Transactions
Token Transfers
Tokens
Internal Transactions
Coin Balance History
Code
Read Contract
Write Contract
Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
This contract has been partially verified via Sourcify.
View contract in Sourcify repository
- Contract name:
- DaiJoinFab
- Optimization enabled
- false
- Compiler version
- v0.5.12+commit.7709ece9
- EVM Version
- petersburg
- Verified at
- 2026-04-13T01:44:20.104935Z
DaiJoinFab.sol
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
pragma solidity =0.5.12;
contract LibNote {
event LogNote(
bytes4 indexed sig,
address indexed usr,
bytes32 indexed arg1,
bytes32 indexed arg2,
bytes data
) anonymous;
modifier note {
_;
assembly {
// log an 'anonymous' event with a constant 6 words of calldata
// and four indexed topics: selector, caller, arg1 and arg2
let mark := msize // end of memory ensures zero
mstore(0x40, add(mark, 288)) // update free memory pointer
mstore(mark, 0x20) // bytes type data offset
mstore(add(mark, 0x20), 224) // bytes size (padded)
calldatacopy(add(mark, 0x40), 0, 224) // bytes payload
log4(mark, 288, // calldata
shl(224, shr(224, calldataload(0))), // msg.sig
caller, // msg.sender
calldataload(4), // arg1
calldataload(36) // arg2
)
}
}
}
contract DSTokenLike {
function mint(address,uint) external;
function burn(address,uint) external;
}
contract VatLike {
function slip(bytes32,address,int) external;
function move(address,address,uint) external;
}
contract DaiJoin is LibNote {
// --- Auth ---
mapping (address => uint) public wards;
function rely(address usr) external note auth { wards[usr] = 1; }
function deny(address usr) external note auth { wards[usr] = 0; }
modifier auth {
require(wards[msg.sender] == 1, "DaiJoin/not-authorized");
_;
}
VatLike public vat;
DSTokenLike public dai;
uint public live; // Access Flag
constructor(address vat_, address dai_) public {
wards[msg.sender] = 1;
live = 1;
vat = VatLike(vat_);
dai = DSTokenLike(dai_);
}
function cage() external note auth {
live = 0;
}
uint constant ONE = 10 ** 27;
function mul(uint x, uint y) internal pure returns (uint z) {
require(y == 0 || (z = x * y) / y == x);
}
function join(address usr, uint wad) external note {
vat.move(address(this), usr, mul(ONE, wad));
dai.burn(msg.sender, wad);
}
function exit(address usr, uint wad) external note {
require(live == 1, "DaiJoin/not-live");
vat.move(msg.sender, address(this), mul(ONE, wad));
dai.mint(usr, wad);
}
}
contract DaiJoinFab {
function newDaiJoin(address vat, address dai) public returns (DaiJoin daiJoin) {
daiJoin = new DaiJoin(vat, dai);
}
}
Compiler Settings
{"remappings":[],"optimizer":{"runs":200,"enabled":false},"libraries":{},"evmVersion":"petersburg","compilationTarget":{"DaiJoinFab.sol":"DaiJoinFab"}}
Contract ABI
[{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"address","name":"daiJoin","internalType":"contract DaiJoin"}],"name":"newDaiJoin","inputs":[{"type":"address","name":"vat","internalType":"address"},{"type":"address","name":"dai","internalType":"address"}],"constant":false}]
Contract Creation Code
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 ByteCode
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