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Merge pull request #1014 from toposware/bootstrap_constraint

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Constrain memory channels at end of bootstrapping
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Daniel Lubarov 2023-05-01 20:27:41 -07:00 committed by GitHub
commit 40515dc66a
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1 changed files with 9 additions and 2 deletions
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11
evm/src/cpu/bootstrap_kernel.rs
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@ -85,8 +85,11 @@ pub(crate) fn eval_bootstrap_kernel<F: Field, P: PackedField<Scalar = F>>(
}
// If this is the final bootstrap row (i.e. delta_is_bootstrap = 1), check that
// - all memory channels are disabled (TODO)
// - all memory channels are disabled
// - the current kernel hash matches a precomputed one
for channel in local_values.mem_channels.iter() {
yield_constr.constraint_transition(delta_is_bootstrap * channel.used);
}
for (&expected, actual) in KERNEL
.code_hash
.iter()
@ -141,8 +144,12 @@ pub(crate) fn eval_bootstrap_kernel_circuit<F: RichField + Extendable<D>, const
}
// If this is the final bootstrap row (i.e. delta_is_bootstrap = 1), check that
// - all memory channels are disabled (TODO)
// - all memory channels are disabled
// - the current kernel hash matches a precomputed one
for channel in local_values.mem_channels.iter() {
let constraint = builder.mul_extension(delta_is_bootstrap, channel.used);
yield_constr.constraint_transition(builder, constraint);
}
for (&expected, actual) in KERNEL
.code_hash
.iter()