tx.go

package cli

import (
	"encoding/json"
	"errors"
	"fmt"
	"os"
	"strconv"
	"strings"
	"time"

	flag "github.com/spf13/pflag"

	"github.com/cosmos/cosmos-sdk/client"
	"github.com/cosmos/cosmos-sdk/client/flags"
	"github.com/cosmos/cosmos-sdk/client/tx"
	govcli "github.com/cosmos/cosmos-sdk/x/gov/client/cli"
	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"

	"github.com/spf13/cobra"

	sdk "github.com/cosmos/cosmos-sdk/types"

	"github.com/osmosis-labs/osmosis/osmomath"
	"github.com/osmosis-labs/osmosis/osmoutils/osmocli"
	"github.com/fury-labs/furya/v20/x/gamm/pool-models/balancer"
	"github.com/fury-labs/furya/v20/x/gamm/pool-models/stableswap"
	"github.com/fury-labs/furya/v20/x/poolmanager/types"
)

func NewTxCmd() *cobra.Command {
	txCmd := osmocli.TxIndexCmd(types.ModuleName)

	osmocli.AddTxCmd(txCmd, NewSwapExactAmountInCmd)
	osmocli.AddTxCmd(txCmd, NewSwapExactAmountOutCmd)
	osmocli.AddTxCmd(txCmd, NewSplitRouteSwapExactAmountIn)
	osmocli.AddTxCmd(txCmd, NewSplitRouteSwapExactAmountOut)
	txCmd.AddCommand(NewSetDenomPairTakerFeeCmd())

	txCmd.AddCommand(
		NewCreatePoolCmd(),
	)

	return txCmd
}

func NewSwapExactAmountInCmd() (*osmocli.TxCliDesc, *types.MsgSwapExactAmountIn) {
	return &osmocli.TxCliDesc{
		Use:     "swap-exact-amount-in",
		Short:   "swap exact amount in",
		Example: "furyad tx poolmanager swap-exact-amount-in 2000000ufury 1 --swap-route-pool-ids 5 --swap-route-denoms uion --from val --keyring-backend test -b=block --chain-id=localfurya --fees 10000ufury",
		CustomFieldParsers: map[string]osmocli.CustomFieldParserFn{
			"Routes": osmocli.FlagOnlyParser(swapAmountInRoutes),
		},
		Flags: osmocli.FlagDesc{RequiredFlags: []*flag.FlagSet{FlagSetMultihopSwapRoutes()}},
	}, &types.MsgSwapExactAmountIn{}
}

func NewSwapExactAmountOutCmd() (*osmocli.TxCliDesc, *types.MsgSwapExactAmountOut) {
	// Can't get rid of this parser without a break, because the args are out of order.
	return &osmocli.TxCliDesc{
		Use:              "swap-exact-amount-out",
		Short:            "swap exact amount out",
		Example:          "furyad tx poolmanager swap-exact-amount-out 100uion 1000000 --swap-route-pool-ids 1 --swap-route-denoms ufury --from val --keyring-backend test -b=block --chain-id=localfurya --fees 10000ufury",
		NumArgs:          2,
		ParseAndBuildMsg: NewBuildSwapExactAmountOutMsg,
		Flags:            osmocli.FlagDesc{RequiredFlags: []*flag.FlagSet{FlagSetMultihopSwapRoutes()}},
	}, &types.MsgSwapExactAmountOut{}
}

func NewSplitRouteSwapExactAmountIn() (*osmocli.TxCliDesc, *types.MsgSplitRouteSwapExactAmountIn) {
	return &osmocli.TxCliDesc{
		Use:   "split-route-swap-exact-amount-in",
		Short: "split route swap exact amount in",
		Example: `furyad tx poolmanager split-route-swap-exact-amount-in ufury 1 --routes-file="./routes.json" --from val --keyring-backend test -b=block --chain-id=localfurya --fees 10000ufury
		- routes.json
		{
			"Route": [
			  {
			  "swap_amount_in_route": [
				{
				"pool_id": 1,
				"token_out_denom": "uion"
				},
				{
				"pool_id": 2,
				"token_out_denom": "ufury"
				}
			  ],
			  "token_in_amount": 1000
			  },
			  {
			  "swap_amount_in_route": [
				{
				"pool_id": 3,
				"token_out_denom": "bar"
				},
				{
				"pool_id": 4,
				"token_out_denom": "ufury"
				}
			  ],
			  "token_in_amount": 999
			  }
			]
		}
		`,
		CustomFieldParsers: map[string]osmocli.CustomFieldParserFn{
			"Routes": osmocli.FlagOnlyParser(NewMsgNewSplitRouteSwapExactAmountIn),
		},
		Flags: osmocli.FlagDesc{
			RequiredFlags: []*flag.FlagSet{FlagSetCreateRoutes()},
		},
	}, &types.MsgSplitRouteSwapExactAmountIn{}
}

