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Inline keccak256 result (#1741)

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* inline keccak256 result

* Update ERC777.sol

* switch hex constant style

* Update ERC777.sol

(cherry picked from commit e60c7904d4)
This commit is contained in:
Francisco Giordano
2019-05-08 15:12:13 -03:00
committed by Nicolás Venturo
parent 6c2b7c260d
commit 44590fe0b6
1 changed files with 9 additions and 2 deletions
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11
contracts/drafts/ERC777/ERC777.sol
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@ -25,8 +25,15 @@ contract ERC777 is IERC777, IERC20 {
string private _name;
string private _symbol;
bytes32 constant private TOKENS_SENDER_INTERFACE_HASH = keccak256("ERC777TokensSender");
bytes32 constant private TOKENS_RECIPIENT_INTERFACE_HASH = keccak256("ERC777TokensRecipient");
// We inline the result of the following hashes because Solidity doesn't resolve them at compile time.
// See https://github.com/ethereum/solidity/issues/4024.
//
// keccak256("ERC777TokensSender")
bytes32 constant private TOKENS_SENDER_INTERFACE_HASH =
0x29ddb589b1fb5fc7cf394961c1adf5f8c6454761adf795e67fe149f658abe895;
// keccak256("ERC777TokensRecipient")
bytes32 constant private TOKENS_RECIPIENT_INTERFACE_HASH =
0xb281fc8c12954d22544db45de3159a39272895b169a852b314f9cc762e44c53b;
// This isn't ever read from - it's only used to respond to the defaultOperators query.
address[] private _defaultOperatorsArray;