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correct handling of nodeTransactionMap empty map references

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This commit is contained in:
Craig Raw 2020-10-12 11:08:24 +02:00
parent 76e148a107
commit 4c58ebf138
1 changed files with 4 additions and 4 deletions
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8
src/main/java/com/sparrowwallet/sparrow/net/ElectrumServer.java
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@ -158,17 +158,17 @@ public class ElectrumServer {
gapLimitSize = getGapLimitSize(wallet, nodeTransactionMap);
}
//All WalletNode keys in nodeTransactionMap with non-null values need to have their history fetched
Collection<WalletNode> usedNodes = nodeTransactionMap.entrySet().stream().filter(entry -> entry.getValue() != null).map(Map.Entry::getKey).collect(Collectors.toList());
//All WalletNode keys in nodeTransactionMap need to have their history fetched
Collection<WalletNode> usedNodes = new ArrayList<>(nodeTransactionMap.keySet());
log.debug("Retrieving history for " + usedNodes.stream().map(WalletNode::getDerivationPath).collect(Collectors.joining(", ")));
getReferences(wallet, usedNodes, nodeTransactionMap);
//Set the remaining WalletNode keys to empty sets to indicate no history
nodeTransactionMap.entrySet().stream().filter(entry -> entry.getValue() == null).forEach(entry -> entry.setValue(Collections.emptySet()));
purposeNode.getChildren().stream().filter(node -> !nodeTransactionMap.containsKey(node)).forEach(node -> nodeTransactionMap.put(node, Collections.emptySet()));
}
private int getGapLimitSize(Wallet wallet, Map<WalletNode, Set<BlockTransactionHash>> nodeTransactionMap) {
int highestIndex = nodeTransactionMap.entrySet().stream().filter(entry -> !entry.getValue().isEmpty()).map(entry -> entry.getKey().getIndex()).max(Comparator.comparing(Integer::valueOf)).orElse(-1);
int highestIndex = nodeTransactionMap.keySet().stream().map(WalletNode::getIndex).max(Comparator.comparing(Integer::valueOf)).orElse(-1);
return highestIndex + wallet.getGapLimit() + 1;
}