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feat: clean debt bridge connector and payable fns

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This commit is contained in:
gitpusha 2020-10-24 12:00:58 +02:00 committed by Luis Schliesske
parent 0b8ef845d9
commit a6107586d1
6 changed files with 118 additions and 114 deletions
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103
contracts/connectors/ConnectGelatoDebtBridgeFromMaker.sol
View File

@ -217,7 +217,7 @@ abstract contract GelatoHelpers is Helpers {
return 0x169E633A2D1E6c10dD91238Ba11c4A708dfEF37C;
}
function _getGasPrice() internal view returns (uint256) {
function _getGelatoGasPrice() internal view returns (uint256) {
return
uint256(
GelatoGasPriceOracle(_getGelatoGasPriceOracle()).latestAnswer()
@ -259,24 +259,20 @@ abstract contract MakerResolver is GelatoHelpers {
}
}
/// @title ConnectGelatoDebtBridgeFromMaker
/// @notice InstaDapp connector for full or partial refinancing of Maker debt positions.
/// @author Gelato Team
contract ConnectGelatoDebtBridgeFromMaker is MakerResolver {
using GelatoBytes for bytes;
// solhint-disable-next-line const-name-snakecase
string public constant override name = "GelatoDebtBridge-v1.0";
uint256 public constant GAS_LIMIT = 1933090 + (19331 * 2); // 1933080 + ~2% (Estimated Value)
uint256 public constant GAS_COST = 1933090 + (19331 * 2); // 1933080 + ~2% (Estimated Value)
constructor(uint256 _id) {
__id = _id;
}
/// @notice Get gas price from gelato Gas Price Oracle and multiply
/// this gas price by the estimated amount of needed for executing
/// the transaction
function _getFees() internal view returns (uint256 gasCost) {
gasCost = _mul(GAS_LIMIT, _getGasPrice());
}
/// @notice Saves Data to InstaMemory that can be used for DebtBridge Maker->Compound
/// @dev Use wad for colRatios. The user has no influence over setUint or getUint.
/// @param _vaultId The id of the makerDAO vault.
@ -288,7 +284,7 @@ contract ConnectGelatoDebtBridgeFromMaker is MakerResolver {
/// method e.g. the function selector of MakerOracle's read function.
// @param _getId Id for writting in instaMemory.
// @param _setId Id for loading from instaMemory.
function saveDebtBridgeDataToMemory(
function savePartialRefinanceDataToMemory(
uint256 _vaultId,
uint256 _wMinColRatioMaker, // should be in ray because maker use ray standard
uint256 _wMinColRatioB, // should be in wad because compound use wad standard
@ -296,10 +292,10 @@ contract ConnectGelatoDebtBridgeFromMaker is MakerResolver {
bytes calldata _oraclePayload,
uint256, /*_getId,*/
uint256 /*_setId*/
) public virtual {
) public payable virtual {
(
uint256 wDaiDebtToMove,
uint256 wCollateralToMove,
uint256 wColToWithdrawFromMaker,
uint256 gasFeesPaidFromCol
) = computeDebtBridge(
_vaultId,
@ -311,56 +307,35 @@ contract ConnectGelatoDebtBridgeFromMaker is MakerResolver {
_setInstaMemoryUints(
wDaiDebtToMove,
_add(wCollateralToMove, gasFeesPaidFromCol),
wCollateralToMove,
wDaiDebtToMove,
wColToWithdrawFromMaker,
_sub(wColToWithdrawFromMaker, gasFeesPaidFromCol), // _wColToDepositInB
gasFeesPaidFromCol
);
}
/// @notice Save in instaMemory the needed values for doing full refinancing between makerDAO and Compound.
/// @notice Stores payload for full refinancing from a Maker position in InstaMemory.
/// @param _vaultID The ID of the makerDAO vault.
// @param _getID Id for writting in instaMemory.
// @param _setID Id for loading from instaMemory.
function saveFullRefinanceFromMakerDataToMemory(
function saveFullRefinanceDataToMemory(
uint256 _vaultID,
uint256, /*_getId,*/
uint256 /*_setId*/
) external payable {
uint256 fees = _getFees(); // get Fees
uint256 paybackAmount = getMakerVaultDebt(_vaultID);
uint256 collateralToWithdraw = getMakerVaultCollateralBalance(_vaultID);
) public payable virtual {
