Migrate to DuniterPy usage

DuniterPy

Transition plan

• Set Python 3.5 as requirements as DuniterPy 0.52 requires Python 3.5 (DuniterPy 0.60 will requires Python 3.6)
• Keep same behaviours for the commands and the authentication

Endpoint/GET

• replace GET methods
• Make the code asynchronous
• replace peer document endpoint management

Commands

• cert:
  • replace document generation
  • replace sign and post method
• keep amount behaviour with authentication
• tx:
  • replace document generation
  • replace sign and post method
  • multi-output
  • #178 (closed): intermediaries transactions: infinite loop because of already proceed tx for intermediaries tx.
• generate_auth_file

Authentication

• scrypt
• duniterpy#71 (closed): add seedhex authentication in DuniterPy: seed in an hexadecimal base with str type
• Ğannonce format (PubSec)
• (E)WIF (format compatible with Silkaj 0.6)
• #173 (closed): Following ticket to implement other methods

Cleaning

• get rid of no longer needed functions
• auth.py: cleaning done. Improvements possible, but later with #77 (closed), and #173 (closed)
• #177 (closed): network_tools.py: remove check_port(), refactor best_node(), parse_endpoint(s)()
• #176 (closed): crypto_tools.py

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Code to move to/to implement in DuniterPy

• Authentication methods:
  • duniterpy#51 (closed), duniterpy#52 (closed): WIF/EWIF
  • gannonce format: PubSec: duniterpy#51 (closed)
• #176 (closed): pubkey checksum