mirror of
https://github.com/pezkuwichain/revive.git
synced 2026-04-22 21:58:01 +00:00
Cyrill Leutwiler
37 lines
1.7 KiB
Markdown
37 lines
1.7 KiB
Markdown
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# revive
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YUL and EVM assembly recompiler to LLVM, targetting RISC-V on [PolkaVM](https://github.com/koute/polkavm).
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[Frontend](https://github.com/matter-labs/era-compiler-solidity) and [code generator](https://github.com/matter-labs/era-compiler-llvm-context) are based of ZKSync `zksolc`.
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## Status
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This is experimental software in active development and not ready just yet for production usage.
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Discussion around the development is hosted on the [Polkadot Forum](https://forum.polkadot.network/t/contracts-update-solidity-on-polkavm/6949#a-new-solidity-compiler-1).
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## Installation
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TL;DR installing the `resolc` Solidity frontend executable:
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```bash
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bash build-llvm.sh
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export PATH=${PWD}/llvm18.0/bin:$PATH
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make install-bin
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resolc --version
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```
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### LLVM
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`revive` requires a build of LLVM 18.1.4 or later including `compiler-rt`. Use the provided [build-llvm.sh](build-llvm.sh) build script to compile a compatible LLVM build locally in `$PWD/llvm18.0` (don't forget to add that to `$PATH` afterwards).
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### Development
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Please consult the [Makefile](Makefile) targets to learn how to run tests and benchmarks.
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Ensure that your branch passes `make test` locally when submitting a pull request.
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## Design overview
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`revive` uses [solc](https://github.com/ethereum/solidity/), the Ethereum Solidity compiler, as the [Solidity frontend](crates/solidity/src/lib.rs) to process smart contracts written in Solidity. The YUL IR code (or legacy EVM assembly as a fallback for older `solc` versions) emitted by `solc` is then translated to LLVM IR, targetting a runtime similar to [Polkadots `contracts` pallet](https://docs.rs/pallet-contracts/latest/pallet_contracts/api_doc/trait.Current.html).
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