Bancor ContractRegistry

1. ContractRegistry：

维护合约名字和合约地址的对应关系，这样其他合约通过合约名字访问时，可以得到最新的合约地址

mapping (bytes32 => RegistryItem) private items;    // name -> RegistryItem mapping
string[] public contractNames;                      // list of all registered contract names

registerAddress

2.ContractIds：

定义了维护在ContractRegistry的合约的名字

ContractIds

3.BNT项目

ContractRegistry：https://etherscan.io/address/0x7148b1c9154bcf273a2c7d7b90e3edc6fee395e6

3.1.注册ContractFeatures到ContractRegistry

在别的合约需要访问ContractFeatures时可以通过以下方式访问：

IContractFeatures features = IContractFeatures(registry.addressOf(ContractIds.CONTRACT_FEATURES));

https://etherscan.io/tx/0x3038ae4bb59e841f153fe8c0dce617dfbba149c3c90576416f089152044de859

注册ContractFeatures

3.2. 注册BancorNetwork到ContractRegistry

在别的合约需要访问BancorNetwork时可以通过以下方式访问：

IBancorNetwork bancorNetwork = IBancorNetwork(registry.addressOf(ContractIds.BANCOR_NETWORK));

https://etherscan.io/tx/0x74ea2dd002c30d028c74b6d45bc83af0fe267afb552ad694b23b90d7a7f2648a

注册BancorNetwork

3.3. 注册BancorFormula到ContractRegistry

在别的合约需要访问BancorFormula时，可以通过以下方式访问：

IBancorFormula formula = IBancorFormula(registry.addressOf(ContractIds.BANCOR_FORMULA));

https://etherscan.io/tx/0x2af09023e2184b42fcfa8cd6263fb704b0781c886af354e4ef880880c1c36001

注册BancorFormula