The below oracle is designed to be a trust-minimized and permissionless way to get token prices that anyone can use. At its most basic level the oracle works by having a reporter submit both a limit bid and ask at the same price. Anyone can swap against these orders minus a small fee (no partial fills). If nobody takes either order in a certain amount of time, it is evidence of a good price that can be used for settlement. If an order is taken, the taker needs to post collateral in both token...
