Refactored Pod & Diff types into separate files.
This commit is contained in:
Gav Wood
parent
1b1038fe06
commit
c4d2df4872
@ -18,7 +18,6 @@ rust-crypto = "0.2.34"
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time = "0.1"
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#interpolate_idents = { git = "https://github.com/SkylerLipthay/interpolate_idents" }
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evmjit = { path = "rust-evmjit", optional = true }
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itertools = "0.4"
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[features]
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default = ["jit"]
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571
src/account.rs
571
src/account.rs
@ -1,396 +1,5 @@
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use util::*;
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use itertools::Itertools;
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pub const SHA3_EMPTY: H256 = H256( [0xc5, 0xd2, 0x46, 0x01, 0x86, 0xf7, 0x23, 0x3c, 0x92, 0x7e, 0x7d, 0xb2, 0xdc, 0xc7, 0x03, 0xc0, 0xe5, 0x00, 0xb6, 0x53, 0xca, 0x82, 0x27, 0x3b, 0x7b, 0xfa, 0xd8, 0x04, 0x5d, 0x85, 0xa4, 0x70] );
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#[derive(Debug,Clone,PartialEq,Eq)]
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pub enum Diff<T> where T: Eq {
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Same,
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Born(T),
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Changed(T, T),
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Died(T),
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}
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#[derive(Debug,Clone,PartialEq,Eq)]
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pub enum Existance {
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Born,
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Alive,
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Died,
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}
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impl<T> Diff<T> where T: Eq {
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pub fn new(pre: T, post: T) -> Self { if pre == post { Diff::Same } else { Diff::Changed(pre, post) } }
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pub fn pre(&self) -> Option<&T> { match self { &Diff::Died(ref x) | &Diff::Changed(ref x, _) => Some(x), _ => None } }
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pub fn post(&self) -> Option<&T> { match self { &Diff::Born(ref x) | &Diff::Changed(_, ref x) => Some(x), _ => None } }
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pub fn is_same(&self) -> bool { match self { &Diff::Same => true, _ => false }}
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}
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#[derive(Debug,Clone,PartialEq,Eq)]
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/// Genesis account data. Does not have a DB overlay cache.
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pub struct PodAccount {
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// Balance of the account.
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pub balance: U256,
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// Nonce of the account.
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pub nonce: U256,
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pub code: Bytes,
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pub storage: BTreeMap<H256, H256>,
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}
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impl fmt::Display for PodAccount {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "(bal={}; nonce={}; code={} bytes, #{}; storage={} items)", self.balance, self.nonce, self.code.len(), self.code.sha3(), self.storage.len())
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}
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}
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#[derive(Debug,Clone,PartialEq,Eq)]
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pub struct PodState (BTreeMap<Address, PodAccount>);
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pub fn map_h256_h256_from_json(json: &Json) -> BTreeMap<H256, H256> {
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json.as_object().unwrap().iter().fold(BTreeMap::new(), |mut m, (key, value)| {
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m.insert(H256::from(&u256_from_str(key)), H256::from(&u256_from_json(value)));
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m
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})
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}
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impl PodState {
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/// Contruct a new object from the `m`.
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pub fn from(m: BTreeMap<Address, PodAccount>) -> PodState { PodState(m) }
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/// Translate the JSON object into a hash map of account information ready for insertion into State.
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pub fn from_json(json: &Json) -> PodState {
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PodState(json.as_object().unwrap().iter().fold(BTreeMap::new(), |mut state, (address, acc)| {
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let balance = acc.find("balance").map(&u256_from_json);
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let nonce = acc.find("nonce").map(&u256_from_json);
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let storage = acc.find("storage").map(&map_h256_h256_from_json);;
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let code = acc.find("code").map(&bytes_from_json);
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if balance.is_some() || nonce.is_some() || storage.is_some() || code.is_some() {
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state.insert(address_from_hex(address), PodAccount{
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balance: balance.unwrap_or(U256::zero()),
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nonce: nonce.unwrap_or(U256::zero()),
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storage: storage.unwrap_or(BTreeMap::new()),
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code: code.unwrap_or(Vec::new())
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});
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}
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state
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}))
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}
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/// Drain object to get the underlying map.
