fix: init tranche currency details on tranche creation

src/mappings/handlers/evmHandlers.ts

@@ -41,7 +41,7 @@ async function _handleEvmDeployTranche(event: DeployTrancheLog): Promise<void> {
   const investmentManager = InvestmentManagerAbi__factory.connect(investmentManagerAddress, ethApi)
   const userEscrowAddress = await investmentManager.userEscrow()
 
-  await currency.initEvmDetails(tokenAddress, escrowAddress, userEscrowAddress, tranche.poolId, tranche.trancheId)
+  await currency.initTrancheDetails(tranche.poolId, tranche.trancheId, tokenAddress, escrowAddress, userEscrowAddress)
   await currency.save()
 
   await createTrancheTrackerDatasource({ address: tokenAddress })

src/mappings/handlers/poolsHandlers.ts

@@ -52,6 +52,10 @@ async function _handlePoolCreated(event: SubstrateEvent<PoolCreatedEvent>): Prom
     await tranche.init(index, trancheData[tranche.trancheId].data)
     await tranche.updateSupply()
     await tranche.save()
+
+    const currency = await CurrencyService.getOrInit(blockchain.id, 'Tranche', pool.id, tranche.trancheId)
+    await currency.initTrancheDetails(pool.id, tranche.trancheId)
+    await currency.save()
   }
 
   // Initialise Epoch
@@ -65,8 +69,11 @@ async function _handlePoolUpdated(event: SubstrateEvent<PoolUpdatedEvent>): Prom
   const [poolId] = event.event.data
   logger.info(`Pool ${poolId.toString()} updated on block ${event.block.block.header.number}`)
 
+  const chainId = await getNodeChainId()
+  const blockchain = await BlockchainService.getOrInit(chainId)
+
   const pool = await PoolService.getById(poolId.toString())
-  if (pool === undefined) throw missingPool
+  if (!pool) throw missingPool
 
   await pool.initData()
   await pool.save()
@@ -88,6 +95,10 @@ async function _handlePoolUpdated(event: SubstrateEvent<PoolUpdatedEvent>): Prom
     await trancheService.updateSupply()
     await trancheService.updateDebt(tranche.data.debt.toBigInt())
     await trancheService.save()
+
+    const currency = await CurrencyService.getOrInit(blockchain.id, 'Tranche', pool.id, trancheService.trancheId)
+    await currency.initTrancheDetails(pool.id, trancheService.trancheId)
+    await currency.save()
   }
 }
 

src/mappings/services/currencyService.ts

@@ -37,18 +37,18 @@ export class CurrencyService extends Currency {
     return currency as CurrencyService
   }
 
-  public initEvmDetails(
-    tokenAddress: string,
-    escrowAddress: string,
-    userEscrowAddress: string,
+  public initTrancheDetails(
     poolId: string,
-    trancheId: string
+    trancheId: string,
+    evmTokenAddress?: string,
+    evmEscrowAddress?: string,
+    evmUserEscrowAddress?: string
   ) {
-    this.tokenAddress = tokenAddress
-    this.escrowAddress = escrowAddress
-    this.userEscrowAddress = userEscrowAddress
     this.poolId = poolId
     this.trancheId = `${poolId}-${trancheId}`
+    this.tokenAddress = evmTokenAddress
+    this.escrowAddress = evmEscrowAddress
+    this.userEscrowAddress = evmUserEscrowAddress
   }
 }