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// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.

// OpenEthereum 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.

// OpenEthereum 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 OpenEthereum.  If not, see <http://www.gnu.org/licenses/>.

//! Personal rpc interface.
use eip_712::EIP712;
use ethereum_types::{H160, H256, H520, U128};
use jsonrpc_core::{types::Value, BoxFuture, Result};
use jsonrpc_derive::rpc;
use v1::types::{
    Bytes, EIP191Version, RichRawTransaction as RpcRichRawTransaction, TransactionRequest,
};

/// Personal rpc interface. Safe (read-only) functions.
#[rpc(server)]
pub trait Personal {
    /// RPC Metadata
    type Metadata;

    /// Lists all stored accounts
    #[rpc(name = "personal_listAccounts")]
    fn accounts(&self) -> Result<Vec<H160>>;

    /// Creates new account (it becomes new current unlocked account)
    /// Param is the password for the account.
    #[rpc(name = "personal_newAccount")]
    fn new_account(&self, _: String) -> Result<H160>;

    /// Unlocks specified account for use (can only be one unlocked account at one moment)
    #[rpc(name = "personal_unlockAccount")]
    fn unlock_account(&self, _: H160, _: String, _: Option<U128>) -> Result<bool>;

    /// Signs the hash of data with given account signature using the given password to unlock the account during
    /// the request.
    #[rpc(name = "personal_sign")]
    fn sign(&self, _: Bytes, _: H160, _: String) -> BoxFuture<H520>;

    /// Produces an EIP-712 compliant signature with given account using the given password to unlock the
    /// account during the request.
    #[rpc(name = "personal_signTypedData")]
    fn sign_typed_data(&self, _: EIP712, _: H160, _: String) -> BoxFuture<H520>;

    /// Signs an arbitrary message based on the version specified
    #[rpc(name = "personal_sign191")]
    fn sign_191(&self, _: EIP191Version, _: Value, _: H160, _: String) -> BoxFuture<H520>;

    /// Returns the account associated with the private key that was used to calculate the signature in
    /// `personal_sign`.
    #[rpc(name = "personal_ecRecover")]
    fn ec_recover(&self, _: Bytes, _: H520) -> BoxFuture<H160>;

    /// Signs transaction. The account is not unlocked in such case.
    #[rpc(meta, name = "personal_signTransaction")]
    fn sign_transaction(
        &self,
        _: Self::Metadata,
        _: TransactionRequest,
        _: String,
    ) -> BoxFuture<RpcRichRawTransaction>;

    /// Sends transaction and signs it in single call. The account is not unlocked in such case.
    #[rpc(meta, name = "personal_sendTransaction")]
    fn send_transaction(
        &self,
        _: Self::Metadata,
        _: TransactionRequest,
        _: String,
    ) -> BoxFuture<H256>;

    /// @deprecated alias for `personal_sendTransaction`.
    #[rpc(meta, name = "personal_signAndSendTransaction")]
    fn sign_and_send_transaction(
        &self,
        _: Self::Metadata,
        _: TransactionRequest,
        _: String,
    ) -> BoxFuture<H256>;
}