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@rpch/sdk

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@rpch/sdk - npm Package Compare versions

Comparing version 0.1.7-blockwallet.0 to 0.1.7-blockwallet.1

6

build/index.d.ts

@@ -76,2 +76,8 @@ import { Request, Response } from '@rpch/common';

/**
* Remove request from requestCache and add failed metric
* @param req Request
* @returns void
*/
handleFailedRequest(req: Request): void;
/**
* Start the SDK and initialize necessary data.

@@ -78,0 +84,0 @@ */

224

build/index.js

@@ -54,2 +54,3 @@ "use strict";

var import_cross_fetch = __toESM(require("cross-fetch"));
var import_async_retry = __toESM(require("async-retry"));
var import_reliability_score = __toESM(require("./reliability-score"));

@@ -59,2 +60,3 @@ var import_request_cache = __toESM(require("./request-cache"));

const log = (0, import_utils.createLogger)();
const MAXIMUM_SEGMENTS_PER_REQUEST = 100;
const DEADLOCK_MS = 1e3 * 60 * 0.5;

@@ -82,50 +84,57 @@ class SDK {

return __async(this, null, function* () {
log.verbose("Selecting entry node");
const rawResponse = yield (0, import_cross_fetch.default)(
new URL(
"/api/v1/request/entry-node",
discoveryPlatformApiEndpoint
).toString(),
{
method: "POST",
headers: {
"Content-Type": "application/json",
"Accept-Content": "application/json"
},
body: JSON.stringify({
client: this.ops.client,
exclusionList
})
try {
this.selectingEntryNode = true;
log.verbose("Selecting entry node");
const rawResponse = yield (0, import_cross_fetch.default)(
new URL(
"/api/v1/request/entry-node",
discoveryPlatformApiEndpoint
).toString(),
{
method: "POST",
headers: {
"Content-Type": "application/json",
"Accept-Content": "application/json"
},
body: JSON.stringify({
client: this.ops.client,
exclusionList
})
}
);
const response = yield rawResponse.json();
if (rawResponse.status !== 200) {
log.error("Failed to request entry node", rawResponse.status, response);
throw new Error(`Failed to request entry node`);
}
);
const response = yield rawResponse.json();
if (rawResponse.status !== 200) {
log.error("Failed to request entry node", rawResponse.status, response);
throw new Error(`Failed to request entry node`);
const apiEndpointUrl = new URL(response.hoprd_api_endpoint);
this.entryNode = {
apiEndpoint: apiEndpointUrl.toString(),
apiToken: response.accessToken,
peerId: response.id
};
log.verbose("Selected entry node", this.entryNode);
if (this.stopMessageListener)
this.stopMessageListener();
this.stopMessageListener = yield import_common.hoprd.createMessageListener(
this.entryNode.apiEndpoint,
this.entryNode.apiToken,
(message) => {
try {
const segment = import_common.Segment.fromString(message);
this.segmentCache.onSegment(segment);
} catch (e) {
log.verbose(
"rejected received data from HOPRd: not a valid segment",
message
);
}
}
);
return this.entryNode;
} catch (error) {
throw error;
} finally {
this.selectingEntryNode = false;
}
const apiEndpointUrl = new URL(response.hoprd_api_endpoint);
this.entryNode = {
apiEndpoint: apiEndpointUrl.toString(),
apiToken: response.accessToken,
peerId: response.id
};
log.verbose("Selected entry node", this.entryNode);
if (this.stopMessageListener)
this.stopMessageListener();
this.stopMessageListener = yield import_common.hoprd.createMessageListener(
this.entryNode.apiEndpoint,
this.entryNode.apiToken,
(message) => {
try {
const segment = import_common.Segment.fromString(message);
this.segmentCache.onSegment(segment);
} catch (e) {
log.verbose(
"rejected received data from HOPRd: not a valid segment",
message
);
}
}
);
return this.entryNode;
});

