From 720d2c2c93222b279be0d7074daef8d493f8f59c Mon Sep 17 00:00:00 2001
From: Data Nexus <derek.m.meyer@gmail.com>
Date: Sat, 8 Oct 2022 14:30:15 -0400
Subject: [PATCH 1/3] Added Holder Daily Snapshot

Added Holder Daily Snapshot
---
 schema.graphql | 67 ++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 62 insertions(+), 5 deletions(-)

diff --git a/schema.graphql b/schema.graphql
index 7441d09..3f660c5 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -5,29 +5,86 @@ enum TransactionType {
 }
 
 type TokenHolderTransaction @entity(immutable: true) {
-  id: ID! # <tokenholder ID>-transaction-logIndex
+  " <tokenholder ID>-transaction-logIndex "
+  id: ID! 
+  
+  " Normalized balance as a decimal "
   balance: BigDecimal!
+
+  " Block Number "
   block: BigInt!
-  date: String! # ISO 8601 format
+  
+  " Date in ISO 8601 format "
+  date: String! 
+  
+  " (TRANSFER/MINT/BURN) "
   type: TransactionType!
+  
+  " Token Holder sub-entity "
   holder: TokenHolder!
+  
+  " Balance prior to the Transfer " 
   previousBalance: BigDecimal!
-  timestamp: String! # Unix format
+  
+  " Time in unix format "
+  timestamp: String! 
+  
+  " Transaction Hash "
   transaction: Bytes!
+  
+  " Transaction Event Log Index "
   transactionLogIndex: BigInt!
+  
+  " Value of the Transfer "
   value: BigDecimal!
 }
 
 type TokenHolder @entity {
-  id: ID! # <token ID>-holder
+  " <token ID>-holder "
+  id: ID! 
+  
+  " Normalized balance as a decimal " 
   balance: BigDecimal!
+  
+  " Holder Wallet Address "
   holder: Bytes!
+  
+  " Id of the Token "
   token: Token!
 }
 
+# Snapshot of the users balance as of a day period, multiple transactions can maintain a singular day record
+# If a user does not have a transaction for the day no record will exist and the prior record can be relied upon.
+type HolderDailySnapshot @entity {
+  " { Holder ID }-{ Unix Day (timestamp/86400) } "
+  id: ID!
+
+  " The Token Holder "
+  holder: Holder!
+
+  " Balance at the time of the snapshot "
+  balance: BigDecimal!
+
+  " Block number of this snapshot "
+  blockNumber: BigInt!
+
+  " Timestamp of this snapshot "
+  timestamp: BigInt!
+
+  " Day Start in Unix "
+  dayStart: BigInt!
+}
+
 type Token @entity {
-  id: ID! # token-blockchain
+  " token-blockchain "
+  id: ID! 
+  
+  " Contract Address for the Token "
   address: Bytes!
+  
+  " Blockchain Name "
   blockchain: String!
+  
+  " Token Name "
   name: String!
 }

From 3fb8153a9d5f5f084d1be9692a2cea81dde1c755 Mon Sep 17 00:00:00 2001
From: Data Nexus <derek.m.meyer@gmail.com>
Date: Sat, 8 Oct 2022 20:23:13 -0400
Subject: [PATCH 2/3] Added Time Series in updateTokenBalance

---
 src/handleEvent.ts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/handleEvent.ts b/src/handleEvent.ts
index a50ef66..52d1515 100644
--- a/src/handleEvent.ts
+++ b/src/handleEvent.ts
@@ -190,6 +190,26 @@ function updateTokenBalance(
   // Update the TokenHolder
   tokenHolder.balance = newBalance;
   tokenHolder.save();
+    
+  // The timestamp is in seconds, when we divide by 86400 we will get a integer representation for the day
+  let day = block.timestamp.toI32() / 86400;
+
+  // Token Holder id - Day
+  let _holderDailySnapshotId = tokenHolder.id + "-" + day.toString();
+
+  let _holderDailySnapshot = MarketDailySnapshot.load(_holderDailySnapshotId);
+
+  if (!_holderDailySnapshot) {
+    _holderDailySnapshot = new MarketDailySnapshot(_holderDailySnapshotId);
+  
+    _holderDailySnapshot.holder = tokenHolder.id 
+    _holderDailySnapshot.dayStart = day * 86400
+  }
+
+  _holderDailySnapshot.balance = tokenHolder.balance 
+  _holderDailySnapshot.blockNumber = block 
+  _holderDailySnapshot.timestamp = timestamp 
+  _holderDailySnapshot.save()
 }
 
 export function handleTransfer(event: Transfer): void {

From 4481e8b2de9416d34e31cdd81a5147d95479ec08 Mon Sep 17 00:00:00 2001
From: Data Nexus <derek.m.meyer@gmail.com>
Date: Sat, 8 Oct 2022 20:27:37 -0400
Subject: [PATCH 3/3] Fixed type and added derived field

---
 schema.graphql | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/schema.graphql b/schema.graphql
index 3f660c5..55312df 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -51,6 +51,9 @@ type TokenHolder @entity {
   
   " Id of the Token "
   token: Token!
+  
+  " Sub entity to the daily snapshots for the TokenHolder "
+  dailySnapshots: [TokenHolder!]! @derivedFrom(field: "holder")
 }
 
 # Snapshot of the users balance as of a day period, multiple transactions can maintain a singular day record
@@ -60,7 +63,7 @@ type HolderDailySnapshot @entity {
   id: ID!
 
   " The Token Holder "
-  holder: Holder!
+  holder: TokenHolder!
 
   " Balance at the time of the snapshot "
   balance: BigDecimal!