feat: compressible mint

Cargo.toml

@@ -229,7 +229,7 @@ groth16-solana = { version = "0.2.0" }
 bytemuck = { version = "1.19.0" }
 arrayvec = "0.7"
 tinyvec = "1.10.0"
-pinocchio-token-program = { git= "https://github.com/Lightprotocol/token", rev="fc39a485cf1b214e16a0f13fd6ddea0cd87aaa87" }
+pinocchio-token-program = { git= "https://github.com/Lightprotocol/token", rev="5d2768b98075ba03dfc5d6e6dd8567ba065c84ba" }
 # Math and crypto
 num-bigint = "0.4.6"
 tabled = "0.20"

js/compressed-token/src/v3/actions/mint-to-compressed.ts

@@ -81,7 +81,7 @@ export async function mintToCompressed(
             mintAuthority: mintInfo.mint.mintAuthority,
             freezeAuthority: mintInfo.mint.freezeAuthority,
             splMint: mintInfo.mintContext!.splMint,
-            splMintInitialized: mintInfo.mintContext!.splMintInitialized,
+            cmintDecompressed: mintInfo.mintContext!.cmintDecompressed,
             version: mintInfo.mintContext!.version,
             metadata: mintInfo.tokenMetadata
                 ? {

js/compressed-token/src/v3/actions/mint-to.ts

@@ -77,7 +77,7 @@ export async function mintTo(
             mintAuthority: mintInfo.mint.mintAuthority,
             freezeAuthority: mintInfo.mint.freezeAuthority,
             splMint: mintInfo.mintContext!.splMint,
-            splMintInitialized: mintInfo.mintContext!.splMintInitialized,
+            cmintDecompressed: mintInfo.mintContext!.cmintDecompressed,
             version: mintInfo.mintContext!.version,
             metadata: mintInfo.tokenMetadata
                 ? {

js/compressed-token/src/v3/instructions/create-mint.ts

@@ -142,7 +142,7 @@ export function encodeCreateMintInstructionData(
             decimals: params.decimals,
             metadata: {
                 version: TokenDataVersion.ShaFlat,
-                splMintInitialized: false,
+                cmintDecompressed: false,
                 mint: splMintPda,
             },
             mintAuthority: params.mintAuthority,

js/compressed-token/src/v3/instructions/mint-to-compressed.ts

@@ -76,7 +76,7 @@ function encodeCompressedMintToInstructionData(
             decimals: params.mintData.decimals,
             metadata: {
                 version: params.mintData.version,
-                splMintInitialized: params.mintData.splMintInitialized,
+                cmintDecompressed: params.mintData.cmintDecompressed,
                 mint: params.mintData.splMint,
             },
             mintAuthority: params.mintData.mintAuthority,

js/compressed-token/src/v3/instructions/mint-to-interface.ts

@@ -67,7 +67,7 @@ export function createMintToInterfaceInstruction(
         mintAuthority: mintInterface.mint.mintAuthority,
         freezeAuthority: mintInterface.mint.freezeAuthority,
         splMint: mintInterface.mintContext.splMint,
-        splMintInitialized: mintInterface.mintContext.splMintInitialized,
+        cmintDecompressed: mintInterface.mintContext.cmintDecompressed,
         version: mintInterface.mintContext.version,
         metadata: mintInterface.tokenMetadata
             ? {

js/compressed-token/src/v3/instructions/mint-to.ts

@@ -71,7 +71,7 @@ function encodeMintToCTokenInstructionData(
             decimals: params.mintData.decimals,
             metadata: {
                 version: params.mintData.version,
-                splMintInitialized: params.mintData.splMintInitialized,
+                cmintDecompressed: params.mintData.cmintDecompressed,
                 mint: params.mintData.splMint,
             },
             mintAuthority: params.mintData.mintAuthority,

