/
operations.go
1177 lines (1029 loc) 路 35.4 KB
/
operations.go
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package simulation
import (
"math/rand"
"sort"
"sync"
"time"
"github.com/cosmos/cosmos-sdk/baseapp"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
"github.com/cosmos/cosmos-sdk/x/simulation"
appparams "github.com/crescent-network/crescent/v3/app/params"
utils "github.com/crescent-network/crescent/v3/types"
"github.com/crescent-network/crescent/v3/x/liquidity/amm"
"github.com/crescent-network/crescent/v3/x/liquidity/keeper"
"github.com/crescent-network/crescent/v3/x/liquidity/types"
)
// Simulation operation weights constants.
const (
OpWeightMsgCreatePair = "op_weight_msg_create_pair"
OpWeightMsgCreatePool = "op_weight_msg_create_pool"
OpWeightMsgCreateRangedPool = "op_weight_msg_create_ranged_pool"
OpWeightMsgDeposit = "op_weight_msg_deposit"
OpWeightMsgWithdraw = "op_weight_msg_withdraw"
OpWeightMsgLimitOrder = "op_weight_msg_limit_order"
OpWeightMsgMarketOrder = "op_weight_msg_market_order"
OpWeightMsgMMOrder = "op_weight_msg_mm_order"
OpWeightMsgCancelOrder = "op_weight_msg_cancel_order"
OpWeightMsgCancelAllOrders = "op_weight_msg_cancel_all_orders"
OpWeightMsgCancelMMOrder = "op_weight_msg_cancel_mm_order"
)
var (
Gas = uint64(20000000)
Fees = sdk.Coins{
{
Denom: "stake",
Amount: sdk.NewInt(0),
},
}
)
// WeightedOperations returns all the operations from the module with their respective weights.
func WeightedOperations(
appParams simtypes.AppParams, cdc codec.JSONCodec, ak types.AccountKeeper,
bk types.BankKeeper, k keeper.Keeper,
) simulation.WeightedOperations {
var weightMsgCreatePair int
appParams.GetOrGenerate(cdc, OpWeightMsgCreatePair, &weightMsgCreatePair, nil, func(_ *rand.Rand) {
weightMsgCreatePair = appparams.DefaultWeightMsgCreatePair
})
var weightMsgCreatePool int
appParams.GetOrGenerate(cdc, OpWeightMsgCreatePool, &weightMsgCreatePool, nil, func(_ *rand.Rand) {
weightMsgCreatePool = appparams.DefaultWeightMsgCreatePool
})
var weightMsgCreateRangedPool int
appParams.GetOrGenerate(cdc, OpWeightMsgCreateRangedPool, &weightMsgCreateRangedPool, nil, func(_ *rand.Rand) {
weightMsgCreateRangedPool = appparams.DefaultWeightMsgCreateRangedPool
})
var weightMsgDeposit int
appParams.GetOrGenerate(cdc, OpWeightMsgDeposit, &weightMsgDeposit, nil, func(_ *rand.Rand) {
weightMsgDeposit = appparams.DefaultWeightMsgDeposit
})
var weightMsgWithdraw int
appParams.GetOrGenerate(cdc, OpWeightMsgWithdraw, &weightMsgWithdraw, nil, func(_ *rand.Rand) {
weightMsgWithdraw = appparams.DefaultWeightMsgWithdraw
})
var weightMsgLimitOrder int
appParams.GetOrGenerate(cdc, OpWeightMsgLimitOrder, &weightMsgLimitOrder, nil, func(_ *rand.Rand) {
weightMsgLimitOrder = appparams.DefaultWeightMsgLimitOrder
})
var weightMsgMarketOrder int
appParams.GetOrGenerate(cdc, OpWeightMsgMarketOrder, &weightMsgMarketOrder, nil, func(_ *rand.Rand) {
weightMsgMarketOrder = appparams.DefaultWeightMsgMarketOrder
})
var weightMsgMMOrder int
appParams.GetOrGenerate(cdc, OpWeightMsgMMOrder, &weightMsgMMOrder, nil, func(_ *rand.Rand) {
weightMsgMMOrder = appparams.DefaultWeightMsgMMOrder
})
var weightMsgCancelOrder int
