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add support for confidential mint/burn token extension #836

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5a4f124
add support for parsing and displaying the confidential mint/burn tok…
jshiohaha Jan 27, 2026
83ca92e
add build:info output
jshiohaha Jan 28, 2026
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34 changes: 34 additions & 0 deletions app/components/account/TokenAccountSection.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ import { getCurrentTokenScaledUiAmountMultiplier } from '@utils/token-info';
import { addressLabel } from '@utils/tx';
import { MintAccountInfo, MultisigAccountInfo, TokenAccount, TokenAccountInfo } from '@validators/accounts/token';
import {
ConfidentialMintBurn,
ConfidentialTransferAccount,
ConfidentialTransferFeeAmount,
ConfidentialTransferFeeConfig,
Expand Down Expand Up @@ -556,6 +557,7 @@ function cmpExtension(a: TokenExtension, b: TokenExtension) {
'confidentialTransferFeeConfig',
'confidentialTransferFeeAmount',
'confidentialTransferMint',
'confidentialMintBurn',
'interestBearingConfig',
'pausableConfig',
'scaledUiAmountConfig',
Expand Down Expand Up @@ -723,6 +725,38 @@ export function TokenExtensionRow(
</>
);
}
case 'confidentialMintBurn': {
const extension = create(tokenExtension.state, ConfidentialMintBurn);
return (
<>
{headerStyle === 'header' ? <HHeader name="Confidential Mint/Burn" /> : null}
{extension.confidentialSupply && (
<tr>
<td>Confidential Supply</td>
<td className="text-lg-end">{extension.confidentialSupply}</td>
</tr>
)}
{extension.decryptableSupply && (
<tr>
<td>Decryptable Supply</td>
<td className="text-lg-end">{extension.decryptableSupply}</td>
</tr>
)}
{extension.supplyElgamalPubkey && (
<tr>
<td>Supply Elgamal Pubkey</td>
<td className="text-lg-end">{extension.supplyElgamalPubkey}</td>
</tr>
)}
{extension.pendingBurn && (
<tr>
<td>Pending Burn</td>
<td className="text-lg-end">{extension.pendingBurn}</td>
</tr>
)}
</>
);
}
case 'confidentialTransferFeeConfig': {
const extension = create(tokenExtension.state, ConfidentialTransferFeeConfig);
return (
Expand Down
28 changes: 28 additions & 0 deletions app/components/account/__tests__/TokenExtensionRow.spec.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -123,6 +123,34 @@ describe('TokenExtensionRow', () => {
expect(screen.getByText('auto')).toBeInTheDocument();
});

test('should render confidentialMintBurn extension', async () => {
const data = {
extension: 'confidentialMintBurn',
state: {
confidentialSupply: 'confidential-supply',
decryptableSupply: 'decryptable-supply',
pendingBurn: 'pending-burn',
supplyElgamalPubkey: 'test-pubkey',
},
} as TokenExtension;

render(
<ScrollAnchorProvider>
<ClusterProvider>
<AccountsProvider>
<TableCardBody>{TokenExtensionRow(data, undefined, 6, undefined)}</TableCardBody>
</AccountsProvider>
</ClusterProvider>
</ScrollAnchorProvider>
);

expect(await screen.findByText('Confidential Mint/Burn')).toBeInTheDocument();
expect(screen.getByText('Confidential Supply')).toBeInTheDocument();
expect(screen.getByText('Decryptable Supply')).toBeInTheDocument();
expect(screen.getByText('Supply Elgamal Pubkey')).toBeInTheDocument();
expect(screen.getByText('Pending Burn')).toBeInTheDocument();
});

