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[wallet] Add ProcessImportLegacy()

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This commit adds a ProcessImportLegacy() function which
currently does nothing. It also unindents a block of
code for a future move-only change.

Reviewer hint: review with -w to ignore whitespace changes.
This commit is contained in:
John Newbery 2019-01-11 16:42:43 -05:00 committed by MeshCollider
parent a1b25e12a5
commit 4cac0ddd25
1 changed files with 131 additions and 123 deletions
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254
src/wallet/rpcdump.cpp
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@ -964,6 +964,12 @@ static std::string RecurseImportData(const CScript& script, ImportData& import_d
}
}
static UniValue ProcessImportLegacy(ImportData& import_data, std::map<CKeyID, CPubKey>& pubkey_map, std::map<CKeyID, CKey>& privkey_map, std::set<CScript>& script_pub_keys, bool& have_solving_data, const UniValue& data)
{
UniValue warnings(UniValue::VARR);
return warnings;
}
static UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, const int64_t timestamp) EXCLUSIVE_LOCKS_REQUIRED(pwallet->cs_wallet)
{
UniValue warnings(UniValue::VARR);
@ -983,141 +989,143 @@ static UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, con
std::set<CScript> script_pub_keys;
bool have_solving_data;
// First ensure scriptPubKey has either a script or JSON with "address" string
const UniValue& scriptPubKey = data["scriptPubKey"];
bool isScript = scriptPubKey.getType() == UniValue::VSTR;
if (!isScript && !(scriptPubKey.getType() == UniValue::VOBJ && scriptPubKey.exists("address"))) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "scriptPubKey must be string with script or JSON with address string");
warnings = ProcessImportLegacy(import_data, pubkey_map, privkey_map, script_pub_keys, have_solving_data, data);
// First ensure scriptPubKey has either a script or JSON with "address" string
const UniValue& scriptPubKey = data["scriptPubKey"];
bool isScript = scriptPubKey.getType() == UniValue::VSTR;
if (!isScript && !(scriptPubKey.getType() == UniValue::VOBJ && scriptPubKey.exists("address"))) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "scriptPubKey must be string with script or JSON with address string");
}
const std::string& output = isScript ? scriptPubKey.get_str() : scriptPubKey["address"].get_str();
// Optional fields.
const std::string& strRedeemScript = data.exists("redeemscript") ? data["redeemscript"].get_str() : "";
const std::string& witness_script_hex = data.exists("witnessscript") ? data["witnessscript"].get_str() : "";
const UniValue& pubKeys = data.exists("pubkeys") ? data["pubkeys"].get_array() : UniValue();
const UniValue& keys = data.exists("keys") ? data["keys"].get_array() : UniValue();
const bool watchOnly = data.exists("watchonly") ? data["watchonly"].get_bool() : false;
// If private keys are disabled, abort if private keys are being imported
if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !keys.isNull()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Cannot import private keys to a wallet with private keys disabled");
}
// Generate the script and destination for the scriptPubKey provided
CScript script;
CTxDestination dest;
if (!isScript) {
dest = DecodeDestination(output);
if (!IsValidDestination(dest)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address \"" + output + "\"");
}
const std::string& output = isScript ? scriptPubKey.get_str() : scriptPubKey["address"].get_str();
script = GetScriptForDestination(dest);
} else {
if (!IsHex(output)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid scriptPubKey \"" + output + "\"");
}
std::vector<unsigned char> vData(ParseHex(output));
script = CScript(vData.begin(), vData.end());
if (!ExtractDestination(script, dest) && !internal) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Internal must be set to true for nonstandard scriptPubKey imports.");
}
}
script_pub_keys.emplace(script);
// Optional fields.