appParams.GetOrGenerate(cdc, OpWeightMsgCancelOrder, &weightMsgCancelOrder, nil, func(_ *rand.Rand) {
weightMsgCancelOrder = appparams.DefaultWeightMsgCancelOrder
})
var weightMsgCancelAllOrders int
appParams.GetOrGenerate(cdc, OpWeightMsgCancelAllOrders, &weightMsgCancelAllOrders, nil, func(_ *rand.Rand) {
weightMsgCancelAllOrders = appparams.DefaultWeightMsgCancelAllOrders
})
var weightMsgCancelMMOrder int
appParams.GetOrGenerate(cdc, OpWeightMsgCancelMMOrder, &weightMsgCancelMMOrder, nil, func(_ *rand.Rand) {
weightMsgCancelMMOrder = appparams.DefaultWeightMsgCancelMMOrder
})
return simulation.WeightedOperations{
simulation.NewWeightedOperation(
weightMsgCreatePair,
SimulateMsgCreatePair(ak, bk, k),
),
simulation.NewWeightedOperation(
weightMsgCreatePool,
SimulateMsgCreatePool(ak, bk, k),
),
simulation.NewWeightedOperation(
weightMsgCreateRangedPool,
SimulateMsgCreateRangedPool(ak, bk, k),
),
simulation.NewWeightedOperation(
weightMsgDeposit,
SimulateMsgDeposit(ak, bk, k),
),
simulation.NewWeightedOperation(
weightMsgWithdraw,
SimulateMsgWithdraw(ak, bk, k),
),
simulation.NewWeightedOperation(
weightMsgLimitOrder,
SimulateMsgLimitOrder(ak, bk, k),
),
simulation.NewWeightedOperation(
weightMsgMarketOrder,
SimulateMsgMarketOrder(ak, bk, k),
),
simulation.NewWeightedOperation(
weightMsgMMOrder,
SimulateMsgMMOrder(ak, bk, k),
),
simulation.NewWeightedOperation(
weightMsgCancelOrder,
SimulateMsgCancelOrder(ak, bk, k),
),
simulation.NewWeightedOperation(
weightMsgCancelAllOrders,
SimulateMsgCancelAllOrders(ak, bk, k),
),
simulation.NewWeightedOperation(
weightMsgCancelMMOrder,
SimulateMsgCancelMMOrder(ak, bk, k),
),
}
}
func SimulateMsgCreatePair(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) {
fundAccountsOnce(r, ctx, bk, accs)
params := k.GetParams(ctx)
denomA, denomB, found := findNonExistingPair(r, bk, k, ctx)
if !found {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgCreatePair, "all pairs have already been created"), nil, nil
}
accs = utils.ShuffleSimAccounts(r, accs)
var simAccount simtypes.Account
var spendable sdk.Coins
skip := true
for _, simAccount = range accs {
spendable = bk.SpendableCoins(ctx, simAccount.Address)
if params.PairCreationFee.IsAllLTE(spendable) {
skip = false
break
}
}
if skip {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgCreatePair, "no account to create a pair"), nil, nil
}
msg := types.NewMsgCreatePair(simAccount.Address, denomA, denomB)
txCtx := simulation.OperationInput{
R: r,
App: app,
TxGen: appparams.MakeTestEncodingConfig().TxConfig,
Msg: msg,
MsgType: msg.Type(),
Context: ctx,
SimAccount: simAccount,
AccountKeeper: ak,
Bankkeeper: bk,
ModuleName: types.ModuleName,
CoinsSpentInMsg: spendable,
}
return utils.GenAndDeliverTxWithFees(txCtx, Gas, Fees)
}
}
func SimulateMsgCreatePool(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) {
fundAccountsOnce(r, ctx, bk, accs)
if uint32(len(k.GetAllPools(ctx))) >= k.GetMaxNumActivePoolsPerPair(ctx) {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgCreatePool, "all pools have been created"), nil, nil
}
params := k.GetParams(ctx)
minDepositAmt := params.MinInitialDepositAmount
accs = utils.ShuffleSimAccounts(r, accs)
