Class Multicall

constructor

• new Multicall(c: { contracts?: Contract[]; id?: string; provider?: ProviderInterface }): Multicall

• Example

  const tokens = [
    "19GYjDBVXU7keLbYvMLazsGQn3GTWHjHkK", // koin
    "12Y5vW6gk8GceH53YfRkRre2Rrcsgw7Naq", // vhp
    "12VoHz41a4HtfiyhTWbg9RXqGMRbYk6pXh", // vortex usdt
    "1Tf1QKv3gVYLjq34yURSHw5ErTYbFjqTG", // vortex eth
  ];
  
  const provider = new Provider("https://api.koinos.io");
  
  // create an array of the different contracts
  // used in the multicall
  const contracts = [];
  for (const token of tokens) {
    contracts.push(
      new Contract({
        id: token,
        provider,
        abi: utils.tokenAbi,
      })
    );
  }
  
  // create the multicall instance
  const multicall = new Multicall({
    provider,
    contracts
  });
  
  // add operations to the multicall
  for (const contract of contracts) {
    await multicall.add(contract.functions.balanceOf, {
      owner: "1MdqwaSBy6rbasPJ9vmg2pZFJSVZ29GFpZ",
    });
  }
  
  // call the multicall
  const results = await multicall.call();
  console.log(results);
  

  For testnet set the id to the multicall contract address for testnet

  const multicall = new Multicall({
    id: "1MM9ydA8SdgXvCTH3LdQ5FS8JvHijCmGSg",
    provider: new Provider("https://testnet-api.koinos.io"),
    contracts: [ koinContract, fogataPoolContract ],
  });
  

  Parameters

  • c: { contracts?: Contract[]; id?: string; provider?: ProviderInterface }

    • Optional contracts?: Contract[]

    • Optional id?: string

      Multicall contract address. Leave it undefined to use the mainnet multicall contract address.

    • Optional provider?: ProviderInterface

  Returns Multicall