Merge #1570: rpc: fix fields describtion in man

a58014a rpc: fix fields describtion in man (Ruslan Kasheparov)

Pull request description:

ACKs for top commit:
  tomt1664:
    ACK a58014a tested locally

Tree-SHA512: b7ea26dcd2119d87f37cd7fdd459347ee5432bd3a1a19c2d639e65bf6e516d0f12cad9e06a34a99184654bc7bfe138c8e568eb74c7bdff4c54c94c5b9a16910e

Author: tomt1664

src/rpc/output_script.cpp

@@ -51,7 +51,7 @@ static RPCHelpMan validateaddress()
                     {RPCResult::Type::STR, "address", ""},
                     {RPCResult::Type::STR_HEX, "scriptPubKey", "The hex-encoded scriptPubKey generated by the address"},
                     {RPCResult::Type::STR_HEX, "confidential_key", "The raw blinding public key for that address, if any. \"\" if none"},
-                    {RPCResult::Type::STR_HEX, "unconfidential", "The address without confidentiality key"},
+                    {RPCResult::Type::STR, "unconfidential", "The address without confidentiality key"},
                     {RPCResult::Type::BOOL, "isscript", "If the key is a script"},
                     {RPCResult::Type::BOOL, "iswitness", "If the address is a witness address"},
                     {RPCResult::Type::NUM, "witness_version", /*optional=*/true, "The version number of the witness program"},

src/rpc/rawtransaction.cpp

@@ -2555,7 +2555,7 @@ static RPCHelpMan rawblindrawtransaction()
                 "Returns the hex-encoded raw transaction.\n"
                 "The input raw transaction cannot have already-blinded outputs.\n"
                 "The output keys used can be specified by using a confidential address in createrawtransaction.\n"
-                "If an additional blinded output is required to make a balanced blinding, a 0-value unspendable output will be added. Since there is no access to the wallet the blinding pubkey from the last output with blinding key will be repeated.\n"
+                "If blinded inputs exist but no output has a blinding pubkey, the caller must add another blindable output; this RPC cannot derive a wallet blinding key and will fail instead of adding a dummy output.\n"
                 "You can not blind issuances with this call.\n",
                 {
                     {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "A hex-encoded raw transaction."},

src/wallet/rpc/backup.cpp

@@ -2037,7 +2037,7 @@ RPCHelpMan restorewallet()
 RPCHelpMan getwalletpakinfo()
 {
     return RPCHelpMan{"getwalletpakinfo",
-                "\nReturns relevant pegout authorization key (PAK) information about this wallet. Throws an error if initpegoutwallet` has not been invoked on this wallet.\n",
+                "\nReturns relevant pegout authorization key (PAK) information about this wallet. Throws an error if `initpegoutwallet` has not been invoked on this wallet.\n",
                 {},
                 RPCResult{
                     RPCResult::Type::OBJ, "", "",
@@ -2233,7 +2233,7 @@ RPCHelpMan importissuanceblindingkey()
                 },
                 RPCResult{RPCResult::Type::NONE, "", ""},
                 RPCExamples{
-                    HelpExampleCli("importblindingkey", "\"my blinded CT address\" <blindinghex>")
+                    HelpExampleCli("importissuanceblindingkey", "\"<txid>\" 0 \"<blindingkey>\"")
                 },
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
 {

src/wallet/rpc/elements.cpp

@@ -584,7 +584,7 @@ RPCHelpMan sendtomainchain_pak()
                     {
                         {RPCResult::Type::STR, "bitcoin_address", "destination address on Bitcoin mainchain"},
                         {RPCResult::Type::STR_HEX, "txid", "transaction ID of the resulting Liquid transaction"},
-                        {RPCResult::Type::STR, "fee reason", /*optional=*/true, "If verbose is set to true, the Liquid transaction fee reason"},
+                        {RPCResult::Type::STR, "fee_reason", /*optional=*/true, "If verbose is set to true, the Liquid transaction fee reason"},
                         {RPCResult::Type::STR, "bitcoin_descriptor", "xpubkey of the child destination address"},
                         {RPCResult::Type::STR, "bip32_counter", "derivation counter for the `bitcoin_descriptor`"},
                     },
@@ -1962,7 +1962,7 @@ RPCHelpMan getpegoutkeys()
                 "\n(DEPRECATED) Please see `initpegoutwallet` and `sendtomainchain` for best-supported and easiest workflow. This call is for the Liquid network participants' `offline` wallet ONLY. Returns `sumkeys` corresponding to the sum of the Offline PAK and the imported Bitcoin key. The wallet must have the Offline private PAK to succeed. The output will be used in `generatepegoutproof` and `sendtomainchain`. Care is required to keep the bitcoin private key, as well as the `sumkey` safe, as a leak of both results in the leak of your `offlinekey`. Therefore it is recommended to create Bitcoin keys and do Bitcoin transaction signing directly on an offline wallet co-located with your offline Liquid wallet.\n",
                 {
                     {"btcprivkey", RPCArg::Type::STR, RPCArg::Optional::NO, "Base58 Bitcoin private key that will be combined with the offline privkey"},
-                    {"offlinepubkey", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "Hex pubkey of key to combine with btcprivkey. Primarily intended for integration testing."},
+                    {"offlinepubkey", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "33-byte compressed public key encoded as 66 hex characters, to combine with btcprivkey. Primarily intended for integration testing."},
                 },
                 RPCResult{
                     RPCResult::Type::OBJ, "", "",
@@ -1973,10 +1973,8 @@ RPCHelpMan getpegoutkeys()
                     },
                 },
                 RPCExamples{
-                    HelpExampleCli("getpegoutkeys", "")
-            + HelpExampleCli("getpegoutkeys", "\"5Kb8kLf9zgWQnogidDA76MzPL6TsZZY36hWXMssSzNydYXYB9KF\" \"0389275d512326f7016e014d8625f709c01f23bd0dc16522bf9845a9ee1ef6cbf9\"")
-            + HelpExampleRpc("getpegoutkeys", "")
-           + HelpExampleRpc("getpegoutkeys", "\"5Kb8kLf9zgWQnogidDA76MzPL6TsZZY36hWXMssSzNydYXYB9KF\", \"0389275d512326f7016e014d8625f709c01f23bd0dc16522bf9845a9ee1ef6cbf9\"")
+                    HelpExampleCli("getpegoutkeys", "\"5Kb8kLf9zgWQnogidDA76MzPL6TsZZY36hWXMssSzNydYXYB9KF\" \"0389275d512326f7016e014d8625f709c01f23bd0dc16522bf9845a9ee1ef6cbf9\"")
+            + HelpExampleRpc("getpegoutkeys", "\"5Kb8kLf9zgWQnogidDA76MzPL6TsZZY36hWXMssSzNydYXYB9KF\", \"0389275d512326f7016e014d8625f709c01f23bd0dc16522bf9845a9ee1ef6cbf9\"")
                 },
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
 {