From e96831c2445988150309773fa7fd3b5e61cb88fc Mon Sep 17 00:00:00 2001
From: Aleksandr Bezobchuk <alexanderbez@users.noreply.github.com>
Date: Thu, 11 May 2023 12:59:39 -0400
Subject: [PATCH] feat: Bundle Tx CLI (#129)

---
 x/builder/client/cli/tx.go | 83 ++++++++++++++++++++++++++++++++++++++
 x/builder/module.go        |  4 +-
 x/builder/types/msgs.go    |  8 ++++
 3 files changed, 94 insertions(+), 1 deletion(-)
 create mode 100644 x/builder/client/cli/tx.go

diff --git a/x/builder/client/cli/tx.go b/x/builder/client/cli/tx.go
new file mode 100644
index 0000000..b545d63
--- /dev/null
+++ b/x/builder/client/cli/tx.go
@@ -0,0 +1,83 @@
+package cli
+
+import (
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"strings"
+
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/client/tx"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/skip-mev/pob/x/builder/types"
+	"github.com/spf13/cobra"
+)
+
+// NewTxCmd returns a root CLI command handler for all x/builder transaction
+// commands.
+func NewTxCmd() *cobra.Command {
+	txCmd := &cobra.Command{
+		Use:                        types.ModuleName,
+		Short:                      "Builder transaction subcommands",
+		DisableFlagParsing:         true,
+		SuggestionsMinimumDistance: 2,
+		RunE:                       client.ValidateCmd,
+	}
+
+	txCmd.AddCommand(
+		NewAuctionBidTx(),
+	)
+
+	return txCmd
+}
+
+func NewAuctionBidTx() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "auction-bid [bidder] [bid] [bundled_tx1,bundled_tx2,...,bundled_txN]",
+		Short: "Create an auction bid transaction with signed bundled transactions",
+		Long: `Create an auction bid transaction with a list of signed bundled transactions,
+where each transaction is a hex-encoded string of a signed transaction.
+`,
+		Args:    cobra.ExactArgs(3),
+		Example: "auction-bid cosmos1... 10000uatom 0xFF...,0xCC...,0xAA...",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			cmd.Flags().Set(flags.FlagFrom, args[0])
+
+			clientCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			bid, err := sdk.ParseCoinNormalized(args[1])
+			if err != nil {
+				return err
+			}
+
+			// ensure timeout is non-zero
+			timeoutHeight, _ := cmd.Flags().GetUint64(flags.FlagTimeoutHeight)
+			if timeoutHeight == 0 {
+				return errors.New("timeout height must be greater than 0")
+			}
+
+			tokens := strings.Split(args[2], ",")
+			bundledTxs := make([][]byte, len(tokens))
+			for i, token := range tokens {
+				rawTx, err := hex.DecodeString(token)
+				if err != nil {
+					return fmt.Errorf("failed to HEX decode bundled transaction %d: %w", i, err)
+				}
+
+				bundledTxs[i] = rawTx
+			}
+
+			msg := types.NewMsgAuctionBid(clientCtx.GetFromAddress(), bid, bundledTxs)
+
+			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
+		},
+	}
+
+	flags.AddTxFlagsToCmd(cmd)
+
+	return cmd
+}
diff --git a/x/builder/module.go b/x/builder/module.go
index 27d7490..c7b9e02 100644
--- a/x/builder/module.go
+++ b/x/builder/module.go
@@ -76,7 +76,9 @@ func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *r
 }
 
 // GetTxCmd returns the root tx command for the builder module.
-func (AppModuleBasic) GetTxCmd() *cobra.Command { return nil }
+func (AppModuleBasic) GetTxCmd() *cobra.Command {
+	return cli.NewTxCmd()
+}
 
 // GetQueryCmd returns the root query command for the builder module.
 func (AppModuleBasic) GetQueryCmd() *cobra.Command {
diff --git a/x/builder/types/msgs.go b/x/builder/types/msgs.go
index 10e5a74..3209ce1 100644
--- a/x/builder/types/msgs.go
+++ b/x/builder/types/msgs.go
@@ -33,6 +33,14 @@ func (m MsgUpdateParams) ValidateBasic() error {
 	return m.Params.Validate()
 }
 
+func NewMsgAuctionBid(bidder sdk.AccAddress, bid sdk.Coin, transactions [][]byte) *MsgAuctionBid {
+	return &MsgAuctionBid{
+		Bidder:       bidder.String(),
+		Bid:          bid,
+		Transactions: transactions,
+	}
+}
+
 // GetSignBytes implements the LegacyMsg interface.
 func (m MsgAuctionBid) GetSignBytes() []byte {
 	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))