mirror of
https://github.com/ElementsProject/lightning.git
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ed63496152
Update 'dev_crash()' and 'dev_rhash()' methods which used outdated RPC commands, add the missing 'dev_slowcmd()' method.
885 lines
28 KiB
Python
885 lines
28 KiB
Python
from decimal import Decimal
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import json
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import logging
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from math import floor, log10
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import socket
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__version__ = "0.0.7.3"
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class RpcError(ValueError):
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def __init__(self, method, payload, error):
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super(ValueError, self).__init__("RPC call failed: method: {}, payload: {}, error: {}"
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.format(method, payload, error))
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self.method = method
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self.payload = payload
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self.error = error
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class Millisatoshi:
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"""
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A subtype to represent thousandths of a satoshi.
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Many JSON API fields are expressed in millisatoshis: these automatically get
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turned into Millisatoshi types. Converts to and from int.
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"""
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def __init__(self, v):
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"""
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Takes either a string ending in 'msat', 'sat', 'btc' or an integer.
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"""
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if isinstance(v, str):
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if v.endswith("msat"):
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self.millisatoshis = int(v[0:-4])
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elif v.endswith("sat"):
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self.millisatoshis = Decimal(v[0:-3]) * 1000
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elif v.endswith("btc"):
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self.millisatoshis = Decimal(v[0:-3]) * 1000 * 10**8
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else:
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raise TypeError("Millisatoshi must be string with msat/sat/btc suffix or int")
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if self.millisatoshis != int(self.millisatoshis):
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raise ValueError("Millisatoshi must be a whole number")
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self.millisatoshis = int(self.millisatoshis)
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elif isinstance(v, Millisatoshi):
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self.millisatoshis = v.millisatoshis
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elif int(v) == v:
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self.millisatoshis = int(v)
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else:
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raise TypeError("Millisatoshi must be string with msat/sat/btc suffix or int")
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if self.millisatoshis < 0:
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raise ValueError("Millisatoshi must be >= 0")
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def __repr__(self):
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"""
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Appends the 'msat' as expected for this type.
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"""
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return str(self.millisatoshis) + "msat"
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def to_satoshi(self):
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"""
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Return a Decimal representing the number of satoshis
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"""
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return Decimal(self.millisatoshis) / 1000
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def to_btc(self):
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"""
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Return a Decimal representing the number of bitcoin
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"""
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return Decimal(self.millisatoshis) / 1000 / 10**8
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def to_satoshi_str(self):
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"""
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Return a string of form 1234sat or 1234.567sat.
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"""
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if self.millisatoshis % 1000:
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return '{:.3f}sat'.format(self.to_satoshi())
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else:
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return '{:.0f}sat'.format(self.to_satoshi())
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def to_btc_str(self):
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"""
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Return a string of form 12.34567890btc or 12.34567890123btc.
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"""
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if self.millisatoshis % 1000:
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return '{:.11f}btc'.format(self.to_btc())
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else:
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return '{:.8f}btc'.format(self.to_btc())
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def to_approx_str(self, digits: int = 3):
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"""Returns the shortmost string using common units representation.
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Rounds to significant `digits`. Default: 3
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"""
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round_to_n = lambda x, n: round(x, -int(floor(log10(x))) + (n - 1))
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result = None
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# we try to increase digits to check if we did loose out on precision
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# without gaining a shorter string, since this is a rarely used UI
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# function, performance is not an issue. Adds at least one iteration.
