[eth] Finalize accumulator contract (#960)

Author: ali-behjati

package-lock.json

@@ -679,6 +679,6 @@ abstract contract Pyth is
     }
 
     function version() public pure returns (string memory) {
-        return "1.3.0-alpha";
+        return "1.3.0";
     }
 }

target_chains/ethereum/contracts/contracts/pyth/Pyth.sol

@@ -74,7 +74,7 @@ contract ReceiverMessages is ReceiverGetters {
                 // 66 is the length of each signature
                 // 1 (guardianIndex) + 32 (r) + 32 (s) + 1 (v)
                 uint hashIndex = index + (signersLen * 66);
-                if (hashIndex > encodedVM.length) {
+                if (hashIndex >= encodedVM.length) {
                     return (vm, false, "invalid signature length");
                 }
                 // Hash the body

target_chains/ethereum/contracts/contracts/wormhole-receiver/ReceiverMessages.sol

@@ -1,6 +1,6 @@
 {
   "name": "@pythnetwork/pyth-evm-contract",
-  "version": "1.3.0-alpha",
+  "version": "1.3.0",
   "description": "",
   "private": "true",
   "devDependencies": {