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Accounts and Agents

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Account

Represents either an IBAN account or a basic account. 
type Account = IBANAccount | BaseAccount;

interface IBANAccount {
  iban: string;
}

interface BaseAccount {
  accountNumber: string;
  accountType?: "checking" | "savings";
}

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Agent

Represents either a BIC or ABA identified financial agent. 
type Agent = BICAgent | ABAAgent;

interface BICAgent {
  bic: string;
  bankAddress?: StructuredAddress;
}

interface ABAAgent {
  abaRoutingNumber: string;
}