amtTokenAOwned.Mul(oneLessThanSharePercentage).Quo(sdk.NewInt(100))
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| // 		minTokenA := sdk.NewCoin(poolRecord.ReservesA.Denom, minAmtTokenA)
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| 
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| // 		amtTokenBOwned := coinsOwned.AmountOf(poolRecord.ReservesB.Denom)
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| // 		minTokenAmtB := amtTokenBOwned.Mul(oneLessThanSharePercentage).Quo(sdk.NewInt(100))
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| // 		minTokenB := sdk.NewCoin(poolRecord.ReservesB.Denom, minTokenAmtB)
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| 
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| // 		// Generate random deadline
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| // 		blockTime := ctx.BlockHeader().Time
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| // 		deadline := genRandDeadline(r, blockTime)
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| 
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| // 		// Construct MsgWithdraw
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| // 		msg := types.NewMsgWithdraw(withdrawerAcc.GetAddress(), shares, minTokenA, minTokenB, deadline)
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| // 		err = msg.ValidateBasic()
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| // 		if err != nil {
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| // 			return noOpMsg, nil, nil
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| // 		}
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| 
 | |
| // 		tx := helpers.GenTx(
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| // 			[]sdk.Msg{msg},
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| // 			sdk.NewCoins(),
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| // 			helpers.DefaultGenTxGas,
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| // 			chainID,
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| // 			[]uint64{withdrawerAcc.GetAccountNumber()},
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| // 			[]uint64{withdrawerAcc.GetSequence()},
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| // 			withdrawer.PrivKey,
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| // 		)
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| 
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| // 		_, result, err := app.Deliver(tx)
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| // 		if err != nil {
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| // 			// to aid debugging, add the stack trace to the comment field of the returned opMsg
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| // 			return simulation.NewOperationMsg(msg, false, fmt.Sprintf("%+v", err)), nil, err
 | |
| // 		}
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| // 		return simulation.NewOperationMsg(msg, true, result.Log), nil, nil
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| 
 | |
| // 	}
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| // }
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| 
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| // // SimulateMsgSwapExactForTokens generates a MsgSwapExactForTokens
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| // func SimulateMsgSwapExactForTokens(ak types.AccountKeeper, k keeper.Keeper) simulation.Operation {
 | |
| // 	return func(
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| // 		r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simulation.Account, chainID string,
 | |
| // 	) (simulation.OperationMsg, []simulation.FutureOperation, error) {
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| 
