Playground

https://sway-playground.org/

Browser wallet

https://wallet.fuel.network/docs/install/

Install

https://github.com/FuelLabs/fuelup

rustup install stable
rustup update
rustup default stable

fuelup toolchain install latest

fuelup toolchain install beta-3
fuelup default beta-3

fuelup show
# switch
fuelup default latest

Update

fuelup self update

# generate test
cargo generate --init fuellabs/sway templates/sway-test-rs --name counter

New project

forc new counter_contract

# compile
forc build
# format
forc fmt

# node
fuel-core run --db-type in-memory
# deploy
forc deploy --unsigned

Topics

• no inheritance, no constructor, global memory, native assets, no for loop, utxo

• sway lib

• default values

• Program types overview

• Basic

  • [x] variables (immutable, mut, type annotations)
  • [x] built-in
    • [x] primitive types (u64, bool, str[], b256)
    • [x] compound type (tuple, struct, array)
  • [x] blockchain types (Address, ContractId and Identity)
  • [x] functions (return outputs, ref mut)
  • [x] structs
  • [x] tuples
  • [x] enums
  • [x] constants
  • [x] configurable constants
  • [x] std lib types - option
  • [x] std lib types - result
  • [x] control flow
    • [x] if
    • [x] match
    • [x] while loop
  • [x] logging
  • [ ] test in sway

• Blockchain

  • [x] msg_sender (ownership)
  • [x] base asset (wallet)
  • [x] native support for assets (wrapped token)
  • [x] events
  • [x] storage map (simple, nested)
  • [x] vector (storage, heap) (nft)
  • [x] hash
  • [x] crypto signature (air drop)
  • [x] calling contracts (multi sig)
    • [x] call
    • [x] low level call
  • [x] function purity
  • [x] identifier (address and contract id)

• Advanced

  • [ ] methods
  • [ ] generics
  • [ ] traits
  • [ ] assembly

• Program types

  • [x] contracts
  • [x] libraries
  • [ ] scripts
  • [x] predicates

Apps

• [x] counter (storage)
• [x] ownership (Identity type, msg_sender, configurable, Option, Error, imports)
• [x] wallet (native assets, identity, access control, payable, output variables)
• [x] wrapped token (contract_id, msg_asset_id, mint, burn, transfer)
• [x] nft (log, nested storage map, private funcs, constant)
• [x] airdrop (sway-libs, events, multi abi, multi contracts, storage map, sha256, test events)
• [x] call (multiple contracts, call, low level call, calling other contracts (Rust SDK), fn_selector!)
• [x] multi-sig (multi token, vec on heap, multi abi, loop, storage vec, events, low_level_call, hash, recover sig)
• [ ] otc (predicate, gtf)

TODO:

• assert, require, revert
• [ ] otc (predicate)
• [ ] bridge?
• [ ] clamm?
• [ ] liquidity book - amm
• uniswap v3 amm?
• escrow
• auction
• queue (generics)
• reentrancy guard?