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while True:
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# first round everything down to effective digits
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amount_rounded = round_to_n(self.millisatoshis, digits)
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# try different units and take shortest resulting normalized string
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amounts_str = [
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"%gbtc" % (amount_rounded / 1000 / 10**8),
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"%gsat" % (amount_rounded / 1000),
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"%gmsat" % (amount_rounded),
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]
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test_result = min(amounts_str, key=len)
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# check result and do another run if necessary
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if test_result == result:
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return result
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elif not result or len(test_result) <= len(result):
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digits = digits + 1
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result = test_result
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else:
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return result
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def to_json(self):
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return self.__repr__()
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def __int__(self):
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return self.millisatoshis
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def __lt__(self, other):
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return self.millisatoshis < other.millisatoshis
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def __le__(self, other):
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return self.millisatoshis <= other.millisatoshis
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def __eq__(self, other):
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return self.millisatoshis == other.millisatoshis
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def __gt__(self, other):
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return self.millisatoshis > other.millisatoshis
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def __ge__(self, other):
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return self.millisatoshis >= other.millisatoshis
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def __add__(self, other):
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return Millisatoshi(int(self) + int(other))
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def __sub__(self, other):
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return Millisatoshi(int(self) - int(other))
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def __mul__(self, other):
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return Millisatoshi(int(int(self) * other))
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def __truediv__(self, other):
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return Millisatoshi(int(int(self) / other))
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def __floordiv__(self, other):
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return Millisatoshi(int(self) // other)
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def __mod__(self, other):
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return Millisatoshi(int(self) % other)
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class UnixDomainSocketRpc(object):
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def __init__(self, socket_path, executor=None, logger=logging, encoder_cls=json.JSONEncoder, decoder=json.JSONDecoder()):
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self.socket_path = socket_path
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self.encoder_cls = encoder_cls
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self.decoder = decoder
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self.executor = executor
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self.logger = logger
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self.next_id = 0
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def _writeobj(self, sock, obj):
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s = json.dumps(obj, cls=self.encoder_cls)
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sock.sendall(bytearray(s, 'UTF-8'))
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def _readobj(self, sock, buff=b''):
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"""Read a JSON object, starting with buff; returns object and any buffer left over"""
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while True:
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parts = buff.split(b'\n\n', 1)
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if len(parts) == 1:
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# Didn't read enough.
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b = sock.recv(max(1024, len(buff)))
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buff += b
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if len(b) == 0:
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return {'error': 'Connection to RPC server lost.'}, buff
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else:
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buff = parts[1]
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obj, _ = self.decoder.raw_decode(parts[0].decode("UTF-8"))
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return obj, buff
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def __getattr__(self, name):
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"""Intercept any call that is not explicitly defined and call @call
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We might still want to define the actual methods in the subclasses for
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documentation purposes.
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"""
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name = name.replace('_', '-')
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def wrapper(*args, **kwargs):
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if len(args) != 0 and len(kwargs) != 0:
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raise RpcError("Cannot mix positional and non-positional arguments")
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elif len(args) != 0:
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return self.call(name, payload=args)
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else:
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return self.call(name, payload=kwargs)
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return wrapper
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def call(self, method, payload=None):
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self.logger.debug("Calling %s with payload %r", method, payload)
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if payload is None:
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payload = {}
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# Filter out arguments that are None
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if isinstance(payload, dict):
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payload = {k: v for k, v in payload.items() if v is not None}
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# FIXME: we open a new socket for every readobj call...
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sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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sock.connect(self.socket_path)
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self._writeobj(sock, {
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"method": method,
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"params": payload,
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"id": self.next_id,
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})
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self.next_id += 1
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resp, _ = self._readobj(sock)
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sock.close()
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self.logger.debug("Received response for %s call: %r", method, resp)
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if "error" in resp:
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raise RpcError(method, payload, resp['error'])
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elif "result" not in resp:
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raise ValueError("Malformed response, \"result\" missing.")
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return resp["result"]
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class LightningRpc(UnixDomainSocketRpc):
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"""
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RPC client for the `lightningd` daemon.
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This RPC client connects to the `lightningd` daemon through a unix
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domain socket and passes calls through. Since some of the calls
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are blocking, the corresponding python methods include an `async`
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keyword argument. If `async` is set to true then the method
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returns a future immediately, instead of blocking indefinitely.
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This implementation is thread safe in that it locks the socket
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between calls, but it does not (yet) support concurrent calls.