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| // 		poolRecords := k.GetAllPools(ctx)
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| // 		r.Shuffle(len(poolRecords), func(i, j int) {
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| // 			poolRecords[i], poolRecords[j] = poolRecords[j], poolRecords[i]
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| // 		})
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| 
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| // 		// Find an account-pool pair for which trade is possible
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| // 		trader, poolRecord, found := findValidAccountPoolRecordPair(accs, poolRecords, func(acc simulation.Account, poolRecord types.PoolRecord) bool {
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| // 			traderAcc := ak.GetAccount(ctx, acc.Address)
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| // 			balanceTokenA := traderAcc.GetCoins().AmountOf(poolRecord.ReservesA.Denom)
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| // 			balanceTokenB := traderAcc.GetCoins().AmountOf(poolRecord.ReservesB.Denom)
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| // 			if !balanceTokenA.IsPositive() || !balanceTokenB.IsPositive() {
 | |
| // 				return false
 | |
| // 			}
 | |
| // 			return true
 | |
| // 		})
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| // 		if !found {
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| // 			return simulation.NewOperationMsgBasic(types.ModuleName, "no-operation (no valid pool record and trader)", "", false, nil), nil, nil
 | |
| // 		}
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| 
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| // 		// Select input token
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| // 		randInt, err := RandInt(r, sdk.OneInt(), sdk.NewInt(9))
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| // 		if err != nil {
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| // 			panic(err)
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| // 		}
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| // 		inputToken := poolRecord.ReservesA
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| // 		outputToken := poolRecord.ReservesB
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| // 		if randInt.Int64()%2 == 0 {
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| // 			inputToken = poolRecord.ReservesB
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| // 			outputToken = poolRecord.ReservesA
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| // 		}
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| 
 | |
| // 		// Select entity (trader account or pool) with smaller token amount
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| // 		traderAcc := ak.GetAccount(ctx, trader.Address)
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| // 		maxTradeAmount := inputToken.Amount
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| // 		if traderAcc.GetCoins().AmountOf(inputToken.Denom).LT(inputToken.Amount) {
 | |
| // 			maxTradeAmount = traderAcc.GetCoins().AmountOf(inputToken.Denom)
 | |
| // 		}
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| 
 | |
| // 		// Exact input token is between 2-10% of the max trade amount
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| // 		percentage, err := RandIntInclusive(r, sdk.NewInt(2), sdk.NewInt(10))
 | |
| // 		if err != nil {
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| // 			panic(err)
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| // 		}
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| // 		tradeAmount := maxTradeAmount.Mul(percentage).Quo(sdk.NewInt(100))
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| // 		exactInputToken := sdk.NewCoin(inputToken.Denom, tradeAmount)
