Replication

This is a poor mans implementation of leader-centric replication for the ITU Distributed Systems course. It assumes a perfect network where no packets are dropped and supports at most one crash. Leader selection is done by finding the node with the lowest port.

Generating grpc

1. run protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative grpc/proto.proto in the root of the project

Running the program

1. Open a terminal and navigate to the node directory (e.g. cd node)
2. Start the three nodes by running the appropriate command (go run main.go) 3 times. This likely requires three terminals
3. Start a new terminal and navigate to the client directory (e.g. cd client)
4. Start client by runng the appropriate command (go run main.go <username>)

Usage

node:

Usage:
    start  start an auction (only works on the leader node)
    crash  crash this node

client:

Usage:
    bid <amount>  bid the given amount
    result        get the result of the auction