diff --git a/src/rpc/client.cpp b/src/rpc/client.cpp index 6667db0ab..8f6bdc21a 100644 --- a/src/rpc/client.cpp +++ b/src/rpc/client.cpp @@ -36,6 +36,7 @@ static const CRPCConvertParam vRPCConvertParams[] = { "sendtoaddress", 4, "subtractfeefromamount" }, { "sendtoaddress", 5 , "replaceable" }, { "sendtoaddress", 6 , "conf_target" }, + { "sendtoaddress", 8, "avoid_reuse" }, { "settxfee", 0, "amount" }, { "sethdseed", 0, "newkeypool" }, { "getreceivedbyaddress", 1, "minconf" }, @@ -48,6 +49,7 @@ static const CRPCConvertParam vRPCConvertParams[] = { "listreceivedbylabel", 2, "include_watchonly" }, { "getbalance", 1, "minconf" }, { "getbalance", 2, "include_watchonly" }, + { "getbalance", 3, "avoid_reuse" }, { "getblockhash", 0, "height" }, { "waitforblockheight", 0, "height" }, { "waitforblockheight", 1, "timeout" }, @@ -163,6 +165,7 @@ static const CRPCConvertParam vRPCConvertParams[] = { "rescanblockchain", 1, "stop_height"}, { "createwallet", 1, "disable_private_keys"}, { "createwallet", 2, "blank"}, + { "createwallet", 4, "avoid_reuse"}, { "getnodeaddresses", 0, "count"}, { "stop", 0, "wait" }, }; diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index d47be1dea..237fb2837 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -321,7 +321,7 @@ static UniValue setlabel(const JSONRPCRequest& request) static CTransactionRef SendMoney(interfaces::Chain::Lock& locked_chain, CWallet * const pwallet, const CTxDestination &address, CAmount nValue, bool fSubtractFeeFromAmount, const CCoinControl& coin_control, mapValue_t mapValue) { - CAmount curBalance = pwallet->GetBalance().m_mine_trusted; + CAmount curBalance = pwallet->GetBalance(0, coin_control.m_avoid_address_reuse).m_mine_trusted; // Check amount if (nValue <= 0) @@ -368,7 +368,7 @@ static UniValue sendtoaddress(const JSONRPCRequest& request) return NullUniValue; } - if (request.fHelp || request.params.size() < 2 || request.params.size() > 8) + if (request.fHelp || request.params.size() < 2 || request.params.size() > 9) throw std::runtime_error( RPCHelpMan{"sendtoaddress", "\nSend an amount to a given address." + @@ -389,6 +389,8 @@ static UniValue sendtoaddress(const JSONRPCRequest& request) " \"UNSET\"\n" " \"ECONOMICAL\"\n" " \"CONSERVATIVE\""}, + {"avoid_reuse", RPCArg::Type::BOOL, /* default */ pwallet->IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE) ? "true" : "unavailable", "Avoid spending from dirty addresses; addresses are considered\n" + " dirty if they have previously been used in a transaction."}, }, RPCResult{ "\"txid\" (string) The transaction id.\n" @@ -445,6 +447,7 @@ static UniValue sendtoaddress(const JSONRPCRequest& request) } } + coin_control.m_avoid_address_reuse = GetAvoidReuseFlag(pwallet, request.params[8]); EnsureWalletIsUnlocked(pwallet); @@ -734,7 +737,7 @@ static UniValue getbalance(const JSONRPCRequest& request) return NullUniValue; } - if (request.fHelp || (request.params.size() > 3 )) + if (request.fHelp || request.params.size() > 4) throw std::runtime_error( RPCHelpMan{"getbalance", "\nReturns the total available balance.\n" @@ -744,6 +747,7 @@ static UniValue getbalance(const JSONRPCRequest& request) {"dummy", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, "Remains for backward compatibility. Must be excluded or set to \"*\"."}, {"minconf", RPCArg::Type::NUM, /* default */ "0", "Only include transactions confirmed at least this many times."}, {"include_watchonly", RPCArg::Type::BOOL, /* default */ "false", "Also include balance in watch-only addresses (see 'importaddress')"}, + {"avoid_reuse", RPCArg::Type::BOOL, /* default */ pwallet->IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE) ? "true" : "unavailable", "Do not include balance in dirty outputs; addresses are considered dirty if they have previously been used in a transaction."