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밑바닥부터 시작하는 비트코인
book

밑바닥부터 시작하는 비트코인

by 류정필, 송재준
November 2019
Beginner to intermediate
408 pages
9h 29m
Korean
Hanbit Media, Inc.
Content preview from 밑바닥부터 시작하는 비트코인
6
장
스크립트
167
OP_PUSHDATA
4
로표현할수도있습니다.그러나그런스크립트를가지는트랜잭션은비표준으로간주됩
니다.이럴경우대부분의비트코인노드(특히,비트코인코어소프트웨어로운영되는노드)는그런트랜잭
션을전파하지않습니다.
지면상 여기에 언급하지 못한 많은 연산자가 있습니다. 이 책의 라이브러리 파일 중
op
.
py
에
서 이를 볼 수 있습니다. 비트코인에 정의된 전체 연산자는
https
://
en
.
bitcoin
.
it
/
wiki
/
Script
에서 확인할 수 있습니다.
6.4.1
파싱 및 직렬화 함수 코딩하기
이제 스크립트의 동작 원리를 이해했으니 파싱 함수를 작성할 수 있습니다.
class Script:
def __init__(self, cmds=None):
if cmds is None:
self.cmds = []
else:
self.cmds = cmds
➊
...
@classmethod
def parse(cls, s):
length = read_varint(s)
➋
cmds = []
count = 0
while count < length:
➌
current = s.read(1)
➍
count += 1
current_byte = current[0]
➎
if current_byte >= 1 and current_byte <= 75:
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Publisher Resources

ISBN: 9791162248294