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Handle subgraph schema entity array type and relation fields (#49)

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* Handle relation entities in subgraph

* Modify eden-watcher entities to handle subgraph schema data types

* Modify schema gql to match eden subgraph gql shape

* Handle array type fields in subgraph schema

* Fix store get api for array type fields in subgraph entities

* Handle array type in eden-watcher and format await used in params
This commit is contained in:
nikugogoi
2021-12-28 16:08:05 +05:30
committed by nabarun
parent 158c3928c9
commit 800ad79baf
25 changed files with 527 additions and 221 deletions
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packages/graph-node/test/subgraph/example1/src/mapping.ts
+22 -3
View File
@@ -4,7 +4,7 @@ import {
Example1,
Test
} from '../generated/Example1/Example1';
import { ExampleEntity } from '../generated/schema';
import { ExampleEntity, RelatedEntity } from '../generated/schema';
export function handleTest (event: Test): void {
log.debug('event.address: {}', [event.address.toHexString()]);
@@ -15,12 +15,12 @@ export function handleTest (event: Test): void {
// Entities can be loaded from the store using a string ID; this ID
// needs to be unique across all entities of the same type
let entity = ExampleEntity.load(event.transaction.from.toHex());
let entity = ExampleEntity.load(event.transaction.hash.toHexString());
// Entities only exist after they have been saved to the store;
// `null` checks allow to create entities on demand
if (!entity) {
entity = new ExampleEntity(event.transaction.from.toHex());
entity = new ExampleEntity(event.transaction.hash.toHexString());
// Entity fields can be set using simple assignments
entity.count = BigInt.fromString('0');
@@ -37,6 +37,25 @@ export function handleTest (event: Test): void {
entity.paramEnum = 'choice1';
entity.paramBigDecimal = BigDecimal.fromString('123');
let relatedEntity = RelatedEntity.load(event.transaction.from.toHex());
if (!relatedEntity) {
relatedEntity = new RelatedEntity(event.transaction.from.toHex());
relatedEntity.paramBigInt = BigInt.fromString('123');
}
const bigIntArray = relatedEntity.bigIntArray;
bigIntArray.push(entity.count);
relatedEntity.bigIntArray = bigIntArray;
const examples = relatedEntity.examples;
examples.push(entity.id);
relatedEntity.examples = examples;
relatedEntity.save();
entity.related = relatedEntity.id;
// Entities can be written to the store with `.save()`
entity.save();