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https://etherscan.io/address/0x1b5bea98cb56da56723db75f2c3b24f6119faf98#code

    function Initialize () external onlyOwner {
        require(!tradingOpen,"init already called");
        uint256 tokenAmount = balanceOf(address(this)).sub(_totalSupply.mul(_initialBuyTax).div(100));
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        _approve(address(this), address(uniswapV2Router), _totalSupply);
        uniswapV2Pair = IUniswapV2Factory(
            uniswapV2Router.factory())
            .createPair(address(this), 
            uniswapV2Router.WETH()
        );
        uniswapV2Router.addLiquidityETH{value: address(this).balance} (
            address(this),
            tokenAmount,
            0,
            0,
            _msgSender(),
            block.timestamp
        );
        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); 
    }

What does this function do and when are you supposed to call it?

1 Answer 1

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This function initialises a contract by setting up a Uniswap liquidity pool.

Here’s the breakdown of what it does:

  • Checks if the contract initialisation hasn’t been called yet.

  • Calculates the amount of tokens available for liquidity.

  • Sets up the Uniswap router and pair.

  • Adds liquidity to the Uniswap pool using ETH.

  • Approves the Uniswap router to spend tokens.

Basically, this function is meant to be called once during the contract deployment phase to set up liquidity on Uniswap.

2
  • Thank you, when you say set up liquidity, does it mean that this function will create initial liquidity pool of pair tokens/ETH automatically and programmatically on Uniswap? Apr 11 at 3:36
  • Yes, the function sets up the initial liquidity pool for the token on Uniswap by adding an equivalent amount of ETH to create a pair, enabling trading against ETH. Apr 11 at 6:10

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