「🏗️」 wip: seems to be working

2025-08-14 12:32:54 +02:00 · 2025-07-30 16:04:18 +02:00
parent 0449ad7ad2
commit 041bb2deb5
10 changed files with 252 additions and 12 deletions
--- a/9
+++ b/9
@ -11,6 +11,9 @@ set dotenv-load
@user $FASTIFY_LOG_LEVEL="info" $FASTIFY_PRETTY_LOGS="true":
 	fastify start src/api/user/default.js

+@scoreStore $FASTIFY_LOG_LEVEL="info" $FASTIFY_PRETTY_LOGS="true":
+	fastify start src/api/scoreStore/default.js
+
 # To launch all apis
@apis:
 	node src/dev.js
@ -44,3 +47,9 @@ set dotenv-load
 # To clean only the container launched by the compose
@clean-compose: stop-docker
 	docker compose -f docker/docker-compose.yml rm
+
+@deploy-contract-scoreStore:
+	forge create scoreStore --rpc-url=${RPC_URL} --private-key=${PRIVATE_KEY}
+
+@verify-contract:
+	forge verify-contract --chain-id 43113 --rpc-url=${AVAX_RPC_URL} --watch ${AVAX_CONTRACT_ADDR}
--- a/package.json
+++ b/package.json
@ -8,6 +8,7 @@
 		"base32.js": "^0.1.0",
 		"bcrypt": "^6.0.0",
 		"better-sqlite3": "^12.2.0",
+		"ethers": "^6.15.0",
 		"fastify": "^5.4.0",
 		"fastify-cli": "^7.4.0",
 		"google-auth-library": "^10.1.0",
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@ -32,6 +32,9 @@ importers:
      better-sqlite3:
        specifier: ^12.2.0
        version: 12.2.0
+      ethers:
+        specifier: ^6.15.0
+        version: 6.15.0
      fastify:
        specifier: ^5.4.0
        version: 5.4.0
@ -50,7 +53,7 @@ importers:
    devDependencies:
      '@tailwindcss/vite':
        specifier: ^4.1.11
-        version: 4.1.11(vite@6.3.5(jiti@2.4.2)(lightningcss@1.30.1))
+        version: 4.1.11(vite@6.3.5(@types/node@22.7.5)(jiti@2.4.2)(lightningcss@1.30.1))
      pino-pretty:
        specifier: ^13.0.0
        version: 13.0.0
@ -62,10 +65,13 @@ importers:
        version: 5.8.3
      vite:
        specifier: ^6.3.5
-        version: 6.3.5(jiti@2.4.2)(lightningcss@1.30.1)
+        version: 6.3.5(@types/node@22.7.5)(jiti@2.4.2)(lightningcss@1.30.1)

 packages:

+  '@adraffy/ens-normalize@1.10.1':
+    resolution: {integrity: sha512-96Z2IP3mYmF1Xg2cDm8f1gWGf/HUVedQ3FMifV4kG/PQ4yEP51xDtRAEfhVNt5f/uzpNkZHwWQuUcu6D6K+Ekw==}
+
  '@ampproject/remapping@2.3.0':
    resolution: {integrity: sha512-30iZtAPgz+LTIYoeivqYo853f02jBYSd5uGnGpkFV0M3xOt9aN73erkgYAmZU43x4VfqcnLxW9Kpg3R5LC4YYw==}
    engines: {node: '>=6.0.0'}
@ -298,9 +304,16 @@ packages:
    resolution: {integrity: sha512-9I2Zn6+NJLfaGoz9jN3lpwDgAYvfGeNYdbAIjJOqzs4Tpc+VU3Jqq4IofSUBKajiDS8k9fZIg18/z13mpk1bsA==}
    engines: {node: '>=8'}

+  '@noble/curves@1.2.0':
+    resolution: {integrity: sha512-oYclrNgRaM9SsBUBVbb8M6DTV7ZHRTKugureoYEncY5c65HOmRzvSiTE3y5CYaPYJA/GVkrhXEoF0M3Ya9PMnw==}
+
  '@noble/curves@1.3.0':
    resolution: {integrity: sha512-t01iSXPuN+Eqzb4eBX0S5oubSqXbK/xXa1Ne18Hj8f9pStxztHCE2gfboSp/dZRLSqfuLpRK2nDXDK+W9puocA==}

