grassrootseconomics/openethereum
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fix error handling

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This commit is contained in:
NikVolf 2017-03-27 18:17:49 +03:00
parent 34fb39da5b
commit c313857485
1 changed files with 21 additions and 15 deletions
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8
ethcore/src/executive.rs
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@ -276,7 +276,12 @@ impl<'a, B: 'a + StateBackend> Executive<'a, B> {
let cost = builtin.cost(data);
if cost <= params.gas {
builtin.execute(data, &mut output)?;
if let Err(e) = builtin.execute(data, &mut output) {
self.state.revert_to_checkpoint();
let evm_err: evm::evm::Error = e.into();
tracer.trace_failed_call(trace_info, vec![], evm_err.clone().into());
Err(evm_err)
} else {
self.state.discard_checkpoint();
// trace only top level calls to builtins to avoid DDoS attacks
@ -295,6 +300,7 @@ impl<'a, B: 'a + StateBackend> Executive<'a, B> {
}
Ok(params.gas - cost)
}
} else {
// just drain the whole gas
self.state.revert_to_checkpoint();