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pub fn drain(self) -> BTreeMap<Address, PodAccount> { self.0 }
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}
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impl fmt::Display for PodState {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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for (add, acc) in &self.0 {
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try!(writeln!(f, "{} => {}", add, acc));
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}
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Ok(())
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}
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}
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#[derive(Debug,Clone,PartialEq,Eq)]
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pub struct AccountDiff {
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pub balance: Diff<U256>, // Allowed to be Same
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pub nonce: Diff<U256>, // Allowed to be Same
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pub code: Diff<Bytes>, // Allowed to be Same
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pub storage: BTreeMap<H256, Diff<H256>>,// Not allowed to be Same
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}
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impl AccountDiff {
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pub fn existance(&self) -> Existance {
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match self.balance {
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Diff::Born(_) => Existance::Born,
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Diff::Died(_) => Existance::Died,
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_ => Existance::Alive,
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}
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}
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}
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fn format(u: &H256) -> String {
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if u <= &H256::from(0xffffffff) {
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format!("{} = 0x{:x}", U256::from(u.as_slice()).low_u32(), U256::from(u.as_slice()).low_u32())
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} else if u <= &H256::from(u64::max_value()) {
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format!("{} = 0x{:x}", U256::from(u.as_slice()).low_u64(), U256::from(u.as_slice()).low_u64())
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// } else if u <= &H256::from("0xffffffffffffffffffffffffffffffffffffffff") {
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// format!("@{}", Address::from(u))
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} else {
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format!("#{}", u)
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}
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}
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#[derive(Debug,Clone,PartialEq,Eq)]
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pub struct StateDiff (BTreeMap<Address, AccountDiff>);
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impl fmt::Display for AccountDiff {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self.nonce {
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Diff::Born(ref x) => try!(write!(f, " non {}", x)),
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Diff::Changed(ref pre, ref post) => try!(write!(f, "#{} ({} {} {})", post, pre, if pre > post {"-"} else {"+"}, *max(pre, post) - * min(pre, post))),
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_ => {},
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}
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match self.balance {
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Diff::Born(ref x) => try!(write!(f, " bal {}", x)),
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Diff::Changed(ref pre, ref post) => try!(write!(f, "${} ({} {} {})", post, pre, if pre > post {"-"} else {"+"}, *max(pre, post) - *min(pre, post))),
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_ => {},
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}
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match self.code {
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Diff::Born(ref x) => try!(write!(f, " code {}", x.pretty())),
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_ => {},
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}
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try!(write!(f, "\n"));
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for (k, dv) in self.storage.iter() {
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match dv {
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&Diff::Born(ref v) => try!(write!(f, " + {} => {}\n", format(k), format(v))),
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&Diff::Changed(ref pre, ref post) => try!(write!(f, " * {} => {} (was {})\n", format(k), format(post), format(pre))),
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&Diff::Died(_) => try!(write!(f, " X {}\n", format(k))),
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_ => {},
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}
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}
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Ok(())
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}
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}
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impl fmt::Display for Existance {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self {
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&Existance::Born => try!(write!(f, "+++")),
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&Existance::Alive => try!(write!(f, "***")),
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&Existance::Died => try!(write!(f, "XXX")),
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}
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Ok(())
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}
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}
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impl fmt::Display for StateDiff {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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for (add, acc) in self.0.iter() {
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try!(write!(f, "{} {}: {}", acc.existance(), add, acc));
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}
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Ok(())
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}
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}
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pub fn pod_diff(pre: Option<&PodAccount>, post: Option<&PodAccount>) -> Option<AccountDiff> {
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match (pre, post) {
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(None, Some(x)) => Some(AccountDiff {
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balance: Diff::Born(x.balance.clone()),
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nonce: Diff::Born(x.nonce.clone()),
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code: Diff::Born(x.code.clone()),
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storage: x.storage.iter().map(|(k, v)| (k.clone(), Diff::Born(v.clone()))).collect(),
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}),
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(Some(x), None) => Some(AccountDiff {
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balance: Diff::Died(x.balance.clone()),
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nonce: Diff::Died(x.nonce.clone()),
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code: Diff::Died(x.code.clone()),
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storage: x.storage.iter().map(|(k, v)| (k.clone(), Diff::Died(v.clone()))).collect(),
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}),
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(Some(pre), Some(post)) => {
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let storage: Vec<_> = pre.storage.keys().merge(post.storage.keys())
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.filter(|k| pre.storage.get(k).unwrap_or(&H256::new()) != post.storage.get(k).unwrap_or(&H256::new()))
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.collect();
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let r = AccountDiff {
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balance: Diff::new(pre.balance.clone(), post.balance.clone()),
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nonce: Diff::new(pre.nonce.clone(), post.nonce.clone()),
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code: Diff::new(pre.code.clone(), post.code.clone()),
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storage: storage.into_iter().map(|k|
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(k.clone(), Diff::new(
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pre.storage.get(&k).cloned().unwrap_or(H256::new()),
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post.storage.get(&k).cloned().unwrap_or(H256::new())
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))).collect(),
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};
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if r.balance.is_same() && r.nonce.is_same() && r.code.is_same() && r.storage.len() == 0 {
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None
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} else {
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Some(r)
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}
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},
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_ => None,
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}
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}
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pub fn pod_state_diff(pre: &PodState, post: &PodState) -> StateDiff {
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StateDiff(pre.0.keys().merge(post.0.keys()).filter_map(|acc| pod_diff(pre.0.get(acc), post.0.get(acc)).map(|d|(acc.clone(), d))).collect())
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}
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#[test]
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fn state_diff_create_delete() {
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let a = PodState(map![
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x!(1) => PodAccount{
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balance: x!(69),
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nonce: x!(0),
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code: vec![],
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storage: map![]
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}
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]);
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assert_eq!(pod_state_diff(&a, &PodState(map![])), StateDiff(map![
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x!(1) => AccountDiff{
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balance: Diff::Died(x!(69)),
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nonce: Diff::Died(x!(0)),
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code: Diff::Died(vec![]),
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storage: map![],
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}
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]));
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assert_eq!(pod_state_diff(&PodState(map![]), &a), StateDiff(map![
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x!(1) => AccountDiff{
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balance: Diff::Born(x!(69)),
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nonce: Diff::Born(x!(0)),
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code: Diff::Born(vec![]),
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storage: map![],
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}
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]));
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}
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#[test]
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fn state_diff_cretae_delete_with_unchanged() {
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let a = PodState(map![
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x!(1) => PodAccount{
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balance: x!(69),
