MintPolicy
Defines the access and payment rules for minting objects
struct MintPolicy {
uint32 index;
MintPolicyStatus status;
MintPermissionType perm;
uint16 limit;
uint32 tag;
address recipient;
address currency;
uint96 price;
uint64 idStart;
uint64 idEnd;
uint64 saleStart;
uint64 saleEnd;
bytes32 data;
}