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MOVEONLY: Move utility functions from rpcwallet to wallet/rpc/util
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meshcollider committed Dec 1, 2021
1 parent 7b04a06 commit ff945e5
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Showing 6 changed files with 148 additions and 139 deletions.
2 changes: 1 addition & 1 deletion src/wallet/rpc/signmessage.cpp
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Expand Up @@ -5,7 +5,7 @@
#include <key_io.h>
#include <rpc/util.h>
#include <util/message.h>
#include <wallet/rpcwallet.h>
#include <wallet/rpc/util.h>
#include <wallet/wallet.h>

#include <univalue.h>
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117 changes: 117 additions & 0 deletions src/wallet/rpc/util.cpp
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Expand Up @@ -3,3 +3,120 @@
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <wallet/rpc/util.h>

#include <rpc/util.h>
#include <util/url.h>
#include <wallet/context.h>
#include <wallet/wallet.h>

#include <univalue.h>

static const std::string WALLET_ENDPOINT_BASE = "/wallet/";
const std::string HELP_REQUIRING_PASSPHRASE{"\nRequires wallet passphrase to be set with walletpassphrase call if wallet is encrypted.\n"};

bool GetAvoidReuseFlag(const CWallet& wallet, const UniValue& param) {
bool can_avoid_reuse = wallet.IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE);
bool avoid_reuse = param.isNull() ? can_avoid_reuse : param.get_bool();

if (avoid_reuse && !can_avoid_reuse) {
throw JSONRPCError(RPC_WALLET_ERROR, "wallet does not have the \"avoid reuse\" feature enabled");
}

return avoid_reuse;
}

/** Used by RPC commands that have an include_watchonly parameter.
* We default to true for watchonly wallets if include_watchonly isn't
* explicitly set.
*/
bool ParseIncludeWatchonly(const UniValue& include_watchonly, const CWallet& wallet)
{
if (include_watchonly.isNull()) {
// if include_watchonly isn't explicitly set, then check if we have a watchonly wallet
return wallet.IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
}

// otherwise return whatever include_watchonly was set to
return include_watchonly.get_bool();
}

bool GetWalletNameFromJSONRPCRequest(const JSONRPCRequest& request, std::string& wallet_name)
{
if (URL_DECODE && request.URI.substr(0, WALLET_ENDPOINT_BASE.size()) == WALLET_ENDPOINT_BASE) {
// wallet endpoint was used
wallet_name = URL_DECODE(request.URI.substr(WALLET_ENDPOINT_BASE.size()));
return true;
}
return false;
}

std::shared_ptr<CWallet> GetWalletForJSONRPCRequest(const JSONRPCRequest& request)
{
CHECK_NONFATAL(request.mode == JSONRPCRequest::EXECUTE);
WalletContext& context = EnsureWalletContext(request.context);

std::string wallet_name;
if (GetWalletNameFromJSONRPCRequest(request, wallet_name)) {
const std::shared_ptr<CWallet> pwallet = GetWallet(context, wallet_name);
if (!pwallet) throw JSONRPCError(RPC_WALLET_NOT_FOUND, "Requested wallet does not exist or is not loaded");
return pwallet;
}

std::vector<std::shared_ptr<CWallet>> wallets = GetWallets(context);
if (wallets.size() == 1) {
return wallets[0];
}

if (wallets.empty()) {
throw JSONRPCError(
RPC_WALLET_NOT_FOUND, "No wallet is loaded. Load a wallet using loadwallet or create a new one with createwallet. (Note: A default wallet is no longer automatically created)");
}
throw JSONRPCError(RPC_WALLET_NOT_SPECIFIED,
"Wallet file not specified (must request wallet RPC through /wallet/<filename> uri-path).");
}

void EnsureWalletIsUnlocked(const CWallet& wallet)
{
if (wallet.IsLocked()) {
throw JSONRPCError(RPC_WALLET_UNLOCK_NEEDED, "Error: Please enter the wallet passphrase with walletpassphrase first.");
}
}

WalletContext& EnsureWalletContext(const std::any& context)
{
auto wallet_context = util::AnyPtr<WalletContext>(context);
if (!wallet_context) {
throw JSONRPCError(RPC_INTERNAL_ERROR, "Wallet context not found");
}
return *wallet_context;
}

