Instadapp/dsa-connectors-old
1
0
Fork 0
mirror of https://github.com/Instadapp/dsa-connectors-old.git synced 2024-07-29 22:47:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

Updated fee connector

Browse Source
This commit is contained in:
Thrilok Kumar 2021-01-05 01:37:01 +05:30
parent b53d5bd12c
commit df38483b67
1 changed files with 38 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
contracts/connectors/fee.sol
View File

@ -13,6 +13,11 @@ contract DSMath {
require((z = x + y) >= x, "math-not-safe");
}
function sub(uint x, uint y) internal pure returns (uint z) {
require((z = x - y) <= x, "sub-overflow");
}
function mul(uint x, uint y) internal pure returns (uint z) {
require(y == 0 || (z = x * y) / y == x, "math-not-safe");
}
@ -49,7 +54,7 @@ contract Setup is DSMath {
* @dev Connector ID and Type
*/
function connectorID() public pure returns(uint _type, uint _id) {
(_type, _id) = (1, 67);
(_type, _id) = (1, 70);
}
}
@ -65,7 +70,13 @@ contract FeeResolver is Setup {
* @param setId Set total amount at this ID in `InstaMemory` Contract.
* @param setIdFee Set only fee amount at this ID in `InstaMemory` Contract.
*/
function calculateFee(uint amount, uint fee, uint getId, uint setId, uint setIdFee) external payable {
function calculateFee(
uint amount,
uint fee,
uint getId,
uint setId,
uint setIdFee
) external payable {
uint _amt = getUint(getId, amount);
uint feeAmt = wmul(_amt, fee);
@ -75,9 +86,33 @@ contract FeeResolver is Setup {
setUint(setId, totalAmt);
setUint(setIdFee, feeAmt);
}
/**
* @dev Calculate amount minus fee
* @param amount token amount to caculate fee.
* @param fee fee percentage. Eg: 1% => 1e17, 100% => 1e18.
* @param getId Get token amount at this ID from `InstaMemory` Contract.
* @param setIdAmtMinusFee Set amount minus fee amount at this ID in `InstaMemory` Contract.
* @param setIdFee Set only fee amount at this ID in `InstaMemory` Contract.
*/
function calculateAmtMinusFee(
uint amount,
uint fee,
uint getId,
uint setIdAmtMinusFee,
uint setIdFee
) external payable {
uint _amt = getUint(getId, amount);
uint feeAmt = wmul(_amt, fee);
uint amountMinusFee = sub(_amt, feeAmt);
setUint(setIdAmtMinusFee, amountMinusFee);
setUint(setIdFee, feeAmt);
}
}
contract ConnectFee is FeeResolver {
string public constant name = "Fee-v1";
string public constant name = "Fee-v1.1";
}