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Refactor some importprunedfunds checks with guard clause

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Credit to jkczyz
This commit is contained in:
Antoine Riard 2019-11-06 12:00:39 -05:00
parent 5971d3848e
commit 769ff05e48
1 changed files with 14 additions and 19 deletions
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33
src/wallet/rpcdump.cpp
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@ -363,31 +363,26 @@ UniValue importprunedfunds(const JSONRPCRequest& request)
//Search partial merkle tree in proof for our transaction and index in valid block
std::vector<uint256> vMatch;
std::vector<unsigned int> vIndex;
unsigned int txnIndex = 0;
Optional<int> height;
if (merkleBlock.txn.ExtractMatches(vMatch, vIndex) == merkleBlock.header.hashMerkleRoot) {
auto locked_chain = pwallet->chain().lock();
height = locked_chain->getBlockHeight(merkleBlock.header.GetHash());
if (height == nullopt) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found in chain");
}
std::vector<uint256>::const_iterator it;
if ((it = std::find(vMatch.begin(), vMatch.end(), hashTx))==vMatch.end()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction given doesn't exist in proof");
}
txnIndex = vIndex[it - vMatch.begin()];
}
else {
if (merkleBlock.txn.ExtractMatches(vMatch, vIndex) != merkleBlock.header.hashMerkleRoot) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Something wrong with merkleblock");
}
auto locked_chain = pwallet->chain().lock();
Optional<int> height = locked_chain->getBlockHeight(merkleBlock.header.GetHash());
if (height == nullopt) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found in chain");
}
std::vector<uint256>::const_iterator it;
if ((it = std::find(vMatch.begin(), vMatch.end(), hashTx)) == vMatch.end()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction given doesn't exist in proof");
}
unsigned int txnIndex = vIndex[it - vMatch.begin()];
CWalletTx::Confirmation confirm(CWalletTx::Status::CONFIRMED, *height, merkleBlock.header.GetHash(), txnIndex);
wtx.m_confirm = confirm;
auto locked_chain = pwallet->chain().lock();
LOCK(pwallet->cs_wallet);
if (pwallet->IsMine(*wtx.tx)) {