Maker omni

packages/dma-library/src/index.ts

@@ -55,5 +55,6 @@ export type {
 } from './types/ajna'
 export { AjnaEarnPosition, AjnaPosition } from './types/ajna'
 export * from './types/cumulatives'
+export { MakerPosition } from './types/maker'
 export { MorphoBluePosition } from './types/morphoblue'
 export { Network } from '@deploy-configurations/types/network'

packages/dma-library/src/types/index.ts

@@ -16,6 +16,7 @@ import {
 } from './ajna'
 import type { Strategy } from './common'
 import { FlashloanProvider } from './common'
+import { MakerPosition } from './maker'
 import { MorphoBlueMarket, MorphoBluePosition } from './morphoblue'
 import type {
   IOperation,
@@ -123,6 +124,8 @@ export type { Swap }
 export { MorphoBluePosition }
 export type { MorphoBlueMarket }
 
+export { MakerPosition }
+
 export type {
   Erc4626CommonDependencies,
   Erc4626DepositPayload,

packages/dma-library/src/types/maker/index.ts

@@ -0,0 +1 @@
+export { MakerPosition } from './maker-position'

packages/dma-library/src/types/maker/maker-position.ts

@@ -0,0 +1,191 @@
+import { Address } from '@deploy-configurations/types/address'
+import { ONE, ZERO } from '@dma-common/constants'
+import { negativeToZero, normalizeValue } from '@dma-common/utils/common'
+import { LendingPosition } from '@dma-library/types/morphoblue/morphoblue-position'
+import { getBuyingPower } from '@dma-library/views/common'
+import { MorphoCumulativesData } from '@dma-library/views/morpho'
+import { RiskRatio } from '@domain'
+import { BigNumber } from 'bignumber.js'
+
+export class MakerPosition implements LendingPosition {
+  constructor(
+    public owner: Address,
+    public collateralAmount: BigNumber,
+    public debtAmount: BigNumber,
+    public marketCollateralPrice: BigNumber,
+    public osmCurrentCollateralPrice: BigNumber,
+    public osmNextCollateralPrice: BigNumber,
+    public debtPrice: BigNumber,
+    // collateral / debt
+    public price: BigNumber,
+    public rate: BigNumber,
+    public pnl: {
+      withFees: BigNumber
+      withoutFees: BigNumber
+      cumulatives: MorphoCumulativesData
+    },
+    public liquidationRatio: BigNumber,
+    public penalty: BigNumber,
+  ) {}
+
+  get liquidationPrice() {
+    return normalizeValue(
+      ONE.div(this.collateralAmount.times(this.maxRiskRatio.loanToValue).div(this.debtAmount)),
+    )
+  }
+
+  get marketPrice() {
+    return this.price
+  }
+
+  get liquidationToMarketPrice() {
+    return this.liquidationPrice.div(this.marketPrice)
+  }
+
+  // How much collateral can we withdraw to not get liquidated, (to get to the verge of liquidation)
+  get collateralAvailable() {
+    const collateralAvailable = this.collateralAmount.minus(
+      this.debtAmount.div(this.maxRiskRatio.loanToValue).div(this.price),
+    )
+
+    return negativeToZero(normalizeValue(collateralAvailable))
+  }
+
+  get riskRatio() {
+    const loanToValue = this.debtAmount.div(this.collateralAmount.times(this.price))
+
+    return new RiskRatio(normalizeValue(loanToValue), RiskRatio.TYPE.LTV)
+  }
+
+  get maxRiskRatio() {
+    return new RiskRatio(normalizeValue(this.liquidationRatio), RiskRatio.TYPE.LTV)
+  }
+
+  get borrowRate(): BigNumber {
+    return this.rate