@@ -163,32 +172,41 @@ }

}
const counter = yield this.getKeyVal(
match.request.exitNodeDestination
).then((k) => BigInt(k || "0"));
const response = import_common.Response.fromMessage(
this.crypto,
match.request,
message,
counter,
(exitNodeId, counter2) => {
this.setKeyVal(exitNodeId, counter2.toString());
}
);
const responseTime = Date.now() - match.createdAt.getTime();
log.verbose(
"response time for request %s: %s ms",
match.request.id,
responseTime,
log.createMetric({
id: match.request.id,
responseTime
})
);
match.resolve(response);
this.reliabilityScore.addMetric(
match.request.entryNodeDestination,
match.request.id,
"success"
);
this.requestCache.removeRequest(match.request);
log.verbose("responded to %s with %s", match.request.body, response.body);
try {
const counter = yield this.getKeyVal(
match.request.exitNodeDestination
).then((k) => BigInt(k || "0"));
const response = import_common.Response.fromMessage(
this.crypto,
match.request,
message,
counter,
(exitNodeId, counter2) => {
this.setKeyVal(exitNodeId, counter2.toString());
}
);
const responseTime = Date.now() - match.createdAt.getTime();
log.verbose(
"response time for request %s: %s ms",
match.request.id,
responseTime,
log.createMetric({
id: match.request.id,
responseTime
})
);
match.resolve(response);
this.reliabilityScore.addMetric(
match.request.entryNodeDestination,
match.request.id,
"success"
);
this.requestCache.removeRequest(match.request);
log.verbose("responded to %s with %s", match.request.body, response.body);
} catch (e) {
log.error(
"failed to decrypt message id %s with body",
message.id,
message.body
);
this.handleFailedRequest(match.request);
}
});

@@ -200,2 +218,8 @@ }

}
handleFailedRequest(req) {
var _a;
this.onRequestRemoval(req);
(_a = this.requestCache.getRequest(req.id)) == null ? void 0 : _a.reject("request failed");
this.requestCache.removeRequest(req);
}
start() {

@@ -212,2 +236,22 @@ return __async(this, null, function* () {

this.crypto.set_panic_hook();
yield (0, import_async_retry.default)(
() => this.selectEntryNode(this.ops.discoveryPlatformApiEndpoint),
{
retries: 5,
onRetry: (e, attempt) => {
log.error("Error while selecting entry node", e);
log.verbose("Retrying to select entry node, attempt:", attempt);
}
}
);
yield (0, import_async_retry.default)(
() => this.fetchExitNodes(this.ops.discoveryPlatformApiEndpoint),
{
retries: 5,
onRetry: (e, attempt) => {
log.error("Error while fetching exit nodes", e);
log.verbose("Retrying to fetch exit nodes, attempt:", attempt);
}
}
);
this.intervals.push(

@@ -221,7 +265,9 @@ setInterval(() => {

setInterval(() => {
this.fetchExitNodes(this.ops.discoveryPlatformApiEndpoint);
this.fetchExitNodes(this.ops.discoveryPlatformApiEndpoint).catch(
(error) => {
log.error("Failed to fetch exit nodes", error);
}
);
}, 6e4)
);
yield this.selectEntryNode(this.ops.discoveryPlatformApiEndpoint);
yield this.fetchExitNodes(this.ops.discoveryPlatformApiEndpoint);
});

@@ -254,3 +300,2 @@ }

try {
this.selectingEntryNode = true;
yield this.selectEntryNode(

@@ -260,6 +305,4 @@ this.ops.discoveryPlatformApiEndpoint,

);
this.selectingEntryNode = false;
} catch (error) {
log.error("Couldn't find elegible node: ", error);
this.selectingEntryNode = false;
log.error("Couldn't find new entry node: ", error);
this.setDeadlock(DEADLOCK_MS);

@@ -311,2 +354,9 @@ }

const segments = message.toSegments();
if (segments.length > MAXIMUM_SEGMENTS_PER_REQUEST) {
log.error(
"Request exceeds maximum amount of segments with %s segments",
segments.length
);
return reject("Request is too big");
}
this.requestCache.addRequest(req, resolve, reject);

