set_collection_metadata: TxDescriptor<{
    collection: number;
    data: Binary;
}>

Set the metadata for a collection.

Origin must be either ForceOrigin or Signed and the sender should be the Admin of the collection.

If the origin is Signed, then funds of signer are reserved according to the formula: MetadataDepositBase + DepositPerByte * data.len taking into account any already reserved funds.

  • collection: The identifier of the item whose metadata to update.
  • data: The general information of this item. Limited in length by StringLimit.

Emits CollectionMetadataSet.

Weight: O(1)