feat: add bls verification #239
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| package keys | ||
|
|
||
| import ( | ||
| "encoding/hex" | ||
| "errors" | ||
|
|
||
| "github.com/cometbft/cometbft/crypto/tmhash" | ||
| "github.com/spf13/cobra" | ||
|
|
||
| "github.com/cosmos/cosmos-sdk/client" | ||
| "github.com/cosmos/cosmos-sdk/client/flags" | ||
| ) | ||
|
|
||
| // SignMsgKeysCmd returns the Cobra Command for signing messages with the private key of a given name. | ||
| func SignMsgKeysCmd() *cobra.Command { | ||
| cmd := &cobra.Command{ | ||
| Use: "sign [message]", | ||
| Short: "Sign message", | ||
| Long: "Return a signature from their associated name and address private key.", | ||
| RunE: runSignMsgCmd, | ||
| } | ||
|
|
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| cmd.Flags().String(flags.FlagFrom, "", "Name or address of private key with which to sign") | ||
| return cmd | ||
| } | ||
|
|
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| func runSignMsgCmd(cmd *cobra.Command, args []string) error { | ||
| if len(args) != 1 { | ||
| return errors.New("invalid number of arguments") | ||
| } | ||
|
|
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| clientCtx, err := client.GetClientTxContext(cmd) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| _, name, _, err := client.GetFromFields(clientCtx, clientCtx.Keyring, clientCtx.From) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| msg, err := hex.DecodeString(args[0]) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| sig, _, err := clientCtx.Keyring.Sign(name, tmhash.Sum(msg)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| cmd.Println(hex.EncodeToString(sig)) | ||
| return nil | ||
| } | ||
|
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| // VerifySignatureCmd returns the Cobra Command for verifying signatures with a given public key and message. | ||
| func VerifySignatureCmd() *cobra.Command { | ||
| cmd := &cobra.Command{ | ||
| Use: "verify [message] [signature]", | ||
| Short: "Verify signature", | ||
| Long: "Verify signature with public key and message", | ||
| RunE: runVerifySignatureCmd, | ||
| } | ||
|
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| cmd.Flags().String(flags.FlagFrom, "", "Name or address of private key with which to sign") | ||
| return cmd | ||
| } | ||
|
|
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| func runVerifySignatureCmd(cmd *cobra.Command, args []string) error { | ||
| if len(args) != 2 { | ||
| return errors.New("invalid number of arguments") | ||
| } | ||
|
|
||
| clientCtx, err := client.GetClientTxContext(cmd) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| _, name, _, err := client.GetFromFields(clientCtx, clientCtx.Keyring, clientCtx.From) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| record, err := clientCtx.Keyring.Key(name) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| priv, err := record.ExtractPrivKey() | ||
| if err != nil { | ||
| return nil | ||
| } | ||
|
|
||
| msg, err := hex.DecodeString(args[0]) | ||
| if err != nil { | ||
| return nil | ||
| } | ||
| signature, err := hex.DecodeString(args[1]) | ||
| if err != nil { | ||
| return nil | ||
| } | ||
| if priv.PubKey().VerifySignature(tmhash.Sum(msg), signature) { | ||
| cmd.Println("Signature verify successfully") | ||
| } else { | ||
| cmd.Println("Signature verify failed") | ||
| } | ||
| return nil | ||
| } | ||
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This is a dangerous action, please note user to take care.
And give an example, it can be used to do
possesion of proof..There was a problem hiding this comment.
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fixed