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private requests, feedback, results, zaps

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Believethehype
2023-11-27 23:37:44 +01:00
parent f5c6a5a3bf
commit 508278d10b
15 changed files with 291 additions and 166 deletions
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41
utils/zap_utils.py
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@@ -11,7 +11,7 @@ from nostr_sdk import nostr_sdk, PublicKey, SecretKey, Event, EventBuilder, Tag,
from utils.database_utils import get_or_add_user
from utils.dvmconfig import DVMConfig
from utils.nostr_utils import get_event_by_id
from utils.nostr_utils import get_event_by_id, check_and_decrypt_tags, check_and_decrypt_own_tags
import lnurl
from hashlib import sha256
@@ -22,12 +22,14 @@ def parse_zap_event_tags(zap_event, keys, name, client, config):
anon = False
message = ""
sender = zap_event.pubkey()
for tag in zap_event.tags():
if tag.as_vec()[0] == 'bolt11':
invoice_amount = parse_amount_from_bolt11_invoice(tag.as_vec()[1])
elif tag.as_vec()[0] == 'e':
zapped_event = get_event_by_id(tag.as_vec()[1], client=client, config=config)
zapped_event = check_and_decrypt_own_tags(zapped_event, config)
elif tag.as_vec()[0] == 'p':
p_tag = tag.as_vec()[1]
elif tag.as_vec()[0] == 'description':
zap_request_event = Event.from_json(tag.as_vec()[1])
sender = check_for_zapplepay(zap_request_event.pubkey().to_hex(),
@@ -249,32 +251,39 @@ def parse_cashu(cashu_token):
print(e)
token = cashu["token"][0]
print(token)
proofs = token["proofs"]
mint = token["mint"]
total_amount = 0
for proof in proofs:
total_amount += proof["amount"]
fees = max(int(total_amount * 0.02), 2)
fees = max(int(total_amount * 0.02), 3)
redeem_invoice_amount = total_amount - fees
return proofs, mint, redeem_invoice_amount
return proofs, mint, redeem_invoice_amount, total_amount
except Exception as e:
print("Could not parse this cashu token")
return None, None, None
return None, None, None, None
def redeem_cashu(cashu, config, client):
proofs, mint, redeem_invoice_amount = parse_cashu(cashu)
def redeem_cashu(cashu, required_amount, config, client) -> (bool, str):
proofs, mint, redeem_invoice_amount, total_amount = parse_cashu(cashu)
fees = total_amount - redeem_invoice_amount
if redeem_invoice_amount <= required_amount:
err = ("Token value (Payment: " + str(total_amount) + " Sats. Fees: " +
str(fees) + " Sats) below required amount of " + str(required_amount)
+ " Sats. Cashu token has not been claimed.")
print("[" + config.NIP89.name + "] " + err)
return False, err
if config.LNBITS_INVOICE_KEY != "":
invoice = create_bolt11_ln_bits(redeem_invoice_amount, config)
else:
user = get_or_add_user(db=config.DB, npub=Keys.from_sk_str(config.PRIVATE_KEY).public_key().to_hex(),
user = get_or_add_user(db=config.DB, npub=config.PUBLIC_KEY,
client=client, config=config)
invoice = create_bolt11_lud16(user.lud16, redeem_invoice_amount)
print(invoice)
if invoice is None:
return False
return False, "couldn't create invoice"
try:
url = mint + "/melt" # Melt cashu tokens at Mint
json_object = {"proofs": proofs, "pr": invoice}
@@ -282,15 +291,17 @@ def redeem_cashu(cashu, config, client):
request_body = json.dumps(json_object).encode('utf-8')
request = requests.post(url, data=request_body, headers=headers)
tree = json.loads(request.text)
is_paid = (tree.get("paid") == "true") if tree.get("detail") else False
if is_paid:
print(request.text)
is_paid = tree["paid"] if tree.get("paid") else "false"
print(is_paid)
if is_paid == "true":
print("token redeemed")
return True
return True, "success"
else:
msg = tree.get("detail").split('.')[0].strip() if tree.get("detail") else None
print(msg)
return False
return False, msg
except Exception as e:
print(e)
return False
return False, ""