Merge branch 'master' into unlock

This commit is contained in:
Tomasz Drwięga
2017-06-14 12:06:27 +02:00
98 changed files with 1632 additions and 602 deletions

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@@ -168,7 +168,10 @@ fn verify_external(header: &Header, validators: &ValidatorSet, step: &Step) -> R
} else {
let proposer_signature = header_signature(header)?;
let correct_proposer = validators.get(header.parent_hash(), header_step);
if !verify_address(&correct_proposer, &proposer_signature, &header.bare_hash())? {
let is_invalid_proposer = *header.author() != correct_proposer ||
!verify_address(&correct_proposer, &proposer_signature, &header.bare_hash())?;
if is_invalid_proposer {
trace!(target: "engine", "verify_block_unordered: bad proposer for step: {}", header_step);
Err(EngineError::NotProposer(Mismatch { expected: correct_proposer, found: header.author().clone() }))?
} else {

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@@ -69,6 +69,10 @@ fn verify_external(header: &Header, validators: &ValidatorSet) -> Result<(), Err
let sig = UntrustedRlp::new(&header.seal()[0]).as_val::<H520>()?;
let signer = public_to_address(&recover(&sig.into(), &header.bare_hash())?);
if *header.author() != signer {
return Err(EngineError::NotAuthorized(*header.author()).into())
}
match validators.contains(header.parent_hash(), &signer) {
false => Err(BlockError::InvalidSeal.into()),
true => Ok(())

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@@ -60,7 +60,7 @@ pub const DEFAULT_BLOCKHASH_CONTRACT: &'static str = "73ffffffffffffffffffffffff
/// Voting errors.
#[derive(Debug)]
pub enum EngineError {
/// Signature does not belong to an authority.
/// Signature or author field does not belong to an authority.
NotAuthorized(Address),
/// The same author issued different votes at the same step.
DoubleVote(Address),

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@@ -106,7 +106,7 @@ impl From<ethjson::spec::EthashParams> for EthashParams {
difficulty_bound_divisor: p.difficulty_bound_divisor.into(),
difficulty_increment_divisor: p.difficulty_increment_divisor.map_or(10, Into::into),
metropolis_difficulty_increment_divisor: p.metropolis_difficulty_increment_divisor.map_or(9, Into::into),
duration_limit: p.duration_limit.into(),
duration_limit: p.duration_limit.map_or(0, Into::into),
block_reward: p.block_reward.into(),
registrar: p.registrar.map_or_else(Address::new, Into::into),
homestead_transition: p.homestead_transition.map_or(0, Into::into),

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@@ -76,7 +76,7 @@ impl From<Box<trie::TrieError>> for Error {
impl From<builtin::Error> for Error {
fn from(err: builtin::Error) -> Self {
Error::BuiltIn(err.0)
}
}
}
impl fmt::Display for Error {

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@@ -131,7 +131,7 @@ pub trait Ext {
fn inc_sstore_clears(&mut self);
/// Prepare to trace an operation. Passthrough for the VM trace.
fn trace_prepare_execute(&mut self, _pc: usize, _instruction: u8, _stack_pop: usize, _gas_cost: &U256) -> bool { false }
fn trace_prepare_execute(&mut self, _pc: usize, _instruction: u8, _gas_cost: &U256) -> bool { false }
/// Trace the finalised execution of a single instruction.
fn trace_executed(&mut self, _gas_used: U256, _stack_push: &[U256], _mem_diff: Option<(usize, &[u8])>, _store_diff: Option<(U256, U256)>) {}

