Merge branch 'master' into td-ui-2

This commit is contained in:
Tomasz Drwięga 2017-10-19 15:46:15 +02:00
commit bfcf4c4281
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GPG Key ID: D066F497E62CAF66
11 changed files with 640 additions and 46 deletions

3
Cargo.lock generated
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@ -700,6 +700,7 @@ dependencies = [
"rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_json 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
"slab 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"snappy 0.1.0",
"time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
"tiny-keccak 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -2265,7 +2266,7 @@ dependencies = [
[[package]]
name = "parity-ui-precompiled"
version = "1.4.0"
source = "git+https://github.com/paritytech/js-precompiled.git#fe0b4dbdfe6e7ebebb247d565d937fd0a0feca5f"
source = "git+https://github.com/paritytech/js-precompiled.git#29360e67331334a9ec3aafdb3725d8f7d8b5d2a1"
dependencies = [
"parity-dapps-glue 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
]

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@ -37,8 +37,8 @@ use trezor_sys::messages::{EthereumAddress, PinMatrixAck, MessageType, EthereumT
const TREZOR_VID: u16 = 0x534c;
const TREZOR_PIDS: [u16; 1] = [0x0001]; // Trezor v1, keeping this as an array to leave room for Trezor v2 which is in progress
const ETH_DERIVATION_PATH: [u32; 4] = [0x8000002C, 0x8000003C, 0x80000000, 0]; // m/44'/60'/0'/0
const ETC_DERIVATION_PATH: [u32; 4] = [0x8000002C, 0x8000003D, 0x80000000, 0]; // m/44'/61'/0'/0
const ETH_DERIVATION_PATH: [u32; 5] = [0x8000002C, 0x8000003C, 0x80000000, 0, 0]; // m/44'/60'/0'/0/0
const ETC_DERIVATION_PATH: [u32; 5] = [0x8000002C, 0x8000003D, 0x80000000, 0, 0]; // m/44'/61'/0'/0/0
/// Hardware wallet error.

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@ -32,14 +32,19 @@ class TokenImage extends Component {
}).isRequired
};
state = {
error: false
};
render () {
const { error } = this.state;
const { api } = this.context;
const { image, token } = this.props;
const imageurl = token.image || image;
let imagesrc = unknownImage;
if (imageurl) {
if (imageurl && !error) {
const host = /^(\/)?api/.test(imageurl)
? api.dappsUrl
: '';
@ -49,11 +54,16 @@ class TokenImage extends Component {
return (
<img
src={ imagesrc }
alt={ token.name }
onError={ this.handleError }
src={ imagesrc }
/>
);
}
handleError = () => {
this.setState({ error: true });
};
}
function mapStateToProps (iniState) {

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@ -0,0 +1,250 @@
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity 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 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. If not, see <http://www.gnu.org/licenses/>.
import { chunk, uniq } from 'lodash';
import store from 'store';
import Contracts from '~/contracts';
import { LOG_KEYS, getLogger } from '~/config';
import { fetchTokenIds, fetchTokensBasics, fetchTokensInfo, fetchTokensImages } from '~/util/tokens';
import { setAddressImage } from './imagesActions';
const TOKENS_CACHE_LS_KEY_PREFIX = '_parity::tokens::';
const log = getLogger(LOG_KEYS.Balances);
function _setTokens (tokens) {
return {
type: 'setTokens',
tokens
};
}
export function setTokens (nextTokens) {
return (dispatch, getState) => {
const { nodeStatus, tokens: prevTokens } = getState();
const { tokenReg } = Contracts.get();
const tokens = {
...prevTokens,
...nextTokens
};
return tokenReg.getContract()
.then((tokenRegContract) => {
const lsKey = TOKENS_CACHE_LS_KEY_PREFIX + nodeStatus.netChain;
store.set(lsKey, {
tokenreg: tokenRegContract.address,
tokens
});
})
.catch((error) => {
console.error(error);
})
.then(() => {
dispatch(_setTokens(nextTokens));
});
};
}
function loadCachedTokens (tokenRegContract) {
return (dispatch, getState) => {
const { nodeStatus } = getState();
const lsKey = TOKENS_CACHE_LS_KEY_PREFIX + nodeStatus.netChain;
const cached = store.get(lsKey);
if (cached) {
// Check if we have data from the right contract
if (cached.tokenreg === tokenRegContract.address && cached.tokens) {
log.debug('found cached tokens', cached.tokens);
// Fetch all the tokens images on load
// (it's the only thing that might have changed)
const tokenIndexes = Object.values(cached.tokens)
.filter((t) => t && t.fetched)
.map((t) => t.index);
