d-bis/dodo-contractV2
4
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

第二遍走查 snapshot3

Browse Source
This commit is contained in:
mingda
2020-11-30 00:04:57 +08:00
parent 544b4c7c29
commit 898c5c0fb4
4 changed files with 53 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
contracts/DODOVendingMachine/impl/DVMVault.sol
View File

@@ -28,6 +28,13 @@ contract DVMVault is DVMStorage {
event Burn(address indexed user, uint256 value);
// ============ View Functions ============
function getVaultReserve() external view returns (uint256 baseReserve, uint256 quoteReserve) {
baseReserve = _BASE_RESERVE_;
quoteReserve = _QUOTE_RESERVE_;
}
// ============ Asset In ============
function getBaseInput() public view returns (uint256 input) {
@@ -121,7 +128,11 @@ contract DVMVault is DVMStorage {
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
function _approve(
address owner,
address spender,
uint256 amount
) private {
_ALLOWED_[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
@@ -151,17 +162,30 @@ contract DVMVault is DVMStorage {
}
// ============================ Permit ======================================
function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external {
require(deadline >= block.timestamp, 'DODO_DVM_LP: EXPIRED');
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external {
require(deadline >= block.timestamp, "DODO_DVM_LP: EXPIRED");
bytes32 digest = keccak256(
abi.encodePacked(
'\x19\x01',
"\x19\x01",
DOMAIN_SEPARATOR,
keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline))
keccak256(
abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline)
)
)
);
address recoveredAddress = ecrecover(digest, v, r, s);
require(recoveredAddress != address(0) && recoveredAddress == owner, 'DODO_DVM_LP: INVALID_SIGNATURE');
require(
recoveredAddress != address(0) && recoveredAddress == owner,
"DODO_DVM_LP: INVALID_SIGNATURE"
);
_approve(owner, spender, value);
}
// ===========================================================================