Mirroring https://github.com/hyperledger-solang/solang
Samuel Moelius
8eac360fa7
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README.md
solang - Solidity Compiler for Solana and Polkadot
Welcome to Solang, a new Solidity compiler written in rust which uses
llvm as the compiler backend. Solang can compile Solidity for Solana and
Polkadot Parachains with the contracts pallet.
Solang is source compatible with Solidity 0.8,
with some caveats due to differences in the underlying blockchain.
Solang is under active development right now, and has extensive documentation.
Solana
Please follow the Solang Getting Started Guide.
Solang is part of the Solana Tools Suite (version v1.16.3 and higher). There is no need to install it separately.
Installation
Solang is available as a Brew cask for MacOS, with the following command:
brew install hyperledger/solang/solang
For other operating systems, please check the installation guide.
Build for Polkadot
Run the following command, selecting the flipper example available on Solang's repository:
solang compile --target polkadot examples/polkadot/flipper.sol
Alternatively if you want to use the solang container, run:
docker run --rm -it -v $(pwd):/sources ghcr.io/hyperledger/solang compile -v -o /sources --target polkadot /sources/flipper.sol
You will have a file called flipper.contract. You can use this directly in the Contracts UI, as if your smart contract was written using ink!.
Tentative roadmap
Solang has a high level of compatibility with many blockchains. We are trying to ensure the compiler stays up to date with the newest Solidity syntax and features. In addition, we focus on bringing new performance optimizations and improve developer experience. Here is a brief description of what we envision for the next versions.
V0.4
| Feature | Status |
|---|---|
| Improve management over optimization passes | Not started |
| Adopt single static assignment for code generation | In progress |
| Support openzeppelin on Polkadot target | In progress |
| Provide Solidity -> Polkadot porting guide | Not started |
| Declare accounts for a Solidity function on Solana | In progress |
| Tooling for calls between ink! <> solidity | In progress |
| Provide CLI for node interactions | Done |