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feat: add raw ethereum tx CLI (#712)
Closes #709 fix index Apply suggestions from code review Co-authored-by: Federico Kunze Küllmer <[email protected]> fix lint transaction decoding unit test test BuildTx fix lint changelog
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package cli | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "github.com/cosmos/cosmos-sdk/client" | ||
| "github.com/cosmos/cosmos-sdk/client/flags" | ||
| "github.com/cosmos/cosmos-sdk/client/input" | ||
| "github.com/ethereum/go-ethereum/common/hexutil" | ||
| "github.com/pkg/errors" | ||
| "github.com/spf13/cobra" | ||
|
|
||
| rpctypes "github.com/tharsis/ethermint/rpc/ethereum/types" | ||
| "github.com/tharsis/ethermint/x/evm/types" | ||
| ) | ||
|
|
||
| // GetTxCmd returns the transaction commands for this module | ||
| func GetTxCmd() *cobra.Command { | ||
| cmd := &cobra.Command{ | ||
| Use: types.ModuleName, | ||
| Short: fmt.Sprintf("%s transactions subcommands", types.ModuleName), | ||
| DisableFlagParsing: true, | ||
| SuggestionsMinimumDistance: 2, | ||
| RunE: client.ValidateCmd, | ||
| } | ||
| cmd.AddCommand(NewRawTxCmd()) | ||
| return cmd | ||
| } | ||
|
|
||
| // NewRawTxCmd command build cosmos transaction from raw ethereum transaction | ||
| func NewRawTxCmd() *cobra.Command { | ||
| cmd := &cobra.Command{ | ||
| Use: "raw [tx-hex]", | ||
| Short: "Build cosmos transaction from raw ethereum transaction", | ||
| Args: cobra.ExactArgs(1), | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| data, err := hexutil.Decode(args[0]) | ||
| if err != nil { | ||
| return errors.Wrap(err, "failed to decode ethereum tx hex bytes") | ||
| } | ||
|
|
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| msg := &types.MsgEthereumTx{} | ||
| if err := msg.UnmarshalBinary(data); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if err := msg.ValidateBasic(); err != nil { | ||
| return err | ||
| } | ||
|
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| clientCtx, err := client.GetClientTxContext(cmd) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| rsp, err := rpctypes.NewQueryClient(clientCtx).Params(cmd.Context(), &types.QueryParamsRequest{}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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||
| tx, err := msg.BuildTx(clientCtx.TxConfig.NewTxBuilder(), rsp.Params.EvmDenom) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if clientCtx.GenerateOnly { | ||
| json, err := clientCtx.TxConfig.TxJSONEncoder()(tx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return clientCtx.PrintString(fmt.Sprintf("%s\n", json)) | ||
| } | ||
|
|
||
| if !clientCtx.SkipConfirm { | ||
| out, err := clientCtx.TxConfig.TxJSONEncoder()(tx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| _, _ = fmt.Fprintf(os.Stderr, "%s\n\n", out) | ||
|
|
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| buf := bufio.NewReader(os.Stdin) | ||
| ok, err := input.GetConfirmation("confirm transaction before signing and broadcasting", buf, os.Stderr) | ||
|
|
||
| if err != nil || !ok { | ||
| _, _ = fmt.Fprintf(os.Stderr, "%s\n", "canceled transaction") | ||
| return err | ||
| } | ||
| } | ||
|
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||
| txBytes, err := clientCtx.TxConfig.TxEncoder()(tx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // broadcast to a Tendermint node | ||
| res, err := clientCtx.BroadcastTx(txBytes) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return clientCtx.PrintProto(res) | ||
| }, | ||
| } | ||
|
|
||
| flags.AddTxFlagsToCmd(cmd) | ||
| return cmd | ||
| } |
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