const std::string& strRedeemScript = data.exists("redeemscript") ? data["redeemscript"].get_str() : "";
const std::string& witness_script_hex = data.exists("witnessscript") ? data["witnessscript"].get_str() : "";
const UniValue& pubKeys = data.exists("pubkeys") ? data["pubkeys"].get_array() : UniValue();
const UniValue& keys = data.exists("keys") ? data["keys"].get_array() : UniValue();
const bool watchOnly = data.exists("watchonly") ? data["watchonly"].get_bool() : false;
// Parse all arguments
if (strRedeemScript.size()) {
if (!IsHex(strRedeemScript)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid redeem script \"" + strRedeemScript + "\": must be hex string");
}
auto parsed_redeemscript = ParseHex(strRedeemScript);
import_data.redeemscript = MakeUnique<CScript>(parsed_redeemscript.begin(), parsed_redeemscript.end());
}
if (witness_script_hex.size()) {
if (!IsHex(witness_script_hex)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid witness script \"" + witness_script_hex + "\": must be hex string");
}
auto parsed_witnessscript = ParseHex(witness_script_hex);
import_data.witnessscript = MakeUnique<CScript>(parsed_witnessscript.begin(), parsed_witnessscript.end());
}
for (size_t i = 0; i < pubKeys.size(); ++i) {
const auto& str = pubKeys[i].get_str();
if (!IsHex(str)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey \"" + str + "\" must be a hex string");
}
auto parsed_pubkey = ParseHex(str);
CPubKey pubkey(parsed_pubkey.begin(), parsed_pubkey.end());
if (!pubkey.IsFullyValid()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey \"" + str + "\" is not a valid public key");
}
pubkey_map.emplace(pubkey.GetID(), pubkey);
}
for (size_t i = 0; i < keys.size(); ++i) {
const auto& str = keys[i].get_str();
CKey key = DecodeSecret(str);
if (!key.IsValid()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
}
CPubKey pubkey = key.GetPubKey();
CKeyID id = pubkey.GetID();
if (pubkey_map.count(id)) {
pubkey_map.erase(id);
}
privkey_map.emplace(id, key);
}
// If private keys are disabled, abort if private keys are being imported
if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !keys.isNull()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Cannot import private keys to a wallet with private keys disabled");
// Verify and process input data
have_solving_data = import_data.redeemscript || import_data.witnessscript || pubkey_map.size() || privkey_map.size();
if (have_solving_data) {
// Match up data in import_data with the scriptPubKey in script.
auto error = RecurseImportData(script, import_data, ScriptContext::TOP);
// Verify whether the watchonly option corresponds to the availability of private keys.
bool spendable = std::all_of(import_data.used_keys.begin(), import_data.used_keys.end(), [&](const std::pair<CKeyID, bool>& used_key){ return privkey_map.count(used_key.first) > 0; });
if (!watchOnly && !spendable) {
warnings.push_back("Some private keys are missing, outputs will be considered watchonly. If this is intentional, specify the watchonly flag.");
}
if (watchOnly && spendable) {
warnings.push_back("All private keys are provided, outputs will be considered spendable. If this is intentional, do not specify the watchonly flag.");
}
// Generate the script and destination for the scriptPubKey provided
CScript script;
CTxDestination dest;
if (!isScript) {
dest = DecodeDestination(output);
if (!IsValidDestination(dest)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address \"" + output + "\"");
// Check that all required keys for solvability are provided.
if (error.empty()) {
for (const auto& require_key : import_data.used_keys) {
if (!require_key.second) continue; // Not a required key
if (pubkey_map.count(require_key.first) == 0 && privkey_map.count(require_key.first) == 0) {
error = "some required keys are missing";
}
}
script = GetScriptForDestination(dest);
}
if (!error.empty()) {
warnings.push_back("Importing as non-solvable: " + error + ". If this is intentional, don't provide any keys, pubkeys, witnessscript, or redeemscript.");
import_data = ImportData();
pubkey_map.clear();
privkey_map.clear();
have_solving_data = false;
} else {
if (!IsHex(output)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid scriptPubKey \"" + output + "\"");
}
std::vector<unsigned char> vData(ParseHex(output));
script = CScript(vData.begin(), vData.end());
if (!ExtractDestination(script, dest) && !internal) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Internal must be set to true for nonstandard scriptPubKey imports.");
}
}
script_pub_keys.emplace(script);
// Parse all arguments
if (strRedeemScript.size()) {
if (!IsHex(strRedeemScript)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid redeem script \"" + strRedeemScript + "\": must be hex string");
}
auto parsed_redeemscript = ParseHex(strRedeemScript);
import_data.redeemscript = MakeUnique<CScript>(parsed_redeemscript.begin(), parsed_redeemscript.end());
}
if (witness_script_hex.size()) {
if (!IsHex(witness_script_hex)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid witness script \"" + witness_script_hex + "\": must be hex string");
}
auto parsed_witnessscript = ParseHex(witness_script_hex);
import_data.witnessscript = MakeUnique<CScript>(parsed_witnessscript.begin(), parsed_witnessscript.end());
}
for (size_t i = 0; i < pubKeys.size(); ++i) {
const auto& str = pubKeys[i].get_str();
if (!IsHex(str)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey \"" + str + "\" must be a hex string");
}
auto parsed_pubkey = ParseHex(str);
CPubKey pubkey(parsed_pubkey.begin(), parsed_pubkey.end());
if (!pubkey.IsFullyValid()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey \"" + str + "\" is not a valid public key");
}
pubkey_map.emplace(pubkey.GetID(), pubkey);
}
for (size_t i = 0; i < keys.size(); ++i) {
const auto& str = keys[i].get_str();
CKey key = DecodeSecret(str);
if (!key.IsValid()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
}
CPubKey pubkey = key.GetPubKey();
CKeyID id = pubkey.GetID();
if (pubkey_map.count(id)) {
pubkey_map.erase(id);
}
privkey_map.emplace(id, key);
}
// Verify and process input data
have_solving_data = import_data.redeemscript || import_data.witnessscript || pubkey_map.size() || privkey_map.size();
if (have_solving_data) {
// Match up data in import_data with the scriptPubKey in script.
