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rpc: add descriptorprocesspsbt rpc

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This RPC can be the Updater, Signer, and optionally the Input
Finalizer for a psbt, and has no interaction with the Bitcoin
Core wallet.
This commit is contained in:
ishaanam
2022-08-03 19:32:59 -04:00
parent 49d07ea9a1
commit fb2a3a70e8
5 changed files with 96 additions and 8 deletions
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5
src/rpc/util.cpp
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@@ -1126,7 +1126,7 @@ std::pair<int64_t, int64_t> ParseDescriptorRange(const UniValue& value)
return {low, high};
}
std::vector<CScript> EvalDescriptorStringOrObject(const UniValue& scanobject, FlatSigningProvider& provider)
std::vector<CScript> EvalDescriptorStringOrObject(const UniValue& scanobject, FlatSigningProvider& provider, const bool expand_priv)
{
std::string desc_str;
std::pair<int64_t, int64_t> range = {0, 1000};
@@ -1159,6 +1159,9 @@ std::vector<CScript> EvalDescriptorStringOrObject(const UniValue& scanobject, Fl
if (!desc->Expand(i, provider, scripts, provider)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Cannot derive script without private keys: '%s'", desc_str));
}
if (expand_priv) {
desc->ExpandPrivate(/*pos=*/i, provider, /*out=*/provider);
}
std::move(scripts.begin(), scripts.end(), std::back_inserter(ret));
}
return ret;