# Mintage
创建 Mintage 模块对象
func NewMintageApi(c *rpc.Client) *MintageApi
# GetMintageBlock
根据铸币参数返回铸币合约的数据
func (m *MintageApi) GetMintageBlock(param *api.MintageParams) (*types.StateBlock, error)
# GetMintageData
根据铸币参数返回 ContractSend 区块
func (m *MintageApi) GetMintageData(param *api.MintageParams) ([]byte, error)
# GetRewardBlock
根据 ContractSend 区块返回 ContractReward 区块
func (m *MintageApi) GetRewardBlock(input *types.StateBlock) (*types.StateBlock, error)
# GetWithdrawMintageData
根据 token id 返回提取铸币合约抵押的数据
func (m *MintageApi) GetWithdrawMintageData(tokenId types.Hash) ([]byte, error)