func NewSplitRouteSwapExactAmountOut() (*osmocli.TxCliDesc, *types.MsgSplitRouteSwapExactAmountOut) {
	return &osmocli.TxCliDesc{
		Use:   "split-route-swap-exact-amount-out",
		Short: "split route swap exact amount out",
		Example: `furyad tx poolmanager split-route-swap-exact-amount-out ufury 1 --routes-file="./routes.json" --from val --keyring-backend test -b=block --chain-id=localfurya --fees 10000ufury
		- routes.json
		{
			"route": [
				{
				"swap_amount_out_route": [
					{
					"pool_id": 1,
					"token_in_denom": "uion"
					},
					{
					"pool_id": 2,
					"token_in_denom": "ufury"
					}
				],
				"token_out_amount": 1000
				},
				{
				"swap_amount_out_route": [
					{
					"pool_id": 3,
					"token_in_denom": "uion"
					},
					{
					"pool_id": 4,
					"token_in_denom": "ufury"
					}
				],
				"token_out_amount": 999
				}
			]
			}
		`,
		CustomFieldParsers: map[string]osmocli.CustomFieldParserFn{
			"Routes": osmocli.FlagOnlyParser(NewMsgNewSplitRouteSwapExactAmountOut),
		},
		Flags: osmocli.FlagDesc{
			RequiredFlags: []*flag.FlagSet{FlagSetCreateRoutes()},
		},
	}, &types.MsgSplitRouteSwapExactAmountOut{}
}

func NewMsgNewSplitRouteSwapExactAmountOut(fs *flag.FlagSet) ([]types.SwapAmountOutSplitRoute, error) {
	routesFile, _ := fs.GetString(FlagRoutesFile)
	if routesFile == "" {
		return nil, fmt.Errorf("must pass in a routes json using the --%s flag", FlagRoutesFile)
	}

	contents, err := os.ReadFile(routesFile)
	if err != nil {
		return nil, err
	}

	var splitRouteJSONdata RoutesOut
	err = json.Unmarshal(contents, &splitRouteJSONdata)
	if err != nil {
		return nil, err
	}

	var splitRouteProto []types.SwapAmountOutSplitRoute
	for _, route := range splitRouteJSONdata.Route {
		protoRoute := types.SwapAmountOutSplitRoute{
			TokenOutAmount: osmomath.NewInt(route.TokenOutAmount),
		}
		protoRoute.Pools = append(protoRoute.Pools, route.Pools...)
		splitRouteProto = append(splitRouteProto, protoRoute)
	}

	return splitRouteProto, nil
}

func NewMsgNewSplitRouteSwapExactAmountIn(fs *flag.FlagSet) ([]types.SwapAmountInSplitRoute, error) {
	routesFile, _ := fs.GetString(FlagRoutesFile)
	if routesFile == "" {
		return nil, fmt.Errorf("must pass in a routes json using the --%s flag", FlagRoutesFile)
	}

	contents, err := os.ReadFile(routesFile)
	if err != nil {
		return nil, err
	}

	var splitRouteJSONdata RoutesIn
	err = json.Unmarshal(contents, &splitRouteJSONdata)
	if err != nil {
		return nil, err
	}

	var splitRouteProto []types.SwapAmountInSplitRoute
	for _, route := range splitRouteJSONdata.Route {
		protoRoute := types.SwapAmountInSplitRoute{
			TokenInAmount: osmomath.NewInt(route.TokenInAmount),
		}
		protoRoute.Pools = append(protoRoute.Pools, route.Pools...)
		splitRouteProto = append(splitRouteProto, protoRoute)
	}

	return splitRouteProto, nil
}

func NewBuildSwapExactAmountOutMsg(clientCtx client.Context, args []string, fs *flag.FlagSet) (sdk.Msg, error) {
	tokenOutStr, tokenInMaxAmountStr := args[0], args[1]
	routes, err := swapAmountOutRoutes(fs)
	if err != nil {
		return nil, err
	}

	tokenOut, err := sdk.ParseCoinNormalized(tokenOutStr)
	if err != nil {
		return nil, err
	}

