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Removed verification from this branch

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arkpar 2016-01-09 19:10:58 +01:00
parent 28a658015d
commit 0eb69c7f1c
1 changed files with 0 additions and 109 deletions
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109
src/verification.rs
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@ -1,109 +0,0 @@
use util::uint::*;
use util::hash::*;
use util::rlp::*;
use util::sha3::Hashable;
use util::triehash::ordered_trie_root;
use header::Header;
use client::BlockNumber;
#[derive(Debug)]
pub enum TransactionVerificationError {
OutOfGasBase,
OutOfGasIntrinsic,
NotEnoughCash,
GasPriceTooLow,
BlockGasLimitReached,
FeeTooSmall,
TooMuchGasUsed {
used: U256,
limit: U256
},
ExtraDataTooBig,
InvalidSignature,
InvalidTransactionFormat,
}
#[derive(Debug)]
pub enum BlockVerificationError {
TooMuchGasUsed {
used: U256,
limit: U256,
},
InvalidBlockFormat,
InvalidUnclesHash {
expected: H256,
got: H256,
},
TooManyUncles,
UncleTooOld,
UncleIsBrother,
UncleInChain,
UncleParentNotInChain,
InvalidStateRoot,
InvalidGasUsed,
InvalidTransactionsRoot {
expected: H256,
got: H256,
},
InvalidDifficulty,
InvalidGasLimit,
InvalidReceiptsStateRoot,
InvalidTimestamp,
InvalidLogBloom,
InvalidNonce,
InvalidBlockHeaderItemCount,
InvalidBlockNonce,
InvalidParentHash,
InvalidUncleParentHash,
InvalidNumber,
BlockNotFound,
UnknownParent,
}
pub fn verify_header(header: &Header) -> Result<(), BlockVerificationError> {
if header.number > From::from(BlockNumber::max_value()) {
return Err(BlockVerificationError::InvalidNumber)
}
if header.gas_used > header.gas_limit {
return Err(BlockVerificationError::TooMuchGasUsed {
used: header.gas_used,
limit: header.gas_limit,
});
}
Ok(())
}
pub fn verify_parent(header: &Header, parent: &Header) -> Result<(), BlockVerificationError> {
if !header.parent_hash.is_zero() && parent.hash() != header.parent_hash {
return Err(BlockVerificationError::InvalidParentHash)
}
if header.timestamp <= parent.timestamp {
return Err(BlockVerificationError::InvalidTimestamp)
}
if header.number <= parent.number {
return Err(BlockVerificationError::InvalidNumber)
}
Ok(())
}
pub fn verify_block_integrity(block: &[u8], transactions_root: &H256, uncles_hash: &H256) -> Result<(), BlockVerificationError> {
let block = Rlp::new(block);
let tx = block.at(1);
let expected_root = ordered_trie_root(tx.iter().map(|r| r.as_raw().to_vec()).collect()); //TODO: get rid of vectors here
if &expected_root != transactions_root {
return Err(BlockVerificationError::InvalidTransactionsRoot {
expected: expected_root.clone(),
got: transactions_root.clone(),
});
}
let expected_uncles = block.at(2).as_raw().sha3();
if &expected_uncles != uncles_hash {
return Err(BlockVerificationError::InvalidUnclesHash {
expected: expected_uncles.clone(),
got: uncles_hash.clone(),
});
}
Ok(())
}