// also_create should only be set to true only when the RPC is expected to add things to a blank wallet and make it no longer blank
LegacyScriptPubKeyMan& EnsureLegacyScriptPubKeyMan(CWallet& wallet, bool also_create)
{
LegacyScriptPubKeyMan* spk_man = wallet.GetLegacyScriptPubKeyMan();
if (!spk_man && also_create) {
spk_man = wallet.GetOrCreateLegacyScriptPubKeyMan();
}
if (!spk_man) {
throw JSONRPCError(RPC_WALLET_ERROR, "This type of wallet does not support this command");
}
return *spk_man;
}

const LegacyScriptPubKeyMan& EnsureConstLegacyScriptPubKeyMan(const CWallet& wallet)
{
const LegacyScriptPubKeyMan* spk_man = wallet.GetLegacyScriptPubKeyMan();
if (!spk_man) {
throw JSONRPCError(RPC_WALLET_ERROR, "This type of wallet does not support this command");
}
return *spk_man;
}

std::string LabelFromValue(const UniValue& value)
{
std::string label = value.get_str();
if (label == "*")
throw JSONRPCError(RPC_WALLET_INVALID_LABEL_NAME, "Invalid label name");
return label;
}
28 changes: 28 additions & 0 deletions src/wallet/rpc/util.h
Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,34 @@
#ifndef BITCOIN_WALLET_RPC_UTIL_H
#define BITCOIN_WALLET_RPC_UTIL_H

#include <any>
#include <memory>
#include <string>

class CWallet;
class JSONRPCRequest;
class LegacyScriptPubKeyMan;
class UniValue;
struct WalletContext;

extern const std::string HELP_REQUIRING_PASSPHRASE;

/**
* Figures out what wallet, if any, to use for a JSONRPCRequest.
*
* @param[in] request JSONRPCRequest that wishes to access a wallet
* @return nullptr if no wallet should be used, or a pointer to the CWallet
*/
std::shared_ptr<CWallet> GetWalletForJSONRPCRequest(const JSONRPCRequest& request);
bool GetWalletNameFromJSONRPCRequest(const JSONRPCRequest& request, std::string& wallet_name);

void EnsureWalletIsUnlocked(const CWallet&);
WalletContext& EnsureWalletContext(const std::any& context);
LegacyScriptPubKeyMan& EnsureLegacyScriptPubKeyMan(CWallet& wallet, bool also_create = false);
const LegacyScriptPubKeyMan& EnsureConstLegacyScriptPubKeyMan(const CWallet& wallet);

bool GetAvoidReuseFlag(const CWallet& wallet, const UniValue& param);
bool ParseIncludeWatchonly(const UniValue& include_watchonly, const CWallet& wallet);
std::string LabelFromValue(const UniValue& value);

#endif // BITCOIN_WALLET_RPC_UTIL_H
2 changes: 1 addition & 1 deletion src/wallet/rpcdump.cpp
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Expand Up @@ -17,7 +17,7 @@
#include <util/system.h>
#include <util/time.h>
#include <util/translation.h>
#include <wallet/rpcwallet.h>
#include <wallet/rpc/util.h>
#include <wallet/wallet.h>

#include <stdint.h>
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111 changes: 1 addition & 110 deletions src/wallet/rpcwallet.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@
#include <wallet/load.h>
#include <wallet/receive.h>
#include <wallet/rpcwallet.h>
#include <wallet/rpc/util.h>
#include <wallet/spend.h>
#include <wallet/wallet.h>
#include <wallet/walletdb.h>
Expand All @@ -46,36 +47,6 @@

using interfaces::FoundBlock;

static const std::string WALLET_ENDPOINT_BASE = "/wallet/";
const std::string HELP_REQUIRING_PASSPHRASE{"\nRequires wallet passphrase to be set with walletpassphrase call if wallet is encrypted.\n"};

static inline bool GetAvoidReuseFlag(const CWallet& wallet, const UniValue& param) {
bool can_avoid_reuse = wallet.IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE);
bool avoid_reuse = param.isNull() ? can_avoid_reuse : param.get_bool();

if (avoid_reuse && !can_avoid_reuse) {
throw JSONRPCError(RPC_WALLET_ERROR, "wallet does not have the \"avoid reuse\" feature enabled");
}

return avoid_reuse;
}


/** Used by RPC commands that have an include_watchonly parameter.
* We default to true for watchonly wallets if include_watchonly isn't
* explicitly set.
*/
static bool ParseIncludeWatchonly(const UniValue& include_watchonly, const CWallet& wallet)
{
if (include_watchonly.isNull()) {
// if include_watchonly isn't explicitly set, then check if we have a watchonly wallet
return wallet.IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
}

// otherwise return whatever include_watchonly was set to
return include_watchonly.get_bool();
}


/** Checks if a CKey is in the given CWallet compressed or otherwise*/
bool HaveKey(const SigningProvider& wallet, const CKey& key)
Expand All @@ -85,79 +56,6 @@ bool HaveKey(const SigningProvider& wallet, const CKey& key)
return wallet.HaveKey(key.GetPubKey().GetID()) || wallet.HaveKey(key2.GetPubKey().GetID());
}

bool GetWalletNameFromJSONRPCRequest(const JSONRPCRequest& request, std::string& wallet_name)
{
if (URL_DECODE && request.URI.substr(0, WALLET_ENDPOINT_BASE.size()) == WALLET_ENDPOINT_BASE) {
// wallet endpoint was used
wallet_name = URL_DECODE(request.URI.substr(WALLET_ENDPOINT_BASE.size()));
return true;
}
return false;
}