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"""
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class LightningJSONEncoder(json.JSONEncoder):
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def default(self, o):
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try:
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return o.to_json()
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except NameError:
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pass
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return json.JSONEncoder.default(self, o)
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class LightningJSONDecoder(json.JSONDecoder):
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def __init__(self, *, object_hook=None, parse_float=None, parse_int=None, parse_constant=None, strict=True, object_pairs_hook=None):
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self.object_hook_next = object_hook
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super().__init__(object_hook=self.millisatoshi_hook, parse_float=parse_float, parse_int=parse_int, parse_constant=parse_constant, strict=strict, object_pairs_hook=object_pairs_hook)
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@staticmethod
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def replace_amounts(obj):
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"""
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Recursively replace _msat fields with appropriate values with Millisatoshi.
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"""
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if isinstance(obj, dict):
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for k, v in obj.items():
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if k.endswith('msat'):
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if isinstance(v, str) and v.endswith('msat'):
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obj[k] = Millisatoshi(v)
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# Special case for array of msat values
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elif isinstance(v, list) and all(isinstance(e, str) and e.endswith('msat') for e in v):
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obj[k] = [Millisatoshi(e) for e in v]
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else:
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obj[k] = LightningRpc.LightningJSONDecoder.replace_amounts(v)
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elif isinstance(obj, list):
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obj = [LightningRpc.LightningJSONDecoder.replace_amounts(e) for e in obj]
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return obj
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def millisatoshi_hook(self, obj):
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obj = LightningRpc.LightningJSONDecoder.replace_amounts(obj)
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if self.object_hook_next:
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obj = self.object_hook_next(obj)
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return obj
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def __init__(self, socket_path, executor=None, logger=logging):
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super().__init__(socket_path, executor, logging, self.LightningJSONEncoder, self.LightningJSONDecoder())
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def autocleaninvoice(self, cycle_seconds=None, expired_by=None):
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"""
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Sets up automatic cleaning of expired invoices. {cycle_seconds} sets
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the cleaning frequency in seconds (defaults to 3600) and {expired_by}
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sets the minimum time an invoice should have been expired for to be
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cleaned in seconds (defaults to 86400).
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"""
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payload = {
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"cycle_seconds": cycle_seconds,
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"expired_by": expired_by
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}
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return self.call("autocleaninvoice", payload)
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def check(self, command_to_check, **kwargs):
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"""
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Checks if a command is valid without running it.
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"""
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payload = {"command_to_check": command_to_check}
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payload.update({k: v for k, v in kwargs.items()})
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return self.call("check", payload)
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def close(self, peer_id, force=None, timeout=None):
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"""
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Close the channel with peer {id}, forcing a unilateral
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close if {force} is True, and timing out with {timeout}
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seconds.
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"""
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payload = {
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"id": peer_id,
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"force": force,
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"timeout": timeout
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}
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return self.call("close", payload)
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def connect(self, peer_id, host=None, port=None):
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"""
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Connect to {peer_id} at {host} and {port}
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"""
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payload = {
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"id": peer_id,
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"host": host,
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"port": port
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}
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return self.call("connect", payload)
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def decodepay(self, bolt11, description=None):
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"""
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Decode {bolt11}, using {description} if necessary
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"""
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payload = {
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"bolt11": bolt11,
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"description": description
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}
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return self.call("decodepay", payload)
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def delexpiredinvoice(self, maxexpirytime=None):
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"""
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Delete all invoices that have expired on or before the given {maxexpirytime}
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"""
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payload = {
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"maxexpirytime": maxexpirytime
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}
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return self.call("delexpiredinvoice", payload)
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def delinvoice(self, label, status):
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"""
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Delete unpaid invoice {label} with {status}
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"""
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payload = {
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"label": label,
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"status": status
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}
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return self.call("delinvoice", payload)
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def dev_crash(self):
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"""
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Crash lightningd by calling fatal()
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"""
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payload = {
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"subcommand": "crash"
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}
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return self.call("dev", payload)
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def dev_fail(self, peer_id):
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"""
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Fail with peer {peer_id}
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"""
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payload = {
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"id": peer_id
