Add support for Bitshares

[reedallred]

Description

Name: bitshares

HD Derivation Scheme:

Symbol: BTS

Documentation: bitshares

Reason: There are many blockchains built off of bitshares which would benefit from this support

Checklist

• Implement functionality in C++. Put it in a subfolder of src/.
  • Address (if necessary)
  • Transaction (if necessary)
  • Signer
• Write unit tests. Put them in a subfolder of tests/.
• Add relevant constants in TWCoinType, TWP2SHPrefix, TWEthereymChainID, TWHRP, etc., as necessary.
• Return correct curve and purpose in src/Coin.cpp.
• Implement address validation and derivation in src/Coin.cpp.
• Implement coin configuration src/include/TWCoinTypeConfiguration.cpp.
• Write interface header in include/TrustWalletCore and implement the interface in src/interface.
  • Address interface (if necessary).
  • Signing interface.
• Validate generated code in Android an iOS projects. Write integration tests for each.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.