Tx ID calculation on broadcasting Hive transaction

libraries/plugins/peerplays_sidechain/hive/transaction.cpp

@@ -7,6 +7,19 @@
 
 namespace graphene { namespace peerplays_sidechain { namespace hive {
 
+digest_type transaction::digest() const {
+   digest_type::encoder enc;
+   fc::raw::pack(enc, *this);
+   return enc.result();
+}
+
+transaction_id_type transaction::id() const {
+   auto h = digest();
+   transaction_id_type result;
+   memcpy(result._hash, h._hash, std::min(sizeof(result), sizeof(h)));
+   return result;
+}
+
 digest_type transaction::sig_digest(const chain_id_type &chain_id) const {
    digest_type::encoder enc;
    fc::raw::pack(enc, chain_id);

libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/hive/transaction.hpp

@@ -17,6 +17,8 @@ struct transaction {
    std::vector<hive_operation> operations;
    extensions_type extensions;
 
+   digest_type digest() const;
+   transaction_id_type id() const;
    digest_type sig_digest(const chain_id_type &chain_id) const;
 
    void set_expiration(fc::time_point_sec expiration_time);

libraries/plugins/peerplays_sidechain/include/graphene/peerplays_sidechain/hive/types.hpp

@@ -15,7 +15,7 @@ typedef fc::sha256 chain_id_type;
 typedef std::string account_name_type;
 typedef fc::ripemd160 block_id_type;
 //typedef fc::ripemd160 checksum_type;
-//typedef fc::ripemd160 transaction_id_type;
+typedef fc::ripemd160 transaction_id_type;
 typedef fc::sha256 digest_type;
 typedef fc::ecc::compact_signature signature_type;
 //typedef safe<int64_t> share_type;

libraries/plugins/peerplays_sidechain/sidechain_net_handler_hive.cpp

@@ -496,7 +496,7 @@ std::string sidechain_net_handler_hive::send_sidechain_transaction(const sidecha
    //      return "";
    //   }
 
-   return "";
+   return htrx.id().str();
 }
 
 int64_t sidechain_net_handler_hive::settle_sidechain_transaction(const sidechain_transaction_object &sto) {