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}
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return self.call("dev-fail", payload)
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def dev_forget_channel(self, peerid, force=False):
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""" Forget the channel with id=peerid
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"""
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return self.call(
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"dev-forget-channel",
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payload={"id": peerid, "force": force}
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)
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def dev_memdump(self):
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"""
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Show memory objects currently in use
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"""
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return self.call("dev-memdump")
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def dev_memleak(self):
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"""
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Show unreferenced memory objects
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"""
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return self.call("dev-memleak")
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def dev_query_scids(self, id, scids):
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"""
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Ask peer for a particular set of scids
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"""
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payload = {
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"id": id,
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"scids": scids
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}
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return self.call("dev-query-scids", payload)
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def dev_reenable_commit(self, peer_id):
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"""
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Re-enable the commit timer on peer {id}
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"""
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payload = {
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"id": peer_id
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}
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return self.call("dev-reenable-commit", payload)
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def dev_rescan_outputs(self):
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"""
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Synchronize the state of our funds with bitcoind
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"""
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return self.call("dev-rescan-outputs")
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def dev_rhash(self, secret):
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"""
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Show SHA256 of {secret}
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"""
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payload = {
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"subcommand": "rhash",
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"secret": secret
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}
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return self.call("dev", payload)
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def dev_sign_last_tx(self, peer_id):
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"""
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Sign and show the last commitment transaction with peer {id}
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"""
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payload = {
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"id": peer_id
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}
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return self.call("dev-sign-last-tx", payload)
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def dev_slowcmd(self, msec=None):
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"""
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Torture test for slow commands, optional {msec}
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"""
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payload = {
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"subcommand": "slowcmd",
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"msec": msec
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}
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return self.call("dev", payload)
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def disconnect(self, peer_id, force=False):
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"""
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Disconnect from peer with {peer_id}, optional {force} even if has active channel
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"""
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payload = {
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"id": peer_id,
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"force": force,
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}
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return self.call("disconnect", payload)
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def feerates(self, style, urgent=None, normal=None, slow=None):
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"""
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Supply feerate estimates manually.
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"""
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payload = {
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"style": style,
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"urgent": urgent,
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"normal": normal,
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"slow": slow
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}
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return self.call("feerates", payload)
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def fundchannel(self, node_id, satoshi, feerate=None, announce=True, minconf=None, utxos=None):
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"""
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Fund channel with {id} using {satoshi} satoshis with feerate
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of {feerate} (uses default feerate if unset).
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If {announce} is False, don't send channel announcements.
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Only select outputs with {minconf} confirmations.
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If {utxos} is specified (as a list of 'txid:vout' strings),
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fund a channel from these specifics utxos.
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"""
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payload = {
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"id": node_id,
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"satoshi": satoshi,
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"feerate": feerate,
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"announce": announce,
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"minconf": minconf,
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"utxos": utxos
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}
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return self.call("fundchannel", payload)
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def fundchannel_start(self, node_id, satoshi, feerate=None, announce=True):
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"""
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Start channel funding with {id} for {satoshi} satoshis
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with feerate of {feerate} (uses default feerate if unset).
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If {announce} is False, don't send channel announcements.
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Returns a Bech32 {funding_address} for an external wallet
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to create a funding transaction for. Requires a call to
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'fundchannel_complete' to complete channel establishment
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with peer.
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"""
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payload = {
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"id": node_id,
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"satoshi": satoshi,
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"feerate": feerate,
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"announce": announce,
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}
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return self.call("fundchannel_start", payload)
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def fundchannel_cancel(self, node_id):
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"""
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Cancel a 'started' fundchannel with node {id}.