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nonce: x!(0),
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code: vec![],
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storage: map![]
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}
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]);
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let b = PodState(map![
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x!(1) => PodAccount{
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balance: x!(69),
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nonce: x!(0),
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code: vec![],
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storage: map![]
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},
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x!(2) => PodAccount{
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balance: x!(69),
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nonce: x!(0),
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code: vec![],
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storage: map![]
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}
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]);
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assert_eq!(pod_state_diff(&a, &b), StateDiff(map![
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x!(2) => AccountDiff{
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balance: Diff::Born(x!(69)),
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nonce: Diff::Born(x!(0)),
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code: Diff::Born(vec![]),
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storage: map![],
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}
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]));
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assert_eq!(pod_state_diff(&b, &a), StateDiff(map![
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x!(2) => AccountDiff{
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balance: Diff::Died(x!(69)),
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nonce: Diff::Died(x!(0)),
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code: Diff::Died(vec![]),
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storage: map![],
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}
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]));
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}
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#[test]
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fn state_diff_change_with_unchanged() {
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let a = PodState(map![
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x!(1) => PodAccount{
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balance: x!(69),
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nonce: x!(0),
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code: vec![],
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storage: map![]
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},
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x!(2) => PodAccount{
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balance: x!(69),
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nonce: x!(0),
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code: vec![],
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storage: map![]
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}
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]);
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let b = PodState(map![
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x!(1) => PodAccount{
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balance: x!(69),
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nonce: x!(1),
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code: vec![],
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storage: map![]
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},
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x!(2) => PodAccount{
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balance: x!(69),
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nonce: x!(0),
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code: vec![],
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storage: map![]
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}
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]);
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assert_eq!(pod_state_diff(&a, &b), StateDiff(map![
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x!(1) => AccountDiff{
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balance: Diff::Same,
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nonce: Diff::Changed(x!(0), x!(1)),
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code: Diff::Same,
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storage: map![],
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}
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]));
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}
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#[test]
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fn account_diff_existence() {
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let a = PodAccount{balance: x!(69), nonce: x!(0), code: vec![], storage: map![]};
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assert_eq!(pod_diff(Some(&a), Some(&a)), None);
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assert_eq!(pod_diff(None, Some(&a)), Some(AccountDiff{
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balance: Diff::Born(x!(69)),
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nonce: Diff::Born(x!(0)),
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code: Diff::Born(vec![]),
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storage: map![],
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}));
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}
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#[test]
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fn account_diff_basic() {
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let a = PodAccount{balance: x!(69), nonce: x!(0), code: vec![], storage: map![]};
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let b = PodAccount{balance: x!(42), nonce: x!(1), code: vec![], storage: map![]};
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assert_eq!(pod_diff(Some(&a), Some(&b)), Some(AccountDiff {
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balance: Diff::Changed(x!(69), x!(42)),
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nonce: Diff::Changed(x!(0), x!(1)),
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code: Diff::Same,
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storage: map![],
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}));
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}
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#[test]
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fn account_diff_code() {
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let a = PodAccount{balance: x!(0), nonce: x!(0), code: vec![], storage: map![]};
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let b = PodAccount{balance: x!(0), nonce: x!(1), code: vec![0], storage: map![]};
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assert_eq!(pod_diff(Some(&a), Some(&b)), Some(AccountDiff {
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balance: Diff::Same,
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nonce: Diff::Changed(x!(0), x!(1)),
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code: Diff::Changed(vec![], vec![0]),
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storage: map![],
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}));
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}
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#[test]
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fn account_diff_storage() {
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let a = PodAccount {
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balance: x!(0),
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nonce: x!(0),
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code: vec![],
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storage: mapx![1 => 1, 2 => 2, 3 => 3, 4 => 4, 5 => 0, 6 => 0, 7 => 0]
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};
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let b = PodAccount {
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balance: x!(0),
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nonce: x!(0),
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code: vec![],
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storage: mapx![1 => 1, 2 => 3, 3 => 0, 5 => 0, 7 => 7, 8 => 0, 9 => 9]
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};
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assert_eq!(pod_diff(Some(&a), Some(&b)), Some(AccountDiff {
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balance: Diff::Same,
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nonce: Diff::Same,
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code: Diff::Same,
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storage: map![
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x!(2) => Diff::new(x!(2), x!(3)),
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x!(3) => Diff::new(x!(3), x!(0)),
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x!(4) => Diff::new(x!(4), x!(0)),
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x!(7) => Diff::new(x!(0), x!(7)),
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x!(9) => Diff::new(x!(0), x!(9))
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],
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}));
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}
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#[derive(PartialEq,Eq,Clone,Copy)]
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pub enum Filth {
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Clean,
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Dirty,
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}
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use pod_account::*;
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/// Single account in the system.
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#[derive(Clone)]
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@ -409,29 +18,6 @@ pub struct Account {
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code_cache: Bytes,
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}
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impl PodAccount {
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/// Convert Account to a PodAccount.
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/// NOTE: This will silently fail unless the account is fully cached.
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pub fn from_account(acc: &Account) -> PodAccount {
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PodAccount {
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balance: acc.balance.clone(),
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nonce: acc.nonce.clone(),
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storage: acc.storage_overlay.borrow().iter().fold(BTreeMap::new(), |mut m, (k, &(_, ref v))| {m.insert(k.clone(), v.clone()); m}),
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code: acc.code_cache.clone()
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}
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}
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pub fn rlp(&self) -> Bytes {
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let mut stream = RlpStream::new_list(4);
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stream.append(&self.nonce);
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stream.append(&self.balance);
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// TODO.
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stream.append(&SHA3_NULL_RLP);
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stream.append(&self.code.sha3());
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stream.out()
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}
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}
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impl Account {
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/// General constructor.
