`8bbc7539fcb3`

source

client/rpc/src/lib.rs7.2 KiBsource history
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617use std::sync::Arc;1819use codec::Decode;20use jsonrpc_core::{Error as RpcError, ErrorCode, Result};21use jsonrpc_derive::rpc;22use up_data_structs::{Collection, CollectionId, CollectionStats, TokenId};23use sp_api::{BlockId, BlockT, ProvideRuntimeApi, ApiExt};24use sp_blockchain::HeaderBackend;25use up_rpc::UniqueApi as UniqueRuntimeApi;2627#[rpc]28pub trait UniqueApi<BlockHash, CrossAccountId, AccountId> {29	#[rpc(name = "unique_accountTokens")]30	fn account_tokens(31		&self,32		collection: CollectionId,33		account: CrossAccountId,34		at: Option<BlockHash>,35	) -> Result<Vec<TokenId>>;36	#[rpc(name = "unique_tokenExists")]37	fn token_exists(38		&self,39		collection: CollectionId,40		token: TokenId,41		at: Option<BlockHash>,42	) -> Result<bool>;4344	#[rpc(name = "unique_tokenOwner")]45	fn token_owner(46		&self,47		collection: CollectionId,48		token: TokenId,49		at: Option<BlockHash>,50	) -> Result<Option<CrossAccountId>>;51	#[rpc(name = "unique_constMetadata")]52	fn const_metadata(53		&self,54		collection: CollectionId,55		token: TokenId,56		at: Option<BlockHash>,57	) -> Result<Vec<u8>>;58	#[rpc(name = "unique_variableMetadata")]59	fn variable_metadata(60		&self,61		collection: CollectionId,62		token: TokenId,63		at: Option<BlockHash>,64	) -> Result<Vec<u8>>;6566	#[rpc(name = "unique_collectionTokens")]67	fn collection_tokens(&self, collection: CollectionId, at: Option<BlockHash>) -> Result<u32>;68	#[rpc(name = "unique_accountBalance")]69	fn account_balance(70		&self,71		collection: CollectionId,72		account: CrossAccountId,73		at: Option<BlockHash>,74	) -> Result<u32>;75	#[rpc(name = "unique_balance")]76	fn balance(77		&self,78		collection: CollectionId,79		account: CrossAccountId,80		token: TokenId,81		at: Option<BlockHash>,82	) -> Result<String>;83	#[rpc(name = "unique_allowance")]84	fn allowance(85		&self,86		collection: CollectionId,87		sender: CrossAccountId,88		spender: CrossAccountId,89		token: TokenId,90		at: Option<BlockHash>,91	) -> Result<String>;9293	#[rpc(name = "unique_adminlist")]94	fn adminlist(95		&self,96		collection: CollectionId,97		at: Option<BlockHash>,98	) -> Result<Vec<CrossAccountId>>;99	#[rpc(name = "unique_allowlist")]100	fn allowlist(101		&self,102		collection: CollectionId,103		at: Option<BlockHash>,104	) -> Result<Vec<CrossAccountId>>;105	#[rpc(name = "unique_allowed")]106	fn allowed(107		&self,108		collection: CollectionId,109		user: CrossAccountId,110		at: Option<BlockHash>,111	) -> Result<bool>;112	#[rpc(name = "unique_lastTokenId")]113	fn last_token_id(&self, collection: CollectionId, at: Option<BlockHash>) -> Result<TokenId>;114	#[rpc(name = "unique_collectionById")]115	fn collection_by_id(116		&self,117		collection: CollectionId,118		at: Option<BlockHash>,119	) -> Result<Option<Collection<AccountId>>>;120	#[rpc(name = "unique_collectionStats")]121	fn collection_stats(&self, at: Option<BlockHash>) -> Result<CollectionStats>;122123	#[rpc(name = "unique_nextSponsored")]124	fn next_sponsored(125		&self,126		collection: CollectionId,127		account: CrossAccountId,128		token: TokenId,129		at: Option<BlockHash>,130	) -> Result<Option<u64>>;131}132133pub struct Unique<C, P> {134	client: Arc<C>,135	_marker: std::marker::PhantomData<P>,136}137138impl<C, P> Unique<C, P> {139	pub fn new(client: Arc<C>) -> Self {140		Self {141			client,142			_marker: Default::default(),143		}144	}145}146147pub enum Error {148	RuntimeError,149}150151impl