TON-EVM token bridge - Solidity smart contracts

Developed by RSquad by order of TON Foundation.

npm run test

change PRIVATE_KEY, GOERLI_ENDPOINT, BSC_TESTNET_ENDPOINT in .env.

Ethereum Goerli Testnet:

npm run deploy-test-token-goerli
npm run deploy-bridge-goerli

BSC Testnet:

npm run deploy-test-token-bsc-testnet
npm run deploy-bridge-bsc-testnet

Based on Toncoin Bridge.

• TonUtils - token address added to SwapData. TonAddress replaced by address_hash because all tokens and token owners in workchain = 0.

• SignatureChecker - getSwapDataId: token address and chainId added to signing data, workchain removed from signing data; 'uint64 amount' -> 'uint256 amount'; cosmetic changes;

    `checkSignature`
    
    `getNewSetId` - `chainId` added to signing data
    
    `getNewBurnStatusId` renamed to `getNewLockStatusId`, `chainId` added to signing data
  

• Bridge

    `SwapEthToTon` renamed to `Lock`, some fields removed and added
   
    `SwapTonToEth` renamed to `Unlock`, some fields removed and added
   
    `burn` -> `lock`, new functionality
   
    `voteForMinting` -> `unlock`, new functionality
   
    `voteForNewOracleSet` same
   
    `allowBurn` renamed to `allowLock`
   
    `voteForSwitchBurn` renamed to `voteForSwitchLock`
   
    cosmetic changes and optimizations