34 lines
1.3 KiB
Rust
34 lines
1.3 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum 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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// OpenEthereum 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 OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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//! Provides CallContract and RegistryInfo traits
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use bytes::Bytes;
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use ethereum_types::Address;
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use types::ids::BlockId;
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/// Provides `call_contract` method
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pub trait CallContract {
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/// Like `call`, but with various defaults. Designed to be used for calling contracts.
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fn call_contract(&self, id: BlockId, address: Address, data: Bytes) -> Result<Bytes, String>;
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}
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/// Provides information on a blockchain service and it's registry
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pub trait RegistryInfo {
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/// Get the address of a particular blockchain service, if available.
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fn registry_address(&self, name: String, block: BlockId) -> Option<Address>;
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}
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