auto error = RecurseImportData(script, import_data, ScriptContext::TOP);
// Verify whether the watchonly option corresponds to the availability of private keys.
bool spendable = std::all_of(import_data.used_keys.begin(), import_data.used_keys.end(), [&](const std::pair<CKeyID, bool>& used_key){ return privkey_map.count(used_key.first) > 0; });
if (!watchOnly && !spendable) {
warnings.push_back("Some private keys are missing, outputs will be considered watchonly. If this is intentional, specify the watchonly flag.");
}
if (watchOnly && spendable) {
warnings.push_back("All private keys are provided, outputs will be considered spendable. If this is intentional, do not specify the watchonly flag.");
}
// Check that all required keys for solvability are provided.
if (error.empty()) {
for (const auto& require_key : import_data.used_keys) {
if (!require_key.second) continue; // Not a required key
if (pubkey_map.count(require_key.first) == 0 && privkey_map.count(require_key.first) == 0) {
error = "some required keys are missing";
}
// RecurseImportData() removes any relevant redeemscript/witnessscript from import_data, so we can use that to discover if a superfluous one was provided.
if (import_data.redeemscript) warnings.push_back("Ignoring redeemscript as this is not a P2SH script.");
if (import_data.witnessscript) warnings.push_back("Ignoring witnessscript as this is not a (P2SH-)P2WSH script.");
for (auto it = privkey_map.begin(); it != privkey_map.end(); ) {
auto oldit = it++;
if (import_data.used_keys.count(oldit->first) == 0) {
warnings.push_back("Ignoring irrelevant private key.");
privkey_map.erase(oldit);
}
}
if (!error.empty()) {
warnings.push_back("Importing as non-solvable: " + error + ". If this is intentional, don't provide any keys, pubkeys, witnessscript, or redeemscript.");
import_data = ImportData();
pubkey_map.clear();
privkey_map.clear();
have_solving_data = false;
} else {
// RecurseImportData() removes any relevant redeemscript/witnessscript from import_data, so we can use that to discover if a superfluous one was provided.
if (import_data.redeemscript) warnings.push_back("Ignoring redeemscript as this is not a P2SH script.");
if (import_data.witnessscript) warnings.push_back("Ignoring witnessscript as this is not a (P2SH-)P2WSH script.");
for (auto it = privkey_map.begin(); it != privkey_map.end(); ) {
auto oldit = it++;
if (import_data.used_keys.count(oldit->first) == 0) {
warnings.push_back("Ignoring irrelevant private key.");
privkey_map.erase(oldit);
}
}
for (auto it = pubkey_map.begin(); it != pubkey_map.end(); ) {
auto oldit = it++;
auto key_data_it = import_data.used_keys.find(oldit->first);
if (key_data_it == import_data.used_keys.end() || !key_data_it->second) {
warnings.push_back("Ignoring public key \"" + HexStr(oldit->first) + "\" as it doesn't appear inside P2PKH or P2WPKH.");
pubkey_map.erase(oldit);
}
for (auto it = pubkey_map.begin(); it != pubkey_map.end(); ) {
auto oldit = it++;
auto key_data_it = import_data.used_keys.find(oldit->first);
if (key_data_it == import_data.used_keys.end() || !key_data_it->second) {
warnings.push_back("Ignoring public key \"" + HexStr(oldit->first) + "\" as it doesn't appear inside P2PKH or P2WPKH.");
pubkey_map.erase(oldit);
}
}
}
}
// Check whether we have any work to do
for (const CScript& script : script_pub_keys) {