+  '@noble/hashes@1.3.2':
+    resolution: {integrity: sha512-MVC8EAQp7MvEcm30KWENFjgR+Mkmf+D189XJTkFIlwohU5hcBbn1ZkKq7KVTi2Hme3PMGF390DaL52beVrIihQ==}
+    engines: {node: '>= 16'}
+
  '@noble/hashes@1.3.3':
    resolution: {integrity: sha512-V7/fPHgl+jsVPXqqeOzT8egNj2iBIVt+ECeMMG8TdcnTikP3oaBtUVqpT/gYCR68aEBJSF+XbYUxStjbFMqIIA==}
    engines: {node: '>= 16'}
@ -534,9 +547,15 @@ packages:
  '@types/http-cache-semantics@4.0.4':
    resolution: {integrity: sha512-1m0bIFVc7eJWyve9S0RnuRgcQqF/Xd5QsUZAZeQFr1Q3/p9JWoQQEqmVy+DPTNpGXwhgIetAoYF8JSc33q29QA==}

+  '@types/node@22.7.5':
+    resolution: {integrity: sha512-jML7s2NAzMWc//QSJ1a3prpk78cOPchGvXJsC3C6R6PSMoooztvRVQEz89gmBTBY1SPMaqo5teB4uNHPdetShQ==}
+
  abstract-logging@2.0.1:
    resolution: {integrity: sha512-2BjRTZxTPvheOvGbBslFSYOUkr+SjPtOnrLP33f+VIWLzezQpZcqVg7ja3L4dBXmzzgwT+a029jRx5PCi3JuiA==}

+  aes-js@4.0.0-beta.5:
+    resolution: {integrity: sha512-G965FqalsNyrPqgEGON7nIx1e/OVENSgiEIzyC63haUMuvNnwIgIjMs52hlTCKhkBny7A2ORNlfY9Zu+jmGk1Q==}
+
  agent-base@7.1.4:
    resolution: {integrity: sha512-MnA+YT8fwfJPgBx3m60MNqakm30XOkyIoH1y6huTQvC0PwZG7ki8NacLBcrPbNoo8vEZy7Jpuk7+jMO+CUovTQ==}
    engines: {node: '>= 14'}
@ -809,6 +828,10 @@ packages:
    engines: {node: '>=18'}
    hasBin: true

+  ethers@6.15.0:
+    resolution: {integrity: sha512-Kf/3ZW54L4UT0pZtsY/rf+EkBU7Qi5nnhonjUb8yTXcxH3cdcWrV2cRyk0Xk/4jK6OoHhxxZHriyhje20If2hQ==}
+    engines: {node: '>=14.0.0'}
+
  expand-template@2.0.3:
    resolution: {integrity: sha512-XYfuKMvj4O35f/pOXLObndIRvyQ+/+6AhODh+OKWj9S9498pHHn/IMszH+gt0fBCRWMNfk1ZSp5x3AifmnI2vg==}
    engines: {node: '>=6'}
@ -1604,6 +1627,9 @@ packages:
    resolution: {integrity: sha512-/m8M+2BJUpoJdgAHoG+baCwBT+tf2VraSfkBgl0Y00qIWt41DJ8R5B8nsEw0I58YwF5IZH6z24/2TobDKnqSWw==}
    engines: {node: '>=12'}

+  tslib@2.7.0:
+    resolution: {integrity: sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA==}
+
  tunnel-agent@0.6.0:
    resolution: {integrity: sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==}

@ -1612,6 +1638,9 @@ packages:
    engines: {node: '>=14.17'}
    hasBin: true

+  undici-types@6.19.8:
+    resolution: {integrity: sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==}
+
  universalify@2.0.1:
    resolution: {integrity: sha512-gptHNQghINnc/vTGIk0SOFGFNXw7JVrlRUtConJRlvaw6DuX0wO5Jeko9sWrMBhh+PsYAZ7oXAiOnf/UKogyiw==}
    engines: {node: '>= 10.0.0'}
@ -1672,6 +1701,18 @@ packages:
  wrappy@1.0.2:
    resolution: {integrity: sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==}

+  ws@8.17.1:
+    resolution: {integrity: sha512-6XQFvXTkbfUOZOKKILFG1PDK2NDQs4azKQl26T0YS5CxqWLgXajbPZ+h4gZekJyRqFU8pvnbAbbs/3TgRPy+GQ==}
+    engines: {node: '>=10.0.0'}
+    peerDependencies:
+      bufferutil: ^4.0.1
+      utf-8-validate: '>=5.0.2'
+    peerDependenciesMeta:
+      bufferutil:
+        optional: true
+      utf-8-validate:
+        optional: true
+
  xtend@4.0.2:
    resolution: {integrity: sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==}
    engines: {node: '>=0.4'}
@ -1686,6 +1727,8 @@ packages:

 snapshots:

