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pwasm-std update (#7018)

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This commit is contained in:
Sergey Pepyakin 2017-11-13 00:21:15 +03:00 committed by debris
parent 6ad5d559ca
commit 561e843207
6 changed files with 212 additions and 85 deletions
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8
Cargo.lock generated
View File

@ -2387,7 +2387,7 @@ dependencies = [
[[package]]
name = "parity-wasm"
version = "0.15.1"
version = "0.15.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@ -3575,7 +3575,7 @@ dependencies = [
"ethcore-logger 1.8.0",
"ethcore-util 1.8.3",
"log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
"parity-wasm 0.15.1 (registry+https://github.com/rust-lang/crates.io-index)",
"parity-wasm 0.15.3 (registry+https://github.com/rust-lang/crates.io-index)",
"vm 0.1.0",
"wasm-utils 0.1.0 (git+https://github.com/paritytech/wasm-utils)",
]
@ -3591,7 +3591,7 @@ dependencies = [
"glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
"parity-wasm 0.15.1 (registry+https://github.com/rust-lang/crates.io-index)",
"parity-wasm 0.15.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
@ -3815,7 +3815,7 @@ dependencies = [
"checksum parity-dapps-glue 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ddaeb8543c6823e93dae65a25eb8083ebfeee8f0000031119d7a0055b2e8fc63"
"checksum parity-tokio-ipc 0.1.5 (git+https://github.com/nikvolf/parity-tokio-ipc)" = "<none>"
"checksum parity-ui-precompiled 1.4.0 (git+https://github.com/paritytech/js-precompiled.git?branch=beta)" = "<none>"
"checksum parity-wasm 0.15.1 (registry+https://github.com/rust-lang/crates.io-index)" = "95f6243c2d6fadf903b5edfd0011817efc20522ce5f360abf4648c24ea87581a"
"checksum parity-wasm 0.15.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8431a184ad88cfbcd71a792aaca319cc7203a94300c26b8dce2d0df0681ea87d"
"checksum parity-wordlist 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "81451bfab101d186f8fc4a0aa13cb5539b31b02c4ed96425a0842e2a413daba6"
"checksum parking_lot 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "149d8f5b97f3c1133e3cfcd8886449959e856b557ff281e292b733d7c69e005e"
"checksum parking_lot_core 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "4f610cb9664da38e417ea3225f23051f589851999535290e077939838ab7a595"

2
ethcore/res/wasm-tests

@ -1 +1 @@
Subproject commit 94b7877b5826a53627b8732ea0feb45869dd04ab
Subproject commit 9a1fcbf0d4e73bea437577e807bc38c7ba243d80

14
ethcore/vm/src/schedule.rs
View File

@ -127,12 +127,14 @@ pub struct WasmCosts {
pub mul: u32,
/// Memory (load/store) operations multiplier.
pub mem: u32,
/// Memory copy operation.
/// Memory copy operation, per byte.
pub mem_copy: u32,
/// Memory move operation, per byte.
pub mem_move: u32,
/// Memory set operation, per byte.
pub mem_set: u32,
/// Static region charge, per byte.
pub static_region: u32,
/// General static query of u64 value from env-info
pub static_u64: u32,
/// General static query of U256 value from env-info
pub static_u256: u32,
/// General static query of Address value from env-info
@ -147,11 +149,9 @@ impl Default for WasmCosts {
mul: 4,
mem: 2,
mem_copy: 1,
mem_move: 1,
mem_set: 1,
static_region: 1,
// due to runtime issues, this can be slow
static_u64: 32,
static_u256: 64,
static_address: 40,
}

29
ethcore/wasm/src/env.rs
View File

@ -38,12 +38,12 @@ pub const SIGNATURES: &'static [UserFunctionDescriptor] = &[
None,
),
Static(
"_malloc",
"_ext_malloc",
&[I32],
Some(I32),
),
Static(
"_free",
"_ext_free",
&[I32],
None,
),
@ -92,6 +92,21 @@ pub const SIGNATURES: &'static [UserFunctionDescriptor] = &[
&[I32; 3],
Some(I32),
),
Static(
"_ext_memcpy",
&[I32; 3],
Some(I32),
),
Static(
"_ext_memset",
&[I32; 3],
Some(I32),
),
Static(
"_ext_memmove",
&[I32; 3],
Some(I32),
),
Static(
"_panic",
&[I32; 2],
@ -99,7 +114,7 @@ pub const SIGNATURES: &'static [UserFunctionDescriptor] = &[
),
Static(
"_blockhash",
&[I32; 3],
&[I64, I32],
Some(I32),
),
Static(
@ -130,12 +145,12 @@ pub const SIGNATURES: &'static [UserFunctionDescriptor] = &[
Static(
"_timestamp",
&[],
Some(I32),
Some(I64),
),
Static(
"_blocknumber",
&[],
Some(I32),
Some(I64),
),
Static(
"_difficulty",
@ -162,8 +177,8 @@ pub const SIGNATURES: &'static [UserFunctionDescriptor] = &[
Static(
"_llvm_bswap_i64",
&[I32; 2],
Some(I32)
&[I64],
Some(I64)
),
];

