54 lines
1.8 KiB
Rust
54 lines
1.8 KiB
Rust
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity 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 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. If not, see <http://www.gnu.org/licenses/>.
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use std::sync::Arc;
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use ethcore::client::MiningBlockChainClient;
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use ethcore::miner::MinerService;
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use ethcore::transaction::{Transaction, SignedTransaction, Action};
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use bigint::prelude::U256;
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use jsonrpc_core::Error;
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use v1::helpers::CallRequest;
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use v1::helpers::dispatch::default_gas_price;
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pub fn sign_call<C: MiningBlockChainClient, M: MinerService> (
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client: &Arc<C>,
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miner: &Arc<M>,
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request: CallRequest,
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gas_cap: bool,
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) -> Result<SignedTransaction, Error> {
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let max_gas = 50_000_000.into();
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let gas = match request.gas {
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Some(gas) if gas_cap && gas > max_gas => {
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warn!("Gas limit capped to {} (from {})", max_gas, gas);
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max_gas
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}
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Some(gas) => gas,
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None if gas_cap => max_gas,
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None => U256::from(2) << 50,
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};
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let from = request.from.unwrap_or(0.into());
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Ok(Transaction {
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nonce: request.nonce.unwrap_or_else(|| client.latest_nonce(&from)),
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action: request.to.map_or(Action::Create, Action::Call),
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gas,
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gas_price: request.gas_price.unwrap_or_else(|| default_gas_price(&**client, &**miner)),
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value: request.value.unwrap_or(0.into()),
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data: request.data.unwrap_or_default(),
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}.fake_sign(from))
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}
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