mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-30 15:11:02 +00:00
Hernando Castano
86 lines
2.6 KiB
Rust
86 lines
2.6 KiB
Rust
// Copyright 2019-2021 Parity Technologies (UK) Ltd.
|
|
// This file is part of Parity Bridges Common.
|
|
|
|
// Parity Bridges Common 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.
|
|
|
|
// Parity Bridges Common 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 Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
use crate::types::{Address, CallRequest, U256};
|
|
use crate::{Client, Result};
|
|
use bp_eth_poa::signatures::{secret_to_address, SignTransaction};
|
|
use hex_literal::hex;
|
|
use secp256k1::SecretKey;
|
|
|
|
/// Ethereum signing params.
|
|
#[derive(Clone, Debug)]
|
|
pub struct SigningParams {
|
|
/// Ethereum chain id.
|
|
pub chain_id: u64,
|
|
/// Ethereum transactions signer.
|
|
pub signer: SecretKey,
|
|
/// Gas price we agree to pay.
|
|
pub gas_price: U256,
|
|
}
|
|
|
|
impl Default for SigningParams {
|
|
fn default() -> Self {
|
|
SigningParams {
|
|
chain_id: 0x11, // Parity dev chain
|
|
// account that has a lot of ether when we run instant seal engine
|
|
// address: 0x00a329c0648769a73afac7f9381e08fb43dbea72
|
|
// secret: 0x4d5db4107d237df6a3d58ee5f70ae63d73d7658d4026f2eefd2f204c81682cb7
|
|
signer: SecretKey::parse(&hex!(
|
|
"4d5db4107d237df6a3d58ee5f70ae63d73d7658d4026f2eefd2f204c81682cb7"
|
|
))
|
|
.expect("secret is hardcoded, thus valid; qed"),
|
|
gas_price: 8_000_000_000u64.into(), // 8 Gwei
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Sign and submit tranaction using given Ethereum client.
|
|
pub async fn sign_and_submit_transaction(
|
|
client: &Client,
|
|
params: &SigningParams,
|
|
contract_address: Option<Address>,
|
|
nonce: Option<U256>,
|
|
double_gas: bool,
|
|
encoded_call: Vec<u8>,
|
|
) -> Result<()> {
|
|
let nonce = if let Some(n) = nonce {
|
|
n
|
|
} else {
|
|
let address: Address = secret_to_address(¶ms.signer);
|
|
client.account_nonce(address).await?
|
|
};
|
|
|
|
let call_request = CallRequest {
|
|
to: contract_address,
|
|
data: Some(encoded_call.clone().into()),
|
|
..Default::default()
|
|
};
|
|
let gas = client.estimate_gas(call_request).await?;
|
|
|
|
let raw_transaction = bp_eth_poa::UnsignedTransaction {
|
|
nonce,
|
|
to: contract_address,
|
|
value: U256::zero(),
|
|
gas: if double_gas { gas.saturating_mul(2.into()) } else { gas },
|
|
gas_price: params.gas_price,
|
|
payload: encoded_call,
|
|
}
|
|
.sign_by(¶ms.signer, Some(params.chain_id));
|
|
|
|
let _ = client.submit_transaction(raw_transaction).await?;
|
|
Ok(())
|
|
}
|