fix: add payout index find edge case check #272

	name: CI/CD

	on: [push]

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- name: Cache Bitcoin node
	id: bitcoin-cache
	uses: actions/cache@v2
	with:
	path: ~/bitcoin
	key: ${{ runner.os }}-cache

	- name: Download Bitcoin node
	if: steps.bitcoin-cache.outputs.cache-hit != 'true'
	run: \|
	wget -P ~/bitcoin https://bitcoin.org/bin/bitcoin-core-0.20.0/bitcoin-0.20.0-x86_64-linux-gnu.tar.gz

	- name: Start Bitcoin node
	run: \|
	cd ~/bitcoin
	tar -xvf bitcoin-0.20.0-x86_64-linux-gnu.tar.gz
	cp bitcoin-0.20.0/bin/* /usr/local/bin/
	bitcoind -reindex -txindex -regtest -daemon -rpcport=18443 -rpcuser=bitcoin -rpcpassword=local321 -deprecatedrpc=signrawtransaction -fallbackfee=0.00001 -addresstype=p2sh-segwit -zmqpubrawblock=tcp://127.0.0.1:29000 -zmqpubrawtx=tcp://127.0.0.1:29000
	sleep 5
	bitcoin-cli -regtest -rpcport=18443 -rpcuser=bitcoin -rpcpassword=local321 generatetoaddress 101 $(bitcoin-cli -regtest -rpcport=18443 -rpcuser=bitcoin -rpcpassword=local321 getnewaddress '' 'bech32')

	- uses: actions/checkout@v2
	- uses: actions/setup-node@v1
	with:
	node-version: 14.x

	- name: restore node_modules from cache
	id: node-modules-cache
	uses: actions/cache@v2
	with:
	key: ${{ runner.os }}-${{ hashFiles('yarn.lock') }}
	path: \|
	node_modules
	//node_modules

	- name: yarn install
	if: steps.node-modules-cache.outputs.cache-hit != 'true'
	run: yarn install --immutable

	- run: yarn build
	- run: yarn test

	- name: Get test coverage
	uses: coverallsapp/github-action@master
	with:
	github-token: ${{ secrets.GITHUB_TOKEN }}

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