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pub fn new(balance: U256, nonce: U256, storage: HashMap<H256, H256>, code: Bytes) -> Account {
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@ -647,98 +233,93 @@ impl fmt::Debug for Account {
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
|
||||
use super::*;
|
||||
use std::collections::HashMap;
|
||||
use util::hash::*;
|
||||
use util::bytes::*;
|
||||
use util::rlp::*;
|
||||
use util::uint::*;
|
||||
use util::overlaydb::*;
|
||||
use util::*;
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn storage_at() {
|
||||
let mut db = OverlayDB::new_temp();
|
||||
let rlp = {
|
||||
#[test]
|
||||
fn storage_at() {
|
||||
let mut db = OverlayDB::new_temp();
|
||||
let rlp = {
|
||||
let mut a = Account::new_contract(U256::from(69u8));
|
||||
a.set_storage(H256::from(&U256::from(0x00u64)), H256::from(&U256::from(0x1234u64)));
|
||||
a.commit_storage(&mut db);
|
||||
a.init_code(vec![]);
|
||||
a.commit_code(&mut db);
|
||||
a.rlp()
|
||||
};
|
||||
|
||||
let a = Account::from_rlp(&rlp);
|
||||
assert_eq!(a.storage_root().unwrap().hex(), "c57e1afb758b07f8d2c8f13a3b6e44fa5ff94ab266facc5a4fd3f062426e50b2");
|
||||
assert_eq!(a.storage_at(&mut db, &H256::from(&U256::from(0x00u64))), H256::from(&U256::from(0x1234u64)));
|
||||
assert_eq!(a.storage_at(&mut db, &H256::from(&U256::from(0x01u64))), H256::new());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn note_code() {
|
||||
let mut db = OverlayDB::new_temp();
|
||||
|
||||
let rlp = {
|
||||
let mut a = Account::new_contract(U256::from(69u8));
|
||||
a.init_code(vec![0x55, 0x44, 0xffu8]);
|
||||
a.commit_code(&mut db);
|
||||
a.rlp()
|
||||
};
|
||||
|
||||
let mut a = Account::from_rlp(&rlp);
|
||||
assert_eq!(a.cache_code(&db), true);
|
||||
|
||||
let mut a = Account::from_rlp(&rlp);
|
||||
assert_eq!(a.note_code(vec![0x55, 0x44, 0xffu8]), Ok(()));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn commit_storage() {
|
||||
let mut a = Account::new_contract(U256::from(69u8));
|
||||
let mut db = OverlayDB::new_temp();
|
||||
a.set_storage(H256::from(&U256::from(0x00u64)), H256::from(&U256::from(0x1234u64)));
|
||||
assert_eq!(a.storage_root(), None);
|
||||
a.commit_storage(&mut db);
|
||||
a.init_code(vec![]);
|
||||
a.commit_code(&mut db);
|
||||
a.rlp()
|
||||
};
|
||||
assert_eq!(a.storage_root().unwrap().hex(), "c57e1afb758b07f8d2c8f13a3b6e44fa5ff94ab266facc5a4fd3f062426e50b2");
|
||||
}
|
||||
|
||||
let a = Account::from_rlp(&rlp);
|
||||
assert_eq!(a.storage_root().unwrap().hex(), "c57e1afb758b07f8d2c8f13a3b6e44fa5ff94ab266facc5a4fd3f062426e50b2");
|
||||
assert_eq!(a.storage_at(&mut db, &H256::from(&U256::from(0x00u64))), H256::from(&U256::from(0x1234u64)));
|
||||
assert_eq!(a.storage_at(&mut db, &H256::from(&U256::from(0x01u64))), H256::new());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn note_code() {
|
||||
let mut db = OverlayDB::new_temp();
|
||||
|
||||
let rlp = {
|
||||
#[test]
|
||||
fn commit_code() {
|
||||
let mut a = Account::new_contract(U256::from(69u8));
|
||||
let mut db = OverlayDB::new_temp();
|
||||
a.init_code(vec![0x55, 0x44, 0xffu8]);
|
||||
assert_eq!(a.code_hash(), SHA3_EMPTY);
|
||||
a.commit_code(&mut db);
|
||||
a.rlp()
|
||||
};
|
||||
assert_eq!(a.code_hash().hex(), "af231e631776a517ca23125370d542873eca1fb4d613ed9b5d5335a46ae5b7eb");
|
||||
}
|
||||
|
||||
let mut a = Account::from_rlp(&rlp);
|
||||
assert_eq!(a.cache_code(&db), true);
|
||||
#[test]
|
||||
fn rlpio() {
|
||||
let a = Account::new(U256::from(69u8), U256::from(0u8), HashMap::new(), Bytes::new());
|
||||
let b = Account::from_rlp(&a.rlp());
|
||||
assert_eq!(a.balance(), b.balance());
|
||||
assert_eq!(a.nonce(), b.nonce());
|
||||
assert_eq!(a.code_hash(), b.code_hash());
|
||||
assert_eq!(a.storage_root(), b.storage_root());
|
||||
}
|
||||
|
||||
let mut a = Account::from_rlp(&rlp);
|
||||
assert_eq!(a.note_code(vec![0x55, 0x44, 0xffu8]), Ok(()));
|
||||
}
|
||||
#[test]
|
||||
fn new_account() {
|
||||
use rustc_serialize::hex::ToHex;
|
||||
|
||||
#[test]
|
||||
fn commit_storage() {
|
||||
let mut a = Account::new_contract(U256::from(69u8));
|
||||
let mut db = OverlayDB::new_temp();
|
||||
a.set_storage(H256::from(&U256::from(0x00u64)), H256::from(&U256::from(0x1234u64)));
|
||||
assert_eq!(a.storage_root(), None);
|
||||
a.commit_storage(&mut db);
|
||||
assert_eq!(a.storage_root().unwrap().hex(), "c57e1afb758b07f8d2c8f13a3b6e44fa5ff94ab266facc5a4fd3f062426e50b2");
|
||||
}
|
||||
let a = Account::new(U256::from(69u8), U256::from(0u8), HashMap::new(), Bytes::new());
|
||||
assert_eq!(a.rlp().to_hex(), "f8448045a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a0c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
|
||||
assert_eq!(a.balance(), &U256::from(69u8));
|
||||
assert_eq!(a.nonce(), &U256::from(0u8));
|
||||
assert_eq!(a.code_hash(), SHA3_EMPTY);
|
||||