fetchTokensData(tokenRegContract, tokenIndexes)(dispatch, getState);
} else {
store.remove(lsKey);
}
}
};
}
export function loadTokens (options = {}) {
log.debug('loading tokens', Object.keys(options).length ? options : '');
return (dispatch, getState) => {
const { tokenReg } = Contracts.get();
return tokenReg.getContract()
.then((tokenRegContract) => {
loadCachedTokens(tokenRegContract)(dispatch, getState);
return fetchTokenIds(tokenRegContract.instance);
})
.then((tokenIndexes) => loadTokensBasics(tokenIndexes, options)(dispatch, getState))
.catch((error) => {
console.warn('tokens::loadTokens', error);
});
};
}
export function loadTokensBasics (tokenIndexes, options) {
const limit = 64;
return (dispatch, getState) => {
const { api } = getState();
const { tokenReg } = Contracts.get();
const nextTokens = {};
const count = tokenIndexes.length;
log.debug('loading basic tokens', tokenIndexes);
if (count === 0) {
return Promise.resolve();
}
return tokenReg.getContract()
.then((tokenRegContract) => {
let promise = Promise.resolve();
const first = tokenIndexes[0];
const last = tokenIndexes[tokenIndexes.length - 1];
for (let from = first; from <= last; from += limit) {
// No need to fetch `limit` elements
const lowerLimit = Math.min(limit, last - from + 1);
promise = promise
.then(() => fetchTokensBasics(api, tokenRegContract, from, lowerLimit))
.then((results) => {
results
.forEach((token) => {
nextTokens[token.id] = token;
});
});
}
return promise;
})
.then(() => {
log.debug('fetched tokens basic info', nextTokens);
dispatch(setTokens(nextTokens));
})
.catch((error) => {
console.warn('tokens::fetchTokens', error);
});
};
}
export function fetchTokens (_tokenIndexes) {
const tokenIndexes = uniq(_tokenIndexes || []);
const tokenChunks = chunk(tokenIndexes, 64);
return (dispatch, getState) => {
const { tokenReg } = Contracts.get();
return tokenReg.getContract()
.then((tokenRegContract) => {
let promise = Promise.resolve();
tokenChunks.forEach((tokenChunk) => {
promise = promise
.then(() => fetchTokensData(tokenRegContract, tokenChunk)(dispatch, getState));
});
return promise;
})
.then(() => {
log.debug('fetched token', getState().tokens);
})
.catch((error) => {
console.warn('tokens::fetchTokens', error);
});
};
}
/**
* Split the given token indexes between those for whom
* we already have some info, and thus just need to fetch
* the image, and those for whom we don't have anything and
* need to fetch all the info.
*/
function fetchTokensData (tokenRegContract, tokenIndexes) {
return (dispatch, getState) => {
const { api, tokens, images } = getState();
const allTokens = Object.values(tokens);
const tokensIndexesMap = allTokens
.reduce((map, token) => {
map[token.index] = token;
return map;
}, {});
const fetchedTokenIndexes = allTokens
.filter((token) => token.fetched)
.map((token) => token.index);
const fullIndexes = [];
const partialIndexes = [];
tokenIndexes.forEach((tokenIndex) => {
if (fetchedTokenIndexes.includes(tokenIndex)) {
partialIndexes.push(tokenIndex);
} else {
fullIndexes.push(tokenIndex);
}
});
log.debug('need to fully fetch', fullIndexes);
log.debug('need to partially fetch', partialIndexes);
const fullPromise = fetchTokensInfo(api, tokenRegContract, fullIndexes);
const partialPromise = fetchTokensImages(api, tokenRegContract, partialIndexes)
.then((imagesResult) => {
return imagesResult.map((image, index) => {
const tokenIndex = partialIndexes[index];
const token = tokensIndexesMap[tokenIndex];
return { ...token, image };
});
});
return Promise.all([ fullPromise, partialPromise ])
.then(([ fullResults, partialResults ]) => {
log.debug('fetched', { fullResults, partialResults });
return [].concat(fullResults, partialResults)
.filter(({ address }) => !/0x0*$/.test(address))
.reduce((tokens, token) => {
const { id, image, address } = token;
// dispatch only the changed images
if (images[address] !== image) {
dispatch(setAddressImage(address, image, true));
}
tokens[id] = token;
return tokens;
}, {});
})
.then((tokens) => {
dispatch(setTokens(tokens));
});
};
}

299
js/src/util/tokens/index.js Normal file
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@ -0,0 +1,299 @@
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity 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 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. If not, see <http://www.gnu.org/licenses/>.
