Add eoapi.unpack_transaction

main/_eosapi.pyx

@@ -39,6 +39,7 @@ cdef extern from "eosapi.hpp":
     object gen_transaction_(vector[action]& v, int expiration, string& reference_block_id);
     object sign_transaction_(string& trx_json_to_sign, string& str_private_key, string& chain_id);
     object pack_transaction_(string& _signed_trx, int compress)
+    object unpack_transaction_(string& trx)
 
     object create_key_()
     object get_public_key_(string& wif_key)
@@ -121,6 +122,9 @@ def sign_transaction(string& trx_json_to_sign, string& str_private_key, string&
 def pack_transaction(string& _signed_trx, int compress):
     return pack_transaction_(_signed_trx, compress)
 
+def unpack_transaction(string& trx):
+    return unpack_transaction_(trx)
+
 def create_key():
     return create_key_()
 

main/eosapi.cpp

@@ -125,6 +125,15 @@ PyObject* pack_transaction_(std::string& _signed_trx, int compress) {
    return py_new_none();
 }
 
+PyObject* unpack_transaction_(std::string& trx) {
+   try {
+      vector<char> s(trx.c_str(), trx.c_str()+trx.size());
+      auto st = fc::raw::unpack<transaction>(s);
+      std::string ss = fc::json::to_string(st);
+      return py_new_string(ss);
+   } FC_LOG_AND_DROP();
+   return py_new_none();
+}
 
 PyObject* create_key_() {
    auto pk    = private_key_type::generate();

main/eosapi.hpp

@@ -40,4 +40,6 @@ void to_base58_( std::string& raw_pub_key, std::string& pub_key );
 
 void recover_key_( string& _digest, string& _sig, string& _pub );
 
+PyObject* unpack_transaction_(std::string& trx);
+
 #endif /* MAIN_EOSAPI_HPP_ */

main/eosapi.py

@@ -213,6 +213,9 @@ def push_transaction(self, trx, compress=0):
     def pack_transaction(self, trx, compress=0):
         return _eosapi.pack_transaction(trx, compress)
 
+    def unpack_transaction(self, trx):
+        return _eosapi.unpack_transaction(trx)
+
     def push_action(self, contract, action, args, permissions, compress=0):
         act = [contract, action, args, permissions]
         reference_block_id = self.get_info().last_irreversible_block_id