uint256 wDaiDebtToMove = getMakerVaultDebt(_vaultID);
uint256 wColToWithdrawFromMaker = getMakerVaultCollateralBalance(
_vaultID
);
uint256 gasFeesPaidFromCol = _getGelatoProviderFees();
_setInstaMemoryUints(
paybackAmount,
collateralToWithdraw,
_sub(collateralToWithdraw, fees),
paybackAmount,
fees
wDaiDebtToMove,
wColToWithdrawFromMaker,
_sub(wColToWithdrawFromMaker, gasFeesPaidFromCol), // _wColToDepositInB
gasFeesPaidFromCol
);
}
/// @notice Internal function to store values in InstaMemory
/// @param _makerDebtRepaymentAmount payback maker && flashloan borrow amount
/// @param _makerCollaToWithdraw withdraw maker
/// @param _compoundDepositAmount deposit compound
/// @param _compoundDebtAmount borrow compound
/// @param _fees pay the Gelato Provider (TO DO: unsafe)
function _setInstaMemoryUints(
uint256 _makerDebtRepaymentAmount,
uint256 _makerCollaToWithdraw,
uint256 _compoundDepositAmount,
uint256 _compoundDebtAmount,
uint256 _fees
) internal {
setUint(600, _makerDebtRepaymentAmount); // borrow flashloan
setUint(601, _makerDebtRepaymentAmount); // payback maker
setUint(602, _makerCollaToWithdraw); // withdraw maker
setUint(603, _compoundDepositAmount); // deposit compound
setUint(604, _compoundDebtAmount); // borrow compound
setUint(605, _fees); // pay the provider
}
/// @notice Computes values needed for DebtBridge Maker->ProtocolB
/// @dev Use wad for colRatios.
/// @param _vaultId The id of the makerDAO vault.
@ -371,7 +346,7 @@ contract ConnectGelatoDebtBridgeFromMaker is MakerResolver {
/// @param _oraclePayload The data for making the staticcall to the oracle's read
/// method e.g. the function selector of MakerOracle's read function.
/// @return wDaiDebtToMove DAI Debt (wad) to: flashBorrow->repay Maker->withdraw from B->flashPayback.
/// @return wCollateralToMove (wad) to: withdraw from Maker and deposit on B.
/// @return wColToWithdrawFromMaker (wad) to: withdraw from Maker and deposit on B.
/// @return gasFeesPaidFromCol Gelato automation-gas-fees paid from user's collateral
// solhint-disable function-max-lines
function computeDebtBridge(
@ -386,7 +361,7 @@ contract ConnectGelatoDebtBridgeFromMaker is MakerResolver {
virtual
returns (
uint256 wDaiDebtToMove,
uint256 wCollateralToMove,
uint256 wColToWithdrawFromMaker,
uint256 gasFeesPaidFromCol
)
{
@ -408,8 +383,8 @@ contract ConnectGelatoDebtBridgeFromMaker is MakerResolver {
}
// TO DO: add fee mechanism for non-ETH collateral debt bridge
// uint256 gasFeesPaidFromCol = _mul(GAS_LIMIT, wmul(_getGasPrice(), latestPrice));
gasFeesPaidFromCol = _getFees();
// uint256 gasFeesPaidFromCol = _mul(GAS_COST, wmul(_getGelatoGasPrice(), latestPrice));
gasFeesPaidFromCol = _getGelatoProviderFees();
uint256 wPricedCol = wmul(
_sub(getMakerVaultCollateralBalance(_vaultId), gasFeesPaidFromCol),
@ -418,7 +393,7 @@ contract ConnectGelatoDebtBridgeFromMaker is MakerResolver {
uint256 wDaiDebtOnMaker = getMakerVaultDebt(_vaultId);
wCollateralToMove = wCalcCollateralToWithdraw(
wColToWithdrawFromMaker = wCalcCollateralToWithdraw(
_wMinColRatioMaker,
_wMinColRatioB,
wColPrice,
@ -499,4 +474,28 @@ contract ConnectGelatoDebtBridgeFromMaker is MakerResolver {
)
);
}
// _gasFeesPaidFromCol == _wColToWithdrawFromMaker - _wColToDepositInB
function _setInstaMemoryUints(
uint256 _wDaiDebtToMove,
uint256 _wColToWithdrawFromMaker,
uint256 _wColToDepositInB,
uint256 _gasFeesPaidFromCol
) internal virtual {
setUint(600, _wDaiDebtToMove); // borrow flashloan
setUint(601, _wDaiDebtToMove); // payback maker
setUint(602, _wColToWithdrawFromMaker); // withdraw maker
setUint(603, _wColToDepositInB); // deposit compound
setUint(604, _wDaiDebtToMove); // borrow compound
setUint(605, _gasFeesPaidFromCol); // pay the provider
}
function _getGelatoProviderFees()
internal
view
virtual
returns (uint256 gasCost)
{
gasCost = _mul(GAS_COST, _getGelatoGasPrice());
}
}