+  '@adraffy/ens-normalize@1.10.1': {}
+
  '@ampproject/remapping@2.3.0':
    dependencies:
      '@jridgewell/gen-mapping': 0.3.12
@ -1852,10 +1895,16 @@ snapshots:

  '@lukeed/ms@2.0.2': {}

+  '@noble/curves@1.2.0':
+    dependencies:
+      '@noble/hashes': 1.3.2
+
  '@noble/curves@1.3.0':
    dependencies:
      '@noble/hashes': 1.3.3

+  '@noble/hashes@1.3.2': {}
+
  '@noble/hashes@1.3.3': {}

  '@noble/secp256k1@2.0.0': {}
@ -2008,19 +2057,25 @@ snapshots:
      '@tailwindcss/oxide-win32-arm64-msvc': 4.1.11
      '@tailwindcss/oxide-win32-x64-msvc': 4.1.11

-  '@tailwindcss/vite@4.1.11(vite@6.3.5(jiti@2.4.2)(lightningcss@1.30.1))':
+  '@tailwindcss/vite@4.1.11(vite@6.3.5(@types/node@22.7.5)(jiti@2.4.2)(lightningcss@1.30.1))':
    dependencies:
      '@tailwindcss/node': 4.1.11
      '@tailwindcss/oxide': 4.1.11
      tailwindcss: 4.1.11
-      vite: 6.3.5(jiti@2.4.2)(lightningcss@1.30.1)
+      vite: 6.3.5(@types/node@22.7.5)(jiti@2.4.2)(lightningcss@1.30.1)

  '@types/estree@1.0.8': {}

  '@types/http-cache-semantics@4.0.4': {}

+  '@types/node@22.7.5':
+    dependencies:
+      undici-types: 6.19.8
+
  abstract-logging@2.0.1: {}

+  aes-js@4.0.0-beta.5: {}
+
  agent-base@7.1.4: {}

  ajv-errors@1.0.1(ajv@6.12.6):
@ -2302,6 +2357,19 @@ snapshots:
      '@esbuild/win32-ia32': 0.25.6
      '@esbuild/win32-x64': 0.25.6

+  ethers@6.15.0:
+    dependencies:
+      '@adraffy/ens-normalize': 1.10.1
+      '@noble/curves': 1.2.0
+      '@noble/hashes': 1.3.2
+      '@types/node': 22.7.5
+      aes-js: 4.0.0-beta.5
+      tslib: 2.7.0
+      ws: 8.17.1
+    transitivePeerDependencies:
+      - bufferutil
+      - utf-8-validate
+
  expand-template@2.0.3: {}

  extend@3.0.2: {}
@ -3160,12 +3228,16 @@ snapshots:

  toad-cache@3.7.0: {}

+  tslib@2.7.0: {}
+
  tunnel-agent@0.6.0:
    dependencies:
      safe-buffer: 5.2.1

  typescript@5.8.3: {}

+  undici-types@6.19.8: {}
+
  universalify@2.0.1: {}

  uri-js@4.4.1:
@ -3174,7 +3246,7 @@ snapshots:

  util-deprecate@1.0.2: {}

-  vite@6.3.5(jiti@2.4.2)(lightningcss@1.30.1):
+  vite@6.3.5(@types/node@22.7.5)(jiti@2.4.2)(lightningcss@1.30.1):
    dependencies:
      esbuild: 0.25.6
      fdir: 6.4.6(picomatch@4.0.2)
@ -3183,6 +3255,7 @@ snapshots:
      rollup: 4.44.2
      tinyglobby: 0.2.14
    optionalDependencies:
+      '@types/node': 22.7.5
      fsevents: 2.3.3
      jiti: 2.4.2
      lightningcss: 1.30.1
@ -3195,6 +3268,8 @@ snapshots:

  wrappy@1.0.2: {}

+  ws@8.17.1: {}
+
  xtend@4.0.2: {}

  yallist@5.0.0: {}
--- a/src/api/scoreStore/addTx.js
+++ b/src/api/scoreStore/addTx.js
@ -0,0 +1,26 @@
+import { ContractTransactionResponse } from "ethers";
+import scoreDB from "../../utils/scoreDB.js";
+import { callAddScore, callLastId } from "../../utils/scoreStore_contract.js";
+
+/**
+ *	@async
+ *	@param {import("fastify").FastifyRequest} request
+ *	@param {import("fastify").FastifyReply} reply
+ *	@param {import("fastify").FastifyInstance} fastify
+ */
+export async function addTx(request, reply, fastify) {
+	try {
+		const id = await callLastId();
+		/** @type ContractTransactionResponse */
+		const tx = await callAddScore(request.body.p1, request.body.p2, request.body.p1Score, request.body.p2Score);
+
+		scoreDB.addTx(id, tx.hash);
+
+		return reply.code(200).send({
+			tx: tx.hash
+		});
+	} catch (err) {
+		fastify.log.error(err);
+		return reply.code(500).send({ error: "Internal server error" });
+	}
+}
--- a/src/api/scoreStore/default.js
+++ b/src/api/scoreStore/default.js
@ -1,6 +1,8 @@
-import { evm } from '@avalabs/avalanchejs';
-import scoreDB from '../../utils/scoreDB.js';
 import { getTx } from './getTx.js';
+import { addTx } from './addTx.js';
+import scoreDB from '../../utils/scoreDB.js';
+
+scoreDB.prepareDB();

