build: add RocksDBStore plugin to Dockerfile.sharp

Release version of RocksDBStore does not work properly, that's why we
have to build it from source. It also requires RocksDBSharp.dll which
can be fetched from nuget portal. It also requires librocksdb-dev.

See neo-project/neo-modules#330

.docker/build/Dockerfile.sharp

@@ -24,6 +24,8 @@ RUN set -x \
         jq \
         libssl-dev \
         libunwind8 \
+        librocksdb-dev \
+        libc6-dev \
     # APT cleanup to reduce image size
     && rm -rf /var/lib/apt/lists/*
 
@@ -36,7 +38,7 @@ RUN wget -O /opt/neo-cli.zip ${URL} && \
     rm -r /neo-cli/linux-x64 && \
     rm /opt/neo-cli.zip
 
-ENV MODULES="RpcServer"
+ENV MODULES="RpcServer RocksDBStore"
 # SimplePolicy ApplicationLogs"
 ENV URL="https://github.com/neo-project/neo-modules/releases/download/v${VERSION}-00"
 
@@ -47,6 +49,15 @@ RUN for mod in ${MODULES}; do \
         rm /tmp/${mod}.zip; \
     done
 
+ENV ROCKSDBPKGS="RocksDbSharp"
+# RocksDbSharp RocksDbNative
+RUN for pkg in ${ROCKSDBPKGS}; do \
+        wget -O /tmp/rocksdb.zip https://www.nuget.org/api/v2/package/${pkg}/6.2.2; \
+        unzip -q -d /tmp/rocksdb/ /tmp/rocksdb.zip; \
+        mv /tmp/rocksdb/lib/netstandard1.6/${pkg}.dll /neo-cli; \
+        rm -r /tmp/rocksdb.zip /tmp/rocksdb; \
+    done
+
 # A welcome message for bash users
 RUN echo "printf \"\n* Consensus nodes are running in screen sessions, check 'screen -ls'\"" >> /root/.bashrc
 RUN echo "printf \"\n* Please report issues to https://github.com/CityOfZion/neo-local\n\n\"" >> /root/.bashrc