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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| // Copyright (c) 2010 Satoshi Nakamoto | ||
| // Copyright (c) 2009-2022 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 <key.h> | ||
| #include <key_io.h> | ||
| #include <rpc/protocol.h> | ||
| #include <rpc/request.h> | ||
| #include <rpc/server.h> | ||
| #include <rpc/util.h> | ||
| #include <univalue.h> | ||
| #include <util/message.h> | ||
|
|
||
| #include <string> | ||
|
|
||
| static RPCHelpMan verifymessage() | ||
| { | ||
| return RPCHelpMan{"verifymessage", | ||
| "\nVerify a signed message\n", | ||
| { | ||
| {"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The Dash address to use for the signature."}, | ||
| {"signature", RPCArg::Type::STR, RPCArg::Optional::NO, "The signature provided by the signer in base 64 encoding (see signmessage)."}, | ||
| {"message", RPCArg::Type::STR, RPCArg::Optional::NO, "The message that was signed."}, | ||
| }, | ||
| RPCResult{ | ||
| RPCResult::Type::BOOL, "", "If the signature is verified or not." | ||
| }, | ||
| RPCExamples{ | ||
| "\nUnlock the wallet for 30 seconds\n" | ||
| + HelpExampleCli("walletpassphrase", "\"mypassphrase\" 30") + | ||
| "\nCreate the signature\n" | ||
| + HelpExampleCli("signmessage", "\"" + EXAMPLE_ADDRESS[0] + "\" \"my message\"") + | ||
| "\nVerify the signature\n" | ||
| + HelpExampleCli("verifymessage", "\"" + EXAMPLE_ADDRESS[0] + "\" \"signature\" \"my message\"") + | ||
| "\nAs a JSON-RPC call\n" | ||
| + HelpExampleRpc("verifymessage", "\"" + EXAMPLE_ADDRESS[0] + "\", \"signature\", \"my message\"") | ||
| }, | ||
| [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue | ||
| { | ||
| std::string strAddress = request.params[0].get_str(); | ||
| std::string strSign = request.params[1].get_str(); | ||
| std::string strMessage = request.params[2].get_str(); | ||
|
|
||
| switch (MessageVerify(strAddress, strSign, strMessage)) { | ||
| case MessageVerificationResult::ERR_INVALID_ADDRESS: | ||
| throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address"); | ||
| case MessageVerificationResult::ERR_ADDRESS_NO_KEY: | ||
| throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to key"); | ||
| case MessageVerificationResult::ERR_MALFORMED_SIGNATURE: | ||
| throw JSONRPCError(RPC_TYPE_ERROR, "Malformed base64 encoding"); | ||
| case MessageVerificationResult::ERR_PUBKEY_NOT_RECOVERED: | ||
| case MessageVerificationResult::ERR_NOT_SIGNED: | ||
| return false; | ||
| case MessageVerificationResult::OK: | ||
| return true; | ||
| } | ||
|
|
||
| return false; | ||
| }, | ||
| }; | ||
| } | ||
|
|
||
| static RPCHelpMan signmessagewithprivkey() | ||
| { | ||
| return RPCHelpMan{"signmessagewithprivkey", | ||
| "\nSign a message with the private key of an address\n", | ||
| { | ||
| {"privkey", RPCArg::Type::STR, RPCArg::Optional::NO, "The private key to sign the message with."}, | ||
| {"message", RPCArg::Type::STR, RPCArg::Optional::NO, "The message to create a signature of."}, | ||
| }, | ||
| RPCResult{ | ||
| RPCResult::Type::STR, "signature", "The signature of the message encoded in base 64" | ||
| }, | ||
| RPCExamples{ | ||
| "\nCreate the signature\n" | ||
| + HelpExampleCli("signmessagewithprivkey", "\"privkey\" \"my message\"") + | ||
| "\nVerify the signature\n" | ||
| + HelpExampleCli("verifymessage", "\"" + EXAMPLE_ADDRESS[0] + "\" \"signature\" \"my message\"") + | ||
| "\nAs a JSON-RPC call\n" | ||
| + HelpExampleRpc("signmessagewithprivkey", "\"privkey\", \"my message\"") | ||
| }, | ||
| [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue | ||
| { | ||
|
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| std::string strPrivkey = request.params[0].get_str(); | ||
| std::string strMessage = request.params[1].get_str(); | ||
|
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| CKey key = DecodeSecret(strPrivkey); | ||
| if (!key.IsValid()) { | ||
| throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key"); | ||
| } | ||
|
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| std::string signature; | ||
|
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| if (!MessageSign(key, strMessage, signature)) { | ||
| throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Sign failed"); | ||
| } | ||
|
|
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| return signature; | ||
| }, | ||
| }; | ||
| } | ||
|
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| void RegisterSignMessageRPCCommands(CRPCTable& t) | ||
| { | ||
| static const CRPCCommand commands[]{ | ||
| {"util", &verifymessage}, | ||
| {"util", &signmessagewithprivkey}, | ||
| }; | ||
| for (const auto& c : commands) { | ||
| t.appendCommand(c.name, &c); | ||
| } | ||
| } |