test('should render confidentialTransferFeeConfig extension', async () => {
const data = {
extension: 'confidentialTransferFeeConfig',
Expand Down
9 changes: 9 additions & 0 deletions app/features/metadata/mocks.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -155,6 +155,15 @@ export function getTokenExtension(): TokenExtension[] {
autoApproveNewAccounts: false,
},
},
{
extension: 'confidentialMintBurn',
state: {
confidentialSupply: 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==',
decryptableSupply: 'Ut1TB1Rk4QgH7Ddc3f62LeddYtQ+jlqpAV9YbgfwBVAGIUk8',
pendingBurn: 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==',
supplyElgamalPubkey: '9o26anpyrZ+xCtVSPWHy3iARnCPovlneimCHKNQLVks=',
},
},
{
extension: 'confidentialTransferFeeConfig',
state: {
Expand Down
11 changes: 11 additions & 0 deletions app/utils/token-extension.ts
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Expand Up @@ -176,6 +176,17 @@ export function populatePartialParsedTokenExtension(
tooltip: description,
};
}
case 'confidentialMintBurn': {
const description =
'Allow token issuers to opt in to encrypted mint and burn operations, along with encrypted total supply';
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@jshiohaha jshiohaha Feb 3, 2026

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Acknowledging this text can probably be improved — open to suggestions.

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@2c9jj9rmgj-code 2c9jj9rmgj-code Feb 3, 2026

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sorry I don't know how this works i was just now getting this in email i've had aa few bad weeks so forgive me for being late or unresponsive but working by yourself is hard to do. Thanks for the help and since it's cleared up i'm going to get a hour of sleep until i got to get up to go to work do you need anything else from me or did i need to do anything to make this push through or whatever?

return {
description,
externalLinks: populateExternalLinks('https://spl.solana.com/confidential-token/quickstart'),
name: 'Confidential Mint/Burn',
status: 'active',
tooltip: description,
};
}
case 'interestBearingConfig': {
const description = 'Allows the token balance to be displayed with accumulated interest';
return {
Expand Down
8 changes: 8 additions & 0 deletions app/validators/accounts/token-extension.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ const ExtensionType = enums([
'mintCloseAuthority',
'confidentialTransferMint',
'confidentialTransferAccount',
'confidentialMintBurn',
'defaultAccountState',
'immutableOwner',
'memoTransfer',
Expand Down Expand Up @@ -92,6 +93,13 @@ export const ConfidentialTransferMint = type({
autoApproveNewAccounts: boolean(),
});

export const ConfidentialMintBurn = type({
confidentialSupply: string(),
decryptableSupply: string(),
pendingBurn: string(),
supplyElgamalPubkey: string(),
});