@@ -328,11 +378,7 @@ const sendMessagePromises = segments.map((segment) => {

if (rejectedResults.length > 0) {
this.onRequestRemoval(req);
this.requestCache.removeRequest(req);
reject("failed to send message to hoprd");
this.handleFailedRequest(req);
}
} catch (e) {
log.error("failed to send message to hoprd", e);
this.onRequestRemoval(req);
this.requestCache.removeRequest(req);
reject("failed to send message to hoprd");
this.handleFailedRequest(req);
}

@@ -339,0 +385,0 @@ }));

9

CHANGELOG.md
# @rpch/sdk
## 0.1.7-blockwallet.1
### Patch Changes
- Add large request blocker
- Updated dependencies
- @rpch/crypto-bridge@0.1.7-blockwallet.1
- @rpch/common@0.1.7-blockwallet.1
## 0.1.7-blockwallet.0

@@ -4,0 +13,0 @@

8

coverage/coverage-final.json

@@ -1,5 +0,5 @@

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}

12

package.json
{
"name": "@rpch/sdk",
"version": "0.1.7-blockwallet.0",
"version": "0.1.7-blockwallet.1",
"license": "LGPL-3.0",

@@ -20,10 +20,12 @@ "main": "./build/index.js",

"@rpch/configs-typescript": "*",
"nock": "^13.2.9"
"nock": "^13.2.9",
"@types/async-retry": "^1.4.5"
},
"dependencies": {
"@rpch/common": "0.1.7-blockwallet.0",
"@rpch/crypto-bridge": "0.1.7-blockwallet.0",
"@rpch/common": "0.1.7-blockwallet.1",
"@rpch/crypto-bridge": "0.1.7-blockwallet.1",
"cross-fetch": "^3.1.5",
"ethers": "^5.7.2"
"ethers": "^5.7.2",
"async-retry": "^1.3.3"
}
}

165

src/index.spec.ts

@@ -1,7 +0,7 @@

import assert from "assert";
import { expect } from "@jest/globals";
import { Request, hoprd } from "@rpch/common";
import * as fixtures from "@rpch/common/build/fixtures";
import assert from "assert";
import nock from "nock";
import SDK, { type HoprSdkOps } from "./index";
import { expect } from "@jest/globals";

@@ -85,2 +85,74 @@ const TIMEOUT = 5e3;

describe("started unstable", function () {
let mock: ReturnType<typeof createSdkMock>;
beforeEach(async function () {
mock = createSdkMock();
});
afterEach(async function () {
await mock.sdk.stop();
jest.clearAllMocks();
});
it("should select entry node after 2 tries", async function () {
//@ts-ignore
const selectEntryNodeMock = jest.spyOn(mock.sdk, "selectEntryNode");
DP_GET_NODES.reply(200, [
{
exit_node_pub_key: EXIT_NODE_PUB_KEY,
id: EXIT_NODE_PEER_ID,
},
]);
// fail 3 times, work after wards
nock(DISCOVERY_PLATFORM_API_ENDPOINT)
.post("/api/v1/request/entry-node")
.once()
.reply(500)
.post("/api/v1/request/entry-node")
.once()
.reply(200, {
hoprd_api_endpoint: ENTRY_NODE_API_ENDPOINT,
hoprd_api_port: ENTRY_NODE_API_PORT,
accessToken: ENTRY_NODE_API_TOKEN,
id: ENTRY_NODE_PEER_ID,
});
await mock.sdk.start();
assert.equal(selectEntryNodeMock.mock.calls.length, 2);
});
it("should fetch exit nodes after 2 tries", async function () {
//@ts-ignore
const fetchExitNodesMock = jest.spyOn(mock.sdk, "fetchExitNodes");
DP_REQ_ENTRY_NOCK.reply(200, {
hoprd_api_endpoint: ENTRY_NODE_API_ENDPOINT,
hoprd_api_port: ENTRY_NODE_API_PORT,
accessToken: ENTRY_NODE_API_TOKEN,
id: ENTRY_NODE_PEER_ID,
});
nock(DISCOVERY_PLATFORM_API_ENDPOINT)
.get("/api/v1/node?hasExitNode=true")
.once()
.reply(500)
.get("/api/v1/node?hasExitNode=true")
.once()
.reply(200, [
{
exit_node_pub_key: EXIT_NODE_PUB_KEY,
id: EXIT_NODE_PEER_ID,
},
]);
await mock.sdk.start();
assert.equal(fetchExitNodesMock.mock.calls.length, 2);
});
});
describe("started", function () {