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"""
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payload = {
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"id": node_id,
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}
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return self.call("fundchannel_cancel", payload)
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def fundchannel_complete(self, node_id, funding_txid, funding_txout):
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"""
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Complete channel establishment with {id}, using {funding_txid} at {funding_txout}
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"""
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payload = {
|
|
"id": node_id,
|
|
"txid": funding_txid,
|
|
"txout": funding_txout,
|
|
}
|
|
return self.call("fundchannel_complete", payload)
|
|
|
|
def getinfo(self):
|
|
"""
|
|
Show information about this node
|
|
"""
|
|
return self.call("getinfo")
|
|
|
|
def getlog(self, level=None):
|
|
"""
|
|
Show logs, with optional log {level} (info|unusual|debug|io)
|
|
"""
|
|
payload = {
|
|
"level": level
|
|
}
|
|
return self.call("getlog", payload)
|
|
|
|
def getpeer(self, peer_id, level=None):
|
|
"""
|
|
Show peer with {peer_id}, if {level} is set, include {log}s
|
|
"""
|
|
payload = {
|
|
"id": peer_id,
|
|
"level": level
|
|
}
|
|
res = self.call("listpeers", payload)
|
|
return res.get("peers") and res["peers"][0] or None
|
|
|
|
def getroute(self, node_id, msatoshi, riskfactor, cltv=9, fromid=None, fuzzpercent=None, exclude=[], maxhops=20):
|
|
"""
|
|
Show route to {id} for {msatoshi}, using {riskfactor} and optional
|
|
{cltv} (default 9). If specified search from {fromid} otherwise use
|
|
this node as source. Randomize the route with up to {fuzzpercent}
|
|
(0.0 -> 100.0, default 5.0). {exclude} is an optional array of
|
|
scid/direction to exclude. Limit the number of hops in the route to
|
|
{maxhops}.
|
|
"""
|
|
payload = {
|
|
"id": node_id,
|
|
"msatoshi": msatoshi,
|
|
"riskfactor": riskfactor,
|
|
"cltv": cltv,
|
|
"fromid": fromid,
|
|
"fuzzpercent": fuzzpercent,
|
|
"exclude": exclude,
|
|
"maxhops": maxhops
|
|
}
|
|
return self.call("getroute", payload)
|
|
|
|
def help(self, command=None):
|
|
"""
|
|
Show available commands, or just {command} if supplied.
|
|
"""
|
|
payload = {
|
|
"command": command,
|
|
}
|
|
return self.call("help", payload)
|
|
|
|
def invoice(self, msatoshi, label, description, expiry=None, fallbacks=None, preimage=None, exposeprivatechannels=None):
|
|
"""
|
|
Create an invoice for {msatoshi} with {label} and {description} with
|
|
optional {expiry} seconds (default 1 week)
|
|
"""
|
|
payload = {
|
|
"msatoshi": msatoshi,
|
|
"label": label,
|
|
"description": description,
|
|
"expiry": expiry,
|
|
"fallbacks": fallbacks,
|
|
"preimage": preimage,
|
|
"exposeprivatechannels": exposeprivatechannels
|
|
}
|
|
return self.call("invoice", payload)
|
|
|
|
def listchannels(self, short_channel_id=None, source=None):
|
|
"""
|
|
Show all known channels, accept optional {short_channel_id} or {source}
|
|
"""
|
|
payload = {
|
|
"short_channel_id": short_channel_id,
|
|
"source": source
|
|
}
|
|
return self.call("listchannels", payload)
|
|
|
|
def listconfigs(self, config=None):
|
|
"""List this node's config
|
|
"""
|
|
payload = {
|
|
"config": config
|
|
}
|
|
return self.call("listconfigs", payload)
|
|
|
|
def listforwards(self):