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| 
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| // 		// Calculate expected output coin
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| // 		globalSwapFee := k.GetSwapFee(ctx)
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| // 		tradeAmountAfterFee := exactInputToken.Amount.ToDec().Mul(sdk.OneDec().Sub(globalSwapFee)).TruncateInt()
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| 
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| // 		var outputAmt big.Int
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| // 		outputAmt.Mul(outputToken.Amount.BigInt(), tradeAmountAfterFee.BigInt())
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| // 		outputAmt.Quo(&outputAmt, inputToken.Amount.Add(tradeAmountAfterFee).BigInt())
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| // 		expectedOutTokenAmount := sdk.NewIntFromBigInt(&outputAmt)
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| // 		expectedOutputToken := sdk.NewCoin(outputToken.Denom, expectedOutTokenAmount)
 | |
| 
 | |
| // 		// Get random slippage amount between 50-100%
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| // 		slippageRaw, err := RandIntInclusive(r, sdk.NewInt(50), sdk.NewInt(99))
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| // 		if err != nil {
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| // 			panic(err)
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| // 		}
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| // 		slippage := slippageRaw.ToDec().Quo(sdk.NewDec(100))
 | |
| 
 | |
| // 		// Generate random deadline
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| // 		blockTime := ctx.BlockHeader().Time
 | |
| // 		deadline := genRandDeadline(r, blockTime)
 | |
| 
 | |
| // 		// Construct MsgSwapExactForTokens
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| // 		msg := types.NewMsgSwapExactForTokens(traderAcc.GetAddress(), exactInputToken, expectedOutputToken, slippage, deadline)
 | |
| // 		err = msg.ValidateBasic()
 | |
| // 		if err != nil {
 | |
| // 			return noOpMsg, nil, nil
 | |
| // 		}
 | |
| 
 | |
| // 		tx := helpers.GenTx(
 | |
| // 			[]sdk.Msg{msg},
 | |
| // 			sdk.NewCoins(),
 | |
| // 			helpers.DefaultGenTxGas,
 | |
| // 			chainID,
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| // 			[]uint64{traderAcc.GetAccountNumber()},
 | |
| // 			[]uint64{traderAcc.GetSequence()},
 | |
| // 			trader.PrivKey,
 | |
| // 		)
 | |
| 
 | |
| // 		_, result, err := app.Deliver(tx)
 | |
| // 		if err != nil {
 | |
| // 			// to aid debugging, add the stack trace to the comment field of the returned opMsg
 | |
| // 			return simulation.NewOperationMsg(msg, false, fmt.Sprintf("%+v", err)), nil, err
 | |
| // 		}
 | |
| // 		return simulation.NewOperationMsg(msg, true, result.Log), nil, nil
 | |
| // 	}
 | |
| // }
 | |
| 
 | |
| // // SimulateMsgSwapForExactTokens generates a MsgSwapForExactTokens
 | |
| // func SimulateMsgSwapForExactTokens(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) {
 | |
| 
 | |
| // 		poolRecords := k.GetAllPools(ctx)
 | |
| // 		r.Shuffle(len(poolRecords), func(i, j int) {
 | |
| // 			poolRecords[i], poolRecords[j] = poolRecords[j], poolRecords[i]
 | |
| // 		})
 | |
| 
 | |
| // 		// Find an account-pool pair for which trade is possible
 | |
| // 		trader, poolRecord, found := findValidAccountPoolRecordPair(accs, poolRecords, func(acc simulation.Account, poolRecord types.PoolRecord) bool {
 | |
| // 			traderAcc := ak.GetAccount(ctx, acc.Address)
 | |
| // 			balanceTokenA := traderAcc.GetCoins().AmountOf(poolRecord.ReservesA.Denom)
 | |
| // 			balanceTokenB := traderAcc.GetCoins().AmountOf(poolRecord.ReservesB.Denom)
 | |
| // 			if !balanceTokenA.IsPositive() || !balanceTokenB.IsPositive() {
