Misc comments

src/contracts/Cash.kt

@@ -55,7 +55,10 @@ object Cash : Contract {
             override fun hashCode() = 0
         }
 
-        /** A command stating that money has been withdrawn from the shared ledger and is now accounted for in some other way */
+        /**
+         * A command stating that money has been withdrawn from the shared ledger and is now accounted for
+         * in some other way.
+         */
         class Exit(val amount: Amount) : Command {
             override fun equals(other: Any?) = other is Exit && other.amount == amount
             override fun hashCode() = amount.hashCode()

src/core/Structures.kt

@@ -61,7 +61,7 @@ data class SignedCommand(
 /** Obtained from a [SignedCommand], deserialised and signature checked */
 data class VerifiedSigned<out T : Command>(
     val signers: List<PublicKey>,
-    /** If the public key was recognised, the looked up institution is available here, otherwise it's null */
+    /** If any public keys were recognised, the looked up institutions are available here */
     val signingInstitutions: List<Institution>,
     val value: T
 )

src/core/Transactions.kt

@@ -30,6 +30,8 @@ class LedgerTransaction(
     val args: List<SignedCommand>,
     /** The moment the transaction was timestamped for */
     val time: Instant
+
+    // TODO: nLockTime equivalent?
 )
 
 /** A transaction in fully resolved form, ready for passing as input to a verification function */