Examples with ChainDataUnavailableException tech.pegasys.teku.storage.client.ChainDataUnavailableException used on opensource projects

Example 1 with ChainDataUnavailableException

use of tech.pegasys.teku.storage.client.ChainDataUnavailableException in project teku by ConsenSys.

the class ChainDataProvider method validatorParameterToIndex.

private Optional<Integer> validatorParameterToIndex(final tech.pegasys.teku.spec.datastructures.state.beaconstate.BeaconState state, final String validatorParameter) {
    if (!isStoreAvailable()) {
        throw new ChainDataUnavailableException();
    }
    if (validatorParameter.toLowerCase().startsWith("0x")) {
        final Bytes48 keyBytes = getBytes48FromParameter(validatorParameter);
        try {
            return spec.getValidatorIndex(state, BLSPublicKey.fromBytesCompressed(keyBytes));
        } catch (IllegalArgumentException ex) {
            return Optional.empty();
        }
    }
    try {
        final UInt64 numericValidator = UInt64.valueOf(validatorParameter);
        if (numericValidator.isGreaterThan(UInt64.valueOf(Integer.MAX_VALUE))) {
            throw new BadRequestException(String.format("Validator Index is too high to use: %s", validatorParameter));
        }
        final int validatorIndex = numericValidator.intValue();
        final int validatorCount = state.getValidators().size();
        if (validatorIndex > validatorCount) {
            return Optional.empty();
        }
        return Optional.of(validatorIndex);
    } catch (NumberFormatException ex) {
        throw new BadRequestException(String.format("Invalid validator: %s", validatorParameter));
    }
}

Example 2 with ChainDataUnavailableException

use of tech.pegasys.teku.storage.client.ChainDataUnavailableException 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())));
    }
}