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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | 40x 40x 40x 40x 40x 40x 40x 7x 7x 7x 5x 5x 3x 3x 3x 3x 3x 3x 1x 2x 2x | import {
CardanoNodeUtil,
ProviderError,
ProviderFailure,
TxSubmitProvider,
providerFailureToStatusCodeMap
} from '@cardano-sdk/core';
import { HttpServer, HttpService } from '../Http';
import { Logger } from 'ts-log';
import { ServiceNames } from '../Program/programs/types';
import { providerHandler } from '../util';
import bodyParser from 'body-parser';
import express from 'express';
export interface TxSubmitHttpServiceDependencies {
logger: Logger;
txSubmitProvider: TxSubmitProvider;
}
export class TxSubmitHttpService extends HttpService {
constructor(
{ logger, txSubmitProvider }: TxSubmitHttpServiceDependencies,
router: express.Router = express.Router()
) {
super(ServiceNames.TxSubmit, txSubmitProvider, router, __dirname, logger);
router.use(bodyParser.raw());
router.post(
'/submit',
providerHandler(txSubmitProvider.submitTx.bind(txSubmitProvider))(async (_, _r, res, _n, handler) => {
try {
return HttpServer.sendJSON(res, await handler(_r.body));
} catch (error) {
logger.error(error);
const firstError = Array.isArray(error) ? error[0] : error;
// TODO: once all providers implement Provider,
// move this check to a base class method
let isHealthy;
try {
isHealthy = (await txSubmitProvider.healthCheck()).ok;
} catch {
isHealthy = false;
}
Iif (CardanoNodeUtil.isProviderError(error)) {
return HttpServer.sendJSON(res, error, providerFailureToStatusCodeMap[error.reason]);
}
if (!isHealthy) {
return HttpServer.sendJSON(res, new ProviderError(ProviderFailure.Unhealthy, firstError), 503);
}
if (CardanoNodeUtil.asTxSubmissionError(error)) {
return HttpServer.sendJSON(res, new ProviderError(ProviderFailure.BadRequest, firstError), 400);
}
return HttpServer.sendJSON(res, new ProviderError(ProviderFailure.Unknown, firstError), 500);
}
}, logger)
);
}
}
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