}, }, RPCResult{ "amount (numeric) The total amount in " + CURRENCY_UNIT + " received for this wallet.\n" @@ -780,7 +784,9 @@ static UniValue getbalance(const JSONRPCRequest& request) include_watchonly = true; } - const auto bal = pwallet->GetBalance(min_depth); + bool avoid_reuse = GetAvoidReuseFlag(pwallet, request.params[3]); + + const auto bal = pwallet->GetBalance(min_depth, avoid_reuse); return ValueFromAmount(bal.m_mine_trusted + (include_watchonly ? bal.m_watchonly_trusted : 0)); } @@ -2474,6 +2480,7 @@ static UniValue getwalletinfo(const JSONRPCRequest& request) " \"paytxfee\": x.xxxx, (numeric) the transaction fee configuration, set in " + CURRENCY_UNIT + "/kB\n" " \"hdseedid\": \"\" (string, optional) the Hash160 of the HD seed (only present when HD is enabled)\n" " \"private_keys_enabled\": true|false (boolean) false if privatekeys are disabled for this wallet (enforced watch-only wallet)\n" + " \"avoid_reuse\": true|false (boolean) whether this wallet tracks clean/dirty coins in terms of reuse\n" " \"scanning\": (json object) current scanning details, or false if no scan is in progress\n" " {\n" " \"duration\" : xxxx (numeric) elapsed seconds since scan start\n" @@ -2522,6 +2529,7 @@ static UniValue getwalletinfo(const JSONRPCRequest& request) obj.pushKV("hdseedid", seed_id.GetHex()); } obj.pushKV("private_keys_enabled", !pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)); + obj.pushKV("avoid_reuse", pwallet->IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)); if (pwallet->IsScanning()) { UniValue scanning(UniValue::VOBJ); scanning.pushKV("duration", pwallet->ScanningDuration() / 1000); @@ -2730,6 +2738,7 @@ static UniValue createwallet(const JSONRPCRequest& request) {"disable_private_keys", RPCArg::Type::BOOL, /* default */ "false", "Disable the possibility of private keys (only watchonlys are possible in this mode)."}, {"blank", RPCArg::Type::BOOL, /* default */ "false", "Create a blank wallet. A blank wallet has no keys or HD seed. One can be set using sethdseed."}, {"passphrase", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "Encrypt the wallet with this passphrase."}, + {"avoid_reuse", RPCArg::Type::BOOL, /* default */ "false", "Keep track of coin reuse, and treat dirty and clean coins differently with privacy considerations in mind."}, }, RPCResult{ "{\n" @@ -2771,6 +2780,10 @@ static UniValue createwallet(const JSONRPCRequest& request) flags |= WALLET_FLAG_BLANK_WALLET; } + if (!request.params[4].isNull() && request.params[4].get_bool()) { + flags |= WALLET_FLAG_AVOID_REUSE; + } + WalletLocation location(request.params[0].get_str()); if (location.Exists()) { throw JSONRPCError(RPC_WALLET_ERROR, "Wallet " + location.GetName() + " already exists."); @@ -2872,6 +2885,8 @@ static UniValue listunspent(const JSONRPCRequest& request) return NullUniValue; } + bool avoid_reuse = pwallet->IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE); + if (request.fHelp || request.params.size() > 5) throw std::runtime_error( RPCHelpMan{"listunspent", @@ -2911,6 +2926,9 @@ static UniValue listunspent(const JSONRPCRequest& request) " \"witnessScript\" : \"script\" (string) witnessScript if the scriptPubKey is P2WSH or P2SH-P2WSH\n" " \"spendable\" : xxx, (bool) Whether we have the private keys to spend this output\n" " \"solvable\" : xxx, (bool) Whether we know how to spend this output, ignoring the lack of keys\n" + + (avoid_reuse ? + " \"reused\" : xxx, (bool) Whether this output is reused/dirty (sent to an address that was previously spent from)\n" : + "") + " \"desc\" : xxx, (string, only