lnbits-legend/lnbits/wallets/lnpay.py
2020-07-03 20:04:04 -03:00

61 lines
2.2 KiB
Python

import base64
from os import getenv
from requests import get, post
from .base import InvoiceResponse, PaymentResponse, PaymentStatus, Wallet
class LNPayWallet(Wallet):
"""https://docs.lnpay.co/"""
def __init__(self):
endpoint = getenv("LNPAY_API_ENDPOINT")
self.endpoint = endpoint[:-1] if endpoint.endswith("/") else endpoint
self.auth_admin = getenv("LNPAY_ADMIN_KEY")
self.auth_invoice = getenv("LNPAY_INVOICE_KEY")
self.auth_read = getenv("LNPAY_READ_KEY")
self.auth_api = {"X-Api-Key": getenv("LNPAY_API_KEY")}
def create_invoice(self, amount: int, memo: str = "", description_hash: bytes = b"") -> InvoiceResponse:
r = post(
url=f"{self.endpoint}/user/wallet/{self.auth_invoice}/invoice",
headers=self.auth_api,
json={
"num_satoshis": f"{amount}",
"memo": memo,
"description_hash": base64.b64encode(description_hash).decode("ascii"),
},
)
ok, checking_id, payment_request, error_message = r.status_code == 201, None, None, None
if ok:
data = r.json()
checking_id, payment_request = data["id"], data["payment_request"]
return InvoiceResponse(ok, checking_id, payment_request, error_message)
def pay_invoice(self, bolt11: str) -> PaymentResponse:
r = post(
url=f"{self.endpoint}/user/wallet/{self.auth_admin}/withdraw",
headers=self.auth_api,
json={"payment_request": bolt11},
)
ok, checking_id, fee_msat, error_message = r.status_code == 201, None, 0, None
if ok:
checking_id = r.json()["lnTx"]["id"]
return PaymentResponse(ok, checking_id, fee_msat, error_message)
def get_invoice_status(self, checking_id: str) -> PaymentStatus:
return self.get_payment_status(checking_id)
def get_payment_status(self, checking_id: str) -> PaymentStatus:
r = get(url=f"{self.endpoint}/user/lntx/{checking_id}", headers=self.auth_api)
if not r.ok:
return PaymentStatus(None)
statuses = {0: None, 1: True, -1: False}
return PaymentStatus(statuses[r.json()["settled"]])