Add initial basic simulator support (#233)

* Add initial basic simulator support

* Add support for persistent mnemonic for simulator, and make the key available when using sim

* ADd basic readme for now

.gitignore

@@ -1 +1,2 @@
 .idea/*
+sim-root

Dockerfile

@@ -55,7 +55,7 @@ ENV farmer="false"
 #   netcat: Healthchecking the daemon
 #   yq: changing config settings
 RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
-    DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -y sudo tzdata curl netcat-traditional && \
+    DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -y sudo tzdata curl netcat-traditional jq && \
     rm -rf /var/lib/apt/lists/* && \
     ln -snf "/usr/share/zoneinfo/$TZ" /etc/localtime && echo "$TZ" > /etc/timezone && \
     dpkg-reconfigure -f noninteractive tzdata

docker-entrypoint.sh

@@ -11,6 +11,28 @@ cd /chia-blockchain || exit 1
 # shellcheck disable=SC1091
 . ./activate
 
+# Set a few overrides if the service variable contains simulator
+if [ -z "${service##*simulator*}" ]; then
+    echo "Setting up environment for simulator..."
+    export CHIA_ROOT=/root/.chia/simulator/main
+    export self_hostname="0.0.0.0"
+
+    if [ -f /root/.chia/simulator/mnemonic ]; then
+        echo "Using provided mnemonic from /root/.chia/simulator/mnemonic"
+        # Use awk to trim leading and trailing whitespace while preserving internal spaces
+        mnemonic=$(awk '{$1=$1};1' /root/.chia/simulator/mnemonic)
+    fi
+
+    if [ -n "$mnemonic" ]; then  # Check if mnemonic is non-empty after trimming
+      chia dev sim create --docker-mode --mnemonic "${mnemonic}"
+    else
+      chia dev sim create --docker-mode
+    fi
+
+    chia stop -d all
+    chia keys show --show-mnemonic-seed --json | jq -r '.keys[0].mnemonic' > /root/.chia/simulator/mnemonic
+fi
+
 # shellcheck disable=SC2086
 chia ${chia_args} init --fix-ssl-permissions
 

readme.md

@@ -326,3 +326,9 @@ readinessProbe:
 ```
 
 See [Configure Probes](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#configure-probes) for more information about configuring readiness and liveness probes for Kubernetes clusters. The `initialDelaySeconds` parameter may need to be adjusted higher or lower depending on the speed to start up on the host the container is running on.
+
+## Simulator
+
+`docker run -e service=simulator -v /local/path/to/simulator:/root/.chia/simulator ghcr.io/chia-network/chia:latest`
+
+Mounts the simulator root to the provided local path to make the test plots and the mnemonic persistent. Mnemonic will be available at /local/path/to/simulator/mnemonic