[
  {
    "name": "Account",
    "fields": [
      { "name": "id", "type": "Bytes!" },
      { "name": "asCrowdSale", "type": "CrowdSaleContract" },
      {
        "name": "crowdSaleTokenPurchaseFromEvent",
        "type": "CrowdSaleTokenPurchase!",
        "derived": "purchaser"
      },
      {
        "name": "crowdSaleTokenPurchaseToEvent",
        "type": "CrowdSaleTokenPurchase!",
        "derived": "beneficiary"
      }
    ]
  },
  {
    "name": "CrowdSaleContract",
    "immutable": true,
    "fields": [
      { "name": "asAccount", "type": "Account" },
      { "name": "token", "type": "ERC20Contract" },
      { "name": "wallet", "type": "Account" },
      { "name": "fundsRaised", "type": "BigInt" },
      { "name": "initialSupply", "type": "BigInt" },
      { "name": "tokensAvailable", "type": "BigInt" },
      {
        "name": "tokenPurchases",
        "type": "CrowdSaleTokenPurchase!",
        "derived": "contract"
      }
    ]
  },
  {
    "name": "CrowdSaleTokenPurchase",
    "immutable": true,
    "parent": "Event",
    "fields": [
      { "name": "emitter", "type": "Account!" },
      { "name": "transaction", "type": "Transaction!" },
      { "name": "timestamp", "type": "BigInt!" },
      { "name": "beneficiary", "type": "Account!" },
      { "name": "purchaser", "type": "Account!" },
      { "name": "weiValue", "type": "BigInt!" },
      { "name": "tokenAmount", "type": "BigInt!" },
      { "name": "contract", "type": "CrowdSaleContract!" }
    ]
  }
]