Sysethereum contracts

Ethereum contracts for the Syscoin <=> Ethereum bridge.

If you are new to the Syscoin <=> Ethereum bridge, please check the docs repository first.

Core components

SyscoinSuperblocks contract
- Keeps a copy of the Syscoin Superblockchain
- Informs SyscoinToken contract when a Syscoin transaction locked or unlocked funds.
- It's kind of a Syscoin version of BtcRelay but using Superblocks instead of blocks.
SyscoinToken contract
- An ERC20 contract where 1 token is worth 1 Syscoin.
- Tokens are minted when coins are locked on the Syscoin blockchain.
- Tokens are destroyed when coins should go back to the Syscoin blockchain.
SyscoinClaimManager contract
- Manages the interactive (challenge/response) validation of Superblocks.
SyscoinMessageLibrary
- Library for parsing/working with Syscoin blocks, txs and merkle trees

Install prerequisites
- nodejs v9.2.0 to v11.15.0.
- truffle v5.0.24
```
  npm install -g truffle@5.0.24
```
- ganache-cli v6.4.2 or above.
```
  npm install -g ganache-cli
```
Clone this repo.
Install npm dependencies.
- cd to the directory where the repo is cloned.
```
  npm install
```

Compile contracts

  # compile contracts
  truffle compile --all

Run tests:

  # first start ganache-cli - and do this again once your gas ran out
  ganache-cli --gasLimit 4000000000000

  # run tests
  truffle test

To deploy the contracts