get_route

#!/usr/bin/env bash

set -e -o pipefail

source _toolbox_lib.sh

FROM_PERSON=${1:-alice}
TO_PERSON=${2:-bob}
AMOUNT_BTC=${3:-$(sat2btc 1)} # 1 sat by default
RISK_FACTOR=${4:-10}

TO_PERSON_ID=$(pubkey "$TO_PERSON")

FLAVOR=$(get_flavor "$FROM_PERSON")
case "$FLAVOR" in
  lnd)
    AMOUNT_SAT=$(btc2sat "$AMOUNT_BTC")
    exec "$FROM_PERSON" queryroutes "$TO_PERSON_ID" "$AMOUNT_SAT"
    ;;
  lightning)
    AMOUNT_MSAT=$(btc2msat "$AMOUNT_BTC")
    exec "$FROM_PERSON" getroute "$TO_PERSON_ID" "$AMOUNT_MSAT" "$RISK_FACTOR"
    ;;
  eclair)
    AMOUNT_MSAT=$(btc2msat "$AMOUNT_BTC")
    ROUTE=$("$FROM_PERSON" findroutetonode --nodeId="$TO_PERSON_ID" --amountMsat="$AMOUNT_MSAT")
    echo "$ROUTE"
    # see https://github.com/ACINQ/eclair/issues/998
    if [[ "$ROUTE" == "route not found"* ]]; then
      exit 1
    else
      exit 0
    fi
    ;;
  *) echo_err "unsupported flavor type '$FLAVOR' for '$FROM_PERSON'"; exit 1; ;;
esac