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EIP-168, 169: Dust protection (#4757)

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* Dust protection

* Track touched accounts in the substate

* Minor alterations
This commit is contained in:
Arkadiy Paronyan
2017-06-28 09:10:57 +02:00
committed by GitHub
parent 6b16fe3f14
commit 57626b60e7
25 changed files with 270 additions and 85 deletions
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4
ethcore/src/externalities.rs
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@@ -17,7 +17,7 @@
//! Transaction Execution environment.
use util::*;
use action_params::{ActionParams, ActionValue};
use state::{Backend as StateBackend, State, Substate};
use state::{Backend as StateBackend, State, Substate, CleanupMode};
use engines::Engine;
use env_info::EnvInfo;
use executive::*;
@@ -347,7 +347,7 @@ impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Ext for Externalities<'a, T, V, B, E>
let balance = self.balance(&address)?;
if &address == refund_address {
// TODO [todr] To be consistent with CPP client we set balance to 0 in that case.
self.state.sub_balance(&address, &balance)?;
self.state.sub_balance(&address, &balance, &mut CleanupMode::NoEmpty)?;
} else {
trace!(target: "ext", "Suiciding {} -> {} (xfer: {})", address, refund_address, balance);
self.state.transfer_balance(