102
ethcore/wasm/src/runtime.rs
View File

@ -560,32 +560,67 @@ impl<'a, 'b> Runtime<'a, 'b> {
fn mem_copy(&mut self, context: InterpreterCallerContext)
-> Result<Option<interpreter::RuntimeValue>, InterpreterError>
{
//
// method signature:
// fn memcpy(dest: *const u8, src: *const u8, len: u32) -> *mut u8;
//
let len = context.value_stack.pop_as::<i32>()? as u32;
let dst = context.value_stack.pop_as::<i32>()? as u32;
let src = context.value_stack.pop_as::<i32>()? as u32;
let dst = context.value_stack.pop_as::<i32>()? as u32;
self.charge(|schedule| schedule.wasm.mem_copy as u64 * len as u64)?;
let mem = self.memory().get(src, len as usize)?;
self.memory().set(dst, &mem)?;
self.memory().copy_nonoverlapping(src as usize, dst as usize, len as usize)?;
Ok(Some(0i32.into()))
Ok(Some(Into::into(dst as i32)))
}
fn bswap_32(x: u32) -> u32 {
x >> 24 | x >> 8 & 0xff00 | x << 8 & 0xff0000 | x << 24
fn mem_move(&mut self, context: InterpreterCallerContext)
-> Result<Option<interpreter::RuntimeValue>, InterpreterError>
{
//
// method signature:
// fn memmove(dest: *const u8, src: *const u8, len: u32) -> *mut u8;
//
let len = context.value_stack.pop_as::<i32>()? as u32;
let src = context.value_stack.pop_as::<i32>()? as u32;
let dst = context.value_stack.pop_as::<i32>()? as u32;
self.charge(|schedule| schedule.wasm.mem_move as u64 * len as u64)?;
self.memory().copy(src as usize, dst as usize, len as usize)?;
Ok(Some(Into::into(dst as i32)))
}
fn mem_set(&mut self, context: InterpreterCallerContext)
-> Result<Option<interpreter::RuntimeValue>, InterpreterError>
{
//
// method signature:
// fn memset(dest: *const u8, c: u32, len: u32) -> *mut u8;
//
let len = context.value_stack.pop_as::<i32>()? as u32;
let c = context.value_stack.pop_as::<i32>()? as u32;
let dst = context.value_stack.pop_as::<i32>()? as u32;
self.charge(|schedule| schedule.wasm.mem_set as u64 * len as u64)?;
self.memory().clear(dst as usize, c as u8, len as usize)?;
Ok(Some(Into::into(dst as i32)))
}
fn bitswap_i64(&mut self, context: InterpreterCallerContext)
-> Result<Option<interpreter::RuntimeValue>, InterpreterError>
{
let x1 = context.value_stack.pop_as::<i32>()?;
let x2 = context.value_stack.pop_as::<i32>()?;
let x = context.value_stack.pop_as::<i64>()?;
let result = x.swap_bytes();
let result = ((Runtime::bswap_32(x2 as u32) as u64) << 32
| Runtime::bswap_32(x1 as u32) as u64) as i64;
self.return_i64(result)
Ok(Some(result.into()))
}
fn user_panic(&mut self, context: InterpreterCallerContext)
