openethereum/src/tests/helpers.rs

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Rust
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2016-01-27 11:50:48 +01:00
use client::{BlockChainClient,Client};
use std::env;
use super::test_common::*;
use std::path::PathBuf;
use spec::*;
use std::fs::{create_dir_all};
#[cfg(test)]
const FIXED_TEMP_DIR_NAME: &'static str = "parity-temp";
#[cfg(test)]
pub fn get_tests_temp_dir() -> PathBuf {
let mut dir = env::temp_dir();
dir.push(FIXED_TEMP_DIR_NAME);
if let Err(_) = create_dir_all(&dir) {
panic!("failed to create test dir!");
}
dir
}
#[cfg(test)]
pub fn get_random_path() -> PathBuf {
let mut dir = get_tests_temp_dir();
dir.push(H32::random().hex());
dir
}
#[cfg(test)]
pub fn get_test_spec() -> Spec {
Spec::new_test()
}
#[cfg(test)]
pub fn generate_dummy_client(block_number: usize) {
let client = Client::new(get_test_spec(), &get_random_path(), IoChannel::disconnected()).unwrap();
let mut rolling_hash = test_engine.spec().genesis_header().hash();
let mut rolling_state = test_engine.spec().genesis_header().state_root;
let mut rolling_block_number = 1;
for _ in 0..block_number {
let mut header = Header::new();
header.gas_limit = decode(test_engine.spec().engine_params.get("minGasLimit").unwrap());
header.difficulty = decode(test_engine.spec().engine_params.get("minimumDifficulty").unwrap());
header.timestamp = 40;
header.number = rolling_block_number;
header.parent_hash = test_engine.spec().genesis_header().hash();
header.state_root = test_engine.spec().genesis_header().state_root;
}
}