|
|
"""List all forwarded payments and their information
|
|
"""
|
|
return self.call("listforwards")
|
|
|
|
def listfunds(self):
|
|
"""
|
|
Show funds available for opening channels
|
|
"""
|
|
return self.call("listfunds")
|
|
|
|
def listtransactions(self):
|
|
"""
|
|
Show wallet history
|
|
"""
|
|
return self.call("listtransactions")
|
|
|
|
def listinvoices(self, label=None):
|
|
"""
|
|
Show invoice {label} (or all, if no {label))
|
|
"""
|
|
payload = {
|
|
"label": label
|
|
}
|
|
return self.call("listinvoices", payload)
|
|
|
|
def listnodes(self, node_id=None):
|
|
"""
|
|
Show all nodes in our local network view, filter on node {id}
|
|
if provided
|
|
"""
|
|
payload = {
|
|
"id": node_id
|
|
}
|
|
return self.call("listnodes", payload)
|
|
|
|
def listpayments(self, bolt11=None, payment_hash=None):
|
|
"""
|
|
Show outgoing payments, regarding {bolt11} or {payment_hash} if set
|
|
Can only specify one of {bolt11} or {payment_hash}
|
|
"""
|
|
assert not (bolt11 and payment_hash)
|
|
payload = {
|
|
"bolt11": bolt11,
|
|
"payment_hash": payment_hash
|
|
}
|
|
return self.call("listpayments", payload)
|
|
|
|
def listpeers(self, peerid=None, level=None):
|
|
"""
|
|
Show current peers, if {level} is set, include {log}s"
|
|
"""
|
|
payload = {
|
|
"id": peerid,
|
|
"level": level,
|
|
}
|
|
return self.call("listpeers", payload)
|
|
|
|
def listsendpays(self, bolt11=None, payment_hash=None):
|
|
"""Show all sendpays results, or only for `bolt11` or `payment_hash`"""
|
|
payload = {
|
|
"bolt11": bolt11,
|
|
"payment_hash": payment_hash
|
|
}
|
|
return self.call("listsendpays", payload)
|
|
|
|
def newaddr(self, addresstype=None):
|
|
"""Get a new address of type {addresstype} of the internal wallet.
|
|
"""
|
|
return self.call("newaddr", {"addresstype": addresstype})
|
|
|
|
def pay(self, bolt11, msatoshi=None, label=None, riskfactor=None, description=None):
|
|
"""
|
|
Send payment specified by {bolt11} with {msatoshi}
|
|
(ignored if {bolt11} has an amount), optional {label}
|
|
and {riskfactor} (default 1.0)
|
|
"""
|
|
payload = {
|
|
"bolt11": bolt11,
|
|
"msatoshi": msatoshi,
|
|
"label": label,
|
|
"riskfactor": riskfactor,
|
|
# Deprecated.
|
|
"description": description,
|
|
}
|
|
return self.call("pay", payload)
|
|
|
|
def paystatus(self, bolt11=None):
|
|
"""Detail status of attempts to pay {bolt11} or any"""
|
|
payload = {
|
|
"bolt11": bolt11
|
|
}
|
|
return self.call("paystatus", payload)
|
|
|
|
def ping(self, peer_id, length=128, pongbytes=128):
|
|
"""
|
|
Send {peer_id} a ping of length {len} asking for {pongbytes}"
|
|
"""
|
|
payload = {
|
|
"id": peer_id,
|
|
"len": length,
|
|
"pongbytes": pongbytes
|
|
}
|
|
return self.call("ping", payload)
|
|
|
|
def plugin_start(self, plugin):
|
|
"""
|
|
Adds a plugin to lightningd.
|
|
"""
|
|
payload = {
|
|
"subcommand": "start",
|
|
"plugin": plugin
|
|
}
|
|
return self.call("plugin", payload)
|
|
|
|
def plugin_startdir(self, directory):
|
|
"""
|
|
Adds all plugins from a directory to lightningd.
|
|
"""
|
|
payload = {
|
|
"subcommand": "startdir",
|
|
"directory": directory
|
|
}
|
|
return self.call("plugin", payload)
|
|
|
|
def plugin_stop(self, plugin):
|
|
"""
|
|
Stops a lightningd plugin, will fail if plugin is not dynamic.
|
|
"""
|
|
payload = {
|
|
"subcommand": "stop",
|
|
"plugin": plugin
|
|
}
|
|
return self.call("plugin", payload)
|
|
|
|
def plugin_list(self):
|
|
"""
|
|
Lists all plugins lightningd knows about.
