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Add the possibility to export private view key for fast scan.

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On client startup the device asks for authorization to export the private view key.
If user agree, the client hold the private view key allowing a fast blockchain scan.
If the user does not agree, the blockchain scan is fully done via the device.
This commit is contained in:
cslashm 2018-03-26 12:55:48 +02:00
parent 100b7bc10d
commit c77d2bfaa0
7 changed files with 200 additions and 93 deletions
Download patch file Download diff file Expand all files Collapse all files

22
src/device/device.hpp
View file

@ -78,6 +78,7 @@ namespace hw {
return false;
}
class device {
protected:
std::string name;
@ -89,10 +90,12 @@ namespace hw {
virtual ~device() {}
explicit virtual operator bool() const = 0;
static const int SIGNATURE_REAL = 0;
static const int SIGNATURE_FAKE = 1;
enum device_mode {
NONE,
TRANSACTION_CREATE_REAL,
TRANSACTION_CREATE_FAKE,
TRANSACTION_PARSE
};
/* ======================================================================= */
/* SETUP/TEARDOWN */
@ -106,6 +109,9 @@ namespace hw {
virtual bool connect(void) = 0;
virtual bool disconnect(void) = 0;
virtual bool set_mode(device_mode mode) = 0;
/* ======================================================================= */
/* LOCKER */
/* ======================================================================= */
@ -166,8 +172,6 @@ namespace hw {
virtual bool open_tx(crypto::secret_key &tx_key) = 0;
virtual bool set_signature_mode(unsigned int sig_mode) = 0;
virtual bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) = 0;
bool decrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key)
{
@ -191,6 +195,12 @@ namespace hw {
virtual bool close_tx(void) = 0;
} ;
struct reset_mode {
device& hwref;
reset_mode(hw::device& dev) : hwref(dev) { }
~reset_mode() { hwref.set_mode(hw::device::NONE);}
};
device& get_device(const std::string device_descriptor) ;
}