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@@ -37,6 +37,15 @@ pub fn get_push_bytes(i: Instruction) -> usize {
(i - PUSH1 + 1) as usize
}
/// Returns number of bytes to read for `PUSHN` instruction or 0.
pub fn push_bytes(i: Instruction) -> usize {
if is_push(i) {
get_push_bytes(i)
} else {
0
}
}
#[test]
fn test_get_push_bytes() {
assert_eq!(get_push_bytes(PUSH1), 1);
@@ -129,166 +138,169 @@ pub fn get_tier_idx (tier: GasPriceTier) -> usize {
}
}
/// EVM instruction information.
#[derive(Copy, Clone, Default)]
pub struct InstructionInfo {
/// Mnemonic name.
pub name: &'static str,
pub additional: usize,
/// Number of stack arguments.
pub args: usize,
/// Number of returned stack items.
pub ret: usize,
pub side_effects: bool,
/// Gas price tier.
pub tier: GasPriceTier
}
impl InstructionInfo {
pub fn new(name: &'static str, additional: usize, args: usize, ret: usize, side_effects: bool, tier: GasPriceTier) -> Self {
/// Create new instruction info.
pub fn new(name: &'static str, args: usize, ret: usize, tier: GasPriceTier) -> Self {
InstructionInfo {
name: name,
additional: additional,
args: args,
ret: ret,
side_effects: side_effects,
tier: tier
}
}
}
lazy_static! {
/// Static instruction table.
pub static ref INSTRUCTIONS: [InstructionInfo; 0x100] = {
let mut arr = [InstructionInfo::default(); 0x100];
arr[STOP as usize] = InstructionInfo::new("STOP", 0, 0, 0, true, GasPriceTier::Zero);
arr[ADD as usize] = InstructionInfo::new("ADD", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[SUB as usize] = InstructionInfo::new("SUB", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[MUL as usize] = InstructionInfo::new("MUL", 0, 2, 1, false, GasPriceTier::Low);
arr[DIV as usize] = InstructionInfo::new("DIV", 0, 2, 1, false, GasPriceTier::Low);
arr[SDIV as usize] = InstructionInfo::new("SDIV", 0, 2, 1, false, GasPriceTier::Low);
arr[MOD as usize] = InstructionInfo::new("MOD", 0, 2, 1, false, GasPriceTier::Low);
arr[SMOD as usize] = InstructionInfo::new("SMOD", 0, 2, 1, false, GasPriceTier::Low);
arr[EXP as usize] = InstructionInfo::new("EXP", 0, 2, 1, false, GasPriceTier::Special);
arr[NOT as usize] = InstructionInfo::new("NOT", 0, 1, 1, false, GasPriceTier::VeryLow);
arr[LT as usize] = InstructionInfo::new("LT", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[GT as usize] = InstructionInfo::new("GT", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[SLT as usize] = InstructionInfo::new("SLT", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[SGT as usize] = InstructionInfo::new("SGT", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[EQ as usize] = InstructionInfo::new("EQ", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[ISZERO as usize] = InstructionInfo::new("ISZERO", 0, 1, 1, false, GasPriceTier::VeryLow);
arr[AND as usize] = InstructionInfo::new("AND", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[OR as usize] = InstructionInfo::new("OR", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[XOR as usize] = InstructionInfo::new("XOR", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[BYTE as usize] = InstructionInfo::new("BYTE", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[ADDMOD as usize] = InstructionInfo::new("ADDMOD", 0, 3, 1, false, GasPriceTier::Mid);
arr[MULMOD as usize] = InstructionInfo::new("MULMOD", 0, 3, 1, false, GasPriceTier::Mid);
arr[SIGNEXTEND as usize] = InstructionInfo::new("SIGNEXTEND", 0, 2, 1, false, GasPriceTier::Low);
arr[RETURNDATASIZE as usize] = InstructionInfo::new("RETURNDATASIZE", 0, 0, 1, false, GasPriceTier::Base);
arr[RETURNDATACOPY as usize] = InstructionInfo::new("RETURNDATACOPY", 0, 3, 0, true, GasPriceTier::VeryLow);
arr[SHA3 as usize] = InstructionInfo::new("SHA3", 0, 2, 1, false, GasPriceTier::Special);
arr[ADDRESS as usize] = InstructionInfo::new("ADDRESS", 0, 0, 1, false, GasPriceTier::Base);
arr[BALANCE as usize] = InstructionInfo::new("BALANCE", 0, 1, 1, false, GasPriceTier::Special);
arr[ORIGIN as usize] = InstructionInfo::new("ORIGIN", 0, 0, 1, false, GasPriceTier::Base);
arr[CALLER as usize] = InstructionInfo::new("CALLER", 0, 0, 1, false, GasPriceTier::Base);
arr[CALLVALUE as usize] = InstructionInfo::new("CALLVALUE", 0, 0, 1, false, GasPriceTier::Base);
arr[CALLDATALOAD as usize] = InstructionInfo::new("CALLDATALOAD", 0, 1, 1, false, GasPriceTier::VeryLow);
arr[CALLDATASIZE as usize] = InstructionInfo::new("CALLDATASIZE", 0, 0, 1, false, GasPriceTier::Base);
arr[CALLDATACOPY as usize] = InstructionInfo::new("CALLDATACOPY", 0, 3, 0, true, GasPriceTier::VeryLow);
arr[CODESIZE as usize] = InstructionInfo::new("CODESIZE", 0, 0, 1, false, GasPriceTier::Base);
arr[CODECOPY as usize] = InstructionInfo::new("CODECOPY", 0, 3, 0, true, GasPriceTier::VeryLow);
arr[GASPRICE as usize] = InstructionInfo::new("GASPRICE", 0, 0, 1, false, GasPriceTier::Base);
arr[EXTCODESIZE as usize] = InstructionInfo::new("EXTCODESIZE", 0, 1, 1, false, GasPriceTier::Special);
arr[EXTCODECOPY as usize] = InstructionInfo::new("EXTCODECOPY", 0, 4, 0, true, GasPriceTier::Special);
