common: invoice backwards compat snapshot test

The long invoice tests work on LDK 0.0.125 but fail on LDK 0.1.0.
Awaiting PR: <lightningdevkit/rust-lightning#3665>

Author: phlip9

common/src/ln/invoice.rs

@@ -191,7 +191,7 @@ mod arbitrary_impl {
             });
             let network = any::<LxNetwork>();
             let description_or_hash =
-                result::maybe_ok(arbitrary::any_string(), bytes32);
+                result::maybe_ok(arbitrary::any_simple_string(), bytes32);
             let timestamp = (0..MAX_TIMESTAMP).prop_map(Duration::from_secs);
 
             let payment_secret = bytes32;
@@ -350,9 +350,38 @@ mod test {
     use crate::{
         rng::FastRng,
         root_seed::RootSeed,
-        test_utils::{arbitrary, roundtrip},
+        test_utils::{arbitrary, roundtrip, snapshot},
     };
 
+    #[test]
+    fn invoice_deser_compat() {
+        let inputs = r#"
+--- amount-less invoice, no description, Lexe.app
+lnbc1pnap4p0dqqpp5e6wxwnkvtsf9eehvqg3q04wm0rv2vlmaswky4naakc083kxa439qcqpcsp5k8vexrcrthdcdyazfv3c7r8za7mw3sl9c6hefwu0ll3ef8uwzu0q9qyysgqxqyz5vqnp4q0w73a6xytxxrhuuvqnqjckemyhv6avveuftl64zzm5878vq3zr4jrzjqv22wafr68wtchd4vzq7mj7zf2uzpv67xsaxcemfzak7wp7p0r29wz0nfsqq0mgqqvqqqqqqqqqqhwqqfqawdgj4wyt2gcp2k6yqwzdpymmlgearh5hu8vz24r5my73vdv3zuyyra8yxa9zkf26fvjf8ru3rfjamq9agkw6ta9wect076du6p3mvcp9w4lu3
+--- 50 sat invoice w/ description, Lexe.app
+lnbc500n1pnapns2dq68skjqnr90pjjqstwv3ex76tyyqpp54yl0p0ezxl2qasdc0ect5tmxj9rdcxry7paszzdpfa5ka79t4jgscqpcsp5fc7u3hs62lr9d77xkwnjaa4fs2fch99lh96gh40kzgnufq2rvmks9qyysgqxqyz5vqnp4q0vzagw8x7r9eyalw35t0u6syql8rtqf9tejep0z6xrwkqrua5advrzjqv22wafr68wtchd4vzq7mj7zf2uzpv67xsaxcemfzak7wp7p0r29wz2g6uqqt5cqqcqqqqqqqqqqhwqqfqfhue440klc35tlmacewtk6sm3jxvkf8ddcvpggfqf4xj6mny6s7zvjwjqrjy4map9av4t82vtxrqlcqnedlwp67l6zw2x3ctf8a6amgp9v6j74
+--- mainnet
+lnbc16617464075412908110p1du587g2hp5j25fhdvhz66tctmq6xga76mdddz62xm7fk6n7alekxd4d8y2rqyspp5axv2wz5w2upckqf0exq3wwg09kkha9zushwm6tzmqsenkgafeyeqsp5usuarqswxgkpk6skvydnyaw56xpv400xy0auh8zjg3r4t9mqp8fs9qyysgqcqypvxfx04nrfq3khmpat4e9k5a2d52eup290rkts344t7z942zzhmk70h9ywtwu6kqc8hpx3af6tjakute4xq29h3rhdq50vcecjrxredxh0gqlm8nvn
+--- regtest
+lnbcrt280u1pnxywwgdqqpp52t2fd5p8kuqn370uae3f3vezj6mjlzsuynfgkd9533xqp3vyd44scqpcsp5truuwxdmk38t9zad3al685uw6a4yg0gncg8p8yzy69asy7rz3uyq9qyysgqxqrrssnp4qfjfnyxh2n3yh2d9fqt293lfahnzfllg4qj2cu9lz04e97u2njx6vrzjqdd8p4z7a3l0kfcrr8c3d2tggfg2ed809q4zd5scwjrculzs3rmnkqqqqyqqrasqq5qqqqqqqqqqhwqqfqkqddwf80knvfd5naznztzzfm9glx7v8lhchjljjxnhknre9rwd6y3qcjn92ewl9dquc60jxhh8e0d6pd9ejsskutyr6rp6xpc0ex36spnalh5l
+--- long invoice 1
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
+--- long invoice 2
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
+--- long invoice 3
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
+--- long invoice 4
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
+--- long invoice 5
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
+"#;
+        for input in snapshot::parse_sample_data(inputs) {
+            let invoice = LxInvoice::from_str(input).unwrap();
+            let invoice_str = invoice.to_string();
+            assert_eq!(input, invoice_str);
+        }
+    }
+
     #[test]
     fn invoice_serde_roundtrip() {
         roundtrip::json_string_roundtrip_proptest::<LxInvoice>();