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Catch error in max senior ratio (#35)
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@sophialittlejohn
sophialittlejohn authored Aug 18, 2023
1 parent 665a449 commit 822d581
Showing 1 changed file with 84 additions and 80 deletions.
164 changes: 84 additions & 80 deletions tinlake-ui/utils/usePools.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -177,102 +177,106 @@ async function getPools(ipfsPools: IpfsPools): Promise<PoolsData> {
const capacityGivenMaxReservePerPool: { [key: string]: BN } = {}
const capacityGivenMaxDropRatioPerPool: { [key: string]: BN } = {}
Object.keys(multicallData).forEach((poolId: string) => {
const state = multicallData[poolId]
try {
const state = multicallData[poolId]

// Investments will reduce the creditline and therefore reduce the senior debt
const newUsedCreditline = state.unusedCreditline
? BN.max(
new BN(0),
(state.usedCreditline || new BN(0))
.sub(state.pendingSeniorInvestments)
.sub(state.pendingJuniorInvestments)
.add(state.pendingSeniorRedemptions)
.add(state.pendingJuniorRedemptions)
)
: new BN(0)
// Investments will reduce the creditline and therefore reduce the senior debt
const newUsedCreditline = state.unusedCreditline
? BN.max(
new BN(0),
(state.usedCreditline || new BN(0))
.sub(state.pendingSeniorInvestments)
.sub(state.pendingJuniorInvestments)
.add(state.pendingSeniorRedemptions)
.add(state.pendingJuniorRedemptions)
)
: new BN(0)

const newUnusedCreditline = state.unusedCreditline ? state.availableCreditline?.sub(newUsedCreditline) : new BN(0)
const newUnusedCreditline = state.unusedCreditline ? state.availableCreditline?.sub(newUsedCreditline) : new BN(0)

const newReserve = BN.max(
new BN(0),
state.reserve
.add(state.pendingSeniorInvestments)
.add(state.pendingJuniorInvestments)
.sub(state.pendingSeniorRedemptions)
.sub(state.pendingJuniorRedemptions)
.sub(newUsedCreditline)
)
const newReserve = BN.max(
new BN(0),
state.reserve
.add(state.pendingSeniorInvestments)
.add(state.pendingJuniorInvestments)
.sub(state.pendingSeniorRedemptions)
.sub(state.pendingJuniorRedemptions)
.sub(newUsedCreditline)
)

// console.log(poolId)
// console.log(
// `newReserve: ${parseFloat(state.reserve.toString()) / 10 ** 24}M + ${
// parseFloat(state.pendingSeniorInvestments.toString()) / 10 ** 24
// }M + ${parseFloat(state.pendingJuniorInvestments.toString()) / 10 ** 24}M - ${
// parseFloat(state.pendingSeniorRedemptions.toString()) / 10 ** 24
// }M - ${parseFloat(state.pendingJuniorRedemptions.toString()) / 10 ** 24}M`
// )
// console.log(poolId)
// console.log(
// `newReserve: ${parseFloat(state.reserve.toString()) / 10 ** 24}M + ${
// parseFloat(state.pendingSeniorInvestments.toString()) / 10 ** 24
// }M + ${parseFloat(state.pendingJuniorInvestments.toString()) / 10 ** 24}M - ${
// parseFloat(state.pendingSeniorRedemptions.toString()) / 10 ** 24
// }M - ${parseFloat(state.pendingJuniorRedemptions.toString()) / 10 ** 24}M`
// )

// console.log(
// ` - capacityGivenMaxReserve: ${parseFloat(state.maxReserve.toString()) / 10 ** 24}M - ${
// parseFloat(newReserve.toString()) / 10 ** 24
// }M- ${parseFloat((newUnusedCreditline || new BN(0)).toString()) / 10 ** 24}M`
// )
// console.log(
// ` - capacityGivenMaxReserve: ${parseFloat(state.maxReserve.toString()) / 10 ** 24}M - ${
// parseFloat(newReserve.toString()) / 10 ** 24
// }M- ${parseFloat((newUnusedCreditline || new BN(0)).toString()) / 10 ** 24}M`
// )

const capacityGivenMaxReserve = BN.max(
new BN(0),
state.maxReserve.sub(newReserve).sub(newUnusedCreditline || new BN(0))
)
const capacityGivenMaxReserve = BN.max(
new BN(0),
state.maxReserve.sub(newReserve).sub(newUnusedCreditline || new BN(0))
)

// senior debt is reduced by any increase in the used creditline or increased by any decrease in the used creditline
const newSeniorDebt = (state.usedCreditline || new BN(0)).gt(newUsedCreditline)
? state.seniorDebt.sub((state.usedCreditline || new BN(0)).sub(newUsedCreditline))
: state.seniorDebt.add(newUsedCreditline.sub(state.usedCreditline || new BN(0)))
// senior debt is reduced by any increase in the used creditline or increased by any decrease in the used creditline
const newSeniorDebt = (state.usedCreditline || new BN(0)).gt(newUsedCreditline)
? state.seniorDebt.sub((state.usedCreditline || new BN(0)).sub(newUsedCreditline))
: state.seniorDebt.add(newUsedCreditline.sub(state.usedCreditline || new BN(0)))

