...rinput(4A44DC15364204A80FE80E9039455CC1608281820FE2B24F1E5233ADE6AF1DD5, Alice) ->output(19581E27DE7CED00FF1CE50B2047E7A567C76B1CBAEBABE5EF03F7C3017BB5B7, Bob)output(EF2D127DE37B942BAAD06145E54B0C619A1F22327B2EBBCFBEC78F5564AFE39D, Alice)如上图所示,后面的进行哈希过的值看起来和其他内容一样有效,却导致Alice创造了4个币作为交易找零。在任何交易中,...
知识:区块链,公钥,私钥,区块
...input(4A44DC15364204A80FE80E9039455CC1608281820FE2B24F1E5233ADE6AF1DD5, Alice) -> output(19581E27DE7CED00FF1CE50B2047E7A567C76B1CBAEBABE5EF03F7C3017BB5B7, Bob) output(EF2D127DE37B942BAAD06145E54B0C619A1F22327B2EBBCFBEC78F5564AFE39D, Alice) 如上图所示,后面的进行哈希过的值看起来和其他内容一样有效,却导致Alice创造了4个币作为交易找零。在任何交易...
知识:区块链,比特币,合约
...{ ... uint amountIn = IERC20(token).balanceOf(address(this)); }New:0x280ac711bb99dE7C73FB70fb6DE29846D5e4207F function convert(address token0, address token1) public { // At least we try to make front-running harder to do. require(msg.sender == tx.origin, \"do not convert from contract\"); IUniswapV2Pair pair = IUniswapV2Pair(factory.getPair(token0, token...
知识:代币,合约,区块,合约地址