a70f39e145
## Description Closes: #10102 <!-- Add a description of the changes that this PR introduces and the files that are the most critical to review. --> Adds examples for encoding/decoding a transaction using the CLI. Also fixes CLI use and description. --- ### Author Checklist *All items are required. Please add a note to the item if the item is not applicable and please add links to any relevant follow up issues.* I have... - [ ] included the correct `docs:` prefix in the PR title - [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting)) - [ ] provided a link to the relevant issue or specification - [ ] followed the [documentation writing guidelines](https://github.com/cosmos/cosmos-sdk/blob/master/docs/DOC_WRITING_GUIDELINES.md) - [ ] reviewed "Files changed" and left comments if necessary - [ ] confirmed all CI checks have passed ### Reviewers Checklist *All items are required. Please add a note if the item is not applicable and please add your handle next to the items reviewed if you only reviewed selected items.* I have... - [ ] confirmed the correct `docs:` prefix in the PR title - [ ] confirmed all author checklist items have been addressed - [ ] confirmed that this PR only changes documentation - [ ] reviewed content for consistency - [ ] reviewed content for thoroughness - [ ] reviewed content for spelling and grammar - [ ] tested instructions (if applicable)
48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package cli
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import (
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"encoding/base64"
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"github.com/spf13/cobra"
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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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authclient "github.com/cosmos/cosmos-sdk/x/auth/client"
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)
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// GetEncodeCommand returns the encode command to take a JSONified transaction and turn it into
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// Amino-serialized bytes
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func GetEncodeCommand() *cobra.Command {
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cmd := &cobra.Command{
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Use: "encode [file]",
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Short: "Encode transactions generated offline",
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Long: `Encode transactions created with the --generate-only flag and signed with the sign command.
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Read a transaction from <file>, serialize it to the Protobuf wire protocol, and output it as base64.
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If you supply a dash (-) argument in place of an input filename, the command reads from standard input.`,
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Args: cobra.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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clientCtx := client.GetClientContextFromCmd(cmd)
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tx, err := authclient.ReadTxFromFile(clientCtx, args[0])
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if err != nil {
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return err
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}
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// re-encode it
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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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// base64 encode the encoded tx bytes
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txBytesBase64 := base64.StdEncoding.EncodeToString(txBytes)
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return clientCtx.PrintString(txBytesBase64 + "\n")
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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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