assert_eq!(a.storage_root().unwrap(), &SHA3_NULL_RLP);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn commit_code() {
|
||||
let mut a = Account::new_contract(U256::from(69u8));
|
||||
let mut db = OverlayDB::new_temp();
|
||||
a.init_code(vec![0x55, 0x44, 0xffu8]);
|
||||
assert_eq!(a.code_hash(), SHA3_EMPTY);
|
||||
a.commit_code(&mut db);
|
||||
assert_eq!(a.code_hash().hex(), "af231e631776a517ca23125370d542873eca1fb4d613ed9b5d5335a46ae5b7eb");
|
||||
}
|
||||
#[test]
|
||||
fn create_account() {
|
||||
use rustc_serialize::hex::ToHex;
|
||||
|
||||
#[test]
|
||||
fn rlpio() {
|
||||
let a = Account::new(U256::from(69u8), U256::from(0u8), HashMap::new(), Bytes::new());
|
||||
let b = Account::from_rlp(&a.rlp());
|
||||
assert_eq!(a.balance(), b.balance());
|
||||
assert_eq!(a.nonce(), b.nonce());
|
||||
assert_eq!(a.code_hash(), b.code_hash());
|
||||
assert_eq!(a.storage_root(), b.storage_root());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn new_account() {
|
||||
use rustc_serialize::hex::ToHex;
|
||||
|
||||
let a = Account::new(U256::from(69u8), U256::from(0u8), HashMap::new(), Bytes::new());
|
||||
assert_eq!(a.rlp().to_hex(), "f8448045a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a0c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
|
||||
assert_eq!(a.balance(), &U256::from(69u8));
|
||||
assert_eq!(a.nonce(), &U256::from(0u8));
|
||||
assert_eq!(a.code_hash(), SHA3_EMPTY);
|
||||
assert_eq!(a.storage_root().unwrap(), &SHA3_NULL_RLP);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn create_account() {
|
||||
use rustc_serialize::hex::ToHex;
|
||||
|
||||
let a = Account::new(U256::from(69u8), U256::from(0u8), HashMap::new(), Bytes::new());
|
||||
assert_eq!(a.rlp().to_hex(), "f8448045a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a0c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
|
||||
}
|
||||
let a = Account::new(U256::from(69u8), U256::from(0u8), HashMap::new(), Bytes::new());
|
||||
assert_eq!(a.rlp().to_hex(), "f8448045a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a0c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
|
||||
}
|
||||
|
||||
}
|
||||
121
src/account_diff.rs
Normal file
121
src/account_diff.rs
Normal file
@ -0,0 +1,121 @@
|
||||
use util::*;
|
||||
use pod_account::*;
|
||||
|
||||
#[derive(Debug,Clone,PartialEq,Eq)]
|
||||
/// Change in existance type.
|
||||
// TODO: include other types of change.
|
||||
pub enum Existance {
|
||||
Born,
|
||||
Alive,
|
||||
Died,
|
||||
}
|
||||
|
||||
impl fmt::Display for Existance {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
match self {
|
||||
&Existance::Born => try!(write!(f, "+++")),
|
||||
&Existance::Alive => try!(write!(f, "***")),
|
||||
&Existance::Died => try!(write!(f, "XXX")),
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug,Clone,PartialEq,Eq)]
|
||||
pub struct AccountDiff {
|
||||
pub balance: Diff<U256>, // Allowed to be Same
|
||||
pub nonce: Diff<U256>, // Allowed to be Same
|
||||
pub code: Diff<Bytes>, // Allowed to be Same
|
||||
pub storage: BTreeMap<H256, Diff<H256>>,// Not allowed to be Same
|
||||
}
|
||||
|
||||
impl AccountDiff {
|
||||
pub fn existance(&self) -> Existance {
|
||||
match self.balance {
|
||||
Diff::Born(_) => Existance::Born,
|
||||
Diff::Died(_) => Existance::Died,
|
||||
_ => Existance::Alive,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn diff_pod(pre: Option<&PodAccount>, post: Option<&PodAccount>) -> Option<AccountDiff> {
|
||||
match (pre, post) {
|
||||
(None, Some(x)) => Some(AccountDiff {
|
||||
balance: Diff::Born(x.balance.clone()),
|
||||
nonce: Diff::Born(x.nonce.clone()),
|
||||
code: Diff::Born(x.code.clone()),
|
||||
storage: x.storage.iter().map(|(k, v)| (k.clone(), Diff::Born(v.clone()))).collect(),
|
||||
}),
|
||||
(Some(x), None) => Some(AccountDiff {
|
||||
balance: Diff::Died(x.balance.clone()),
|
||||
nonce: Diff::Died(x.nonce.clone()),
|
||||
code: Diff::Died(x.code.clone()),
|
||||
storage: x.storage.iter().map(|(k, v)| (k.clone(), Diff::Died(v.clone()))).collect(),
|
||||
}),
|
||||
(Some(pre), Some(post)) => {
|
||||
let storage: Vec<_> = pre.storage.keys().merge(post.storage.keys())
|
||||
.filter(|k| pre.storage.get(k).unwrap_or(&H256::new()) != post.storage.get(k).unwrap_or(&H256::new()))
|
||||
.collect();
|
||||
let r = AccountDiff {
|
||||
balance: Diff::new(pre.balance.clone(), post.balance.clone()),
|
||||
nonce: Diff::new(pre.nonce.clone(), post.nonce.clone()),
|
||||
code: Diff::new(pre.code.clone(), post.code.clone()),
|
||||
storage: storage.into_iter().map(|k|
|
||||
(k.clone(), Diff::new(
|
||||
pre.storage.get(&k).cloned().unwrap_or(H256::new()),
|
||||
post.storage.get(&k).cloned().unwrap_or(H256::new())
|
||||
))).collect(),
|
||||
};
|
||||
if r.balance.is_same() && r.nonce.is_same() && r.code.is_same() && r.storage.len() == 0 {
|
||||
None
|
||||
} else {
|
||||
Some(r)
|
||||
}
|
||||
},
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// TODO: refactor into something nicer.