std::shared_ptr<CWallet> GetWalletForJSONRPCRequest(const JSONRPCRequest& request)
{
CHECK_NONFATAL(request.mode == JSONRPCRequest::EXECUTE);
WalletContext& context = EnsureWalletContext(request.context);

std::string wallet_name;
if (GetWalletNameFromJSONRPCRequest(request, wallet_name)) {
const std::shared_ptr<CWallet> pwallet = GetWallet(context, wallet_name);
if (!pwallet) throw JSONRPCError(RPC_WALLET_NOT_FOUND, "Requested wallet does not exist or is not loaded");
return pwallet;
}

std::vector<std::shared_ptr<CWallet>> wallets = GetWallets(context);
if (wallets.size() == 1) {
return wallets[0];
}

if (wallets.empty()) {
throw JSONRPCError(
RPC_WALLET_NOT_FOUND, "No wallet is loaded. Load a wallet using loadwallet or create a new one with createwallet. (Note: A default wallet is no longer automatically created)");
}
throw JSONRPCError(RPC_WALLET_NOT_SPECIFIED,
"Wallet file not specified (must request wallet RPC through /wallet/<filename> uri-path).");
}

void EnsureWalletIsUnlocked(const CWallet& wallet)
{
if (wallet.IsLocked()) {
throw JSONRPCError(RPC_WALLET_UNLOCK_NEEDED, "Error: Please enter the wallet passphrase with walletpassphrase first.");
}
}

WalletContext& EnsureWalletContext(const std::any& context)
{
auto wallet_context = util::AnyPtr<WalletContext>(context);
if (!wallet_context) {
throw JSONRPCError(RPC_INTERNAL_ERROR, "Wallet context not found");
}
return *wallet_context;
}

// also_create should only be set to true only when the RPC is expected to add things to a blank wallet and make it no longer blank
LegacyScriptPubKeyMan& EnsureLegacyScriptPubKeyMan(CWallet& wallet, bool also_create)
{
LegacyScriptPubKeyMan* spk_man = wallet.GetLegacyScriptPubKeyMan();
if (!spk_man && also_create) {
spk_man = wallet.GetOrCreateLegacyScriptPubKeyMan();
}
if (!spk_man) {
throw JSONRPCError(RPC_WALLET_ERROR, "This type of wallet does not support this command");
}
return *spk_man;
}

const LegacyScriptPubKeyMan& EnsureConstLegacyScriptPubKeyMan(const CWallet& wallet)
{
const LegacyScriptPubKeyMan* spk_man = wallet.GetLegacyScriptPubKeyMan();
if (!spk_man) {
throw JSONRPCError(RPC_WALLET_ERROR, "This type of wallet does not support this command");
}
return *spk_man;
}

static void WalletTxToJSON(const CWallet& wallet, const CWalletTx& wtx, UniValue& entry)
{
interfaces::Chain& chain = wallet.chain();
Expand Down Expand Up @@ -200,13 +98,6 @@ static void WalletTxToJSON(const CWallet& wallet, const CWalletTx& wtx, UniValue
entry.pushKV(item.first, item.second);
}

static std::string LabelFromValue(const UniValue& value)
{
std::string label = value.get_str();
if (label == "*")
throw JSONRPCError(RPC_WALLET_INVALID_LABEL_NAME, "Invalid label name");
return label;
}

/**
* Update coin control with fee estimation based on the given parameters
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27 changes: 0 additions & 27 deletions src/wallet/rpcwallet.h
Original file line number Diff line number Diff line change
Expand Up @@ -7,37 +7,10 @@

#include <span.h>

#include <any>
#include <memory>
#include <string>
#include <vector>

class CRPCCommand;
class CWallet;
class JSONRPCRequest;
class LegacyScriptPubKeyMan;
class UniValue;
class CTransaction;
struct PartiallySignedTransaction;
struct WalletContext;

extern const std::string HELP_REQUIRING_PASSPHRASE;

Span<const CRPCCommand> GetWalletRPCCommands();

/**
* Figures out what wallet, if any, to use for a JSONRPCRequest.
*
* @param[in] request JSONRPCRequest that wishes to access a wallet
* @return nullptr if no wallet should be used, or a pointer to the CWallet
*/
std::shared_ptr<CWallet> GetWalletForJSONRPCRequest(const JSONRPCRequest& request);

void EnsureWalletIsUnlocked(const CWallet&);
WalletContext& EnsureWalletContext(const std::any& context);
LegacyScriptPubKeyMan& EnsureLegacyScriptPubKeyMan(CWallet& wallet, bool also_create = false);
const LegacyScriptPubKeyMan& EnsureConstLegacyScriptPubKeyMan(const CWallet& wallet);

RPCHelpMan getaddressinfo();
RPCHelpMan signrawtransactionwithwallet();
#endif // BITCOIN_WALLET_RPCWALLET_H

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