@ -606,13 +641,10 @@ impl<'a, 'b> Runtime<'a, 'b> {
-> Result<Option<interpreter::RuntimeValue>, InterpreterError>
{
let return_ptr = context.value_stack.pop_as::<i32>()? as u32;
let block_hi = context.value_stack.pop_as::<i32>()? as u32;
let block_lo = context.value_stack.pop_as::<i32>()? as u32;
let block_num = context.value_stack.pop_as::<i64>()? as u64;
self.charge(|schedule| schedule.blockhash_gas as u64)?;
let block_num = (block_hi as u64) << 32 | block_lo as u64;
trace!("Requesting block hash for block #{}", block_num);
let hash = self.ext.blockhash(&U256::from(block_num));
@ -694,14 +726,14 @@ impl<'a, 'b> Runtime<'a, 'b> {
-> Result<Option<interpreter::RuntimeValue>, InterpreterError>
{
let timestamp = self.ext.env_info().timestamp as i64;
self.return_i64(timestamp)
Ok(Some(timestamp.into()))
}
fn block_number(&mut self, _context: InterpreterCallerContext)
-> Result<Option<interpreter::RuntimeValue>, InterpreterError>
{
let block_number: u64 = self.ext.env_info().number.into();
self.return_i64(block_number as i64)
let block_number = self.ext.env_info().number as i64;
Ok(Some(block_number.into()))
}
fn difficulty(&mut self, context: InterpreterCallerContext)
@ -726,25 +758,6 @@ impl<'a, 'b> Runtime<'a, 'b> {
Ok(None)
}
fn return_i64(&mut self, val: i64) -> Result<Option<interpreter::RuntimeValue>, InterpreterError> {
self.charge(|schedule| schedule.wasm.static_u64 as u64)?;
let uval = val as u64;
let hi = (uval >> 32) as i32;
let lo = (uval << 32 >> 32) as i32;
let target = self.instance.module("contract").ok_or(UserTrap::Other)?;
target.execute_export(
"setTempRet0",
self.execution_params().add_argument(
interpreter::RuntimeValue::I32(hi).into()
),
)?;
Ok(Some(
(lo).into()
))
}
pub fn execution_params(&mut self) -> interpreter::ExecutionParams<UserTrap> {
use super::env;
@ -812,10 +825,10 @@ impl<'a, 'b> interpreter::UserFunctionExecutor<UserTrap> for Runtime<'a, 'b> {
-> Result<Option<interpreter::RuntimeValue>, InterpreterError>
{
match name {
"_malloc" => {
"_ext_malloc" => {
self.malloc(context)
},
"_free" => {
"_ext_free" => {
// Since it is arena allocator, free does nothing
// todo: update if changed
self.user_noop(context)
@ -853,6 +866,15 @@ impl<'a, 'b> interpreter::UserFunctionExecutor<UserTrap> for Runtime<'a, 'b> {
"_emscripten_memcpy_big" => {
self.mem_copy(context)
},
"_ext_memcpy" => {
self.mem_copy(context)
},
"_ext_memmove" => {
self.mem_move(context)
},
"_ext_memset" => {
self.mem_set(context)
},
"_llvm_bswap_i64" => {
self.bitswap_i64(context)
},