|
||||
fn interpreted_hash(u: &H256) -> String {
|
||||
if u <= &H256::from(0xffffffff) {
|
||||
format!("{} = 0x{:x}", U256::from(u.as_slice()).low_u32(), U256::from(u.as_slice()).low_u32())
|
||||
} else if u <= &H256::from(u64::max_value()) {
|
||||
format!("{} = 0x{:x}", U256::from(u.as_slice()).low_u64(), U256::from(u.as_slice()).low_u64())
|
||||
// } else if u <= &H256::from("0xffffffffffffffffffffffffffffffffffffffff") {
|
||||
// format!("@{}", Address::from(u))
|
||||
} else {
|
||||
format!("#{}", u)
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for AccountDiff {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
match self.nonce {
|
||||
Diff::Born(ref x) => try!(write!(f, " non {}", x)),
|
||||
Diff::Changed(ref pre, ref post) => try!(write!(f, "#{} ({} {} {})", post, pre, if pre > post {"-"} else {"+"}, *max(pre, post) - * min(pre, post))),
|
||||
_ => {},
|
||||
}
|
||||
match self.balance {
|
||||
Diff::Born(ref x) => try!(write!(f, " bal {}", x)),
|
||||
Diff::Changed(ref pre, ref post) => try!(write!(f, "${} ({} {} {})", post, pre, if pre > post {"-"} else {"+"}, *max(pre, post) - *min(pre, post))),
|
||||
_ => {},
|
||||
}
|
||||
match self.code {
|
||||
Diff::Born(ref x) => try!(write!(f, " code {}", x.pretty())),
|
||||
_ => {},
|
||||
}
|
||||
try!(write!(f, "\n"));
|
||||
for (k, dv) in self.storage.iter() {
|
||||
match dv {
|
||||
&Diff::Born(ref v) => try!(write!(f, " + {} => {}\n", interpreted_hash(k), interpreted_hash(v))),
|
||||
&Diff::Changed(ref pre, ref post) => try!(write!(f, " * {} => {} (was {})\n", interpreted_hash(k), interpreted_hash(post), interpreted_hash(pre))),
|
||||
&Diff::Died(_) => try!(write!(f, " X {}\n", interpreted_hash(k))),
|
||||
_ => {},
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
15
src/lib.rs
15
src/lib.rs
@ -73,18 +73,19 @@
|
||||
//! sudo ldconfig
|
||||
//! ```
|
||||
|
||||
#[macro_use] extern crate log;
|
||||
#[macro_use]
|
||||
extern crate log;
|
||||
extern crate rustc_serialize;
|
||||
#[macro_use] extern crate itertools;
|
||||
extern crate flate2;
|
||||
extern crate rocksdb;
|
||||
extern crate heapsize;
|
||||
extern crate crypto;
|
||||
extern crate time;
|
||||
extern crate env_logger;
|
||||
#[cfg(feature = "jit" )] extern crate evmjit;
|
||||
|
||||
#[macro_use] extern crate ethcore_util as util;
|
||||
#[cfg(feature = "jit" )]
|
||||
extern crate evmjit;
|
||||
#[macro_use]
|
||||
extern crate ethcore_util as util;
|
||||
|
||||
pub mod common;
|
||||
pub mod basic_types;
|
||||
@ -92,6 +93,10 @@ pub mod executive;
|
||||
pub mod error;
|
||||
pub mod log_entry;
|
||||
pub mod env_info;
|
||||
pub mod pod_account;
|
||||
pub mod pod_state;
|
||||
pub mod account_diff;
|
||||
pub mod state_diff;
|
||||
pub mod engine;
|
||||
pub mod state;
|
||||
pub mod account;
|
||||
|
||||
116
src/pod_account.rs
Normal file
116
src/pod_account.rs
Normal file
@ -0,0 +1,116 @@
|
||||
use util::*;
|
||||
use account::*;
|
||||
|
||||
#[derive(Debug,Clone,PartialEq,Eq)]
|
||||
/// Genesis account data. Does not have a DB overlay cache.
|
||||
pub struct PodAccount {
|
||||
pub balance: U256,
|
||||
pub nonce: U256,
|
||||
pub code: Bytes,
|
||||
pub storage: BTreeMap<H256, H256>,
|
||||
}
|
||||
|
||||
impl PodAccount {
|
||||
/// Construct new object.
|
||||
pub fn new(balance: U256, nonce: U256, code: Bytes, storage: BTreeMap<H256, H256>) -> PodAccount {
|
||||
PodAccount { balance: balance, nonce: nonce, code: code, storage: storage }
|
||||
}
|
||||
|
||||
/// Convert Account to a PodAccount.
|
||||
/// NOTE: This will silently fail unless the account is fully cached.
|
||||
pub fn from_account(acc: &Account) -> PodAccount {
|
||||
PodAccount {
|
||||
balance: acc.balance().clone(),
|
||||
nonce: acc.nonce().clone(),
|
||||
storage: acc.storage_overlay().iter().fold(BTreeMap::new(), |mut m, (k, &(_, ref v))| {m.insert(k.clone(), v.clone()); m}),
|
||||
code: acc.code().unwrap().to_vec(),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn rlp(&self) -> Bytes {
|
||||
let mut stream = RlpStream::new_list(4);
|
||||
stream.append(&self.nonce);
|
||||
stream.append(&self.balance);
|
||||
// TODO.