arr[BLOCKHASH as usize] = InstructionInfo::new("BLOCKHASH", 0, 1, 1, false, GasPriceTier::Ext);
arr[COINBASE as usize] = InstructionInfo::new("COINBASE", 0, 0, 1, false, GasPriceTier::Base);
arr[TIMESTAMP as usize] = InstructionInfo::new("TIMESTAMP", 0, 0, 1, false, GasPriceTier::Base);
arr[NUMBER as usize] = InstructionInfo::new("NUMBER", 0, 0, 1, false, GasPriceTier::Base);
arr[DIFFICULTY as usize] = InstructionInfo::new("DIFFICULTY", 0, 0, 1, false, GasPriceTier::Base);
arr[GASLIMIT as usize] = InstructionInfo::new("GASLIMIT", 0, 0, 1, false, GasPriceTier::Base);
arr[POP as usize] = InstructionInfo::new("POP", 0, 1, 0, false, GasPriceTier::Base);
arr[MLOAD as usize] = InstructionInfo::new("MLOAD", 0, 1, 1, false, GasPriceTier::VeryLow);
arr[MSTORE as usize] = InstructionInfo::new("MSTORE", 0, 2, 0, true, GasPriceTier::VeryLow);
arr[MSTORE8 as usize] = InstructionInfo::new("MSTORE8", 0, 2, 0, true, GasPriceTier::VeryLow);
arr[SLOAD as usize] = InstructionInfo::new("SLOAD", 0, 1, 1, false, GasPriceTier::Special);
arr[SSTORE as usize] = InstructionInfo::new("SSTORE", 0, 2, 0, true, GasPriceTier::Special);
arr[JUMP as usize] = InstructionInfo::new("JUMP", 0, 1, 0, true, GasPriceTier::Mid);
arr[JUMPI as usize] = InstructionInfo::new("JUMPI", 0, 2, 0, true, GasPriceTier::High);
arr[PC as usize] = InstructionInfo::new("PC", 0, 0, 1, false, GasPriceTier::Base);
arr[MSIZE as usize] = InstructionInfo::new("MSIZE", 0, 0, 1, false, GasPriceTier::Base);
arr[GAS as usize] = InstructionInfo::new("GAS", 0, 0, 1, false, GasPriceTier::Base);
arr[JUMPDEST as usize] = InstructionInfo::new("JUMPDEST", 0, 0, 0, true, GasPriceTier::Special);
arr[PUSH1 as usize] = InstructionInfo::new("PUSH1", 1, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH2 as usize] = InstructionInfo::new("PUSH2", 2, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH3 as usize] = InstructionInfo::new("PUSH3", 3, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH4 as usize] = InstructionInfo::new("PUSH4", 4, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH5 as usize] = InstructionInfo::new("PUSH5", 5, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH6 as usize] = InstructionInfo::new("PUSH6", 6, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH7 as usize] = InstructionInfo::new("PUSH7", 7, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH8 as usize] = InstructionInfo::new("PUSH8", 8, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH9 as usize] = InstructionInfo::new("PUSH9", 9, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH10 as usize] = InstructionInfo::new("PUSH10", 10, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH11 as usize] = InstructionInfo::new("PUSH11", 11, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH12 as usize] = InstructionInfo::new("PUSH12", 12, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH13 as usize] = InstructionInfo::new("PUSH13", 13, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH14 as usize] = InstructionInfo::new("PUSH14", 14, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH15 as usize] = InstructionInfo::new("PUSH15", 15, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH16 as usize] = InstructionInfo::new("PUSH16", 16, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH17 as usize] = InstructionInfo::new("PUSH17", 17, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH18 as usize] = InstructionInfo::new("PUSH18", 18, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH19 as usize] = InstructionInfo::new("PUSH19", 19, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH20 as usize] = InstructionInfo::new("PUSH20", 20, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH21 as usize] = InstructionInfo::new("PUSH21", 21, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH22 as usize] = InstructionInfo::new("PUSH22", 22, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH23 as usize] = InstructionInfo::new("PUSH23", 23, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH24 as usize] = InstructionInfo::new("PUSH24", 24, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH25 as usize] = InstructionInfo::new("PUSH25", 25, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH26 as usize] = InstructionInfo::new("PUSH26", 26, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH27 as usize] = InstructionInfo::new("PUSH27", 27, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH28 as usize] = InstructionInfo::new("PUSH28", 28, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH29 as usize] = InstructionInfo::new("PUSH29", 29, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH30 as usize] = InstructionInfo::new("PUSH30", 30, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH31 as usize] = InstructionInfo::new("PUSH31", 31, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH32 as usize] = InstructionInfo::new("PUSH32", 32, 0, 1, false, GasPriceTier::VeryLow);
arr[DUP1 as usize] = InstructionInfo::new("DUP1", 0, 1, 2, false, GasPriceTier::VeryLow);
arr[DUP2 as usize] = InstructionInfo::new("DUP2", 0, 2, 3, false, GasPriceTier::VeryLow);