export const ConfidentialTransferFeeConfig = type({
authority: nullable(PublicKeyFromString),
harvestToMintEnabled: boolean(),
Expand Down
46 changes: 23 additions & 23 deletions bench/BUILD.md
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Original file line number Diff line number Diff line change
@@ -1,49 +1,49 @@
| Type | Route | Size | First Load JS |
|------|-------|------|---------------|
| Static | `/` | 15.8 kB | 1.01 MB |
| Static | `/_not-found` | 332 B | 161 kB |
| Static | `/` | 15.7 kB | 1.01 MB |
| Static | `/_not-found` | 334 B | 161 kB |
| Dynamic | `/address/[address]` | 11.7 kB | 301 kB |
| Dynamic | `/address/[address]/anchor-account` | 5.76 kB | 992 kB |
| Dynamic | `/address/[address]/anchor-program` | 332 B | 161 kB |
| Dynamic | `/address/[address]/anchor-program` | 333 B | 161 kB |
| Dynamic | `/address/[address]/attestation` | 6.67 kB | 972 kB |
| Dynamic | `/address/[address]/attributes` | 2.49 kB | 931 kB |
| Dynamic | `/address/[address]/blockhashes` | 1.88 kB | 926 kB |
| Dynamic | `/address/[address]/compression` | 5.26 kB | 959 kB |
| Dynamic | `/address/[address]/compression` | 5.27 kB | 959 kB |
| Dynamic | `/address/[address]/concurrent-merkle-tree` | 3.75 kB | 952 kB |
| Dynamic | `/address/[address]/domains` | 13.9 kB | 933 kB |
| Dynamic | `/address/[address]/entries` | 3.08 kB | 939 kB |
| Dynamic | `/address/[address]/domains` | 13.8 kB | 932 kB |
| Dynamic | `/address/[address]/entries` | 3.09 kB | 939 kB |
| Dynamic | `/address/[address]/feature-gate` | 333 B | 161 kB |
| Dynamic | `/address/[address]/idl` | 134 kB | 607 kB |
| Dynamic | `/address/[address]/instructions` | 2.12 kB | 1.03 MB |
| Dynamic | `/address/[address]/metadata` | 3.89 kB | 945 kB |
| Dynamic | `/address/[address]/nftoken-collection-nfts` | 5.97 kB | 971 kB |
| Dynamic | `/address/[address]/program-multisig` | 3.4 kB | 995 kB |
| Dynamic | `/address/[address]/program-multisig` | 3.4 kB | 994 kB |
| Dynamic | `/address/[address]/rewards` | 3.69 kB | 930 kB |
| Dynamic | `/address/[address]/security` | 10.9 kB | 1.02 MB |
| Dynamic | `/address/[address]/slot-hashes` | 3.59 kB | 930 kB |
| Dynamic | `/address/[address]/stake-history` | 3.73 kB | 930 kB |
| Dynamic | `/address/[address]/token-extensions` | 8.67 kB | 990 kB |
| Dynamic | `/address/[address]/tokens` | 7.98 kB | 1.12 MB |
| Dynamic | `/address/[address]/slot-hashes` | 3.6 kB | 930 kB |
| Dynamic | `/address/[address]/stake-history` | 3.74 kB | 930 kB |
| Dynamic | `/address/[address]/token-extensions` | 8.67 kB | 991 kB |
| Dynamic | `/address/[address]/tokens` | 7.97 kB | 1.12 MB |
| Dynamic | `/address/[address]/transfers` | 3.52 kB | 1.06 MB |
| Dynamic | `/address/[address]/verified-build` | 5.94 kB | 997 kB |
| Dynamic | `/address/[address]/vote-history` | 3.6 kB | 930 kB |
| Dynamic | `/address/[address]/vote-history` | 3.61 kB | 930 kB |
| Dynamic | `/api/anchor` | 0 B | 0 B |
| Dynamic | `/api/domain-info/[domain]` | 0 B | 0 B |
| Static | `/api/metadata/proxy` | 0 B | 0 B |
| Dynamic | `/api/ping/[network]` | 0 B | 0 B |
| Dynamic | `/api/programMetadataIdl` | 0 B | 0 B |
| Dynamic | `/api/verified-programs/list/[page]` | 0 B | 0 B |
| Dynamic | `/api/verified-programs/metadata/[programId]` | 0 B | 0 B |
| Dynamic | `/block/[slot]` | 10.5 kB | 943 kB |
| Dynamic | `/block/[slot]/accounts` | 4.65 kB | 923 kB |
| Dynamic | `/block/[slot]/programs` | 5.25 kB | 924 kB |
| Dynamic | `/block/[slot]/rewards` | 5.17 kB | 929 kB |
| Dynamic | `/epoch/[epoch]` | 7 kB | 262 kB |
| Static | `/feature-gates` | 3.54 kB | 928 kB |
| Dynamic | `/block/[slot]` | 10.4 kB | 943 kB |
| Dynamic | `/block/[slot]/accounts` | 4.58 kB | 923 kB |
| Dynamic | `/block/[slot]/programs` | 5.16 kB | 924 kB |
| Dynamic | `/block/[slot]/rewards` | 5.09 kB | 928 kB |
| Dynamic | `/epoch/[epoch]` | 6.97 kB | 262 kB |
| Static | `/feature-gates` | 3.46 kB | 928 kB |
| Static | `/opengraph-image.png` | 0 B | 0 B |
| Static | `/supply` | 7.08 kB | 930 kB |
| Static | `/supply` | 7 kB | 930 kB |
| Static | `/tos` | 332 B | 161 kB |
| Dynamic | `/tx/[signature]` | 34.3 kB | 1.4 MB |
| Dynamic | `/tx/[signature]/inspect` | 610 B | 1.2 MB |
| Static | `/tx/inspector` | 623 B | 1.2 MB |
| Static | `/verified-programs` | 6.13 kB | 169 kB |
| Dynamic | `/tx/[signature]` | 34.2 kB | 1.4 MB |
| Dynamic | `/tx/[signature]/inspect` | 611 B | 1.2 MB |
| Static | `/tx/inspector` | 624 B | 1.2 MB |
| Static | `/verified-programs` | 6.1 kB | 169 kB |