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authorMeshCollider <dobsonsa68@gmail.com>2018-12-12 16:31:52 +1300
committerMeshCollider <dobsonsa68@gmail.com>2018-12-12 17:24:26 +1300
commit3fff1ab817e7995720c3aa0374807ed70d1a4d24 (patch)
tree74d615745c2e2356eff2178f93d646c316d789b7 /src/wallet/feebumper.cpp
parentf65bce858f266b352c9ddd1f5480431dca56fcae (diff)
parent26879509f1a3b9fc0fa616164e5a88fdb344ac4d (diff)
Merge #14646: Add expansion cache functions to descriptors (unused for now)
26879509f Add comments to descriptor tests (Pieter Wuille) 82df4c64f Add descriptor expansion cache (Pieter Wuille) 1eda33aab [refactor] Combine the ToString and ToPrivateString implementations (Pieter Wuille) 24d3a7b3a [refactor] Use DescriptorImpl internally, permitting access to new methods (Pieter Wuille) 6be0fb4b3 [refactor] Add a base DescriptorImpl with most common logic (Pieter Wuille) Pull request description: This patch modifies the internal `Descriptor` class to optionally construct and use an "expansion cache". Such a cache is a byte array that encodes all information necessary to expand a `Descriptor` a second time without access to private keys, and without the need to perform expensive BIP32 derivations. For all currently defined descriptors, the cache simply contains a concatenation of all public keys used. This is motivated by the goal of importing a descriptor into the wallet and using it as a replacement for the keypool, where it would be impossible to expand descriptors if they use hardened derivation. Tree-SHA512: f531a0a82ec1eecc30b78ba8a31724d1249826b028cc3543ad32372e1aedd537f137ab03dbffc222c5df444d5865ecd5cec754c1ae1d4989b6e9baeaffade32a
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