142
ethcore/wasm/src/tests.rs
View File

@ -60,7 +60,7 @@ fn empty() {
test_finalize(interpreter.exec(params, &mut ext)).unwrap()
};
assert_eq!(gas_left, U256::from(99_976));
assert_eq!(gas_left, U256::from(99_982));
}
// This test checks if the contract deserializes payload header properly.
@ -89,7 +89,6 @@ fn logger() {
test_finalize(interpreter.exec(params, &mut ext)).unwrap()
};
assert_eq!(gas_left, U256::from(15_177));
let address_val: H256 = address.into();
assert_eq!(
ext.store.get(&"0100000000000000000000000000000000000000000000000000000000000000".parse().unwrap()).expect("storage key to exist"),
@ -113,6 +112,7 @@ fn logger() {
U256::from(1_000_000_000),
"Logger sets 0x04 key to the trasferred value"
);
assert_eq!(gas_left, U256::from(19_143));
}
// This test checks if the contract can allocate memory and pass pointer to the result stream properly.
@ -142,13 +142,12 @@ fn identity() {
}
};
assert_eq!(gas_left, U256::from(99_695));
assert_eq!(
Address::from_slice(&result),
sender,
"Idenity test contract does not return the sender passed"
);
assert_eq!(gas_left, U256::from(99_844));
}
// Dispersion test sends byte array and expect the contract to 'disperse' the original elements with
@ -176,12 +175,12 @@ fn dispersion() {
}
};
assert_eq!(gas_left, U256::from(96_543));
assert_eq!(
result,
vec![0u8, 0, 125, 11, 197, 7, 255, 8, 19, 0]
);
assert_eq!(gas_left, U256::from(99_469));
}
#[test]
@ -205,12 +204,11 @@ fn suicide_not() {
}
};
assert_eq!(gas_left, U256::from(96_822));
assert_eq!(
result,
vec![0u8]
);
assert_eq!(gas_left, U256::from(99_724));
}
#[test]
@ -241,8 +239,8 @@ fn suicide() {
}
};
assert_eq!(gas_left, U256::from(96_580));
assert!(ext.suicides.contains(&refund));
assert_eq!(gas_left, U256::from(99_663));
}
#[test]
@ -272,7 +270,7 @@ fn create() {
assert!(ext.calls.contains(
&FakeCall {
call_type: FakeCallType::Create,
gas: U256::from(62_324),
gas: U256::from(65_903),
sender_address: None,
receive_address: None,
value: Some(1_000_000_000.into()),
@ -280,7 +278,7 @@ fn create() {
code_address: None,
}
));
assert_eq!(gas_left, U256::from(62_289));
assert_eq!(gas_left, U256::from(65_896));
}
@ -314,7 +312,7 @@ fn call_code() {
assert!(ext.calls.contains(
&FakeCall {
call_type: FakeCallType::Call,
gas: U256::from(95_585),
gas: U256::from(98_709),
sender_address: Some(sender),
receive_address: Some(receiver),
value: None,
@ -322,11 +320,11 @@ fn call_code() {
code_address: Some("0d13710000000000000000000000000000000000".parse().unwrap()),
}
));
assert_eq!(gas_left, U256::from(90_665));
// siphash result
let res = LittleEndian::read_u32(&result[..]);
assert_eq!(res, 4198595614);
assert_eq!(gas_left, U256::from(93_851));
}
#[test]
@ -359,7 +357,7 @@ fn call_static() {
assert!(ext.calls.contains(
&FakeCall {
call_type: FakeCallType::Call,
gas: U256::from(95_585),
gas: U256::from(98_709),
sender_address: Some(sender),
receive_address: Some(receiver),
value: None,
@ -367,11 +365,12 @@ fn call_static() {
code_address: Some("13077bfb00000000000000000000000000000000".parse().unwrap()),
}
));
assert_eq!(gas_left, U256::from(90_665));
// siphash result
let res = LittleEndian::read_u32(&result[..]);
assert_eq!(res, 317632590);
assert_eq!(gas_left, U256::from(93_851));
}
// Realloc test
@ -393,8 +392,8 @@ fn realloc() {
GasLeft::NeedsReturn { gas_left: gas, data: result, apply_state: _apply } => (gas, result.to_vec()),
}
};
assert_eq!(gas_left, U256::from(96_811));
assert_eq!(result, vec![0u8; 2]);
assert_eq!(gas_left, U256::from(99_787));
}
// Tests that contract's ability to read from a storage
@ -419,8 +418,8 @@ fn storage_read() {
}
};
assert_eq!(gas_left, U256::from(96_645));
assert_eq!(Address::from(&result[12..32]), address);
assert_eq!(gas_left, U256::from(99_702));
}
// Tests keccak calculation
@ -446,9 +445,97 @@ fn keccak() {
};
assert_eq!(H256::from_slice(&result), H256::from("68371d7e884c168ae2022c82bd837d51837718a7f7dfb7aa3f753074a35e1d87"));
assert_eq!(gas_left, U256::from(80_452));
assert_eq!(gas_left, U256::from(84_520));
}
// memcpy test.
#[test]
fn memcpy() {
::ethcore_logger::init_log();
let code = load_sample!("mem.wasm");
let mut test_payload = Vec::with_capacity(8192);
for i in 0..8192 {
test_payload.push((i % 255) as u8);
}
let mut data = vec![0u8];
data.extend(&test_payload);
let mut params = ActionParams::default();
params.gas = U256::from(100_000);
