Flavio Sousa / Jan 21 2023
Mastering Bitcoin chapter 4 - 04 Address from public key
{:deps {org.clojure/clojure {:mvn/version "1.11.1"}
base58 {:git/url "https://github.com/fjsousa/base58"
:sha "807fba7f9f38175531be81c4f4c4a682fc380433"}
buddy/buddy-core {:mvn/version "1.10.413"}
org.bouncycastle/bcprov-jdk15on {:mvn/version "1.70"}
;; complient is used for autocompletion
;; add your libs here (and restart the runtime to pick up changes)
compliment/compliment {:mvn/version "0.3.9"}}}
Extensible Data Notation
(ns adress-from-public-key
(:require
[buddy.core.hash :as hash]
[buddy.core.codecs :as codecs]
[base58.core :as base58])
(:import java.math.BigInteger
[org.bouncycastle.jce ECNamedCurveTable]))
1.3s
Using public key from previous notebook:
(def public-key
(str
"04"
"F028892BAD7ED57D2FB57BF33081D5CFCF6F9ED3D3D7F159C2E2FFF579DC341A"
"07CF33DA18BD734C600B96A72BBC4749D5141C90EC8AC328AE52DDFE2E505BDB"))
0.1s
Follow this algorithm:
(def public-key-hash
(->>
public-key
codecs/hex->bytes
hash/sha256
hash/ripemd160
codecs/bytes->hex
(str "00")))
0.0s
(def bitcoin-address
(base58/encode (codecs/hex->bytes public-key-hash)))
0.0s
0.0s