	tokenInMaxAmount, ok := osmomath.NewIntFromString(tokenInMaxAmountStr)
	if !ok {
		return nil, errors.New("invalid token in max amount")
	}
	return &types.MsgSwapExactAmountOut{
		Sender:           clientCtx.GetFromAddress().String(),
		Routes:           routes,
		TokenInMaxAmount: tokenInMaxAmount,
		TokenOut:         tokenOut,
	}, nil
}

func NewCreatePoolCmd() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "create-pool [flags]",
		Short: "create a new pool and provide the liquidity to it",
		Long:  `Must provide path to a pool JSON file (--pool-file) describing the pool to be created`,
		Example: `Sample pool JSON file contents:
{
	"weights": "4uatom,4osmo,2uakt",
	"initial-deposit": "100uatom,5osmo,20uakt",
	"swap-fee": "0.01",
	"exit-fee": "0.01",
	"future-governor": "168h"
}
`,
		Args: cobra.ExactArgs(0),
		RunE: func(cmd *cobra.Command, args []string) error {
			clientCtx, err := client.GetClientTxContext(cmd)
			if err != nil {
				return err
			}

			txf := tx.NewFactoryCLI(clientCtx, cmd.Flags()).WithTxConfig(clientCtx.TxConfig).WithAccountRetriever(clientCtx.AccountRetriever)

			txf, msg, err := NewBuildCreateBalancerPoolMsg(clientCtx, txf, cmd.Flags())
			if err != nil {
				return err
			}

			return tx.GenerateOrBroadcastTxWithFactory(clientCtx, txf, msg)
		},
	}

	cmd.Flags().AddFlagSet(FlagSetCreatePool())
	flags.AddTxFlagsToCmd(cmd)

	_ = cmd.MarkFlagRequired(FlagPoolFile)

	return cmd
}

func NewBuildCreateBalancerPoolMsg(clientCtx client.Context, txf tx.Factory, fs *flag.FlagSet) (tx.Factory, sdk.Msg, error) {
	pool, err := parseCreateBalancerPoolFlags(fs)
	if err != nil {
		return txf, nil, fmt.Errorf("failed to parse pool: %w", err)
	}

	deposit, err := sdk.ParseCoinsNormalized(pool.InitialDeposit)
	if err != nil {
		return txf, nil, err
	}

	poolAssetCoins, err := sdk.ParseDecCoins(pool.Weights)
	if err != nil {
		return txf, nil, err
	}

	if len(deposit) != len(poolAssetCoins) {
		return txf, nil, errors.New("deposit tokens and token weights should have same length")
	}

	spreadFactor, err := osmomath.NewDecFromStr(pool.SwapFee)
	if err != nil {
		return txf, nil, err
	}

	exitFee, err := osmomath.NewDecFromStr(pool.ExitFee)
	if err != nil {
		return txf, nil, err
	}

	var poolAssets []balancer.PoolAsset
	for i := 0; i < len(poolAssetCoins); i++ {
		if poolAssetCoins[i].Denom != deposit[i].Denom {
			return txf, nil, errors.New("deposit tokens and token weights should have same denom order")
		}

		poolAssets = append(poolAssets, balancer.PoolAsset{
			Weight: poolAssetCoins[i].Amount.RoundInt(),
			Token:  deposit[i],
		})
	}

	poolParams := &balancer.PoolParams{
		SwapFee: spreadFactor,
		ExitFee: exitFee,
	}

	msg := &balancer.MsgCreateBalancerPool{
		Sender:             clientCtx.GetFromAddress().String(),
		PoolParams:         poolParams,
		PoolAssets:         poolAssets,
		FuturePoolGovernor: pool.FutureGovernor,
	}

	if (pool.SmoothWeightChangeParams != smoothWeightChangeParamsInputs{}) {
		duration, err := time.ParseDuration(pool.SmoothWeightChangeParams.Duration)
		if err != nil {
			return txf, nil, fmt.Errorf("could not parse duration: %w", err)
		}

		targetPoolAssetCoins, err := sdk.ParseDecCoins(pool.SmoothWeightChangeParams.TargetPoolWeights)
		if err != nil {
			return txf, nil, err
		}

		var targetPoolAssets []balancer.PoolAsset
		for i := 0; i < len(targetPoolAssetCoins); i++ {
			if targetPoolAssetCoins[i].Denom != poolAssetCoins[i].Denom {
				return txf, nil, errors.New("initial pool weights and target pool weights should have same denom order")
			}

			targetPoolAssets = append(targetPoolAssets, balancer.PoolAsset{
				Weight: targetPoolAssetCoins[i].Amount.RoundInt(),
				Token:  deposit[i],
				// TODO: This doesn't make sense. Should only use denom, not an sdk.Coin
			})
		}

