Add signature related data in examples

This would have saved me a lot of time and pain. Sure, I should have realized that the document says something paradoxical (signature of the data part.... but the data part includes the signature..... so I should have guessed it meant "excluding the signature"...)

Explicit mention of the signature part might help people. Might not. But helps to be explicit.

Author: junderw

11-payment-encoding.md

@@ -80,8 +80,9 @@ A writer MUST set `timestamp` to the time to
 the number of seconds since Midnight 1 January 1970, UTC in
 big-endian.  A writer MUST set `signature` to a valid
 512-bit secp256k1 signature of the SHA2 256-bit hash of the
-Human Readable Part concatenated with the Data Part and zero bits
-appended to the next byte boundary, with a trailing byte containing
+Human Readable Part, represented as UTF-8 bytes, concatenated with the
+Data Part (excluding the signature) with zero bits appended to pad the
+data to the next byte boundary, with a trailing byte containing
 the recovery ID (0, 1, 2 or 3).
 
 A reader MUST check that the `signature` is valid (see the `n` tagged
@@ -263,6 +264,11 @@ Breakdown:
   * `2pkx2ctnv5sxxmmwwd5kgetjypeh2ursdae8g6twvus8g6rfwvs8qun0dfjkxaq`: 'Please consider supporting this project'
 * `8rkx3yf5tcsyz3d73gafnh3cax9rn449d9p5uxz9ezhhypd0elx87sjle52x86fux2ypatgddc6k63n7erqz25le42c4u4ecky03ylcq`: signature
 * `ca784w`: Bech32 checksum
+* Signature breakdown:
+  * `38ec6891345e204145be8a3a99de38e98a39d6a569434e1845c8af7205afcfcc7f425fcd1463e93c32881ead0d6e356d467ec8c02553f9aab15e5738b11f127f` hex of signature data (32 byte r, 32 byte s)
+  * `0` (int) recovery flag contained in `signature`
+  * `6c6e62630b25fe64410d00004080c1014181c20240004080c1014181c20240004080c1014181c202404081a1fa83632b0b9b29031b7b739b4b232b91039bab83837b93a34b733903a3434b990383937b532b1ba0` hex of data for signing (prefix + data after separator up to the start of the signature)
+  * `c3d4e83f646fa79a393d75277b1d858db1d1f7ab7137dcb7835db2ecd518e1c9` hex of SHA256 of the preimage
 
 > ### Please send $3 for a cup of coffee to the same peer, within 1 minute
 > lnbc2500u1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdq5xysxxatsyp3k7enxv4jsxqzpuaztrnwngzn3kdzw5hydlzf03qdgm2hdq27cqv3agm2awhz5se903vruatfhq77w3ls4evs3ch9zw97j25emudupq63nyw24cg27h2rspfj9srp
@@ -282,6 +288,11 @@ Breakdown:
   * `pu`: 60 seconds (`p` = 1, `u` = 28.  1 * 32 + 28 == 60)
 * `aztrnwngzn3kdzw5hydlzf03qdgm2hdq27cqv3agm2awhz5se903vruatfhq77w3ls4evs3ch9zw97j25emudupq63nyw24cg27h2rsp`: signature
 * `fj9srp`: Bech32 checksum
+* Signature breakdown:
+  * `e89639ba6814e36689d4b91bf125f10351b55da057b00647a8dabaeb8a90c95f160f9d5a6e0f79d1fc2b964238b944e2fa4aa677c6f020d466472ab842bd750e` hex of signature data (32 byte r, 32 byte s)
+  * `1` (int) recovery flag contained in `signature`
+  * `6c6e626332353030750b25fe64410d00004080c1014181c20240004080c1014181c20240004080c1014181c202404081a0a189031bab81031b7b33332b2818020f00` hex of data for signing (prefix + data after separator up to the start of the signature)
+  * `3cd6ef07744040556e01be64f68fd9e1565fb47d78c42308b1ee005aca5a0d86` hex of SHA256 of the preimage
 
 > ### Now send $24 for an entire list of things (hashed)
 > lnbc20m1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqscc6gd6ql3jrc5yzme8v4ntcewwz5cnw92tz0pc8qcuufvq7khhr8wpald05e92xw006sq94mg8v2ndf4sefvf9sygkshp5zfem29trqq2yxxz7
@@ -298,6 +309,11 @@ Breakdown:
   * `8yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqs`: SHA256 of 'One piece of chocolate cake, one icecream cone, one pickle, one slice of swiss cheese, one slice of salami, one lollypop, one piece of cherry pie, one sausage, one cupcake, and one slice of watermelon'
 * `cc6gd6ql3jrc5yzme8v4ntcewwz5cnw92tz0pc8qcuufvq7khhr8wpald05e92xw006sq94mg8v2ndf4sefvf9sygkshp5zfem29trqq`: signature
 * `2yxxz7`: Bech32 checksum
+* Signature breakdown:
+  * `c63486e81f8c878a105bc9d959af1973854c4dc552c4f0e0e0c7389603d6bdc67707bf6be992a8ce7bf50016bb41d8a9b5358652c4960445a170d049ced4558c` hex of signature data (32 byte r, 32 byte s)
+  * `0` (int) recovery flag contained in `signature`
+  * `6c6e626332306d0b25fe64410d00004080c1014181c20240004080c1014181c20240004080c1014181c202404082e1a1c92db7b3f161a001b7689049eea2701b46f8db7513629edf2408fac7eaedc60800` hex of data for signing (prefix + data after separator up to the start of the signature)
+  * `b6025e8a10539dddbcbe6840a9650707ae3f147b8dcfda338561ada710508916` hex of SHA256 of the preimage
 
