Runs a local Grin net as per the Grin advanced docs.

run_local_net.sh

#!/usr/bin/env bash

# see https://github.com/mimblewimble/grin/blob/master/doc/local_net.md

set -E

trap "kill 0" SIGINT

for i in `seq 1 3`;
do
    dir="./.local_net/node_$i"
    mkdir -p ${dir}
    cp -f ./grin.toml ${dir}

    if [ -f "$dir/wallet.seed" ]; then
        echo "Found existing wallet at $dir."
    else
        cd ${dir}
        ../../target/debug/grin wallet init
        cd ../../
    fi
done

cyan=6; green=2; yellow=3; blue=4; pink=5;

prefix_cmd () {
    {
        eval "RUST_BACKTRACE=1 ../../target/debug/grin $3" || kill 0
    } 2>&1 | sed -e "s/\(.*\)/$(tput setaf $2)[$1] \1$(tput sgr0)/"
}

echo "Starting nodes."

(
    cd ./.local_net/node_1
    prefix_cmd "node_1_genesis" ${cyan} 'wallet -p "password" -a "http://127.0.0.1:10001" listen --port 15000'
) &

sleep 1

(
    cd ./.local_net/node_1/
    prefix_cmd "node_1_miner" ${green} 'server -m -p 10000 -a 10001 -w "http://127.0.0.1:15000" run'
) &

sleep 1

(
    cd ./.local_net/node_2
    prefix_cmd "node_2_validator" ${yellow} 'server -s "127.0.0.1:10000" -p 20000 -a 20001 run'
) &

sleep 1

(
    cd ./.local_net/node_3
    prefix_cmd "node_3_server" ${blue} 'server -s "127.0.0.1:20000" -p 30000 -a 30001 run'
) &

sleep 1

(
    cd ./.local_net/node_3
    prefix_cmd "node_3_wallet" ${pink} 'wallet -p "password" -a "http://127.0.0.1:30001" listen --port 35000'
) &

wait