Initial commit: snapshot of spesmilo/electrumx 2.0.0

Unmodified source tree of upstream commit 280cb339aa158e099eb936033eecd15719770651
("Merge pull request #389 from SomberNight/202607_release_2_0",
https://github.com/spesmilo/electrumx, release 2.0.0, 3 July 2026).

All Palladium-specific changes are in the commits that follow.

src/electrumx/lib/text.py

@@ -0,0 +1,86 @@
+import time
+
+import electrumx.lib.util as util
+
+
+def sessions_lines(data):
+    '''A generator returning lines for a list of sessions.
+
+    data is the return value of rpc_sessions().'''
+    fmt = ('{:<6} {:<5} {:>17} {:>5} '
+           '{:>7} {:>7} {:>5} {:>5} {:>7} '
+           '{:>7} {:>7} {:>7} {:>7} {:>9} {:>21}')
+    yield fmt.format('ID', 'Flags', 'Client', 'Proto',
+                     'Cost', 'XCost', 'Reqs', 'Txs', 'Subs',
+                     'Recv', 'Recv KB', 'Sent', 'Sent KB', 'Time', 'Peer')
+    for (id_, flags, peer, client, proto, cost, extra_cost, reqs, txs_sent, subs,
+         recv_count, recv_size, send_count, send_size, conn_time) in data:
+        yield fmt.format(id_, flags, client, proto,
+                         f'{int(cost):,d}',
+                         f'{int(extra_cost):,d}',
+                         f'{reqs:,d}',
+                         f'{txs_sent:,d}',
+                         f'{subs:,d}',
+                         f'{recv_count:,d}',
+                         f'{recv_size // 1024:,d}',
+                         f'{send_count:,d}',
+                         f'{send_size // 1024:,d}',
+                         util.formatted_time(conn_time, sep=''), peer)
+
+
+def groups_lines(data):
+    '''A generator returning lines for a list of groups.
+
+    data is the return value of rpc_groups().'''
+
+    fmt = ('{:<14} {:>9} {:>8} {:>8} {:>6} {:>6} {:>8}'
+           '{:>7} {:>9} {:>7} {:>9}')
+    yield fmt.format('Name', 'Sessions', 'Cost', 'Retained', 'Reqs', 'Txs', 'Subs',
+                     'Recv', 'Recv KB', 'Sent', 'Sent KB')
+    for (name, session_count, cost, retained_cost, reqs, txs_sent, subs,
+         recv_count, recv_size, send_count, send_size) in data:
+        yield fmt.format(name,
+                         f'{session_count:,d}',
+                         f'{int(cost):,d}',
+                         f'{int(retained_cost):,d}',
+                         f'{reqs:,d}',
+                         f'{txs_sent:,d}',
+                         f'{subs:,d}',
+                         f'{recv_count:,d}',
+                         f'{recv_size // 1024:,d}',
+                         f'{send_count:,d}',
+                         f'{send_size // 1024:,d}')
+
+
+def peers_lines(data):
+    '''A generator returning lines for a list of peers.
+
+    data is the return value of rpc_peers().'''
+    def time_fmt(t):
+        if not t:
+            return 'Never'
+        return util.formatted_time(now - t)
+
+    now = time.time()
+    fmt = ('{:<62} {:<6} {:>5} {:>5} {:<17} {:>4} '
+           '{:>4} {:>8} {:>11} {:>11} {:>5} {:>20} {:<15}')
+    yield fmt.format('Host', 'Status', 'TCP', 'SSL', 'Server', 'Min',
+                     'Max', 'Pruning', 'Last Good', 'Last Try',
+                     'Tries', 'Source', 'IP Address')
+    for item in data:
+        features = item['features']
+        hostname = item['host']
+        host = features['hosts'][hostname]
+        yield fmt.format(hostname[:62],
+                         item['status'],
+                         host.get('tcp_port') or '',
+                         host.get('ssl_port') or '',
+                         features['server_version'] or 'unknown',
+                         features['protocol_min'],
+                         features['protocol_max'],
+                         features['pruning'] or '',
+                         time_fmt(item['last_good']),
+                         time_fmt(item['last_try']),
+                         item['try_count'],
+                         item['source'][:20],
+                         item['ip_addr'] or '')