Adds blockheight

BNB Smart Chain/bsc-starter/README.md

@@ -90,12 +90,13 @@ For the `subql-starter` project, you can try to query with the following code to
 
 ```graphql
 query {
-  transfers(first: 5, orderBy: VALUE_DESC) {
+  transfers(first: 5, orderBy: BLOCK_HEIGHT_ASC) {
     nodes {
       id
-      value
-      to
+      blockHeight
       from
+      to
+      value
       contractAddress
     }
   }

BNB Smart Chain/bsc-starter/package.json

@@ -31,5 +31,8 @@
     "@subql/types": "latest",
     "ethers": "^5.7.2",
     "typescript": "4.5.5"
+  },
+  "resolutions":{
+    "@polkadot/util": "11.1.3"
   }
 }

BNB Smart Chain/bsc-starter/schema.graphql

@@ -4,16 +4,18 @@
 
 type Transfer @entity {
   id: ID! # Transaction hash
-  value: BigInt!
+  blockHeight: String
   to: String!
   from: String!
+  value: BigInt!
   contractAddress: String!
 }
 
 type Approval @entity {
   id: ID! # Transaction hash
-  value: BigInt!
+  blockHeight: String
   owner: String!
   spender: String!
+  value: BigInt!
   contractAddress: String!
 }

BNB Smart Chain/bsc-starter/src/mappings/mappingHandlers.ts

@@ -8,9 +8,10 @@ export async function handleLog(log: TransferLog): Promise<void> {
   logger.info(`New transfer transaction log at block ${log.blockNumber}`);
   const transfer = Transfer.create({
     id: log.transactionHash,
-    value: log.args.value.toBigInt(),
+    blockHeight: log.blockNumber.toString(),
     from: log.args.from,
     to: log.args.to,
+    value: log.args.value.toBigInt(),
     contractAddress: log.address,
   });
 
@@ -21,6 +22,7 @@ export async function handleTransaction(tx: ApproveTransaction): Promise<void> {
   logger.info(`New Approval transaction at block ${tx.blockNumber}`);
   const approval = Approval.create({
     id: tx.hash,
+    blockHeight: tx.blockNumber.toString(),
     owner: tx.from,
     spender: await tx.args[0],
     value: BigInt(await tx.args[1].toString()),