From d17eb5ec72b3ea15304a0558699d9f30a36ddbf4 Mon Sep 17 00:00:00 2001
From: Nathaniel <nathan@followmyvote.com>
Date: Fri, 14 Jan 2022 20:10:16 -0600
Subject: [PATCH] Add wallet command for custom_operation

Create a new cli_wallet command, run_custom_operation, which makes it
convenient to run custom_operation transactions which invoke third party
contracts (i.e., dapps)
---
 .../wallet/include/graphene/wallet/wallet.hpp |  4 +++
 libraries/wallet/wallet.cpp                   | 25 +++++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/libraries/wallet/include/graphene/wallet/wallet.hpp b/libraries/wallet/include/graphene/wallet/wallet.hpp
index ac7d8996..b7203ed7 100644
--- a/libraries/wallet/include/graphene/wallet/wallet.hpp
+++ b/libraries/wallet/include/graphene/wallet/wallet.hpp
@@ -2386,6 +2386,9 @@ class wallet_api
                                              bool broadcast);
       vector<account_role_object> get_account_roles_by_owner(string owner_account_id_or_name) const;
 
+      signed_transaction run_custom_operation(string payer_id_or_name, std::vector<string> required_auths,
+                                              string data, uint16_t id=0, bool broadcast=false);
+
       void dbg_make_uia(string creator, string symbol);
       void dbg_make_mia(string creator, string symbol);
       void dbg_push_blocks( std::string src_filename, uint32_t count );
@@ -2709,4 +2712,5 @@ FC_API( graphene::wallet::wallet_api,
         (get_custom_account_authorities_by_permission_id)
         (get_custom_account_authorities_by_permission_name)
         (get_active_custom_account_authorities_by_operation)
+        (run_custom_operation)
       )
diff --git a/libraries/wallet/wallet.cpp b/libraries/wallet/wallet.cpp
index 8ecee060..91fa3f9d 100644
--- a/libraries/wallet/wallet.cpp
+++ b/libraries/wallet/wallet.cpp
@@ -7340,6 +7340,31 @@ vector<account_role_object> wallet_api::get_account_roles_by_owner(string owner_
    account_object owner_account = my->get_account(owner_account_id_or_name);
    return my->_remote_db->get_account_roles_by_owner(owner_account.id);
 }
+
+signed_transaction wallet_api::run_custom_operation(string payer_id_or_name, std::vector<string> required_auths, string data, uint16_t id, bool broadcast)
+{
+   account_object payer = my->get_account(payer_id_or_name);
+   custom_operation op;
+
+   // FC offers no way to have quotes in the data string. Add a simple escape option.
+   boost::replace_all(data, "\\\"", "\"");
+   boost::replace_all(data, "\\\\", "\\");
+
+   op.payer = payer.get_id();
+   if (!required_auths.empty())
+      std::transform(required_auths.begin(), required_auths.end(), std::inserter(op.required_auths, op.required_auths.begin()),
+                     [&my=my](const string& name_or_id) { return my->get_account(name_or_id).get_id(); });
+   op.id = id;
+   op.data.reserve(data.size());
+   op.data.assign(data.begin(), data.end());
+
+   signed_transaction trx;
+   trx.operations = {std::move(op)};
+   my->set_operation_fees(trx, my->_remote_db->get_global_properties().parameters.current_fees);
+   trx.validate();
+
+   return my->sign_transaction(std::move(trx), broadcast);
+}
 // default ctor necessary for FC_REFLECT
 signed_block_with_info::signed_block_with_info()
 {