Helpful script for populating a node dataDir with a large number of validator keys

scripts/attach_validators.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+set -eu
+
+NETWORK_NAME=$1
+NODE_ID=$2
+FIRST_VALIDATOR=$3
+LAST_VALIDATOR=$4
+
+cd $(dirname "$0")
+cd ..
+
+if [ -f .env ]; then
+  source .env
+fi
+
+NETWORK_DIR=$WWW_DIR/$NETWORK_NAME
+
+for i in $(seq $FIRST_VALIDATOR $LAST_VALIDATOR); do
+  VALIDATOR=v$(printf '%07d' $i)
+  beacon_chain/beacon_node --dataDir="$DATA_DIR/node-$NODE_ID" importValidators \
+    --keyfile="$NETWORK_DIR/$VALIDATOR.privkey"
+done
+

scripts/reset_testnet.sh

@@ -22,8 +22,9 @@ regenTestnetFiles() {
   NETWORK_FLAVOUR=$1
 
   if [ ! -f $NETWORK_DIR/genesis.json ]; then
-    rm $NETWORK_DIR/*
+    rm -f $NETWORK_DIR/*
     nim c -r $NIM_FLAGS beacon_chain/validator_keygen \
+      --generateFakeKeys=no \
       --validators=$VALIDATOR_COUNT \
       --outputDir="$NETWORK_DIR"
   fi