Fix and enforce BIP 2 & 3 field ordering

bip-0077.md

@@ -5,13 +5,13 @@
   Author: Dan Gould <d@ngould.dev>
           Yuval Kogman <nothingmuch@woobling.org>
   Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0077
-  Post-History: https://github.com/bitcoin/bips/pull/1483
-                https://gnusha.org/pi/bitcoindev/7B11AE34-27A7-46ED-95BF-66CA13BA26F3@ngould.dev/#t
-                https://gnusha.org/pi/bitcoindev/3C0A6E4C-444E-4E75-829C-1A21D8EE40E0@ngould.dev/#t
   Status: Draft
   Type: Standards Track
   Created: 2023-08-08
   License: BSD-2-Clause
+  Post-History: https://github.com/bitcoin/bips/pull/1483
+                https://gnusha.org/pi/bitcoindev/7B11AE34-27A7-46ED-95BF-66CA13BA26F3@ngould.dev/#t
+                https://gnusha.org/pi/bitcoindev/3C0A6E4C-444E-4E75-829C-1A21D8EE40E0@ngould.dev/#t
   Requires: 21, 78, 173, 174
 ```
 

bip-0078.mediawiki

@@ -3,13 +3,13 @@
   Layer: Applications
   Title: A Simple Payjoin Proposal
   Author: Nicolas Dorier <nicolas.dorier@gmail.com>
-  Replaces: 79
   Comments-Summary: No comments yet.
   Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0078
   Status: Draft
   Type: Standards Track
   Created: 2019-05-01
   License: BSD-2-Clause
+  Replaces: 79
 </pre>
 
 ==Introduction==

bip-0326.mediawiki

@@ -3,10 +3,10 @@
   Layer: Applications
   Title: Anti-fee-sniping in taproot transactions
   Author: Chris Belcher <belcher@riseup.net>
-  Status: Draft
-  Type: Informational
   Comments-Summary: No comments yet.
   Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0326
+  Status: Draft
+  Type: Informational
   Created: 2021-06-10
   License: CC0-1.0
   Post-History: 2021-6-10: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2021-June/019048.html

bip-0327.mediawiki

@@ -4,13 +4,13 @@
   Author: Jonas Nick <jonasd.nick@gmail.com>
           Tim Ruffing <crypto@timruffing.de>
           Elliott Jin <elliott.jin@gmail.com>
+  Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0327
   Status: Active
-  License: BSD-3-Clause
   Type: Informational
   Created: 2022-03-22
+  License: BSD-3-Clause
   Post-History: 2022-04-05: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2022-April/020198.html [bitcoin-dev] MuSig2 BIP
                 2022-10-11: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2022-October/021000.html [bitcoin-dev] MuSig2 BIP
-  Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0327
 </pre>
 
 == Introduction ==

bip-0340.mediawiki

@@ -8,11 +8,11 @@
   Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0340
   Status: Final
   Type: Standards Track
+  Created: 2020-01-19
   License: BSD-2-Clause
   License-Code: BSD-2-Clause
                 MIT
                 CC0-1.0
-  Created: 2020-01-19
   Post-History: 2018-07-06: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-July/016203.html [bitcoin-dev] Schnorr signatures BIP
 </pre>
 

bip-0341.mediawiki

@@ -11,9 +11,9 @@
   Type: Standards Track
   Created: 2020-01-19
   License: BSD-3-Clause
-  Requires: 340
   Post-History: 2019-05-06: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-May/016914.html [bitcoin-dev] Taproot proposal
                 2019-10-09: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-October/017378.html [bitcoin-dev] Taproot updates
+  Requires: 340
 </pre>
 
 ==Introduction==

bip-0342.mediawiki

@@ -11,8 +11,8 @@
   Type: Standards Track
   Created: 2020-01-19
   License: BSD-3-Clause
-  Requires: 340, 341
   Post-History: 2019-05-06: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-May/016914.html [bitcoin-dev] Taproot proposal
+  Requires: 340, 341
 </pre>
 
 ==Introduction==

bip-0350.mediawiki

@@ -9,8 +9,8 @@
   Type: Standards Track
   Created: 2020-12-16
   License: BSD-2-Clause
-  Replaces: 173
   Post-History: 2021-01-05: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2021-January/018338.html [bitcoin-dev] Bech32m BIP: new checksum, and usage for segwit address
+  Replaces: 173
 </pre>
 
 ==Introduction==

bip-0374.mediawiki

@@ -8,8 +8,8 @@
   Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0374
   Status: Draft
   Type: Standards Track
-  License: BSD-2-Clause
   Created: 2024-12-26
+  License: BSD-2-Clause
   Post-History: https://gist.github.com/andrewtoth/df97c3260cc8d12f09d3855ee61322ea
                 https://groups.google.com/g/bitcoindev/c/MezoKV5md7s
 </pre>

scripts/buildtable.pl

@@ -37,6 +37,30 @@
 	'Requires' => undef,
 	'Superseded-By' => undef,
 );
+my @FieldOrder = qw(
+	BIP
+	Layer
+	Title
+	Author
+	Authors
+	Editor
+	Deputies
+	Discussions-To
+	Comments-Summary
+	Comments-URI
+	Status
+	Type
+	Created
+	License
+	License-Code
+	Discussion
+	Post-History
+	Version
+	Requires
+	Replaces
+	Proposed-Replacement
+	Superseded-By
+);
 
 my %ValidLayer = (
 	'Consensus (soft fork)' => undef,
@@ -114,7 +138,7 @@
 	}
 	my %found;
 	my ($title, $author, $status, $type, $layer);
-	my ($field, $val);
+	my ($field, $val, @field_order);
 	while (<$F>) {
 		last if ($is_markdown && m[^```$]);
 		last if (!$is_markdown && m[^</pre>$]);
@@ -182,13 +206,18 @@
 			die "Unknown field $field in $fn";
 		}
 		++$found{$field};
+		push @field_order, $field unless @field_order and $field_order[-1] eq $field;
 	}
 	if (not $found{License}) {
 		die "Missing License in $fn" unless exists $TolerateMissingLicense{$bipnum};
 	}
 	for my $field (keys %RequiredFields) {
 		die "Missing $field in $fn" unless $found{$field};
 	}
+	my @expected_field_order = grep { exists $found{$_} } @FieldOrder;
+	if ("@expected_field_order" ne "@field_order") {
+		die "Field order is incorrect in $fn, should be:\n\t" . join(", ", @expected_field_order) . "\nbut contains:\n\t" . join(", ", @field_order);
+	}
 	print "|-";
 	if (defined $ValidStatus{$status}) {
 		print " style=\"" . $ValidStatus{$status} . "\"";