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v0.2.0 (2018-07-29)

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@philippgille philippgille released this 29 Jul 16:56
· 76 commits to master since this release
v0.2.0
1c004f1
  • Added: Interface pay.StorageClient - an abstraction for multiple storage clients, which allows you to write your own storage client for storing the preimages that have already been used as payment proof in a request (issue #1)
    • Methods WasUsed(string) (bool, error) and SetUsed(string) error
  • Added: Struct pay.RedisClient - implements the StorageClient interface (issue #1)
    • Factory function NewRedisClient(...)
  • Added: Var pay.DefaultRedisOptions - a RedisOptions object with default values
  • Added: Struct pay.GoMap - implements the StorageClient interface (issue #1)
    • Factory function NewGoMap()
  • Improved: Increased middleware performance and decreased load on the connected lnd when invalid requests with the x-preimage header are received (invalid because the preimage was already used) - Instead of first getting a corresponding invoice for a preimage from the lnd and then checking if the preimage was used already, the order of these operations was switched, because then, if the preimage was already used, no request to lnd needs to be made anymore.
  • Improved: All fields of the struct pay.RedisOptions are now optional

Breaking changes

Package pay:

  • Changed: pay.NewHandlerFuncMiddleware(...), pay.NewHandlerMiddleware(...) and pay.NewGinMiddleware(...) now take a ln.StorageClient instead of a *redis.Client as parameter (issue #1)

Package ln (none of these changes should affect anyone, because this package is meant to be used only internally):

  • Changed: ln.CheckPreimage(...) was renamed to ln.CheckInvoice(...) and doesn't check the storage anymore. The ln methods are supposed to just handle lightning related things and nothing else.
  • Removed: Package lnrpc - Instead of using our own generated lnd gRPC Go file, import the one from Lightning Labs.
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