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EVM Contract

Hot Pocket C++ contract that can execute compiled solidity contracts using evmone library.

Setting up development environment

1. Install EVMC library

git clone https://github.com/ethereum/evmc.git
cd evmc
cmake .
sudo make install

2. Install evmone library

  • Download evmone release package and extract the contents to /usr.
  • Run ldconfig

3. Build

cmake .
make

Contents in the 'build' directory must be copied to initial contract state.

Input/output message interface

For implicity, this contract uses a character-based i/o message format. Clients can use the following messages to deploy and call compiled Solidity contracts.

Input messages

  • Deploy: d<hex addr><hex bytecode> - Deploys the bytecode at given address (account is created with the max balance).
  • Call: c<hex addr><hex input> - Calls the contract located at given address using given input.

Output messages

  • Deploy result: d<deployed hex address>
  • Call result: c<output hex>
  • Error: e<reason>