@@ -318,2 +390,30 @@ let ops: HoprSdkOps;

});
it("should handle failed request", async function () {
HOPRD_SEND_MESSAGE_NOCK.reply(400, "error");
const [clientRequest] = fixtures.generateMockedFlow(3);
const resolveFunc = jest.fn(() => {});
const rejectFunc = jest.fn(() => {});
// @ts-ignore
sdk.requestCache.addRequest(clientRequest, resolveFunc, rejectFunc);
// call function to handle request failed
sdk.handleFailedRequest(clientRequest);
// should reject promise
assert.equal(rejectFunc.mock.calls.length, 1);
// request should not be in request cache
// @ts-ignore
assert.equal(sdk.requestCache.getRequest(clientRequest.id), undefined);
// should add failed metric
assert.equal(
// @ts-ignore
sdk.reliabilityScore.metrics.get(sdk.entryNode?.peerId)?.stats.failed,
1
);
});
it("should not save request to requestCache if request to hoprd fails", async function () {

@@ -325,2 +425,3 @@ HOPRD_SEND_MESSAGE_NOCK.reply(400, "error");

} catch (e: any) {
// this will run if request is rejected
// @ts-ignore

@@ -394,2 +495,62 @@ assert.equal(sdk.requestCache.getRequest(clientRequest.id), undefined);

describe("handling request size", function () {
it("should not send requests larger than max amount of segments", async function () {
const hoprdSendMessageSpy = jest.spyOn(hoprd, "sendMessage");
const MAXIMUM_SEGMENTS_PER_REQUEST = 100;
const bigReq = await sdk.createRequest(
fixtures.PROVIDER,
// create an rpc call that will exceed MAXIMUM_SEGMENTS_PER_REQUEST size
fixtures.RPC_REQ_LARGE.repeat(MAXIMUM_SEGMENTS_PER_REQUEST)
);
try {
await sdk.sendRequest(bigReq);
} catch (e) {
expect(e).toEqual("Request is too big");
// request should not be in request cache
// @ts-ignore
expect(sdk.requestCache.getRequest(bigReq.id)).toEqual(undefined);
// hopr send message should never be called
expect(hoprdSendMessageSpy.mock.calls.length).toEqual(0);
}
});
it("should send requests smaller than max amount of segments", function (done) {
HOPRD_SEND_MESSAGE_NOCK.reply(202, "someresponse");
const MAXIMUM_SEGMENTS_PER_REQUEST = 100;
sdk
.createRequest(fixtures.PROVIDER, fixtures.RPC_REQ_LARGE)
.then((normalRequest) => {
// how many times request cas increase without passing MAXIMUM_SEGMENTS_PER_REQUEST
const numberOfRepetitions = Math.floor(
MAXIMUM_SEGMENTS_PER_REQUEST /
normalRequest.toMessage().toSegments().length
);
const [clientRequest, , exitNodeResponse] =
fixtures.generateMockedFlow(
3,
// create an rpc call that is close to MAXIMUM_SEGMENTS_PER_REQUEST
fixtures.RPC_REQ_LARGE.repeat(numberOfRepetitions)
);
sdk.sendRequest(clientRequest).then((response) => {
// this will run when .onMessage resolves request
assert.equal(response.id, clientRequest.id);
// @ts-ignore
const pendingRequest = sdk.requestCache.getRequest(
clientRequest.id
);
assert.equal(pendingRequest, undefined);
done();
});
// return response for sdk sendRequest
// @ts-ignore
sdk.onMessage(exitNodeResponse.toMessage());
});
});
});
describe("should handle requests correctly when receiving a response", function () {

@@ -396,0 +557,0 @@ it("should remove request with matching response", async function () {

250

src/index.ts

@@ -14,2 +14,3 @@ // @ts-ignore

import fetch from "cross-fetch";
import retry from "async-retry";
import ReliabilityScore, { Stats } from "./reliability-score";

