bool leveldb_validate_block::is_output_spent(
const output_point& outpoint)
{
input_point input_spend;
if (!common_->fetch_spend(outpoint, input_spend))
return false;
// Lookup block height. Is the spend after the fork point?
return transaction_exists(input_spend.hash);
}
bool validate_block_impl::is_output_spent(
const chain::output_point& outpoint) const
{
hash_digest out_hash;
const auto result = chain_.get_outpoint_transaction(out_hash, outpoint);
if (!result)
return false;
// Lookup block height. Is the spend after the fork point?
return transaction_exists(out_hash);
}