2019-05-16 08:25:32 -07:00
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package cli
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2019-02-08 13:45:41 -08:00
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2018-10-19 11:00:27 -07:00
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import (
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"bufio"
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"bytes"
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2019-05-16 08:25:32 -07:00
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"encoding/json"
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"fmt"
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2018-11-26 03:50:33 -08:00
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"io"
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2018-11-19 09:02:34 -08:00
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"io/ioutil"
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"os"
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"path/filepath"
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2019-08-30 06:59:41 -07:00
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"github.com/pkg/errors"
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2018-11-21 15:44:13 -08:00
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"github.com/spf13/cobra"
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tmos "github.com/tendermint/tendermint/libs/os"
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tmtypes "github.com/tendermint/tendermint/types"
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2018-12-10 06:27:25 -08:00
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2020-06-01 05:46:03 -07:00
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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/tx"
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"github.com/cosmos/cosmos-sdk/crypto/keyring"
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"github.com/cosmos/cosmos-sdk/server"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/module"
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"github.com/cosmos/cosmos-sdk/version"
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authclient "github.com/cosmos/cosmos-sdk/x/auth/client"
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"github.com/cosmos/cosmos-sdk/x/genutil"
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"github.com/cosmos/cosmos-sdk/x/genutil/types"
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"github.com/cosmos/cosmos-sdk/x/staking/client/cli"
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)
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2019-05-18 01:42:24 -07:00
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// GenTxCmd builds the application's gentx command.
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func GenTxCmd(mbm module.BasicManager, txEncCfg client.TxEncodingConfig, genBalIterator types.GenesisBalancesIterator, defaultNodeHome string) *cobra.Command {
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ipDefault, _ := server.ExternalIP()
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fsCreateValidator, defaultsDesc := cli.CreateValidatorMsgFlagSet(ipDefault)
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cmd := &cobra.Command{
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Use: "gentx [key_name] [amount]",
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Short: "Generate a genesis tx carrying a self delegation",
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Args: cobra.ExactArgs(2),
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Long: fmt.Sprintf(`Generate a genesis transaction that creates a validator with a self-delegation,
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that is signed by the key in the Keyring referenced by a given name. A node ID and Bech32 consensus
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pubkey may optionally be provided. If they are omitted, they will be retrieved from the priv_validator.json
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file. The following default parameters are included:
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%s
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Example:
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$ %s gentx my-key-name 1000000stake --home=/path/to/home/dir --keyring-backend=os --chain-id=test-chain-1 \
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--moniker="myvalidator" \
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--commission-max-change-rate=0.01 \
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--commission-max-rate=1.0 \
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--commission-rate=0.07 \
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--details="..." \
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--security-contact="..." \
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--website="..."
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`, defaultsDesc, version.AppName,
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),
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RunE: func(cmd *cobra.Command, args []string) error {
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serverCtx := server.GetServerContextFromCmd(cmd)
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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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cdc := clientCtx.Codec
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config := serverCtx.Config
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config.SetRoot(clientCtx.HomeDir)
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nodeID, valPubKey, err := genutil.InitializeNodeValidatorFiles(serverCtx.Config)
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if err != nil {
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return errors.Wrap(err, "failed to initialize node validator files")
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}
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2019-02-01 17:03:57 -08:00
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2020-07-08 10:57:45 -07:00
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// read --nodeID, if empty take it from priv_validator.json
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if nodeIDString, _ := cmd.Flags().GetString(cli.FlagNodeID); nodeIDString != "" {
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nodeID = nodeIDString
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}
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2020-07-08 10:57:45 -07:00
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// read --pubkey, if empty take it from priv_validator.json
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if val, _ := cmd.Flags().GetString(cli.FlagPubKey); val != "" {
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err = clientCtx.Codec.UnmarshalJSON([]byte(val), valPubKey)
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if err != nil {
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return errors.Wrap(err, "failed to unmarshal consensus node public key")
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}
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}
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2018-12-04 01:57:44 -08:00
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2019-04-08 10:54:45 -07:00
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genDoc, err := tmtypes.GenesisDocFromFile(config.GenesisFile())
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if err != nil {
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return errors.Wrapf(err, "failed to read genesis doc file %s", config.GenesisFile())
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}
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var genesisState map[string]json.RawMessage
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if err = json.Unmarshal(genDoc.AppState, &genesisState); err != nil {
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return errors.Wrap(err, "failed to unmarshal genesis state")
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}
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2020-07-25 01:10:04 -07:00
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if err = mbm.ValidateGenesis(cdc, txEncCfg, genesisState); err != nil {