js/compressed-token/src/v3/instructions/update-metadata.ts

@@ -113,8 +113,7 @@ function encodeUpdateMetadataInstructionData(
             decimals: mintInterface.mint.decimals,
             metadata: {
                 version: mintInterface.mintContext!.version,
-                splMintInitialized:
-                    mintInterface.mintContext!.splMintInitialized,
+                cmintDecompressed: mintInterface.mintContext!.cmintDecompressed,
                 mint: mintInterface.mintContext!.splMint,
             },
             mintAuthority: mintInterface.mint.mintAuthority,

js/compressed-token/src/v3/instructions/update-mint.ts

@@ -86,8 +86,8 @@ function encodeUpdateMintInstructionData(
             decimals: params.mintInterface.mint.decimals,
             metadata: {
                 version: params.mintInterface.mintContext!.version,
-                splMintInitialized:
-                    params.mintInterface.mintContext!.splMintInitialized,
+                cmintDecompressed:
+                    params.mintInterface.mintContext!.cmintDecompressed,
                 mint: params.mintInterface.mintContext!.splMint,
             },
             mintAuthority: params.mintInterface.mint.mintAuthority,

js/compressed-token/src/v3/layout/layout-mint-action.ts

@@ -62,6 +62,14 @@ export const RemoveMetadataKeyActionLayout = struct([
     u8('idempotent'),
 ]);
 
+export const DecompressMintActionLayout = struct([
+    u8('cmintBump'),
+    u8('rentPayment'),
+    u32('writeTopUp'),
+]);
+
+export const CompressAndCloseCMintActionLayout = struct([u8('idempotent')]);
+
 export const ActionLayout = rustEnum([
     MintToCompressedActionLayout.replicate('mintToCompressed'),
     UpdateAuthorityLayout.replicate('updateMintAuthority'),
@@ -71,6 +79,8 @@ export const ActionLayout = rustEnum([
     UpdateMetadataFieldActionLayout.replicate('updateMetadataField'),
     UpdateMetadataAuthorityActionLayout.replicate('updateMetadataAuthority'),
     RemoveMetadataKeyActionLayout.replicate('removeMetadataKey'),
+    DecompressMintActionLayout.replicate('decompressMint'),
+    CompressAndCloseCMintActionLayout.replicate('compressAndCloseCMint'),
 ]);
 
 export const CompressedProofLayout = struct([
@@ -133,7 +143,7 @@ export const ExtensionInstructionDataLayout = rustEnum([
 
 export const CompressedMintMetadataLayout = struct([
     u8('version'),
-    bool('splMintInitialized'),
+    bool('cmintDecompressed'),
     publicKey('mint'),
 ]);
 
@@ -158,7 +168,7 @@ export const MintActionCompressedInstructionDataLayout = struct([
     vec(ActionLayout, 'actions'),
     option(CompressedProofLayout, 'proof'),
     option(CpiContextLayout, 'cpiContext'),
-    CompressedMintInstructionDataLayout.replicate('mint'),
+    option(CompressedMintInstructionDataLayout, 'mint'),
 ]);
 
 export interface ValidityProof {
@@ -208,6 +218,16 @@ export interface RemoveMetadataKeyAction {
     idempotent: number;
 }
 
+export interface DecompressMintAction {
+    cmintBump: number;
+    rentPayment: number;
+    writeTopUp: number;
+}
+
+export interface CompressAndCloseCMintAction {
+    idempotent: number;
+}
+
 export type Action =
     | { mintToCompressed: MintToCompressedAction }
     | { updateMintAuthority: UpdateAuthority }
@@ -216,7 +236,9 @@ export type Action =
     | { mintToCToken: MintToCTokenAction }
     | { updateMetadataField: UpdateMetadataFieldAction }
     | { updateMetadataAuthority: UpdateMetadataAuthorityAction }
-    | { removeMetadataKey: RemoveMetadataKeyAction };
+    | { removeMetadataKey: RemoveMetadataKeyAction }
+    | { decompressMint: DecompressMintAction }
+    | { compressAndCloseCMint: CompressAndCloseCMintAction };
 
 export interface CpiContext {
     setContext: boolean;
@@ -254,7 +276,7 @@ export type ExtensionInstructionData = {
 
 export interface CompressedMintMetadata {
     version: number;
-    splMintInitialized: boolean;
+    cmintDecompressed: boolean;
     mint: PublicKey;
 }
 
