A place for talking about the Ethereum Virtual Machine on Farcaster.

announcing the rippler, a fast as fuck multicaller.

the rippler uses a custom encoding scheme, packing calls in reverse order and prefixing the calldata with a 2 byte jump target indicating the number of calls to make.

0/3

announcing the rippler, a fast as fuck multicaller.

the rippler uses a custom encoding scheme, packing calls in reverse order and prefixing the calldata with a 2 byte jump target indicating the number of calls to make.

0/3

https://github.com/jtriley-eth/the-rippler

Fast as fuck sounds so much better than cheap as fuck :)

Pragmatism (Security) at OP Labs.
Prev: ConsenSys & Coinbase.

Attribs: Friendly, curious, introverted, mid-witted.
Chans: /eth-security /maurelian /stoicism




Wow, I don’t read huff too good, but there’s almost no source code there. 🤌

removal of the loop cleans it up a lot, just 16 calls delimited by jump labels :)

Generality turns out to be an expensive luxury.

@jtriley what’s the benefit of starting from the end of the list?

bc you have to know when to terminate without a jumpi, so you jump to wherever you start and decrement until the last call frame

there are ways to get around this without reverse encoding but it incurs cost at runtime and in calldatasize