lighthouse.js/decoder/decoder.py

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#!/usr/bin/python
# -*- coding: utf-8 -*-
import json, os
from bitcoinrpc.authproxy import AuthServiceProxy
from lbryschema.decode import smart_decode
from flask import Flask, url_for
app = Flask(__name__)
def get_lbrycrdd_connection_details(wallet_conf):
settings = {"username": "lbry",
"password": "lbry",
"rpc_port": 9245}
if wallet_conf and os.path.exists(wallet_conf):
with open(wallet_conf, "r") as conf:
conf_lines = conf.readlines()
for l in conf_lines:
if l.startswith("rpcuser="):
settings["username"] = l[8:].rstrip('\n')
if l.startswith("rpcpassword="):
settings["password"] = l[12:].rstrip('\n')
if l.startswith("rpcport="):
settings["rpc_port"] = int(l[8:].rstrip('\n'))
rpc_user = settings["username"]
rpc_pass = settings["password"]
rpc_port = settings["rpc_port"]
rpc_url = "127.0.0.1"
return "http://%s:%s@%s:%i" % (rpc_user, rpc_pass, rpc_url, rpc_port)
@app.errorhandler(500)
def internal_error(error):
return 'error when decoding claims'
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@app.route('/claim_decode/<txid>/<nout>')
def api_decode(txid, nout):
connection_string = get_lbrycrdd_connection_details(os.path.expanduser("~")+"/.lbrycrd/lbrycrd.conf")
rpc = AuthServiceProxy(connection_string)
result = rpc.getclaimsfortx(txid)
claim = None
for claim_out in result:
if claim_out['nOut'] == int(nout):
claim = claim_out
break
if claim:
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converted = ''.join([chr(ord(i)) for i in claim['value']])
decoded = smart_decode(converted)
claim['value'] = decoded.claim_dict
return json.dumps(claim)
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@app.route('/claim_decodeinv/<claimid>')
def api_decodebyclaim(claimid):
connection_string = get_lbrycrdd_connection_details(os.path.expanduser("~")+"/.lbrycrd/lbrycrd.conf")
rpc = AuthServiceProxy(connection_string)
claim = rpc.getvalueforname(claimid)
if claim:
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converted = ''.join([chr(ord(i)) for i in claim['value']])
decoded = smart_decode(converted)
claim['value'] = decoded.claim_dict
return json.dumps(claim)
if __name__ == '__main__':
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app.run(host='127.0.0.1')