‘转账（transfer）’方法包含一个函数，用于允许合约来转账您的代币，且必须与下列示例类似的方式来执行。
转账函数示例：
export default function transfer(state, action) {
const input = action.input;
const caller = action.caller;
const target = input.target;
ContractAssert(target, `No target specified.`);
ContractAssert(caller !== target, `Invalid token transfer.`);
const qty = input.qty;
ContractAssert(qty, `No quantity specified.`);
const balances = state.balances;
ContractAssert(
caller in balances && balances[caller] >= qty,
`Caller has insufficient funds`
);
balances[caller] -= qty;
if (!(target in balances)) {
balances[target] = 0;
}
balances[target] += qty;
state.balances = balances;
return { state };
}
这仅仅是一个应用示例，但能够提供与现有 Atomic NFT 标准交互所需要的默认功能和状态结构。