From<Error> for i64 {152	fn from(e: Error) -> i64 {153		match e {154			Error::RuntimeError => 1,155		}156	}157}158159macro_rules! pass_method {160	(161		$method_name:ident($($name:ident: $ty:ty),* $(,)?) -> $result:ty $(=> $mapper:expr)?162		$(; changed_in $ver:expr, $changed_method_name:ident ($($changed_name:expr), * $(,)?) => $fixer:expr)*163	) => {164		fn $method_name(165			&self,166			$(167				$name: $ty,168			)*169			at: Option<<Block as BlockT>::Hash>,170		) -> Result<$result> {171			let api = self.client.runtime_api();172			let at = BlockId::hash(at.unwrap_or_else(|| self.client.info().best_hash));173			let _api_version = if let Ok(Some(api_version)) =174				api.api_version::<dyn UniqueRuntimeApi<Block, CrossAccountId, AccountId>>(&at)175			{176				api_version177			} else {178				// unreachable for our runtime179				return Err(RpcError {180					code: ErrorCode::InvalidParams,181					message: "Api is not available".into(),182					data: None,183				})184			};185186			let result = $(if _api_version < $ver {187				api.$changed_method_name(&at, $($changed_name),*).map(|r| r.map($fixer))188			} else)*189			{ api.$method_name(&at, $($name),*) };190191			let result = result.map_err(|e| RpcError {192				code: ErrorCode::ServerError(Error::RuntimeError.into()),193				message: "Unable to query".into(),194				data: Some(format!("{:?}", e).into()),195			})?;196			result.map_err(|e| RpcError {197				code: ErrorCode::InvalidParams,198				message: "Runtime returned error".into(),199				data: Some(format!("{:?}", e).into()),200			})$(.map($mapper))?201		}202	};203}204205#[allow(deprecated)]206impl<C, Block, CrossAccountId, AccountId>207	UniqueApi<<Block as BlockT>::Hash, CrossAccountId, AccountId> for Unique<C, Block>208where209	Block: BlockT,210	AccountId: Decode,211	C: 'static + ProvideRuntimeApi<Block> + HeaderBackend<Block>,212	C::Api: UniqueRuntimeApi<Block, CrossAccountId, AccountId>,213	CrossAccountId: pallet_common::account::CrossAccountId<AccountId>,214{215	pass_method!(account_tokens(collection: CollectionId, account: CrossAccountId) -> Vec<TokenId>);216	pass_method!(token_exists(collection: CollectionId, token: TokenId) -> bool);217	pass_method!(218		token_owner(collection: CollectionId, token: TokenId) -> Option<CrossAccountId>;219		changed_in 2, token_owner_before_version_2(collection, token) => |u| Some(u)220	);221	pass_method!(const_metadata(collection: CollectionId, token: TokenId) -> Vec<u8>);222	pass_method!(variable_metadata(collection: CollectionId, token: TokenId) -> Vec<u8>);223	pass_method!(collection_tokens(collection: CollectionId) -> u32);224	pass_method!(account_balance(collection: CollectionId, account: CrossAccountId) -> u32);225	pass_method!(balance(collection: CollectionId, account: CrossAccountId, token: TokenId) -> String => |v| v.to_string());226	pass_method!(allowance(collection: CollectionId, sender: CrossAccountId, spender: CrossAccountId, token: TokenId) -> String => |v| v.to_string());227228	pass_method!(adminlist(collection: CollectionId) -> Vec<CrossAccountId>);229	pass_method!(allowlist(collection: CollectionId) -> Vec<CrossAccountId>);230	pass_method!(allowed(collection: CollectionId, user: CrossAccountId) -> bool);231	pass_method!(last_token_id(collection: CollectionId) -> TokenId);232	pass_method!(collection_by_id(collection: CollectionId) -> Option<Collection<AccountId>>);233	pass_method!(collection_stats() -> CollectionStats);234	pass_method!(next_sponsored(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Option<u64>);235}