November 2019
Beginner to intermediate
408 pages
9h 29m
Korean
Content preview from 밑바닥부터 시작하는 비트코인
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밑바닥부터 시작하는 비트코인
138
연습문제
4.8
[연습문제
4
.
7
]의 역과정으로 정수를 매개변수로 받아 리틀엔디언으로
bytes
형 값을 반환하는
int
_
to
_
little
_
endian
함수를 작성하시오.
연습문제
4.9
여러분만이 아는 긴 비밀키로 테스트넷 주소를 만드시오. 쉬운 비밀키로 만든 주소는 테스트넷
을 떠도는 봇
bot
이 이 주소 안의 코인을 가로챌 수 있으므로 주의하라(나중에 트랜잭션 서명에
사용할 것이니 비밀키는 잃어버리지 않도록 어딘가 반드시 적어둘 것). 코인은 테스트넷용 코
인을 발행하는 사이트에서 구할 수 있다.
3
사이트에서 코인을 받을 주소로 마지막 연습문제에서 생성한 주소를 입력하면 됩니다(주소는
m
,
n
으로 시작하며 그렇지 않은 경우 잘못된 주소로 인식). 코인 입수에 성공했다면 축하합니
다. 이제 여러분은 테스트넷 코인으로 재미있는 실습을 할 수 있습니다.
4.6
마치며
이번 장에서는
3
장에서 만든 많은 구조체를 직렬화하는 방법을 배웠습니다. 이제 파싱과 트랜
잭션을 이해할 차례입니다.
3
테스트넷용 코인은 몇몇 사이트에서 무료로 얻을 수 있다. 이러한 사이트를 테스트넷 수도꼭지(
faucet
)라고 하며
testnet
faucet
으로
검색하면 찾을 수 있다.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.