		smoothWeightParams := balancer.SmoothWeightChangeParams{
			Duration:           duration,
			InitialPoolWeights: poolAssets,
			TargetPoolWeights:  targetPoolAssets,
		}

		if pool.SmoothWeightChangeParams.StartTime != "" {
			startTime, err := time.Parse(time.RFC3339, pool.SmoothWeightChangeParams.StartTime)
			if err != nil {
				return txf, nil, fmt.Errorf("could not parse time: %w", err)
			}

			smoothWeightParams.StartTime = startTime
		}

		msg.PoolParams.SmoothWeightChangeParams = &smoothWeightParams
	}

	return txf, msg, nil
}

// Apologies to whoever has to touch this next, this code is horrendous
func NewBuildCreateStableswapPoolMsg(clientCtx client.Context, txf tx.Factory, fs *flag.FlagSet) (tx.Factory, sdk.Msg, error) {
	flags, err := parseCreateStableswapPoolFlags(fs)
	if err != nil {
		return txf, nil, fmt.Errorf("failed to parse pool: %w", err)
	}

	deposit, err := ParseCoinsNoSort(flags.InitialDeposit)
	if err != nil {
		return txf, nil, err
	}

	spreadFactor, err := osmomath.NewDecFromStr(flags.SwapFee)
	if err != nil {
		return txf, nil, err
	}

	exitFee, err := osmomath.NewDecFromStr(flags.ExitFee)
	if err != nil {
		return txf, nil, err
	}

	poolParams := &stableswap.PoolParams{
		SwapFee: spreadFactor,
		ExitFee: exitFee,
	}

	scalingFactors := []uint64{}
	trimmedSfString := strings.Trim(flags.ScalingFactors, "[] {}")
	if len(trimmedSfString) > 0 {
		ints := strings.Split(trimmedSfString, ",")
		for _, i := range ints {
			u, err := strconv.ParseUint(i, 10, 64)
			if err != nil {
				return txf, nil, err
			}
			scalingFactors = append(scalingFactors, u)
		}
		if len(scalingFactors) != len(deposit) {
			return txf, nil, fmt.Errorf("number of scaling factors doesn't match number of assets")
		}
	}

	msg := &stableswap.MsgCreateStableswapPool{
		Sender:                  clientCtx.GetFromAddress().String(),
		PoolParams:              poolParams,
		InitialPoolLiquidity:    deposit,
		ScalingFactors:          scalingFactors,
		ScalingFactorController: flags.ScalingFactorController,
		FuturePoolGovernor:      flags.FutureGovernor,
	}

	return txf, msg, nil
}

// ParseCoinsNoSort parses coins from coinsStr but does not sort them.
// Returns error if parsing fails.
func ParseCoinsNoSort(coinsStr string) (sdk.Coins, error) {
	coinStrs := strings.Split(coinsStr, ",")
	decCoins := make(sdk.DecCoins, len(coinStrs))
	for i, coinStr := range coinStrs {
		coin, err := sdk.ParseDecCoin(coinStr)
		if err != nil {
			return sdk.Coins{}, err
		}

		decCoins[i] = coin
	}
	return sdk.NormalizeCoins(decCoins), nil
}

// NewCmdHandleDenomPairTakerFeeProposal implements a command handler for denom pair taker fee proposal
func NewCmdHandleDenomPairTakerFeeProposal() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "denom-pair-taker-fee-proposal [denom-pairs-with-taker-fee] [flags]",
		Args:  cobra.ExactArgs(1),
		Short: "Submit a denom pair taker fee proposal",
		Long: strings.TrimSpace(`Submit a denom pair taker fee proposal.

Passing in denom-pairs-with-taker-fee separated by commas would be parsed automatically to pairs of denomPairTakerFee records.
Ex) denom-pair-taker-fee-proposal uion,ufury,0.0016,stake,ufury,0.005,uatom,ufury,0.0015 ->
[uion<>ufury, takerFee 0.16%]
[stake<>ufury, takerFee 0.5%]
[uatom<>ufury, removes from state since its being set to the default takerFee value]

