Move txoutproof RPCs to txoutproof.cpp

1 files changed, 0 insertions, 153 deletions

diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index 1ef531b293..148734f31a 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -11,7 +11,6 @@
 #include <core_io.h>
 #include <index/txindex.h>
 #include <key_io.h>
-#include <merkleblock.h>
 #include <node/blockstorage.h>
 #include <node/coin.h>
 #include <node/context.h>
@@ -268,155 +267,6 @@ static RPCHelpMan getrawtransaction()
     };
 }
 
-static RPCHelpMan gettxoutproof()
-{
-    return RPCHelpMan{"gettxoutproof",
-                "\nReturns a hex-encoded proof that \"txid\" was included in a block.\n"
-                "\nNOTE: By default this function only works sometimes. This is when there is an\n"
-                "unspent output in the utxo for this transaction. To make it always work,\n"
-                "you need to maintain a transaction index, using the -txindex command line option or\n"
-                "specify the block in which the transaction is included manually (by blockhash).\n",
-                {
-                    {"txids", RPCArg::Type::ARR, RPCArg::Optional::NO, "The txids to filter",
-                        {
-                            {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "A transaction hash"},
-                        },
-                        },
-                    {"blockhash", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED_NAMED_ARG, "If specified, looks for txid in the block with this hash"},
-                },
-                RPCResult{
-                    RPCResult::Type::STR, "data", "A string that is a serialized, hex-encoded data for the proof."
-                },
-                RPCExamples{""},
-        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
-{
-    std::set<uint256> setTxids;
-    UniValue txids = request.params[0].get_array();
-    if (txids.empty()) {
-        throw JSONRPCError(RPC_INVALID_PARAMETER, "Parameter 'txids' cannot be empty");
-    }
-    for (unsigned int idx = 0; idx < txids.size(); idx++) {
-        auto ret = setTxids.insert(ParseHashV(txids[idx], "txid"));
-        if (!ret.second) {
-            throw JSONRPCError(RPC_INVALID_PARAMETER, std::string("Invalid parameter, duplicated txid: ") + txids[idx].get_str());
-        }
-    }
-
-    const CBlockIndex* pblockindex = nullptr;
-    uint256 hashBlock;
-    ChainstateManager& chainman = EnsureAnyChainman(request.context);
-    if (!request.params[1].isNull()) {
-        LOCK(cs_main);
-        hashBlock = ParseHashV(request.params[1], "blockhash");
-        pblockindex = chainman.m_blockman.LookupBlockIndex(hashBlock);
-        if (!pblockindex) {
-            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
-        }
-    } else {
-        LOCK(cs_main);
-        CChainState& active_chainstate = chainman.ActiveChainstate();
-
-        // Loop through txids and try to find which block they're in. Exit loop once a block is found.
-        for (const auto& tx : setTxids) {
-            const Coin& coin = AccessByTxid(active_chainstate.CoinsTip(), tx);
-            if (!coin.IsSpent()) {
-                pblockindex = active_chainstate.m_chain[coin.nHeight];
-                break;
-            }
-        }
-    }
-
-
-    // Allow txindex to catch up if we need to query it and before we acquire cs_main.
-    if (g_txindex && !pblockindex) {
-        g_txindex->BlockUntilSyncedToCurrentChain();
-    }
-
-    LOCK(cs_main);
-
-    if (pblockindex == nullptr) {
-        const CTransactionRef tx = GetTransaction(/* block_index */ nullptr, /* mempool */ nullptr, *setTxids.begin(), Params().GetConsensus(), hashBlock);
-        if (!tx || hashBlock.IsNull()) {
-            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction not yet in block");
-        }
-        pblockindex = chainman.m_blockman.LookupBlockIndex(hashBlock);
-        if (!pblockindex) {
-            throw JSONRPCError(RPC_INTERNAL_ERROR, "Transaction index corrupt");
-        }
-    }
-
-    CBlock block;
-    if (!ReadBlockFromDisk(block, pblockindex, Params().GetConsensus())) {
-        throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk");
-    }
-
-    unsigned int ntxFound = 0;
-    for (const auto& tx : block.vtx) {
-        if (setTxids.count(tx->GetHash())) {
-            ntxFound++;
-        }
-    }
-    if (ntxFound != setTxids.size()) {
-        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Not all transactions found in specified or retrieved block");
-    }
-
-    CDataStream ssMB(SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS);
-    CMerkleBlock mb(block, setTxids);
-    ssMB << mb;
-    std::string strHex = HexStr(ssMB);
-    return strHex;
-},
-    };
-}
-
-static RPCHelpMan verifytxoutproof()
-{
-    return RPCHelpMan{"verifytxoutproof",
-                "\nVerifies that a proof points to a transaction in a block, returning the transaction it commits to\n"
-                "and throwing an RPC error if the block is not in our best chain\n",
-                {
-                    {"proof", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hex-encoded proof generated by gettxoutproof"},
-                },
-                RPCResult{
-                    RPCResult::Type::ARR, "", "",
-                    {
-                        {RPCResult::Type::STR_HEX, "txid", "The txid(s) which the proof commits to, or empty array if the proof cannot be validated."},
-                    }
-                },
-                RPCExamples{""},
-        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
-{
-    CDataStream ssMB(ParseHexV(request.params[0], "proof"), SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS);
-    CMerkleBlock merkleBlock;
-    ssMB >> merkleBlock;
-
-    UniValue res(UniValue::VARR);
-
-    std::vector<uint256> vMatch;
-    std::vector<unsigned int> vIndex;
-    if (merkleBlock.txn.ExtractMatches(vMatch, vIndex) != merkleBlock.header.hashMerkleRoot)
-        return res;
-
-    ChainstateManager& chainman = EnsureAnyChainman(request.context);
-    LOCK(cs_main);
-
-    const CBlockIndex* pindex = chainman.m_blockman.LookupBlockIndex(merkleBlock.header.GetHash());
-    if (!pindex || !chainman.ActiveChain().Contains(pindex) || pindex->nTx == 0) {
-        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found in chain");
-    }
-
-    // Check if proof is valid, only add results if so
-    if (pindex->nTx == merkleBlock.txn.GetNumTransactions()) {
-        for (const uint256& hash : vMatch) {
-            res.push_back(hash.GetHex());
-        }
-    }
-
-    return res;
-},
-    };
-}
-
 static RPCHelpMan createrawtransaction()
 {
     return RPCHelpMan{"createrawtransaction",
@@ -2089,9 +1939,6 @@ static const CRPCCommand commands[] =
     { "rawtransactions",     &utxoupdatepsbt,             },
     { "rawtransactions",     &joinpsbts,                  },
     { "rawtransactions",     &analyzepsbt,                },
-
-    { "blockchain",          &gettxoutproof,              },
-    { "blockchain",          &verifytxoutproof,           },
 };
 // clang-format on
     for (const auto& c : commands) {