Retrieve a cached xpub derived at an index
Declared in <script/descriptor.h>
bool
GetCachedDerivedExtPubKey(
uint32_t key_exp_pos,
uint32_t der_index,
CExtPubKey& xpub) const;Whether a derived xpub was cached at that position and index.
| Name | Description |
|---|---|
| key_exp_pos [in] | Position of the key expression within the descriptor |
| der_index [in] | Derivation index of the xpub |
| xpub [out] | The CExtPubKey to get from cache |