watcher-ts/packages/solidity-mapper

solidity-mapper

Get value of state variable from storage for a solidity contract.

Pre-requisites

• NodeJS and NPM

  https://nodejs.org/en/ or use https://github.com/nvm-sh/nvm

Instructions

Run the tests using the following command

$ yarn test

Different Types

• Booleans
• Integers
• Fixed Point Numbers
• Address
• Contract Types
• Fixed-size byte arrays
• Enums
• Function Types
• Arrays
• Structs
• Mapping Types

Observations

• The storage layouts are formed according to the rules in https://docs.soliditylang.org/en/latest/internals/layout_in_storage.html#layout-of-state-variables-in-storage

• Structs can occupy multiple slots depending on the size required by its members.

• Fixed arrays can occupy multiple slots according to the size of the array and the type of array.