import { range } from 'lodash';
import BigNumber from 'bignumber.js';
import { hashToImageUrl } from '~/redux/util';
import { sha3 } from '~/api/util/sha3';
import imagesEthereum from '~/../assets/images/contracts/ethereum-black-64x64.png';
import {
tokenAddresses as tokenAddressesBytcode,
tokensBalances as tokensBalancesBytecode
} from './bytecodes';
export const ETH_TOKEN = {
address: '',
format: new BigNumber(10).pow(18),
id: getTokenId('eth_native_token'),
image: imagesEthereum,
name: 'Ethereum',
native: true,
tag: 'ETH'
};
export function fetchTokenIds (tokenregInstance) {
return tokenregInstance.tokenCount
.call()
.then((numTokens) => {
const tokenIndexes = range(numTokens.toNumber());
return tokenIndexes;
});
}
export function fetchTokensBasics (api, tokenReg, start = 0, limit = 100) {
const tokenAddressesCallData = encode(
api,
[ 'address', 'uint', 'uint' ],
[ tokenReg.address, start, limit ]
);
return api.eth
.call({ data: tokenAddressesBytcode + tokenAddressesCallData })
.then((result) => {
return decodeArray(api, 'address[]', result);
})
.then((tokenAddresses) => {
return tokenAddresses.map((tokenAddress, index) => {
if (/^0x0*$/.test(tokenAddress)) {
return null;
}
const tokenIndex = start + index;
return {
address: tokenAddress,
id: getTokenId(tokenAddress, tokenIndex),
index: tokenIndex,
fetched: false
};
});
})
.then((tokens) => tokens.filter((token) => token))
.then((tokens) => {
const randomAddress = sha3(`${Date.now()}`).substr(0, 42);
return fetchTokensBalances(api, tokens, [randomAddress])
.then((_balances) => {
const balances = _balances[randomAddress];
return tokens.filter(({ id }) => balances[id].eq(0));
});
});
}
export function fetchTokensInfo (api, tokenReg, tokenIndexes) {
const requests = tokenIndexes.map((tokenIndex) => {
const tokenCalldata = tokenReg.getCallData(tokenReg.instance.token, {}, [tokenIndex]);
return { to: tokenReg.address, data: tokenCalldata };
});
const calls = requests.map((req) => api.eth.call(req));
const imagesPromise = fetchTokensImages(api, tokenReg, tokenIndexes);
return Promise.all(calls)
.then((results) => {
return imagesPromise.then((images) => [ results, images ]);
})
.then(([ results, images ]) => {
return results.map((rawTokenData, index) => {
const tokenIndex = tokenIndexes[index];
const tokenData = tokenReg.instance.token
.decodeOutput(rawTokenData)
.map((t) => t.value);
const [ address, tag, format, name ] = tokenData;
const image = images[index];
const token = {
address,
id: getTokenId(address, tokenIndex),
index: tokenIndex,
format: format.toString(),
image,
name,
tag,
fetched: true
};
return token;
});
});
}
export function fetchTokensImages (api, tokenReg, tokenIndexes) {
const requests = tokenIndexes.map((tokenIndex) => {
const metaCalldata = tokenReg.getCallData(tokenReg.instance.meta, {}, [tokenIndex, 'IMG']);
return { to: tokenReg.address, data: metaCalldata };
});
const calls = requests.map((req) => api.eth.call(req));
return Promise.all(calls)
.then((results) => {
return results.map((rawImage) => {
const image = tokenReg.instance.meta.decodeOutput(rawImage)[0].value;
return hashToImageUrl(image);
});
});
}
/**
* `updates` should be in the shape:
* {
* [ who ]: [ tokenId ] // Array of tokens to updates
* }
*
* Returns a Promise resolved with the balances in the shape:
* {
* [ who ]: { [ tokenId ]: BigNumber } // The balances of `who`
* }
*/
export function fetchAccountsBalances (api, tokens, updates) {
const accountAddresses = Object.keys(updates);
// Updates for the ETH balances
const ethUpdates = accountAddresses
.filter((accountAddress) => {
return updates[accountAddress].find((tokenId) => tokenId === ETH_TOKEN.id);
})
.reduce((nextUpdates, accountAddress) => {
nextUpdates[accountAddress] = [ETH_TOKEN.id];
return nextUpdates;
}, {});
// Updates for Tokens balances
const tokenUpdates = Object.keys(updates)
.reduce((nextUpdates, accountAddress) => {
const tokenIds = updates[accountAddress].filter((tokenId) => tokenId !== ETH_TOKEN.id);
if (tokenIds.length > 0) {
