mirror of
https://github.com/0glabs/0g-chain.git
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ffef832d45
- 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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// "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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// 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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// // 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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// // 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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// 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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// 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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// 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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// 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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// 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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// // 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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// // 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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// 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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// // 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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// // Generate random deadline
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// deadline := genRandDeadline(r, blockTime)
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// depositorAcc := ak.GetAccount(ctx, depositor.Address)
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// depositorCoins := depositorAcc.SpendableCoins(blockTime)
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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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// // 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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// 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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// // 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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// 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{depositorAcc.GetAccountNumber()},
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// []uint64{depositorAcc.GetSequence()},
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// depositor.PrivKey,
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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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// // 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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// 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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// // 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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// 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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// // 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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// // 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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// 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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// 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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// // Generate random deadline
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// blockTime := ctx.BlockHeader().Time
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// deadline := genRandDeadline(r, blockTime)
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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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// _, 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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// // SimulateMsgSwapExactForTokens generates a MsgSwapExactForTokens
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// func SimulateMsgSwapExactForTokens(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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// 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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// // 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() {
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// return false
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// }
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// return true
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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 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) {
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// maxTradeAmount = traderAcc.GetCoins().AmountOf(inputToken.Denom)
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// }
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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))
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// 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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// // 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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// 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)
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// // 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))
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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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// // Construct MsgSwapExactForTokens
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// msg := types.NewMsgSwapExactForTokens(traderAcc.GetAddress(), exactInputToken, expectedOutputToken, slippage, 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{traderAcc.GetAccountNumber()},
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// []uint64{traderAcc.GetSequence()},
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// trader.PrivKey,
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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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// // SimulateMsgSwapForExactTokens generates a MsgSwapForExactTokens
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// func SimulateMsgSwapForExactTokens(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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// 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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// // 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() {
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// return false
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// }
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// return true
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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 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) {
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// maxTradeAmount = traderAcc.GetCoins().AmountOf(inputToken.Denom)
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// }
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// // Expected 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))
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// 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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// 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
|
|
// }
|