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6 Commits

Author SHA1 Message Date
Rusty Russell f0fa5d1401 offers: handle re-fetching the same invoice twice. 
We get a label clash: easy, just re-serve:

```
2021-02-18T04:29:37.474Z **BROKEN** plugin-offers: Failed invoice_request lnr1qgsqvgnwgcg35z6ee2h3yczraddm72xrfua9uve2rlrm9deu7xyfzrcyyqwtp0rmsgquvuacqcl5cdfzwzmu3v8tqgvpqs8e80dlmxm7ey4xwrqdsqqqqqqqqqqqqqqqq2pqqfqpqynzqzx9rylzy40ernj4jzc3p2dwy3n8x6lqeaywwk725ghx4kx63pcfxgg2z3nsn80jzge06nt3ks8pr6rvnujq48376lpmrr3cq04nurpy783eyr0awh5773lrlmjek07rjf0nx4g9235ulkcs7jp2h5gumjyquhadh846da3jptxm9g0qz5lne4hjhag for offer 1cb0bc7b8201c673b8063f4c352270b7c8b0eb02181040f93bdbfd9b7ec92a67: Got JSON error: {\"code\":900,\"message\":\"Duplicate label\",\"data\":{\"label\":\"1cb0bc7b8201c673b8063f4c352270b7c8b0eb02181040f93bdbfd9b7ec92a67-08c5193e2255f91ce5590b110a9ae2466736be0cf48e75bcaa22e6ad8da88709-1\",\"bolt12\":\"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\",\"payment_hash\":\"396250395aa046f4c58162a5ae31952d01bd0c8e5213f32e748ec428a9379cd2\",\"msatoshi\":7700446,\"amount_msat\":\"7700446msat\",\"status\":\"unpaid\",\"description\":\"Weekly coffee for rusty!\",\"expires_at\":1614832137,\"local_offer_id\":\"1cb0bc7b8201c673b8063f4c352270b7c8b0eb02181040f93bdbfd9b7ec92a67\"}}
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2021-02-25 14:44:03 +10:30
Rusty Russell af46a4f57d fetchinvoice: allow amounts to be specified. 
As per lastest revision of the spec, we can specify amounts in invoice
requests even if the offer already specifies it, as long as we exceed
the amount given.  This allows for tipping, and amount obfuscation.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2021-01-09 12:45:31 +01:00
Rusty Russell 4bb05e46e9 offers: convert currency when they request an invoice. 
Means a reshuffle of our logic: we want to multiply by quantity before
conversion for maximum accuracy.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2021-01-09 12:45:31 +01:00
Rusty Russell 6d1fe7e599 plugin/offers: hoist send_onion_reply into core. 
We want to reuse it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2021-01-09 14:34:35 +10:30
Rusty Russell 52af729641 plugins/offer and plugins/fetchinvoice: send and recv errors. 
This also lets us extend our testing to cover error cases.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2020-12-23 14:24:39 +01:00
Rusty Russell 9d75fbe237 plugins/offers: add code to catch invoice_request onion messages. 
We prepare an invoice, but there's no code to send an error reply yet
(future patch).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2020-12-23 14:24:39 +01:00