fund

#!/usr/bin/env bash

set -e -o pipefail

source _toolbox_lib.sh

PERSON=${1:-alice}
AMOUNT_BTC=${2:-100}

ADDRESS=$(newaddr "$PERSON")

ORIGINAL_BALANCE_BTC=$(onchain_balance "$PERSON")
echo "generated new address $ADDRESS for $PERSON (original balance ${ORIGINAL_BALANCE_BTC} BTC)"

AVAILABLE_BALANCE_BTC=$(faucet_balance)

if is "${AVAILABLE_BALANCE_BTC} < ${AMOUNT_BTC}"; then
  echo "insufficient balance $AVAILABLE_BALANCE_BTC BTC, earning more..."
  earn "${AMOUNT_BTC}"
fi

echo "sending $AMOUNT_BTC BTC to $PERSON"

if is_btcd_master; then
  # a simple direct command would be:
  # btcctl --wallet sendfrom imported ${ADDRESS} ${AMOUNT_BTC}

  # btcctl can be flaky and report "-32603: insufficient funds available to construct transaction"
  # see https://travis-ci.org/darwin/simverse/builds/531193450#L3941
  # let's try it in a loop and hope it succeeds at some point, also mine some blocks between trials
  SEND_CMD="btcctl --wallet sendfrom imported ${ADDRESS} ${AMOUNT_BTC}"
  wait_for "sending funds to $PERSON" "$SEND_CMD" "generate 1"
else
  bitcoin-cli sendtoaddress "${ADDRESS}" "${AMOUNT_BTC}"
fi

generate "${TX_CONF_COUNT}"

# c-lightning is pretty lazy in updating its state
# we have to resort to polling...
EXPECTED_BALANCE=$(compute "${ORIGINAL_BALANCE_BTC} + ${AMOUNT_BTC}")
wait_for_onchain_balance "$PERSON" "$EXPECTED_BALANCE"

NEW_BALANCE_BTC=$(onchain_balance "$PERSON")
echo "$PERSON now has ${NEW_BALANCE_BTC} BTC"