rpc, cli: allow to provide cosigners accounts to (*Client).CreateTxFromScript

[AnnaShaleva]

We need cosigners' accounts to calculate the network fee properly.

[codecov]

Codecov Report

Merging #1797 (6c0faa4) into master (4a9ca25) will increase coverage by 0.10%.
The diff coverage is 91.17%.

@@            Coverage Diff             @@
##           master    #1797      +/-   ##
==========================================
+ Coverage   83.56%   83.66%   +0.10%     
==========================================
  Files         271      271              
  Lines       22052    22077      +25     
==========================================
+ Hits        18427    18471      +44     
+ Misses       2500     2477      -23     
- Partials     1125     1129       +4     

Impacted Files	Coverage Δ
pkg/rpc/client/rpc.go	84.21% <88.23%> (+0.52%)	⬆️
cli/smartcontract/smart_contract.go	87.88% <88.88%> (+0.16%)	⬆️
pkg/rpc/client/nep17.go	49.57% <90.00%> (+0.86%)	⬆️
cli/wallet/validator.go	73.33% <100.00%> (+1.45%)	⬆️
pkg/consensus/consensus.go	70.57% <0.00%> (+0.60%)	⬆️
pkg/services/oracle/request.go	62.29% <0.00%> (+4.91%)	⬆️
pkg/services/oracle/oracle.go	90.58% <0.00%> (+11.76%)	⬆️

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[fyrchik]

Also some CLI tests are needed (we already have verify contract in testdata, test wallet may need to be generated).

[AnnaShaleva]

Also some CLI tests are needed (we already have verify contract in testdata, test wallet may need to be generated).

We already have wallet1_solo.json and it suits the test perfectly. Done tests.

[fyrchik]

Can you rebase this on master to see if test failure is gone?