14
package.json
View File

@ -12,8 +12,8 @@
"lint": "eslint --cache . && yarn lint:sol",
"lint:sol": "solhint contracts/**/*.sol",
"lint:fix": "eslint --cache --fix . && solhint --fix contracts/**/*.sol",
"test": "npx hardhat test",
"debug": "DEBUG=true npx hardhat test"
"test": "yarn compile --force && npx hardhat test",
"debug": "DEBUG=true yarn compile --force && npx hardhat test"
},
"devDependencies": {
"@gelatonetwork/core": "1.0.0",
@ -21,13 +21,13 @@
"@nomiclabs/hardhat-waffle": "2.0.0",
"chai": "4.2.0",
"dotenv": "8.2.0",
"eslint": "7.10.0",
"eslint-config-prettier": "6.12.0",
"ethereum-waffle": "3.1.1",
"eslint": "7.12.0",
"eslint-config-prettier": "6.14.0",
"ethereum-waffle": "3.1.2",
"ethers": "5.0.19",
"hardhat": "2.0.0",
"hardhat": "2.0.1",
"husky": ">=4",
"lint-staged": ">=10",
"lint-staged": "10.4.2",
"prettier": "2.1.2",
"prettier-plugin-solidity": "1.0.0-alpha.59",
"solhint": "3.2.2",

2
test/2_Full-Debt-Bridge-Maker-Compound.test.js
View File

@ -139,7 +139,7 @@ describe("Full Debt Bridge refinancing loan from Maker to Compound", function ()
// Bots constatly check whether the submitted task is executable (by calling canExec)
// If the task becomes executable (returns "OK"), the "exec" function will be called
// which will execute the debt refinancing on behalf of the user
it("#2: Use Maker Compound refinancing if the maker vault become unsafe after a market move.", async function () {
it("#3: Use Maker Compound refinancing if the maker vault become unsafe after a market move.", async function () {
// Steps
// Step 1: Market Move against the user (Mock)
// Step 2: Executor execute the user's task

2
test/helpers/Full-Refinance-External-Provider.helper.js
View File

@ -478,7 +478,7 @@ class Helper {
addr: contracts.connectGelatoDebtBridgeFromMaker.address,
data: await hre.run("abi-encode-withselector", {
abi: ConnectGelatoDebtBridgeFromMakerABI,
functionname: "saveFullRefinanceFromMakerDataToMemory",
functionname: "saveFullRefinanceDataToMemory",
inputs: [vaultId, 0, 0],
}),
operation: GelatoCoreLib.Operation.Delegatecall,

