From 0b86723e6847d3c96638461e70567555980df04a Mon Sep 17 00:00:00 2001 From: debris Date: Tue, 28 Jun 2016 14:28:42 +0200 Subject: [PATCH] tests for HeaderView and BlockView, fixed #144 --- ethcore/src/views/{views.rs => block.rs} | 147 +++-------------------- ethcore/src/views/header.rs | 134 +++++++++++++++++++++ ethcore/src/views/mod.rs | 26 +++- 3 files changed, 173 insertions(+), 134 deletions(-) rename ethcore/src/views/{views.rs => block.rs} (52%) create mode 100644 ethcore/src/views/header.rs diff --git a/ethcore/src/views/views.rs b/ethcore/src/views/block.rs similarity index 52% rename from ethcore/src/views/views.rs rename to ethcore/src/views/block.rs index 419c70c47..82b8fb805 100644 --- a/ethcore/src/views/views.rs +++ b/ethcore/src/views/block.rs @@ -14,49 +14,12 @@ // You should have received a copy of the GNU General Public License // along with Parity. If not, see . -//! Block oriented views onto rlp. +//! View onto block rlp. + use util::*; use header::*; use transaction::*; -use super::TransactionView; - -/// View onto transaction rlp. -pub struct AccountView<'a> { - rlp: Rlp<'a> -} - -impl<'a> AccountView<'a> { - /// Creates new view onto block from raw bytes. - pub fn new(bytes: &'a [u8]) -> AccountView<'a> { - AccountView { - rlp: Rlp::new(bytes) - } - } - - /// Creates new view onto block from rlp. - pub fn new_from_rlp(rlp: Rlp<'a>) -> AccountView<'a> { - AccountView { - rlp: rlp - } - } - - /// Return reference to underlaying rlp. - pub fn rlp(&self) -> &Rlp<'a> { - &self.rlp - } - - /// Get the nonce field of the transaction. - pub fn nonce(&self) -> U256 { self.rlp.val_at(0) } - - /// Get the gas_price field of the transaction. - pub fn balance(&self) -> U256 { self.rlp.val_at(1) } - - /// Get the gas field of the transaction. - pub fn storage_root(&self) -> H256 { self.rlp.val_at(2) } - - /// Get the value field of the transaction. - pub fn code_hash(&self) -> H256 { self.rlp.val_at(3) } -} +use super::{TransactionView, HeaderView}; /// View onto block rlp. pub struct BlockView<'a> { @@ -78,6 +41,11 @@ impl<'a> BlockView<'a> { } } + /// Block header hash. + pub fn hash(&self) -> H256 { + self.sha3() + } + /// Return reference to underlaying rlp. pub fn rlp(&self) -> &Rlp<'a> { &self.rlp @@ -179,104 +147,21 @@ impl<'a> Hashable for BlockView<'a> { } } -/// 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 header hash. - pub fn hash(&self) -> H256 { self.sha3() } - - /// 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) -> BlockNumber { 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) -> u64 { self.rlp.val_at(11) } - - /// Returns block extra data. - pub fn extra_data(&self) -> Bytes { self.rlp.val_at(12) } - - /// Returns a vector of post-RLP-encoded seal fields. - pub fn seal(&self) -> Vec { - let mut seal = vec![]; - for i in 13..self.rlp.item_count() { - seal.push(self.rlp.at(i).as_raw().to_vec()); - } - seal - } -} - -impl<'a> Hashable for HeaderView<'a> { - fn sha3(&self) -> H256 { - self.rlp.as_raw().sha3() - } -} - #[cfg(test)] mod tests { + use std::str::FromStr; use rustc_serialize::hex::FromHex; + use util::H256; use super::BlockView; #[test] - fn test_header_view_seal_fields() { + fn test_block_view() { // that's rlp of block created with ethash engine. - let block_rlp = "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".from_hex().unwrap(); - let mix_hash = "a0a0349d8c3df71f1a48a9df7d03fd5f14aeee7d91332c009ecaff0a71ead405bd".from_hex().unwrap(); - let nonce = "88ab4e252a7e8c2a23".from_hex().unwrap(); + let rlp = "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".from_hex().unwrap(); - let block_view = BlockView::new(&block_rlp); - let header_view = block_view.header_view(); - let seal_fields = header_view.seal(); - assert_eq!(seal_fields.len(), 2); - assert_eq!(seal_fields[0], mix_hash); - assert_eq!(seal_fields[1], nonce); + let view = BlockView::new(&rlp); + assert_eq!(view.hash(), H256::from_str("2c9747e804293bd3f1a986484343f23bc88fd5be75dfe9d5c2860aff61e6f259").unwrap()); + assert_eq!(view.transactions_count(), 1); + assert_eq!