Add error::unconfirmable_transaction.

Author: evoskuil

include/bitcoin/server/error.hpp

@@ -61,6 +61,7 @@ enum error_t : uint8_t
     not_found,
     not_implemented,
     invalid_argument,
+    unconfirmable_transaction,
     argument_overflow,
     target_overflow,
     server_error

src/error.cpp

@@ -51,6 +51,7 @@ DEFINE_ERROR_T_MESSAGE_MAP(error)
     { not_found, "not_found" },
     { not_implemented, "not_implemented" },
     { invalid_argument, "invalid_argument" },
+    { unconfirmable_transaction, "unconfirmable_transaction" },
     { argument_overflow, "argument_overflow" },
     { target_overflow, "target_overflow" },
     { server_error, "server_error" }

test/error.cpp

@@ -218,6 +218,15 @@ BOOST_AUTO_TEST_CASE(error_t__code__argument_overflow__true_expected_message)
     BOOST_REQUIRE_EQUAL(ec.message(), "argument_overflow");
 }
 
+BOOST_AUTO_TEST_CASE(error_t__code__unconfirmable_transaction__true_expected_message)
+{
+    constexpr auto value = error::unconfirmable_transaction;
+    const auto ec = code(value);
+    BOOST_REQUIRE(ec);
+    BOOST_REQUIRE(ec == value);
+    BOOST_REQUIRE_EQUAL(ec.message(), "unconfirmable_transaction");
+}
+
 BOOST_AUTO_TEST_CASE(error_t__code__target_overflow__true_expected_message)
 {
     constexpr auto value = error::target_overflow;