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-rw-r--r--src/rpc/misc.cpp109
-rw-r--r--src/rpc/util.cpp68
-rw-r--r--src/rpc/util.h19
3 files changed, 119 insertions, 77 deletions
diff --git a/src/rpc/misc.cpp b/src/rpc/misc.cpp
index 95a27d474b..62bcdea31c 100644
--- a/src/rpc/misc.cpp
+++ b/src/rpc/misc.cpp
@@ -15,6 +15,7 @@
#include <netbase.h>
#include <rpc/blockchain.h>
#include <rpc/server.h>
+#include <rpc/util.h>
#include <timedata.h>
#include <util.h>
#include <utilstrencodings.h>
@@ -254,88 +255,21 @@ UniValue validateaddress(const JSONRPCRequest& request)
// Needed even with !ENABLE_WALLET, to pass (ignored) pointers around
class CWallet;
-/**
- * Used by addmultisigaddress / createmultisig:
- */
-CScript _createmultisig_redeemScript(CWallet * const pwallet, const UniValue& params)
-{
- int nRequired = params[0].get_int();
- const UniValue& keys = params[1].get_array();
-
- // Gather public keys
- if (nRequired < 1)
- throw std::runtime_error("a multisignature address must require at least one key to redeem");
- if ((int)keys.size() < nRequired)
- throw std::runtime_error(
- strprintf("not enough keys supplied "
- "(got %u keys, but need at least %d to redeem)", keys.size(), nRequired));
- if (keys.size() > 16)
- throw std::runtime_error("Number of addresses involved in the multisignature address creation > 16\nReduce the number");
- std::vector<CPubKey> pubkeys;
- pubkeys.resize(keys.size());
- for (unsigned int i = 0; i < keys.size(); i++)
- {
- const std::string& ks = keys[i].get_str();
-#ifdef ENABLE_WALLET
- // Case 1: Bitcoin address and we have full public key:
- CTxDestination dest = DecodeDestination(ks);
- if (pwallet && IsValidDestination(dest)) {
- CKeyID key = GetKeyForDestination(*pwallet, dest);
- if (key.IsNull()) {
- throw std::runtime_error(strprintf("%s does not refer to a key", ks));
- }
- CPubKey vchPubKey;
- if (!pwallet->GetPubKey(key, vchPubKey)) {
- throw std::runtime_error(strprintf("no full public key for address %s", ks));
- }
- if (!vchPubKey.IsFullyValid())
- throw std::runtime_error(" Invalid public key: "+ks);
- pubkeys[i] = vchPubKey;
- }
-
- // Case 2: hex public key
- else
-#endif
- if (IsHex(ks))
- {
- CPubKey vchPubKey(ParseHex(ks));
- if (!vchPubKey.IsFullyValid())
- throw std::runtime_error(" Invalid public key: "+ks);
- pubkeys[i] = vchPubKey;
- }
- else
- {
- throw std::runtime_error(" Invalid public key: "+ks);
- }
- }
- CScript result = GetScriptForMultisig(nRequired, pubkeys);
-
- if (result.size() > MAX_SCRIPT_ELEMENT_SIZE)
- throw std::runtime_error(
- strprintf("redeemScript exceeds size limit: %d > %d", result.size(), MAX_SCRIPT_ELEMENT_SIZE));
-
- return result;
-}
-
UniValue createmultisig(const JSONRPCRequest& request)
{
-#ifdef ENABLE_WALLET
- CWallet * const pwallet = GetWalletForJSONRPCRequest(request);
-#else
- CWallet * const pwallet = nullptr;
-#endif
-
if (request.fHelp || request.params.size() < 2 || request.params.size() > 2)
{
std::string msg = "createmultisig nrequired [\"key\",...]\n"
"\nCreates a multi-signature address with n signature of m keys required.\n"
"It returns a json object with the address and redeemScript.\n"
-
+ "DEPRECATION WARNING: Using addresses with createmultisig is deprecated. Clients must\n"
+ "transition to using addmultisigaddress to create multisig addresses with addresses known\n"
+ "to the wallet before upgrading to v0.17. To use the deprecated functionality, start bitcoind with -deprecatedrpc=createmultisig\n"
"\nArguments:\n"
- "1. nrequired (numeric, required) The number of required signatures out of the n keys or addresses.\n"
- "2. \"keys\" (string, required) A json array of keys which are bitcoin addresses or hex-encoded public keys\n"
+ "1. nrequired (numeric, required) The number of required signatures out of the n keys or addresses.\n"
+ "2. \"keys\" (string, required) A json array of hex-encoded public keys\n"
" [\n"
- " \"key\" (string) bitcoin address or hex-encoded public key\n"
+ " \"key\" (string) The hex-encoded public key\n"
" ,...\n"
" ]\n"
@@ -346,16 +280,37 @@ UniValue createmultisig(const JSONRPCRequest& request)
"}\n"
"\nExamples:\n"
- "\nCreate a multisig address from 2 addresses\n"
- + HelpExampleCli("createmultisig", "2 \"[\\\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\\\",\\\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\\\"]\"") +
+ "\nCreate a multisig address from 2 public keys\n"
+ + HelpExampleCli("createmultisig", "2 \"[\\\"03789ed0bb717d88f7d321a368d905e7430207ebbd82bd342cf11ae157a7ace5fd\\\",\\\"03dbc6764b8884a92e871274b87583e6d5c2a58819473e17e107ef3f6aa5a61626\\\"]\"") +
"\nAs a json rpc call\n"
- + HelpExampleRpc("createmultisig", "2, \"[\\\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\\\",\\\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\\\"]\"")
+ + HelpExampleRpc("createmultisig", "2, \"[\\\"03789ed0bb717d88f7d321a368d905e7430207ebbd82bd342cf11ae157a7ace5fd\\\",\\\"03dbc6764b8884a92e871274b87583e6d5c2a58819473e17e107ef3f6aa5a61626\\\"]\"")
;
throw std::runtime_error(msg);
}
+ int required = request.params[0].get_int();
+
+ // Get the public keys
+ const UniValue& keys = request.params[1].get_array();
+ std::vector<CPubKey> pubkeys;
+ for (unsigned int i = 0; i < keys.size(); ++i) {
+ if (IsHex(keys[i].get_str()) && (keys[i].get_str().length() == 66 || keys[i].get_str().length() == 130)) {
+ pubkeys.push_back(HexToPubKey(keys[i].get_str()));
+ } else {
+#ifdef ENABLE_WALLET
+ CWallet* const pwallet = GetWalletForJSONRPCRequest(request);
+ if (IsDeprecatedRPCEnabled("createmultisig") && EnsureWalletIsAvailable(pwallet, false)) {
+ pubkeys.push_back(AddrToPubKey(pwallet, keys[i].get_str()));
+ } else
+#endif
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Invalid public key: %s\nNote that from v0.16, createmultisig no longer accepts addresses."
