{"version":3,"file":"algo-http-client-with-retry.mjs","sources":["../../src/types/algo-http-client-with-retry.ts"],"sourcesContent":["import { IntDecoding, parseJSON, stringifyJSON } from 'algosdk'\nimport { BaseHTTPClientResponse, Query, URLTokenBaseHTTPClient } from 'algosdk/client'\nimport { Config } from '../config'\n\n/** A HTTP Client that wraps the Algorand SDK HTTP Client with retries */\nexport class AlgoHttpClientWithRetry extends URLTokenBaseHTTPClient {\n private static readonly MAX_TRIES = 5\n private static readonly MAX_BACKOFF_MS = 10000\n\n // These lists come from https://visionmedia.github.io/superagent/#retrying-requests\n // which is the underlying library used by algosdk - but the CloudFlare specific 52X status codes have been removed\n private static readonly RETRY_STATUS_CODES = [408, 413, 429, 500, 502, 503, 504]\n private static readonly RETRY_ERROR_CODES = [\n 'ETIMEDOUT',\n 'ECONNRESET',\n 'EADDRINUSE',\n 'ECONNREFUSED',\n 'EPIPE',\n 'ENOTFOUND',\n 'ENETUNREACH',\n 'EAI_AGAIN',\n 'EPROTO', // We get this intermittently with AlgoNode API\n ]\n\n private async callWithRetry(func: () => Promise): Promise {\n let response: BaseHTTPClientResponse | undefined\n let numTries = 1\n do {\n try {\n response = await func()\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n } catch (err: any) {\n if (numTries >= AlgoHttpClientWithRetry.MAX_TRIES) {\n throw err\n }\n // Only retry for one of the hardcoded conditions\n if (\n !(\n AlgoHttpClientWithRetry.RETRY_ERROR_CODES.includes(err.code) ||\n AlgoHttpClientWithRetry.RETRY_STATUS_CODES.includes(Number(err.status)) ||\n ('response' in err && AlgoHttpClientWithRetry.RETRY_STATUS_CODES.includes(Number(err.response.status)))\n )\n ) {\n throw err\n }\n // Retry immediately the first time, then exponentially backoff.\n const delayTimeMs = numTries == 1 ? 0 : Math.min(1000 * Math.pow(2, numTries - 1), AlgoHttpClientWithRetry.MAX_BACKOFF_MS)\n if (delayTimeMs > 0) {\n await new Promise((r) => setTimeout(r, delayTimeMs))\n }\n Config.logger.warn(`algosdk request failed ${numTries} times. Retrying in ${delayTimeMs}ms: ${err}`)\n }\n } while (!response && ++numTries <= AlgoHttpClientWithRetry.MAX_TRIES)\n return response!\n }\n\n async get(relativePath: string, query?: Query, requestHeaders: Record = {}): Promise {\n const response = await this.callWithRetry(() => super.get(relativePath, query, requestHeaders))\n if (\n relativePath.startsWith('/v2/accounts/') &&\n relativePath.endsWith('/created-applications') &&\n response.status === 200 &&\n query?.['include-all']?.toString() === 'true'\n ) {\n // todo: Temporary hack\n // Indexer get created applications by account returns approvalProgram and clearStateProgram as null, which breaks the algosdk@3 decoder\n // instead we will detect this call and set them to empty byte arrays\n try {\n const json = parseJSON(Buffer.from(response.body).toString(), { intDecoding: IntDecoding.MIXED })\n if (json.applications) {\n for (const app of json.applications) {\n if (app.params) {\n if (app.params['approval-program'] === null) {\n app.params['approval-program'] = ''\n }\n if (app.params['clear-state-program'] === null) {\n app.params['clear-state-program'] = ''\n }\n }\n }\n response.body = Buffer.from(stringifyJSON(json))\n }\n } catch (e) {\n // Make this hack resilient so we never break the app\n Config.logger.warn('Failed to fix