Same lightning invoice can be paid twice

Troubleshooting
1

Hi,

Congrats on launching on signet.

I don’t really know if it’s intended or not on signet but I could pay the same lightning invoice twice.

./bark send lntbs1u1pnac9l8sp5xzgddhz6z7uatk2hxvh4npc3ktj5ryjke5f6rzz2rvrqfpgjawnqpp5rxc2mqxwq2rvhp3mdwlw6sy09tels9rx4fy8uenh6xu2wn6eyecqdqhg9exkgznw3hhyefqyvcnvwgxqzjccqp29qxpqysgqwgkqtcp30ecqyv6h6gack9ww8rq0ay8j3hj82f406q8yjgqjtuhxryqutvhcrp4jr0q05g8fd7n3mfw54d5m46lw9f90u0et54rrdsqpq9c5t4
[14:28:45.250  INFO] Connecting to ASP using TLS...
[14:28:45.632  INFO] Syncing wallet...
[14:28:48.390  INFO] Sending bolt11 payment of 0.00000100 BTC to invoice lntbs1u1pnac9l8sp5xzgddhz6z7uatk2hxvh4npc3ktj5ryjke5f6rzz2rvrqfpgjawnqpp5rxc2mqxwq2rvhp3mdwlw6sy09tels9rx4fy8uenh6xu2wn6eyecqdqhg9exkgznw3hhyefqyvcnvwgxqzjccqp29qxpqysgqwgkqtcp30ecqyv6h6gack9ww8rq0ay8j3hj82f406q8yjgqjtuhxryqutvhcrp4jr0q05g8fd7n3mfw54d5m46lw9f90u0et54rrdsqpq9c5t4
[14:28:48.454  INFO] Adding change VTXO of 0.00008710 BTC
[14:28:48.521  INFO] Bolt11 payment succeeded
[14:28:48.521  INFO] Payment preimage received: c4f2a82e22e6334284a26f651e3b72366fd1ec959e1c158d2c178b9065612616
[14:28:48.521  INFO] Payment sent succesfully!
MacBook-Pro-4:bark seb$ ./bark send lntbs1u1pnac9l8sp5xzgddhz6z7uatk2hxvh4npc3ktj5ryjke5f6rzz2rvrqfpgjawnqpp5rxc2mqxwq2rvhp3mdwlw6sy09tels9rx4fy8uenh6xu2wn6eyecqdqhg9exkgznw3hhyefqyvcnvwgxqzjccqp29qxpqysgqwgkqtcp30ecqyv6h6gack9ww8rq0ay8j3hj82f406q8yjgqjtuhxryqutvhcrp4jr0q05g8fd7n3mfw54d5m46lw9f90u0et54rrdsqpq9c5t4
[14:29:16.815  INFO] Connecting to ASP using TLS...
[14:29:17.108  INFO] Syncing wallet...
[14:29:19.311  INFO] Sending bolt11 payment of 0.00000100 BTC to invoice lntbs1u1pnac9l8sp5xzgddhz6z7uatk2hxvh4npc3ktj5ryjke5f6rzz2rvrqfpgjawnqpp5rxc2mqxwq2rvhp3mdwlw6sy09tels9rx4fy8uenh6xu2wn6eyecqdqhg9exkgznw3hhyefqyvcnvwgxqzjccqp29qxpqysgqwgkqtcp30ecqyv6h6gack9ww8rq0ay8j3hj82f406q8yjgqjtuhxryqutvhcrp4jr0q05g8fd7n3mfw54d5m46lw9f90u0et54rrdsqpq9c5t4
[14:29:19.374  INFO] Adding change VTXO of 0.00008280 BTC
[14:29:19.424  INFO] Bolt11 payment succeeded
[14:29:19.424  INFO] Payment preimage received: c4f2a82e22e6334284a26f651e3b72366fd1ec959e1c158d2c178b9065612616
[14:29:19.424  INFO] Payment sent succesfully!
2

Good catch, that shouldn’t be possible. I opened an issue for this. Thank you!

3

@seb For your information, we merged a fix in this PR :slight_smile:

4

Awesome thanks for the feedback

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