2
test_temp/3_Partial-Refinance-External-Provider.test.js
View File

@ -541,7 +541,7 @@ describe("Debt Bridge with External Provider", function () {
addr: connectGelatoDebtBridgeFromMaker.address,
data: await hre.run("abi-encode-withselector", {
abi: ConnectGelatoDebtBridgeFromMakerABI,
functionname: "saveDebtBridgeDataToMemory",
functionname: "savePartialRefinanceDataToMemory",
inputs: [
vaultId,
MIN_COL_RATIO_MAKER,

109
yarn.lock
View File

@ -39,10 +39,10 @@
resolved "https://registry.yarnpkg.com/@ensdomains/resolver/-/resolver-0.2.4.tgz#c10fe28bf5efbf49bff4666d909aed0265efbc89"
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version "0.2.0"
resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-0.2.0.tgz#bc7e3c4304d4c8720968ccaee793087dfb5fe6b4"
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dependencies:
ajv "^6.12.4"
debug "^4.1.1"
@ -55,18 +55,18 @@
minimatch "^3.0.4"
strip-json-comments "^3.1.1"
"@ethereum-waffle/chai@^3.1.1":
version "3.1.1"
resolved "https://registry.yarnpkg.com/@ethereum-waffle/chai/-/chai-3.1.1.tgz#2d2594e19613cdee0eaa1a38fc8dac31f66460e6"
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resolved "https://registry.yarnpkg.com/@ethereum-waffle/chai/-/chai-3.1.2.tgz#f1a15085f6ab67397d1bfe89ec97938309f2d941"
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dependencies:
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"@ethereum-waffle/provider" "^3.1.2"
ethers "^5.0.0"
"@ethereum-waffle/compiler@^3.1.1":
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resolved "https://registry.yarnpkg.com/@ethereum-waffle/compiler/-/compiler-3.1.1.tgz#df3dba3c5dc556afe04f259e0789c16bc34333f5"
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"@ethereum-waffle/compiler@^3.1.2":
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resolved "https://registry.yarnpkg.com/@ethereum-waffle/compiler/-/compiler-3.1.2.tgz#4df177bc1c6b369061062514f166183181954abd"
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dependencies:
"@resolver-engine/imports" "^0.3.3"
"@resolver-engine/imports-fs" "^0.3.3"
@ -77,29 +77,29 @@
node-fetch "^2.6.0"
solc "^0.6.3"
"@ethereum-waffle/ens@^3.1.1":
version "3.1.1"
resolved "https://registry.yarnpkg.com/@ethereum-waffle/ens/-/ens-3.1.1.tgz#0e0d35ff8e10e871b7dfc81eef60e4345df8f610"
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dependencies:
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"@ensdomains/resolver" "^0.2.4"
ethers "^5.0.1"
"@ethereum-waffle/mock-contract@^3.1.1":
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dependencies:
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ethers "^5.0.1"
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resolved "https://registry.yarnpkg.com/@ethereum-waffle/provider/-/provider-3.1.1.tgz#74ac4f64a83f8d975d7e9e09f5b5f1ce8c794d19"
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dependencies:
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ethers "^5.0.1"
ganache-core "^2.10.2"
patch-package "^6.2.2"
@ -2843,10 +2843,10 @@ escape-string-regexp@^4.0.0:
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eslint-config-prettier@6.12.0:
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resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-6.12.0.tgz#9eb2bccff727db1c52104f0b49e87ea46605a0d2"