var simAccount simtypes.Account
var spendable sdk.Coins
var pair types.Pair
skip := true
for _, simAccount = range accs {
spendable = bk.SpendableCoins(ctx, simAccount.Address)
var found bool
pair, found = findPairToCreatePool(r, k, ctx, spendable)
if found {
skip = false
break
}
}
if skip {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgCreatePool, "no account to create a pool"), nil, nil
}
depositCoins := sdk.NewCoins(
sdk.NewCoin(
pair.BaseCoinDenom,
utils.RandomInt(r, minDepositAmt, spendable.Sub(params.PoolCreationFee).AmountOf(pair.BaseCoinDenom)),
),
sdk.NewCoin(
pair.QuoteCoinDenom,
utils.RandomInt(r, minDepositAmt, spendable.Sub(params.PoolCreationFee).AmountOf(pair.QuoteCoinDenom)),
),
)
msg := types.NewMsgCreatePool(simAccount.Address, pair.Id, depositCoins)
txCtx := simulation.OperationInput{
R: r,
App: app,
TxGen: appparams.MakeTestEncodingConfig().TxConfig,
Msg: msg,
MsgType: msg.Type(),
Context: ctx,
SimAccount: simAccount,
AccountKeeper: ak,
Bankkeeper: bk,
ModuleName: types.ModuleName,
CoinsSpentInMsg: spendable,
}
return utils.GenAndDeliverTxWithFees(txCtx, Gas, Fees)
}
}
func SimulateMsgCreateRangedPool(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) {
fundAccountsOnce(r, ctx, bk, accs)
if uint32(len(k.GetAllPools(ctx))) >= k.GetMaxNumActivePoolsPerPair(ctx) {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgCreatePool, "all pools have been created"), nil, nil
}
accs = utils.ShuffleSimAccounts(r, accs)
var simAccount simtypes.Account
var spendable sdk.Coins
var pair types.Pair
skip := true
for _, simAccount = range accs {
spendable = bk.SpendableCoins(ctx, simAccount.Address)
var found bool
pair, found = findPairToCreateRangedPool(r, k, ctx, spendable)
if found {
skip = false
break
}
}
if skip {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgCreatePool, "no account to create a pool"), nil, nil
}
poolCreationFee := k.GetPoolCreationFee(ctx)
minDepositAmt := k.GetMinInitialDepositAmount(ctx)
tickPrec := amm.TickPrecision(k.GetTickPrecision(ctx))
var (
x, y sdk.Int
minPrice, maxPrice, initialPrice sdk.Dec
)
depositableCoins := spendable.Sub(poolCreationFee)
for {
x = utils.RandomInt(r, sdk.ZeroInt(), depositableCoins.AmountOf(pair.QuoteCoinDenom))
if x.LT(minDepositAmt) {
y = utils.RandomInt(r, minDepositAmt, depositableCoins.AmountOf(pair.BaseCoinDenom))
} else {
y = utils.RandomInt(r, sdk.ZeroInt(), depositableCoins.AmountOf(pair.BaseCoinDenom))
}
minPrice = amm.RandomTick(r, utils.ParseDec("0.00001"), utils.ParseDec("1"), int(tickPrec))
maxPrice = amm.RandomTick(r, minPrice.Mul(utils.ParseDec("1.01")), utils.ParseDec("10000"), int(tickPrec))
initialPrice = amm.RandomTick(r, minPrice, maxPrice, int(tickPrec))
pool, err := amm.CreateRangedPool(x, y, minPrice, maxPrice, initialPrice)
ax, ay := pool.Balances()
if err == nil && (ax.GTE(minDepositAmt) || ay.GTE(minDepositAmt)) {
break
}
}
depositCoins := sdk.NewCoins(
sdk.NewCoin(pair.BaseCoinDenom, y),
sdk.NewCoin(pair.QuoteCoinDenom, x))
msg := types.NewMsgCreateRangedPool(
simAccount.Address, pair.Id, depositCoins,
minPrice, maxPrice, initialPrice)
txCtx := simulation.OperationInput{
R: r,
App: app,