indexer response for created applications', e)\n }\n }\n return response\n }\n\n async post(\n relativePath: string,\n data: Uint8Array,\n query?: Query,\n requestHeaders: Record = {},\n ): Promise {\n return await this.callWithRetry(() => super.post(relativePath, data, query, requestHeaders))\n }\n\n async delete(\n relativePath: string,\n data: Uint8Array,\n query?: Query,\n requestHeaders: Record = {},\n ): Promise {\n return await this.callWithRetry(() => super.delete(relativePath, data, query, requestHeaders))\n }\n}\n"],"names":[],"mappings":";;;;AAIA;AACM,MAAO,uBAAwB,SAAQ,sBAAsB,CAAA;IAmBzD,MAAM,aAAa,CAAC,IAA2C,EAAA;AACrE,QAAA,IAAI,QAA4C;QAChD,IAAI,QAAQ,GAAG,CAAC;AAChB,QAAA,GAAG;AACD,YAAA,IAAI;AACF,gBAAA,QAAQ,GAAG,MAAM,IAAI,EAAE;;;YAEvB,OAAO,GAAQ,EAAE;AACjB,gBAAA,IAAI,QAAQ,IAAI,uBAAuB,CAAC,SAAS,EAAE;AACjD,oBAAA,MAAM,GAAG;;;gBAGX,IACE,EACE,uBAAuB,CAAC,iBAAiB,CAAC,QAAQ,CAAC,GAAG,CAAC,IAAI,CAAC;oBAC5D,uBAAuB,CAAC,kBAAkB,CAAC,QAAQ,CAAC,MAAM,CAAC,GAAG,CAAC,MAAM,CAAC,CAAC;qBACtE,UAAU,IAAI,GAAG,IAAI,uBAAuB,CAAC,kBAAkB,CAAC,QAAQ,CAAC,MAAM,CAAC,GAAG,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,CACxG,EACD;AACA,oBAAA,MAAM,GAAG;;;AAGX,gBAAA,MAAM,WAAW,GAAG,QAAQ,IAAI,CAAC,GAAG,CAAC,GAAG,IAAI,CAAC,GAAG,CAAC,IAAI,GAAG,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,QAAQ,GAAG,CAAC,CAAC,EAAE,uBAAuB,CAAC,cAAc,CAAC;AAC1H,gBAAA,IAAI,WAAW,GAAG,CAAC,EAAE;AACnB,oBAAA,MAAM,IAAI,OAAO,CAAC,CAAC,CAAC,KAAK,UAAU,CAAC,CAAC,EAAE,WAAW,CAAC,CAAC;;AAEtD,gBAAA,MAAM,CAAC,MAAM,CAAC,IAAI,CAAC,CAAA,uBAAA,EAA0B,QAAQ,CAAA,oBAAA,EAAuB,WAAW,CAAA,IAAA,EAAO,GAAG,CAAA,CAAE,CAAC;;SAEvG,QAAQ,CAAC,QAAQ,IAAI,EAAE,QAAQ,IAAI,uBAAuB,CAAC,SAAS;AACrE,QAAA,OAAO,QAAS;;IAGlB,MAAM,GAAG,CAAC,YAAoB,EAAE,KAAqB,EAAE,iBAAyC,EAAE,EAAA;QAChG,MAAM,QAAQ,GAAG,MAAM,IAAI,CAAC,aAAa,CAAC,MAAM,KAAK,CAAC,GAAG,CAAC,YAAY,EAAE,KAAK,EAAE,cAAc,CAAC,CAAC;AAC/F,QAAA,IACE,YAAY,CAAC,UAAU,CAAC,eAAe,CAAC;AACxC,YAAA,YAAY,CAAC,QAAQ,CAAC,uBAAuB,CAAC;YAC9C,QAAQ,CAAC,MAAM,KAAK,GAAG;YACvB,KAAK,GAAG,aAAa,CAAC,EAAE,QAAQ,EAAE,KAAK,MAAM,EAC7C;;;;AAIA,YAAA,IAAI;gBACF,MAAM,IAAI,GAAG,SAAS,CAAC,MAAM,CAAC,IAAI,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,QAAQ,EAAE,EAAE,EAAE,WAAW,EAAE,WAAW,CAAC,KAAK,EAAE,CAAC;AACjG,gBAAA,IAAI,IAAI,CAAC,YAAY,EAAE;AACrB,oBAAA,KAAK,MAAM,GAAG,IAAI,IAAI,CAAC,YAAY,EAAE;AACnC,wBAAA,IAAI,GAAG,CAAC,MAAM,EAAE;4BACd,IAAI,GAAG,CAAC,MAAM,CAAC,kBAAkB,CAAC,KAAK,IAAI,EAAE;AAC3C,gCAAA,GAAG,CAAC,MAAM,CAAC,kBAAkB,CAAC,GAAG,EAAE;;4BAErC,IAAI,GAAG,CAAC,MAAM,CAAC,qBAAqB,CAAC,KAAK,IAAI,EAAE;AAC9C,gCAAA,GAAG,CAAC,MAAM,CAAC,qBAAqB,CAAC,GAAG,EAAE;;;;AAI5C,oBAAA,QAAQ,CAAC,IAAI,GAAG,MAAM,CAAC,IAAI,CAAC,aAAa,CAAC,IAAI,CAAC,CAAC;;;YAElD,OAAO,CAAC,EAAE;;gBAEV,MAAM,CAAC,MAAM,CAAC,IAAI,CAAC,yDAAyD,EAAE,CAAC,CAAC;;;AAGpF,QAAA,OAAO,QAAQ;;IAGjB,MAAM,IAAI,CACR,YAAoB,EACpB,IAAgB,EAChB,KAAqB,EACrB,cAAA,GAAyC,EAAE,EAAA;QAE3C,OAAO,MAAM,IAAI,CAAC,aAAa,CAAC,MAAM,KAAK,CAAC,IAAI,CAAC,YAAY,EAAE,IAAI,EAAE,KAAK,EAAE,cAAc,CAAC,CAAC;;IAG9F,MAAM,MAAM,CACV,YAAoB,EACpB,IAAgB,EAChB,KAAqB,EACrB,cAAA,GAAyC,EAAE,EAAA;QAE3C,OAAO,MAAM,IAAI,CAAC,aAAa,CAAC,MAAM,KAAK,CAAC,MAAM,CAAC,YAAY,EAAE,IAAI,EAAE,KAAK,EAAE,cAAc,CAAC,CAAC;;;AAnGxE,uBAAS,CAAA,SAAA,GAAG,CAAC;AACb,uBAAc,CAAA,cAAA,GAAG,KAAK;AAE9C;AACA;AACwB,uBAAA,CAAA,kBAAkB,GAAG,CAAC,GAAG,EAAE,GAAG,EAAE,GAAG,EAAE,GAAG,EAAE,GAAG,EAAE,GAAG,EAAE,GAAG,CAAC;AACxD,uBAAA,CAAA,iBAAiB,GAAG;IAC1C,WAAW;IACX,YAAY;IACZ,YAAY;IACZ,cAAc;IACd,OAAO;IACP,WAAW;IACX,aAAa;IACb,WAAW;AACX,IAAA,QAAQ;CACT;;;;"}