grootwarnfts Contract Overview Actions (18) Structs (29) Tables (11) ABI Overview upgrade Action parameter in upgrade { "name": "upgrade", "base": "", "fields": [ { "name": "account", "type": "name" }, { "name": "nft_id1", "type": "uint64" }, { "name": "nft_id2", "type": "uint64" }, { "name": "type", "type": "string" } ] }