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GenesisH0

A python script for creating the parameters required for a unique genesis block. SHA256/scrypt/X11/X13/X15.

Dependencies

sudo pip install scrypt construct==2.5.2

To create geneses based on X11 algorithm you will also need to install the xcoin-hash module. For X13 you will need the x13_hash module and for X15 the x15_hash module.

Examples

Create the original genesis hash found in Bitcoin

python genesis.py -z "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks" -n 2083236893 -t 1231006505

Output:

algorithm: sha256
merkle hash: 4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b
pszTimestamp: The Times 03/Jan/2009 Chancellor on brink of second bailout for banks
pubkey: 04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f
time: 1231006505
bits: 0x1d00ffff
Searching for genesis hash..
genesis hash found!
nonce: 2083236893
genesis hash: 000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f

Create the regtest genesis hash found in Bitcoin

python genesis.py -z "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks" -n 2 -t 1296688602 -b 0x207fffff

Create the original genesis hash found in Litecoin

python genesis.py -a scrypt -z "NY Times 05/Oct/2011 Steve Jobs, Apple’s Visionary, Dies at 56" -p "040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9" -t 1317972665 -n 2084524493

Create a unique genesis hash with custom pszTimestamp

python genesis.py -a scrypt -z "Time flies like an arrow. Fruit flies like a banana."

Create the original genesis hash found in DarkCoin. (requires xcoin-hash)

python genesis.py -a X11 -z "Wired 09/Jan/2014 The Grand Experiment Goes Live: Overstock.com Is Now Accepting Bitcoins" -t 1317972665 -p "040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9" -n 28917698 -t 1390095618 -v 5000000000

Create the original genesis hash found in HiroCoin (requires xcoin-hash).

python genesis.py -a X11 -z "JapanToday 13/Mar/2014 Ways eyed to make planes easier to find in ocean" -p "040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9" -n 1234746574 -t 1394723131 -v 40000000000

Options

Usage: genesis.py [options]

Options:
  -h, --help show this help message and exit
  -t TIME, --time=TIME  the (unix) time when the genesisblock is created
  -z TIMESTAMP, --timestamp=TIMESTAMP
     the pszTimestamp found in the coinbase of the genesisblock
  -n NONCE, --nonce=NONCE
     the first value of the nonce that will be incremented
     when searching the genesis hash
  -a ALGORITHM, --algorithm=ALGORITHM
     the PoW algorithm: [SHA256|scrypt|X11|X13|X15]
  -p PUBKEY, --pubkey=PUBKEY
     the pubkey found in the output script
  -v VALUE, --value=VALUE
     the value in coins for the output, full value (exp. in bitcoin 5000000000 - To get other coins value: Block Value * 100000000)
  -b BITS, --bits=BITS
     the target in compact representation, associated to a difficulty of 1