@graphprotocol/graph-cli
Version:
CLI for building for and deploying to The Graph
86 lines (78 loc) • 2.82 kB
JavaScript
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const vitest_1 = require("vitest");
const protocols_1 = __importDefault(require("../protocols"));
const index_1 = __importDefault(require("./index"));
const protocol = new protocols_1.default('cosmos');
const scaffoldOptions = {
protocol,
network: 'cosmoshub-4',
contractName: 'CosmosHub',
};
const scaffold = new index_1.default(scaffoldOptions);
vitest_1.describe.concurrent('Cosmos subgraph scaffolding', () => {
(0, vitest_1.test)('Manifest', async () => {
(0, vitest_1.expect)(await scaffold.generateManifest()).toEqual(`\
specVersion: 1.0.0
indexerHints:
prune: auto
schema:
file: ./schema.graphql
dataSources:
- kind: cosmos
name: CosmosHub
network: cosmoshub-4
source:
startBlock: 0
mapping:
apiVersion: 0.0.5
language: wasm/assemblyscript
entities:
- ExampleEntity
blockHandlers:
- handler: handleBlock
file: ./src/contract.ts
`);
});
(0, vitest_1.test)('Schema (default)', async () => {
(0, vitest_1.expect)(await scaffold.generateSchema()).toEqual(`\
type ExampleEntity @entity {
id: ID!
block: Bytes!
count: BigInt!
}
`);
});
(0, vitest_1.test)('Mapping (default)', async () => {
(0, vitest_1.expect)(await scaffold.generateMapping()).toEqual(`\
import { cosmos, BigInt } from "@graphprotocol/graph-ts"
import { ExampleEntity } from "../generated/schema"
export function handleBlock(block: cosmos.Block): 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(block.header.hash.toHex())
// Entities only exist after they have been saved to the store;
// \`null\` checks allow to create entities on demand
if (!entity) {
entity = new ExampleEntity(block.header.hash.toHex())
// Entity fields can be set using simple assignments
entity.count = BigInt.fromI32(0)
}
// BigInt and BigDecimal math are supported
entity.count = entity.count + BigInt.fromI32(1)
// Entity fields can be set based on receipt information
entity.height = block.header.height
// Entities can be written to the store with \`.save()\`
entity.save()
// Note: If a handler doesn't require existing field values, it is faster
// _not_ to load the entity from the store. Instead, create it fresh with
// \`new Entity(...)\`, set the fields that should be updated and save the
// entity back to the store. Fields that were not set or unset remain
// unchanged, allowing for partial updates to be applied.
}
`);
});
});