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return errors.Wrap(err, "failed to validate genesis state")
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}
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2019-11-14 06:17:21 -08:00
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inBuf := bufio.NewReader(cmd.InOrStdin())
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name := args[0]
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key, err := clientCtx.Keyring.Key(name)
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if err != nil {
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return errors.Wrapf(err, "failed to fetch '%s' from the keyring", name)
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}
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moniker := config.Moniker
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if m, _ := cmd.Flags().GetString(cli.FlagMoniker); m != "" {
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moniker = m
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}
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2020-07-08 10:57:45 -07:00
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// set flags for creating a gentx
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createValCfg, err := cli.PrepareConfigForTxCreateValidator(cmd.Flags(), moniker, nodeID, genDoc.ChainID, valPubKey)
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if err != nil {
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return errors.Wrap(err, "error creating configuration to create validator msg")
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}
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amount := args[1]
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coins, err := sdk.ParseCoinsNormalized(amount)
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if err != nil {
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return errors.Wrap(err, "failed to parse coins")
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}
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2020-01-30 13:31:16 -08:00
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err = genutil.ValidateAccountInGenesis(genesisState, genBalIterator, key.GetAddress(), coins, cdc)
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if err != nil {
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return errors.Wrap(err, "failed to validate account in genesis")
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2018-12-04 01:57:44 -08:00
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}
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2020-07-29 15:33:42 -07:00
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txFactory := tx.NewFactoryCLI(clientCtx, cmd.Flags())
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2020-07-06 14:48:54 -07:00
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if err != nil {
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return errors.Wrap(err, "error creating tx builder")
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}
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2020-07-07 08:40:46 -07:00
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2020-07-08 10:57:45 -07:00
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clientCtx = clientCtx.WithInput(inBuf).WithFromAddress(key.GetAddress())
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2019-03-25 08:27:24 -07:00
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2021-01-05 07:08:56 -08:00
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// The following line comes from a discrepancy between the `gentx`
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// and `create-validator` commands:
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// - `gentx` expects amount as an arg,
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// - `create-validator` expects amount as a required flag.
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// ref: https://github.com/cosmos/cosmos-sdk/issues/8251
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// Since gentx doesn't set the amount flag (which `create-validator`
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// reads from), we copy the amount arg into the valCfg directly.
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//
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// Ideally, the `create-validator` command should take a validator
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// config file instead of so many flags.
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// ref: https://github.com/cosmos/cosmos-sdk/issues/8177
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createValCfg.Amount = amount
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// create a 'create-validator' message
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txBldr, msg, err := cli.BuildCreateValidatorMsg(clientCtx, createValCfg, txFactory, true)
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2018-11-21 15:44:13 -08:00
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if err != nil {
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2019-08-30 06:59:41 -07:00
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return errors.Wrap(err, "failed to build create-validator message")
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2018-11-21 15:44:13 -08:00
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}
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2018-10-19 11:00:27 -07:00
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2020-03-25 08:20:36 -07:00
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if key.GetType() == keyring.TypeOffline || key.GetType() == keyring.TypeMulti {
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2020-04-22 13:20:16 -07:00
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cmd.PrintErrln("Offline key passed in. Use `tx sign` command to sign.")
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2021-06-28 04:42:08 -07:00
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return txBldr.PrintUnsignedTx(clientCtx, msg)
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2019-02-27 10:31:11 -08:00
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}
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2018-11-26 03:50:33 -08:00
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// write the unsigned transaction to the buffer
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w := bytes.NewBuffer([]byte{})
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2020-06-01 05:46:03 -07:00
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clientCtx = clientCtx.WithOutput(w)
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2019-02-27 10:31:11 -08:00
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2021-06-28 04:42:08 -07:00
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if err = txBldr.PrintUnsignedTx(clientCtx, msg); err != nil {
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2019-08-30 06:59:41 -07:00
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return errors.Wrap(err, "failed to print unsigned std tx")
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2018-10-19 11:00:27 -07:00
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}
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2018-11-21 15:44:13 -08:00
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2018-11-26 03:50:33 -08:00
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// read the transaction
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stdTx, err := readUnsignedGenTxFile(clientCtx, w)
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2018-11-26 03:50:33 -08:00
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if err != nil {
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2019-08-30 06:59:41 -07:00
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return errors.Wrap(err, "failed to read unsigned gen tx file")
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2018-10-19 11:00:27 -07:00
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}
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2018-11-26 03:50:33 -08:00
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// sign the transaction and write it to the output file