		`),
		RunE: func(cmd *cobra.Command, args []string) error {
			clientCtx, err := client.GetClientTxContext(cmd)
			if err != nil {
				return err
			}

			content, err := parseDenomPairTakerFeeArgToContent(cmd, args[0])
			if err != nil {
				return err
			}

			from := clientCtx.GetFromAddress()

			depositStr, err := cmd.Flags().GetString(govcli.FlagDeposit)
			if err != nil {
				return err
			}
			deposit, err := sdk.ParseCoinsNormalized(depositStr)
			if err != nil {
				return err
			}

			msg, err := govtypes.NewMsgSubmitProposal(content, deposit, from)
			if err != nil {
				return err
			}

			if err = msg.ValidateBasic(); err != nil {
				return err
			}

			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
		},
	}
	cmd.Flags().String(govcli.FlagTitle, "", "title of proposal")
	cmd.Flags().String(govcli.FlagDescription, "", "description of proposal")
	cmd.Flags().String(govcli.FlagDeposit, "", "deposit of proposal")
	cmd.Flags().Bool(govcli.FlagIsExpedited, false, "If true, makes the proposal an expedited one")
	cmd.Flags().String(govcli.FlagProposal, "", "Proposal file path (if this path is given, other proposal flags are ignored)")

	return cmd
}

func NewSetDenomPairTakerFeeCmd() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "set-denom-pair-taker-fee [flags]",
		Short: "allows admin addresses to set the taker fee for a denom pair",
		Long: strings.TrimSpace(`Allows admin addresses to set the taker fee for a denom pair.

Passing in set-denom-pair-taker-fee separated by commas would be parsed automatically to pairs of denomPairTakerFee records.
Ex) set-denom-pair-taker-fee uion,ufury,0.0016,stake,ufury,0.005,uatom,ufury,0.0015 ->
[uion<>ufury, takerFee 0.16%]
[stake<>ufury, takerFee 0.5%]
[uatom<>ufury, removes from state since its being set to the default takerFee value]

		`),
		Args: cobra.ExactArgs(1),
		RunE: func(cmd *cobra.Command, args []string) error {
			clientCtx, err := client.GetClientTxContext(cmd)
			if err != nil {
				return err
			}

			msg, err := parseDenomPairTakerFeeArgToMsg(clientCtx, args[0])
			if err != nil {
				return err
			}

			if err = msg.ValidateBasic(); err != nil {
				return err
			}

			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
		},
	}

	cmd.Flags().AddFlagSet(FlagSetCreatePool())
	flags.AddTxFlagsToCmd(cmd)

	return cmd
}

func parseDenomPairTakerFeeArgToContent(cmd *cobra.Command, arg string) (govtypes.Content, error) {
	title, err := cmd.Flags().GetString(govcli.FlagTitle)
	if err != nil {
		return nil, err
	}

	description, err := cmd.Flags().GetString(govcli.FlagDescription)
	if err != nil {
		return nil, err
	}

	denomPairTakerFee, err := ParseDenomPairTakerFee(arg)
	if err != nil {
		return nil, err
	}

	content := &types.DenomPairTakerFeeProposal{
		Title:             title,
		Description:       description,
		DenomPairTakerFee: denomPairTakerFee,
	}

	return content, nil
}

func parseDenomPairTakerFeeArgToMsg(clientCtx client.Context, arg string) (sdk.Msg, error) {
	denomPairTakerFee, err := ParseDenomPairTakerFee(arg)
	if err != nil {
		return nil, err
	}

	msg := &types.MsgSetDenomPairTakerFee{
		Sender:            clientCtx.GetFromAddress().String(),
		DenomPairTakerFee: denomPairTakerFee,
	}

	return msg, nil
}

func ParseDenomPairTakerFee(arg string) ([]types.DenomPairTakerFee, error) {
	denomPairTakerFeeRecords := strings.Split(arg, ",")

	if len(denomPairTakerFeeRecords)%3 != 0 {
		return nil, fmt.Errorf("denomPairTakerFeeRecords must be a list of denom0, denom1, and takerFee separated by commas")
	}

	finaldenomPairTakerFeeRecordsRecords := []types.DenomPairTakerFee{}
	i := 0
	for i < len(denomPairTakerFeeRecords) {
		denom0 := denomPairTakerFeeRecords[i]
		denom1 := denomPairTakerFeeRecords[i+1]

		takerFeeStr := denomPairTakerFeeRecords[i+2]
		takerFee, err := osmomath.NewDecFromStr(takerFeeStr)
		if err != nil {
			return nil, err
		}

		finaldenomPairTakerFeeRecordsRecords = append(finaldenomPairTakerFeeRecordsRecords, types.DenomPairTakerFee{
			Denom0:   denom0,
			Denom1:   denom1,
			TakerFee: takerFee,
		})

		// increase counter by the next 3
		i = i + 3
	}

	return finaldenomPairTakerFeeRecordsRecords, nil
}