when solvable) A descriptor for spending this output\n" " \"safe\" : xxx (bool) Whether this output is considered safe to spend. Unconfirmed transactions\n" " from outside keys and unconfirmed replacement transactions are considered unsafe\n" @@ -2990,9 +3008,11 @@ static UniValue listunspent(const JSONRPCRequest& request) UniValue results(UniValue::VARR); std::vector vecOutputs; { + CCoinControl cctl; + cctl.m_avoid_address_reuse = false; auto locked_chain = pwallet->chain().lock(); LOCK(pwallet->cs_wallet); - pwallet->AvailableCoins(*locked_chain, vecOutputs, !include_unsafe, nullptr, nMinimumAmount, nMaximumAmount, nMinimumSumAmount, nMaximumCount, nMinDepth, nMaxDepth); + pwallet->AvailableCoins(*locked_chain, vecOutputs, !include_unsafe, &cctl, nMinimumAmount, nMaximumAmount, nMinimumSumAmount, nMaximumCount, nMinDepth, nMaxDepth); } LOCK(pwallet->cs_wallet); @@ -3001,6 +3021,7 @@ static UniValue listunspent(const JSONRPCRequest& request) CTxDestination address; const CScript& scriptPubKey = out.tx->tx->vout[out.i].scriptPubKey; bool fValidAddress = ExtractDestination(scriptPubKey, address); + bool reused = avoid_reuse && pwallet->IsUsedDestination(address); if (destinations.size() && (!fValidAddress || !destinations.count(address))) continue; @@ -3057,6 +3078,7 @@ static UniValue listunspent(const JSONRPCRequest& request) auto descriptor = InferDescriptor(scriptPubKey, *pwallet); entry.pushKV("desc", descriptor->ToString()); } + if (avoid_reuse) entry.pushKV("reused", reused); entry.pushKV("safe", out.fSafe); results.push_back(entry); } @@ -4261,13 +4283,13 @@ static const CRPCCommand commands[] = { "wallet", "addmultisigaddress", &addmultisigaddress, {"nrequired","keys","label","address_type"} }, { "wallet", "backupwallet", &backupwallet, {"destination"} }, { "wallet", "bumpfee", &bumpfee, {"txid", "options"} }, - { "wallet", "createwallet", &createwallet, {"wallet_name", "disable_private_keys", "blank", "passphrase"} }, + { "wallet", "createwallet", &createwallet, {"wallet_name", "disable_private_keys", "blank", "passphrase", "avoid_reuse"} }, { "wallet", "dumpprivkey", &dumpprivkey, {"address"} }, { "wallet", "dumpwallet", &dumpwallet, {"filename"} }, { "wallet", "encryptwallet", &encryptwallet, {"passphrase"} }, { "wallet", "getaddressesbylabel", &getaddressesbylabel, {"label"} }, { "wallet", "getaddressinfo", &getaddressinfo, {"address"} }, - { "wallet", "getbalance", &getbalance, {"dummy","minconf","include_watchonly"} }, + { "wallet", "getbalance", &getbalance, {"dummy","minconf","include_watchonly","avoid_reuse"} }, { "wallet", "getnewaddress", &getnewaddress, {"label","address_type"} }, { "wallet", "getrawchangeaddress", &getrawchangeaddress, {"address_type"} }, { "wallet", "getreceivedbyaddress", &getreceivedbyaddress, {"address","minconf"} }, @@ -4298,7 +4320,7 @@ static const CRPCCommand commands[] = { "wallet", "removeprunedfunds", &removeprunedfunds, {"txid"} }, { "wallet", "rescanblockchain", &rescanblockchain, {"start_height", "stop_height"} }, { "wallet", "sendmany", &sendmany, {"dummy","amounts","minconf","comment","subtractfeefrom","replaceable","conf_target","estimate_mode"} }, - { "wallet", "sendtoaddress", &sendtoaddress, {"address","amount","comment","comment_to","subtractfeefromamount","replaceable","conf_target","estimate_mode"} }, + { "wallet", "sendtoaddress", &sendtoaddress, {"address","amount","comment","comment_to","subtractfeefromamount","replaceable","conf_target","estimate_mode","avoid_reuse"} }, { "wallet", "sethdseed", &sethdseed, {"newkeypool","seed"} }, { "wallet", "setlabel", &setlabel, {"address","label"} }, { "wallet", "settxfee", &settxfee, {"amount"} },