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In this commit, we extend the DerivePrivKey method to allow callers that don't know the full KeyLocator information to attempt to derive a private key via a brute force mechanism. If we don't now the full KeyLoactor, then given the KeyFamily, we can walk down the derivation path and compare keys one by one. In order to ensure we don' t enter an infinite loop when given an unknown public key, we cap the number of keys derived at 100k. An upcoming feature to lnd that adds static channel backups will utilize this feature, as we need to derive the shachain root given only the public key and key family, as we don't currently store this KeyLocator on disk. |
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| .. | ||
| btcwallet.go | ||
| derivation.go | ||
| interface_test.go | ||