nextUpdates[accountAddress] = tokenIds;
}
return nextUpdates;
}, {});
let ethBalances = {};
let tokensBalances = {};
const ethPromise = fetchEthBalances(api, Object.keys(ethUpdates))
.then((_ethBalances) => {
ethBalances = _ethBalances;
});
const tokenPromise = Object.keys(tokenUpdates)
.reduce((tokenPromise, accountAddress) => {
const tokenIds = tokenUpdates[accountAddress];
const updateTokens = tokens
.filter((t) => tokenIds.includes(t.id));
return tokenPromise
.then(() => fetchTokensBalances(api, updateTokens, [ accountAddress ]))
.then((balances) => {
tokensBalances[accountAddress] = balances[accountAddress];
});
}, Promise.resolve());
return Promise.all([ ethPromise, tokenPromise ])
.then(() => {
const balances = Object.assign({}, tokensBalances);
Object.keys(ethBalances).forEach((accountAddress) => {
if (!balances[accountAddress]) {
balances[accountAddress] = {};
}
balances[accountAddress] = Object.assign(
{},
balances[accountAddress],
ethBalances[accountAddress]
);
});
return balances;
});
}
function fetchEthBalances (api, accountAddresses) {
const promises = accountAddresses
.map((accountAddress) => api.eth.getBalance(accountAddress));
return Promise.all(promises)
.then((balancesArray) => {
return balancesArray.reduce((balances, balance, index) => {
balances[accountAddresses[index]] = {
[ETH_TOKEN.id]: balance
};
return balances;
}, {});
});
}
function fetchTokensBalances (api, tokens, accountAddresses) {
const tokenAddresses = tokens.map((t) => t.address);
const tokensBalancesCallData = encode(
api,
[ 'address[]', 'address[]' ],
[ accountAddresses, tokenAddresses ]
);
return api.eth
.call({ data: tokensBalancesBytecode + tokensBalancesCallData })
.then((result) => {
const rawBalances = decodeArray(api, 'uint[]', result);
const balances = {};
accountAddresses.forEach((accountAddress, accountIndex) => {
const balance = {};
const preIndex = accountIndex * tokenAddresses.length;
tokenAddresses.forEach((tokenAddress, tokenIndex) => {
const index = preIndex + tokenIndex;
const token = tokens[tokenIndex];
balance[token.id] = rawBalances[index];
});
balances[accountAddress] = balance;
});
return balances;
});
}
function getTokenId (...args) {
return sha3(args.join('')).slice(0, 10);
}
function encode (api, types, values) {
return api.util.abiEncode(
null,
types,
values
).replace('0x', '');
}
function decodeArray (api, type, data) {
return api.util
.abiDecode(
[type],
[
'0x',
(32).toString(16).padStart(64, 0),
data.replace('0x', '')
].join('')
)[0]
.map((t) => t.value);
}

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@ -33,6 +33,7 @@ path = { path = "../path" }
ethcore-logger = { path ="../../logger" }
ipnetwork = "0.12.6"
hash = { path = "../hash" }
snappy = { path = "../snappy" }
serde_json = "1.0"
[features]

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@ -40,6 +40,7 @@ use crypto;
const ENCRYPTED_HEADER_LEN: usize = 32;
const RECIEVE_PAYLOAD_TIMEOUT: u64 = 30000;
pub const MAX_PAYLOAD_SIZE: usize = (1 << 24) - 1;
pub trait GenericSocket : Read + Write {
}
@ -345,7 +346,7 @@ impl EncryptedConnection {
ingress_mac: ingress_mac,
read_state: EncryptedConnectionState::Header,
protocol_id: 0,
payload_len: 0
payload_len: 0,
};
enc.connection.expect(ENCRYPTED_HEADER_LEN);
Ok(enc)
@ -355,7 +356,7 @@ impl EncryptedConnection {
pub fn send_packet<Message>(&mut self, io: &IoContext<Message>, payload: &[u8]) -> Result<(), NetworkError> where Message: Send + Clone + Sync + 'static {
let mut header = RlpStream::new();
let len = payload.len();
if len >= (1 << 24) {
if len > MAX_PAYLOAD_SIZE {
return Err(NetworkError::OversizedPacket);
}
header.append_raw(&[(len >> 16) as u8, (len >> 8) as u8, len as u8], 1);

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@ -19,6 +19,7 @@ use rlp::*;
use std::fmt;
use ethkey::Error as KeyError;
use crypto::Error as CryptoError;
use snappy;
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub enum DisconnectReason
@ -107,6 +108,8 @@ pub enum NetworkError {
StdIo(::std::io::Error),
/// Packet size is over the protocol limit.
