Dump

main.go

package main

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

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

func main() {
	// Connect to Ethereum client
	client, err := ethclient.Dial("https://eth-mainnet.g.alchemy.com/v2/[KEY]")
	if err != nil {
		log.Fatalf("Failed to connect to Ethereum client: %v", err)
	}

	transferEventSig := []byte("Transfer(address,address,uint256)")
	hash := crypto.Keccak256(transferEventSig)
	hexHash := hex.EncodeToString(hash)
	prefixedHash := "0x" + hexHash

	transferTopic := common.HexToHash(prefixedHash)
	tokenIdTopic := common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000123")

	fromBlock := big.NewInt(16715088)
	toBlock := big.NewInt(fromBlock.Int64() + 100)

	filterQuery := &ethereum.FilterQuery{
		FromBlock: fromBlock,
		ToBlock:   toBlock,
		Topics:    [][]common.Hash{{transferTopic, tokenIdTopic}},
	}

	// Set up the filter
	logs, err := client.FilterLogs(context.Background(), *filterQuery)
	if err != nil {
		log.Fatalf("Failed to retrieve logs: %v", err)
	}

	// Print the transaction hash and event name for the first 5 logs
	count := 0

	for _, log := range logs {
		fmt.Println(count)
		fmt.Printf("TxHash: %v\n", log.TxHash.Hex())

		link := "https://etherscan.io/tx/" + log.TxHash.Hex() + "\n"
		fmt.Printf(link)

		count++
		if count == 5 {
			break
		}
	}
}