[Update] ARC-0022: Export interfaces and shared proof type

arc-0022/IARC22/program.json

@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "description": "",
   "license": "MIT",
-  "leo": "4.1.0",
+  "leo": "4.4.3",
   "dependencies": null,
   "dev_dependencies": null
 }

arc-0022/IARC22/src/lib.leo

@@ -7,7 +7,7 @@ const ZERO_ADDRESS: address = aleo1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq
 // EMPTY_ROOT == hash of H(ZERO_ADDRESS, ZERO_ADDRESS)
 const EMPTY_ROOT: field = 3642222252059314292809609689035560016959342421640560347114299934615987159853field;
 
-struct MerkleProof {
+export struct MerkleProof {
     siblings: [field; MAX_TREE_DEPTH + 1],
     leaf_index: u32,
 }
@@ -108,7 +108,7 @@ fn verify_non_inclusion(addr: address, merkle_proofs: [MerkleProof; 2]) -> field
     return root1;
 }
 
-interface IARC22Freezelist {
+export interface IARC22Freezelist {
     fn initialize(public admin: address, public blocks: u32) -> Final;
     fn update_freeze_list(
         public account: address,
@@ -131,7 +131,7 @@ interface IARC22Freezelist {
     view fn block_height_window() -> u32;
 }
 
-interface IARC22 {
+export interface IARC22 {
     record Token {
         owner: address,
         amount: u128,

arc-0022/README.md

@@ -34,14 +34,14 @@ The ARC-22 standard provides a library ([`IARC22`](./IARC22)), which is composed
 - Two interfaces, **`IARC22`** and **`IARC22Freezelist`**, defining the token and freeze-list contracts
 - A **`MerkleProof`** struct used by the non-inclusion proof flow
 - A small set of **constants** (`MAX_TREE_DEPTH`, `ZERO_ADDRESS`, `EMPTY_ROOT`)
-- **Merkle helper functions** that implementations call to verify proofs
+- Internal **Merkle helper functions** for proof verification
 
 ### `IARC22`
 
 The compliant token surface adds freeze-list enforcement (via Merkle non-inclusion proofs on private sends) and investigator-visible **`ComplianceRecord`** outputs on every transition that materially changes a balance. Mappings and storage variables are intentionally **not** part of the interface; only function signatures and the records (**`Token`**, **`ComplianceRecord`**) form the contract.
 
 ```leo
-interface IARC22 {
+export interface IARC22 {
     record Token {
         owner: address,
         amount: u128,
@@ -143,7 +143,7 @@ The interface declares both records with `..`, so implementations may add fields
 The freeze list prevents sanctioned or compromised addresses from transacting. It uses a Merkle tree to enable privacy-preserving verification.
 
 ```leo
-interface IARC22Freezelist {
+export interface IARC22Freezelist {
     fn initialize(public admin: address, public blocks: u32) -> Final;
     fn update_freeze_list(
         public account: address,
@@ -200,7 +200,7 @@ When the freeze list is updated, the Merkle root changes. A `block_height_window
 
 ### Library Constants
 
-The `IARC22` library exports the following constants. Implementations should use these values.
+The `IARC22` library defines the following private constants.
 
 | Constant | Type | Value | Purpose |
 |----------|------|-------|---------|
@@ -210,18 +210,18 @@ The `IARC22` library exports the following constants. Implementations should use
 
 ### `MerkleProof`
 
-`MerkleProof` is defined in the `IARC22` library itself. Implementations reference it directly as `MerkleProof`.
+`MerkleProof` is defined and exported by the `IARC22` library:
 
 ```leo
-struct MerkleProof {
+export struct MerkleProof {
     siblings: [field; MAX_TREE_DEPTH + 1],
     leaf_index: u32,
 }
 ```
 
 ### Merkle Helper Functions
 
-The library exposes helpers that implementations use to verify Merkle proofs. They use Poseidon4 hashes with a domain-separation tag (`0field` for internal nodes, `1field` for leaf pairs).
+The following helper functions are private to the library. They use Poseidon4 hashes with a domain-separation tag (`0field` for internal nodes, `1field` for leaf pairs).
 
 | Function | Signature | Purpose |
 |----------|-----------|---------|