Remove IPFS integration (#11532)

rpc/src/lib.rs

@@ -41,9 +41,7 @@
 extern crate futures;
 
 extern crate ansi_term;
-extern crate cid;
 extern crate itertools;
-extern crate multihash;
 extern crate order_stat;
 extern crate parking_lot;
 extern crate rand;

rpc/src/v1/helpers/errors.rs

@@ -330,14 +330,6 @@ pub fn encryption<T: fmt::Debug>(error: T) -> Error {
     }
 }
 
-pub fn encoding<T: fmt::Debug>(error: T) -> Error {
-    Error {
-        code: ErrorCode::ServerError(codes::ENCODING_ERROR),
-        message: "Encoding error.".into(),
-        data: Some(Value::String(format!("{:?}", error))),
-    }
-}
-
 pub fn database<T: fmt::Debug>(error: T) -> Error {
     Error {
         code: ErrorCode::ServerError(codes::DATABASE_ERROR),

rpc/src/v1/helpers/ipfs.rs

@@ -1,32 +0,0 @@
-// Copyright 2015-2019 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 super::errors;
-use cid::{Cid, Codec, Version};
-use crypto::digest;
-use jsonrpc_core::Error;
-use multihash;
-use v1::types::Bytes;
-
-/// 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 nonce;
 #[cfg(any(test, feature = "accounts"))]
 pub mod secretstore;

rpc/src/v1/impls/parity.rs

@@ -39,7 +39,7 @@ use v1::{
         block_import::is_major_importing,
         errors,
         external_signer::{SignerService, SigningQueue},
-        fake_sign, ipfs, verify_signature, NetworkSettings,
+        fake_sign, verify_signature, NetworkSettings,
     },
     metadata::Metadata,
     traits::Parity,
@@ -407,10 +407,6 @@ 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

@@ -422,18 +422,6 @@ 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

@@ -195,10 +195,6 @@ 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>>;