DAO/DAPP代币合约分红系统开发(开发功能),DAO/DAPP代币合约分红源码详情

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  Uniswap V1中ERC20代币的相互兑换主要是以ETH为中介进行,也就是说其中一种ERC20代币兑换成ETH,再由ETH兑换成目标ERC20代币

  #notice Convert Tokens(self.token)to Tokens(token_addr).

  #dev User specifies exact input and minimum output.

  #param tokens_sold Amount of Tokens sold.支付的代币数量

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  #param min_tokens_bought Minimum Tokens(token_addr)purchased.购买的代币的最小值

  #param min_eth_bought Minimum ETH purchased as intermediary.作为中介的ETH的最小值

  #param deadline Time after which this transaction can no longer be executed.

  #param token_addr The address of the token being purchased.目标代币的ERC20合约地址

  #return Amount of Tokens(token_addr)bought.最终购买的代币数量

  #根据输入的代币数量兑换相应数量的目标代币

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  public

  def tokenToTokenSwapInput(tokens_sold:uint256,min_tokens_bought:uint256,min_eth_bought:uint256(wei),deadline:timestamp,token_addr:address)->uint256:

  #获得目标代币的兑换合约地址

  exchange_addr:address=self.factory.getExchange(token_addr)

  return self.tokenToTokenInput(tokens_sold,min_tokens_bought,min_eth_bought,deadline,msg.sender,msg.sender,exchange_addr)

  ​

  #notice Convert Tokens(self.token)to Tokens(token_addr)and transfers

  #Tokens(token_addr)to recipient.

  #dev User specifies exact input and minimum output.

  #param tokens_sold Amount of Tokens sold.支付的代币数量

  #param min_tokens_bought Minimum Tokens(token_addr)purchased.购买的代币的最小值

  #param min_eth_bought Minimum ETH purchased as intermediary.作为中介的ETH的最小值

  #param deadline Time after which this transaction can no longer be executed.

  #param recipient The address that receives output ETH.目标代币的接收者地址

  #param token_addr The address of the token being purchased.目标代币的ERC20合约地址

  #return Amount of Tokens(token_addr)bought.最终购买的代币数量

  #根据输入的代币数量兑换相应数量的目标代币,并将目标代币发送给指定接收者

  public

  def tokenToTokenTransferInput(tokens_sold:uint256,min_tokens_bought:uint256,min_eth_bought:uint256(wei),deadline:timestamp,recipient:address,token_addr:address)->uint256:

  exchange_addr:address=self.factory.getExchange(token_addr)

  return self.tokenToTokenInput(tokens_sold,min_tokens_bought,min_eth_bought,deadline,msg.sender,recipient,exchange_addr)

  ​

  #notice Convert Tokens(self.token)to Tokens(token_addr).

  #dev User specifies maximum input and exact output.

  #param tokens_bought Amount of Tokens(token_addr)bought.所要购买的代币数量

  #param max_tokens_sold Maximum Tokens(self.token)sold.所要支付的代币的最大值

  #param max_eth_sold Maximum ETH purchased as intermediary.作为中介的ETH的最大值

  #param deadline Time after which this transaction can no longer be executed.

  #param token_addr The address of the token being purchased.目标代币的ERC20合约地址

  #return Amount of Tokens(self.token)sold.最终所需要支付的代币数量

  #根据所要购买的目标代币数量支付相应数量的持有代币

  public

  def tokenToTokenSwapOutput(tokens_bought:uint256,max_tokens_sold:uint256,max_eth_sold:uint256(wei),deadline:timestamp,token_addr:address)->uint256:

  exchange_addr:address=self.factory.getExchange(token_addr)

  return self.tokenToTokenOutput(tokens_bought,max_tokens_sold,max_eth_sold,deadline,msg.sender,msg.sender,exchange_addr)

  ​

  #notice Convert Tokens(self.token)to Tokens(token_addr)and transfers

  #Tokens(token_addr)to recipient.

  #dev User specifies maximum input and exact output.

  #param tokens_bought Amount of Tokens(token_addr)bought.所要购买的代币数量

  #param max_tokens_sold Maximum Tokens(self.token)sold.所要支付的代币的最大值

  #param max_eth_sold Maximum ETH purchased as intermediary.作为中介的ETH的最大值

  #param deadline Time after which this transaction can no longer be executed.

  #param recipient The address that receives output ETH.目标代币的接收者地址

  #param token_addr The address of the token being purchased.目标代币的ERC20合约地址

  #return Amount of Tokens(self.token)sold.最终所需要支付的代币数量

  #根据所要购买的目标代币数量支付相应数量的持有代币,并将所兑换的目标代币发送给指定接收者

  public

  def tokenToTokenTransferOutput(tokens_bought:uint256,max_tokens_sold:uint256,max_eth_sold:uint256(wei),deadline:timestamp,recipient:address,token_addr:address)->uint256:

  exchange_addr:address=self.factory.getExchange(token_addr)

  return self.tokenToTokenOutput(tokens_bought,max_tokens_sold,max_eth_sold,deadline,msg.sender,recipient,exchange_addr)