@@ -279,7 +301,7 @@ export interface MintActionCompressedInstructionData {
     actions: Action[];
     proof: ValidityProof | null;
     cpiContext: CpiContext | null;
-    mint: CompressedMintInstructionData;
+    mint: CompressedMintInstructionData | null;
 }
 
 /**
@@ -294,10 +316,12 @@ export function encodeMintActionInstructionData(
     // Convert bigint fields to BN for Borsh encoding
     const encodableData = {
         ...data,
-        mint: {
-            ...data.mint,
-            supply: bn(data.mint.supply.toString()),
-        },
+        mint: data.mint
+            ? {
+                  ...data.mint,
+                  supply: bn(data.mint.supply.toString()),
+              }
+            : null,
         actions: data.actions.map(action => {
             // Handle MintToCompressed action with recipients
             if ('mintToCompressed' in action && action.mintToCompressed) {

js/compressed-token/src/v3/layout/layout-mint.ts

@@ -33,8 +33,8 @@ export interface BaseMint {
 export interface MintContext {
     /** Protocol version for upgradability */
     version: number;
-    /** Whether the associated SPL mint is initialized */
-    splMintInitialized: boolean;
+    /** Whether the compressed mint is decompressed to a CMint Solana account */
+    cmintDecompressed: boolean;
     /** PDA of the associated SPL mint */
     splMint: PublicKey;
 }
@@ -91,14 +91,14 @@ export interface CompressedMint {
 /** MintContext as stored by the program */
 export interface RawMintContext {
     version: number;
-    splMintInitialized: number; // bool as u8
+    cmintDecompressed: number; // bool as u8
     splMint: PublicKey;
 }
 
 /** Buffer layout for de/serializing MintContext */
 export const MintContextLayout = struct<RawMintContext>([
     u8('version'),
-    u8('splMintInitialized'),
+    u8('cmintDecompressed'),
     publicKey('splMint'),
 ]);
 
@@ -231,7 +231,7 @@ export function deserializeMint(data: Buffer | Uint8Array): CompressedMint {
 
     const mintContext: MintContext = {
         version: rawContext.version,
-        splMintInitialized: rawContext.splMintInitialized !== 0,
+        cmintDecompressed: rawContext.cmintDecompressed !== 0,
         splMint: rawContext.splMint,
     };
 
@@ -275,7 +275,7 @@ export function serializeMint(mint: CompressedMint): Buffer {
     MintContextLayout.encode(
         {
             version: mint.mintContext.version,
-            splMintInitialized: mint.mintContext.splMintInitialized ? 1 : 0,
+            cmintDecompressed: mint.mintContext.cmintDecompressed ? 1 : 0,
             splMint: mint.mintContext.splMint,
         },
         contextBuffer,
@@ -441,7 +441,7 @@ export interface MintInstructionData {
     mintAuthority: PublicKey | null;
     freezeAuthority: PublicKey | null;
     splMint: PublicKey;
-    splMintInitialized: boolean;
+    cmintDecompressed: boolean;
     version: number;
     metadata?: MintMetadataField;
 }
@@ -483,7 +483,7 @@ export function toMintInstructionData(
         mintAuthority: base.mintAuthority,
         freezeAuthority: base.freezeAuthority,
         splMint: mintContext.splMint,
-        splMintInitialized: mintContext.splMintInitialized,
+        cmintDecompressed: mintContext.cmintDecompressed,
         version: mintContext.version,
         metadata,
     };