November 2019
Beginner to intermediate
408 pages
9h 29m
Korean
Content preview from 밑바닥부터 시작하는 비트코인
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
밑바닥부터 시작하는 비트코인
240
9.1.2
BIP0034
제안서
BIP0034
는 코인베이스 트랜잭션의 해제 스크립트의 첫 번째 원소를 규정하고 있습니다. 이것
은 서로 다른 블록임에도 동일한 코인베이스 트랜잭션
ID
를 갖는 문제를 해결하고자 제안됐습
니다.
바이트 단위로 똑같은 코인베이스 트랜잭션은 그 트랜잭션
ID
역시 동일합니다. 왜냐하면 그
값은 트랜잭션
hash256
해시값이고,
hash256
해시함수의 출력은 입력이 같으면 똑같기 때
문입니다. 트랜잭션
ID
의 중복을 방지하기 위해서 개빈 안드레센
Gavin
Andresen
은
BIP0034
를 제
안했습니다. 이는 채굴하고 있는 블록의 높이를 코인베이스 해제 스크립트의 첫 원소로 한다는
소프트포크
soft
-
fork
규정입니다.
1
높이는 리틀엔디언 정수로 표현하며 블록 높이 (즉, 최초
0
번 블록 이후의 블록 번호 )와 같아야
합니다. 따라서 서로 다른 코인베이스 트랜잭션은 소속된 블록마다 높이가 다르기 때문에 바이
트 단위로 똑같을 수 없습니다. [그림
9
-
1
]에서의 코인 베이스 트랜잭션의 높이를 파싱하는 방
법은 다음과 같습니다.
>>> from io import BytesIO
>>> from script import Script
>>> from helper import little_endian_to_int ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.