Verify Asset Metadata

import { MnemonicIdentity, RestArkProvider, Wallet } from '@arkade-os/sdk'

const identity = MnemonicIdentity.fromMnemonic("abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about")

const wallet = await Wallet.create({
  identity,
  arkProvider: new RestArkProvider('https://arkade.computer'),
})

const { supply, metadata, controlAssetId } = await wallet.assetManager.getAssetDetails(assetId)

console.log(supply)         // e.g. 100000000n
console.log(metadata)       // e.g. { name: 'Tether USD', ticker: 'USD₮', decimals: 6, icon: 'https://...' }
console.log(controlAssetId) // undefined if the supply is fixed

type AssetDetails = {
  assetId: string;          // permanent asset identifier
  supply: bigint;           // total issued supply, in base units
  metadata?: AssetMetadata; // immutable metadata set at issuance
  controlAssetId?: string;  // present if the supply can increase
}

type AssetMetadata = Partial<{
  name: string;             // human-readable asset name
  ticker: string;           // short symbol (e.g. "USD₮")
  decimals: number;         // decimal places
  icon: string;             // url to an image for display
}> & Record<string, unknown>;

if (controlAssetId) {
  const controlAsset = await wallet.assetManager.getAssetDetails(controlAssetId)
  console.log(controlAsset.metadata, controlAsset.supply)
}

import { hex, utf8 } from '@scure/base'

const customField = utf8.encode(hex.decode(metadata?.customField as string))