60 lines
1.8 KiB
Rust
60 lines
1.8 KiB
Rust
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
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//! EIP-191 specific types
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use ethereum_types::H160;
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use serde::{Deserialize, Deserializer};
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use serde::de;
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use v1::types::Bytes;
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/// EIP-191 version specifier
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#[derive(Debug)]
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pub enum EIP191Version {
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/// byte specifier for structured data (0x01)
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StructuredData,
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/// byte specifier for personal message (0x45)
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PersonalMessage,
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/// byte specifier for presignedtransaction (0x00)
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PresignedTransaction
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}
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/// EIP-191 version 0x0 struct
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#[derive(Deserialize, Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct PresignedTransaction {
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// address of intended validator
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pub validator: H160,
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// application specific data
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pub data: Bytes
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}
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impl<'de> Deserialize<'de> for EIP191Version {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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where
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D: Deserializer<'de>,
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{
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let s = String::deserialize(deserializer)?;
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let byte_version = match s.as_str() {
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"0x00" => EIP191Version::PresignedTransaction,
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"0x01" => EIP191Version::StructuredData,
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"0x45" => EIP191Version::PersonalMessage,
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other => return Err(de::Error::custom(format!("Invalid byte version '{}'", other))),
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};
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Ok(byte_version)
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}
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}
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