mirror of https://github.com/vacp2p/research.git
91 lines
2.4 KiB
Python
91 lines
2.4 KiB
Python
from web3 import Web3, HTTPProvider
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import time
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# Constant
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#---------------------------------------------------------------------
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host = 'http://localhost:8545'
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a_keyPair = "0x57083392b29bdf24512c93cfdf45d38c87d9d882da3918c59f4406445ea976a4"
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b_keyPair= "0x7b5c5af9736d9f1773f2020dd0fef0bc3c8aeaf147d2bf41961e766588e086e7"
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# Derived, used for addressing
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a_pubKey = "0x04d94a1a01872b598c7cdc5aca2358d35eb91cd8a91eaea8da277451bb71d45c0d1eb87a31ea04e32f537e90165c870b3e115a12438c754d507ac75bddd6ecacd5"
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b_pubkey = "0x04ff921ddf78b5ed4537402f59a150caf9d96a83f2a345a1ddf9df12e99e7778f314c9ca72e8285eb213af84f5a7b01aabb62c67e46657976ded6658e1b9e83c73"
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topic = '0x00000000'
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# Connection
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#---------------------------------------------------------------------
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web3 = Web3(HTTPProvider(host))
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from web3.shh import Shh
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Shh.attach(web3, "shh")
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#kId = web3.shh.addPrivateKey(keyPair)
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#pubKey = web3.shh.getPublicKey(kId)
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# API
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#---------------------------------------------------------------------
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# XXX: Hacky
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def newKeyPair():
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raw_keyPair = web3.shh.newKeyPair()
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keyPair = "0x" + raw_keyPair
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return keyPair
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def pollFilter(topic, keyPair):
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kId = web3.shh.addPrivateKey(keyPair)
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myFilter = web3.shh.newMessageFilter({'topic': topic,
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'privateKeyID': kId})
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myFilter.poll_interval = 600;
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return myFilter
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def sendMessage(address_to, topic, msg):
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web3.shh.post({
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'pubKey': address_to,
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'topic': topic,
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'powTarget': 2.01,
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'powTime': 2,
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'ttl': 10,
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'payload': web3.toHex(text=msg)
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});
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def getMessages(myFilter):
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filterID = myFilter.filter_id
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retreived_messages = web3.shh.getMessages(filterID)
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for i in range(0, len(retreived_messages)):
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print(retreived_messages[i]['payload'].decode("utf-8"))
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print(retreived_messages[i])
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# Run
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#---------------------------------------------------------------------
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# A sending messages to B and B then checking
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# keyPair used for decryption
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myFilter = pollFilter(topic, b_keyPair)
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# XXX: Part of A's state
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sendMessage(b_pubkey, topic, "hello")
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sendMessage(b_pubkey, topic, "hi")
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#sendMessage(b_pubkey, topic, "hello b")
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time.sleep(1)
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getMessages(myFilter)
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# TODO
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# Usage:
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# ./whisper a
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# => type to send message
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# => see incoming messages (poll regularly)
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# Vice versa for b
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# Then:
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# - check discovery topic listen
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# - try to get end to end e.g. mobile phone
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# - hook up to sync
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# - consider subscribe instead?
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