OversizedPacket,
/// Decompression error.
Decompression(snappy::InvalidInput),
}
impl fmt::Display for NetworkError {
@ -126,6 +129,7 @@ impl fmt::Display for NetworkError {
StdIo(ref err) => format!("{}", err),
InvalidNodeId => "Invalid node id".into(),
OversizedPacket => "Packet is too large".into(),
Decompression(ref err) => format!("Error decompressing packet: {}", err),
};
f.write_fmt(format_args!("Network error ({})", msg))
@ -162,6 +166,12 @@ impl From<CryptoError> for NetworkError {
}
}
impl From<snappy::InvalidInput> for NetworkError {
fn from(err: snappy::InvalidInput) -> NetworkError {
NetworkError::Decompression(err)
}
}
impl From<::std::net::AddrParseError> for NetworkError {
fn from(err: ::std::net::AddrParseError) -> NetworkError {
NetworkError::AddressParse(err)

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@ -256,7 +256,7 @@ impl<'s> NetworkContext<'s> {
pub fn send_protocol(&self, protocol: ProtocolId, peer: PeerId, packet_id: PacketId, data: Vec<u8>) -> Result<(), NetworkError> {
let session = self.resolve_session(peer);
if let Some(session) = session {
session.lock().send_packet(self.io, protocol, packet_id as u8, &data)?;
session.lock().send_packet(self.io, Some(protocol), packet_id as u8, &data)?;
} else {
trace!(target: "network", "Send: Peer no longer exist")
}
@ -938,7 +938,7 @@ impl Host {
for (p, packet_id, data) in packet_data {
let reserved = self.reserved_nodes.read();
if let Some(h) = handlers.get(&p).clone() {
h.read(&NetworkContext::new(io, p, Some(session.clone()), self.sessions.clone(), &reserved), &token, packet_id, &data[1..]);
h.read(&NetworkContext::new(io, p, Some(session.clone()), self.sessions.clone(), &reserved), &token, packet_id, &data);
}
}
}

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@ -81,6 +81,7 @@ extern crate ethcore_logger;
extern crate ipnetwork;
extern crate hash;
extern crate serde_json;
extern crate snappy;
#[macro_use]
extern crate log;
@ -115,7 +116,7 @@ pub use node_table::{is_valid_node_url, NodeId};
use ipnetwork::{IpNetwork, IpNetworkError};
use std::str::FromStr;
const PROTOCOL_VERSION: u32 = 4;
const PROTOCOL_VERSION: u32 = 5;
/// Network IO protocol handler. This needs to be implemented for each new subprotocol.
/// All the handler function are called from within IO event loop.

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@ -25,7 +25,7 @@ use mio::deprecated::{Handler, EventLoop};
use mio::tcp::*;
use bigint::hash::*;
use rlp::*;
use connection::{EncryptedConnection, Packet, Connection};
use connection::{EncryptedConnection, Packet, Connection, MAX_PAYLOAD_SIZE};
use handshake::Handshake;
use io::{IoContext, StreamToken};
use error::{NetworkError, DisconnectReason};
@ -33,10 +33,13 @@ use host::*;
use node_table::NodeId;
use stats::NetworkStats;
use time;
use snappy;
// Timeout must be less than (interval - 1).
