From 25b9acb6a9a16d685d92862436f898a0022b8cdf Mon Sep 17 00:00:00 2001
From: Scott Buckel <scott.buckel@iohk.io>
Date: Mon, 8 Dec 2025 12:40:45 -0500
Subject: [PATCH] Add ability to connect to preview

---
 .envrc      | 13 +++++++++----
 compose.yml |  4 +++-
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/.envrc b/.envrc
index c642786..0c35b4c 100644
--- a/.envrc
+++ b/.envrc
@@ -1,8 +1,13 @@
 # If your on windows use wsl / git bash / cygwin / msys2 with direnv
 
-export CFG_PRESET=testnet-02
+export CFG_PRESET=preview
+export MIDNIGHT_NODE_IMAGE="ghcr.io/midnight-ntwrk/midnight-node:0.18.0-rc.7"
+#export BOOTNODES="/dnsaddr/bootnodes.preview.midnight.network"
+#export BOOTNODES="/dns/bootnodes.preview.midnight.network"
+#export ARGS="--bootnodes /dns/midnight-7-midnight-node-boot-07/tcp/30333/ws/p2p/12D3KooWK66i7dtGVNSwDh9tTeqov1q6LSdWsRLJvTyzTCaywYgK --bootnodes /dns/bootnodes.preview.midnight.network/tcp/30333/ws/p2p/12D3KooWK66i7dtGVNSwDh9tTeqov1q6LSdWsRLJvTyzTCaywYgK --tracing-targets=info --rpc-methods unsafe --unsafe-rpc-external --state-pruning archive --blocks-pruning archive --rpc-cors=all --tx-ban-seconds 18000 --no-prometheus --no-telemetry"
+export ARGS="--bootnodes /dns/bootnode-1.preview.midnight.network/tcp/30333/ws/p2p/12D3KooWK66i7dtGVNSwDh9tTeqov1q6LSdWsRLJvTyzTCaywYgK --bootnodes /dns/bootnode-2.preview.midnight.network/tcp/30333/ws/p2p/12D3KooWHqFfXFwb7WW4jwR8pr4BEf562v5M6c8K3CXAJq4Wx6ym --tracing-targets=info --rpc-methods unsafe --unsafe-rpc-external --rpc-cors=all --tx-ban-seconds 18000 --no-prometheus --no-telemetry"
 
-source ./.envrc.${CFG_PRESET}
+#source ./.envrc.${CFG_PRESET}
 
 # This repository only accepts signed commits:
 
@@ -35,7 +40,7 @@ export DB_SYNC_POSTGRES_CONNECTION_STRING="psql://$POSTGRES_USER:$POSTGRES_PASSW
 
 # To start with debug logs, add "-l debug" to APPEND_ARGS
 # To expose safe rpc method to the host port 9944, add "--unsafe-rpc-external" to APPEND_ARGS or  --validator
-export APPEND_ARGS="--allow-private-ip --pool-limit 10 --trie-cache-size 0 --prometheus-external --rpc-external --rpc-cors all"
+#export APPEND_ARGS="--allow-private-ip --pool-limit 10 --trie-cache-size 0 --prometheus-external --rpc-external --rpc-cors all"
 
 
 # Validator Values:
@@ -50,6 +55,6 @@ export NODE_KEY="$(cat ./midnight-node.privatekey)"
 # Partner chains config:
 #
 export CARDANO_NETWORK=preview
-export CARDANO_IMAGE="ghcr.io/intersectmbo/cardano-node:10.2.1"
+export CARDANO_IMAGE="ghcr.io/intersectmbo/cardano-node:10.5.3"
 export CARDANO_DATA_DIR=./cardano-data
 export CARDANO_CONFIG_DIR=./cardano-config/${CARDANO_NETWORK}
diff --git a/compose.yml b/compose.yml
index af88c53..be0e9df 100644
--- a/compose.yml
+++ b/compose.yml
@@ -27,10 +27,11 @@ services:
       - "9615:9615"   # Prometheus  - For monitoring, alerting and observability.
     environment:
       - APPEND_ARGS=${APPEND_ARGS}
-      - BOOTNODES=${BOOTNODES}
       - CFG_PRESET=${CFG_PRESET}
       - DB_SYNC_POSTGRES_CONNECTION_STRING=${DB_SYNC_POSTGRES_CONNECTION_STRING}
       - NODE_KEY=${NODE_KEY}
+      - CARDANO_SECURITY_PARAMETER=432
+      - ARGS=${ARGS}
     healthcheck:
       test: [ "CMD", "curl", "-f", "http://localhost:9944/health" ]
       interval: 2s
@@ -38,3 +39,4 @@ services:
       - ./data:/data
       - ./envs/${CFG_PRESET}/pc-chain-config.json:/pc-chain-config.json
       - midnight-data-testnet:/node
+    
\ No newline at end of file