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60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
print(int('b',16), int('62ba1cd8a',16)) # Prints the hexadecimal representation of the value.
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'''
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testnet : A small replica of bitcoin for developers to test their app without real money.
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We use bitcoin-cli command to communicate with a node. It is a command line utility.
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In this course we use >testnet rather than >bitcoin-cli.
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/
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>testnet help
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>mainnet help
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Prints all the commands to use in testnet or mainnet
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/
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>testnet help getblockchaininfo
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Gets the help for the related command
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/
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>testnet getblockchaininfo
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Makes the query with the method for the testnet. mainnet for the actual chain
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/
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>mainnet getmininginfo
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Gives the mining info
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/
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Check how the nodes talk with each other from https://bitcoin.org/en/developer-reference#protocol-versions
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This changes from version to version. ipv4 / ipv6 / onion
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/
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>testnet getwalletinfo
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Gives the wallet info
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/
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>testnet listtransactions
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The transactions related to wallet
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/
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Code to connect to node
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If you don't have bitcoinrpc install it with pip:
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pip install python-bitcoinrpc
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/
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Code:
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from bitcoinrpc.authproxy import AuthServiceProxy
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N = 115792089237316195423570985008687907852837564279074904382605163141518161494337
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big_number = 105936749493397165751943248390023977685888340619776708311600296471039819517671
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class RPC:
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def __init__(self, uri):
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self.rpc = AuthServiceProxy(uri)
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def __getattr__(self, name):
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"""Hack to establish a new AuthServiceProxy every time this is called"""
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return getattr(self.rpc, name)
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rpc_template = "http://%s:%s@%s:%s"
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mainnet = RPC(rpc_template %
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('bitcoin', 'python', '68.183.110.103', 8332))
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testnet = RPC(rpc_template %
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('bitcoin', 'python', 'localhost', 18332))
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/
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pprint : A package to print objects pretty.Especially JSON objects.
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from helpers import testnet
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from pprint import pprint
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pprint(testnet.getblockchaininfo())
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''' |