arr[DUP3 as usize] = InstructionInfo::new("DUP3", 0, 3, 4, false, GasPriceTier::VeryLow);
arr[DUP4 as usize] = InstructionInfo::new("DUP4", 0, 4, 5, false, GasPriceTier::VeryLow);
arr[DUP5 as usize] = InstructionInfo::new("DUP5", 0, 5, 6, false, GasPriceTier::VeryLow);
arr[DUP6 as usize] = InstructionInfo::new("DUP6", 0, 6, 7, false, GasPriceTier::VeryLow);
arr[DUP7 as usize] = InstructionInfo::new("DUP7", 0, 7, 8, false, GasPriceTier::VeryLow);
arr[DUP8 as usize] = InstructionInfo::new("DUP8", 0, 8, 9, false, GasPriceTier::VeryLow);
arr[DUP9 as usize] = InstructionInfo::new("DUP9", 0, 9, 10, false, GasPriceTier::VeryLow);
arr[DUP10 as usize] = InstructionInfo::new("DUP10", 0, 10, 11, false, GasPriceTier::VeryLow);
arr[DUP11 as usize] = InstructionInfo::new("DUP11", 0, 11, 12, false, GasPriceTier::VeryLow);
arr[DUP12 as usize] = InstructionInfo::new("DUP12", 0, 12, 13, false, GasPriceTier::VeryLow);
arr[DUP13 as usize] = InstructionInfo::new("DUP13", 0, 13, 14, false, GasPriceTier::VeryLow);
arr[DUP14 as usize] = InstructionInfo::new("DUP14", 0, 14, 15, false, GasPriceTier::VeryLow);
arr[DUP15 as usize] = InstructionInfo::new("DUP15", 0, 15, 16, false, GasPriceTier::VeryLow);
arr[DUP16 as usize] = InstructionInfo::new("DUP16", 0, 16, 17, false, GasPriceTier::VeryLow);
arr[SWAP1 as usize] = InstructionInfo::new("SWAP1", 0, 2, 2, false, GasPriceTier::VeryLow);
arr[SWAP2 as usize] = InstructionInfo::new("SWAP2", 0, 3, 3, false, GasPriceTier::VeryLow);
arr[SWAP3 as usize] = InstructionInfo::new("SWAP3", 0, 4, 4, false, GasPriceTier::VeryLow);
arr[SWAP4 as usize] = InstructionInfo::new("SWAP4", 0, 5, 5, false, GasPriceTier::VeryLow);
arr[SWAP5 as usize] = InstructionInfo::new("SWAP5", 0, 6, 6, false, GasPriceTier::VeryLow);
arr[SWAP6 as usize] = InstructionInfo::new("SWAP6", 0, 7, 7, false, GasPriceTier::VeryLow);
arr[SWAP7 as usize] = InstructionInfo::new("SWAP7", 0, 8, 8, false, GasPriceTier::VeryLow);
arr[SWAP8 as usize] = InstructionInfo::new("SWAP8", 0, 9, 9, false, GasPriceTier::VeryLow);
arr[SWAP9 as usize] = InstructionInfo::new("SWAP9", 0, 10, 10, false, GasPriceTier::VeryLow);
arr[SWAP10 as usize] = InstructionInfo::new("SWAP10", 0, 11, 11, false, GasPriceTier::VeryLow);
arr[SWAP11 as usize] = InstructionInfo::new("SWAP11", 0, 12, 12, false, GasPriceTier::VeryLow);
arr[SWAP12 as usize] = InstructionInfo::new("SWAP12", 0, 13, 13, false, GasPriceTier::VeryLow);
arr[SWAP13 as usize] = InstructionInfo::new("SWAP13", 0, 14, 14, false, GasPriceTier::VeryLow);
arr[SWAP14 as usize] = InstructionInfo::new("SWAP14", 0, 15, 15, false, GasPriceTier::VeryLow);
arr[SWAP15 as usize] = InstructionInfo::new("SWAP15", 0, 16, 16, false, GasPriceTier::VeryLow);
arr[SWAP16 as usize] = InstructionInfo::new("SWAP16", 0, 17, 17, false, GasPriceTier::VeryLow);
arr[LOG0 as usize] = InstructionInfo::new("LOG0", 0, 2, 0, true, GasPriceTier::Special);
arr[LOG1 as usize] = InstructionInfo::new("LOG1", 0, 3, 0, true, GasPriceTier::Special);
arr[LOG2 as usize] = InstructionInfo::new("LOG2", 0, 4, 0, true, GasPriceTier::Special);
arr[LOG3 as usize] = InstructionInfo::new("LOG3", 0, 5, 0, true, GasPriceTier::Special);
arr[LOG4 as usize] = InstructionInfo::new("LOG4", 0, 6, 0, true, GasPriceTier::Special);
arr[CREATE as usize] = InstructionInfo::new("CREATE", 0, 3, 1, true, GasPriceTier::Special);
arr[CALL as usize] = InstructionInfo::new("CALL", 0, 7, 1, true, GasPriceTier::Special);
arr[CALLCODE as usize] = InstructionInfo::new("CALLCODE", 0, 7, 1, true, GasPriceTier::Special);
arr[RETURN as usize] = InstructionInfo::new("RETURN", 0, 2, 0, true, GasPriceTier::Zero);
arr[DELEGATECALL as usize] = InstructionInfo::new("DELEGATECALL", 0, 6, 1, true, GasPriceTier::Special);
arr[SUICIDE as usize] = InstructionInfo::new("SUICIDE", 0, 1, 0, true, GasPriceTier::Special);
arr[CREATE2 as usize] = InstructionInfo::new("CREATE2", 0, 3, 1, true, GasPriceTier::Special);
arr[REVERT as usize] = InstructionInfo::new("REVERT", 0, 2, 0, true, GasPriceTier::Zero);
arr[STOP as usize] = InstructionInfo::new("STOP", 0, 0, GasPriceTier::Zero);
arr[ADD as usize] = InstructionInfo::new("ADD", 2, 1, GasPriceTier::VeryLow);
arr[SUB as usize] = InstructionInfo::new("SUB", 2, 1, GasPriceTier::VeryLow);
arr[MUL as usize] = InstructionInfo::new("MUL", 2, 1, GasPriceTier::Low);
arr[DIV as usize] = InstructionInfo::new("DIV", 2, 1, GasPriceTier::Low);
arr[SDIV as usize] = InstructionInfo::new("SDIV", 2, 1, GasPriceTier::Low);
arr[MOD as usize] = InstructionInfo::new("MOD", 2, 1, GasPriceTier::Low);
arr[SMOD as usize] = InstructionInfo::new("SMOD", 2, 1, GasPriceTier::Low);
arr[EXP as usize] = InstructionInfo::new("EXP", 2, 1, GasPriceTier::Special);
arr[NOT as usize] = InstructionInfo::new("NOT", 1, 1, GasPriceTier::VeryLow);
arr[LT as usize] = InstructionInfo::new("LT", 2, 1, GasPriceTier::VeryLow);
arr[GT as usize] = InstructionInfo::new("GT", 2, 1, GasPriceTier::VeryLow);
arr[SLT as usize] = InstructionInfo::new("SLT", 2, 1, GasPriceTier::VeryLow);
