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updated mcd read

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This commit is contained in:
Thrilok kumar 2019-11-09 17:42:43 +05:30
parent df52cd3e1c
commit f965461b96
1 changed files with 81 additions and 6 deletions
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87
contracts/Read/InstaMcdRead.sol
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@ -21,6 +21,25 @@ interface VatLike {
}
interface JugLike {
function ilks(bytes32) external view returns (uint, uint);
function base() external view returns (uint);
}
interface PotLike {
function dsr() external view returns (uint);
function pie(address) external view returns (uint);
function chi() external view returns (uint);
}
interface SpotLike {
function ilks(bytes32) external view returns (PipLike, uint);
}
interface PipLike {
function peek() external view returns (bytes32, bool);
}
contract DSMath {
@ -67,6 +86,9 @@ contract Helpers is DSMath {
uint ink;
uint art;
uint debt;
uint stabiltyRate;
uint price;
uint liqRatio;
address urn;
}
@ -74,14 +96,40 @@ contract Helpers is DSMath {
contract McdResolver is Helpers {
function getCdpsByAddress(address manager, address cdpManger, address owner) external view returns (CdpData[] memory) {
function getIlkData(address manager, bytes32 ilk) external view returns (uint rate) {
(,rate,,,) = VatLike(ManagerLike(manager).vat()).ilks(ilk);
}
function getDsr(address pot) external view returns (uint dsr) {
dsr = PotLike(pot).dsr();
}
function getDaiDeposited(address pot, address owner) external view returns (uint amt) {
uint chi = PotLike(pot).chi();
uint pie = PotLike(pot).pie(owner);
amt = rmul(pie,chi);
}
function getCdpsByAddress(
address manager,
address cdpManger,
address jug,
address spot,
address owner
) external view returns (CdpData[] memory)
{
(uint[] memory ids, address[] memory urns, bytes32[] memory ilks) = CdpsLike(cdpManger).getCdpsAsc(manager, owner);
CdpData[] memory cdps = new CdpData[](ids.length);
for (uint i = 0; i < ids.length; i++) {
(uint ink, uint art) = VatLike(ManagerLike(manager).vat()).urns(ilks[i], urns[i]);
(,uint rate,,,) = VatLike(ManagerLike(manager).vat()).ilks(ilks[i]);
(,uint rate, uint priceMargin,,) = VatLike(ManagerLike(manager).vat()).ilks(ilks[i]);
uint mat = getIlkRatio(spot, ilks[i]);
uint debt = rmul(art,rate);
uint price = rmul(priceMargin, mat);
uint feeRate = getFee(jug, ilks[i]);
cdps[i] = CdpData(
ids[i],
owner,
@ -89,21 +137,34 @@ contract McdResolver is Helpers {
ink,
art,
debt,
feeRate,
price,
mat,
urns[i]
);
}
return cdps;
}
function getCdpsById(address manager, uint id) external view returns (CdpData memory) {
function getCdpsById(
address manager,
address jug,
address spot,
uint id
) external view returns (CdpData memory)
{
address urn = ManagerLike(manager).urns(id);
bytes32 ilk = ManagerLike(manager).ilks(id);
address owner = ManagerLike(manager).owns(id);
(uint ink, uint art) = VatLike(ManagerLike(manager).vat()).urns(ilk, urn);
(,uint rate,,,) = VatLike(ManagerLike(manager).vat()).ilks(ilk);
(,uint rate, uint priceMargin,,) = VatLike(ManagerLike(manager).vat()).ilks(ilk);
uint debt = rmul(art,rate);
uint mat = getIlkRatio(spot, ilk);
uint price = rmul(priceMargin, mat);
uint feeRate = getFee(jug, ilk);
CdpData memory cdp = CdpData(
id,
owner,
@ -111,13 +172,27 @@ contract McdResolver is Helpers {
ink,
art,
debt,
feeRate,
price,
mat,
urn
);
return cdp;
}
function getIlkData(address manager, bytes32 ilk) external view returns (uint rate) {
(,rate,,,) = VatLike(ManagerLike(manager).vat()).ilks(ilk);
function getFee(address jug, bytes32 ilk) public view returns (uint fee) {
(uint duty,) = JugLike(jug).ilks(ilk);
uint base = JugLike(jug).base();
fee = add(duty, base);
}
function getIlkPrice(address spot, address vat, bytes32 ilk) public view returns (uint price) {
(, uint mat) = SpotLike(spot).ilks(ilk);
(,,uint spotPrice,,) = VatLike(vat).ilks(ilk);
price = rmul(mat, spotPrice);
}
function getIlkRatio(address spot, bytes32 ilk) public view returns (uint ratio) {
(, ratio) = SpotLike(spot).ilks(ilk);
}
}