 /**
 * @param {import('fastify').FastifyInstance}		fastify
@ -10,4 +12,21 @@ export default async function(fastify, options) {
 	fastify.get("/:id", async (request, reply) => {
 		return getTx(request, reply, fastify);
 	});
+
+	fastify.post("/", {
+		schema: {
+			body: {
+				type: 'object',
+				required: ['p1', 'p2', 'p1Score', 'p2Score'],
+				properties: {
+					p1: { type: 'string', minLength: 1 },
+					p2: { type: 'string', minLength: 1 },
+					p1Score: { type: 'integer', minimum: 0 },
+					p2Score: { type: 'integer', minimum: 0 },
+				}
+			}
+		}
+	}, async (request, reply) => {
+		return addTx(request, reply, fastify);
+	});
 }
--- a/src/api/scoreStore/getTx.js
+++ b/src/api/scoreStore/getTx.js
@ -1,4 +1,5 @@
 import scoreDB from "../../utils/scoreDB.js";
+import { callGetScore } from "../../utils/scoreStore_contract.js";

 /**
 *	@async
@ -10,10 +11,16 @@ import scoreDB from "../../utils/scoreDB.js";
 */
 export async function getTx(request, reply, fastify) {
 	try {
+		const tx = scoreDB.getTx(request.params.id);

+		const score = callGetScore(request.params.id);
+
+		return reply.code(200).send({
+			score: score,
+			tx: tx
+		});
 	} catch (err) {
 		fastify.log.error(err);
 		return reply.code(500).send({ error: "Internal server error" });
 	}
 }
-
--- a/src/contract/scoreStore.json
+++ b/src/contract/scoreStore.json
@ -0,0 +1 @@
+[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"string","name":"p1","type":"string"},{"internalType":"string","name":"p2","type":"string"},{"internalType":"uint128","name":"p1Score","type":"uint128"},{"internalType":"uint128","name":"p2Score","type":"uint128"}],"name":"addScore","outputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"getScore","outputs":[{"components":[{"internalType":"string","name":"p1","type":"string"},{"internalType":"string","name":"p2","type":"string"},{"internalType":"uint128","name":"p1Score","type":"uint128"},{"internalType":"uint128","name":"p2Score","type":"uint128"}],"internalType":"struct score","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"scores","outputs":[{"internalType":"string","name":"p1","type":"string"},{"internalType":"string","name":"p2","type":"string"},{"internalType":"uint128","name":"p1Score","type":"uint128"},{"internalType":"uint128","name":"p2Score","type":"uint128"}],"stateMutability":"view","type":"function"}]
--- a/src/start.js
+++ b/src/start.js
@ -1,6 +1,7 @@
 import Fastify from 'fastify';
 import authApi from './api/auth/default.js';
 import userApi from './api/user/default.js';
+import scoreApi from './api/scoreStore/default.js';

 const loggerOption = {
 	transport: {
@ -47,6 +48,19 @@ async function start() {
 			console.log('User API listening on http://localhost:3002');
 		}
 	}
+
+	if (target === 'scoreStore' || target === 'all') {
+		const scoreStore = Fastify({ logger: loggerOption });
+		scoreStore.register(scoreApi);
+		if (target !== 'all') {
+			await scoreStore.listen({ port: 3000, host: '0.0.0.0' });
+			console.log('scoreStore API listening on http://0.0.0.0:3000');
+		}
+		else {
+			await scoreStore.listen({ port: 3002, host: '127.0.0.1'});
+			console.log('scoreStore API listening on http://localhost:3002');
+		}
+	}
 }

 start().catch(console.error);
--- a/src/utils/scoreDB.js
+++ b/src/utils/scoreDB.js
@ -17,7 +17,7 @@ if (!env || env === 'development') {
 function prepareDB() {
 	database.exec(`
 	CREATE TABLE IF NOT EXISTS scoresTx (
-		id INTEGER PRIMARY KEY,
+		id INT PRIMARY KEY,
 		txHash TEXT
 	) STRICT
 	`);
@ -25,7 +25,7 @@ function prepareDB() {

