Move sysvar_clock account before price accounts in oracle batch_upd_price instruction

Author: tompntn

program/src/oracle/oracle.c

@@ -554,7 +554,7 @@ static uint64_t batch_upd_price( SolParameters *prm, SolAccountInfo *ka ) {
     return ERROR_INVALID_ARGUMENT;
   }
   SolAccountInfo *publish_account = &ka[0];
-  SolAccountInfo *clock_account = &ka[hptr->count_ + 1];
+  SolAccountInfo *clock_account = &ka[1];
 
   // Check that the publish accounts and the clock accounts are valid
   if ( !valid_funding_account( publish_account ) ||
@@ -567,7 +567,7 @@ static uint64_t batch_upd_price( SolParameters *prm, SolAccountInfo *ka ) {
   for ( uint64_t i = 0; i < hptr->count_; i++ ) {
 
     cmd_upd_price_t *uptr = &cptr->upds_[i];
-    SolAccountInfo *price_account = &ka[1 + i];
+    SolAccountInfo *price_account = &ka[2 + i];
 
     // Check that the price account is signed, writable with the correct ownership and is of the correct size
     if ( !valid_writable_account( prm, price_account, sizeof( pc_price_t ) ) ) {

program/src/oracle/oracle.h

@@ -223,8 +223,9 @@ typedef enum {
 
   // publish a batch of component prices
   // key[0]    funding account       [signer writable]
-  // key[1..n] price accounts        [writable]
-  // key[n]    sysvar_clock account  [readable]
+  // key[1]    sysvar_clock account  [readable]
+  // key[2...n] price accounts       [writable]
+  
   e_cmd_batch_upd_price,
 
   // compute aggregate price