+  }
+
+  get netValue(): BigNumber {
+    return this.collateralAmount
+      .times(this.osmCurrentCollateralPrice)
+      .minus(this.debtAmount.times(this.debtPrice))
+  }
+
+  get minRiskRatio() {
+    return new RiskRatio(normalizeValue(ZERO), RiskRatio.TYPE.LTV)
+  }
+
+  get buyingPower() {
+    return getBuyingPower({
+      netValue: this.netValue,
+      collateralPrice: this.osmCurrentCollateralPrice,
+      marketPrice: this.marketPrice,
+      debtAmount: this.debtAmount,
+      maxRiskRatio: this.maxRiskRatio,
+    })
+  }
+
+  get liquidationPenalty() {
+    return this.penalty
+  }
+
+  debtAvailable(collateralAmount?: BigNumber, debtAmount?: BigNumber) {
+    return negativeToZero(
+      normalizeValue(
+        this.maxRiskRatio.loanToValue
+          .times(this.marketPrice)
+          .times(collateralAmount || this.collateralAmount)
+          .minus(debtAmount || this.debtAmount),
+      ),
+    )
+  }
+
+  deposit(collateralAmount: BigNumber) {
+    const newCollateralAmount = negativeToZero(this.collateralAmount.plus(collateralAmount))
+    return new MakerPosition(
+      this.owner,
+      newCollateralAmount,
+      this.debtAmount,
+      this.marketCollateralPrice,
+      this.osmCurrentCollateralPrice,
+      this.osmNextCollateralPrice,
+      this.debtPrice,
+      this.price,
+      this.rate,
+      this.pnl,
+      this.liquidationRatio,
+      this.penalty,
+    )
+  }
+
+  withdraw(collateralAmount: BigNumber) {
+    const newCollateralAmount = negativeToZero(this.collateralAmount.minus(collateralAmount))
+    return new MakerPosition(
+      this.owner,
+      newCollateralAmount,
+      this.debtAmount,
+      this.marketCollateralPrice,
+      this.osmCurrentCollateralPrice,
+      this.osmNextCollateralPrice,
+      this.debtPrice,
+      this.price,
+      this.rate,
+      this.pnl,
+      this.liquidationRatio,
+      this.penalty,
+    )
+  }
+
+  borrow(quoteAmount: BigNumber): MakerPosition {
+    const newDebt = negativeToZero(this.debtAmount.plus(quoteAmount))
+    return new MakerPosition(
+      this.owner,
+      this.collateralAmount,
+      newDebt,
+      this.marketCollateralPrice,
+      this.osmCurrentCollateralPrice,
+      this.osmNextCollateralPrice,
+      this.debtPrice,
+      this.price,
+      this.rate,
+      this.pnl,
+      this.liquidationRatio,
+      this.penalty,
+    )
+  }
+
+  payback(quoteAmount: BigNumber): MakerPosition {
+    const newDebt = negativeToZero(this.debtAmount.minus(quoteAmount))
+    return new MakerPosition(
+      this.owner,
+      this.collateralAmount,
+      newDebt,
+      this.marketCollateralPrice,
+      this.osmCurrentCollateralPrice,
+      this.osmNextCollateralPrice,
+      this.debtPrice,
+      this.price,
+      this.rate,
+      this.pnl,
+      this.liquidationRatio,
+      this.penalty,
+    )
+  }
+
+  close(): MakerPosition {
+    return new MakerPosition(
+      this.owner,
+      ZERO,
+      ZERO,
+      this.marketCollateralPrice,
+      this.osmCurrentCollateralPrice,
+      this.osmNextCollateralPrice,
+      this.debtPrice,
+      this.price,
+      this.rate,
+      this.pnl,
+      this.liquidationRatio,
+      this.penalty,
+    )
+  }
+}

