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Can you hear me, Major Tom?

Push notifications server for bitcoin wallets. Processes blocks & mempool in search of subscribed onchain addresses. Built with typescript, expressjs, mariadb & openapi.

In memory of David Bowie

Installation

npm i
npm start
npm run worker-blockprocessor
npm run worker-processmempool
npm run worker-sender

Works well on Heroku (you'll need JawsDB Maria addon)

Environment variables

Set them as env variables or put them into .env file in project root dir.

• JAWSDB_MARIA_URL for example mysql://username:password@host:port/database
• FCM_SERVER_KEY hex encoded deprecated (in favor of json key file) after FCM XMPP and HTTP legacy APIs was deprecated; the new one is HTTP v1 API; theres also a new uri to post payload
• APNS_P8 hex encoded
• APNS_P8_KID issuer key which is "key ID" of your p8 file
• APPLE_TEAM_ID "team ID" of your developer account
• BITCOIN_RPC for example http://username:password@host:8332
• APNS_TOPIC for example io.bluewallet.bluewallet
• GOOGLE_KEY_FILE - json file with Google key for FCM, in hex
• GOOGLE_PROJECT_ID - acquired with the key file

Getting certificates

• outdated https://dev.to/jakubkoci/react-native-push-notifications-313i
• https://stackoverflow.com/questions/44631803/ios-swift-how-to-create-p8-file/67533665#67533665
• get P8 hex xxd -p file.p8 | tr -d '\n' (google key file as well)
• https://firebase.google.com/docs/cloud-messaging/migrate-v1

License

MIT