arr[SGT as usize] = InstructionInfo::new("SGT", 2, 1, GasPriceTier::VeryLow);
arr[EQ as usize] = InstructionInfo::new("EQ", 2, 1, GasPriceTier::VeryLow);
arr[ISZERO as usize] = InstructionInfo::new("ISZERO", 1, 1, GasPriceTier::VeryLow);
arr[AND as usize] = InstructionInfo::new("AND", 2, 1, GasPriceTier::VeryLow);
arr[OR as usize] = InstructionInfo::new("OR", 2, 1, GasPriceTier::VeryLow);
arr[XOR as usize] = InstructionInfo::new("XOR", 2, 1, GasPriceTier::VeryLow);
arr[BYTE as usize] = InstructionInfo::new("BYTE", 2, 1, GasPriceTier::VeryLow);
arr[ADDMOD as usize] = InstructionInfo::new("ADDMOD", 3, 1, GasPriceTier::Mid);
arr[MULMOD as usize] = InstructionInfo::new("MULMOD", 3, 1, GasPriceTier::Mid);
arr[SIGNEXTEND as usize] = InstructionInfo::new("SIGNEXTEND", 2, 1, GasPriceTier::Low);
arr[RETURNDATASIZE as usize] = InstructionInfo::new("RETURNDATASIZE", 0, 1, GasPriceTier::Base);
arr[RETURNDATACOPY as usize] = InstructionInfo::new("RETURNDATACOPY", 3, 0, GasPriceTier::VeryLow);
arr[SHA3 as usize] = InstructionInfo::new("SHA3", 2, 1, GasPriceTier::Special);
arr[ADDRESS as usize] = InstructionInfo::new("ADDRESS", 0, 1, GasPriceTier::Base);
arr[BALANCE as usize] = InstructionInfo::new("BALANCE", 1, 1, GasPriceTier::Special);
arr[ORIGIN as usize] = InstructionInfo::new("ORIGIN", 0, 1, GasPriceTier::Base);
arr[CALLER as usize] = InstructionInfo::new("CALLER", 0, 1, GasPriceTier::Base);
arr[CALLVALUE as usize] = InstructionInfo::new("CALLVALUE", 0, 1, GasPriceTier::Base);
arr[CALLDATALOAD as usize] = InstructionInfo::new("CALLDATALOAD", 1, 1, GasPriceTier::VeryLow);
arr[CALLDATASIZE as usize] = InstructionInfo::new("CALLDATASIZE", 0, 1, GasPriceTier::Base);
arr[CALLDATACOPY as usize] = InstructionInfo::new("CALLDATACOPY", 3, 0, GasPriceTier::VeryLow);
arr[CODESIZE as usize] = InstructionInfo::new("CODESIZE", 0, 1, GasPriceTier::Base);
arr[CODECOPY as usize] = InstructionInfo::new("CODECOPY", 3, 0, GasPriceTier::VeryLow);
arr[GASPRICE as usize] = InstructionInfo::new("GASPRICE", 0, 1, GasPriceTier::Base);
arr[EXTCODESIZE as usize] = InstructionInfo::new("EXTCODESIZE", 1, 1, GasPriceTier::Special);
arr[EXTCODECOPY as usize] = InstructionInfo::new("EXTCODECOPY", 4, 0, GasPriceTier::Special);
arr[BLOCKHASH as usize] = InstructionInfo::new("BLOCKHASH", 1, 1, GasPriceTier::Ext);
arr[COINBASE as usize] = InstructionInfo::new("COINBASE", 0, 1, GasPriceTier::Base);
arr[TIMESTAMP as usize] = InstructionInfo::new("TIMESTAMP", 0, 1, GasPriceTier::Base);
arr[NUMBER as usize] = InstructionInfo::new("NUMBER", 0, 1, GasPriceTier::Base);
arr[DIFFICULTY as usize] = InstructionInfo::new("DIFFICULTY", 0, 1, GasPriceTier::Base);
arr[GASLIMIT as usize] = InstructionInfo::new("GASLIMIT", 0, 1, GasPriceTier::Base);
arr[POP as usize] = InstructionInfo::new("POP", 1, 0, GasPriceTier::Base);
arr[MLOAD as usize] = InstructionInfo::new("MLOAD", 1, 1, GasPriceTier::VeryLow);
arr[MSTORE as usize] = InstructionInfo::new("MSTORE", 2, 0, GasPriceTier::VeryLow);
arr[MSTORE8 as usize] = InstructionInfo::new("MSTORE8", 2, 0, GasPriceTier::VeryLow);
arr[SLOAD as usize] = InstructionInfo::new("SLOAD", 1, 1, GasPriceTier::Special);
arr[SSTORE as usize] = InstructionInfo::new("SSTORE", 2, 0, GasPriceTier::Special);
arr[JUMP as usize] = InstructionInfo::new("JUMP", 1, 0, GasPriceTier::Mid);
arr[JUMPI as usize] = InstructionInfo::new("JUMPI", 2, 0, GasPriceTier::High);
arr[PC as usize] = InstructionInfo::new("PC", 0, 1, GasPriceTier::Base);
arr[MSIZE as usize] = InstructionInfo::new("MSIZE", 0, 1, GasPriceTier::Base);
arr[GAS as usize] = InstructionInfo::new("GAS", 0, 1, GasPriceTier::Base);
arr[JUMPDEST as usize] = InstructionInfo::new("JUMPDEST", 0, 0, GasPriceTier::Special);
arr[PUSH1 as usize] = InstructionInfo::new("PUSH1", 0, 1, GasPriceTier::VeryLow);
arr[PUSH2 as usize] = InstructionInfo::new("PUSH2", 0, 1, GasPriceTier::VeryLow);
arr[PUSH3 as usize] = InstructionInfo::new("PUSH3", 0, 1, GasPriceTier::VeryLow);
arr[PUSH4 as usize] = InstructionInfo::new("PUSH4", 0, 1, GasPriceTier::VeryLow);
arr[PUSH5 as usize] = InstructionInfo::new("PUSH5", 0, 1, GasPriceTier::VeryLow);
arr[PUSH6 as usize] = InstructionInfo::new("PUSH6", 0, 1, GasPriceTier::VeryLow);
arr[PUSH7 as usize] = InstructionInfo::new("PUSH7", 0, 1, GasPriceTier::VeryLow);
arr[PUSH8 as usize] = InstructionInfo::new("PUSH8", 0, 1, GasPriceTier::VeryLow);
arr[PUSH9 as usize] = InstructionInfo::new("PUSH9", 0, 1, GasPriceTier::VeryLow);
arr[PUSH10 as usize] = InstructionInfo::new("PUSH10", 0, 1, GasPriceTier::VeryLow);
arr[PUSH11 as usize] = InstructionInfo::new("PUSH11", 0, 1, GasPriceTier::VeryLow);
arr[PUSH12 as usize] = InstructionInfo::new("PUSH12", 0, 1, GasPriceTier::VeryLow);
arr[PUSH13 as usize] = InstructionInfo::new("PUSH13", 0, 1, GasPriceTier::VeryLow);
arr[PUSH14 as usize] = InstructionInfo::new("PUSH14", 0, 1, GasPriceTier::VeryLow);
arr[PUSH15 as usize] = InstructionInfo::new("PUSH15", 0, 1, GasPriceTier::VeryLow);
arr[PUSH16 as usize] = InstructionInfo::new("PUSH16", 0, 1, GasPriceTier::VeryLow);
arr[PUSH17 as usize] = InstructionInfo::new("PUSH17", 0, 1, GasPriceTier::VeryLow);
