Examples with SERVICE_UNAVAILABLE tech.pegasys.teku.infrastructure.http.RestApiConstants.SERVICE_UNAVAILABLE used on opensource projects

Example 1 with SERVICE_UNAVAILABLE

use of tech.pegasys.teku.infrastructure.http.RestApiConstants.SERVICE_UNAVAILABLE in project teku by ConsenSys.

the class GetNewBlock method handle.

@OpenApi(path = OAPI_ROUTE, deprecated = true, method = HttpMethod.GET, summary = "Produce unsigned block", tags = { TAG_VALIDATOR, TAG_VALIDATOR_REQUIRED }, description = "Requests a beacon node to produce a valid block, which can then be signed by a validator.\n\n" + "__NOTE__: deprecated, switch to using `/eth/v2/validator/blocks/{slot}` for multiple milestone support.", pathParams = { @OpenApiParam(name = SLOT, description = "The slot for which the block should be proposed.") }, queryParams = { @OpenApiParam(name = RANDAO_REVEAL, description = "`BLSSignature Hex` BLS12-381 signature for the current epoch.", required = true), @OpenApiParam(name = GRAFFITI, description = "`Bytes32 Hex` Graffiti.") }, responses = { @OpenApiResponse(status = RES_OK, content = @OpenApiContent(from = GetNewBlockResponse.class)), @OpenApiResponse(status = RES_BAD_REQUEST, description = "Invalid parameter supplied"), @OpenApiResponse(status = RES_INTERNAL_ERROR), @OpenApiResponse(status = RES_SERVICE_UNAVAILABLE, description = SERVICE_UNAVAILABLE) })
@Override
public void handle(final Context ctx) throws Exception {
    try {
        final Map<String, List<String>> queryParamMap = ctx.queryParamMap();
        final Map<String, String> pathParamMap = ctx.pathParamMap();
        final UInt64 slot = UInt64.valueOf(pathParamMap.get(SLOT));
        final BLSSignature randao = getParameterValueAsBLSSignature(queryParamMap, RANDAO_REVEAL);
        final Optional<Bytes32> graffiti = getOptionalParameterValueAsBytes32(queryParamMap, GRAFFITI);
        ctx.future(provider.getUnsignedBeaconBlockAtSlot(slot, randao, graffiti).thenApplyChecked(maybeBlock -> {
            if (maybeBlock.isEmpty()) {
                throw new ChainDataUnavailableException();
            }
            return produceResultString(maybeBlock.get());
        }).exceptionallyCompose(error -> handleError(ctx, error)));
    } catch (final IllegalArgumentException e) {
        ctx.status(SC_BAD_REQUEST);
        ctx.json(jsonProvider.objectToJSON(new BadRequest(e.getMessage())));
    }
}