diff --git a/libraries/plugins/peerplays_sidechain/ethereum/transaction.cpp b/libraries/plugins/peerplays_sidechain/ethereum/transaction.cpp
index 4bf2217f..a75327c3 100644
--- a/libraries/plugins/peerplays_sidechain/ethereum/transaction.cpp
+++ b/libraries/plugins/peerplays_sidechain/ethereum/transaction.cpp
@@ -24,6 +24,16 @@ const secp256k1_context *eth_context() {
 
 //! transaction
 
+base_transaction::base_transaction(const std::string &raw_tx) {
+}
+
+//! transaction
+
+transaction::transaction(const std::string &raw_tx) :
+      base_transaction{raw_tx} {
+   deserialize(raw_tx);
+}
+
 const transaction &transaction::sign(const std::string &private_key) const {
    return *this;
 }
@@ -54,6 +64,11 @@ void transaction::deserialize(const std::string &raw_tx) {
 
 //! raw_transaction
 
+raw_transaction::raw_transaction(const std::string &raw_tx) :
+      base_transaction{raw_tx} {
+   deserialize(raw_tx);
+}
+
 bytes raw_transaction::hash() const {
    bytes hash;
    hash.resize(32);
@@ -134,6 +149,11 @@ void raw_transaction::deserialize(const std::string &raw_tx) {
 
 //! signed_transaction
 
+signed_transaction::signed_transaction(const std::string &raw_tx) :
+      base_transaction{raw_tx} {
+   deserialize(raw_tx);
+}
+
 std::string signed_transaction::recover(const std::string &chain_id) const {
    fc::ecc::compact_signature input64;
    fc::from_hex(r, (char *)&input64.at(1), 32);
diff --git a/libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/ethereum/transaction.hpp b/libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/ethereum/transaction.hpp
index f4edf015..693c7284 100644
--- a/libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/ethereum/transaction.hpp
+++ b/libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/ethereum/transaction.hpp
@@ -9,6 +9,10 @@
 namespace graphene { namespace peerplays_sidechain { namespace ethereum {
 
 class base_transaction {
+public:
+   base_transaction() = default;
+   base_transaction(const std::string &raw_tx);
+
    virtual std::string serialize() const = 0;
    virtual void deserialize(const std::string &raw_tx) = 0;
 };
@@ -19,6 +23,9 @@ public:
    std::string to;
    std::string data;
 
+   transaction() = default;
+   transaction(const std::string &raw_tx);
+
    const transaction &sign(const std::string &private_key) const;
 
    virtual std::string serialize() const override;
@@ -36,6 +43,9 @@ public:
    std::string data;
    std::string chain_id;
 
+   raw_transaction() = default;
+   raw_transaction(const std::string &raw_tx);
+
    bytes hash() const;
    signed_transaction sign(const std::string &private_key) const;
 
@@ -55,6 +65,9 @@ public:
    std::string r;
    std::string s;
 
+   signed_transaction() = default;
+   signed_transaction(const std::string &raw_tx);
+
    std::string recover(const std::string &chain_id) const;
 
    virtual std::string serialize() const override;