Reading Smart Contract Bytecode

read-contract-bytecode.md

package main

import (
    "context"
    "encoding/hex"
    "fmt"
    "log"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/ethclient"
)

func main() {
    client, err := ethclient.Dial("https://rinkeby.infura.io")
    if err != nil {
        log.Fatal(err)
    }

    contractAddress := common.HexToAddress("0x147B8eb97fD247D06C4006D269c90C1908Fb5D54")
    bytecode, err := client.CodeAt(context.Background(), contractAddress, nil) // nil is latest block
    if err != nil {
        log.Fatal(err)
    }

    fmt.Println(hex.EncodeToString(bytecode)) // 60806...10029
}