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This commit adds a new pricer package which contains a Pricer interface and two implementations of the interface. The Pricer interface can be used to query the price of a certain path. The two implementations are as follows: a DefaultPricer which returns the same price for all paths of a service, and a GRPCPricer which queries a backend grpc server for the price of a given path.
14 lines
354 B
Go
14 lines
354 B
Go
package pricer
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import "context"
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// Pricer is an interface used to query price data from a price provider.
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type Pricer interface {
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// GetPrice should return the price in satoshis for the given
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// resource path.
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GetPrice(ctx context.Context, path string) (int64, error)
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// Close should clean up the Pricer implementation if needed.
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Close() error
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}
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