package eth

import (
	"context"
	"fmt"

	"math/big"

	"github.com/ethereum/go-ethereum/core/types"
	"github.com/ethereum/go-ethereum/ethclient"
)

func EthLastBlock() (uint64, error) {
	client, err := ethclient.Dial(ethNode.rpcNode)
	if err != nil {
		return 0, err
	}
	last_eth_block, err := client.BlockNumber(context.Background())
	if err != nil {
		return 0, err
	}
	return last_eth_block, nil
}

func EthBlockByNumber(blockNumber uint64) (*types.Block, error) {
	client, err := ethclient.Dial(ethNode.rpcNode)
	if err != nil {
		return nil, err
	}
	_blockNumber := big.NewInt(int64(blockNumber))
	fmt.Println("Block fetch: ", _blockNumber)
	block, err := client.BlockByNumber(context.Background(), _blockNumber)
	if err != nil {
		return nil, err
	}
	return block, nil
}