system_api_impl.hpp

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#ifndef KAGOME_API_SYSTEMAPIIMPL
#define KAGOME_API_SYSTEMAPIIMPL

#include "api/service/system/system_api.hpp"

#include "runtime/runtime_api/account_nonce_api.hpp"

namespace kagome::transaction_pool {
  class TransactionPool;
}
namespace kagome::crypto {
  class Hasher;
}
namespace kagome::blockchain {
  class BlockTree;
}

namespace kagome::api {

  class SystemApiImpl final : public SystemApi {
   public:
    SystemApiImpl(
        std::shared_ptr<application::ChainSpec> config,
        std::shared_ptr<consensus::babe::Babe> babe,
        std::shared_ptr<network::PeerManager> peer_manager,
        std::shared_ptr<runtime::AccountNonceApi> account_nonce_api,
        std::shared_ptr<transaction_pool::TransactionPool> transaction_pool,
        std::shared_ptr<const blockchain::BlockTree> block_tree,
        std::shared_ptr<crypto::Hasher> hasher);

    std::shared_ptr<application::ChainSpec> getConfig() const override;

    std::shared_ptr<consensus::babe::Babe> getBabe() const override;

    std::shared_ptr<network::PeerManager> getPeerManager() const override;

    outcome::result<primitives::AccountNonce> getNonceFor(
        std::string_view account_address) const override;

   private:
    // adjusts the provided nonce considering the pending transactions
    primitives::AccountNonce adjustNonce(
        const primitives::AccountId &account_id,
        primitives::AccountNonce current_nonce) const;

    std::shared_ptr<application::ChainSpec> config_;
    std::shared_ptr<consensus::babe::Babe> babe_;
    std::shared_ptr<network::PeerManager> peer_manager_;
    std::shared_ptr<runtime::AccountNonceApi> account_nonce_api_;
    std::shared_ptr<transaction_pool::TransactionPool> transaction_pool_;
    std::shared_ptr<const blockchain::BlockTree> block_tree_;
    std::shared_ptr<crypto::Hasher> hasher_;
  };

}  // namespace kagome::api

#endif  // KAGOME_API_SYSTEMAPIIMPL