// TODO: the change in senior balance should be multiplied by the mat here
const newSeniorBalance = (state.usedCreditline || new BN(0)).gt(newUsedCreditline)
? state.seniorBalance.sub((state.usedCreditline || new BN(0)).sub(newUsedCreditline))
: state.seniorBalance.add(newUsedCreditline.sub(state.usedCreditline || new BN(0)))
// TODO: the change in senior balance should be multiplied by the mat here
const newSeniorBalance = (state.usedCreditline || new BN(0)).gt(newUsedCreditline)
? state.seniorBalance.sub((state.usedCreditline || new BN(0)).sub(newUsedCreditline))
: state.seniorBalance.add(newUsedCreditline.sub(state.usedCreditline || new BN(0)))

// console.log(` - oldSeniorDebt: ${parseFloat(state.seniorDebt.toString()) / 10 ** 24}M `)
// console.log(` - newSeniorDebt: ${parseFloat(newSeniorDebt.toString()) / 10 ** 24}M `)
// console.log(` - oldSeniorBalance: ${parseFloat(state.seniorBalance.toString()) / 10 ** 24}M `)
// console.log(` - newSeniorBalance: ${parseFloat(newSeniorBalance.toString()) / 10 ** 24}M `)
// console.log(` - oldSeniorDebt: ${parseFloat(state.seniorDebt.toString()) / 10 ** 24}M `)
// console.log(` - newSeniorDebt: ${parseFloat(newSeniorDebt.toString()) / 10 ** 24}M `)
// console.log(` - oldSeniorBalance: ${parseFloat(state.seniorBalance.toString()) / 10 ** 24}M `)
// console.log(` - newSeniorBalance: ${parseFloat(newSeniorBalance.toString()) / 10 ** 24}M `)

const newSeniorAsset = newSeniorDebt
.add(newSeniorBalance)
.add(state.pendingSeniorInvestments)
.sub(state.pendingSeniorRedemptions)
const newSeniorAsset = newSeniorDebt
.add(newSeniorBalance)
.add(state.pendingSeniorInvestments)
.sub(state.pendingSeniorRedemptions)

const newJuniorAsset = state.netAssetValue.add(newReserve).sub(newSeniorAsset)
const maxPoolSize = newJuniorAsset
.mul(Fixed27Base.mul(new BN(10).pow(new BN(6))).div(Fixed27Base.sub(state.maxSeniorRatio)))
.div(new BN(10).pow(new BN(6)))
const newJuniorAsset = state.netAssetValue.add(newReserve).sub(newSeniorAsset)
const maxPoolSize = newJuniorAsset
.mul(Fixed27Base.mul(new BN(10).pow(new BN(6))).div(Fixed27Base.sub(state.maxSeniorRatio)))
.div(new BN(10).pow(new BN(6)))

// console.log(` - newJuniorAsset: ${parseFloat(newJuniorAsset.toString()) / 10 ** 24}M `)
// console.log(
// ` - mul: ${Fixed27Base.mul(new BN(10).pow(new BN(6)))
// .div(Fixed27Base.sub(state.maxSeniorRatio))
// .toString()}`
// )
// console.log(` - maxPoolSize: ${parseFloat(maxPoolSize.toString()) / 10 ** 24}M `)
// console.log(` - newJuniorAsset: ${parseFloat(newJuniorAsset.toString()) / 10 ** 24}M `)
// console.log(
// ` - mul: ${Fixed27Base.mul(new BN(10).pow(new BN(6)))
// .div(Fixed27Base.sub(state.maxSeniorRatio))
// .toString()}`
// )
// console.log(` - maxPoolSize: ${parseFloat(maxPoolSize.toString()) / 10 ** 24}M `)

const maxSeniorAsset = maxPoolSize.sub(newJuniorAsset)
const maxSeniorAsset = maxPoolSize.sub(newJuniorAsset)

const capacityGivenMaxDropRatio = BN.max(new BN(0), maxSeniorAsset.sub(newSeniorAsset))
const capacityGivenMaxDropRatio = BN.max(new BN(0), maxSeniorAsset.sub(newSeniorAsset))

// console.log(
// ` - capacityGivenMaxDropRatioPerPool: ${parseFloat(state.maxSeniorRatio.toString()) / 10 ** 27}% * (${
// parseFloat(state.netAssetValue.toString()) / 10 ** 24
// }M + ${parseFloat(newReserve.toString()) / 10 ** 24}M) - ${
// parseFloat(newSeniorAsset.toString()) / 10 ** 24
// }M`
// )
// console.log('\n\n')
// console.log('\n\n')
// console.log(
// ` - capacityGivenMaxDropRatioPerPool: ${parseFloat(state.maxSeniorRatio.toString()) / 10 ** 27}% * (${
// parseFloat(state.netAssetValue.toString()) / 10 ** 24
// }M + ${parseFloat(newReserve.toString()) / 10 ** 24}M) - ${
// parseFloat(newSeniorAsset.toString()) / 10 ** 24
// }M`
// )
// console.log('\n\n')
// console.log('\n\n')

capacityPerPool[poolId] = BN.min(capacityGivenMaxReserve, capacityGivenMaxDropRatio)
capacityGivenMaxReservePerPool[poolId] = capacityGivenMaxReserve
capacityGivenMaxDropRatioPerPool[poolId] = capacityGivenMaxDropRatio
capacityPerPool[poolId] = BN.min(capacityGivenMaxReserve, capacityGivenMaxDropRatio)
capacityGivenMaxReservePerPool[poolId] = capacityGivenMaxReserve
capacityGivenMaxDropRatioPerPool[poolId] = capacityGivenMaxDropRatio
} catch (e) {
console.log(e)
}
})

const poolsWithCapacity = poolsData.pools.map((pool: PoolData) => {
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