From bc59ec3d30633686fd419f83daf34b85e7b462d8 Mon Sep 17 00:00:00 2001
From: Daniyar Itegulov <ditegulov@gmail.com>
Date: Wed, 15 Jun 2022 15:05:41 +1000
Subject: [PATCH] make schemars an optional dependency

---
 near-sdk/Cargo.toml              |  4 ++--
 near-sdk/src/lib.rs              |  1 +
 near-sdk/src/promise.rs          |  7 ++++---
 near-sdk/src/types/account_id.rs | 14 ++------------
 4 files changed, 9 insertions(+), 17 deletions(-)

diff --git a/near-sdk/Cargo.toml b/near-sdk/Cargo.toml
index 5e9b21027..dd60e746f 100644
--- a/near-sdk/Cargo.toml
+++ b/near-sdk/Cargo.toml
@@ -25,7 +25,7 @@ near-sys = { path = "../sys", version = "0.2" }
 base64 = "0.13"
 borsh = { version = "0.9", features = ["const-generics"] }
 bs58 = "0.4"
-schemars = "0.8.8"
+schemars = { version = "0.8.8", optional = true }
 # Export dependencies for contracts
 wee_alloc = { version = "0.4.5", default-features = false, optional = true }
 
@@ -50,4 +50,4 @@ hex = { version = "0.4.3", features = ["serde"] }
 [features]
 default = ["wee_alloc"]
 expensive-debug = []
-unstable = ["once_cell", "near-sdk-macros/unstable"]
+unstable = ["once_cell", "schemars", "near-sdk-macros/unstable"]
diff --git a/near-sdk/src/lib.rs b/near-sdk/src/lib.rs
index 49eedc4e4..5d2ab8131 100644
--- a/near-sdk/src/lib.rs
+++ b/near-sdk/src/lib.rs
@@ -74,5 +74,6 @@ pub use serde;
 #[doc(hidden)]
 pub use serde_json;
 
+#[cfg(feature = "unstable")]
 #[doc(hidden)]
 pub use schemars;
diff --git a/near-sdk/src/promise.rs b/near-sdk/src/promise.rs
index ec75c4b26..f75438698 100644
--- a/near-sdk/src/promise.rs
+++ b/near-sdk/src/promise.rs
@@ -1,5 +1,4 @@
 use borsh::BorshSchema;
-use schemars::JsonSchema;
 use std::cell::RefCell;
 use std::collections::HashMap;
 use std::io::{Error, Write};
@@ -475,7 +474,8 @@ impl borsh::BorshSerialize for Promise {
     }
 }
 
-impl JsonSchema for Promise {
+#[cfg(feature = "unstable")]
+impl schemars::JsonSchema for Promise {
     fn schema_name() -> String {
         "Promise".to_string()
     }
@@ -543,7 +543,8 @@ impl<T: borsh::BorshSerialize> borsh::BorshSerialize for PromiseOrValue<T> {
     }
 }
 
-impl<T: JsonSchema> JsonSchema for PromiseOrValue<T> {
+#[cfg(feature = "unstable")]
+impl<T: schemars::JsonSchema> schemars::JsonSchema for PromiseOrValue<T> {
     fn schema_name() -> String {
         format!("PromiseOrValue{}", T::schema_name())
     }
diff --git a/near-sdk/src/types/account_id.rs b/near-sdk/src/types/account_id.rs
index f89ecdab2..ad14f73f6 100644
--- a/near-sdk/src/types/account_id.rs
+++ b/near-sdk/src/types/account_id.rs
@@ -1,5 +1,4 @@
 use borsh::{maybestd::io, BorshDeserialize, BorshSchema, BorshSerialize};
-use schemars::JsonSchema;
 use serde::{de, Deserialize, Serialize};
 use std::convert::TryFrom;
 use std::fmt;
@@ -35,18 +34,9 @@ use crate::env::is_valid_account_id;
 ///
 /// [`FromStr`]: std::str::FromStr
 #[derive(
-    Debug,
-    Clone,
-    PartialEq,
-    PartialOrd,
-    Ord,
-    Eq,
-    BorshSerialize,
-    Serialize,
-    Hash,
-    BorshSchema,
-    JsonSchema,
+    Debug, Clone, PartialEq, PartialOrd, Ord, Eq, BorshSerialize, Serialize, Hash, BorshSchema,
 )]
+#[cfg_attr(feature = "serde_support", derive(schemars::JsonSchema))]
 pub struct AccountId(String);
 
 impl AccountId {