|
|
"""
|
|
payload = {
|
|
"subcommand": "list"
|
|
}
|
|
return self.call("plugin", payload)
|
|
|
|
def plugin_rescan(self):
|
|
payload = {
|
|
"subcommand": "rescan"
|
|
}
|
|
return self.call("plugin", payload)
|
|
|
|
def sendpay(self, route, payment_hash, description=None, msatoshi=None):
|
|
"""
|
|
Send along {route} in return for preimage of {payment_hash}
|
|
"""
|
|
payload = {
|
|
"route": route,
|
|
"payment_hash": payment_hash,
|
|
"description": description,
|
|
"msatoshi": msatoshi,
|
|
}
|
|
return self.call("sendpay", payload)
|
|
|
|
def setchannelfee(self, id, base=None, ppm=None):
|
|
"""
|
|
Set routing fees for a channel/peer {id} (or 'all'). {base} is a value in millisatoshi
|
|
that is added as base fee to any routed payment. {ppm} is a value added proportionally
|
|
per-millionths to any routed payment volume in satoshi.
|
|
"""
|
|
payload = {
|
|
"id": id,
|
|
"base": base,
|
|
"ppm": ppm
|
|
}
|
|
return self.call("setchannelfee", payload)
|
|
|
|
def stop(self):
|
|
"""
|
|
Shut down the lightningd process
|
|
"""
|
|
return self.call("stop")
|
|
|
|
def waitanyinvoice(self, lastpay_index=None):
|
|
"""
|
|
Wait for the next invoice to be paid, after {lastpay_index}
|
|
(if supplied)
|
|
"""
|
|
payload = {
|
|
"lastpay_index": lastpay_index
|
|
}
|
|
return self.call("waitanyinvoice", payload)
|
|
|
|
def waitinvoice(self, label):
|
|
"""
|
|
Wait for an incoming payment matching the invoice with {label}
|
|
"""
|
|
payload = {
|
|
"label": label
|
|
}
|
|
return self.call("waitinvoice", payload)
|
|
|
|
def waitsendpay(self, payment_hash, timeout=None):
|
|
"""
|
|
Wait for payment for preimage of {payment_hash} to complete
|
|
"""
|
|
payload = {
|
|
"payment_hash": payment_hash,
|
|
"timeout": timeout
|
|
}
|
|
return self.call("waitsendpay", payload)
|
|
|
|
def withdraw(self, destination, satoshi, feerate=None, minconf=None):
|
|
"""
|
|
Send to {destination} address {satoshi} (or "all")
|
|
amount via Bitcoin transaction. Only select outputs
|
|
with {minconf} confirmations
|
|
"""
|
|
payload = {
|
|
"destination": destination,
|
|
"satoshi": satoshi,
|
|
"feerate": feerate,
|
|
"minconf": minconf,
|
|
}
|
|
return self.call("withdraw", payload)
|
|
|
|
def txprepare(self, destination, satoshi, feerate=None, minconf=None):
|
|
"""
|
|
Prepare a bitcoin transaction which sends to {destination} address
|
|
{satoshi} (or "all") amount via Bitcoin transaction. Only select outputs
|
|
with {minconf} confirmations.
|
|
|
|
Outputs will be reserved until you call txdiscard or txsend, or
|
|
lightningd restarts.
|
|
"""
|
|
payload = {
|
|
"destination": destination,
|
|
"satoshi": satoshi,
|
|
"feerate": feerate,
|
|
"minconf": minconf,
|
|
}
|
|
return self.call("txprepare", payload)
|
|
|
|
def txdiscard(self, txid):
|
|
"""
|
|
Cancel a bitcoin transaction returned from txprepare. The outputs
|
|
it was spending are released for other use.
|
|
"""
|
|
payload = {
|
|
"txid": txid
|
|
}
|
|
return self.call("txdiscard", payload)
|
|
|
|
def txsend(self, txid):
|
|
"""
|
|
Sign and broadcast a bitcoin transaction returned from txprepare.
|
|
"""
|
|
payload = {
|
|
"txid": txid
|
|
}
|
|
return self.call("txsend", payload)
|