Sweep BTC

• THIS IS BETA SOFTWARE. BE CAREFUL!
• Reference sweep script for Basic (2-of-2) MultiSig wallets. NodeJS.
• Uses Blockcypher's Free API by default for blockchain data and for broadcasting transactions. You can implement your own backends yourself.
• NEVER SHARE YOUR PRIVATE KEYS. NEVER USE PRIVATE KEYS ON INSECURE SYSTEMS.

Get Block Cypher API Token

• Go to Blockcypher and create an account.
• Go to Tokens and create a token.
• Copy the token and save it somewhere safe.
• Save it in the environment variable API_TOKEN.

Note: Currently for a low usage demand there is free version to start playing with it.

Command-line Usage:

$ <load your variables to system environment>
$ git clone <repository URL>
$ cd <dir> && npm install
$ node src/index.js

• N is the number of addresses you've generated on the given network
• PRIVATE_KEY1_BIP32 is the BIP32 extended private key you backed up
• PRIVATE_KEY2 is the second private key you backed up
• DESTINATION_ADDR is where you want the swept coins to go
• NETWORK is the network for which you're sweeping coins
• DERIVATION_PATH is the derivation path shown when you back up your private keys
• API_TOKEN is the token provided by Blockcypher for the usage of some endpoints of their API