add balance to accounts

close #11

src/data_handler.ts

@@ -94,6 +94,20 @@ export class DataHandler {
       ctx.log.info(
         `New transaction: ${transfer.from} to ${transfer.to} of ${transfer.amount} tokens`
       );
+      // should never fail because source of transfer must be an existing account
+      const fromAccount = await this.getAccountByAddressOrFail(ctx, transfer.from);
+      // shoud never fail because destination of transfer must be existing account or raise System.NewAccount
+      const toAccount = await this.getAccountByAddressOrFail(ctx, transfer.to);
+      const newTransfer = new Transfer({
+        id: transfer.id,
+        blockNumber: transfer.blockNumber,
+        timestamp: transfer.timestamp,
+        from: fromAccount,
+        to: toAccount,
+        amount: transfer.amount,
+      });
+      this.data.transfers.set(transfer.id, newTransfer);
+
       // Update balances
       await this.updateAccountBalance(ctx, transfer.from, -transfer.amount);
       await this.updateAccountBalance(ctx, transfer.to, transfer.amount);
@@ -543,7 +557,7 @@ export class DataHandler {
 
       // Distribute UD to each member
       for (const identity of memberIdentities) {
-        await this.handleUniversalDividend(ctx, await ctx.store.getOrFail(Event, event.id), identity, BigInt(amount));
+        await this.updateAccountBalance(ctx, identity.account!.id, amount); // we are sure that a non-removed identity has non-null account
       }
 
       this.data.universalDividend.push(new UniversalDividend({
@@ -741,10 +755,4 @@ export class DataHandler {
     account.balance = (account.balance || 0n) + amount;
     this.data.accounts.set(accountId, account);
   }
-
-  async handleUniversalDividend(ctx: Ctx, event: Event, identity: Identity, amount: bigint): Promise<void> {
-    if (identity.account) {
-      await this.updateAccountBalance(ctx, identity.account.id, amount);
-    }
-  }
 }