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init abibara indexer #28

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5 changes: 5 additions & 0 deletions indexer/.gitignore
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node_modules
dist
.apibara
.env
.DS_Store
10 changes: 10 additions & 0 deletions indexer/apibara.config.ts
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import { defineConfig } from "apibara/config";

export default defineConfig({
runtimeConfig: {
inheritx: {
startingBlock: 0,
streamUrl: "https://sepolia.starknet.a5a.ch",
},
},
});
10 changes: 10 additions & 0 deletions indexer/drizzle.config.ts
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import type { Config } from "drizzle-kit";

export default {
schema: "./lib/schema.ts",
out: "./drizzle",
dialect: "postgresql",
dbCredentials: {
url: process.env["POSTGRES_CONNECTION_STRING"] ?? "memory://inheritx",
},
} satisfies Config;
44 changes: 44 additions & 0 deletions indexer/indexers/inheritx.indexer.ts
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import { defineIndexer } from "apibara/indexer";
import { useLogger } from "apibara/plugins";
import { drizzleStorage } from "@apibara/plugin-drizzle";
import { drizzle } from "@apibara/plugin-drizzle";
import { StarknetStream } from "@apibara/starknet";
import type { ApibaraRuntimeConfig } from "apibara/types";
import * as schema from "../lib/schema";

export default function (runtimeConfig: ApibaraRuntimeConfig) {
const { startingBlock, streamUrl } = runtimeConfig["inheritx"];
const db = drizzle({
schema,
});

return defineIndexer(StarknetStream)({
streamUrl,
finality: "accepted",
startingBlock: BigInt(startingBlock),
filter: {
events: [],
},
plugins: [
drizzleStorage({ db, migrate: { migrationsFolder: "./drizzle" } }),
],
async transform({ endCursor, finality }) {
const logger = useLogger();

logger.info(
"Transforming block | orderKey: ",
endCursor?.orderKey,
" | finality: ",
finality,
);

// Example snippet to insert data into db using drizzle with postgres
// const { db: database } = useDrizzleStorage();

// await database.insert(schema.cursorTable).values({
// endCursor: Number(endCursor?.orderKey),
// uniqueKey: `${endCursor?.uniqueKey}`,
// });
},
});
}
11 changes: 11 additions & 0 deletions indexer/lib/schema.ts
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// --- Add your pg table schemas here ----

// import { bigint, pgTable, text, uuid } from "drizzle-orm/pg-core";

// export const cursorTable = pgTable("cursor_table", {
// id: uuid("id").primaryKey().defaultRandom(),
// endCursor: bigint("end_cursor", { mode: "number" }),
// uniqueKey: text("unique_key"),
// });

export {};
30 changes: 30 additions & 0 deletions indexer/package.json
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{
"name": "apibara-app",
"version": "0.1.0",
"private": true,
"type": "module",
"scripts": {
"prepare": "apibara prepare",
"dev": "apibara dev",
"start": "apibara start",
"build": "apibara build",
"typecheck": "tsc --noEmit",
"drizzle:generate": "drizzle-kit generate",
"drizzle:migrate": "drizzle-kit migrate"
},
"dependencies": {
"@apibara/protocol": "next",
"apibara": "next",
"@apibara/starknet": "next",
"@apibara/plugin-drizzle": "next",
"drizzle-orm": "^0.40.1",
"@electric-sql/pglite": "^0.2.17",
"drizzle-kit": "^0.29.0",
"pg": "^8.13.1"
},
"devDependencies": {
"@types/node": "^20.5.2",
"typescript": "^5.6.2",
"@types/pg": "^8.11.10"
}
}
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