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blockshell
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Daxeel Soni 2018-01-26 10:33:46 +05:30 committed by GitHub
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1 changed files with 48 additions and 9 deletions
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bls.py
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@ -1,11 +1,25 @@
# -*- coding: utf-8 -*-
# import modules
# ==================================================
# ==================== META DATA ===================
# ==================================================
__author__ = "Daxeel Soni"
__url__ = "https://daxeel.github.io"
__email__ = "daxeelsoni44@gmail.com"
__license__ = "MIT"
__version__ = "0.1"
__maintainer__ = "Daxeel Soni"
# ==================================================
# ================= IMPORT MODULES =================
# ==================================================
import click
import urllib
import json
from blockshell import Block, Blockchain
# Supported commands
# ==================================================
# ===== SUPPORTED COMMANDS LIST IN BLOCKSHELL ======
# ==================================================
SUPPORTED_COMMANDS = [
'dotx',
'allblocks',
@ -19,9 +33,14 @@ coin = Blockchain()
# Create group of commands
@click.group()
def cli():
"""
Create a group of commands for CLI
"""
pass
# Start lbc cli
# ==================================================
# ============= BLOCKSHELL CLI COMMAND =============
# ==================================================
@cli.command()
@click.option("--difficulty", default=3, help="Difine dufficulty level of blockchain.")
def init(difficulty):
@ -36,19 +55,23 @@ def init(difficulty):
> A command line utility for learning Blockchain concepts.
> Type 'help' to see supported commands.
> Project by Daxeel Soni - https://daxeel.github.io
"""
# Set difficulty of blockchain
coin.difficulty = difficulty
# Start lbc chell
# Start blockshell shell
while True:
cmd = raw_input("[LBC] $ ")
cmd = raw_input("[BlockShell] $ ")
processInput(cmd)
# Process input from LBC shell
# Process input from Blockshell shell
def processInput(cmd):
"""
Method to process user input from Blockshell CLI.
"""
userCmd = cmd.split(" ")[0]
if len(cmd) > 0:
if userCmd in SUPPORTED_COMMANDS:
@ -58,10 +81,14 @@ def processInput(cmd):
msg = "Command not found. Try help command for documentation"
throwError(msg)
# ------------------------------------
# Supported Commands Methods
# ------------------------------------
# ==================================================
# =========== BLOCKSHELL COMMAND METHODS ===========
# ==================================================
def dotx(cmd):
"""
Do Transaction - Method to perform new transaction on blockchain.
"""
txData = cmd.split("dotx ")[-1]
if "{" in txData:
txData = json.loads(txData)
@ -69,12 +96,18 @@ def dotx(cmd):
coin.addBlock(Block(data=txData))
def allblocks(cmd):
"""
Method to list all mined blocks.
"""
print ""
for eachBlock in coin.chain:
print eachBlock.hash
print ""
def getblock(cmd):
"""
Method to fetch the details of block for given hash.
"""
blockHash = cmd.split(" ")[-1]
for eachBlock in coin.chain:
if eachBlock.hash == blockHash:
@ -83,9 +116,15 @@ def getblock(cmd):
print ""
def help(cmd):
"""
Method to display supported commands in Blockshell
"""
print "Commands:"
print " dotx <transaction data> Create new transaction"
print " allblocks Fetch all mined blocks in blockchain"
def throwError(msg):
"""
Method to throw an error from Blockshell.
"""
print "Error : " + msg