(view.uncles_count(), 0); } } diff --git a/ethcore/src/views/header.rs b/ethcore/src/views/header.rs new file mode 100644 index 000000000..70b59fbfa --- /dev/null +++ b/ethcore/src/views/header.rs @@ -0,0 +1,134 @@ +// Copyright 2015, 2016 Ethcore (UK) Ltd. +// This file is part of Parity. + +// Parity 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 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. If not, see . + +//! View onto block header rlp + +use util::{Rlp, U256, Bytes, Hashable, H256, Address, H2048, View}; +use header::BlockNumber; + +/// 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 header hash. + pub fn hash(&self) -> H256 { self.sha3() } + + /// 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) -> BlockNumber { 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) -> u64 { self.rlp.val_at(11) } + + /// Returns block extra data. + pub fn extra_data(&self) -> Bytes { self.rlp.val_at(12) } + + /// Returns a vector of post-RLP-encoded seal fields. + pub fn seal(&self) -> Vec { + let mut seal = vec![]; + for i in 13..self.rlp.item_count() { + seal.push(self.rlp.at(i).as_raw().to_vec()); + } + seal + } +} + +impl<'a> Hashable for HeaderView<'a> { + fn sha3(&self) -> H256 { + self.rlp.as_raw().sha3() + } +} + +#[cfg(test)] +mod tests { + use std::str::FromStr; + use rustc_serialize::hex::FromHex; + use util::{H256, Address, H2048, U256}; + use super::HeaderView; + + #[test] + fn test_header_view() { + // that's rlp of block header created with ethash engine. + let rlp = "f901f9a0d405da4e66f1445d455195229624e133f5baafe72b5cf7b3c36c12c8146e98b7a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347948888f1f195afa192cfee860698584c030f4c9db1a05fb2b4bfdef7b314451cb138a534d225c922fc0e5fbe25e451142732c3e25c25a088d2ec6b9860aae1a2c3b299f72b6a5d70d7f7ba4722c78f2c49ba96273c2158a007c6fdfa8eea7e86b81f5b0fc0f78f90cc19f4aa60d323151e0cac660199e9a1b90100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008302008003832fefba82524d84568e932a80a0a0349d8c3df71f1a48a9df7d03fd5f14aeee7d91332c009ecaff0a71ead405bd88ab4e252a7e8c2a23".from_hex().unwrap(); + let mix_hash = "a0a0349d8c3df71f1a48a9df7d03fd5f14aeee7d91332c009ecaff0a71ead405bd".from_hex().unwrap(); + let nonce = "88ab4e252a7e8c2a23".from_hex().unwrap(); + + let view = HeaderView::new(&rlp); + assert_eq!(view.hash(), H256::from_str("2c9747e804293bd3f1a986484343f23bc88fd5be75dfe9d5c2860aff61e6f259").unwrap()); + assert_eq!(view.parent_hash(), H256::from_str("d405da4e66f1445d455195229624e133f5baafe72b5cf7b3c36c12c8146e98b7").unwrap()); + assert_eq!(view.uncles_hash(), H256::from_str("1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347").unwrap()); + assert_eq!(view.author(), Address::from_str("8888f1f195afa192cfee860698584c030f4c9db1").unwrap()); + assert_eq!(view.state_root(), H256::from_str("5fb2b4bfdef7b314451cb138a534d225c922fc0e5fbe25e451142732c3e25c25").unwrap()); + assert_eq!(view.transactions_root(), H256::from_str("88d2ec6b9860aae1a2c3b299f72b6a5d70d7f7ba4722c78f2c49ba96273c2158").unwrap()); + assert_eq!(view.receipts_root(), H256::from_str("07c6fdfa8eea7e86b81f5b0fc0f78f90cc19f4aa60d323151e0cac660199e9a1").unwrap()); + assert_eq!(view.log_bloom(), H2048::default()); + assert_eq!(view.difficulty(), U256::from(0x02_00_80)); + assert_eq!(view.number(), 3); + assert_eq!(view.gas_limit(), U256::from(0x2f_ef_ba)); + assert_eq!(view.gas_used(), U256::from(0x52_4d)); + assert_eq!(view.timestamp(), 0x56_8e_93_2a); + assert_eq!(view.extra_data(), vec![] as Vec); + assert_eq!(view.seal(), vec![mix_hash, nonce]); + } +} diff --git a/ethcore/src/views/mod.rs b/ethcore/src/views/mod.rs index cb7d82752..c0102be3d 100644 --- a/ethcore/src/views/mod.rs +++ b/ethcore/src/views/mod.rs @@ -1,5 +1,25 @@ -mod transaction; -mod views; +// Copyright 2015, 2016 Ethcore (UK) Ltd. +// This file is part of Parity. +// Parity 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 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. If not, see . + +//! Block oriented views onto rlp. + +mod block; +mod header; +mod transaction; + +pub use self::block::BlockView; +pub use self::header::HeaderView; pub use self::transaction::TransactionView; -pub use self::views::*;