CIP-???? | Augment Spend Purpose

cip-augment-spend-purpose/README.md

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+---
+CIP: ????
+Title: Augment Spend Purpose
+Category: Plutus
+Status: Proposed
+Authors:
+    - Micah Kendall <[email protected]>
+Implementors: []
+Discussions:
+    - https://github.com/cardano-foundation/CIPs/pull/754
+Created: 2024-01-27
+License: CC-BY-4.0
+---
+
+## Abstract
+<!-- A short (\~200 word) description of the proposed solution and the technical issue being addressed. -->
+
+We should change the purpose Spend(OutputReference) to instead be Spend(OutputReference, ScriptHash), where ScriptHash is a bytearray / bytestring of the script hash.
+
+## Motivation: why is this CIP necessary?
+This makes common patterns in contract development much cheaper, but also more ergonomic.
+
+## Specification
+There should be a 2nd value in the Spend constructor for the script purpose, which is the script hash of the spending script.
+
+## Rationale: how does this CIP achieve its goals?
+We would have the script hash available as a constant-time lookup, instead of linear-time.
+
+## Path to Active
+
+### Acceptance Criteria
+The plutus ledger team add the script hash as a second value inside the spend constructor.
+
+### Implementation Plan
+N/A as it is a very simple change
+
+## Copyright
+
+This CIP is free and unencumbered, released by it's author into the public domain.