cosmos_bytes_to_public_key.go

package main

import (
    btcsecp256k1 "github.com/btcsuite/btcd/btcec"
    "github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
    cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
)

func BytesToPublicKey(bytes []byte) (cryptotypes.PubKey, error) {
	pk, err := btcsecp256k1.ParsePubKey(bytes, btcsecp256k1.S256())
	if err != nil {
		return nil, err
	}
	return &secp256k1.PubKey{Key: pk.SerializeCompressed()}, nil
}