safe-react/safe-contracts/build/contracts/SecuredTokenTransfer.json

783 lines
31 KiB
JSON

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"source": "pragma solidity 0.4.24;\n\n\n/// @title SecuredTokenTransfer - Secure token transfer\n/// @author Richard Meissner - <richard@gnosis.pm>\ncontract SecuredTokenTransfer {\n\n /// @dev Transfers a token and returns if it was a success\n /// @param token Token that should be transferred\n /// @param receiver Receiver to whom the token should be transferred\n /// @param amount The amount of tokens that should be transferred\n function transferToken (\n address token, \n address receiver,\n uint256 amount\n )\n internal\n returns (bool transferred)\n {\n bytes memory data = abi.encodeWithSignature(\"transfer(address,uint256)\", receiver, amount);\n // solium-disable-next-line security/no-inline-assembly\n assembly {\n let success := call(sub(gas, 10000), token, 0, add(data, 0x20), mload(data), 0, 0)\n let ptr := mload(0x40)\n returndatacopy(ptr, 0, returndatasize)\n switch returndatasize \n case 0 { transferred := success }\n case 0x20 { transferred := iszero(or(iszero(success), iszero(mload(ptr)))) }\n default { transferred := 0 }\n }\n }\n}\n",
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