TxGen: appparams.MakeTestEncodingConfig().TxConfig,
Msg: msg,
MsgType: msg.Type(),
Context: ctx,
SimAccount: simAccount,
AccountKeeper: ak,
Bankkeeper: bk,
ModuleName: types.ModuleName,
CoinsSpentInMsg: spendable,
}
return utils.GenAndDeliverTxWithFees(txCtx, Gas, Fees)
}
}
func SimulateMsgDeposit(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) {
fundAccountsOnce(r, ctx, bk, accs)
accs = utils.ShuffleSimAccounts(r, accs)
var simAccount simtypes.Account
var spendable sdk.Coins
var pair types.Pair
var poolId uint64
var depositCoins sdk.Coins
skip := true
for _, simAccount = range accs {
spendable = bk.SpendableCoins(ctx, simAccount.Address)
_ = k.IterateAllPools(ctx, func(pool types.Pool) (stop bool, err error) {
if pool.Disabled {
return false, nil
}
pair, _ = k.GetPair(ctx, pool.PairId)
poolId = pool.Id
depositCoins = sdk.NewCoins(
sdk.NewCoin(
pair.BaseCoinDenom,
utils.RandomInt(r, sdk.OneInt(), spendable.AmountOf(pair.BaseCoinDenom))),
sdk.NewCoin(
pair.QuoteCoinDenom,
utils.RandomInt(r, sdk.OneInt(), spendable.AmountOf(pair.QuoteCoinDenom))),
)
if depositCoins.IsAllLTE(spendable) {
skip = false
return true, nil
}
return false, nil
})
if !skip {
break
}
}
if skip {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgDeposit, "no account to deposit to pool"), nil, nil
}
msg := types.NewMsgDeposit(simAccount.Address, poolId, depositCoins)
txCtx := simulation.OperationInput{
R: r,
App: app,
TxGen: appparams.MakeTestEncodingConfig().TxConfig,
Msg: msg,
MsgType: msg.Type(),
Context: ctx,
SimAccount: simAccount,
AccountKeeper: ak,
Bankkeeper: bk,
ModuleName: types.ModuleName,
CoinsSpentInMsg: spendable,
}
return utils.GenAndDeliverTxWithFees(txCtx, Gas, Fees)
}
}
func SimulateMsgWithdraw(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) {
fundAccountsOnce(r, ctx, bk, accs)
accs = utils.ShuffleSimAccounts(r, accs)
var simAccount simtypes.Account
var spendable sdk.Coins
var pool types.Pool
skip := true
loop:
for _, simAccount = range accs {
spendable = bk.SpendableCoins(ctx, simAccount.Address)
for _, coin := range spendable {
poolId, err := types.ParsePoolCoinDenom(coin.Denom)
if err != nil {
continue
}
var found bool
pool, found = k.GetPool(ctx, poolId)
if found {
skip = false
break loop
}
}
}
if skip {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgWithdraw, "no account to withdraw from pool"), nil, nil
}
poolCoin := sdk.NewCoin(pool.PoolCoinDenom, utils.RandomInt(r, sdk.OneInt(), spendable.AmountOf(pool.PoolCoinDenom)))
msg := types.NewMsgWithdraw(simAccount.Address, pool.Id, poolCoin)
txCtx := simulation.OperationInput{
R: r,
App: app,
TxGen: appparams.MakeTestEncodingConfig().TxConfig,
Msg: msg,
MsgType: msg.Type(),
Context: ctx,
SimAccount: simAccount,
AccountKeeper: ak,
Bankkeeper: bk,
ModuleName: types.ModuleName,
CoinsSpentInMsg: spendable,
}
return utils.GenAndDeliverTxWithFees(txCtx, Gas, Fees)
}
}
func SimulateMsgLimitOrder(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) {
fundAccountsOnce(r, ctx, bk, accs)
params := k.GetParams(ctx)
accs = utils.ShuffleSimAccounts(r, accs)
var simAccount simtypes.Account
var spendable sdk.Coins
var pair types.Pair
var pool types.Pool