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eslint-config-prettier@6.14.0:
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dependencies:
get-stdin "^6.0.0"
@ -2885,13 +2885,18 @@ eslint-visitor-keys@^1.0.0, eslint-visitor-keys@^1.1.0, eslint-visitor-keys@^1.3
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eslint@7.12.0:
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dependencies:
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"@eslint/eslintrc" "^0.1.3"
"@eslint/eslintrc" "^0.2.0"
ajv "^6.10.0"
chalk "^4.0.0"
cross-spawn "^7.0.2"
@ -2900,7 +2905,7 @@ eslint@7.10.0:
enquirer "^2.3.5"
eslint-scope "^5.1.1"
eslint-utils "^2.1.0"
eslint-visitor-keys "^1.3.0"
eslint-visitor-keys "^2.0.0"
espree "^7.3.0"
esquery "^1.2.0"
esutils "^2.0.2"
@ -3209,15 +3214,15 @@ ethereum-cryptography@^0.1.2, ethereum-cryptography@^0.1.3:
secp256k1 "^4.0.1"
setimmediate "^1.0.5"
ethereum-waffle@3.1.1:
version "3.1.1"
resolved "https://registry.yarnpkg.com/ethereum-waffle/-/ethereum-waffle-3.1.1.tgz#2a63475104281dca1fd2ffed12ab8f6605219d51"
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ethereum-waffle@3.1.2:
version "3.1.2"
resolved "https://registry.yarnpkg.com/ethereum-waffle/-/ethereum-waffle-3.1.2.tgz#54ab4049d256185bb50de4e86328e521ea2ad816"
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dependencies:
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"@ethereum-waffle/compiler" "^3.1.1"
"@ethereum-waffle/mock-contract" "^3.1.1"
"@ethereum-waffle/provider" "^3.1.1"
"@ethereum-waffle/chai" "^3.1.2"
"@ethereum-waffle/compiler" "^3.1.2"
"@ethereum-waffle/mock-contract" "^3.1.2"
"@ethereum-waffle/provider" "^3.1.2"
ethers "^5.0.1"
ethereumjs-abi@0.6.5:
@ -4156,10 +4161,10 @@ har-validator@~5.1.3:
ajv "^6.12.3"
har-schema "^2.0.0"
hardhat@2.0.0:
version "2.0.0"
resolved "https://registry.yarnpkg.com/hardhat/-/hardhat-2.0.0.tgz#d2d5fcbcdbb9b6ec13e7c8e93706ddf0e5ac2a70"
integrity sha512-kwl4fTn5jU4n3rlT1PucKETZ6qWzZiGgcUAqoqLc2ZADbcm1N9KUCbKzleidvgn+gTYcvVkhPTskkU2Yop6Lag==
hardhat@2.0.1:
version "2.0.1"
resolved "https://registry.yarnpkg.com/hardhat/-/hardhat-2.0.1.tgz#2e7d1815654406199b88b31da9c2d2763e8f5577"
integrity sha512-9g67OkehLgHLgfqqbdR+FANshTUvFM3yuJr06ZScNErsvrdiLHpQ/Jbkd6rRiXjYovN/SMu4YZrhNEm62b7boA==
dependencies:
"@nomiclabs/ethereumjs-vm" "^4.1.1"
"@sentry/node" "^5.18.1"
@ -5206,10 +5211,10 @@ lines-and-columns@^1.1.6:
resolved "https://registry.yarnpkg.com/lines-and-columns/-/lines-and-columns-1.1.6.tgz#1c00c743b433cd0a4e80758f7b64a57440d9ff00"
integrity sha1-HADHQ7QzzQpOgHWPe2SldEDZ/wA=
lint-staged@>=10:
version "10.4.0"
resolved "https://registry.yarnpkg.com/lint-staged/-/lint-staged-10.4.0.tgz#d18628f737328e0bbbf87d183f4020930e9a984e"
integrity sha512-uaiX4U5yERUSiIEQc329vhCTDDwUcSvKdRLsNomkYLRzijk3v8V9GWm2Nz0RMVB87VcuzLvtgy6OsjoH++QHIg==
lint-staged@10.4.2:
version "10.4.2"
resolved "https://registry.yarnpkg.com/lint-staged/-/lint-staged-10.4.2.tgz#9fee4635c4b5ddb845746f237c6d43494ccd21c1"
integrity sha512-OLCA9K1hS+Sl179SO6kX0JtnsaKj/MZalEhUj5yAgXsb63qPI/Gfn6Ua1KuZdbfkZNEu3/n5C/obYCu70IMt9g==
dependencies:
chalk "^4.1.0"
cli-truncate "^2.1.0"