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use std::sync::Arc;
use ethereum_types::{Address, H160, H256, H520, U256};
use jsonrpc_core::{
futures::{future, Future},
BoxFuture, Result,
};
use v1::{
helpers::{
deprecated::{self, DeprecationNotice},
dispatch::{self, Dispatcher},
errors,
},
metadata::Metadata,
traits::{EthSigning, ParitySigning},
types::{
Bytes as RpcBytes, ConfirmationPayload as RpcConfirmationPayload,
ConfirmationResponse as RpcConfirmationResponse, Either as RpcEither,
RichRawTransaction as RpcRichRawTransaction, TransactionRequest as RpcTransactionRequest,
},
};
pub struct SigningUnsafeClient<D> {
accounts: Arc<dyn dispatch::Accounts>,
dispatcher: D,
deprecation_notice: DeprecationNotice,
}
impl<D: Dispatcher + 'static> SigningUnsafeClient<D> {
pub fn new(accounts: &Arc<dyn dispatch::Accounts>, dispatcher: D) -> Self {
SigningUnsafeClient {
accounts: accounts.clone(),
dispatcher,
deprecation_notice: Default::default(),
}
}
fn handle(
&self,
payload: RpcConfirmationPayload,
account: Address,
) -> BoxFuture<RpcConfirmationResponse> {
let accounts = self.accounts.clone();
let dis = self.dispatcher.clone();
Box::new(
dispatch::from_rpc(payload, account, &dis)
.and_then(move |payload| {
dispatch::execute(dis, &accounts, payload, dispatch::SignWith::Nothing)
})
.map(dispatch::WithToken::into_value),
)
}
}
impl<D: Dispatcher + 'static> EthSigning for SigningUnsafeClient<D> {
type Metadata = Metadata;
fn sign(&self, _: Metadata, address: H160, data: RpcBytes) -> BoxFuture<H520> {
self.deprecation_notice
.print("eth_sign", deprecated::msgs::ACCOUNTS);
Box::new(
self.handle(
RpcConfirmationPayload::EthSignMessage((address, data).into()),
address,
)
.then(|res| match res {
Ok(RpcConfirmationResponse::Signature(signature)) => Ok(signature),
Err(e) => Err(e),
e => Err(errors::internal("Unexpected result", e)),
}),
)
}
fn send_transaction(&self, _meta: Metadata, request: RpcTransactionRequest) -> BoxFuture<H256> {
self.deprecation_notice
.print("eth_sendTransaction", deprecated::msgs::ACCOUNTS);
Box::new(
self.handle(
RpcConfirmationPayload::SendTransaction(request),
self.accounts.default_account(),
)
.then(|res| match res {
Ok(RpcConfirmationResponse::SendTransaction(hash)) => Ok(hash),
Err(e) => Err(e),
e => Err(errors::internal("Unexpected result", e)),
}),
)
}
fn sign_transaction(
&self,
_meta: Metadata,
request: RpcTransactionRequest,
) -> BoxFuture<RpcRichRawTransaction> {
self.deprecation_notice
.print("eth_signTransaction", deprecated::msgs::ACCOUNTS);
Box::new(
self.handle(
RpcConfirmationPayload::SignTransaction(request),
self.accounts.default_account(),
)
.then(|res| match res {
Ok(RpcConfirmationResponse::SignTransaction(tx)) => Ok(tx),
Err(e) => Err(e),
e => Err(errors::internal("Unexpected result", e)),
}),
)
}
}
impl<D: Dispatcher + 'static> ParitySigning for SigningUnsafeClient<D> {
type Metadata = Metadata;
fn compose_transaction(
&self,
_meta: Metadata,
transaction: RpcTransactionRequest,
) -> BoxFuture<RpcTransactionRequest> {
let accounts = self.accounts.clone();
let default_account = accounts.default_account();
Box::new(
self.dispatcher
.fill_optional_fields(transaction.into(), default_account, true)
.map(Into::into),
)
}
fn decrypt_message(&self, _: Metadata, address: H160, data: RpcBytes) -> BoxFuture<RpcBytes> {
self.deprecation_notice
.print("parity_decryptMessage", deprecated::msgs::ACCOUNTS);
Box::new(
self.handle(
RpcConfirmationPayload::Decrypt((address, data).into()),
address,
)
.then(|res| match res {
Ok(RpcConfirmationResponse::Decrypt(data)) => Ok(data),
Err(e) => Err(e),
e => Err(errors::internal("Unexpected result", e)),
}),
)
}
fn post_sign(
&self,
_: Metadata,
_: H160,
_: RpcBytes,
) -> BoxFuture<RpcEither<U256, RpcConfirmationResponse>> {
Box::new(future::err(errors::signer_disabled()))
}
fn post_transaction(
&self,
_: Metadata,
_: RpcTransactionRequest,
) -> BoxFuture<RpcEither<U256, RpcConfirmationResponse>> {
Box::new(future::err(errors::signer_disabled()))
}
fn check_request(&self, _: U256) -> Result<Option<RpcConfirmationResponse>> {
Err(errors::signer_disabled())
}
}
