127 lines
3.4 KiB
Go
127 lines
3.4 KiB
Go
// Copyright 2021 Evmos Foundation
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// This file is part of Evmos' Ethermint library.
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//
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// The Ethermint library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The Ethermint library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the Ethermint library. If not, see https://github.com/evmos/ethermint/blob/main/LICENSE
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package cli
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import (
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"bufio"
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"fmt"
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"os"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/client/flags"
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"github.com/cosmos/cosmos-sdk/client/input"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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rpctypes "github.com/evmos/ethermint/rpc/types"
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"github.com/evmos/ethermint/x/evm/types"
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)
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// GetTxCmd returns the transaction commands for this module
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func GetTxCmd() *cobra.Command {
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cmd := &cobra.Command{
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Use: types.ModuleName,
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Short: fmt.Sprintf("%s transactions subcommands", types.ModuleName),
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DisableFlagParsing: true,
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SuggestionsMinimumDistance: 2,
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RunE: client.ValidateCmd,
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}
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cmd.AddCommand(NewRawTxCmd())
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return cmd
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}
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// NewRawTxCmd command build cosmos transaction from raw ethereum transaction
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func NewRawTxCmd() *cobra.Command {
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cmd := &cobra.Command{
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Use: "raw TX_HEX",
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Short: "Build cosmos transaction from raw ethereum transaction",
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Args: cobra.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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data, err := hexutil.Decode(args[0])
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if err != nil {
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return errors.Wrap(err, "failed to decode ethereum tx hex bytes")
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}
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msg := &types.MsgEthereumTx{}
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if err := msg.UnmarshalBinary(data); err != nil {
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return err
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}
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if err := msg.ValidateBasic(); err != nil {
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return err
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}
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clientCtx, err := client.GetClientTxContext(cmd)
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if err != nil {
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return err
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}
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rsp, err := rpctypes.NewQueryClient(clientCtx).Params(cmd.Context(), &types.QueryParamsRequest{})
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if err != nil {
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return err
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}
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tx, err := msg.BuildTx(clientCtx.TxConfig.NewTxBuilder(), rsp.Params.EvmDenom)
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if err != nil {
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return err
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}
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if clientCtx.GenerateOnly {
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json, err := clientCtx.TxConfig.TxJSONEncoder()(tx)
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if err != nil {
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return err
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}
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return clientCtx.PrintString(fmt.Sprintf("%s\n", json))
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}
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if !clientCtx.SkipConfirm {
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out, err := clientCtx.TxConfig.TxJSONEncoder()(tx)
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if err != nil {
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return err
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}
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_, _ = fmt.Fprintf(os.Stderr, "%s\n\n", out)
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buf := bufio.NewReader(os.Stdin)
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ok, err := input.GetConfirmation("confirm transaction before signing and broadcasting", buf, os.Stderr)
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if err != nil || !ok {
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_, _ = fmt.Fprintf(os.Stderr, "%s\n", "canceled transaction")
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return err
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}
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}
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txBytes, err := clientCtx.TxConfig.TxEncoder()(tx)
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if err != nil {
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return err
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}
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// broadcast to a Tendermint node
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res, err := clientCtx.BroadcastTx(txBytes)
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if err != nil {
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return err
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}
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return clientCtx.PrintProto(res)
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},
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}
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flags.AddTxFlagsToCmd(cmd)
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return cmd
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}
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