@@ -20,2 +21,4 @@ import RequestCache from "./request-cache";

const log = createLogger();
// max number of segments sdk can send to entry node
const MAXIMUM_SEGMENTS_PER_REQUEST = 100;
const DEADLOCK_MS = 1e3 * 60 * 0.5; // 30s

@@ -109,60 +112,67 @@

}> {
log.verbose("Selecting entry node");
const rawResponse: globalThis.Response = await fetch(
new URL(
"/api/v1/request/entry-node",
discoveryPlatformApiEndpoint
).toString(),
{
method: "POST",
headers: {
"Content-Type": "application/json",
"Accept-Content": "application/json",
},
body: JSON.stringify({
client: this.ops.client,
exclusionList,
}),
}
);
try {
this.selectingEntryNode = true;
log.verbose("Selecting entry node");
const rawResponse: globalThis.Response = await fetch(
new URL(
"/api/v1/request/entry-node",
discoveryPlatformApiEndpoint
).toString(),
{
method: "POST",
headers: {
"Content-Type": "application/json",
"Accept-Content": "application/json",
},
body: JSON.stringify({
client: this.ops.client,
exclusionList,
}),
}
);
const response: {
hoprd_api_endpoint: string;
accessToken: string;
id: string;
} = await rawResponse.json();
const response: {
hoprd_api_endpoint: string;
accessToken: string;
id: string;
} = await rawResponse.json();
// Check for error response
if (rawResponse.status !== 200) {
log.error("Failed to request entry node", rawResponse.status, response);
throw new Error(`Failed to request entry node`);
}
// Check for error response
if (rawResponse.status !== 200) {
log.error("Failed to request entry node", rawResponse.status, response);
throw new Error(`Failed to request entry node`);
}
const apiEndpointUrl = new URL(response.hoprd_api_endpoint);
const apiEndpointUrl = new URL(response.hoprd_api_endpoint);
this.entryNode = {
apiEndpoint: apiEndpointUrl.toString(),
apiToken: response.accessToken,
peerId: response.id,
};
log.verbose("Selected entry node", this.entryNode);
this.entryNode = {
apiEndpoint: apiEndpointUrl.toString(),
apiToken: response.accessToken,
peerId: response.id,
};
log.verbose("Selected entry node", this.entryNode);
// Refresh messageListener
if (this.stopMessageListener) this.stopMessageListener();
this.stopMessageListener = await hoprd.createMessageListener(
this.entryNode!.apiEndpoint,
this.entryNode!.apiToken,
(message) => {
try {
const segment = Segment.fromString(message);
this.segmentCache.onSegment(segment);
} catch (e) {
log.verbose(
"rejected received data from HOPRd: not a valid segment",
message
);
// Refresh messageListener
if (this.stopMessageListener) this.stopMessageListener();
this.stopMessageListener = await hoprd.createMessageListener(
this.entryNode!.apiEndpoint,
this.entryNode!.apiToken,
(message) => {
try {
const segment = Segment.fromString(message);
this.segmentCache.onSegment(segment);
} catch (e) {
log.verbose(
"rejected received data from HOPRd: not a valid segment",
message
);
}
}
}
);
return this.entryNode;
);
return this.entryNode;
} catch (error) {
throw error;
} finally {
this.selectingEntryNode = false;
}
}

@@ -216,37 +226,46 @@

const counter = await this.getKeyVal(
match.request.exitNodeDestination
).then((k) => BigInt(k || "0"));
try {
const counter = await this.getKeyVal(
match.request.exitNodeDestination
).then((k) => BigInt(k || "0"));
// construct Response from Message
const response = Response.fromMessage(
this.crypto!,
match.request,
message,
counter,
(exitNodeId, counter) => {
this.setKeyVal(exitNodeId, counter.toString());
}
);
// construct Response from Message
const response = Response.fromMessage(
this.crypto!,
match.request,
message,
counter,
(exitNodeId, counter) => {
this.setKeyVal(exitNodeId, counter.toString());
}
);
const responseTime = Date.now() - match.createdAt.getTime();
log.verbose(
"response time for request %s: %s ms",
match.request.id,
responseTime,
log.createMetric({
id: match.request.id,
responseTime: responseTime,
})
);
const responseTime = Date.now() - match.createdAt.getTime();
log.verbose(
"response time for request %s: %s ms",
match.request.id,
responseTime,
log.createMetric({
id: match.request.id,
responseTime: responseTime,
})
);
match.resolve(response);
this.reliabilityScore.addMetric(
match.request.entryNodeDestination,
match.request.id,
"success"
);
this.requestCache.removeRequest(match.request);
match.resolve(response);
this.reliabilityScore.addMetric(
match.request.entryNodeDestination,
match.request.id,
"success"
);
this.requestCache.removeRequest(match.request);
log.verbose("responded to %s with %s", match.request.body, response.body);
log.verbose("responded to %s with %s", match.request.body, response.body);
} catch (e) {
log.error(
"failed to decrypt message id %s with body",
message.id,
message.body
);
this.handleFailedRequest(match.request);
}
}