params.code = Some(Arc::new(code));
params.data = Some(data);
let mut ext = FakeExt::new();
let (gas_left, result) = {
let mut interpreter = wasm_interpreter();
let result = interpreter.exec(params, &mut ext).expect("Interpreter to execute without any errors");
match result {
GasLeft::Known(_) => { panic!("mem should return payload"); },
GasLeft::NeedsReturn { gas_left: gas, data: result, apply_state: _apply } => (gas, result.to_vec()),
}
};
assert_eq!(result, test_payload);
assert_eq!(gas_left, U256::from(75_324));
}
// memmove test.
#[test]
fn memmove() {
::ethcore_logger::init_log();
let code = load_sample!("mem.wasm");
let mut test_payload = Vec::with_capacity(8192);
for i in 0..8192 {
test_payload.push((i % 255) as u8);
}
let mut data = vec![1u8];
data.extend(&test_payload);
let mut params = ActionParams::default();
params.gas = U256::from(100_000);
params.code = Some(Arc::new(code));
params.data = Some(data);
let mut ext = FakeExt::new();
let (gas_left, result) = {
let mut interpreter = wasm_interpreter();
let result = interpreter.exec(params, &mut ext).expect("Interpreter to execute without any errors");
match result {
GasLeft::Known(_) => { panic!("mem should return payload"); },
GasLeft::NeedsReturn { gas_left: gas, data: result, apply_state: _apply } => (gas, result.to_vec()),
}
};
assert_eq!(result, test_payload);
assert_eq!(gas_left, U256::from(75_324));
}
// memset test
#[test]
fn memset() {
::ethcore_logger::init_log();
let code = load_sample!("mem.wasm");
let mut params = ActionParams::default();
params.gas = U256::from(100_000);
params.code = Some(Arc::new(code));
params.data = Some(vec![2u8, 228u8]);
let mut ext = FakeExt::new();
let (gas_left, result) = {
let mut interpreter = wasm_interpreter();
let result = interpreter.exec(params, &mut ext).expect("Interpreter to execute without any errors");
match result {
GasLeft::Known(_) => { panic!("mem should return payload"); },
GasLeft::NeedsReturn { gas_left: gas, data: result, apply_state: _apply } => (gas, result.to_vec()),
}
};
assert_eq!(result, vec![228u8; 8192]);
assert_eq!(gas_left, U256::from(75_324));
}
macro_rules! reqrep_test {
($name: expr, $input: expr) => {
@ -500,11 +587,11 @@ fn math_add() {
}
).expect("Interpreter to execute without any errors");
assert_eq!(gas_left, U256::from(94_666));
assert_eq!(
U256::from_dec_str("1888888888888888888888888888887").unwrap(),
(&result[..]).into()
);
assert_eq!(gas_left, U256::from(98_576));
}
// multiplication
@ -522,11 +609,11 @@ fn math_mul() {
}
).expect("Interpreter to execute without any errors");
assert_eq!(gas_left, U256::from(93_719));
assert_eq!(
U256::from_dec_str("888888888888888888888888888887111111111111111111111111111112").unwrap(),
(&result[..]).into()
);
assert_eq!(gas_left, U256::from(97_726));
}
// subtraction
@ -544,11 +631,11 @@ fn math_sub() {
}
).expect("Interpreter to execute without any errors");
assert_eq!(gas_left, U256::from(94_718));
assert_eq!(
U256::from_dec_str("111111111111111111111111111111").unwrap(),
(&result[..]).into()
);
assert_eq!(gas_left, U256::from(98_568));
}
// subtraction with overflow
@ -566,7 +653,10 @@ fn math_sub_with_overflow() {
}
);
assert_eq!(result, Err(vm::Error::Wasm("Wasm runtime error: User(Panic(\"arithmetic operation overflow\"))".into())));
match result {
Err(vm::Error::Wasm(_)) => {},
_ => panic!("Unexpected result {:?}", result),
}
}
#[test]
@ -583,11 +673,11 @@ fn math_div() {
}
).expect("Interpreter to execute without any errors");
assert_eq!(gas_left, U256::from(86_996));
assert_eq!(
U256::from_dec_str("1125000").unwrap(),
(&result[..]).into()
);
assert_eq!(gas_left, U256::from(91_564));
}
// This test checks the ability of wasm contract to invoke
@ -675,7 +765,7 @@ fn externs() {
"Gas limit requested and returned does not match"
);
assert_eq!(gas_left, U256::from(91_857));
assert_eq!(gas_left, U256::from(97_740));
}
#[test]
@ -701,7 +791,7 @@ fn embedded_keccak() {
};
assert_eq!(H256::from_slice(&result), H256::from("68371d7e884c168ae2022c82bd837d51837718a7f7dfb7aa3f753074a35e1d87"));
assert_eq!(gas_left, U256::from(80_452));
assert_eq!(gas_left, U256::from(84_520));
}
/// This test checks the correctness of log extern
@ -736,5 +826,5 @@ fn events() {
assert_eq!(&log_entry.data, b"gnihtemos");
assert_eq!(&result, b"gnihtemos");
assert_eq!(gas_left, U256::from(78039));
}
assert_eq!(gas_left, U256::from(82_721));
}