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https://github.com/alexgo-io/stacks-puppet-node.git
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89 lines
2.8 KiB
Python
89 lines
2.8 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Blockstore
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~~~~~
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copyright: (c) 2014 by Halfmoon Labs, Inc.
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copyright: (c) 2015 by Blockstack.org
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This file is part of Blockstore
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Blockstore is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Blockstore is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Blockstore. If not, see <http://www.gnu.org/licenses/>.
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"""
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from pybitcoin import embed_data_in_blockchain, BlockchainInfoClient, hex_hash160
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from utilitybelt import is_hex
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from binascii import hexlify, unhexlify
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from ..b40 import b40_to_hex, bin_to_b40, is_b40
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from ..config import *
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from ..scripts import blockstore_script_to_hex, add_magic_bytes
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def build( namespace_id, testset=False ):
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"""
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Record to mark the end of a namespace import in the blockchain.
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Takes an base40-encoded namespace ID to mark the end.
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Format:
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0 2 3 4 23
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|-----|--|--|------------|
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magic op . ns_id
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"""
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# sanity check
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if not is_b40( namespace_id ) or "+" in namespace_id or namespace_id.count(".") > 0:
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raise Exception("Namespace ID '%s' has non-base-38 characters" % namespace_id)
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if len(namespace_id) == 0 or len(namespace_id) > LENGTHS['blockchain_id_namespace_id']:
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raise Exception("Invalid namespace ID '%s (expected length between 1 and %s)" % (namespace_id, LENGTHS['blockchain_id_namespace_id']))
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readable_script = "NAMESPACE_READY 0x%s" % (hexlify("." + namespace_id))
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hex_script = blockstore_script_to_hex(readable_script)
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packaged_script = add_magic_bytes(hex_script, testset=testset)
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return packaged_script
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def broadcast( namespace_id, private_key, blockchain_client, testset=False ):
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nulldata = build( namespace_id, testset=testset )
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# response = {'success': True }
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response = embed_data_in_blockchain( nulldata, private_key, blockchain_client, format='hex')
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response.update({'data': nulldata})
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return response
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def parse( bin_payload ):
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"""
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NOTE: the first three bytes will be missing
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NOTE: the first byte in bin_payload is a '.'
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"""
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namespace_id = bin_payload[ 1: ]
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return {
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'opcode': 'NAMESPACE_READY',
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'namespace_id': namespace_id
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}
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def serialize( nameop ):
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"""
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Convert the set of data obtained from parsing the namespace_ready into a unique string.
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"""
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return NAMESPACE_READY + ":" + nameop['namespace_id']
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