Dero Web Wallet derosuite. This repo contains changes required for webwallet. With this changes any Dero daemon can become web wallet. All changes are related to daemon rpc server and wallet to make it light and faster.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

43 lines
1.6KB

  1. // Copyright 2017-2018 DERO Project. All rights reserved.
  2. // Use of this source code in any form is governed by RESEARCH license.
  3. // license can be found in the LICENSE file.
  4. // GPG: 0F39 E425 8C65 3947 702A 8234 08B2 0360 A03A 9DE8
  5. //
  6. //
  7. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  8. // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  9. // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  10. // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  11. // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  12. // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  13. // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  14. // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  15. // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  16. package globals
  17. import mathrand "math/rand"
  18. import "crypto/rand"
  19. import "encoding/binary"
  20. // random source which is cryptographically secure
  21. // this is to be used in random sorting and selections where necessary
  22. type CryptoRandSource struct{}
  23. func NewCryptoRandSource() CryptoRandSource {
  24. return CryptoRandSource{}
  25. }
  26. func (_ CryptoRandSource) Int63() int64 {
  27. var b [8]byte
  28. rand.Read(b[:])
  29. // mask off sign bit to ensure positive number
  30. return int64(binary.LittleEndian.Uint64(b[:]) & (1<<63 - 1))
  31. }
  32. func (_ CryptoRandSource) Seed(_ int64) {}
  33. var Global_Random = mathrand.New(NewCryptoRandSource())