Examples with InvalidCheckpointException tech.pegasys.teku.spec.datastructures.forkchoice.InvalidCheckpointException used on opensource projects

Example 1 with InvalidCheckpointException

use of tech.pegasys.teku.spec.datastructures.forkchoice.InvalidCheckpointException in project teku by ConsenSys.

the class ForkChoice method onAttestation.

public SafeFuture<AttestationProcessingResult> onAttestation(final ValidateableAttestation attestation) {
    return recentChainData.retrieveCheckpointState(attestation.getData().getTarget()).thenCompose(maybeTargetState -> {
        final UpdatableStore store = recentChainData.getStore();
        final AttestationProcessingResult validationResult = spec.validateAttestation(store, attestation, maybeTargetState);
        if (!validationResult.isSuccessful()) {
            return SafeFuture.completedFuture(validationResult);
        }
        return onForkChoiceThread(() -> {
            final VoteUpdater transaction = recentChainData.startVoteUpdate();
            getForkChoiceStrategy().onAttestation(transaction, getIndexedAttestation(attestation));
            transaction.commit();
        }).thenApply(__ -> validationResult);
    }).exceptionallyCompose(error -> {
        final Throwable rootCause = Throwables.getRootCause(error);
        if (rootCause instanceof InvalidCheckpointException) {
            return SafeFuture.completedFuture(AttestationProcessingResult.invalid(rootCause.getMessage()));
        }
        return SafeFuture.failedFuture(error);
    });
}