Drop IPFS support (#11532)

rpc/src/lib.rs

@@ -41,10 +41,8 @@
 extern crate futures;
 
 extern crate ansi_term;
-extern crate cid;
 extern crate itertools;
 extern crate machine;
-extern crate multihash;
 extern crate order_stat;
 extern crate parking_lot;
 extern crate rand;

rpc/src/v1/helpers/ipfs.rs

@@ -1,32 +0,0 @@
-// Copyright 2015-2020 Parity Technologies (UK) Ltd.
-// This file is part of Parity Ethereum.
-
-// Parity Ethereum is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity Ethereum is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity Ethereum.  If not, see <http://www.gnu.org/licenses/>.
-
-//! IPFS utility functions
-
-use multihash;
-use cid::{Cid, Codec, Version};
-use crypto::digest;
-use jsonrpc_core::Error;
-use v1::types::Bytes;
-use super::errors;
-
-/// Compute CIDv0 from protobuf encoded bytes.
-pub fn cid(content: Bytes) -> Result<String, Error> {
-	let hash = digest::sha256(&content.0);
-	let mh = multihash::encode(multihash::Hash::SHA2256, &*hash).map_err(errors::encoding)?;
-	let cid = Cid::new(Codec::DagProtobuf, Version::V0, &mh);
-	Ok(cid.to_string())
-}

rpc/src/v1/helpers/mod.rs

@@ -26,7 +26,6 @@ pub mod eip191;
 pub mod engine_signer;
 pub mod external_signer;
 pub mod fake_sign;
-pub mod ipfs;
 pub mod light_fetch;
 pub mod nonce;
 #[cfg(any(test, feature = "accounts"))]

rpc/src/v1/impls/light/parity.rs

@@ -33,7 +33,7 @@ use ethcore_logger::RotatingLogger;
 use jsonrpc_core::{Result, BoxFuture};
 use jsonrpc_core::futures::{future, Future};
 use light::on_demand::OnDemandRequester;
-use v1::helpers::{self, errors, ipfs, NetworkSettings, verify_signature};
+use v1::helpers::{self, errors, NetworkSettings, verify_signature};
 use v1::helpers::external_signer::{SignerService, SigningQueue};
 use v1::helpers::dispatch::LightDispatcher;
 use v1::helpers::light_fetch::{LightFetch, light_all_transactions};
@@ -372,10 +372,6 @@ where
 		Box::new(self.fetcher().receipts(id).and_then(|receipts| Ok(receipts.into_iter().map(Into::into).collect())))
 	}
 
-	fn ipfs_cid(&self, content: Bytes) -> Result<String> {
-		ipfs::cid(content)
-	}
-
 	fn call(&self, _requests: Vec<CallRequest>, _block: Option<BlockNumber>) -> Result<Vec<Bytes>> {
 		Err(errors::light_unimplemented(None))
 	}

rpc/src/v1/impls/parity.rs

@@ -40,7 +40,7 @@ use types::{
 use updater::{Service as UpdateService};
 use version::version_data;
 
-use v1::helpers::{self, errors, fake_sign, ipfs, NetworkSettings, verify_signature};
+use v1::helpers::{self, errors, fake_sign, NetworkSettings, verify_signature};
 use v1::helpers::external_signer::{SigningQueue, SignerService};
 use v1::metadata::Metadata;
 use v1::traits::Parity;
@@ -396,10 +396,6 @@ impl<C, M, U, S> Parity for ParityClient<C, M, U> where
 		Box::new(future::ok(receipts.into_iter().map(Into::into).collect()))
 	}
 
-	fn ipfs_cid(&self, content: Bytes) -> Result<String> {
-		ipfs::cid(content)
-	}
-
 	fn call(&self, requests: Vec<CallRequest>, num: Option<BlockNumber>) -> Result<Vec<Bytes>> {
 		let requests = requests
 			.into_iter()

rpc/src/v1/tests/mocked/parity.rs

@@ -469,17 +469,6 @@ fn rpc_parity_node_kind() {
 	assert_eq!(io.handle_request_sync(request), Some(response.to_owned()));
 }
 
-#[test]
-fn rpc_parity_cid() {
-	let deps = Dependencies::new();
-	let io = deps.default_client();
-
-	let request = r#"{"jsonrpc": "2.0", "method": "parity_cidV0", "params":["0x414243"], "id": 1}"#;
-	let response = r#"{"jsonrpc":"2.0","result":"QmSF59MAENc8ZhM4aM1thuAE8w5gDmyfzkAvNoyPea7aDz","id":1}"#;
-
-	assert_eq!(io.handle_request_sync(request), Some(response.to_owned()));
-}
-
 #[test]
 fn rpc_parity_call() {
 	let deps = Dependencies::new();

rpc/src/v1/traits/parity.rs

@@ -207,10 +207,6 @@ pub trait Parity {
 	#[rpc(name = "parity_getBlockReceipts")]
 	fn block_receipts(&self, _: Option<BlockNumber>) -> BoxFuture<Vec<Receipt>>;
 
-	/// Get IPFS CIDv0 given protobuf encoded bytes.
-	#[rpc(name = "parity_cidV0")]
-	fn ipfs_cid(&self, _: Bytes) -> Result<String>;
-
 	/// Call contract, returning the output data.
 	#[rpc(name = "parity_call")]
 	fn call(&self, _: Vec<CallRequest>, _: Option<BlockNumber>) -> Result<Vec<Bytes>>;