openethereum/crates/vm/call-contract/src/call_contract.rs
2021-01-14 15:30:57 +01:00

34 lines
1.3 KiB
Rust

// 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/>.
//! Provides CallContract and RegistryInfo traits
use bytes::Bytes;
use ethereum_types::Address;
use types::ids::BlockId;
/// Provides `call_contract` method
pub trait CallContract {
/// Like `call`, but with various defaults. Designed to be used for calling contracts.
fn call_contract(&self, id: BlockId, address: Address, data: Bytes) -> Result<Bytes, String>;
}
/// Provides information on a blockchain service and it's registry
pub trait RegistryInfo {
/// Get the address of a particular blockchain service, if available.
fn registry_address(&self, name: String, block: BlockId) -> Option<Address>;
}