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Use boost::variant to represent shielded addresses and keys

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libzcash::PaymentAddress has been renamed to libzcash::SproutPaymentAddress,
and a new typedef boost::variant is now libzcash::PaymentAddress. Similarly
for ViewingKey and SpendingKey.

A new class InvalidEncoding is introduced as the default boost::variant
option for each address and key type; it is used during decoding instead
of boost::optional.

All address and key storage functions in the wallet have been modified to
refer specifically to the Sprout types, as they are used very precisely.
In most other cases, the more general type is leveraged as much as possible,
and we convert to the Sprout type when necessary. This will be subsequently
wrapped in, or replaced with, context-specific functions once Sapling
types are implemented.
This commit is contained in:
Jack Grigg
2018-04-26 02:51:17 +01:00
parent 1942f7a42b
commit e5eab182b5
40 changed files with 488 additions and 336 deletions
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7
src/key_io.h
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@@ -29,12 +29,13 @@ bool IsValidDestinationString(const std::string& str);
bool IsValidDestinationString(const std::string& str, const CChainParams& params);
std::string EncodePaymentAddress(const libzcash::PaymentAddress& zaddr);
boost::optional<libzcash::PaymentAddress> DecodePaymentAddress(const std::string& str);
libzcash::PaymentAddress DecodePaymentAddress(const std::string& str);
bool IsValidPaymentAddressString(const std::string& str);
std::string EncodeViewingKey(const libzcash::ViewingKey& vk);
boost::optional<libzcash::ViewingKey> DecodeViewingKey(const std::string& str);
libzcash::ViewingKey DecodeViewingKey(const std::string& str);
std::string EncodeSpendingKey(const libzcash::SpendingKey& zkey);
boost::optional<libzcash::SpendingKey> DecodeSpendingKey(const std::string& str);
libzcash::SpendingKey DecodeSpendingKey(const std::string& str);
#endif // BITCOIN_KEYIO_H