Add another missing file

scripts/run-beacon-node.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+set -e
+
+cd "$(dirname $0)/.."
+
+NBC_BINARY=$1
+shift
+
+NETWORK=$1
+shift
+
+# Windows detection
+if uname | grep -qiE "mingw|msys"; then
+  MAKE="mingw32-make"
+else
+  MAKE="make"
+fi
+
+if [[ ! -f build/${NBC_BINARY} ]]; then
+  cat << MISSING_BINARY_HELP
+
+Please build the beacon node binary by executing the following command:
+
+${MAKE} ${NBC_BINARY}
+
+MISSING_BINARY_HELP
+
+  exit 1
+fi
+
+if [[ "$WEB3_URL" == "" ]]; then
+  cat <<WEB3_HELP
+
+To monitor the Eth1 validator deposit contract, you'll need to pair
+the Nimbus beacon node with a Web3 provider capable of serving Eth1
+event logs. This could be a locally running Eth1 client such as Geth
+or a cloud service such as Infura. For more information please see
+our setup guides:
+
+https://status-im.github.io/nimbus-eth2/infura-guide.html
+
+WEB3_HELP
+
+  echo -n "Please enter a Web3 provider URL: "
+  read WEB3_URL
+fi
+
+build/${NBC_BINARY} \
+  --network=${NETWORK} \
+  --data-dir=build/data/${NETWORK} \
+  --web3-url="${WEB3_URL}" \
+  $@
+