Rationalize currency unit to "ZEC"

src/amount.cpp

@@ -7,7 +7,7 @@
 
 #include "tinyformat.h"
 
-const std::string CURRENCY_UNIT = "BTC";
+const std::string CURRENCY_UNIT = "ZEC";
 
 CFeeRate::CFeeRate(const CAmount& nFeePaid, size_t nSize)
 {

src/rpcmining.cpp

@@ -883,8 +883,8 @@ UniValue getblocksubsidy(const UniValue& params, bool fHelp)
             "1. height         (numeric, optional) The block height.  If not provided, defaults to the current height of the chain.\n"
             "\nResult:\n"
             "{\n"
-            "  \"miner\" : x.xxx           (numeric) The mining reward amount in ZEC.\n"
-            "  \"founders\" : x.xxx        (numeric) The founders reward amount in ZEC.\n"
+            "  \"miner\" : x.xxx           (numeric) The mining reward amount in " + CURRENCY_UNIT + ".\n"
+            "  \"founders\" : x.xxx        (numeric) The founders reward amount in " + CURRENCY_UNIT + ".\n"
             "}\n"
             "\nExamples:\n"
             + HelpExampleCli("getblocksubsidy", "1000")

src/rpcrawtransaction.cpp

@@ -221,8 +221,8 @@ UniValue getrawtransaction(const UniValue& params, bool fHelp)
             "  ],\n"
             "  \"vjoinsplit\" : [        (array of json objects, only for version >= 2)\n"
             "     {\n"
-            "       \"vpub_old\" : x.xxx,         (numeric) public input value in ZEC\n"
-            "       \"vpub_new\" : x.xxx,         (numeric) public output value in ZEC\n"
+            "       \"vpub_old\" : x.xxx,         (numeric) public input value in " + CURRENCY_UNIT + "\n"
+            "       \"vpub_new\" : x.xxx,         (numeric) public output value in " + CURRENCY_UNIT + "\n"
             "       \"anchor\" : \"hex\",         (string) the anchor\n"
             "       \"nullifiers\" : [            (json array of string)\n"
             "         \"hex\"                     (string) input note nullifier\n"
@@ -521,8 +521,8 @@ UniValue decoderawtransaction(const UniValue& params, bool fHelp)
             "  ],\n"
             "  \"vjoinsplit\" : [        (array of json objects, only for version >= 2)\n"
             "     {\n"
-            "       \"vpub_old\" : x.xxx,         (numeric) public input value in ZEC\n"
-            "       \"vpub_new\" : x.xxx,         (numeric) public output value in ZEC\n"
+            "       \"vpub_old\" : x.xxx,         (numeric) public input value in " + CURRENCY_UNIT + "\n"
+            "       \"vpub_new\" : x.xxx,         (numeric) public output value in " + CURRENCY_UNIT + "\n"
             "       \"anchor\" : \"hex\",         (string) the anchor\n"
             "       \"nullifiers\" : [            (json array of string)\n"
             "         \"hex\"                     (string) input note nullifier\n"

src/wallet/rpcwallet.cpp

@@ -3101,7 +3101,7 @@ UniValue z_getbalance(const UniValue& params, bool fHelp)
             "1. \"address\"      (string) The selected address. It may be a transparent or private address.\n"
             "2. minconf          (numeric, optional, default=1) Only include transactions confirmed at least this many times.\n"
             "\nResult:\n"
-            "amount              (numeric) The total amount in ZEC received for this address.\n"
+            "amount              (numeric) The total amount in " + CURRENCY_UNIT + " received for this address.\n"
             "\nExamples:\n"
             "\nThe total amount received by address \"myaddress\"\n"
             + HelpExampleCli("z_getbalance", "\"myaddress\"") +
@@ -3326,7 +3326,7 @@ UniValue z_sendmany(const UniValue& params, bool fHelp)
             "2. \"amounts\"             (array, required) An array of json objects representing the amounts to send.\n"
             "    [{\n"
             "      \"address\":address  (string, required) The address is a taddr or zaddr\n"
-            "      \"amount\":amount    (numeric, required) The numeric amount in ZEC is the value\n"
+            "      \"amount\":amount    (numeric, required) The numeric amount in " + CURRENCY_UNIT + " is the value\n"
             "      \"memo\":memo        (string, optional) If the address is a zaddr, raw data represented in hexadecimal string format\n"
             "    }, ... ]\n"
             "3. minconf               (numeric, optional, default=1) Only use funds confirmed at least this many times.\n"