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[turuslan]

Referenced issues

Description of the Change

Support --alice, --bob, --charlie, --dave, --eve, --ferdie flags from substrate.

Benefits

Don't need keystore for testing.

Possible Drawbacks

Usage Examples or Tests

• examples/first_kagome_chain with --alice.
• examples/network with --alice and --bob.
• examples/network_x4 with --alice, --bob, --charlie and --dave.

Alternate Designs

• bip39 junctions are not supported yet

[codecov]

Codecov Report

Merging #1372 (caacb6c) into master (8781526) will increase coverage by 0.02%.
The diff coverage is 32.91%.

@@            Coverage Diff             @@
##           master    #1372      +/-   ##
==========================================
+ Coverage   24.18%   24.20%   +0.02%     
==========================================
  Files         627      628       +1     
  Lines       23447    23520      +73     
  Branches    12252    12287      +35     
==========================================
+ Hits         5670     5693      +23     
- Misses      12505    12537      +32     
- Partials     5272     5290      +18     

Impacted Files	Coverage Δ
core/application/app_configuration.hpp	100.00% <ø> (ø)
core/application/impl/app_configuration_impl.hpp	26.92% <0.00%> (-1.46%)	⬇️
core/crypto/crypto_store/crypto_store_impl.cpp	24.48% <0.00%> (ø)
core/crypto/crypto_store/crypto_store_impl.hpp	36.17% <0.00%> (-1.61%)	⬇️
core/crypto/ed25519_types.hpp	0.00% <0.00%> (ø)
core/crypto/sr25519_types.hpp	20.00% <0.00%> (-5.00%)	⬇️
core/injector/get_peer_keypair.hpp	6.97% <0.00%> (ø)
core/injector/application_injector.cpp	32.79% <17.39%> (-0.38%)	⬇️
core/application/impl/app_configuration_impl.cpp	24.17% <42.30%> (+0.73%)	⬆️
core/crypto/crypto_store/dev_mnemonic_phrase.hpp	55.00% <55.00%> (ø)
... and 1 more

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