message: Update `run-dev.sh` script to accept Gensis timestamp.
diff: @@ -7,6 +7,8 @@ set -eu
  BASEDIR=$(readlink -f $(dirname $0))
  CHAINSPEC=$(mktemp -t chainspec_XXXXXXXX --suffix .toml)
  TRUSTED_HASH="${TRUSTED_HASH:-}"
  +TIMESTAMP="${GENESIS_TIMESTAMP:-$(date '+%s000')}"
  +echo "Genesis timestamp: " $TIMESTAMP
  run_node() {
  ID=$1
  @@ -64,7 +66,7 @@ cargo build -p casper-node
  # Update the chainspec to use the current time as the genesis timestamp.
  cp ${BASEDIR}/resources/local/chainspec.toml ${CHAINSPEC}
  -sed -i "s/^\([[:alnum:]_]*timestamp\) = .*/\1 = $(date '+%s000')/" ${CHAINSPEC}
  +sed -i "s/^\([[:alnum:]_]*timestamp\) = .*/\1 = ${TIMESTAMP}/" ${CHAINSPEC}
  sed -i 's|\.\./\.\.|'"$BASEDIR"'|' ${CHAINSPEC}
  sed -i 's|accounts\.csv|'"$BASEDIR"'/resources/local/accounts.csv|' ${CHAINSPEC}
  