diff options
Diffstat (limited to 'src/rpc/util.cpp')
-rw-r--r-- | src/rpc/util.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/rpc/util.cpp b/src/rpc/util.cpp index 4642cf16b1..67ccb225b5 100644 --- a/src/rpc/util.cpp +++ b/src/rpc/util.cpp @@ -6,6 +6,7 @@ #include <keystore.h> #include <outputtype.h> #include <rpc/util.h> +#include <script/descriptor.h> #include <tinyformat.h> #include <util/strencodings.h> @@ -697,3 +698,40 @@ std::pair<int64_t, int64_t> ParseDescriptorRange(const UniValue& value) } return {low, high}; } + +std::vector<CScript> EvalDescriptorStringOrObject(const UniValue& scanobject, FlatSigningProvider& provider) +{ + std::string desc_str; + std::pair<int64_t, int64_t> range = {0, 1000}; + if (scanobject.isStr()) { + desc_str = scanobject.get_str(); + } else if (scanobject.isObject()) { + UniValue desc_uni = find_value(scanobject, "desc"); + if (desc_uni.isNull()) throw JSONRPCError(RPC_INVALID_PARAMETER, "Descriptor needs to be provided in scan object"); + desc_str = desc_uni.get_str(); + UniValue range_uni = find_value(scanobject, "range"); + if (!range_uni.isNull()) { + range = ParseDescriptorRange(range_uni); + } + } else { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Scan object needs to be either a string or an object"); + } + + auto desc = Parse(desc_str, provider); + if (!desc) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Invalid descriptor '%s'", desc_str)); + } + if (!desc->IsRange()) { + range.first = 0; + range.second = 0; + } + std::vector<CScript> ret; + for (int i = range.first; i <= range.second; ++i) { + std::vector<CScript> scripts; + if (!desc->Expand(i, provider, scripts, provider)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Cannot derive script without private keys: '%s'", desc_str)); + } + std::move(scripts.begin(), scripts.end(), std::back_inserter(ret)); + } + return ret; +} |