starter_04.js

// Get the resale items for our contracts. This method
// takes a list of token contract IDs, not addresses. 
// The IDs are assigned by Cargo and used internally
const { data: resaleItems} = await cargo.api.getContractResaleItems(
  contracts.map(contract => contract.tokenContractId)
);

// Pass our contract data and resale items to a function that will create some markup
// and add it to the page.
displayContractContent(contracts, resaleItems);