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@izqui
izqui / forwarder.sol
Last active October 21, 2021 04:24
Very cheap to deploy (66k gas) forwarder contracts that can clone any contract and still have their own storage
// Bytecode origin https://www.reddit.com/r/ethereum/comments/6ic49q/any_assembly_programmers_willing_to_write_a/dj5ceuw/
// Modified version of Vitalik's https://www.reddit.com/r/ethereum/comments/6c1jui/delegatecall_forwarders_how_to_save_5098_on/
// Credits to Jordi Baylina for this way of deploying contracts https://gist.github.com/jbaylina/e8ac19b8e7478fd10cf0363ad1a5a4b3
// Forwarder is slightly modified to only return 256 bytes (8 normal returns)
// Deployed Factory in Kovan: https://kovan.etherscan.io/address/0xaebc118657099e2110c90494f48b3d21329b23eb
// Example of a Forwarder deploy using the Factory: https://kovan.etherscan.io/tx/0xe995dd023c8336685cb819313d933ae8938009f9c8c0e1af6c57b8be06986957
// Just 66349 gas per contract
@zcaceres
zcaceres / Compilers and Parsing.md
Last active May 26, 2022 08:17
Compilers: Notes from CS-Saturday March 4, 2017

Compilers and Parsing

Your program is also a piece of data!

How Humans Read

We learn through practice and exposure. We don't study grammar till much later in life. We break down a sentence into a sequence of words.

  1. Lexing (to tokens)
  2. Parsing (grammar)
  3. Semantic Analysis