grassrootseconomics/openethereum
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fixed loading genesis

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This commit is contained in:
debris 2015-12-17 19:26:21 +01:00
parent dbeae3ade3
commit dad010f8b1
2 changed files with 55 additions and 57 deletions
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28
src/blockheader.rs
View File

@ -11,23 +11,23 @@ pub type LogBloom = H2048;
#[derive(Debug)]
pub struct Header {
parent_hash: H256,
timestamp: U256,
number: U256,
author: Address,
pub parent_hash: H256,
pub timestamp: U256,
pub number: U256,
pub author: Address,
transactions_root: H256,
uncles_hash: H256,
extra_data: Bytes,
pub transactions_root: H256,
pub uncles_hash: H256,
pub extra_data: Bytes,
state_root: H256,
receipts_root: H256,
log_bloom: LogBloom,
gas_used: U256,
gas_limit: U256,
pub state_root: H256,
pub receipts_root: H256,
pub log_bloom: LogBloom,
pub gas_used: U256,
pub gas_limit: U256,
difficulty: U256,
seal: Vec<Bytes>,
pub difficulty: U256,
pub seal: Vec<Bytes>,
}
impl Header {

84
src/genesis.rs
View File

@ -10,6 +10,7 @@ use util::hash::*;
use util::uint::*;
use util::sha3::*;
use account::*;
use blockheader::*;
/// Converts file from base64 gzipped bytes to json
fn base_to_json(source: &[u8]) -> Json {
@ -33,54 +34,54 @@ impl Genesis {
pub fn new_frontier() -> Genesis {
let root = H256::from_str("d7f8974fb5ac78d9ac099b9ad5018bedc2ce0a72dad1827a1709da30580f0544").unwrap();
let json = base_to_json(include_bytes!("../res/genesis_frontier"));
Self::new_from_json(&json, &root)
let (header, state) = Self::load_genesis_json(&json, &root);
Self::new_from_header_and_state(header, state)
}
pub fn new_from_header_and_state(header: Header, state: HashMap<Address, Account>) -> Genesis {
let empty_list = RlpStream::new_list(0).out();
let mut stream = RlpStream::new_list(3);
stream.append(&header);
stream.append_raw(&empty_list, 1);
stream.append_raw(&empty_list, 1);
Genesis {
block: stream.out(),
state: state
}
}
/// Loads genesis block from json file
pub fn new_from_json(json: &Json, state_root: &H256) -> Genesis {
fn load_genesis_json(json: &Json, state_root: &H256) -> (Header, HashMap<Address, Account>) {
// once we commit ourselves to some json parsing library (serde?)
// move it to proper data structure
let mixhash = H256::from_str(&json["mixhash"].as_string().unwrap()[2..]).unwrap();
let parent_hash = H256::from_str(&json["parentHash"].as_string().unwrap()[2..]).unwrap();
let coinbase = Address::from_str(&json["coinbase"].as_string().unwrap()[2..]).unwrap();
let difficulty = U256::from_str(&json["difficulty"].as_string().unwrap()[2..]).unwrap();
let gas_limit = U256::from_str(&json["gasLimit"].as_string().unwrap()[2..]).unwrap();
let timestamp = U256::from_str(&json["timestamp"].as_string().unwrap()[2..]).unwrap();
let extra_data: Vec<u8> = json["extraData"].as_string().unwrap()[2..].from_hex().unwrap();
let nonce = H64::from_str(&json["nonce"].as_string().unwrap()[2..]).unwrap();
let log_bloom = H2048::new();
let number = 0u16;
let gas_used = 0u16;
let empty_list = RlpStream::new_list(0).out();
let empty_list_sha3 = empty_list.sha3();
let empty_data = encode(&"");
let empty_data_sha3 = empty_data.sha3();
let mut stream = RlpStream::new_list(3);
stream.append_list(15);
stream.append(&parent_hash);
// uncles - empty list sha3
stream.append(&empty_list_sha3);
stream.append(&coinbase);
stream.append(state_root);
// transactions
stream.append(&empty_data_sha3);
// receipts
stream.append(&empty_data_sha3);
stream.append(&log_bloom);
stream.append(&difficulty);
stream.append(&number);
stream.append(&gas_limit);
stream.append(&gas_used);
stream.append(&timestamp);
stream.append(&extra_data);
stream.append(&mixhash);
stream.append(&nonce);
stream.append_raw(&empty_list, 1);
stream.append_raw(&empty_list, 1);
let header = Header {
parent_hash: H256::from_str(&json["parentHash"].as_string().unwrap()[2..]).unwrap(),
uncles_hash: empty_list_sha3.clone(),
author: Address::from_str(&json["coinbase"].as_string().unwrap()[2..]).unwrap(),
state_root: state_root.clone(),
transactions_root: empty_data_sha3.clone(),
receipts_root: empty_data_sha3.clone(),
log_bloom: H2048::new(),
difficulty: U256::from_str(&json["difficulty"].as_string().unwrap()[2..]).unwrap(),
number: U256::from(0u8),
gas_limit: U256::from_str(&json["gasLimit"].as_string().unwrap()[2..]).unwrap(),
gas_used: U256::from(0u8),
timestamp: U256::from_str(&json["timestamp"].as_string().unwrap()[2..]).unwrap(),
extra_data: json["extraData"].as_string().unwrap()[2..].from_hex().unwrap(),
seal: {
let mixhash = H256::from_str(&json["mixhash"].as_string().unwrap()[2..]).unwrap();
let nonce = H64::from_str(&json["nonce"].as_string().unwrap()[2..]).unwrap();
vec![mixhash.to_vec(), nonce.to_vec()]
}
};
let mut state = HashMap::new();
let accounts = json["alloc"].as_object().expect("Missing genesis state");
for (address, acc) in accounts.iter() {
@ -90,10 +91,7 @@ impl Genesis {
state.insert(addr, Account::new_basic(balance));
}
Genesis {
block: stream.out(),
state: state
}
(header, state)
}
/// Returns genesis block