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-BEGIN VERIFY SCRIPT- ./contrib/devtools/copyright_header.py update ./ -END VERIFY SCRIPT- Commits of previous years: - 2021:f47dda2c58- 2020:fa0074e2d8- 2019:aaaaad6ac9
70 lines
2.8 KiB
C++
70 lines
2.8 KiB
C++
// Copyright (c) 2011-2022 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <key_io.h>
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#include <rpc/util.h>
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#include <util/message.h>
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#include <wallet/rpc/util.h>
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#include <wallet/wallet.h>
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#include <univalue.h>
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namespace wallet {
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RPCHelpMan signmessage()
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{
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return RPCHelpMan{"signmessage",
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"\nSign a message with the private key of an address" +
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HELP_REQUIRING_PASSPHRASE,
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{
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{"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The bitcoin address to use for the private key."},
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{"message", RPCArg::Type::STR, RPCArg::Optional::NO, "The message to create a signature of."},
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},
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RPCResult{
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RPCResult::Type::STR, "signature", "The signature of the message encoded in base 64"
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},
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RPCExamples{
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"\nUnlock the wallet for 30 seconds\n"
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+ HelpExampleCli("walletpassphrase", "\"mypassphrase\" 30") +
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"\nCreate the signature\n"
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+ HelpExampleCli("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\" \"my message\"") +
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"\nVerify the signature\n"
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+ HelpExampleCli("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\" \"signature\" \"my message\"") +
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"\nAs a JSON-RPC call\n"
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+ HelpExampleRpc("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\", \"my message\"")
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},
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[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
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{
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const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request);
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if (!pwallet) return UniValue::VNULL;
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LOCK(pwallet->cs_wallet);
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EnsureWalletIsUnlocked(*pwallet);
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std::string strAddress = request.params[0].get_str();
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std::string strMessage = request.params[1].get_str();
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CTxDestination dest = DecodeDestination(strAddress);
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if (!IsValidDestination(dest)) {
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address");
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}
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const PKHash* pkhash = std::get_if<PKHash>(&dest);
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if (!pkhash) {
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throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to key");
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}
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std::string signature;
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SigningResult err = pwallet->SignMessage(strMessage, *pkhash, signature);
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if (err == SigningResult::SIGNING_FAILED) {
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, SigningResultString(err));
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} else if (err != SigningResult::OK) {
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throw JSONRPCError(RPC_WALLET_ERROR, SigningResultString(err));
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}
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return signature;
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},
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};
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}
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} // namespace wallet
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