Fix Mithril nodes launch in 'devnet'

Author: jpraynaud

mithril-test-lab/mithril-devnet/mkfiles/mkfiles-docker.sh

@@ -2,6 +2,7 @@
 # Mithril genesis keys
 GENESIS_VERIFICATION_KEY=5b33322c3235332c3138362c3230312c3137372c31312c3131372c3133352c3138372c3136372c3138312c3138382c32322c35392c3230362c3130352c3233312c3135302c3231352c33302c37382c3231322c37362c31362c3235322c3138302c37322c3133342c3133372c3234372c3136312c36385d
 GENESIS_SECRET_KEY=5b3131382c3138342c3232342c3137332c3136302c3234312c36312c3134342c36342c39332c3130362c3232392c38332c3133342c3138392c34302c3138392c3231302c32352c3138342c3136302c3134312c3233372c32362c3136382c35342c3233392c3230342c3133392c3131392c31332c3139395d
+CHAIN_OBSERVER_TYPE=pallas
 
 cat >> docker-compose.yaml <<EOF
 version: "3.9"
@@ -134,6 +135,7 @@ cat >> docker-compose.yaml <<EOF
       - CARDANO_NODE_SOCKET_PATH=/data/ipc/node.sock
       - CARDANO_NODE_VERSION=${CARDANO_NODE_VERSION}
       - CARDANO_CLI_PATH=/app/bin/cardano-cli
+      - CHAIN_OBSERVER_TYPE=${CHAIN_OBSERVER_TYPE}
       - GENESIS_VERIFICATION_KEY=${GENESIS_VERIFICATION_KEY}
       - DB_DIRECTORY=/data/db
       - SNAPSHOT_DIRECTORY=/data/mithril/aggregator
@@ -170,6 +172,7 @@ cat >> docker-compose.yaml <<EOF
       - CARDANO_NODE_SOCKET_PATH=/data/ipc/node.sock
       - CARDANO_NODE_VERSION=${CARDANO_NODE_VERSION}
       - CARDANO_CLI_PATH=/app/bin/cardano-cli
+      - CHAIN_OBSERVER_TYPE=${CHAIN_OBSERVER_TYPE}
       - GENESIS_VERIFICATION_KEY=${GENESIS_VERIFICATION_KEY}
       - GENESIS_SECRET_KEY=${GENESIS_SECRET_KEY}
       - DB_DIRECTORY=/data/db