Nfts attribute read interface (#13349)

* feat: add custom and system attributes to Inspect * feat: add nfts runtime api * fix: pass std feature to runtime api * fix: api copyright Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com> --------- Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>
2026-04-29 14:57:56 +00:00 · 2023-02-23 15:06:12 +00:00
parent 2568c6d48b
commit 4af011f418
10 changed files with 291 additions and 30 deletions
@@ -0,0 +1,28 @@
+[package]
+name = "pallet-nfts-runtime-api"
+version = "4.0.0-dev"
+authors = ["Parity Technologies <admin@parity.io>"]
+edition = "2021"
+license = "Apache-2.0"
+homepage = "https://substrate.io"
+repository = "https://github.com/paritytech/substrate/"
+description = "Runtime API for the FRAME NFTs pallet."
+readme = "README.md"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.2.2", default-features = false, features = ["derive"] }
+frame-support = { version = "4.0.0-dev", default-features = false, path = "../../support" }
+pallet-nfts = { version = "4.0.0-dev", default-features = false, path = "../../nfts" }
+sp-api = { version = "4.0.0-dev", default-features = false, path = "../../../primitives/api" }
+
+[features]
+default = ["std"]
+std = [
+	"codec/std",
+    "frame-support/std",
+	"pallet-nfts/std",
+	"sp-api/std",
+]
@@ -0,0 +1,3 @@
+RPC runtime API for the FRAME NFTs pallet.
+
+License: Apache-2.0
@@ -0,0 +1,57 @@
+// This file is part of Substrate.
+
+// Copyright (C) 2023 Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Runtime API definition for the FRAME NFTs pallet.
+
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use codec::{Decode, Encode};
+use frame_support::dispatch::Vec;
+
+sp_api::decl_runtime_apis! {
+	pub trait NftsApi<AccountId, CollectionId, ItemId>
+	where
+		AccountId: Encode + Decode,
+		CollectionId: Encode,
+		ItemId: Encode,
+	{
+		fn owner(collection: CollectionId, item: ItemId) -> Option<AccountId>;
+
+		fn collection_owner(collection: CollectionId) -> Option<AccountId>;
+
+		fn attribute(
+			collection: CollectionId,
+			item: ItemId,
+			key: Vec<u8>,
+		) -> Option<Vec<u8>>;
+
+		fn custom_attribute(
+			account: AccountId,
+			collection: CollectionId,
+			item: ItemId,
+			key: Vec<u8>,
+		) -> Option<Vec<u8>>;
+
+		fn system_attribute(
+			collection: CollectionId,
+			item: ItemId,
+			key: Vec<u8>,
+		) -> Option<Vec<u8>>;
+
+		fn collection_attribute(collection: CollectionId, key: Vec<u8>) -> Option<Vec<u8>>;
+	}
+}