var dir types.OrderDirection
skip := true
for _, simAccount = range accs {
spendable = bk.SpendableCoins(ctx, simAccount.Address)
var found bool
pair, pool, dir, found = findPairToMakeLimitOrder(r, k, ctx, spendable)
if found {
skip = false
break
}
}
if skip {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgLimitOrder, "no account to make a limit order"), nil, nil
}
var minPrice, maxPrice sdk.Dec
if pair.LastPrice != nil {
minPrice, maxPrice = minMaxPrice(k, ctx, *pair.LastPrice)
} else {
if pool != (types.Pool{}) {
rx, ry := k.GetPoolBalances(ctx, pool)
ammPool := pool.AMMPool(rx.Amount, ry.Amount, sdk.Int{})
minPrice, maxPrice = minMaxPrice(k, ctx, ammPool.Price())
} else {
minPrice, maxPrice = utils.ParseDec("0.5"), utils.ParseDec("5.0")
}
}
price := amm.PriceToDownTick(utils.RandomDec(r, minPrice, maxPrice), int(params.TickPrecision))
minAmt := sdk.MaxInt(
amm.MinCoinAmount,
amm.MinCoinAmount.ToDec().QuoRoundUp(price).Ceil().TruncateInt(),
)
amt := utils.RandomInt(r, minAmt, minAmt.MulRaw(100))
var offerCoin sdk.Coin
var demandCoinDenom string
switch dir {
case types.OrderDirectionBuy:
offerCoin = sdk.NewCoin(pair.QuoteCoinDenom, price.MulInt(amt).Ceil().TruncateInt())
demandCoinDenom = pair.BaseCoinDenom
case types.OrderDirectionSell:
offerCoin = sdk.NewCoin(pair.BaseCoinDenom, amt)
demandCoinDenom = pair.QuoteCoinDenom
}
if offerCoin.Amount.LT(amm.MinCoinAmount) {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgLimitOrder, "too small offer coin amount"), nil, nil
}
if !sdk.NewCoins(offerCoin).IsAllLTE(spendable) {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgLimitOrder, "insufficient funds"), nil, nil
}
lifespan := time.Duration(r.Int63n(int64(params.MaxOrderLifespan)))
msg := types.NewMsgLimitOrder(
simAccount.Address, pair.Id, dir, offerCoin, demandCoinDenom, price, amt, lifespan)
txCtx := simulation.OperationInput{
R: r,
App: app,
TxGen: appparams.MakeTestEncodingConfig().TxConfig,
Msg: msg,
MsgType: msg.Type(),
Context: ctx,
SimAccount: simAccount,
AccountKeeper: ak,
Bankkeeper: bk,
ModuleName: types.ModuleName,
CoinsSpentInMsg: spendable,
}
return utils.GenAndDeliverTxWithFees(txCtx, Gas, Fees)
}
}
func SimulateMsgMarketOrder(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) {
fundAccountsOnce(r, ctx, bk, accs)
params := k.GetParams(ctx)
accs = utils.ShuffleSimAccounts(r, accs)
var simAccount simtypes.Account
var spendable sdk.Coins
var pair types.Pair
var dir types.OrderDirection
skip := true
for _, simAccount = range accs {
spendable = bk.SpendableCoins(ctx, simAccount.Address)
var found bool
pair, dir, found = findPairToMakeMarketOrder(r, k, ctx, spendable)
if found {
skip = false
break
}
}
if skip {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgMarketOrder, "no account to make a market order"), nil, nil
}
minPrice, maxPrice := types.PriceLimits(*pair.LastPrice, k.GetMaxPriceLimitRatio(ctx), int(k.GetTickPrecision(ctx)))
minAmt := sdk.MaxInt(
amm.MinCoinAmount,
amm.MinCoinAmount.ToDec().QuoRoundUp(minPrice).Ceil().TruncateInt(),
)
amt := utils.RandomInt(r, minAmt, minAmt.MulRaw(100))
var offerCoin sdk.Coin
var demandCoinDenom string
switch dir {
case types.OrderDirectionBuy:
offerCoin = sdk.NewCoin(pair.QuoteCoinDenom, maxPrice.MulInt(amt).Ceil().TruncateInt())
demandCoinDenom = pair.BaseCoinDenom
case types.OrderDirectionSell:
offerCoin = sdk.NewCoin(pair.BaseCoinDenom, amt)
demandCoinDenom = pair.QuoteCoinDenom
}
if offerCoin.Amount.LT(amm.MinCoinAmount) {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgMarketOrder, "too small offer coin amount"), nil, nil
}
if !sdk.NewCoins(offerCoin).IsAllLTE(spendable) {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgMarketOrder, "insufficient funds"), nil, nil
}
lifespan := time.Duration(r.Int63n(int64(params.MaxOrderLifespan)))
msg := types.NewMsgMarketOrder(
simAccount.Address, pair.Id, dir, offerCoin, demandCoinDenom, amt, lifespan)
txCtx := simulation.OperationInput{
R: r,
App: app,
TxGen: appparams.MakeTestEncodingConfig().TxConfig,
Msg: msg,
MsgType: msg.Type(),
Context: ctx,
SimAccount: simAccount,
AccountKeeper: ak,
Bankkeeper: bk,
ModuleName: types.ModuleName,
CoinsSpentInMsg: spendable,
}
return utils.GenAndDeliverTxWithFees(txCtx, Gas, Fees)
}
}
func SimulateMsgMMOrder(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) {
fundAccountsOnce(r, ctx, bk, accs)
accs = utils.ShuffleSimAccounts(r, accs)
var (
simAccount simtypes.Account
spendable sdk.Coins
pair types.Pair
canSell, canBuy bool
)
skip := true
for _, simAccount = range accs {
spendable = bk.SpendableCoins(ctx, simAccount.Address)
var found bool
pair, canSell, canBuy, found = findPairToMakeMMOrders(r, k, ctx, simAccount.Address, spendable)
if found {
skip = false
break
}
}
if skip {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgMMOrder, "no account to make market making orders"), nil, nil
}
var minPrice, maxPrice sdk.Dec
tickPrec := int(k.GetTickPrecision(ctx))
if pair.LastPrice == nil {
minPrice = utils.ParseDec("0.5")
maxPrice = utils.ParseDec("5.0")
} else {
minPrice, maxPrice = types.PriceLimits(*pair.LastPrice, k.GetMaxPriceLimitRatio(ctx), tickPrec)
}
midPrice := minPrice.Add(maxPrice).QuoInt64(2)
maxNumTicks := k.GetMaxNumMarketMakingOrderTicks(ctx)
ammTickPrec := amm.TickPrecision(tickPrec)
var (
maxSellPrice, minSellPrice sdk.Dec
sellAmt = sdk.ZeroInt()
maxBuyPrice, minBuyPrice sdk.Dec
buyAmt = sdk.ZeroInt()
)
if canSell {
minSellPrice = ammTickPrec.PriceToDownTick(
utils.RandomDec(r, midPrice.Mul(utils.ParseDec("0.98")), midPrice.Mul(utils.ParseDec("1.02"))))
maxSellPrice = ammTickPrec.PriceToDownTick(
utils.RandomDec(r, minSellPrice, maxPrice))
sellAmt = utils.RandomInt(r, amm.MinCoinAmount, sdk.NewInt(10_000000))
}
if canBuy {
maxBuyPrice = ammTickPrec.PriceToUpTick(
utils.RandomDec(r, midPrice.Mul(utils.ParseDec("0.98")), midPrice.Mul(utils.ParseDec("1.02"))))
minBuyPrice = ammTickPrec.PriceToUpTick(
utils.RandomDec(r, minPrice, maxBuyPrice))
buyAmt = utils.RandomInt(r, amm.MinCoinAmount, sdk.NewInt(10_000000))
}
offerBaseCoin := sdk.NewInt64Coin(pair.BaseCoinDenom, 0)
offerQuoteCoin := sdk.NewInt64Coin(pair.QuoteCoinDenom, 0)
if buyAmt.IsPositive() {
buyTicks := types.MMOrderTicks(
types.OrderDirectionBuy, minBuyPrice, maxBuyPrice, buyAmt, int(maxNumTicks), tickPrec)
for _, tick := range buyTicks {