packages/dma-library/src/views/index.ts

@@ -1,4 +1,5 @@
 import { AaveVersion } from '@dma-library/types/aave'
+import { getMakerPosition } from '@dma-library/views/maker'
 
 import {
   AaveView,
@@ -53,6 +54,10 @@ const ajna = {
 const morpho = {
   getPosition: getMorphoPosition,
 }
+
+const maker = {
+  getPosition: getMakerPosition,
+}
 const common = {
   getErc4626Position: getErc4626Position,
 }
@@ -61,6 +66,7 @@ const views = {
   aave,
   spark,
   sparkOmni,
+  maker,
   morpho,
   common,
 }

packages/dma-library/src/views/maker/index.ts

@@ -0,0 +1,140 @@
+import { ZERO } from '@dma-common/constants'
+// import { LendingCumulativesData } from '@dma-library/types'
+import { MakerPosition } from '@dma-library/types/maker/maker-position'
+// import { GetCumulativesData } from '@dma-library/views'
+import { BigNumber } from 'bignumber.js'
+// import { ethers } from 'ethers'
+
+interface Args {
+  proxyAddress: string
+  marketCollateralPriceUSD: BigNumber
+  osmCurrentCollateralPriceUSD: BigNumber
+  osmNextCollateralPriceUSD: BigNumber
+  quotePriceUSD: BigNumber
+  collateralPrecision: number
+  quotePrecision: number
+  marketId: string
+}
+
+// export type MakerCumulativesData = LendingCumulativesData
+
+interface Dependencies {
+  // provider: ethers.providers.Provider
+  getPosition: () => Promise<any>
+  // getCumulatives: GetCumulativesData<MakerCumulativesData>
+}
+
+export async function getMakerPosition(
+  {
+    proxyAddress,
+    marketCollateralPriceUSD,
+    osmCurrentCollateralPriceUSD,
+    osmNextCollateralPriceUSD,
+    quotePriceUSD,
+  }: Args,
+  { getPosition }: Dependencies,
+): Promise<MakerPosition> {
+  const position = await getPosition()
+
+  // const morpho = new ethers.Contract(morphoAddress, morphoAbi, provider) as any as Morpho
+
+  // const marketParams = await morpho.idToMarketParams(marketId)
+  // const market = await morpho.market(marketId)
+  // const positionParams = await morpho.position(marketId, proxyAddress)
+
+  // const totals = {
+  //   totalSupplyAssets: new BigNumber(market.totalSupplyAssets.toString()).div(
+  //     TEN.pow(quotePrecision),
+  //   ),
+  //   totalSupplyShares: new BigNumber(market.totalSupplyShares.toString()).div(TEN.pow(24)),
+  //   totalBorrowAssets: new BigNumber(market.totalBorrowAssets.toString()).div(
+  //     TEN.pow(quotePrecision),
+  //   ),
+  //   totalBorrowShares: new BigNumber(market.totalBorrowShares.toString()).div(TEN.pow(24)),
+  // }
+  //
+  // const oracle = new ethers.Contract(marketParams.oracle, oracleAbi, provider) as any as Oracle
+  // const irm = new ethers.Contract(marketParams.irm, irmAbi, provider) as any as Irm
+  //
+  // const price = await oracle.price()
+  // const rate = await irm.borrowRateView(marketParams, market)
+  //
+  // const apy = getMarketRate(rate.toString())
+  //
+  // const debtAmount = toAssetsDown(
+  //   new BigNumber(positionParams.borrowShares.toString()),
+  //   new BigNumber(market.totalBorrowAssets.toString()),
+  //   new BigNumber(market.totalBorrowShares.toString()),
+  // )
+  //   .integerValue()
+  //   .div(TEN.pow(quotePrecision))
+  // const collateralAmount = new BigNumber(positionParams.collateral.toString()).div(
+  //   TEN.pow(collateralPrecision),
+  // )
+  //
+  // const cumulatives = await getCumulatives(proxyAddress, marketId)
+  //
+  // const {
+  //   borrowCumulativeWithdrawInCollateralToken,
+  //   borrowCumulativeDepositInCollateralToken,
+  //   borrowCumulativeFeesInCollateralToken,
+  // } = cumulatives
+  //
+  // const netValue = collateralAmount.times(collateralPriceUSD).minus(debtAmount.times(quotePriceUSD))
+  //
+  // const pnl = {
+  //   withFees: normalizeValue(
+  //     borrowCumulativeWithdrawInCollateralToken
+  //       .plus(netValue.div(collateralPriceUSD))
+  //       .minus(borrowCumulativeDepositInCollateralToken)
+  //       .minus(borrowCumulativeFeesInCollateralToken)
+  //       .div(borrowCumulativeDepositInCollateralToken),
+  //   ),
+  //   withoutFees: normalizeValue(
+  //     borrowCumulativeWithdrawInCollateralToken
+  //       .plus(netValue.div(collateralPriceUSD))
+  //       .minus(borrowCumulativeDepositInCollateralToken)
+  //       .div(borrowCumulativeDepositInCollateralToken),
+  //   ),
+  //   cumulatives,
+  // }
+
+  const collateralAmount = position.collateral ? new BigNumber(position.collateral) : ZERO
+  const debtAmount = position.normalizedDebt
+    ? new BigNumber(position.normalizedDebt).times(position.ilk.rate)
+    : ZERO
+  const rate = new BigNumber(Number(position.ilk.stabilityFee) - 1)
+
+  return new MakerPosition(
+    proxyAddress,
+    collateralAmount,
+    debtAmount,
+    marketCollateralPriceUSD,
+    osmCurrentCollateralPriceUSD,
+    osmNextCollateralPriceUSD,
+    quotePriceUSD,
+    osmCurrentCollateralPriceUSD.div(quotePriceUSD),
+    rate,
+    {
+      withFees: ZERO,
+      withoutFees: ZERO,
+      cumulatives: {
+        borrowCumulativeDepositUSD: ZERO,
+        borrowCumulativeDepositInQuoteToken: ZERO,
+        borrowCumulativeDepositInCollateralToken: ZERO,
+        borrowCumulativeWithdrawUSD: ZERO,
+        borrowCumulativeWithdrawInQuoteToken: ZERO,
+        borrowCumulativeWithdrawInCollateralToken: ZERO,
+        borrowCumulativeCollateralDeposit: ZERO,
+        borrowCumulativeCollateralWithdraw: ZERO,
+        borrowCumulativeDebtDeposit: ZERO,
+        borrowCumulativeDebtWithdraw: ZERO,
+        borrowCumulativeFeesUSD: ZERO,
+        borrowCumulativeFeesInQuoteToken: ZERO,
+        borrowCumulativeFeesInCollateralToken: ZERO,
+      },
+    },
+    new BigNumber(1 / (Number(position.ilk.liquidationRatio) / 10 ** 27)),
+    new BigNumber(Number(position.ilk.liquidationPenalty) - 1),
+  )
+}