47 lines
1.5 KiB
Rust
47 lines
1.5 KiB
Rust
use util::*;
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use pod_account::*;
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#[derive(Debug,Clone,PartialEq,Eq)]
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pub struct PodState (BTreeMap<Address, PodAccount>);
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impl PodState {
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/// Contruct a new object from the `m`.
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pub fn new(m: BTreeMap<Address, PodAccount>) -> PodState { PodState(m) }
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/// Get the underlying map.
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pub fn get(&self) -> &BTreeMap<Address, PodAccount> { &self.0 }
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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 FromJson for PodState {
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/// Translate the JSON object into a hash map of account information ready for insertion into State.
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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(&BTreeMap::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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}
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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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