Topic: A full shell script implementation of bitcoin ? - page 3. (Read 14308 times)

#!/bin/bash

. base58.sh

wallet="$HOME/.bitcoin-bash/wallet.dat"

generateNewAddress() {

    privkey="$(openssl ecparam -name secp256k1 -genkey)"

    openssl ec -pubout <<<"$privkey" 2>&- |
    publicKeyToAddress 2>&- |
    if [[ -f "$wallet" ]]
    then
        tee -a "$wallet"  # storing and showing the address
        printf "%s" "$privkey" >> "$wallet"  # storing the private key
    else
        # showing address and private key
        cat
        printf "%s" "$privkey"
    fi

}

#!/bin/bash
# 
# Requires bc, dc, openssl, xxd
#

base58=({1..9} {A..H} {J..N} {P..Z} {a..k} {m..z})
bitcoinregex="^[$(printf "%s" "${base58[@]}")]{34}$"

decodeBase58() {
    s=$1
    for i in {0..57}
    do s="${s//${base58[i]}/ $i}"
    done
    dc <<< "16o0d${s// /+58*}+f" 
}

encodeBase58() {
    # 58 =0x3A
    bc <<<"ibase=16; n=${1^^}; while(n>0) { n%3A ; n/=3A }" |
    tac |
    while read n
    do echo -n ${base58[n]}
    done
}

checksum() {
    xxd -p -r <<<"$1" |
    openssl dgst -sha256 -binary |
    openssl dgst -sha256 -hex |
    sed 's/^.* //' |
    head -c 8
}

checkBitcoinAddress() {
    if [[ "$1" =~ $bitcoinregex ]]
    then
        h=$(decodeBase58 "$1")
        checksum "00${h::${#h}-8}" |
        grep -qi "^${h: -8}$"
    else return 2
    fi
}

hash160() {
    openssl dgst -sha256 -binary |
    openssl dgst -rmd160 -hex |
    sed 's/^.* //'
}

hash160ToAddress() {
    printf %34s "$(encodeBase58 "00$1$(checksum "00$1")")" |
    sed "y/ /1/"
}

publicKeyToAddress() {
    hash160ToAddress $(
    openssl ec -pubin -pubout -outform DER 2>/dev/null |
    tail -c 65 |
    hash160
    )
}

#!/bin/bash
# 
# Requires bc, openssl, xxd
#

base58=({1..9} {A..H} {J..N} {P..Z} {a..k} {m..z})

EncodeBase58() {
    # 58 =0x3A
    bc <<<"ibase=16; n=${1^^}; while(n>0) { n%3A ; n/=3A }" |
    tac |
    while read n
    do echo -n ${base58[n]}
    done
}

Hash160ToAddress() {
    printf %34s $(EncodeBase58 "00$1$(checksum "00$1")")|
    sed "s/ /1/g"
}

checksum() {
    xxd -p -r <<<"$1" |
    openssl dgst -sha256 -binary |
    openssl dgst -sha256 -hex |
    cut -d\  -f2 |
    sed -r "s/^((..){4}).*/\1/"
}

Hash160() {
    openssl dgst -sha256 -binary |
    openssl dgst -rmd160 -hex |
    cut -d\  -f2
}

PubKeyToAdress() { Hash160ToAddress $(tail -c 65 |Hash160) ; }

#!/bin/bash

base58=({1..9} {A..H} {J..N} {P..Z} {a..k} {m..z})

EncodeBase58() {
    # 58 =0x3A
    bc <<<"ibase=16; n=${1^^}; while(n>0) { n%3A ; n/=3A }" |
    tac |
    while read n
    do echo -n ${base58[n]}
    done
}

Hash160ToAddress() {
    ADDRESSVERSION=00
    EncodeBase58 "${ADDRESSVERSION}$1$(Checksum "$1")"
}

Checksum() {
    xxd -p -r <<<"$1" |
    openssl dgst -sha256 -binary |
    openssl dgst -sha256 -hex |
    cut -d\  -f2 |
    sed -r "s/^.*((..){4})/\1/"
}

Hash160() {
    echo -n "$1" |
    openssl dgst -sha256 -binary |
    openssl dgst -rmd160 -hex |
    cut -d\  -f2
}

H=0057b0dc5aac7c215a9a458d6c3c85cd21089af8
Hash160ToAddress $H
# I should get     112p3sLidyEptFEfx3C2RCvFoRPK89HyBT
# I actually get     2p3sLidyEptFEfx3C2RCvFoRPK7JQWdq