 | |
| // 				return false
 | |
| // 			}
 | |
| // 			return true
 | |
| // 		})
 | |
| // 		if !found {
 | |
| // 			return simulation.NewOperationMsgBasic(types.ModuleName, "no-operation (no valid pool record and trader)", "", false, nil), nil, nil
 | |
| // 		}
 | |
| 
 | |
| // 		// Select input token
 | |
| // 		randInt, err := RandInt(r, sdk.OneInt(), sdk.NewInt(9))
 | |
| // 		if err != nil {
 | |
| // 			panic(err)
 | |
| // 		}
 | |
| // 		inputToken := poolRecord.ReservesA
 | |
| // 		outputToken := poolRecord.ReservesB
 | |
| // 		if randInt.Int64()%2 == 0 {
 | |
| // 			inputToken = poolRecord.ReservesB
 | |
| // 			outputToken = poolRecord.ReservesA
 | |
| // 		}
 | |
| 
 | |
| // 		// Select entity (trader account or pool) with smaller token amount
 | |
| // 		traderAcc := ak.GetAccount(ctx, trader.Address)
 | |
| // 		maxTradeAmount := inputToken.Amount
 | |
| // 		if traderAcc.GetCoins().AmountOf(inputToken.Denom).LT(inputToken.Amount) {
 | |
| // 			maxTradeAmount = traderAcc.GetCoins().AmountOf(inputToken.Denom)
 | |
| // 		}
 | |
| 
 | |
| // 		// Expected input token is between 2-10% of the max trade amount
 | |
| // 		percentage, err := RandIntInclusive(r, sdk.NewInt(2), sdk.NewInt(10))
 | |
| // 		if err != nil {
 | |
| // 			panic(err)
 | |
| // 		}
 | |
| // 		tradeAmount := maxTradeAmount.Mul(percentage).Quo(sdk.NewInt(100))
 | |
| // 		expectedInputToken := sdk.NewCoin(inputToken.Denom, tradeAmount)
 | |
| 
 | |
| // 		// Calculate exact output coin
 | |
| // 		globalSwapFee := k.GetSwapFee(ctx)
 | |
| // 		tradeAmountAfterFee := expectedInputToken.Amount.ToDec().Mul(sdk.OneDec().Sub(globalSwapFee)).TruncateInt()
 | |
| 
 | |
| // 		var outputAmt big.Int
 | |
| // 		outputAmt.Mul(outputToken.Amount.BigInt(), tradeAmountAfterFee.BigInt())
 | |
| // 		outputAmt.Quo(&outputAmt, inputToken.Amount.Add(tradeAmountAfterFee).BigInt())
 | |
| // 		outputTokenAmount := sdk.NewIntFromBigInt(&outputAmt)
 | |
| // 		exactOutputToken := sdk.NewCoin(outputToken.Denom, outputTokenAmount)
 | |
| 
 | |
| // 		// Get random slippage amount between 50-100%
 | |
| // 		slippageRaw, err := RandIntInclusive(r, sdk.NewInt(50), sdk.NewInt(99))
 | |
| // 		if err != nil {
 | |
| // 			panic(err)
 | |
| // 		}
 | |
| // 		slippage := slippageRaw.ToDec().Quo(sdk.NewDec(100))
 | |
| 
 | |
| // 		// Generate random deadline
 | |
| // 		blockTime := ctx.BlockHeader().Time
 | |
| // 		deadline := genRandDeadline(r, blockTime)
 | |
| 
 | |
| // 		// Construct MsgSwapForExactTokens
 | |
| // 		msg := types.NewMsgSwapForExactTokens(traderAcc.GetAddress(), expectedInputToken, exactOutputToken, slippage, deadline)
 | |
| // 		err = msg.ValidateBasic()
 | |
| // 		if err != nil {
 | |
| // 			return noOpMsg, nil, nil
 | |
| // 		}
 | |
| 
 | |
| // 		tx := helpers.GenTx(
 | |
| // 			[]sdk.Msg{msg},
 | |
| // 			sdk.NewCoins(),
 | |
| // 			helpers.DefaultGenTxGas,
 | |
| // 			chainID,
 | |
| // 			[]uint64{traderAcc.GetAccountNumber()},
 | |
| // 			[]uint64{traderAcc.GetSequence()},
 | |
| // 			trader.PrivKey,
 | |
| // 		)
 | |
| 
 | |
| // 		_, result, err := app.Deliver(tx)
 | |
| // 		if err != nil {
 | |
| // 			// to aid debugging, add the stack trace to the comment field of the returned opMsg
 | |
| // 			return simulation.NewOperationMsg(msg, false, fmt.Sprintf("%+v", err)), nil, err
 | |
| // 		}
 | |
| // 		return simulation.NewOperationMsg(msg, true, result.Log), nil, nil
 | |
| // 	}
 | |
| // }
 | |
| 
 | |
| // // From a set of coins return a coin of the specified denom with 1-10% of the total amount
 | |
| // func randCoinFromCoins(r *rand.Rand, coins sdk.Coins, denom string) sdk.Coin {
 | |
| // 	percentOfBalance, err := RandIntInclusive(r, sdk.OneInt(), sdk.NewInt(10))
 | |
| // 	if err != nil {
 | |
| // 		panic(err)
 | |
| // 	}
 | |