|
||||
stream.append(&SHA3_NULL_RLP);
|
||||
stream.append(&self.code.sha3());
|
||||
stream.out()
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for PodAccount {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
write!(f, "(bal={}; nonce={}; code={} bytes, #{}; storage={} items)", self.balance, self.nonce, self.code.len(), self.code.sha3(), self.storage.len())
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod test {
|
||||
use common::*;
|
||||
use super::*;
|
||||
use account_diff::*;
|
||||
|
||||
#[test]
|
||||
fn existence() {
|
||||
let a = PodAccount{balance: x!(69), nonce: x!(0), code: vec![], storage: map![]};
|
||||
assert_eq!(AccountDiff::diff_pod(Some(&a), Some(&a)), None);
|
||||
assert_eq!(AccountDiff::diff_pod(None, Some(&a)), Some(AccountDiff{
|
||||
balance: Diff::Born(x!(69)),
|
||||
nonce: Diff::Born(x!(0)),
|
||||
code: Diff::Born(vec![]),
|
||||
storage: map![],
|
||||
}));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn basic() {
|
||||
let a = PodAccount{balance: x!(69), nonce: x!(0), code: vec![], storage: map![]};
|
||||
let b = PodAccount{balance: x!(42), nonce: x!(1), code: vec![], storage: map![]};
|
||||
assert_eq!(AccountDiff::diff_pod(Some(&a), Some(&b)), Some(AccountDiff {
|
||||
balance: Diff::Changed(x!(69), x!(42)),
|
||||
nonce: Diff::Changed(x!(0), x!(1)),
|
||||
code: Diff::Same,
|
||||
storage: map![],
|
||||
}));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn code() {
|
||||
let a = PodAccount{balance: x!(0), nonce: x!(0), code: vec![], storage: map![]};
|
||||
let b = PodAccount{balance: x!(0), nonce: x!(1), code: vec![0], storage: map![]};
|
||||
assert_eq!(AccountDiff::diff_pod(Some(&a), Some(&b)), Some(AccountDiff {
|
||||
balance: Diff::Same,
|
||||
nonce: Diff::Changed(x!(0), x!(1)),
|
||||
code: Diff::Changed(vec![], vec![0]),
|
||||
storage: map![],
|
||||
}));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn storage() {
|
||||
let a = PodAccount {
|
||||
balance: x!(0),
|
||||
nonce: x!(0),
|
||||
code: vec![],
|
||||
storage: mapx![1 => 1, 2 => 2, 3 => 3, 4 => 4, 5 => 0, 6 => 0, 7 => 0]
|
||||
};
|
||||
let b = PodAccount {
|
||||
balance: x!(0),
|
||||
nonce: x!(0),
|
||||
code: vec![],
|
||||
storage: mapx![1 => 1, 2 => 3, 3 => 0, 5 => 0, 7 => 7, 8 => 0, 9 => 9]
|
||||
};
|
||||
assert_eq!(AccountDiff::diff_pod(Some(&a), Some(&b)), Some(AccountDiff {
|
||||
balance: Diff::Same,
|
||||
nonce: Diff::Same,
|
||||
code: Diff::Same,
|
||||
storage: map![
|
||||
x!(2) => Diff::new(x!(2), x!(3)),
|
||||
x!(3) => Diff::new(x!(3), x!(0)),
|
||||
x!(4) => Diff::new(x!(4), x!(0)),
|
||||
x!(7) => Diff::new(x!(0), x!(7)),
|
||||
x!(9) => Diff::new(x!(0), x!(9))
|
||||
],
|
||||
}));
|
||||
}
|
||||
}
|
||||
44
src/pod_state.rs
Normal file
44
src/pod_state.rs
Normal file
@ -0,0 +1,44 @@
|
||||
use util::*;
|
||||
use pod_account::*;
|
||||
|
||||
#[derive(Debug,Clone,PartialEq,Eq)]
|
||||
pub struct PodState (BTreeMap<Address, PodAccount>);
|
||||
|
||||
impl PodState {
|
||||
/// Contruct a new object from the `m`.
|
||||
pub fn new(m: BTreeMap<Address, PodAccount>) -> PodState { PodState(m) }
|
||||
|
||||
/// Translate the JSON object into a hash map of account information ready for insertion into State.
|
||||
pub fn from_json(json: &Json) -> PodState {
|
||||
PodState(json.as_object().unwrap().iter().fold(BTreeMap::new(), |mut state, (address, acc)| {
|
||||
let balance = acc.find("balance").map(&u256_from_json);
|
||||
let nonce = acc.find("nonce").map(&u256_from_json);
|
||||
let storage = acc.find("storage").map(&map_h256_h256_from_json);;
|
||||
let code = acc.find("code").map(&bytes_from_json);
|
||||
if balance.is_some() || nonce.is_some() || storage.is_some() || code.is_some() {
|
||||
state.insert(address_from_hex(address), PodAccount{
|
||||
balance: balance.unwrap_or(U256::zero()),
|
||||
nonce: nonce.unwrap_or(U256::zero()),
|
||||
storage: storage.unwrap_or(BTreeMap::new()),
|
||||
code: code.unwrap_or(Vec::new())
|
||||
});
|
||||
}
|
||||
state
|
||||
}))
|
||||
}
|
||||
|
||||
/// Get the underlying map.
|
||||
pub fn get(&self) -> &BTreeMap<Address, PodAccount> { &self.0 }
|
||||
|
||||
/// Drain object to get the underlying map.
|
||||
pub fn drain(self) -> BTreeMap<Address, PodAccount> { self.0 }
|
||||
}
|
||||
|
||||
impl fmt::Display for PodState {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
for (add, acc) in &self.0 {
|
||||
try!(writeln!(f, "{} => {}", add, acc));
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
@ -1,6 +1,8 @@
|
||||
use common::*;
|
||||
use engine::Engine;
|
||||
use executive::Executive;
|
||||
use pod_account::*;
|
||||
use pod_state::*;
|
||||
|
||||
pub type ApplyResult = Result<Receipt, Error>;
|
||||
|
||||
@ -201,7 +203,7 @@ impl State {
|
||||
/// Populate a PodAccount map from this state.