arr[PUSH18 as usize] = InstructionInfo::new("PUSH18", 0, 1, GasPriceTier::VeryLow);
arr[PUSH19 as usize] = InstructionInfo::new("PUSH19", 0, 1, GasPriceTier::VeryLow);
arr[PUSH20 as usize] = InstructionInfo::new("PUSH20", 0, 1, GasPriceTier::VeryLow);
arr[PUSH21 as usize] = InstructionInfo::new("PUSH21", 0, 1, GasPriceTier::VeryLow);
arr[PUSH22 as usize] = InstructionInfo::new("PUSH22", 0, 1, GasPriceTier::VeryLow);
arr[PUSH23 as usize] = InstructionInfo::new("PUSH23", 0, 1, GasPriceTier::VeryLow);
arr[PUSH24 as usize] = InstructionInfo::new("PUSH24", 0, 1, GasPriceTier::VeryLow);
arr[PUSH25 as usize] = InstructionInfo::new("PUSH25", 0, 1, GasPriceTier::VeryLow);
arr[PUSH26 as usize] = InstructionInfo::new("PUSH26", 0, 1, GasPriceTier::VeryLow);
arr[PUSH27 as usize] = InstructionInfo::new("PUSH27", 0, 1, GasPriceTier::VeryLow);
arr[PUSH28 as usize] = InstructionInfo::new("PUSH28", 0, 1, GasPriceTier::VeryLow);
arr[PUSH29 as usize] = InstructionInfo::new("PUSH29", 0, 1, GasPriceTier::VeryLow);
arr[PUSH30 as usize] = InstructionInfo::new("PUSH30", 0, 1, GasPriceTier::VeryLow);
arr[PUSH31 as usize] = InstructionInfo::new("PUSH31", 0, 1, GasPriceTier::VeryLow);
arr[PUSH32 as usize] = InstructionInfo::new("PUSH32", 0, 1, GasPriceTier::VeryLow);
arr[DUP1 as usize] = InstructionInfo::new("DUP1", 1, 2, GasPriceTier::VeryLow);
arr[DUP2 as usize] = InstructionInfo::new("DUP2", 2, 3, GasPriceTier::VeryLow);
arr[DUP3 as usize] = InstructionInfo::new("DUP3", 3, 4, GasPriceTier::VeryLow);
arr[DUP4 as usize] = InstructionInfo::new("DUP4", 4, 5, GasPriceTier::VeryLow);
arr[DUP5 as usize] = InstructionInfo::new("DUP5", 5, 6, GasPriceTier::VeryLow);
arr[DUP6 as usize] = InstructionInfo::new("DUP6", 6, 7, GasPriceTier::VeryLow);
arr[DUP7 as usize] = InstructionInfo::new("DUP7", 7, 8, GasPriceTier::VeryLow);
arr[DUP8 as usize] = InstructionInfo::new("DUP8", 8, 9, GasPriceTier::VeryLow);
arr[DUP9 as usize] = InstructionInfo::new("DUP9", 9, 10, GasPriceTier::VeryLow);
arr[DUP10 as usize] = InstructionInfo::new("DUP10", 10, 11, GasPriceTier::VeryLow);
arr[DUP11 as usize] = InstructionInfo::new("DUP11", 11, 12, GasPriceTier::VeryLow);
arr[DUP12 as usize] = InstructionInfo::new("DUP12", 12, 13, GasPriceTier::VeryLow);
arr[DUP13 as usize] = InstructionInfo::new("DUP13", 13, 14, GasPriceTier::VeryLow);
arr[DUP14 as usize] = InstructionInfo::new("DUP14", 14, 15, GasPriceTier::VeryLow);
arr[DUP15 as usize] = InstructionInfo::new("DUP15", 15, 16, GasPriceTier::VeryLow);
arr[DUP16 as usize] = InstructionInfo::new("DUP16", 16, 17, GasPriceTier::VeryLow);
arr[SWAP1 as usize] = InstructionInfo::new("SWAP1", 2, 2, GasPriceTier::VeryLow);
arr[SWAP2 as usize] = InstructionInfo::new("SWAP2", 3, 3, GasPriceTier::VeryLow);
arr[SWAP3 as usize] = InstructionInfo::new("SWAP3", 4, 4, GasPriceTier::VeryLow);
arr[SWAP4 as usize] = InstructionInfo::new("SWAP4", 5, 5, GasPriceTier::VeryLow);
arr[SWAP5 as usize] = InstructionInfo::new("SWAP5", 6, 6, GasPriceTier::VeryLow);
arr[SWAP6 as usize] = InstructionInfo::new("SWAP6", 7, 7, GasPriceTier::VeryLow);
arr[SWAP7 as usize] = InstructionInfo::new("SWAP7", 8, 8, GasPriceTier::VeryLow);
arr[SWAP8 as usize] = InstructionInfo::new("SWAP8", 9, 9, GasPriceTier::VeryLow);
arr[SWAP9 as usize] = InstructionInfo::new("SWAP9", 10, 10, GasPriceTier::VeryLow);
arr[SWAP10 as usize] = InstructionInfo::new("SWAP10", 11, 11, GasPriceTier::VeryLow);
arr[SWAP11 as usize] = InstructionInfo::new("SWAP11", 12, 12, GasPriceTier::VeryLow);
arr[SWAP12 as usize] = InstructionInfo::new("SWAP12", 13, 13, GasPriceTier::VeryLow);
arr[SWAP13 as usize] = InstructionInfo::new("SWAP13", 14, 14, GasPriceTier::VeryLow);
arr[SWAP14 as usize] = InstructionInfo::new("SWAP14", 15, 15, GasPriceTier::VeryLow);
arr[SWAP15 as usize] = InstructionInfo::new("SWAP15", 16, 16, GasPriceTier::VeryLow);
arr[SWAP16 as usize] = InstructionInfo::new("SWAP16", 17, 17, GasPriceTier::VeryLow);
arr[LOG0 as usize] = InstructionInfo::new("LOG0", 2, 0, GasPriceTier::Special);
arr[LOG1 as usize] = InstructionInfo::new("LOG1", 3, 0, GasPriceTier::Special);
arr[LOG2 as usize] = InstructionInfo::new("LOG2", 4, 0, GasPriceTier::Special);
arr[LOG3 as usize] = InstructionInfo::new("LOG3", 5, 0, GasPriceTier::Special);
arr[LOG4 as usize] = InstructionInfo::new("LOG4", 6, 0, GasPriceTier::Special);
arr[CREATE as usize] = InstructionInfo::new("CREATE", 3, 1, GasPriceTier::Special);
arr[CALL as usize] = InstructionInfo::new("CALL", 7, 1, GasPriceTier::Special);
arr[CALLCODE as usize] = InstructionInfo::new("CALLCODE", 7, 1, GasPriceTier::Special);
arr[RETURN as usize] = InstructionInfo::new("RETURN", 2, 0, GasPriceTier::Zero);
arr[DELEGATECALL as usize] = InstructionInfo::new("DELEGATECALL", 6, 1, GasPriceTier::Special);
arr[SUICIDE as usize] = InstructionInfo::new("SUICIDE", 1, 0, GasPriceTier::Special);
arr[CREATE2 as usize] = InstructionInfo::new("CREATE2", 3, 1, GasPriceTier::Special);
arr[REVERT as usize] = InstructionInfo::new("REVERT", 2, 0, GasPriceTier::Zero);
arr
};
}

