- Get Started
- Become an Anchor
- Stellar Attachment Convention
- Compliance Protocol
- Add Stellar To Your Exchange
- Hardware Requirements
- Issuing Assets
- Known Validators
- Build Stellar Apps
- Contribution Guide
Bifrost is a service that enables users to move BTC/ETH to the Stellar network. It can either be used to give a representation of BTC or ETH on the network or trade it to another custom token. This is particularly useful for ICOs (Initial Coin Oferrings). This guide will focus on how to setup the Bifrost server to move ETH to the Stellar network.
This won’t be covered here as there are handy documentation on how to set this up online, depending on your OS.
./geth --testnet --rpc
Bifrost will automatically exchange the received BTC or ETH for your custom token. For this to happen, there has to be a sell order for the CUSTOM-TOKEN/BTC OR CUSTOM-TOKEN/ETH asset pairs on the Stellar’s distributed exchange.
For example, let’s say the exchange rate is 1
TOKE for 0.2
ETH. You can use Stellar Laboratory to create and submit a manage offer operation:
1 selling_asset = X buying_asset. In our case, since we want to sell 1TOKE for 0.2ETH, the value here should be 0.2
The steps above will create a sell order for your asset on the distributed exchange.
bifrost.cfg, similar to the one below:
port = 8002 using_proxy = false access_control_allow_origin_header = "*" #uncomment bitcoin parameters if you will be accepting BTC #[bitcoin] #master_public_key = "xpub6DxSCdWu6jKqr4isjo7bsPeDD6s3J4YVQV1JSHZg12Eagdqnf7XX4fxqyW2sLhUoFWutL7tAELU2LiGZrEXtjVbvYptvTX5Eoa4Mamdjm9u" #rpc_server = "localhost:18332" #rpc_user = "user" #rpc_pass = "password" #testnet = true #minimum_value_btc = "0.0001" #token_price = "1" [ethereum] master_public_key = "xpub68VNckQn96Y23e5GsGh9X7zVmbPT4ho5Vdf6RdgMGG3LyNhH2cLFDCib9zgn8QWgj261xu7MYbmBsX8Fp5VkfDUrecUnpEGWkyCo7qK2gxn" rpc_server = "localhost:8545" network_id = "3" minimum_value_eth = "0.00001" token_price = "1" [stellar] issuer_public_key = "GDNPOP72ZO6AZXZ7LQJ4GKYT7UIH4JEG4X3ZRZBFUCRB467RNV3SFK5D" distribution_public_key = "GCSSFPPVERDH4ZPWH5BSONEJERHCVS4DPZRWJG3FP3STOA5ZFTD3GMZ5" signer_secret_key = "SB3WH2NLOFW2K2B5MWN34CWF35ZLQXH33ABZYL7KZFKTVEFP72Q574LM" token_asset_code = "ZEN" needs_authorize = false horizon = "https://horizon-testnet.stellar.org" network_passphrase = "Test SDF Network ; September 2015" starting_balance = "4" [database] type="postgres" dsn="postgres://stellar:[email protected]/bifrost?sslmode=disable"
Output should be similar to:
MAKE SURE YOU HAVE PRIVATE KEYS TO CORRESPONDING ADDRESSES: Bitcoin MainNet: No master key set... Ethereum: 0 0xAF484B67cC184259d22edfA4aFe874f68275B714 1 0x0163DF805B87A9aB2dd3177f674B275163272630 2 0x42069115ba5802736444Aacba5F0bD4a9a007E69 3 0xA219bCCFeE13B94fcf505120Cb7b8CD090749A4e 4 0x3AB571B247b0CF45E44d111691F9D03eE1bfE705 5 0x1Fe3101B058Aa3b6Fb69B84Cd1cc7766959dcFc2 6 0x1B07c658614F6D4F13225b63d76055EaB07114c9 7 0x3C3459c47388163E56e544F9616ac0E46668420E 8 0x08fb48e4f54f699cDa3B97cd97D9fB6A594354D7 9 0xC5CD4b9E6c5D9c0cd1AAe5A52f6DCA3d20CF08BC
Once you are done setting up the config file, you can start the server by running:
The Bifrost server will be responsible for generating ethereum addresses, listening for payments on these addresses and transferring the token purchased to the user.
The Bifrost JS SDK provides a way for a client to communicate with the Bifrost server. Download the latest version of the SDK, and include it in your frontend application. See the example html file in the bifrost-js-sdk repo for an example on how this can be implemented.