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-rw-r--r--src/protocol.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/protocol.h b/src/protocol.h
index e838c0d363..fd23eae1fc 100644
--- a/src/protocol.h
+++ b/src/protocol.h
@@ -67,7 +67,14 @@ public:
/** nServices flags */
enum {
+ // NODE_NETWORK means that the node is capable of serving the block chain. It is currently
+ // set by all Bitcoin Core nodes, and is unset by SPV clients or other peers that just want
+ // network services but don't provide them.
NODE_NETWORK = (1 << 0),
+ // NODE_GETUTXO means the node is capable of responding to the getutxo protocol request.
+ // Bitcoin Core does not support this but a patch set called Bitcoin XT does.
+ // See BIP 64 for details on how this is implemented.
+ NODE_GETUTXO = (1 << 1),
// Bits 24-31 are reserved for temporary experiments. Just pick a bit that
// isn't getting used, or one not being used much, and notify the