Merge pull request #59 from fell0w/UpdateScript

Update script

update.sh

+echo "Updating Tron..."
+# install requirement 'jq'
+sudo apt-get install jq
+crown-cli stop
+RELEASE=$(curl -s 'https://api.github.com/repos/Crowndev/crowncoin/releases/latest' | jq -r '.assets | .[] | select(.name=="crown-x86_64-unknown-linux-gnu.tar.gz") | .browser_download_url')
+curl -sSL $RELEASE -o crown.tgz
+tar xzf crown.tgz --no-anchored crownd crown-cli --transform='s/.*\///'
+# use strip if installed
+if hash strip 2>/dev/null; then
+    strip crownd crown-cli
+fi
+sudo mv crownd crown-cli /usr/local/bin/
+rm -rf crown*
+crownd
+echo "Update finished"
+echo "Waiting for crownd to start up..."
+sleep 15
+VERSION=$(crown-cli getinfo | jq '.version')
+PROTOCOL_VERSION=$(crown-cli getinfo | jq '.protocolversion')
+WALLET_VERSION=$(crown-cli getinfo | jq '.walletversion')
+ERRORS=$(crown-cli getinfo | jq '.errors')
+if [ "$VERSION" = '""' ] || [ "$VERSION" = "null" ] || [ "$PROTOCOL_VERSION" = '""' ] || [ "$PROTOCOL_VERSION" = "null" ] || [ "$WALLET_VERSION" = '""' ] || [ "$WALLET_VERSION" = "null" ] || [ "$ERRORS" != '""' ]; then
+    echo "An error has occured. Please run 'crown-cli getinfo' and check if the service is running."
+    echo "If you encounter any problems, join us at https://mm.crownlab.eu/crown/channels/tron for support"
+else
+    echo "crownd is up and running!"
+    echo "version: $VERSION"
+    echo "protocolversion: $PROTOCOL_VERSION"
+    echo "walletversion: $WALLET_VERSION"
+
+fi
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