如果我想从 ETH 交换代币,地址是什么?
ISwapRouter.ExactOutputSingleParams memory params =
ISwapRouter.ExactOutputSingleParams({
tokenIn: TOKEN_IN_ADDRESS,
tokenOut: TOKEN_OUT_ADDRESS,
fee: poolFee,
recipient: msg.sender,
deadline: block.timestamp,
amountOut: amountOut,
amountInMaximum: amountInMaximum,
sqrtPriceLimitX96: 0
});
amountIn = swapRouter.exactOutputSingle(params);
在这种情况下,如果我想使用原生 ETH,TOKEN_IN_ADDRESS 是什么?