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Transaction flow
Each bridge transaction proceeds according to the following scheme: The user initiates a source asset transfer to the bridge contract running on the source blockchain. If the source asset is a native blockchain token, the user transacts to the bridge cont...
Relayer selection algorithm
BPX Bridge associates each transaction and signature to a so-called epoch - 20-minute period of time. When the epoch changes, for the same transaction, the set of selected validators will be completely different. So if a transaction cannot be completed in a g...
Relayer software
The official JavaScript (node.js) implementation of the relayer software is available here:https://github.com/bpx-chain/bridge-relayer The software works on all popular operating systems. The only requirements are Node.js and npm installed. Installation git...
Becoming a relayer
Anyone can become a BPX Bridge relayer and validate transactions passing through the bridge. For helping maintain the bridge secure, relayers are paid in each blockchain native currencies. To become a relayer, the following conditions must be met: You must...
How to set up private RPC server on Debian / Ubuntu
Set up and sync your BPX Chain full node following this guide. When creating the execution client systemd service, add some new parameters to the geth command line: ExecStart=bpx-geth --syncmode snap --http --http.api web3,eth,net --http.corsdomain "*" ...