Function ParseHashOrHeight

src/rpc/blockchain.cpp:169–194

}

CBlockIndex* ParseHashOrHeight(const UniValue& param, ChainstateManager& chainman) {
    LOCK(::cs_main);
    CChain& active_chain = chainman.ActiveChain();

    if (param.isNum()) {
        const int height{param.get_int()};
        if (height < 0) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Target block height %d is negative", height));
        }
        const int current_tip{active_chain.Height()};
        if (height > current_tip) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Target block height %d after current tip %d", height, current_tip));
        }

        return active_chain[height];
    } else {
        const uint256 hash{ParseHashV(param, "hash_or_height")};
        CBlockIndex* pindex = chainman.m_blockman.LookupBlockIndex(hash);

        if (!pindex) {
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
        }

        return pindex;
    }
}

UniValue blockheaderToJSON(const CBlockIndex* tip, const CBlockIndex* blockindex_)
{