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Fix jump_to #453

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merged 2 commits into from
Jul 29, 2024
Merged

Fix jump_to #453

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1a7e9da
Fix jump_to
LindaGuiga Jul 29, 2024
c9c12a8
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LindaGuiga Jul 29, 2024
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11 changes: 7 additions & 4 deletions evm_arithmetization/src/generation/state.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -350,13 +350,16 @@ impl<F: Field> GenerationState<F> {
/// we're jumping to a special location.
pub(crate) fn jump_to(&mut self, dst: usize) -> Result<(), ProgramError> {
self.registers.program_counter = dst;
if dst == KERNEL.global_labels["observe_new_address"] {
let tip_u256 = stack_peek(self, 0)?;
if dst == KERNEL.global_labels["observe_new_address"] && self.get_registers().stack_len > 0
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{
let tip_u256 = stack_peek(self, 0).expect("There cannot be a stack underflow");
let tip_h256 = H256::from_uint(&tip_u256);
let tip_h160 = H160::from(tip_h256);
self.observe_address(tip_h160);
} else if dst == KERNEL.global_labels["observe_new_contract"] {
let tip_u256 = stack_peek(self, 0)?;
} else if dst == KERNEL.global_labels["observe_new_contract"]
&& self.get_registers().stack_len > 0
{
let tip_u256 = stack_peek(self, 0).expect("There cannot be a stack underflow");
let tip_h256 = H256::from_uint(&tip_u256);
self.observe_contract(tip_h256)?;
}
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