View File

@@ -89,9 +89,10 @@ impl Memory for Vec<u8> {
}
fn write_slice(&mut self, offset: U256, slice: &[u8]) {
let off = offset.low_u64() as usize;
self[off..off+slice.len()].copy_from_slice(slice);
if !slice.is_empty() {
let off = offset.low_u64() as usize;
self[off..off+slice.len()].copy_from_slice(slice);
}
}
fn write(&mut self, offset: U256, value: U256) {
@@ -183,5 +184,12 @@ mod tests {
assert_eq!(mem.read_slice(U256::from(0), U256::from(7)), "a67890g".as_bytes());
}
// write empty slice out of bounds
{
let slice = [];
mem.write_slice(U256::from(0x1000), &slice);
assert_eq!(mem.size(), 32);
}
}
}

View File

@@ -130,7 +130,7 @@ impl<Cost: CostType> evm::Evm for Interpreter<Cost> {
// Calculate gas cost
let requirements = gasometer.requirements(ext, instruction, info, &stack, self.mem.size())?;
// TODO: make compile-time removable if too much of a performance hit.
let trace_executed = ext.trace_prepare_execute(reader.position - 1, instruction, info.args, &requirements.gas_cost.as_u256());
let trace_executed = ext.trace_prepare_execute(reader.position - 1, instruction, &requirements.gas_cost.as_u256());
gasometer.verify_gas(&requirements.gas_cost)?;
self.mem.expand(requirements.memory_required_size);

