Gaia v1.0.0-rc1 to rc3 custom migration script

gaia_v1_rc_migration.sh

#!/bin/bash
#
# Example:
# sh ./gaia_v1_rc_migration.sh ./old_genesis.json ./new_genesis.json

INPUT_GENESIS=$1
OUTPUT_GENESIS=$2

if [ -z "$INPUT_GENESIS" ]; then
    echo "no input genesis provided"
    exit 1
fi

SUPPLY_TOTAL=$(cat $INPUT_GENESIS | jq -c '.app_state["supply"]["supply"]["total"]')
OUTPUT=$(cat $INPUT_GENESIS | jq --argjson inp1 "$SUPPLY_TOTAL" '.app_state["supply"]={"supply":($inp1)}')

if [ -z "$OUTPUT_GENESIS" ];
then
    echo "$OUTPUT" | jq -S -c -M ''
else
    echo "$OUTPUT" | jq -S -c -M '' > "$OUTPUT_GENESIS"
fi