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.

contrib/daemontools/env/COIN

@@ -0,0 +1 @@
+Bitcoin

contrib/daemontools/env/DAEMON_URL

@@ -0,0 +1 @@
+http://username:password@host:port/

contrib/daemontools/env/DB_DIRECTORY

@@ -0,0 +1 @@
+/path/to/db/directory

contrib/daemontools/env/ELECTRUMX

@@ -0,0 +1 @@
+/path/to/electrumx_server

contrib/daemontools/env/NET

@@ -0,0 +1 @@
+mainnet

contrib/daemontools/env/USERNAME

@@ -0,0 +1 @@
+electrumx

contrib/daemontools/log/run

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec multilog s500000 n10 /path/to/log/dir

contrib/daemontools/run

@@ -0,0 +1,5 @@
+#!/bin/sh
+echo "Launching ElectrumX server..."
+USERNAME=$(envdir ./env printenv USERNAME)
+ELECTRUMX=$(envdir ./env printenv ELECTRUMX)
+ulimit -n 4000 && exec 2>&1 envdir ./env envuidgid $USERNAME python3 $ELECTRUMX