November 2019
Beginner to intermediate
408 pages
9h 29m
Korean
Content preview from 밑바닥부터 시작하는 비트코인
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9
장
블록
239
이러한 세 가지 사항을 만족하는 트랜잭션이 코인베이스 트랜잭션입니다.
연습문제
9.1
Tx
클래스의
is
_
coinbase
메서드를 작성하시오.
9.1.1
해제 스크립트
코인베이스 트랜잭션은 입력에 이전 트랜잭션 출력이 없습니다. 따라서 입력의 해제 스크립트
는 아무 의미가 없습니다. 그럼 해제 스크립트 자리에는 무엇이 있을까요?
코인베이스 트랜잭션의 해제 스크립트는 트랜잭션을 만드는 채굴자가 정합니다. 해제 스크립
트는 최소
2
바이트에서 최대
100
바이트를 넘지 않아야 한다는 것이 주요 제한사항입니다. 이
러한 제한과
BIP0034
(
9
.
1
.
2
절에서 설명 ) 이외에 해제 스크립트는 잠금 스크립트 없이 자체
실행이 유효하기만 하면 됩니다. 다음은 최초 비트코인 블록체인 블록의 코인베이스 트랜잭션
에 있는 해제 스크립트입니다.
4d04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c
6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73
이 해제 스크립트는 사토시가 작성했고 영문을 포함하고 있습니다.
>>> from io import BytesIO
>>> from script import Script ...
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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.