Tinlake additions (#254)

* feat: track tinlake totals * feat: track wa interest rate * feat: track counts * fix: one type * fix: default values and divide by 0 --------- Co-authored-by: Adam Stox <[email protected]>
centrifuge · Oct 31, 2024 · 7401c59 · 7401c59
1 parent 9ec23c4
commit 7401c59
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Showing 3 changed files with 49 additions and 9 deletions.
diff --git a/chains-evm/eth/centrifuge.yaml b/chains-evm/eth/centrifuge.yaml
@@ -4,15 +4,18 @@ network:
   #dictionary: 'https://gx.api.subquery.network/sq/subquery/eth-dictionary'
 dataSources:
   - kind: ethereum/Runtime #PoolManager V1
-    startBlock: 18721030
+    startBlock: 20778999
+    # startBlock: 18721030
     options:
       address: '0x78E9e622A57f70F1E0Ec652A4931E4e278e58142'
   - kind: ethereum/Runtime #PoolManager V2
-    startBlock: 20432390
+    startBlock: 20778999
+    # startBlock: 20432390
     options:
       address: '0x91808B5E2F6d7483D41A681034D7c9DbB64B9E29'
   - kind: ethereum/Runtime #Tinlake
-    startBlock: 11063000
+    startBlock: 20778999
+    # startBlock: 11063000
     options:
       abi: navFeed
     assets:

diff --git a/schema.graphql b/schema.graphql
@@ -55,6 +55,8 @@ type Pool @entity {
 
   availableReserve: BigInt
   maxReserve: BigInt
+
+  weightedAverageInterestRatePerSec: BigInt
 
   # Aggregated transaction data over the last period
   sumBorrowedAmountByPeriod: BigInt
@@ -96,6 +98,9 @@ type Pool @entity {
   sumUnscheduledRepaidAmount: BigInt
   sumNumberOfAssets: BigInt
 
+  sumBorrowsCount: BigInt
+  sumRepaysCount: BigInt
+
   tranches: [Tranche] @derivedFrom(field: "pool")
   assets: [Asset] @derivedFrom(field: "pool")
 }
@@ -121,6 +126,8 @@ type PoolSnapshot @entity {
   availableReserve: BigInt
   maxReserve: BigInt
 
+  weightedAverageInterestRatePerSec: BigInt
+
   # Aggregated transaction data over the last period
   sumBorrowedAmountByPeriod: BigInt
   sumRepaidAmountByPeriod: BigInt
@@ -160,6 +167,9 @@ type PoolSnapshot @entity {
   sumInterestRepaidAmount: BigInt
   sumUnscheduledRepaidAmount: BigInt
   sumNumberOfAssets: BigInt
+
+  sumBorrowsCount: BigInt
+  sumRepaysCount: BigInt
 }
 
 type Tranche @entity {
@@ -489,6 +499,9 @@ type Asset @entity {
   totalRepaidInterest: BigInt
   totalRepaidUnscheduled: BigInt
 
+  borrowsCount: BigInt
+  repaysCount: BigInt
+
   borrowedAmountByPeriod: BigInt
   repaidAmountByPeriod: BigInt
 

diff --git a/src/mappings/handlers/ethHandlers.ts b/src/mappings/handlers/ethHandlers.ts
@@ -187,6 +187,7 @@ async function updateLoans(
   const newLoans = await getNewLoans(existingLoanIds as number[], shelf)
   logger.info(`Found ${newLoans.length} new loans for pool ${poolId}`)
 
+  const pool = await PoolService.getById(poolId)
   const isAlt1AndAfterEndBlock = poolId === ALT_1_POOL_ID && blockNumber > ALT_1_END_BLOCK
 
   const nftIdCalls: PoolMulticall[] = []
@@ -340,6 +341,12 @@ async function updateLoans(
       }
     }
 
+    let sumDebt = BigInt(0)
+    let sumBorrowed = BigInt(0)
+    let sumRepaid = BigInt(0)
+    let sumInterestRatePerSec = BigInt(0)
+    let sumBorrowsCount = BigInt(0)
+    let sumRepaysCount = BigInt(0)
     for (let i = 0; i < existingLoans.length; i++) {
       const loan = existingLoans[i]
       const loanIndex = loan.id.split('-')[1]
@@ -364,22 +371,39 @@ async function updateLoans(
 
       if (prevDebt > currentDebt) {
         loan.repaidAmountByPeriod = prevDebt - currentDebt
-        loan.totalRepaid
-          ? (loan.totalRepaid += loan.repaidAmountByPeriod)
-          : (loan.totalRepaid = loan.repaidAmountByPeriod)
+        loan.totalRepaid = (loan.totalRepaid || BigInt(0)) + loan.repaidAmountByPeriod
+        loan.repaysCount = (loan.repaysCount || BigInt(0)) + BigInt(1)
       }
       if (
         prevDebt * (loan.interestRatePerSec / BigInt(10) ** BigInt(27)) * BigInt(86400) <
         (loan.outstandingDebt || BigInt(0))
       ) {
         loan.borrowedAmountByPeriod = (loan.outstandingDebt || BigInt(0)) - prevDebt
-        loan.totalBorrowed
-          ? (loan.totalBorrowed += loan.borrowedAmountByPeriod)
-          : (loan.totalBorrowed = loan.borrowedAmountByPeriod)
+        loan.totalBorrowed = (loan.totalBorrowed || BigInt(0)) + loan.borrowedAmountByPeriod
+        loan.borrowsCount = (loan.borrowsCount || BigInt(0)) + BigInt(1)
       }
       logger.info(`Updating loan ${loan.id} for pool ${poolId}`)
       await loan.save()
+
+      sumDebt += loan.outstandingDebt || BigInt(0)
+      sumBorrowed += loan.totalBorrowed || BigInt(0)
+      sumRepaid += loan.totalRepaid || BigInt(0)
+      sumInterestRatePerSec += (loan.interestRatePerSec || BigInt(0)) * (loan.outstandingDebt || BigInt(0))
+      sumBorrowsCount += loan.borrowsCount || BigInt(0)
+      sumRepaysCount += loan.repaysCount || BigInt(0)
+    }
+
+    pool.sumDebt = sumDebt
+    pool.sumBorrowedAmount = sumBorrowed
+    pool.sumRepaidAmount = sumRepaid
+    if (sumDebt > BigInt(0)) {
+      pool.weightedAverageInterestRatePerSec = sumInterestRatePerSec / sumDebt
+    } else {
+      pool.weightedAverageInterestRatePerSec = BigInt(0)
     }
+    pool.sumBorrowsCount = sumBorrowsCount
+    pool.sumRepaysCount = sumRepaysCount
+    await pool.save()
   }
 }