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Add getwalletpakinfo RPC call

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This commit is contained in:
Gregory Sanders 2018-12-17 17:15:27 -05:00
parent f06e6f648e
commit d391782cd9
2 changed files with 52 additions and 0 deletions
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50
src/wallet/rpcdump.cpp
View file

@ -1275,3 +1275,53 @@ UniValue importmulti(const JSONRPCRequest& mainRequest)
return response;
}
extern CTxDestination DeriveBitcoinOfflineAddress(const CExtPubKey& xpub, const uint32_t counter);
UniValue getwalletpakinfo(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
return NullUniValue;
}
if (request.fHelp || request.params.size() != 0)
throw std::runtime_error(
"getwalletpakinfo\n"
"\nReturns relevant pegout authorization key (PAK) information about this wallet. Throws an error if initpegoutwallet` has not been invoked on this wallet.\n"
"\nResult:\n"
"{\n"
"\"derivation_path\" (string) The next index to be used by the wallet for `sendtomainchain`.\n"
"\"bitcoin_xpub\" (string) The Bitcoin xpubkey loaded in the wallet for pegouts.\n"
"\"liquid_pak\" (string) Pubkey in hex corresponding to the Liquid PAK loaded in the wallet for pegouts.\n"
"\"liquid_pak_address\" (string) The corresponding address for `liquid_pak`. Useful for `dumpprivkey` for wallet backup or transfer.\n"
"\"address_lookahead\"(array) The three next Bitcoin addresses the wallet will use for `sendtomainchain` based on the internal counter.\n"
"}\n"
);
LOCK2(cs_main, pwallet->cs_wallet);
if (pwallet->offline_counter == -1) {
throw JSONRPCError(RPC_MISC_ERROR, "This wallet has not been initialized for PAK-enforced peg-outs.");
}
UniValue ret(UniValue::VOBJ);
std::stringstream ss;
ss << pwallet->offline_counter;
ret.push_back(Pair("derivation_path", "/0/"+ss.str()));
CExtPubKey& xpub = pwallet->offline_xpub;
ret.pushKV("bitcoin_xpub", EncodeExtPubKey(xpub));
ret.pushKV("liquid_pak", HexStr(pwallet->online_key));
ret.pushKV("liquid_pak_address", EncodeDestination((pwallet->online_key.GetID())));
UniValue address_list(UniValue::VARR);
for (unsigned int i = 0; i < 3; i++) {
address_list.push_back(EncodeParentDestination(DeriveBitcoinOfflineAddress(xpub, pwallet->offline_counter+i)));
}
ret.push_back(Pair("address_lookahead", address_list));
return ret;
}

2
src/wallet/rpcwallet.cpp
View file

@ -5648,6 +5648,7 @@ extern UniValue importprunedfunds(const JSONRPCRequest& request);
extern UniValue removeprunedfunds(const JSONRPCRequest& request);
extern UniValue importmulti(const JSONRPCRequest& request);
extern UniValue rescanblockchain(const JSONRPCRequest& request);
extern UniValue getwalletpakinfo(const JSONRPCRequest& request);
static const CRPCCommand commands[] =
{ // category name actor (function) argNames
@ -5708,6 +5709,7 @@ static const CRPCCommand commands[] =
{ "wallet", "createrawpegin", &createrawpegin, {"bitcoin_tx", "txoutproof", "claim_script"} },
{ "wallet", "sendtomainchain", &sendtomainchain, {"address", "amount", "subtractfeefromamount"} },
{ "wallet", "initpegoutwallet", &initpegoutwallet, {"bitcoin_xpub", "bip32_counter", "liquid_pak"} },
{ "wallet", "getwalletpakinfo", &getwalletpakinfo, {} },
/** Account functions (deprecated) */