contracts

type MetaData interface {

	// get contract address by contract id
	GetContractById(types.ContractType) types.Address

	// issue a proposal to update contract address
	UpdateContractAddress(uint64, types.ContractType, types.Address)

	// voteForContractProposal
	UpdateWhiteListAddress(uint64, types.Address)
}

type MetaDataContract struct {
	Address types.Address
	MetaMap map[types.ContractType]types.Address
}

type NodeInfo struct {
	Address types.Address `json:"address"     gencodec:"required"`
	Url     string        `json:"url"`
	Id      uint64        `json:"id"`
}

type Voting interface {

	// get node num
	NodeNumber() uint64

	// get nodes list which sorted
	GetNodeList(count uint64) ([]NodeInfo, error)
}

type VotingContract struct {
	// contains filtered or unexported fields
}

type WhiteList interface {

	// issue a proposal to add whitelist
	IssueWhileListProposal(uint64, types.Address, uint64)

	// vote for white list proposal
	VoteForWhiteListProposal(uint64)

	// issue a proposal to update contract address
	IssueContractProposal(uint64, types.ContractType)

	// voteForContractProposal
	VoteForContractProposal(uint64)
}