message: log output of the proposal and built block
diff: @@ -83,7 +83,7 @@ namespace iroha {
  std::shared_ptr<validation::VerifiedProposalAndErrors>
  Simulator::processProposal(
  const shared_model::interface::Proposal &proposal) {
  - log_->info("process proposal");
  + log_->info("process proposal: {}", proposal);
  auto storage = ametsuchi_factory_->createTemporaryWsv(command_executor_);
  @@ -100,9 +100,11 @@ namespace iroha {
  const std::shared_ptr<iroha::validation::VerifiedProposalAndErrors>
  &verified_proposal_and_errors,
  const TopBlockInfo &top_block_info) {
  - log_->info("process verified proposal");
  -
  const auto &proposal = verified_proposal_and_errors->verified_proposal;
  + if (proposal)
  + log_->info("process verified proposal: {}", *proposal);
  + else
  + log_->info("process verified proposal: no proposal");
  std::vector<shared_model::crypto::Hash> rejected_hashes;
  for (const auto &rejected_tx :
  verified_proposal_and_errors->rejected_transactions) {
  @@ -115,7 +117,7 @@ namespace iroha {
  proposal->transactions(),
  rejected_hashes);
  crypto_signer_->sign(*block);
  -
  + log_->info("Created block: {}", *block);
  return block;
  }
  