 > ### The same, on testnet, with a fallback address mk2QpYatsKicvFVuTAQLBryyccRXMUaGHP
 > lntb20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfpp3x9et2e20v6pu37c5d9vax37wxq72un98kmzzhznpurw9sgl2v0nklu2g4d0keph5t7tj9tcqd8rexnd07ux4uv2cjvcqwaxgj7v4uwn5wmypjd5n69z2xm3xgksg28nwht7f6zspwp3f9t
@@ -316,6 +332,11 @@ Breakdown:
 * `h`: tagged field: hash of description...
 * `kmzzhznpurw9sgl2v0nklu2g4d0keph5t7tj9tcqd8rexnd07ux4uv2cjvcqwaxgj7v4uwn5wmypjd5n69z2xm3xgksg28nwht7f6zsp`: signature
 * `wp3f9t`: Bech32 checksum
+* Signature breakdown:
+  * `b6c42b8a61e0dc5823ea63e76ff148ab5f6c86f45f9722af0069c7934daff70d5e315893300774c897995e3a7476c8193693d144a36e2645a0851e6ebafc9d0a` hex of signature data (32 byte r, 32 byte s)
+  * `1` (int) recovery flag contained in `signature`
+  * `6c6e746232306d0b25fe64570d0e496dbd9f8b0d000dbb44824f751380da37c6dba89b14f6f92047d63f576e304021a000081018202830384048000810182028303840480008101820283038404808102421898b95ab2a7b341e47d8a34ace9a3e7181e5726538` hex of data for signing (prefix + data after separator up to the start of the signature)
+  * `00c17b39642becc064615ef196a6cc0cce262f1d8dde7b3c23694aeeda473abe` hex of SHA256 of the preimage
 
 > ### On mainnet, with fallback address 1RustyRX2oai4EYYDpQGWvEL62BBGqN9T with extra routing info to go via nodes 029e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255 then 039e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255
 > lnbc20m1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqsfpp3qjmp7lwpagxun9pygexvgpjdc4jdj85fr9yq20q82gphp2nflc7jtzrcazrra7wwgzxqc8u7754cdlpfrmccae92qgzqvzq2ps8pqqqqqqpqqqqq9qqqvpeuqafqxu92d8lr6fvg0r5gv0heeeqgcrqlnm6jhphu9y00rrhy4grqszsvpcgpy9qqqqqqgqqqqq7qqzqj9n4evl6mr5aj9f58zp6fyjzup6ywn3x6sk8akg5v4tgn2q8g4fhx05wf6juaxu9760yp46454gpg5mtzgerlzezqcqvjnhjh8z3g2qqdhhwkj
@@ -337,6 +358,11 @@ Breakdown:
     `q20q82gphp2nflc7jtzrcazrra7wwgzxqc8u7754cdlpfrmccae92qgzqvzq2ps8pqqqqqqqqqqqq9qqqvpeuqafqxu92d8lr6fvg0r5gv0heeeqgcrqlnm6jhphu9y00rrhy4grqszsvpcgpy9qqqqqqqqqqqq7qqzq`: pubkey `029e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255`, `short_channel_id` 0102030405060708, `fee_base_msat` 1 millisatoshi, `fee_proportional_millionths` 20, `cltv_expiry_delta` 3.  pubkey `039e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255`, `short_channel_id` 030405060708090a, `fee_base_msat` 2 millisatoshi, `fee_proportional_millionths` 30, `cltv_expiry_delta` 4.
 * `j9n4evl6mr5aj9f58zp6fyjzup6ywn3x6sk8akg5v4tgn2q8g4fhx05wf6juaxu9760yp46454gpg5mtzgerlzezqcqvjnhjh8z3g2qq`: signature
 * `dhhwkj`: Bech32 checksum
+* Signature breakdown:
+  * `91675cb3fad8e9d915343883a49242e074474e26d42c7ed914655689a8074553733e8e4ea5ce9b85f69e40d755a55014536b12323f8b220600c94ef2b9c51428` hex of signature data (32 byte r, 32 byte s)
+  * `0` (int) recovery flag contained in `signature`
+  * `6c6e626332306d0b25fe64410d00004080c1014181c20240004080c1014181c20240004080c1014181c202404082e1a1c92db7b3f161a001b7689049eea2701b46f8db7513629edf2408fac7eaedc60824218825b0fbee0f506e4ca122326620326e2b26c8f448ca4029e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255010203040506070800000001000000140003039e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255030405060708090a000000020000001e00040` hex of data for signing (prefix + data after separator up to the start of the signature)
+  * `ff68246c5ad4b48c90cf8ff3b33b5cea61e62f08d0e67910ffdce1edecade71b` hex of SHA256 of the preimage
 