+ " Clients must transition to using addmultisigaddress to create multisig addresses with addresses known to the wallet before upgrading to v0.17."
+ " To use the deprecated functionality, start bitcoind with -deprecatedrpc=createmultisig", keys[i].get_str()));
+ }
+ }
+
// Construct using pay-to-script-hash:
- CScript inner = _createmultisig_redeemScript(pwallet, request.params);
+ CScript inner = CreateMultisigRedeemscript(required, pubkeys);
CScriptID innerID(inner);
UniValue result(UniValue::VOBJ);
diff --git a/src/rpc/util.cpp b/src/rpc/util.cpp
new file mode 100644
index 0000000000..09ded4e46e
--- /dev/null
+++ b/src/rpc/util.cpp
@@ -0,0 +1,68 @@
+// Copyright (c) 2017 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <base58.h>
+#include <keystore.h>
+#include <pubkey.h>
+#include <rpc/protocol.h>
+#include <rpc/util.h>
+#include <tinyformat.h>
+#include <utilstrencodings.h>
+
+// Converts a hex string to a public key if possible
+CPubKey HexToPubKey(const std::string& hex_in)
+{
+ if (!IsHex(hex_in)) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid public key: " + hex_in);
+ }
+ CPubKey vchPubKey(ParseHex(hex_in));
+ if (!vchPubKey.IsFullyValid()) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid public key: " + hex_in);
+ }
+ return vchPubKey;
+}
+
+// Retrieves a public key for an address from the given CKeyStore
+CPubKey AddrToPubKey(CKeyStore* const keystore, const std::string& addr_in)
+{
+ CTxDestination dest = DecodeDestination(addr_in);
+ if (!IsValidDestination(dest)) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address: " + addr_in);
+ }
+ CKeyID key = GetKeyForDestination(*keystore, dest);
+ if (key.IsNull()) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("%s does not refer to a key", addr_in));
+ }
+ CPubKey vchPubKey;
+ if (!keystore->GetPubKey(key, vchPubKey)) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("no full public key for address %s", addr_in));
+ }
+ if (!vchPubKey.IsFullyValid()) {
+ throw JSONRPCError(RPC_INTERNAL_ERROR, "Wallet contains an invalid public key");
+ }
+ return vchPubKey;
+}
+
+// Creates a multisig redeemscript from a given list of public keys and number required.
+CScript CreateMultisigRedeemscript(const int required, const std::vector<CPubKey>& pubkeys)
+{
+ // Gather public keys
+ if (required < 1) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "a multisignature address must require at least one key to redeem");
+ }
+ if ((int)pubkeys.size() < required) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("not enough keys supplied (got %u keys, but need at least %d to redeem)", pubkeys.size(), required));
+ }
+ if (pubkeys.size() > 16) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Number of keys involved in the multisignature address creation > 16\nReduce the number");
+ }
+
+ CScript result = GetScriptForMultisig(required, pubkeys);
+
+ if (result.size() > MAX_SCRIPT_ELEMENT_SIZE) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, (strprintf("redeemScript exceeds size limit: %d > %d", result.size(), MAX_SCRIPT_ELEMENT_SIZE)));
+ }
+
+ return result;
+}
diff --git a/src/rpc/util.h b/src/rpc/util.h
new file mode 100644
index 0000000000..568a4260ba
--- /dev/null
+++ b/src/rpc/util.h
@@ -0,0 +1,19 @@
+// Copyright (c) 2017 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_RPC_UTIL_H
+#define BITCOIN_RPC_UTIL_H
+
+#include <string>
+#include <vector>
+
+class CKeyStore;
+class CPubKey;
+class CScript;
+
+CPubKey HexToPubKey(const std::string& hex_in);
+CPubKey AddrToPubKey(CKeyStore* const keystore, const std::string& addr_in);
+CScript CreateMultisigRedeemscript(const int required, const std::vector<CPubKey>& pubkeys);
+
+#endif // BITCOIN_RPC_UTIL_H
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-29 14:50:06 +0000