|
||||
pub fn to_pod(&self) -> PodState {
|
||||
// TODO: handle database rather than just the cache.
|
||||
PodState::from(self.cache.borrow().iter().fold(BTreeMap::new(), |mut m, (add, opt)| {
|
||||
PodState::new(self.cache.borrow().iter().fold(BTreeMap::new(), |mut m, (add, opt)| {
|
||||
if let &Some(ref acc) = opt {
|
||||
m.insert(add.clone(), PodAccount::from_account(acc));
|
||||
}
|
||||
|
||||
98
src/state_diff.rs
Normal file
98
src/state_diff.rs
Normal file
@ -0,0 +1,98 @@
|
||||
use util::*;
|
||||
use pod_state::*;
|
||||
use account_diff::*;
|
||||
|
||||
#[derive(Debug,Clone,PartialEq,Eq)]
|
||||
pub struct StateDiff (BTreeMap<Address, AccountDiff>);
|
||||
|
||||
impl StateDiff {
|
||||
/// Calculate and return diff between `pre` state and `post` state.
|
||||
pub fn diff_pod(pre: &PodState, post: &PodState) -> StateDiff {
|
||||
StateDiff(pre.get().keys().merge(post.get().keys()).filter_map(|acc| AccountDiff::diff_pod(pre.get().get(acc), post.get().get(acc)).map(|d|(acc.clone(), d))).collect())
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for StateDiff {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
for (add, acc) in self.0.iter() {
|
||||
try!(write!(f, "{} {}: {}", acc.existance(), add, acc));
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod test {
|
||||
use common::*;
|
||||
use pod_state::*;
|
||||
use account_diff::*;
|
||||
use pod_account::*;
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn create_delete() {
|
||||
let a = PodState::new(map![ x!(1) => PodAccount::new(x!(69), x!(0), vec![], map![]) ]);
|
||||
assert_eq!(StateDiff::diff_pod(&a, &PodState::new(map![])), StateDiff(map![
|
||||
x!(1) => AccountDiff{
|
||||
balance: Diff::Died(x!(69)),
|
||||
nonce: Diff::Died(x!(0)),
|
||||
code: Diff::Died(vec![]),
|
||||
storage: map![],
|
||||
}
|
||||
]));
|
||||
assert_eq!(StateDiff::diff_pod(&PodState::new(map![]), &a), StateDiff(map![
|
||||
x!(1) => AccountDiff{
|
||||
balance: Diff::Born(x!(69)),
|
||||
nonce: Diff::Born(x!(0)),
|
||||
code: Diff::Born(vec![]),
|
||||
storage: map![],
|
||||
}
|
||||
]));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn create_delete_with_unchanged() {
|
||||
let a = PodState::new(map![ x!(1) => PodAccount::new(x!(69), x!(0), vec![], map![]) ]);
|
||||
let b = PodState::new(map![
|
||||
x!(1) => PodAccount::new(x!(69), x!(0), vec![], map![]),
|
||||
x!(2) => PodAccount::new(x!(69), x!(0), vec![], map![])
|
||||
]);
|
||||
assert_eq!(StateDiff::diff_pod(&a, &b), StateDiff(map![
|
||||
x!(2) => AccountDiff{
|
||||
balance: Diff::Born(x!(69)),
|
||||
nonce: Diff::Born(x!(0)),
|
||||
code: Diff::Born(vec![]),
|
||||
storage: map![],
|
||||
}
|
||||
]));
|
||||
assert_eq!(StateDiff::diff_pod(&b, &a), StateDiff(map![
|
||||
x!(2) => AccountDiff{
|
||||
balance: Diff::Died(x!(69)),
|
||||
nonce: Diff::Died(x!(0)),
|
||||
code: Diff::Died(vec![]),
|
||||
storage: map![],
|
||||
}
|
||||
]));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn change_with_unchanged() {
|
||||
let a = PodState::new(map![
|
||||
x!(1) => PodAccount::new(x!(69), x!(0), vec![], map![]),
|
||||
x!(2) => PodAccount::new(x!(69), x!(0), vec![], map![])
|
||||
]);
|
||||
let b = PodState::new(map![
|
||||
x!(1) => PodAccount::new(x!(69), x!(1), vec![], map![]),
|
||||
x!(2) => PodAccount::new(x!(69), x!(0), vec![], map![])
|
||||
]);
|
||||
assert_eq!(StateDiff::diff_pod(&a, &b), StateDiff(map![
|
||||
x!(1) => AccountDiff{
|
||||
balance: Diff::Same,
|
||||
nonce: Diff::Changed(x!(0), x!(1)),
|
||||
code: Diff::Same,
|
||||
storage: map![],
|
||||
}
|
||||
]));
|
||||
}
|
||||
|
||||
}
|
||||
@ -1,6 +1,7 @@
|
||||
use super::test_common::*;
|
||||
use state::*;
|
||||
use executive::*;
|
||||
use pod_state::*;
|
||||
use state_diff::*;
|
||||
use ethereum;
|
||||
|
||||
fn do_json_test(json_data: &[u8]) -> Vec<String> {
|
||||
@ -40,7 +41,7 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
|
||||
let our_post = s.to_pod();
|
||||
println!("Got:\n{}", our_post);
|
||||
println!("Expect:\n{}", post);
|
||||
println!("Diff ---expect -> +++got:\n{}", pod_state_diff(&post, &our_post));
|
||||
println!("Diff ---expect -> +++got:\n{}", StateDiff::diff_pod(&post, &our_post));
|
||||
}
|
||||
|
||||
if fail_unless(logs == r.logs) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user