DetectCycle detects cycle in given graph.

AggregatorPrice represent a price which was calculated by using other prices.

IndirectAggregatorNode calculates a price which is a cross rate between all child prices.

MedianAggregatorNode gets Prices from all of its children and calculates median price.

OriginNode contains a Price fetched directly from an origin.

OriginPrice represent a price which was sourced directly from an origin.

Aggregator represents a node which can aggregate prices from its children.

Node represents generics node in a graph.

Origin represents a node which provides price directly from an origin.

Parent represents a node to which you can add a child node.