lnbits-legend/lnbits/wallets/lndgrpc.py
2020-04-13 22:23:42 +01:00

103 lines
3.3 KiB
Python

from os import getenv
import os
import base64
import lnd_grpc # https://github.com/willcl-ark/lnd_grpc
from .base import InvoiceResponse, PaymentResponse, PaymentStatus, Wallet
class LndWallet(Wallet):
def __init__(self):
endpoint = getenv("LND_GRPC_ENDPOINT")
self.endpoint = endpoint[:-1] if endpoint.endswith("/") else endpoint
self.port = getenv("LND_GRPC_PORT")
self.auth_admin = getenv("LND_ADMIN_MACAROON")
self.auth_invoice = getenv("LND_INVOICE_MACAROON")
self.auth_read = getenv("LND_READ_MACAROON")
self.auth_cert = getenv("LND_CERT")
lnd_rpc = lnd_grpc.Client(
lnd_dir = None,
tls_cert_path = self.auth_cert,
network = 'mainnet',
grpc_host = self.endpoint,
grpc_port = self.port
)
def create_invoice(self, amount: int, memo: str = "") -> InvoiceResponse:
lnd_rpc = lnd_grpc.Client(
lnd_dir = None,
macaroon_path = self.auth_invoice,
tls_cert_path = self.auth_cert,
network = 'mainnet',
grpc_host = self.endpoint,
grpc_port = self.port
)
lndResponse = lnd_rpc.add_invoice(
memo = memo,
value = amount,
expiry = 600,
private = True
)
decoded_hash = base64.b64encode(lndResponse.r_hash).decode('utf-8').replace("/","_")
print(lndResponse.r_hash)
ok, checking_id, payment_request, error_message = True, decoded_hash, str(lndResponse.payment_request), None
return InvoiceResponse(ok, checking_id, payment_request, error_message)
def pay_invoice(self, bolt11: str) -> PaymentResponse:
lnd_rpc = lnd_grpc.Client(
lnd_dir = None,
macaroon_path = self.auth_admin,
tls_cert_path = self.auth_cert,
network = 'mainnet',
grpc_host = self.endpoint,
grpc_port = self.port
)
payinvoice = lnd_rpc.pay_invoice(
payment_request = bolt11,
)
ok, checking_id, fee_msat, error_message = True, None, 0, None
if payinvoice.payment_error:
ok, error_message = False, payinvoice.payment_error
else:
checking_id = base64.b64encode(payinvoice.payment_hash).decode('utf-8').replace("/","_")
return PaymentResponse(ok, checking_id, fee_msat, error_message)
def get_invoice_status(self, checking_id: str) -> PaymentStatus:
check_id = base64.b64decode(checking_id.replace("_","/"))
print(check_id)
lnd_rpc = lnd_grpc.Client(
lnd_dir = None,
macaroon_path = self.auth_invoice,
tls_cert_path = self.auth_cert,
network = 'mainnet',
grpc_host = self.endpoint,
grpc_port = self.port
)
for _response in lnd_rpc.subscribe_single_invoice(check_id):
if _response.state == 1:
return PaymentStatus(True)
invoiceThread = threading.Thread(
target=detectPayment,
args=[lndResponse.check_id, ],
daemon=True
)
invoiceThread.start()
def get_payment_status(self, checking_id: str) -> PaymentStatus:
return PaymentStatus(True)