Generate Mutation for the Evolution of an Asset

/* eslint-disable no-console */ /* eslint-disable camelcase */ /* UPDATES AN ASSET See asset_create for more info INPUTS: * pvk: the private key of the owner of the universe * asset: the id of the asset to be updated * uni: the universe id * nonce: the Number used ONly onCE, see the get_asset_nonce.js example * updated_asset_props: the new attributes of the asset * updated_asset_metadata: the new attr. of the asset that will not be certified by the blockchain */ const pvk = '0xd2827f4c3778758eb51719a698464aaffd10a5c7cf816c1de83c5e446bfc8e8d'; const asset = '1858476204501659870681251187806966130514471238263'; const uni = '0'; const nonce = '0'; const updated_asset_props = { name: 'Supercool Dragon', description: 'Legendary creature that loves ice.', image: 'ipfs://QmPCHHeL1i6ZCUnQ1RdvQ5G3qccsjgQF8GkJrWAm54kdtB', animation_url: 'ipfs://QmefzYXCtUXudCy9LYjU4biapHJiP26EGYS8hQjpei472j', attributes: [ { trait_type: 'Rarity', value: 'Common', }, { trait_type: 'Level', value: 10, }, { trait_type: 'Weight', value: 223.5, }, ], }; const updated_asset_metadata = { private_data: 'that has been updated', }; // UPDATING THE ASSET: require("utf-8-validate"); const identity = require('freeverse-crypto-js'); const { updateAssetOp, AtomicAssetOps } = require("freeverse-apisigner-js"); // create web3 account from your private key // (other forms of creating web3 account could be subsituted) const universe_owner_account = identity.accountFromPrivateKey(pvk); // instantiate the class to create the required mutation: const assetOps = new AtomicAssetOps({ universeId: uni }); const op = updateAssetOp({ nonce, assetId: asset, props: updated_asset_props, metadata: updated_asset_metadata, }); assetOps.push({ op }); const sig = assetOps.sign({ web3Account: universe_owner_account }); const mutation = assetOps.mutation({ signature: sig }); ` --------------- Mutation to be sent to GraphQL endpoint: ${mutation} `