Module gas_metering

This module is used to instrument a Wasm module with gas metering code.

The primary public interface is the inject function which transforms a given module into one that charges gas for code to be executed. See function documentation for usage and details.

Structs

• ConstantCostRules
  A type that implements Rules so that every instruction costs the same.

Enums

• MemoryGrowCost
  Dynamic costs for memory growth.

Traits

• Rules
  An interface that describes instruction costs.

Functions

• inject
  Transforms a given module into one that charges gas for code to be executed by proxy of an imported gas metering function.
• post_injection_handler
  Helper procedure that makes adjustments after gas metering function injected.