jsonrpc-netcat

#!/bin/bash
#
# NOTE: Depends on "jq" - http://stedolan.github.io/jq/
#
# example of call:  getblockhash [12345]
#                   getrawtransaction ["6ab513d9bc689089de3b5e2130a2dad70af76f2b108dc30e81a836e9abb31a4e"]
#

if [ '$1' == '' ]; then
    echo "Usage: $0 <url> [username] [password]"
    exit 1
fi

server="$1"
prompt="$server>"

username="$2"
password="$3"

history -r ~/.jsonrpc-netcat.hist

while read -p "$prompt" -e  line; do

    if [ "$line" != "" ]; then
    history -s "$line"

    cmd="$( cut -d '[' -f 1 <<< "$line" )"
    args="$( cut -d '[' -f 2- <<< "$line" )"
    args="[$args"
    cmd="$( cut -d ' ' -f 1 <<< "$cmd" )"


        request="{\"method\":\"$cmd\", \"params\":$args, \"id\":\"foo\"}"

        result=$(wget --http-user=$username -nv --http-password=$password --progress=dot --header="Content-Type: application/json" --header="Accept: application/json" "--post-data=$request" --header="Connection: close" -O - $server)
        echo -n "ERROR: "
        echo $result | jq .error
        echo -n "RESULT: "
        echo $result | jq .result

    fi;


done
echo ""
history -w ~/.jsonrpc-netcat.hist