This commit is contained in:
debris 2015-12-17 02:13:14 +01:00
parent 2251c469b8
commit 324762f6a7
8 changed files with 165 additions and 157 deletions

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@ -1,86 +1,6 @@
use util::hash::*; use util::hash::*;
use util::overlaydb::*; use util::overlaydb::*;
use util::rlp::*;
use util::sha3::*;
use blockheader::*;
use state::*; use state::*;
use transaction::*;
use extras::*;
/// view onto block rlp
pub struct BlockView<'a> {
rlp: Rlp<'a>
}
impl<'a> BlockView<'a> {
/// Creates new view onto block from raw bytes
pub fn new(bytes: &'a [u8]) -> BlockView<'a> {
BlockView {
rlp: Rlp::new(bytes)
}
}
/// Creates new view onto block from rlp
pub fn new_from_rlp(rlp: Rlp<'a>) -> BlockView<'a> {
BlockView {
rlp: rlp
}
}
/// Return reference to underlaying rlp
pub fn rlp(&self) -> &Rlp<'a> {
&self.rlp
}
/// Create new Header object from header rlp
pub fn header(&self) -> Header {
self.rlp.val_at(0)
}
/// Create new header view obto block head rlp
pub fn header_view(&self) -> HeaderView<'a> {
HeaderView::new_from_rlp(self.rlp.at(0))
}
/// Return List of transactions in given block
pub fn transactions(&self) -> Vec<Transaction> {
self.rlp.val_at(1)
}
/// Return transaction hashes
pub fn transaction_hashes(&self) -> Vec<H256> {
self.rlp.at(1).iter().map(|rlp| rlp.raw().sha3()).collect()
}
/// Return list of uncles of given block
pub fn uncles(&self) -> Vec<Header> {
self.rlp.val_at(2)
}
/// Return list of uncle hashes of given block
pub fn uncle_hashes(&self) -> Vec<H256> {
self.rlp.at(2).iter().map(|rlp| rlp.raw().sha3()).collect()
}
/// Return BlockDetaile object of given block
/// note* children is always an empty vector,
/// cause we can't deducate them from rlp.
pub fn block_details(&self) -> BlockDetails {
let header = self.header_view();
BlockDetails {
number: header.number(),
total_difficulty: header.difficulty(),
parent: header.parent_hash(),
children: vec![]
}
}
}
impl<'a> Hashable for BlockView<'a> {
fn sha3(&self) -> H256 {
self.header_view().sha3()
}
}
/// Active model of a block within the blockchain /// Active model of a block within the blockchain
pub struct Block { pub struct Block {

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@ -12,10 +12,10 @@ use util::sha3::*;
use util::bytes::*; use util::bytes::*;
use util::squeeze::*; use util::squeeze::*;
use blockheader::*; use blockheader::*;
use block::*;
use genesis::*; use genesis::*;
use extras::*; use extras::*;
use transaction::*; use transaction::*;
use views::*;
#[derive(Debug)] #[derive(Debug)]
pub struct CacheSize { pub struct CacheSize {

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@ -2,54 +2,6 @@ use util::hash::*;
use util::bytes::*; use util::bytes::*;
use util::uint::*; use util::uint::*;
use util::rlp::*; use util::rlp::*;
use util::sha3;
/// view onto block header rlp
pub struct HeaderView<'a> {
rlp: Rlp<'a>
}
impl<'a> HeaderView<'a> {
pub fn new(bytes: &'a [u8]) -> HeaderView<'a> {
HeaderView {
rlp: Rlp::new(bytes)
}
}
pub fn new_from_rlp(rlp: Rlp<'a>) -> HeaderView<'a> {
HeaderView {
rlp: rlp
}
}
pub fn rlp(&self) -> &Rlp<'a> { &self.rlp }
pub fn parent_hash(&self) -> H256 { self.rlp.val_at(0) }
pub fn uncles_hash(&self) -> H256 { self.rlp.val_at(1) }
pub fn author(&self) -> Address { self.rlp.val_at(2) }
pub fn state_root(&self) -> H256 { self.rlp.val_at(3) }
pub fn transactions_root(&self) -> H256 { self.rlp.val_at(4) }
pub fn receipts_root(&self) -> H256 { self.rlp.val_at(5) }
pub fn log_bloom(&self) -> H2048 { self.rlp.val_at(6) }
pub fn difficulty(&self) -> U256 { self.rlp.val_at(7) }
pub fn number(&self) -> U256 { self.rlp.val_at(8) }
pub fn gas_limit(&self) -> U256 { self.rlp.val_at(9) }
pub fn gas_used(&self) -> U256 { self.rlp.val_at(10) }
pub fn timestamp(&self) -> U256 { self.rlp.val_at(11) }
pub fn extra_data(&self) -> Bytes { self.rlp.val_at(12) }
pub fn seal(&self) -> Vec<Bytes> {
let mut seal = vec![];
for i in 13..self.rlp.item_count() {
seal.push(self.rlp.val_at(i));
}
seal
}
}
impl<'a> sha3::Hashable for HeaderView<'a> {
fn sha3(&self) -> H256 {
self.rlp.raw().sha3()
}
}
pub static ZERO_ADDRESS: Address = Address([0x00; 20]); pub static ZERO_ADDRESS: Address = Address([0x00; 20]);
pub static ZERO_H256: H256 = H256([0x00; 32]); pub static ZERO_H256: H256 = H256([0x00; 32]);

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@ -103,7 +103,7 @@ impl Genesis {
#[test] #[test]
fn test_genesis() { fn test_genesis() {
use block::*; use views::*;
let g = Genesis::new_frontier(); let g = Genesis::new_frontier();
let view = BlockView::new(&g.block).header_view(); let view = BlockView::new(&g.block).header_view();

