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Better error handling when there is no zaddr with enough balance

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This commit is contained in:
Duke Leto
2021-04-17 12:46:33 -04:00
parent 1123ccf7bb
commit d654df7c29
1 changed files with 13 additions and 5 deletions
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18
src/wallet/rpcwallet.cpp
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@@ -1,6 +1,6 @@
// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 The Bitcoin Core developers
// Copyright (c) 2016-2020 The Hush developers
// Copyright (c) 2016-2021 The Hush developers
// Distributed under the GPLv3 software license, see the accompanying
// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
/******************************************************************************
@@ -4708,7 +4708,7 @@ UniValue z_sendmany(const UniValue& params, bool fHelp, const CPubKey& mypk)
nTotalOut += nAmount;
}
//TODO: choose one random address with enough funds
//GOAL: choose one random zaddress with enough funds
CAmount nFee;
if (params.size() > 3) {
if (params[3].get_real() == 0.0) {
@@ -4729,7 +4729,14 @@ UniValue z_sendmany(const UniValue& params, bool fHelp, const CPubKey& mypk)
}
// select a random address with enough confirmed balance
fromaddress = vPotentialAddresses[ GetRandInt(vPotentialAddresses.size()) ];
auto nPotentials = vPotentialAddresses.size();
if (nPotentials > 0) {
fprintf(stderr,"%s: Selecting one of %lu potential source zaddrs\n", __func__, nPotentials);
fromaddress = vPotentialAddresses[ GetRandInt(nPotentials) ];
} else {
// Automagic zaddr source election failed, exit honorably
throw JSONRPCError(RPC_INVALID_PARAMETER, "No single zaddr currently has enough funds to make that transaction, you may need to wait for confirmations.");
}
} else {
CTxDestination taddr = DecodeDestination(fromaddress);
fromTaddr = IsValidDestination(taddr);
@@ -4898,6 +4905,8 @@ UniValue z_sendmany(const UniValue& params, bool fHelp, const CPubKey& mypk)
txsize += GetSerializeSize(tx, SER_NETWORK, tx.nVersion);
if (fromTaddr) {
txsize += CTXIN_SPEND_DUST_SIZE;
//TODO: On HUSH since block 340k there can no longer be taddr change,
// so we can likely make a better estimation of max txsize
txsize += CTXOUT_REGULAR_SIZE; // There will probably be taddr change
}
txsize += CTXOUT_REGULAR_SIZE * taddrRecipients.size();
@@ -4968,7 +4977,6 @@ UniValue z_sendmany(const UniValue& params, bool fHelp, const CPubKey& mypk)
return operationId;
}
/**
When estimating the number of coinbase utxos we can shield in a single transaction:
1. Joinsplit description is 1802 bytes.
@@ -5066,7 +5074,7 @@ UniValue z_shieldcoinbase(const UniValue& params, bool fHelp, const CPubKey& myp
std::vector<ShieldCoinbaseUTXO> inputs;
CAmount shieldedValue = 0;
CAmount remainingValue = 0;
//TODO: update these estimates
//TODO: update these estimates for Sapling SpendDescriptions
size_t estimatedTxSize = 2000; // 1802 joinsplit description + tx overhead + wiggle room
#ifdef __LP64__