 /**
 *	@description	Can be used to add a score hash to the DB
- *	@param {Int}	The id of the score
+ *	@param {Number}	The id of the score
 *	@param {String}	The hash of the score
 */
 function addTx(id, txHash) {
@ -39,7 +39,7 @@ function addTx(id, txHash) {
 *	@returns {String}	The tx hash
 */
 function getTx(id) {
-	const txGet = database.prepare('SELECT txHash FROM credentials WHERE id = ?;')
+	const txGet = database.prepare('SELECT txHash FROM scoresTx WHERE id = ?;')
 	return txGet.get(id);
 }

--- a/src/utils/scoreStore_contract.js
+++ b/src/utils/scoreStore_contract.js
@ -0,0 +1,88 @@
+import { ethers } from "ethers";
+import { readFile } from "fs/promises";
+
+export const rpc_url = process.env.AVAX_RPC_URL;
+export const contract_addr = process.env.AVAX_CONTRACT_ADDR;
+export const owner_priv_key = process.env.AVAX_PRIVATE_KEY;
+
+const provider = new ethers.JsonRpcProvider(rpc_url);
+
+const wallet = new ethers.Wallet(owner_priv_key, provider);
+
+async function loadContract() {
+	try {
+		const contractABI = JSON.parse(await readFile(new URL('../contract/scoreStore.json', import.meta.url)));
+
+		const contract = new ethers.Contract(contract_addr, contractABI, wallet);
+		return contract;
+	} catch (error) {
+		console.error('Error loading contract ABI:', error);
+		throw error;
+	}
+}
+
+/**
+ *	@param {int} id
+ *	@returns {Promise<Object>} A promise that resolves to the score details if successful.
+ *	@throws {Error} Throws an error if the function call fails.
+ */
+async function callGetScore(id) {
+	try {
+		const contract = await loadContract();
+		const result = await contract.getScore(id);
+		return result;
+	} catch (error) {
+		console.error('Error calling view function:', error);
+		throw error;
+	}
+}
+
+/**
+ * Adds a new score to the smart contract.
+ *
+ * @async
+ * @param {string} p1 - The name of the first player.
+ * @param {string} p2 - The name of the second player.
+ * @param {number} p1Score - The score of the first player.
+ * @param {number} p2Score - The score of the second player.
+ * @returns {Promise<ethers.ContractTransactionResponse>} A promise that resolves to the transaction response if successful.
+ * @throws {Error} Throws an error if the function call fails.
+ */
+async function callAddScore(p1, p2, p1Score, p2Score) {
+	try {
+		const contract = await loadContract();
+		const tx = await contract.addScore(p1, p2, p1Score, p2Score);
+		console.log('Transaction sent:', tx.hash);
+		await tx.wait(); // Wait for the transaction to be mined
+		console.log('Transaction confirmed');
+		return tx;
+	} catch (error) {
+		console.error('Error calling addScore function:', error);
+		throw error;
+	}
+}
+
+/**
+ * Fetches the last ID from the smart contract.
+ *
+ * @async
+ * @returns {Promise<number>} A promise that resolves to the last ID.
+ * @throws {Error} Throws an error if the function call fails.
+ */
+async function callLastId() {
+	try {
+		const contract = await loadContract();
+		const lastId = await contract.lastId();
+		console.log('Last ID:', lastId.toString());
+		return lastId;
+	} catch (error) {
+		console.error('Error calling lastId function:', error);
+		throw error;
+	}
+}
+
+export {
+	callAddScore,
+	callGetScore,
+	callLastId
+};
				`@ -0,0 +1 @@`
				[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"string","name":"p1","type":"string"},{"internalType":"string","name":"p2","type":"string"},{"internalType":"uint128","name":"p1Score","type":"uint128"},{"internalType":"uint128","name":"p2Score","type":"uint128"}],"name":"addScore","outputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"getScore","outputs":[{"components":[{"internalType":"string","name":"p1","type":"string"},{"internalType":"string","name":"p2","type":"string"},{"internalType":"uint128","name":"p1Score","type":"uint128"},{"internalType":"uint128","name":"p2Score","type":"uint128"}],"internalType":"struct score","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"scores","outputs":[{"internalType":"string","name":"p1","type":"string"},{"internalType":"string","name":"p2","type":"string"},{"internalType":"uint128","name":"p1Score","type":"uint128"},{"internalType":"uint128","name":"p2Score","type":"uint128"}],"stateMutability":"view","type":"function"}]