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fix: use collateral type in cdp simulations (#632)

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Kevin Davis 2020-08-21 17:38:12 -04:00 committed by GitHub
parent daa1b2bb83
commit 2a3192fa0e
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 6 deletions
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12
x/cdp/simulation/operations.go
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@ -78,7 +78,7 @@ func SimulateMsgCdp(ak types.AccountKeeper, k keeper.Keeper, pfk types.Pricefeed
} }
spendableCoins = spendableCoins.Sub(fees) spendableCoins = spendableCoins.Sub(fees)
existingCDP, found := k.GetCdpByOwnerAndCollateralType(ctx, acc.GetAddress(), randCollateralParam.Denom) existingCDP, found := k.GetCdpByOwnerAndCollateralType(ctx, acc.GetAddress(), randCollateralParam.Type)
if !found { if !found {
// calculate the minimum amount of collateral that is needed to create a cdp with the debt floor amount of debt and the minimum liquidation ratio // calculate the minimum amount of collateral that is needed to create a cdp with the debt floor amount of debt and the minimum liquidation ratio
// (debtFloor * liquidationRatio)/priceShifted // (debtFloor * liquidationRatio)/priceShifted
@ -135,7 +135,7 @@ func SimulateMsgCdp(ak types.AccountKeeper, k keeper.Keeper, pfk types.Pricefeed
// close 25% of the time // close 25% of the time
if canClose(spendableCoins, existingCDP, debtParam.Denom) && shouldClose(r) { if canClose(spendableCoins, existingCDP, debtParam.Denom) && shouldClose(r) {
repaymentAmount := spendableCoins.AmountOf(debtParam.Denom) repaymentAmount := spendableCoins.AmountOf(debtParam.Denom)
msg := types.NewMsgRepayDebt(acc.GetAddress(), randCollateralParam.Denom, sdk.NewCoin(debtParam.Denom, repaymentAmount)) msg := types.NewMsgRepayDebt(acc.GetAddress(), randCollateralParam.Type, sdk.NewCoin(debtParam.Denom, repaymentAmount))
tx := helpers.GenTx( tx := helpers.GenTx(
[]sdk.Msg{msg}, []sdk.Msg{msg},
@ -182,7 +182,7 @@ func SimulateMsgCdp(ak types.AccountKeeper, k keeper.Keeper, pfk types.Pricefeed
if shouldDraw(r) { if shouldDraw(r) {
collateralShifted := ShiftDec(sdk.NewDecFromInt(existingCDP.Collateral.Amount), randCollateralParam.ConversionFactor.Neg()) collateralShifted := ShiftDec(sdk.NewDecFromInt(existingCDP.Collateral.Amount), randCollateralParam.ConversionFactor.Neg())
collateralValue := collateralShifted.Mul(priceShifted) collateralValue := collateralShifted.Mul(priceShifted)
newFeesAccumulated := k.CalculateFees(ctx, existingCDP.Principal, sdk.NewInt(ctx.BlockTime().Unix()-existingCDP.FeesUpdated.Unix()), randCollateralParam.Denom).Amount newFeesAccumulated := k.CalculateFees(ctx, existingCDP.Principal, sdk.NewInt(ctx.BlockTime().Unix()-existingCDP.FeesUpdated.Unix()), randCollateralParam.Type).Amount
totalFees := existingCDP.AccumulatedFees.Amount.Add(newFeesAccumulated) totalFees := existingCDP.AccumulatedFees.Amount.Add(newFeesAccumulated)
// given the current collateral value, calculate how much debt we could add while maintaining a valid liquidation ratio // given the current collateral value, calculate how much debt we could add while maintaining a valid liquidation ratio
debt := existingCDP.Principal.Amount.Add(totalFees) debt := existingCDP.Principal.Amount.Add(totalFees)
@ -193,7 +193,7 @@ func SimulateMsgCdp(ak types.AccountKeeper, k keeper.Keeper, pfk types.Pricefeed
return simulation.NewOperationMsgBasic(types.ModuleName, "no-operation", "cdp debt maxed out, cannot draw more debt", false, nil), nil, nil return simulation.NewOperationMsgBasic(types.ModuleName, "no-operation", "cdp debt maxed out, cannot draw more debt", false, nil), nil, nil
} }
// check if the debt limit has been reached // check if the debt limit has been reached
availableAssetDebt := randCollateralParam.DebtLimit.Amount.Sub(k.GetTotalPrincipal(ctx, randCollateralParam.Denom, debtParam.Denom)) availableAssetDebt := randCollateralParam.DebtLimit.Amount.Sub(k.GetTotalPrincipal(ctx, randCollateralParam.Type, debtParam.Denom))
if availableAssetDebt.LTE(sdk.OneInt()) { if availableAssetDebt.LTE(sdk.OneInt()) {
// debt limit has been reached // debt limit has been reached
return simulation.NewOperationMsgBasic(types.ModuleName, "no-operation", "debt limit reached, cannot draw more debt", false, nil), nil, nil return simulation.NewOperationMsgBasic(types.ModuleName, "no-operation", "debt limit reached, cannot draw more debt", false, nil), nil, nil
@ -201,7 +201,7 @@ func SimulateMsgCdp(ak types.AccountKeeper, k keeper.Keeper, pfk types.Pricefeed
maxDraw := sdk.MinInt(maxDebt, availableAssetDebt) maxDraw := sdk.MinInt(maxDebt, availableAssetDebt)
randDrawAmount := sdk.NewInt(int64(simulation.RandIntBetween(r, 1, int(maxDraw.Int64())))) randDrawAmount := sdk.NewInt(int64(simulation.RandIntBetween(r, 1, int(maxDraw.Int64()))))
msg := types.NewMsgDrawDebt(acc.GetAddress(), randCollateralParam.Denom, sdk.NewCoin(debtParam.Denom, randDrawAmount)) msg := types.NewMsgDrawDebt(acc.GetAddress(), randCollateralParam.Type, sdk.NewCoin(debtParam.Denom, randDrawAmount))
tx := helpers.GenTx( tx := helpers.GenTx(
[]sdk.Msg{msg}, []sdk.Msg{msg},
@ -240,7 +240,7 @@ func SimulateMsgCdp(ak types.AccountKeeper, k keeper.Keeper, pfk types.Pricefeed
randRepayAmount = sdk.NewInt(int64(simulation.RandIntBetween(r, 1, int(maxRepay.Int64())))) randRepayAmount = sdk.NewInt(int64(simulation.RandIntBetween(r, 1, int(maxRepay.Int64()))))
} }
msg := types.NewMsgRepayDebt(acc.GetAddress(), randCollateralParam.Denom, sdk.NewCoin(debtParam.Denom, randRepayAmount)) msg := types.NewMsgRepayDebt(acc.GetAddress(), randCollateralParam.Type, sdk.NewCoin(debtParam.Denom, randRepayAmount))
tx := helpers.GenTx( tx := helpers.GenTx(
[]sdk.Msg{msg}, []sdk.Msg{msg},