Write smart contracts in Ruby, generate production-ready Solidity code
SolidRail is a powerful transpiler that allows Ruby developers to write smart contracts using familiar Ruby syntax while generating equivalent Solidity code for deployment on Ethereum and other EVM-compatible blockchains.
gem install solidrail
Or add to your Gemfile:
gem 'solidrail'
# token.rb
class Token < ERC20
def initialize(name, symbol)
@name = name
@symbol = symbol
@total_supply = 1_000_000
@balances = {}
end
def transfer(to, amount)
require(balance_of(msg.sender) >= amount, "Insufficient balance")
@balances[msg.sender] -= amount
@balances[to] += amount
emit Transfer(msg.sender, to, amount)
end
def balance_of(owner)
@balances[owner] || 0
end
end
solidrail compile token.rb
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.30;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
contract Token is ERC20 {
string public name;
string public symbol;
uint256 public totalSupply;
mapping(address => uint256) public balances;
constructor(string memory _name, string memory _symbol) {
name = _name;
symbol = _symbol;
totalSupply = 1000000;
}
function transfer(address to, uint256 amount) public {
require(balanceOf(msg.sender) >= amount, "Insufficient balance");
balances[msg.sender] -= amount;
balances[to] += amount;
emit Transfer(msg.sender, to, amount);
}
function balanceOf(address owner) public view returns (uint256) {
return balances[owner] != 0 ? balances[owner] : 0;
}
}
Ripperclass MyToken < ERC20
def initialize(name, symbol)
@name = name
@symbol = symbol
end
end
Becomes:
contract MyToken is ERC20 {
string public name;
string public symbol;
constructor(string memory _name, string memory _symbol) {
name = _name;
symbol = _symbol;
}
}
def transfer(to, amount)
require(balance_of(msg.sender) >= amount, "Insufficient balance")
@balances[msg.sender] -= amount
@balances[to] += amount
emit Transfer(msg.sender, to, amount)
end
Becomes:
function transfer(address to, uint256 amount) public {
require(balanceOf(msg.sender) >= amount, "Insufficient balance");
balances[msg.sender] -= amount;
balances[to] += amount;
emit Transfer(msg.sender, to, amount);
}
# Clone the repository
git clone https://github.com/solidrail/solidrail.git
cd solidrail
# Install dependencies
bundle install
# Run tests
bundle exec rspec
# Run linter
bundle exec rubocop
# Compile a Ruby file to Solidity
solidrail compile contract.rb
# Validate a Ruby file for smart contract patterns
solidrail validate contract.rb
# Parse a Ruby file and show AST
solidrail parse contract.rb
# Show version information
solidrail version
# Run all tests
bundle exec rspec
# Run with coverage
COVERAGE=true bundle exec rspec
# Run specific test file
bundle exec rspec spec/parser_spec.rb
We welcome contributions! Please see our Contributing Guide for details.
git checkout -b feature/amazing-feature)bundle exec rspec)git commit -m 'Add amazing feature')git push origin feature/amazing-feature)| Component | Status | Coverage |
|---|---|---|
| Ruby Parser | ✅ Complete | 95% |
| Type Mapper | 🔄 In Progress | 60% |
| Code Generator | 🔄 In Progress | 45% |
| Optimizer | 🔄 In Progress | 30% |
| Validator | ✅ Complete | 85% |
| CLI Interface | ✅ Complete | 90% |
SolidRail includes several security features:
This project is licensed under the MIT License - see the LICENSE file for details.
Made with ❤️ for the Ruby and Ethereum communities
FAQs
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We found that solidrail demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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