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# -*- coding: utf-8 -*-
# Description: Energi Core / Bitcoin netdata python.d module
# Author: Andrey Galkin <andrey@futoin.org> (andvgal)
# SPDX-License-Identifier: GPL-3.0-or-later
#
# This module is designed for energid, but it should work with many other Bitcoin forks
# which support more or less standard JSON-RPC.
#
import json
from bases.FrameworkServices.UrlService import UrlService
update_every = 5
ORDER = [
'blockindex',
'difficulty',
'mempool',
'secmem',
'network',
'timeoffset',
'utxo',
'xfers',
]
CHARTS = {
'blockindex': {
'options': [None, 'Blockchain Index', 'count', 'blockchain', 'energi.blockindex', 'area'],
'lines': [
['blockchain_blocks', 'blocks', 'absolute'],
['blockchain_headers', 'headers', 'absolute'],
]
},
'difficulty': {
'options': [None, 'Blockchain Difficulty', 'difficulty', 'blockchain', 'energi.difficulty', 'line'],
'lines': [
['blockchain_difficulty', 'Diff', 'absolute'],
],
},
'mempool': {
'options': [None, 'MemPool', 'MiB', 'memory', 'energid.mempool', 'area'],
'lines': [
['mempool_max', 'Max', 'absolute', None, 1024*1024],
['mempool_current', 'Usage', 'absolute', None, 1024*1024],
['mempool_txsize', 'TX Size', 'absolute', None, 1024*1024],
],
},
'secmem': {
'options': [None, 'Secure Memory', 'KiB', 'memory', 'energid.secmem', 'area'],
'lines': [
['secmem_total', 'Total', 'absolute', None, 1024],
['secmem_locked', 'Locked', 'absolute', None, 1024],
['secmem_used', 'Used', 'absolute', None, 1024],
],
},
'network': {
'options': [None, 'Network', 'count', 'network', 'energid.network', 'line'],
'lines': [
['network_connections', 'Connections', 'absolute'],
],
},
'timeoffset': {
'options': [None, 'Network', 'seconds', 'network', 'energid.timeoffset', 'line'],
'lines': [
['network_timeoffset', 'offseet', 'absolute'],
],
},
'utxo': {
'options': [None, 'UTXO', 'count', 'UTXO', 'energid.utxo', 'line'],
'lines': [
['utxo_count', 'UTXO', 'absolute'],
],
},
'xfers': {
'options': [None, 'UTXO', 'count', 'UTXO', 'energid.xfers', 'line'],
'lines': [
['utxo_xfers', 'Xfers', 'absolute'],
],
},
}
METHODS = {
'getblockchaininfo': lambda r: {
'blockchain_blocks': r['blocks'],
'blockchain_headers': r['headers'],
'blockchain_difficulty': r['difficulty'],
},
'getmempoolinfo': lambda r: {
'mempool_txcount': r['size'],
'mempool_txsize': r['bytes'],
'mempool_current': r['usage'],
'mempool_max': r['maxmempool'],
},
'getmemoryinfo': lambda r: dict([
('secmem_' + k, v) for (k,v) in r['locked'].items()
]),
'getnetworkinfo': lambda r: {
'network_timeoffset' : r['timeoffset'],
'network_connections': r['connections'],
},
'gettxoutsetinfo': lambda r: {
'utxo_count' : r['txouts'],
'utxo_xfers' : r['transactions'],
'utxo_size' : r['disk_size'],
'utxo_amount' : r['total_amount'],
},
}
JSON_RPC_VERSION = '1.1'
class Service(UrlService):
def __init__(self, configuration=None, name=None):
UrlService.__init__(self, configuration=configuration, name=name)
self.order = ORDER
self.definitions = CHARTS
self.host = self.configuration.get('host', '127.0.0.1')
self.port = self.configuration.get('port', 9796)
self.url = '{scheme}://{host}:{port}'.format(
scheme=self.configuration.get('scheme', 'http'),
host=self.host,
port=self.port,
)
self.method = 'POST'
self.header = {
'Content-Type': 'application/json',
}
def _get_data(self):
#
# Bitcoin family speak JSON-RPC version 1.0 for maximum compatibility,
# but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
# unspecified (HTTP errors and contents of 'error').
#
# 1.0 spec: https://www.jsonrpc.org/specification_v1
# 2.0 spec: https://www.jsonrpc.org/specification
#
# The call documentation: https://github.com/energicryptocurrency/core-api-documentation
#
batch = []
for i, method in enumerate(METHODS):
batch.append({
'version': JSON_RPC_VERSION,
'id': i,
'method': method,
'params': [],
})
result = self._get_raw_data(body=json.dumps(batch))
if not result:
return None
result = json.loads(result.decode('utf-8'))
data = dict()
for i, (_, handler) in enumerate(METHODS.items()):
r = result[i]
data.update(handler(r['result']))
return data
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