From f21d5b4f9ddc0a77548eb65056f3a5ad5c308763 Mon Sep 17 00:00:00 2001
From: b0xxer <barry@a9.local>
Date: Sat, 10 Feb 2024 08:08:09 -0600
Subject: [PATCH] modified btc_init to be freshly generated on each launch

---
 roles/build/files/bitcoin/bin/btc_init | 73 +++++++++++++++-----------
 1 file changed, 42 insertions(+), 31 deletions(-)

diff --git a/roles/build/files/bitcoin/bin/btc_init b/roles/build/files/bitcoin/bin/btc_init
index 7ae205f..c7c60d3 100644
--- a/roles/build/files/bitcoin/bin/btc_init
+++ b/roles/build/files/bitcoin/bin/btc_init
@@ -2,50 +2,61 @@
 
 set -ex
 
-# This shouldn't be in the Dockerfile or containers built from the same image
-# will have the same credentials.
-if [ ! -e "$HOME/.bitcoin/bitcoin.conf" ]; then
-    mkdir -p $HOME/.bitcoin
+mkdir -p $HOME/.bitcoin
 
-    echo "Creating bitcoin.conf"
+if [ -f "$HOME/.bitcoin/bitcoin.conf" ];
+then
+  echo "Backing up bitcoin.conf"
+  TMPEXT=$(date +%Y.%m.%d.%H.%M.%S)
+  mv $HOME/.bitcoin/bitcoin.conf $HOME/.bitcoin/bitcoin.conf.bak.$TMPEXT
+fi
+
+echo "Creating bitcoin.conf"
+
+# Seed a random password for JSON RPC server
+cat <<EOF > $HOME/.bitcoin/bitcoin.conf
+#
+#Do not modify this file as it is autogenerated. 
+#You can either (a) Modify this template "btc_init" in build or
+# (b) You can pass a variable name as env variable during container launch
+# The variable names are printed to right of each item
+#
 
-    # Seed a random password for JSON RPC server
-    cat <<EOF > $HOME/.bitcoin/bitcoin.conf
 # network
-mainnet=${MAINNET:-1}
-testnet=${TESTNET:-0}
-regtest=${REGTEST:-0}
+mainnet=${MAINNET:-1}             # MAINNET
+testnet=${TESTNET:-0}             # TESTNET
+regtest=${REGTEST:-0}             # REGTEST
 
 # server
-server=${SERVER:-1}
-listen=${LISTEN:-1}
-listenonion=${LISTENONION:-0}
-daemon=${DAEMON:-0}
-txindex=${TXINDEX=-1}
-prune=${PRUNE=-0}
-disablewallet=${DISABLEWALLET:-1}
-printtoconsole=${PRINTTOCONSOLE:-1}
+server=${SERVER:-1}               # SERVER
+listen=${LISTEN:-1}               # LISTEN
+listenonion=${LISTENONION:-0}     # LISTENONION
+daemon=${DAEMON:-0}               # DAEMON
+txindex=${TXINDEX=-1}             # TXINDEX
+prune=${PRUNE=-0}                 # PRUNE
+disablewallet=${DISABLEWALLET:-1} # DISABLEWALLET
+printtoconsole=${PRINTTOCONSOLE:-1} # PRINTCONSOLE
 
 # rpc
-rpcuser=${RPCUSER:-bitcoinrpc}
-rpcpassword=${RPCPASSWORD:-`dd if=/dev/urandom bs=33 count=1 2>/dev/null | base64`}
-#rpcconnect=${RPCCONNECT:-127.0.0.1}
-#rpcport=${RPCPORT:-8332}
-#rpcauth=${RPCAUTH:-xxx}
+rpcuser=${RPCUSER:-bitcoinrpc}    # RPCUSER
+rpcpassword=${RPCPASSWORD:-`dd if=/dev/urandom bs=33 count=1 2>/dev/null | base64`} # RPCPASSWORD
+#rpcconnect=${RPCCONNECT:-127.0.0.1} # RPCCONNECT
+#rpcport=${RPCPORT:-8332}         # RPCPORT
+#rpcauth=${RPCAUTH:-xxx}          # RPCPORT
 
 # performance
-dbcache=${DBCACHE=-2000}
-maxconnections=${MAXCONNECTIONS=-40}
-maxuploadtarget=${MAXUPLOADTARGET=-5000}
+dbcache=${DBCACHE=-2000}          # DBCACHE
+maxconnections=${MAXCONNECTIONS=-40} # MAXCONNECTIONS
+maxuploadtarget=${MAXUPLOADTARGET=-5000} # MAXUPLOADTARGET
 
 # tor
-#proxy=${PROXY:-127.0.0.1:9050}
-#seednode=${SEEDNODE1:-nkf5e6b7pl4jfd4a.onion}
-#seednode=${SEEDNODE2:-xqzfakpeuvrobvpj.onion}
-#seednode=${SEEDNODE3:-tsyvzsqwa2kkf6b2.onion}
+#proxy=${PROXY:-127.0.0.1:9050}   # PROXY
+#seednode=${SEEDNODE1:-nkf5e6b7pl4jfd4a.onion} # SEEDNODE1
+#seednode=${SEEDNODE2:-xqzfakpeuvrobvpj.onion} # SEEDNODE2
+#seednode=${SEEDNODE3:-tsyvzsqwa2kkf6b2.onion} # SEEDNODE3
 
 # validation
-reindex-chainstate=${REINDEXCHAINSTATE=-0}
+reindex-chainstate=${REINDEXCHAINSTATE=-0} # REINDEXCHAINSTATE
 
 EOF