const PING_TIMEOUT_SEC: u64 = 60;
const PING_INTERVAL_SEC: u64 = 120;
const MIN_PROTOCOL_VERSION: u32 = 4;
const MIN_COMPRESSION_PROTOCOL_VERSION: u32 = 5;
#[derive(Debug, Clone)]
enum ProtocolState {
@ -61,6 +64,7 @@ pub struct Session {
state: State,
// Protocol states -- accumulates pending packets until signaled as ready.
protocol_states: HashMap<ProtocolId, ProtocolState>,
compression: bool,
}
enum State {
@ -198,6 +202,7 @@ impl Session {
pong_time_ns: None,
expired: false,
protocol_states: HashMap::new(),
compression: false,
})
}
@ -211,7 +216,6 @@ impl Session {
};
self.state = State::Session(connection);
self.write_hello(io, host)?;
self.send_ping(io)?;
Ok(())
}
@ -326,28 +330,43 @@ impl Session {
}
/// Send a protocol packet to peer.
pub fn send_packet<Message>(&mut self, io: &IoContext<Message>, protocol: [u8; 3], packet_id: u8, data: &[u8]) -> Result<(), NetworkError>
pub fn send_packet<Message>(&mut self, io: &IoContext<Message>, protocol: Option<[u8; 3]>, packet_id: u8, data: &[u8]) -> Result<(), NetworkError>
where Message: Send + Sync + Clone {
if self.info.capabilities.is_empty() || !self.had_hello {
debug!(target: "network", "Sending to unconfirmed session {}, protocol: {}, packet: {}", self.token(), str::from_utf8(&protocol[..]).unwrap_or("??"), packet_id);
if protocol.is_some() && (self.info.capabilities.is_empty() || !self.had_hello) {
debug!(target: "network", "Sending to unconfirmed session {}, protocol: {:?}, packet: {}", self.token(), protocol.as_ref().map(|p| str::from_utf8(&p[..]).unwrap_or("??")), packet_id);
return Err(From::from(NetworkError::BadProtocol));
}
if self.expired() {
return Err(From::from(NetworkError::Expired));
}
let mut i = 0usize;
while protocol != self.info.capabilities[i].protocol {
i += 1;
if i == self.info.capabilities.len() {
debug!(target: "network", "Unknown protocol: {:?}", protocol);
return Ok(())
}
}
let pid = self.info.capabilities[i].id_offset + packet_id;
let pid = match protocol {
Some(protocol) => {
while protocol != self.info.capabilities[i].protocol {
i += 1;
if i == self.info.capabilities.len() {
debug!(target: "network", "Unknown protocol: {:?}", protocol);
return Ok(())
}
}
self.info.capabilities[i].id_offset + packet_id
},
None => packet_id
};
let mut rlp = RlpStream::new();
rlp.append(&(pid as u32));
rlp.append_raw(data, 1);
self.send(io, rlp)
let mut compressed = Vec::new();
let mut payload = data; // create a reference with local lifetime
if self.compression {
if payload.len() > MAX_PAYLOAD_SIZE {
return Err(NetworkError::OversizedPacket);
}
let len = snappy::compress_into(&payload, &mut compressed);
trace!(target: "network", "compressed {} to {}", payload.len(), len);
payload = &compressed[0..len];
}
rlp.append_raw(payload, 1);
self.send(io, &rlp.drain())
}
/// Keep this session alive. Returns false if ping timeout happened
@ -396,14 +415,23 @@ impl Session {
if packet_id != PACKET_HELLO && packet_id != PACKET_DISCONNECT && !self.had_hello {
return Err(From::from(NetworkError::BadProtocol));
}
let data = if self.compression {
let compressed = &packet.data[1..];
if snappy::decompressed_len(&compressed)? > MAX_PAYLOAD_SIZE {
return Err(NetworkError::OversizedPacket);
}
snappy::decompress(&compressed)?
