@eth-optimism/ethereumjs-vm
Advanced tools
Implements Optimism's OVM in Javascript. Forked with <3 from ethereumjs-vm!
This fork provides some custom logging tools for introspecting the OVM via the debug package. Particularly, the environment variable DEBUG='ethjs-ovm:interpreter will allow you to log various degrees of internal EVM execution such as calls, stack, and memory.
You must also add DEBUG_OVM=true to enable debugging.
The logging namespace includes the start and ending bytes of the address and the call depth (e.g. js-ovm:intrp:0xdeadde..ad0005:d5)
Available namespaces are:
DEBUG='*'DEBUG='*:calls (recommended to run first)DEBUG='*:calls:steps (recommended to run filtered by address, e.g. DEBUG='*:calls,js-ovm:intrp:0xdeadde..ad0005:d2:calls:steps')DEBUG=*:calls:memory (recommended to run filtered by address, see above)Or mix and match any of the above to get your desired logging level.
FAQs
An Ethereum VM implementation
We found that @eth-optimism/ethereumjs-vm demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 6 open source maintainers collaborating on the project.
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