Import transaction

src/wallet/api/wallet.cpp

@@ -1400,7 +1400,7 @@ bool WalletImpl::scanTransactions(const std::vector<std::string> &txids)
         setStatusError(string(tr("Failed to scan transaction: ")) + e.what());
         return false;
     }
-
+    
     return true;
 }
 
@@ -1473,6 +1473,22 @@ std::string WalletImpl::printScannedPoolTxs()
     return m_wallet->printScannedPoolTxs();
 }
 
+bool WalletImpl::importTransaction(const std::string &txid, std::vector<uint64_t> &o_indices, uint64_t height, uint8_t block_version, uint64_t ts, bool miner_tx, bool pool, bool double_spend_seen)
+{
+    try
+    {
+        m_wallet->import_tx(txid, o_indices, height, block_version, ts, miner_tx, pool, double_spend_seen);
+    }
+    catch (const std::exception &e)
+    {
+        LOG_ERROR("Failed to import transaction: " << e.what());
+        setStatusError(string(tr("Failed to import transaction: ")) + e.what());
+        return false;
+    }
+
+    return true;
+}
+
 void WalletImpl::addSubaddressAccount(const std::string& label)
 {
     m_wallet->add_subaddress_account(label);

src/wallet/api/wallet.h

@@ -184,6 +184,7 @@ public:
     bool importKeyImages(const std::string &filename) override;
     bool exportOutputs(const std::string &filename, bool all = false) override;
     bool importOutputs(const std::string &filename) override;
+    bool importTransaction(const std::string &txid, std::vector<uint64_t> &o_indices, uint64_t height, uint8_t block_version, uint64_t ts, bool miner_tx, bool pool, bool double_spend_seen) override;
     bool scanTransactions(const std::vector<std::string> &txids) override;
 
     virtual std::string printBlockchain() override;

src/wallet/api/wallet2_api.h

@@ -1083,6 +1083,8 @@ struct Wallet
     virtual std::string printAddressBook() = 0;
     virtual std::string printScannedPoolTxs() = 0;
 
+    virtual bool importTransaction(const std::string &txid, std::vector<uint64_t> &o_indices, uint64_t height, uint8_t block_version, uint64_t ts, bool miner_tx, bool pool, bool double_spend_seen) = 0;
+
     virtual TransactionHistory * history() = 0;
     virtual AddressBook * addressBook() = 0;
     virtual Coins * coins() = 0;

src/wallet/wallet2.cpp

@@ -3794,6 +3794,54 @@ void wallet2::update_pool_state_from_pool_data(bool incremental, const std::vect
 
   MTRACE("update_pool_state_from_pool_data end");
 }
+
+//----------------------------------------------------------------------------------------------------
+void wallet2::import_tx(const std::string &txid, std::vector<uint64_t> &o_indices, uint64_t height, uint8_t block_version, uint64_t ts, bool miner_tx, bool pool, bool double_spend_seen)
+{
+    crypto::hash hash;
+    epee::string_tools::hex_to_pod(txid, hash);
+
+    cryptonote::COMMAND_RPC_GET_TRANSACTIONS::request req;
+    cryptonote::COMMAND_RPC_GET_TRANSACTIONS::response res;
+    req.txs_hashes.push_back(epee::string_tools::pod_to_hex(hash));
+
+    req.decode_as_json = false;
+    req.prune = true;
+
+    bool r;
+    {
+        const boost::lock_guard<boost::recursive_mutex> lock{m_daemon_rpc_mutex};
+        uint64_t pre_call_credits = m_rpc_payment_state.credits;
+        req.client = get_client_signature();
+        r = epee::net_utils::invoke_http_json("/gettransactions", req, res, *m_http_client, rpc_timeout);
+        if (r && res.status == CORE_RPC_STATUS_OK)
+            check_rpc_cost("/gettransactions", res.credits, pre_call_credits, res.txs.size() * COST_PER_TX);
+    }
+
+    MDEBUG("Got " << r << " and " << res.status);
+    if (!(r && res.status == CORE_RPC_STATUS_OK)) {
+        THROW_WALLET_EXCEPTION(error::wallet_internal_error, "Error calling gettransactions daemon RPC: r " + std::to_string(r) + ", status " + get_rpc_status(res.status));
+    }
+
+    if (res.txs.size() != 1) {
+        THROW_WALLET_EXCEPTION(error::wallet_internal_error, "Expected 1 tx, got " + std::to_string(res.txs.size()));
+    }
+
+    const auto &tx_entry = res.txs[0];
+    cryptonote::transaction tx;
+    cryptonote::blobdata bd;
+    crypto::hash tx_hash;
+
+    if (!get_pruned_tx(tx_entry, tx, tx_hash)) {
+        THROW_WALLET_EXCEPTION(error::wallet_internal_error, "Failed to parse transaction from daemon");
+    }
+
+    if (tx_hash != hash) {
+        THROW_WALLET_EXCEPTION(error::wallet_internal_error, "Got txid " + epee::string_tools::pod_to_hex(tx_hash) + " which we did not ask for");
+    }
+
+    process_new_transaction(tx_hash, tx, o_indices, height, block_version, ts, miner_tx, pool, double_spend_seen, {});
+}
 //----------------------------------------------------------------------------------------------------
 void wallet2::process_pool_state(const std::vector<std::tuple<cryptonote::transaction, crypto::hash, bool>> &txs)
 {

src/wallet/wallet2.h

@@ -1543,6 +1543,7 @@ private:
     bool import_key_images(std::vector<crypto::key_image> key_images, size_t offset=0, boost::optional<std::unordered_set<size_t>> selected_transfers=boost::none);
     bool import_key_images(signed_tx_set & signed_tx, size_t offset=0, bool only_selected_transfers=false);
     crypto::public_key get_tx_pub_key_from_received_outs(const tools::wallet2::transfer_details &td) const;
+    void import_tx(const std::string &txid, std::vector<uint64_t> &o_indices, uint64_t height, uint8_t block_version, uint64_t ts, bool miner_tx, bool pool, bool double_spend_seen);
 
     void update_pool_state(std::vector<std::tuple<cryptonote::transaction, crypto::hash, bool>> &process_txs, bool refreshed = false, bool try_incremental = false);
     void process_pool_state(const std::vector<std::tuple<cryptonote::transaction, crypto::hash, bool>> &txs);