offerQuoteCoin = offerQuoteCoin.AddAmount(tick.OfferCoinAmount)
}
}
if sellAmt.IsPositive() {
sellTicks := types.MMOrderTicks(
types.OrderDirectionSell, minSellPrice, maxSellPrice, sellAmt, int(maxNumTicks), tickPrec)
for _, tick := range sellTicks {
offerBaseCoin = offerBaseCoin.AddAmount(tick.OfferCoinAmount)
}
}
if !sdk.NewCoins(offerBaseCoin, offerQuoteCoin).IsAllLTE(spendable) {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgMMOrder, "insufficient funds"), nil, nil
}
lifespan := time.Duration(r.Int63n(int64(k.GetMaxOrderLifespan(ctx))))
msg := types.NewMsgMMOrder(
simAccount.Address, pair.Id,
maxSellPrice, minSellPrice, sellAmt,
maxBuyPrice, minBuyPrice, buyAmt,
lifespan)
txCtx := simulation.OperationInput{
R: r,
App: app,
TxGen: appparams.MakeTestEncodingConfig().TxConfig,
Msg: msg,
MsgType: msg.Type(),
Context: ctx,
SimAccount: simAccount,
AccountKeeper: ak,
Bankkeeper: bk,
ModuleName: types.ModuleName,
CoinsSpentInMsg: spendable,
}
return utils.GenAndDeliverTxWithFees(txCtx, Gas, Fees)
}
}
func SimulateMsgCancelOrder(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) {
fundAccountsOnce(r, ctx, bk, accs)
var simAccount simtypes.Account
var spendable sdk.Coins
var orders []types.Order
skip := true
for _, simAccount = range accs {
spendable = bk.SpendableCoins(ctx, simAccount.Address)
found := false
_ = k.IterateOrdersByOrderer(ctx, simAccount.Address, func(order types.Order) (stop bool, err error) {
pair, _ := k.GetPair(ctx, order.PairId)
if order.Status.CanBeCanceled() && order.BatchId < pair.CurrentBatchId {
orders = append(orders, order)
found = true
return true, nil
}
return false, nil
})
if found {
skip = false
break
}
}
if skip {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgCancelOrder, "no account to cancel an order"), nil, nil
}
order := orders[r.Intn(len(orders))]
msg := types.NewMsgCancelOrder(simAccount.Address, order.PairId, order.Id)
txCtx := simulation.OperationInput{
R: r,
App: app,
TxGen: appparams.MakeTestEncodingConfig().TxConfig,
Msg: msg,
MsgType: msg.Type(),
Context: ctx,
SimAccount: simAccount,
AccountKeeper: ak,
Bankkeeper: bk,
ModuleName: types.ModuleName,
CoinsSpentInMsg: spendable,
}
return utils.GenAndDeliverTxWithFees(txCtx, Gas, Fees)
}
}
func SimulateMsgCancelAllOrders(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) {
fundAccountsOnce(r, ctx, bk, accs)
var simAccount simtypes.Account
var spendable sdk.Coins
pairIds := map[uint64]struct{}{}
skip := true
for _, simAccount = range accs {
spendable = bk.SpendableCoins(ctx, simAccount.Address)
found := false
_ = k.IterateOrdersByOrderer(ctx, simAccount.Address, func(order types.Order) (stop bool, err error) {
pair, _ := k.GetPair(ctx, order.PairId)
if order.Status.CanBeCanceled() && order.BatchId < pair.CurrentBatchId {
pairIds[order.PairId] = struct{}{}
found = true
}
return false, nil
})
if found {
skip = false
break
}
}
if skip {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgCancelOrder, "no account to cancel an order"), nil, nil
}
var selectedPairIds []uint64
for pairId := range pairIds {
selectedPairIds = append(selectedPairIds, pairId)
}
// Sort pair ids since the order of keys in a map is not deterministic.