@@ -266,2 +285,15 @@

/**
* Remove request from requestCache and add failed metric
* @param req Request
* @returns void
*/
public handleFailedRequest(req: Request) {
// add metric failed metric
this.onRequestRemoval(req);
// reject request promise
this.requestCache.getRequest(req.id)?.reject("request failed");
this.requestCache.removeRequest(req);
}
/**
* Start the SDK and initialize necessary data.

@@ -313,2 +345,24 @@ */

// fetch required data from discovery platform
await retry(
() => this.selectEntryNode(this.ops.discoveryPlatformApiEndpoint),
{
retries: 5,
onRetry: (e, attempt) => {
log.error("Error while selecting entry node", e);
log.verbose("Retrying to select entry node, attempt:", attempt);
},
}
);
await retry(
() => this.fetchExitNodes(this.ops.discoveryPlatformApiEndpoint),
{
retries: 5,
onRetry: (e, attempt) => {
log.error("Error while fetching exit nodes", e);
log.verbose("Retrying to fetch exit nodes, attempt:", attempt);
},
}
);
// check for expires caches every second

@@ -324,8 +378,9 @@ this.intervals.push(

setInterval(() => {
this.fetchExitNodes(this.ops.discoveryPlatformApiEndpoint);
this.fetchExitNodes(this.ops.discoveryPlatformApiEndpoint).catch(
(error) => {
log.error("Failed to fetch exit nodes", error);
}
);
}, 60e3)
);
await this.selectEntryNode(this.ops.discoveryPlatformApiEndpoint);
await this.fetchExitNodes(this.ops.discoveryPlatformApiEndpoint);
}

@@ -365,3 +420,2 @@

try {
this.selectingEntryNode = true;
await this.selectEntryNode(

@@ -371,6 +425,4 @@ this.ops.discoveryPlatformApiEndpoint,

);
this.selectingEntryNode = false;
} catch (error) {
log.error("Couldn't find elegible node: ", error);
this.selectingEntryNode = false;
log.error("Couldn't find new entry node: ", error);
this.setDeadlock(DEADLOCK_MS);

@@ -439,2 +491,10 @@ }

if (segments.length > MAXIMUM_SEGMENTS_PER_REQUEST) {
log.error(
"Request exceeds maximum amount of segments with %s segments",
segments.length
);
return reject("Request is too big");
}
// Add request to request cache

@@ -464,5 +524,3 @@ this.requestCache.addRequest(req, resolve, reject);

// If any promises were rejected, remove request from cache and reject promise
this.onRequestRemoval(req);
this.requestCache.removeRequest(req);
reject("failed to send message to hoprd");
this.handleFailedRequest(req);
}

@@ -472,5 +530,3 @@ } catch (e) {

log.error("failed to send message to hoprd", e);
this.onRequestRemoval(req);
this.requestCache.removeRequest(req);
reject("failed to send message to hoprd");
this.handleFailedRequest(req);
}

@@ -477,0 +533,0 @@ });

.turbo/turbo-build.log

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coverage/clover.xml

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coverage/lcov-report/index.html

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coverage/lcov-report/index.ts.html

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coverage/lcov-report/reliability-score.ts.html

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coverage/lcov-report/request-cache.ts.html

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coverage/lcov-report/utils.ts.html

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coverage/lcov.info

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