Merge pull request #446 from rsksmart/tload_tstore_lovell

Add TLOAD/TSTORE opcodes RSKIP

IPs/RSKIP446.md

@@ -0,0 +1,44 @@
+---
+rskip: 446
+title: Transient storage opcodes (TLOAD/TSTORE)
+description: 
+status: Draft
+purpose: Usa
+author: AE
+layer: Core
+complexity: 2
+created: 2024/08/11
+---
+# Transient storage opcodes (TLOAD/TSTORE)
+
+
+|RSKIP          | 446 |
+| :------------ |:-------------|
+|**Title**      |Transient storage opcodes (TLOAD/TSTORE)|
+|**Created**    |AUG-2024 |
+|**Author**     |AE |
+|**Purpose**    |Usa |
+|**Layer**      |Core |
+|**Complexity** |2 |
+|**Status**     |Draft |
+
+
+## Abstract
+
+This improvement introduces Ethereum [TLOAD and TSTORE instructions](https://eips.ethereum.org/EIPS/eip-1153)
+
+## Motivation
+
+This change introduces transient storage opcodes TLOAD and TSTORE, which manipulate state behaing identically to storage, except that transient storage is discarded after every transaction. This improves compatibility with EVM opcodes.
+
+## Backward Compatibility
+
+This change is a hard fork and therefore all full nodes must be updated.
+
+## References
+
+[1] [EIP-1153](https://eips.ethereum.org/EIPS/eip-1153)
+
+## Copyright
+
+Copyright and related rights waived via [CC0](https://creativecommons.org/publicdomain/zero/1.0/).

README.md

@@ -235,6 +235,7 @@ You can find an easily browseable version of this information [here](https://ips
 | 436 |[Network Upgrade (patch): Arrowhead 6.3.1](IPs/RSKIP436.md)|4-JUL-24 | AE | Usa | Core | 2 | Adopted |
 | 438 |[Limit the maximum size of initcode and apply extra gas cost for every 32-byte chunk of initcode](IPs/RSKIP438.md)|16-JUL-24 | FML | Fai | Core | 2 | Draft |
 | 445 |[MCOPY instruction](IPs/RSKIP445.md)| 12-AUG-24 | AE | Usa | Core | 2 | Draft |
+| 446 |[Transient storage opcodes](IPs/RSKIP446.md)| 12-AUG-24 | AE | Usa | Core | 2 | Draft|
 
 (*) Under evaluation to be implemented in the next reference client release