ExtensionsERC-721 DelegateLibrariesJB721Operations本页总览JB721OperationsGit SourceOccupy namespace operations.State VariablesADJUST_TIERSuint256 public constant ADJUST_TIERS = 21;UPDATE_METADATAuint256 public constant UPDATE_METADATA = 22;MINTuint256 public constant MINT = 23;