| // 	balance := coins.AmountOf(denom)
 | |
| // 	amtToken := balance.Mul(percentOfBalance).Quo(sdk.NewInt(100))
 | |
| // 	return sdk.NewCoin(denom, amtToken)
 | |
| // }
 | |
| 
 | |
| // func validateDepositor(ctx sdk.Context, k keeper.Keeper, allowedPool types.AllowedPool,
 | |
| // 	depositor authexported.Account, blockTime time.Time) error {
 | |
| // 	depositorCoins := depositor.SpendableCoins(blockTime)
 | |
| // 	tokenABalance := depositorCoins.AmountOf(allowedPool.TokenA)
 | |
| // 	tokenBBalance := depositorCoins.AmountOf(allowedPool.TokenB)
 | |
| 
 | |
| // 	oneThousand := sdk.NewInt(1000)
 | |
| // 	if tokenABalance.LT(oneThousand) || tokenBBalance.LT(oneThousand) {
 | |
| // 		return errorNotEnoughCoins
 | |
| // 	}
 | |
| 
 | |
| // 	return nil
 | |
| // }
 | |
| 
 | |
| // // findValidAccountAllowedPoolPair finds an account for which the callback func returns true
 | |
| // func findValidAccountAllowedPoolPair(accounts []simulation.Account, pools types.AllowedPools,
 | |
| // 	cb func(simulation.Account, types.AllowedPool) bool) (simulation.Account, types.AllowedPool, bool) {
 | |
| // 	for _, pool := range pools {
 | |
| // 		for _, acc := range accounts {
 | |
| // 			if isValid := cb(acc, pool); isValid {
 | |
| // 				return acc, pool, true
 | |
| // 			}
 | |
| // 		}
 | |
| // 	}
 | |
| // 	return simulation.Account{}, types.AllowedPool{}, false
 | |
| // }
 | |
| 
 | |
| // // findValidAccountPoolRecordPair finds an account for which the callback func returns true
 | |
| // func findValidAccountPoolRecordPair(accounts []simulation.Account, pools types.PoolRecords,
 | |
| // 	cb func(simulation.Account, types.PoolRecord) bool) (simulation.Account, types.PoolRecord, bool) {
 | |
| // 	for _, pool := range pools {
 | |
| // 		for _, acc := range accounts {
 | |
| // 			if isValid := cb(acc, pool); isValid {
 | |
| // 				return acc, pool, true
 | |
| // 			}
 | |
| // 		}
 | |
| // 	}
 | |
| // 	return simulation.Account{}, types.PoolRecord{}, false
 | |
| // }
 | |
| 
 | |
| // func genRandDeadline(r *rand.Rand, blockTime time.Time) int64 {
 | |
| // 	// Set up deadline
 | |
| // 	durationNanoseconds, err := RandIntInclusive(r,
 | |
| // 		sdk.NewInt((time.Second * 10).Nanoseconds()), // ten seconds
 | |
| // 		sdk.NewInt((time.Hour * 24).Nanoseconds()),   // one day
 | |
| // 	)
 | |
| // 	if err != nil {
 | |
| // 		panic(err)
 | |
| // 	}
 | |
| // 	extraTime := time.Duration(durationNanoseconds.Int64())
 | |
| // 	return blockTime.Add(extraTime).Unix()
 | |
| // }
 | |
| 
 | |
| // // RandIntInclusive randomly generates an sdk.Int in the range [inclusiveMin, inclusiveMax]. It works for negative and positive integers.
 | |
| // func RandIntInclusive(r *rand.Rand, inclusiveMin, inclusiveMax sdk.Int) (sdk.Int, error) {
 | |
| // 	if inclusiveMin.GT(inclusiveMax) {
 | |
| // 		return sdk.Int{}, fmt.Errorf("min larger than max")
 | |
| // 	}
 | |
| // 	return RandInt(r, inclusiveMin, inclusiveMax.Add(sdk.OneInt()))
 | |
| // }
 | |
| 
 | |
| // // RandInt randomly generates an sdk.Int in the range [inclusiveMin, exclusiveMax). It works for negative and positive integers.
 | |
| // func RandInt(r *rand.Rand, inclusiveMin, exclusiveMax sdk.Int) (sdk.Int, error) {
 | |
| // 	// validate input
 | |
| // 	if inclusiveMin.GTE(exclusiveMax) {
 | |
| // 		return sdk.Int{}, fmt.Errorf("min larger or equal to max")
 | |
| // 	}
 | |
| // 	// shift the range to start at 0
 | |
| // 	shiftedRange := exclusiveMax.Sub(inclusiveMin) // should always be positive given the check above
 | |
| // 	// randomly pick from the shifted range
 | |
| // 	shiftedRandInt := sdk.NewIntFromBigInt(new(big.Int).Rand(r, shiftedRange.BigInt()))
 | |
| // 	// shift back to the original range
 | |
| // 	return shiftedRandInt.Add(inclusiveMin), nil
 | |
| // }
 |