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Update Predicate Verification #492

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Update Predicate Verification #492

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1fec740
Update predicate verificaiton.md
SilentCicero Jun 6, 2023
d8cb90a
Update index.md
SilentCicero Jun 6, 2023
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2 changes: 1 addition & 1 deletion src/vm/index.md
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Expand Up @@ -134,7 +134,7 @@ For each such input in the transaction, the VM is [initialized](#vm-initializati

Predicate verification will fail if gas is exhausted during execution.

During predicate mode, hitting any [contract instruction](./instruction_set.md#contract-instructions) causes predicate verification to halt, returning Boolean `false`.
During predicate mode, hitting any [contract instruction](./instruction_set.md#contract-instructions) except for `LDC`, `CROO`, `CSIZ` and `CCP` causes predicate verification to halt, returning Boolean `false`.

In addition, during predicate mode if `$pc` is set to a value greater than the end of predicate bytecode (this would allow bytecode outside the actual predicate), predicate verification halts returning Boolean `false`.

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