} else {
packet.data[1..].to_owned()
};
match packet_id {
PACKET_HELLO => {
let rlp = UntrustedRlp::new(&packet.data[1..]); //TODO: validate rlp expected size
let rlp = UntrustedRlp::new(&data); //TODO: validate rlp expected size
self.read_hello(io, &rlp, host)?;
Ok(SessionData::Ready)
},
PACKET_DISCONNECT => {
let rlp = UntrustedRlp::new(&packet.data[1..]);
let rlp = UntrustedRlp::new(&data);
let reason: u8 = rlp.val_at(0)?;
if self.had_hello {
debug!(target:"network", "Disconnected: {}: {:?}", self.token(), DisconnectReason::from_u8(reason));
@ -439,11 +467,11 @@ impl Session {
match *self.protocol_states.entry(protocol).or_insert_with(|| ProtocolState::Pending(Vec::new())) {
ProtocolState::Connected => {
trace!(target: "network", "Packet {} mapped to {:?}:{}, i={}, capabilities={:?}", packet_id, protocol, protocol_packet_id, i, self.info.capabilities);
Ok(SessionData::Packet { data: packet.data, protocol: protocol, packet_id: protocol_packet_id } )
Ok(SessionData::Packet { data: data, protocol: protocol, packet_id: protocol_packet_id } )
}
ProtocolState::Pending(ref mut pending) => {
trace!(target: "network", "Packet {} deferred until protocol connection event completion", packet_id);
pending.push((packet.data, protocol_packet_id));
pending.push((data, protocol_packet_id));
Ok(SessionData::Continue)
}
@ -465,7 +493,7 @@ impl Session {
.append_list(&host.capabilities)
.append(&host.local_endpoint.address.port())
.append(host.id());
self.send(io, rlp)
self.send(io, &rlp.drain())
}
fn read_hello<Message>(&mut self, io: &IoContext<Message>, rlp: &UntrustedRlp, host: &HostInfo) -> Result<(), NetworkError>
@ -494,8 +522,7 @@ impl Session {
while i < caps.len() {
if caps.iter().any(|c| c.protocol == caps[i].protocol && c.version > caps[i].version) {
caps.remove(i);
}
else {
} else {
i += 1;
}
}
@ -520,52 +547,46 @@ impl Session {
trace!(target: "network", "No common capabilities with peer.");
return Err(From::from(self.disconnect(io, DisconnectReason::UselessPeer)));
}
if protocol != host.protocol_version {
if protocol < MIN_PROTOCOL_VERSION {
trace!(target: "network", "Peer protocol version mismatch: {}", protocol);
return Err(From::from(self.disconnect(io, DisconnectReason::UselessPeer)));
}
self.compression = protocol >= MIN_COMPRESSION_PROTOCOL_VERSION;
self.send_ping(io)?;
self.had_hello = true;
Ok(())
}
/// Senf ping packet
pub fn send_ping<Message>(&mut self, io: &IoContext<Message>) -> Result<(), NetworkError> where Message: Send + Sync + Clone {
self.send(io, Session::prepare(PACKET_PING)?)?;
self.send_packet(io, None, PACKET_PING, &EMPTY_LIST_RLP)?;
self.ping_time_ns = time::precise_time_ns();
self.pong_time_ns = None;
Ok(())
}
fn send_pong<Message>(&mut self, io: &IoContext<Message>) -> Result<(), NetworkError> where Message: Send + Sync + Clone {
self.send(io, Session::prepare(PACKET_PONG)?)
self.send_packet(io, None, PACKET_PONG, &EMPTY_LIST_RLP)
}
/// Disconnect this session
pub fn disconnect<Message>(&mut self, io: &IoContext<Message>, reason: DisconnectReason) -> NetworkError where Message: Send + Sync + Clone {
if let State::Session(_) = self.state {
let mut rlp = RlpStream::new();
rlp.append(&(PACKET_DISCONNECT as u32));
rlp.begin_list(1);
rlp.append(&(reason as u32));
self.send(io, rlp).ok();
self.send_packet(io, None, PACKET_DISCONNECT, &rlp.drain()).ok();
}
NetworkError::Disconnect(reason)
}
fn prepare(packet_id: u8) -> Result<RlpStream, NetworkError> {
let mut rlp = RlpStream::new();
rlp.append(&(packet_id as u32));
rlp.begin_list(0);
Ok(rlp)
}
fn send<Message>(&mut self, io: &IoContext<Message>, rlp: RlpStream) -> Result<(), NetworkError> where Message: Send + Sync + Clone {
fn send<Message>(&mut self, io: &IoContext<Message>, data: &[u8]) -> Result<(), NetworkError> where Message: Send + Sync + Clone {
match self.state {
State::Handshake(_) => {
warn!(target:"network", "Unexpected send request");
},
State::Session(ref mut s) => {
s.send_packet(io, &rlp.out())?
s.send_packet(io, data)?
},
}
Ok(())