November 2019
Beginner to intermediate
408 pages
9h 29m
Korean
Content preview from 밑바닥부터 시작하는 비트코인
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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.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
378
연습문제
7.4
사용할
UTXO
1
개를 사용해서 그 액면가
60%
를 주소
mwJn1YPMq7y5F8J3LkC5Hxg9PHyZ5K4c
Fv
로 보내는 테스트넷 트랜잭션을 생성하시오. 수수료를 뺀 나머지 금액은 다시 여러분의 주소
로 보내야 한다 (즉
1
개의 입력과
2
개의 출력을 가진 트랜잭션 ).
https
://
live
.
blockcypher
.
com
/
btc
/
pushtx
에서 직렬화하고
16
진수로 출력한 트랜잭션
을 실제 테스트넷으로 보낼 수 있다.
1
사이트에서 ‘
Network
’ 항목을 ‘
Bitcoin
Testnet
’으로 설
정하는 것에 주의하라.
>>> from ecc import PrivateKey
>>> from helper import decode_base58, SIGHASH_ALL
>>> from script import p2pkh_script, Script
>>> from tx import TxIn, TxOut, Tx
>>> prev_tx = bytes.fromhex('75a1c4bc671f55f626dda1074c7725991e6f68b8fcefcfca7\
b64405ca3b45f1c')
>>> prev_index = 1
>>> target_address = 'miKegze5FQNCnGw6PKyqUbYUeBa4x2hFeM'
>>>
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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.