November 2019
Beginner to intermediate
408 pages
9h 29m
Korean
Content preview from 밑바닥부터 시작하는 비트코인
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밑바닥부터 시작하는 비트코인
170
(
ScriptSig
)는 서로 다른 트랜잭션에 있습니다. 금고는 비트코인을 받았던 트랜잭션에 있고
열쇠는 비트코인을 소비하는 트랜잭션에 있습니다. 코인을 소비하는 트랜잭션의 입력은 수신
했던 트랜잭션을 가리킵니다. 정리하면 [그림
6
-
6
]과 같은 상황입니다.
3
그림
6-6
스크립트의 결합 스크립트
해제 스크립트는 잠금 스크립트로 잠긴 코인을 해제하기 때문에
2
개의 스크립트를 하나로 만
드는 방안이 필요합니다. 이 둘을 하나로 실행하기 위해 해제 스크립트와 잠금 스크립트의
명령어를 [그림
6
-
6
]처럼 결합합니다. 해제 스크립트 (
ScriptSig
) 명령어는 잠금 스크립트
(
ScriptPubKey
) 명령어 위에 위치하게 됩니다. 명령어는 모두 남아 있지 않을 때까지 (또는
스크립트 실행이 실패할 때까지 ) 한 번에 하나씩 위에서부터 처리됩니다.
6.5.1
결합 스크립트 코딩하기
잠금/해제 스크립트의 명령어를 모아 하나의 스크립트로 만들고 명령어를 실행합니다. 이를 위
해 먼저 두 스크립트를 다음과 같이 결합합니다.
class Script:
...
def __add__(self, other):
return Script(self.cmds + other.cmds)
➊
➊ 두 스크립트의 명령어를 합하여 스크립트 객체를 생성합니다.
3
입력은 ...
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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.