 > ### On mainnet, with fallback (P2SH) address 3EktnHQD7RiAE6uzMj2ZifT9YgRrkSgzQX
 > lnbc20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfppj3a24vwu6r8ejrss3axul8rxldph2q7z9kmrgvr7xlaqm47apw3d48zm203kzcq357a4ls9al2ea73r8jcceyjtya6fu5wzzpe50zrge6ulk4nvjcpxlekvmxl6qcs9j3tz0469gq5g658y
@@ -355,6 +381,11 @@ Breakdown:
 * `h`: tagged field: hash of description...
 * `kmrgvr7xlaqm47apw3d48zm203kzcq357a4ls9al2ea73r8jcceyjtya6fu5wzzpe50zrge6ulk4nvjcpxlekvmxl6qcs9j3tz0469gq`: signature
 * `5g658y`: Bech32 checksum
+* Signature breakdown:
+  * `b6c6860fc6ff41bafba1745b538b6a7c6c2c0234f76bf817bf567be88cf2c632492c9dd279470841cd1e21a33ae7ed59b25809bf9b3366fe81881651589f5d15` hex of signature data (32 byte r, 32 byte s)
+  * `0` (int) recovery flag contained in `signature`
+  * `6c6e626332306d0b25fe64570d0e496dbd9f8b0d000dbb44824f751380da37c6dba89b14f6f92047d63f576e304021a000081018202830384048000810182028303840480008101820283038404808102421947aaab1dcd0cf990e108f4dcf9c66fb437503c228` hex of data for signing (prefix + data after separator up to the start of the signature)
+  * `64f1ff500bcc62a1b211cd6db84a1d93d1f77c6a132904465b6ff912420176be` hex of SHA256 of the preimage
 
 > ### On mainnet, with fallback (P2WPKH) address bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4
 > lnbc20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfppqw508d6qejxtdg4y5r3zarvary0c5xw7kepvrhrm9s57hejg0p662ur5j5cr03890fa7k2pypgttmh4897d3raaq85a293e9jpuqwl0rnfuwzam7yr8e690nd2ypcq9hlkdwdvycqa0qza8
@@ -371,6 +402,11 @@ Breakdown:
 * `h`: tagged field: hash of description...
 * `epvrhrm9s57hejg0p662ur5j5cr03890fa7k2pypgttmh4897d3raaq85a293e9jpuqwl0rnfuwzam7yr8e690nd2ypcq9hlkdwdvycq`: signature
 * `a0qza8`: Bech32 checksum
+* Signature breakdown:
+  * `c8583b8f65853d7cc90f0eb4ae0e92a606f89caf4f7d65048142d7bbd4e5f3623ef407a75458e4b20f00efbc734f1c2eefc419f3a2be6d51038016ffb35cd613` hex of signature data (32 byte r, 32 byte s)
+  * `0` (int) recovery flag contained in `signature`
+  * `6c6e626332306d0b25fe64570d0e496dbd9f8b0d000dbb44824f751380da37c6dba89b14f6f92047d63f576e304021a00008101820283038404800081018202830384048000810182028303840480810242103a8f3b740cc8cb6a2a4a0e22e8d9d191f8a19deb0` hex of data for signing (prefix + data after separator up to the start of the signature)
+  * `b3df27aaa01d891cc9de272e7609557bdf4bd6fd836775e4470502f71307b627` hex of SHA256 of the preimage
 
 > ### On mainnet, with fallback (P2WSH) address bc1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qccfmv3
 > lnbc20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfp4qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q28j0v3rwgy9pvjnd48ee2pl8xrpxysd5g44td63g6xcjcu003j3qe8878hluqlvl3km8rm92f5stamd3jw763n3hck0ct7p8wwj463cql26ava
@@ -387,6 +423,11 @@ Breakdown:
 * `h`: tagged field: hash of description...
 * `28j0v3rwgy9pvjnd48ee2pl8xrpxysd5g44td63g6xcjcu003j3qe8878hluqlvl3km8rm92f5stamd3jw763n3hck0ct7p8wwj463cq`: signature
 * `l26ava`: Bech32 checksum
+* Signature breakdown:
+  * `51e4f6446e410a164a6da9f39507e730c26241b4456ab6ea28d1b12c71ef8ca20c9cfe3dffc07d9f8db671ecaa4d20beedb193bda8ce37c59f85f82773a55d47` hex of signature data (32 byte r, 32 byte s)
+  * `0` (int) recovery flag contained in `signature`
+  * `6c6e626332306d0b25fe64570d0e496dbd9f8b0d000dbb44824f751380da37c6dba89b14f6f92047d63f576e304021a00008101820283038404800081018202830384048000810182028303840480810243500c318a1e0a628b34025e8c9019ab6d09b64c2b3c66a693d0dc63194b02481931000` hex of data for signing (prefix + data after separator up to the start of the signature)
+  * `399a8b167029fda8564fd2e99912236b0b8017e7d17e416ae17307812c92cf42` hex of SHA256 of the preimage
 
 # Authors