crypto/shachain: enforce that indexes have to be added incrementally.

[ccan] / ccan / crypto / shachain / shachain.h

diff --git a/ccan/crypto/shachain/shachain.h b/ccan/crypto/shachain/shachain.h
index 39d6f3c4c6897b73112fa6ba02646c3dfb5e5115..f3c9ad7038d32484b53fa58a2030757e17484371 100644 (file)
--- a/ccan/crypto/shachain/shachain.h
+++ b/ccan/crypto/shachain/shachain.h
@@ -15,6 +15,7 @@ void shachain_from_seed(const struct sha256 *seed, shachain_index_t index,
                        struct sha256 *hash);
 
 struct shachain {
+       shachain_index_t max_index;
        unsigned int num_valid;
        struct {
                shachain_index_t index;