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2020-08-03 23:41:58 -07:00
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txBuilder, err := clientCtx.TxConfig.WrapTxBuilder(stdTx)
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if err != nil {
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return fmt.Errorf("error creating tx builder: %w", err)
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}
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2020-12-14 13:44:15 -08:00
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err = authclient.SignTx(txFactory, clientCtx, name, txBuilder, true, true)
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2018-11-26 03:50:33 -08:00
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if err != nil {
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2019-08-30 06:59:41 -07:00
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return errors.Wrap(err, "failed to sign std tx")
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2018-11-26 03:50:33 -08:00
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}
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2018-11-21 15:44:13 -08:00
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2020-07-06 14:48:54 -07:00
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outputDocument, _ := cmd.Flags().GetString(flags.FlagOutputDocument)
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2018-12-06 03:03:58 -08:00
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if outputDocument == "" {
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outputDocument, err = makeOutputFilepath(config.RootDir, nodeID)
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if err != nil {
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2019-08-30 06:59:41 -07:00
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return errors.Wrap(err, "failed to create output file path")
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2018-12-06 03:03:58 -08:00
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}
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2018-10-19 11:00:27 -07:00
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}
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2018-12-04 01:57:44 -08:00
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2020-08-03 23:41:58 -07:00
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if err := writeSignedGenTx(clientCtx, outputDocument, stdTx); err != nil {
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2019-08-30 06:59:41 -07:00
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return errors.Wrap(err, "failed to write signed gen tx")
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2018-11-26 03:50:33 -08:00
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}
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2018-12-04 01:57:44 -08:00
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2020-04-22 13:20:16 -07:00
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cmd.PrintErrf("Genesis transaction written to %q\n", outputDocument)
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2018-11-26 03:50:33 -08:00
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return nil
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2018-10-19 11:00:27 -07:00
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},
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}
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2020-07-17 07:20:31 -07:00
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cmd.Flags().String(flags.FlagHome, defaultNodeHome, "The application home directory")
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2020-07-08 10:57:45 -07:00
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cmd.Flags().String(flags.FlagOutputDocument, "", "Write the genesis transaction JSON document to the given file instead of the default location")
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cmd.Flags().String(flags.FlagChainID, "", "The network chain ID")
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2019-05-28 01:44:04 -07:00
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cmd.Flags().AddFlagSet(fsCreateValidator)
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2020-07-11 01:13:46 -07:00
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flags.AddTxFlagsToCmd(cmd)
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2019-05-28 01:44:04 -07:00
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2018-10-19 11:00:27 -07:00
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return cmd
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}
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2019-05-16 08:25:32 -07:00
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func makeOutputFilepath(rootDir, nodeID string) (string, error) {
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writePath := filepath.Join(rootDir, "config", "gentx")
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2020-01-16 13:46:51 -08:00
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if err := tmos.EnsureDir(writePath, 0700); err != nil {
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2019-05-16 08:25:32 -07:00
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return "", err
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2018-12-04 01:57:44 -08:00
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}
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2020-05-02 12:26:59 -07:00
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2019-05-16 08:25:32 -07:00
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return filepath.Join(writePath, fmt.Sprintf("gentx-%v.json", nodeID)), nil
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}
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2018-12-04 01:57:44 -08:00
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2020-08-03 23:41:58 -07:00
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func readUnsignedGenTxFile(clientCtx client.Context, r io.Reader) (sdk.Tx, error) {
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bz, err := ioutil.ReadAll(r)
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if err != nil {
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return nil, err
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}
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2020-05-02 12:26:59 -07:00
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2020-08-03 23:41:58 -07:00
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aTx, err := clientCtx.TxConfig.TxJSONDecoder()(bz)
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2020-05-08 01:46:12 -07:00
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if err != nil {
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2020-08-03 23:41:58 -07:00
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return nil, err
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2018-12-04 01:57:44 -08:00
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}
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2020-05-02 12:26:59 -07:00
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2020-08-03 23:41:58 -07:00
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return aTx, err
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2019-05-16 08:25:32 -07:00
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}
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2018-12-04 01:57:44 -08:00
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2020-08-03 23:41:58 -07:00
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func writeSignedGenTx(clientCtx client.Context, outputDocument string, tx sdk.Tx) error {
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2019-05-16 08:25:32 -07:00
|
|
|
outputFile, err := os.OpenFile(outputDocument, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0644)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
2019-06-26 13:30:36 -07:00
|
|
|
defer outputFile.Close()
|
2020-05-02 12:26:59 -07:00
|
|
|
|
2020-08-03 23:41:58 -07:00
|
|
|
json, err := clientCtx.TxConfig.TxJSONEncoder()(tx)
|
2020-05-08 01:46:12 -07:00
|
|
|
if err != nil {
|
2019-05-16 08:25:32 -07:00
|
|
|
return err
|
|
|
|
}
|
2020-05-02 12:26:59 -07:00
|
|
|
|
2019-05-16 08:25:32 -07:00
|
|
|
_, err = fmt.Fprintf(outputFile, "%s\n", json)
|
2020-05-02 12:26:59 -07:00
|
|
|
|
2019-05-16 08:25:32 -07:00
|
|
|
return err
|
2018-12-04 01:57:44 -08:00
|
|
|
}
|