View File

@@ -35,6 +35,7 @@ mod benches;
pub use self::evm::{Evm, Error, Finalize, FinalizationResult, GasLeft, Result, CostType, ReturnData};
pub use self::ext::{Ext, ContractCreateResult, MessageCallResult, CreateContractAddress};
pub use self::instructions::{InstructionInfo, INSTRUCTIONS, push_bytes};
pub use self::vmtype::VMType;
pub use self::factory::Factory;
pub use self::schedule::Schedule;

View File

@@ -357,7 +357,7 @@ impl<'a, B: 'a + StateBackend, E: Engine + ?Sized> Executive<'a, B, E> {
self.exec_vm(params, &mut unconfirmed_substate, OutputPolicy::Return(output, trace_output.as_mut()), &mut subtracer, &mut subvmtracer)
};
vm_tracer.done_subtrace(subvmtracer);
vm_tracer.done_subtrace(subvmtracer, res.is_ok());
trace!(target: "executive", "res={:?}", res);
@@ -432,7 +432,7 @@ impl<'a, B: 'a + StateBackend, E: Engine + ?Sized> Executive<'a, B, E> {
self.exec_vm(params, &mut unconfirmed_substate, OutputPolicy::InitContract(trace_output.as_mut()), &mut subtracer, &mut subvmtracer)
};
vm_tracer.done_subtrace(subvmtracer);
vm_tracer.done_subtrace(subvmtracer, res.is_ok());
match res {
Ok(ref res) => tracer.trace_create(

View File

@@ -361,8 +361,8 @@ impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Ext for Externalities<'a, T, V, B, E>
self.substate.sstore_clears_count = self.substate.sstore_clears_count + U256::one();
}
fn trace_prepare_execute(&mut self, pc: usize, instruction: u8, stack_pop: usize, gas_cost: &U256) -> bool {
self.vm_tracer.trace_prepare_execute(pc, instruction, stack_pop, gas_cost)
fn trace_prepare_execute(&mut self, pc: usize, instruction: u8, gas_cost: &U256) -> bool {
self.vm_tracer.trace_prepare_execute(pc, instruction, gas_cost)
}
fn trace_executed(&mut self, gas_used: U256, stack_push: &[U256], mem_diff: Option<(usize, &[u8])>, store_diff: Option<(U256, U256)>) {

View File

@@ -192,7 +192,7 @@ impl ExecutiveVMTracer {
}
impl VMTracer for ExecutiveVMTracer {
fn trace_prepare_execute(&mut self, pc: usize, instruction: u8, _stack_pop: usize, gas_cost: &U256) -> bool {
fn trace_prepare_execute(&mut self, pc: usize, instruction: u8, gas_cost: &U256) -> bool {
self.data.operations.push(VMOperation {
pc: pc,
instruction: instruction,
@@ -221,7 +221,7 @@ impl VMTracer for ExecutiveVMTracer {
}}
}
fn done_subtrace(&mut self, sub: Self) {
fn done_subtrace(&mut self, sub: Self, _is_successful: bool) {
self.data.subs.push(sub.data);
}

View File

@@ -89,7 +89,7 @@ pub trait Tracer: Send {
pub trait VMTracer: Send {
/// Trace the preparation to execute a single instruction.
/// @returns true if `trace_executed` should be called.
fn trace_prepare_execute(&mut self, _pc: usize, _instruction: u8, _stack_pop: usize, _gas_cost: &U256) -> bool { false }
fn trace_prepare_execute(&mut self, _pc: usize, _instruction: u8, _gas_cost: &U256) -> bool { false }
/// Trace the finalised execution of a single instruction.
fn trace_executed(&mut self, _gas_used: U256, _stack_push: &[U256], _mem_diff: Option<(usize, &[u8])>, _store_diff: Option<(U256, U256)>) {}
@@ -98,7 +98,7 @@ pub trait VMTracer: Send {
fn prepare_subtrace(&self, code: &[u8]) -> Self where Self: Sized;
/// Finalize subtracer.
fn done_subtrace(&mut self, sub: Self) where Self: Sized;
fn done_subtrace(&mut self, sub: Self, is_successful: bool) where Self: Sized;
/// Consumes self and returns the VM trace.
fn drain(self) -> Option<VMTrace>;

View File

@@ -72,7 +72,7 @@ pub struct NoopVMTracer;
impl VMTracer for NoopVMTracer {
/// Trace the preparation to execute a single instruction.
fn trace_prepare_execute(&mut self, _pc: usize, _instruction: u8, _stack_pop: usize, _gas_cost: &U256) -> bool { false }
fn trace_prepare_execute(&mut self, _pc: usize, _instruction: u8, _gas_cost: &U256) -> bool { false }
/// Trace the finalised execution of a single instruction.
fn trace_executed(&mut self, _gas_used: U256, _stack_push: &[U256], _mem_diff: Option<(usize, &[u8])>, _store_diff: Option<(U256, U256)>) {}
@@ -81,7 +81,7 @@ impl VMTracer for NoopVMTracer {
fn prepare_subtrace(&self, _code: &[u8]) -> Self { NoopVMTracer }
/// Spawn subtracer which will be used to trace deeper levels of execution.
fn done_subtrace(&mut self, _sub: Self) {}
fn done_subtrace(&mut self, _sub: Self, _is_successful: bool) {}
/// Consumes self and returns all VM traces.
fn drain(self) -> Option<VMTrace> { None }