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@ -1,8 +0,0 @@
use util::hash::*;
use transaction::*;
pub struct ImportRoute {
_dead_blocks: Vec<H256>,
_live_blocks: Vec<H256>,
_transactions: Vec<Transaction>
}

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@ -94,8 +94,7 @@ pub mod blockheader;
pub mod transaction; pub mod transaction;
pub mod extras; pub mod extras;
pub mod genesis; pub mod genesis;
pub mod verifiedblock; pub mod views;
pub mod importroute;
pub mod networkparams; pub mod networkparams;
pub mod denominations; pub mod denominations;

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@ -1,17 +0,0 @@
use blockheader::*;
use transaction::*;
pub struct VerifiedBlock<'a> {
_blockview: HeaderView<'a>,
_transactions: Vec<Transaction>
}
impl<'a> VerifiedBlock<'a> {
// todo, new should also take transactions
pub fn new(bytes: &'a [u8]) -> VerifiedBlock<'a> {
VerifiedBlock {
_blockview: HeaderView::new(bytes),
_transactions: vec![]
}
}
}

162
src/views.rs Normal file
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@ -0,0 +1,162 @@
//! Block oriented views onto rlp.
use util::bytes::*;
use util::hash::*;
use util::uint::*;
use util::rlp::*;
use util::sha3::*;
use blockheader::*;
use transaction::*;
use extras::*;
/// View onto block rlp.
pub struct BlockView<'a> {
rlp: Rlp<'a>
}
impl<'a> BlockView<'a> {
/// Creates new view onto block from raw bytes.
pub fn new(bytes: &'a [u8]) -> BlockView<'a> {
BlockView {
rlp: Rlp::new(bytes)
}
}
/// Creates new view onto block from rlp.
pub fn new_from_rlp(rlp: Rlp<'a>) -> BlockView<'a> {
BlockView {
rlp: rlp
}
}
/// Return reference to underlaying rlp.
pub fn rlp(&self) -> &Rlp<'a> {
&self.rlp
}
/// Create new Header object from header rlp.
pub fn header(&self) -> Header {
self.rlp.val_at(0)
}
/// Create new header view obto block head rlp.
pub fn header_view(&self) -> HeaderView<'a> {
HeaderView::new_from_rlp(self.rlp.at(0))
}
/// Return List of transactions in given block.
pub fn transactions(&self) -> Vec<Transaction> {
self.rlp.val_at(1)
}
/// Return transaction hashes.
pub fn transaction_hashes(&self) -> Vec<H256> {
self.rlp.at(1).iter().map(|rlp| rlp.raw().sha3()).collect()
}
/// Return list of uncles of given block.
pub fn uncles(&self) -> Vec<Header> {
self.rlp.val_at(2)
}
/// Return list of uncle hashes of given block.
pub fn uncle_hashes(&self) -> Vec<H256> {
self.rlp.at(2).iter().map(|rlp| rlp.raw().sha3()).collect()
}
/// Return BlockDetaile object of given block
/// note* children is always an empty vector,
/// cause we can't deducate them from rlp.
pub fn block_details(&self) -> BlockDetails {
let header = self.header_view();
BlockDetails {
number: header.number(),
total_difficulty: header.difficulty(),
parent: header.parent_hash(),
children: vec![]
}
}
}
impl<'a> Hashable for BlockView<'a> {
fn sha3(&self) -> H256 {
self.header_view().sha3()
}
}
/// View onto block header rlp.
pub struct HeaderView<'a> {
rlp: Rlp<'a>
}
impl<'a> HeaderView<'a> {
/// Creates new view onto header from raw bytes.
pub fn new(bytes: &'a [u8]) -> HeaderView<'a> {
HeaderView {
rlp: Rlp::new(bytes)
}
}
/// Creates new view onto header from rlp.
pub fn new_from_rlp(rlp: Rlp<'a>) -> HeaderView<'a> {
HeaderView {
rlp: rlp
}
}
/// Returns raw rlp.
pub fn rlp(&self) -> &Rlp<'a> { &self.rlp }
/// Returns parent hash.
pub fn parent_hash(&self) -> H256 { self.rlp.val_at(0) }
/// Returns uncles hash.
pub fn uncles_hash(&self) -> H256 { self.rlp.val_at(1) }
/// Returns author.
pub fn author(&self) -> Address { self.rlp.val_at(2) }
/// Returns state root.
pub fn state_root(&self) -> H256 { self.rlp.val_at(3) }
/// Returns transactions root.
pub fn transactions_root(&self) -> H256 { self.rlp.val_at(4) }
/// Returns block receipts root.
pub fn receipts_root(&self) -> H256 { self.rlp.val_at(5) }
/// Returns block log bloom.
pub fn log_bloom(&self) -> H2048 { self.rlp.val_at(6) }
/// Returns block difficulty.
pub fn difficulty(&self) -> U256 { self.rlp.val_at(7) }
/// Returns block number.
pub fn number(&self) -> U256 { self.rlp.val_at(8) }
/// Returns block gas limit.
pub fn gas_limit(&self) -> U256 { self.rlp.val_at(9) }
/// Returns block gas used.
pub fn gas_used(&self) -> U256 { self.rlp.val_at(10) }
/// Returns timestamp.
pub fn timestamp(&self) -> U256 { self.rlp.val_at(11) }
/// Returns block extra data.
pub fn extra_data(&self) -> Bytes { self.rlp.val_at(12) }
/// Returns block seal.
pub fn seal(&self) -> Vec<Bytes> {
let mut seal = vec![];
for i in 13..self.rlp.item_count() {
seal.push(self.rlp.val_at(i));
}
seal
}
}
impl<'a> Hashable for HeaderView<'a> {
fn sha3(&self) -> H256 {
self.rlp.raw().sha3()
}
}