sort.SliceStable(selectedPairIds, func(i, j int) bool {
return selectedPairIds[i] < selectedPairIds[j]
})
r.Shuffle(len(selectedPairIds), func(i, j int) {
selectedPairIds[i], selectedPairIds[j] = selectedPairIds[j], selectedPairIds[i]
})
selectedPairIds = selectedPairIds[:r.Intn(len(selectedPairIds))]
msg := types.NewMsgCancelAllOrders(simAccount.Address, selectedPairIds)
txCtx := simulation.OperationInput{
R: r,
App: app,
TxGen: appparams.MakeTestEncodingConfig().TxConfig,
Msg: msg,
MsgType: msg.Type(),
Context: ctx,
SimAccount: simAccount,
AccountKeeper: ak,
Bankkeeper: bk,
ModuleName: types.ModuleName,
CoinsSpentInMsg: spendable,
}
return utils.GenAndDeliverTxWithFees(txCtx, Gas, Fees)
}
}
func SimulateMsgCancelMMOrder(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) {
fundAccountsOnce(r, ctx, bk, accs)
accs = utils.ShuffleSimAccounts(r, accs)
var simAccount simtypes.Account
var spendable sdk.Coins
var pair types.Pair
skip := true
for _, simAccount = range accs {
spendable = bk.SpendableCoins(ctx, simAccount.Address)
var found bool
pair, found = findPairToCancelMMOrders(r, k, ctx, simAccount.Address)
if found {
skip = false
break
}
}
if skip {
return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgCancelMMOrder, "no account to cancel market making orders"), nil, nil
}
msg := types.NewMsgCancelMMOrder(simAccount.Address, pair.Id)
txCtx := simulation.OperationInput{
R: r,
App: app,
TxGen: appparams.MakeTestEncodingConfig().TxConfig,
Msg: msg,
MsgType: msg.Type(),
Context: ctx,
SimAccount: simAccount,
AccountKeeper: ak,
Bankkeeper: bk,
ModuleName: types.ModuleName,
CoinsSpentInMsg: spendable,
}
return utils.GenAndDeliverTxWithFees(txCtx, Gas, Fees)
}
}
var once sync.Once
func fundAccountsOnce(r *rand.Rand, ctx sdk.Context, bk types.BankKeeper, accs []simtypes.Account) {
once.Do(func() {
denoms := []string{"denom1", "denom2", "denom3"}
maxAmt := sdk.NewInt(1_000_000_000_000_000)
for _, acc := range accs {
var coins sdk.Coins
for _, denom := range denoms {
coins = coins.Add(sdk.NewCoin(denom, simtypes.RandomAmount(r, maxAmt)))
}
if err := bk.MintCoins(ctx, types.ModuleName, coins); err != nil {
panic(err)
}
if err := bk.SendCoinsFromModuleToAccount(ctx, types.ModuleName, acc.Address, coins); err != nil {
panic(err)
}
}
})
}
func findNonExistingPair(r *rand.Rand, bk types.BankKeeper, k keeper.Keeper, ctx sdk.Context) (string, string, bool) {
var denoms []string
bk.IterateTotalSupply(ctx, func(coin sdk.Coin) bool {
denoms = append(denoms, coin.Denom)
return false
})
r.Shuffle(len(denoms), func(i, j int) {
denoms[i], denoms[j] = denoms[j], denoms[i]
})
for _, denomA := range denoms {
for _, denomB := range denoms {
if denomA != denomB {
if _, found := k.GetPairByDenoms(ctx, denomA, denomB); !found {
return denomA, denomB, true
}
}
}
}
return "", "", false
}
func findPairToCreatePool(r *rand.Rand, k keeper.Keeper, ctx sdk.Context, spendable sdk.Coins) (types.Pair, bool) {
params := k.GetParams(ctx)
var pairs []types.Pair
_ = k.IterateAllPairs(ctx, func(pair types.Pair) (stop bool, err error) {
pairs = append(pairs, pair)
return false, nil
})
r.Shuffle(len(pairs), func(i, j int) {
pairs[i], pairs[j] = pairs[j], pairs[i]
})
for _, pair := range pairs {
found := false // Found a non-disabled pool?
_ = k.IteratePoolsByPair(ctx, pair.Id, func(pool types.Pool) (stop bool, err error) {
if !pool.Disabled {
found = true
return true, nil
}
return false, nil
})
if found {
continue
}
minDepositCoins := sdk.NewCoins(
sdk.NewCoin(pair.BaseCoinDenom, params.MinInitialDepositAmount),
sdk.NewCoin(pair.QuoteCoinDenom, params.MinInitialDepositAmount),
)
if minDepositCoins.Add(params.PoolCreationFee...).IsAllLTE(spendable) {
return pair, true
}
}
return types.Pair{}, false
}
func findPairToCreateRangedPool(r *rand.Rand, k keeper.Keeper, ctx sdk.Context, spendable sdk.Coins) (types.Pair, bool) {
var hasNeg bool
spendable, hasNeg = spendable.SafeSub(k.GetPoolCreationFee(ctx))
if hasNeg {