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Merge bitcoin#23640: MOVEONLY: Move helper functions from rpcwallet t…
…o wallet/rpc/util ff945e5 MOVEONLY: Move utility functions from rpcwallet to wallet/rpc/util (Samuel Dobson) 7b04a06 Introduce wallet/rpc/util (Samuel Dobson) Pull request description: This is part one of multiple to split up rpcwallet.cpp into smaller, more logical units. See bitcoin#23622 for context and overall plan. I'll open PRs in stages to hopefully minimise conflicts. Can be reviewed with `--color-moved=dimmed-zebra` The end goal can be seen here: https://github.com/meshcollider/bitcoin/tree/202111_split_walletrpc ACKs for top commit: MarcoFalke: nice, ACK ff945e5 🐰 shaavan: ACK ff945e5 Tree-SHA512: 6e3d1de6db770fe2fca540c8c4f30183ab8258c26e3a1fb46937714d28818a52933eafbfcafe2995f6a6e2551a3f3dd3ec93363b81de7912c0d81f5749d1c86d
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| // Copyright (c) 2011-2021 The Bitcoin Core developers | ||
| // Distributed under the MIT software license, see the accompanying | ||
| // file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||
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| #include <wallet/rpc/util.h> | ||
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| #include <rpc/util.h> | ||
| #include <util/url.h> | ||
| #include <wallet/context.h> | ||
| #include <wallet/wallet.h> | ||
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| #include <univalue.h> | ||
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| 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"}; | ||
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| 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(); | ||
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| if (avoid_reuse && !can_avoid_reuse) { | ||
| throw JSONRPCError(RPC_WALLET_ERROR, "wallet does not have the \"avoid reuse\" feature enabled"); | ||
| } | ||
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| return avoid_reuse; | ||
| } | ||
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| /** 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); | ||
| } | ||
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| // otherwise return whatever include_watchonly was set to | ||
| return include_watchonly.get_bool(); | ||
| } | ||
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| 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; | ||
| } | ||
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| std::shared_ptr<CWallet> GetWalletForJSONRPCRequest(const JSONRPCRequest& request) | ||
| { | ||
| CHECK_NONFATAL(request.mode == JSONRPCRequest::EXECUTE); | ||
| WalletContext& context = EnsureWalletContext(request.context); | ||
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| 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; | ||
| } | ||
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| std::vector<std::shared_ptr<CWallet>> wallets = GetWallets(context); | ||
| if (wallets.size() == 1) { | ||
| return wallets[0]; | ||
| } | ||
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| 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)."); | ||
| } | ||
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| void EnsureWalletIsUnlocked(const CWallet& wallet) | ||
| { | ||
| if (wallet.IsLocked()) { | ||
| throw JSONRPCError(RPC_WALLET_UNLOCK_NEEDED, "Error: Please enter the wallet passphrase with walletpassphrase first."); | ||
| } | ||
| } | ||
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| 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; | ||
| } | ||
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| // 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; | ||
| } | ||
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| 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; | ||
| } | ||
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| 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; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| // Copyright (c) 2017-2021 The Bitcoin Core developers | ||
| // Distributed under the MIT software license, see the accompanying | ||
| // file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||
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| #ifndef BITCOIN_WALLET_RPC_UTIL_H | ||
| #define BITCOIN_WALLET_RPC_UTIL_H | ||
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| #include <any> | ||
| #include <memory> | ||
| #include <string> | ||
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| class CWallet; | ||
| class JSONRPCRequest; | ||
| class LegacyScriptPubKeyMan; | ||
| class UniValue; | ||
| struct WalletContext; | ||
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| extern const std::string HELP_REQUIRING_PASSPHRASE; | ||
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| /** | ||
| * 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); | ||
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| void EnsureWalletIsUnlocked(const CWallet&); | ||
| WalletContext& EnsureWalletContext(const std::any& context); | ||
| LegacyScriptPubKeyMan& EnsureLegacyScriptPubKeyMan(CWallet& wallet, bool also_create = false); | ||
| const LegacyScriptPubKeyMan& EnsureConstLegacyScriptPubKeyMan(const CWallet& wallet); | ||
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| bool GetAvoidReuseFlag(const CWallet& wallet, const UniValue& param); | ||
| bool ParseIncludeWatchonly(const UniValue& include_watchonly, const CWallet& wallet); | ||
| std::string LabelFromValue(const UniValue& value); | ||
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| #endif // BITCOIN_WALLET_RPC_UTIL_H |
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