The confidential wholesale CBDC chaincode includes all methods that are available in the extended Token Taxonomy Framework chaincode. The following additional methods that are specific to the confidential wholesale CBDC scenario are available.
-
createAccount
- This method creates an account for a specified user and token. An account must be created for any user who will have tokens at any point. This method can be called only by a
Token Admin or by an Org Admin of the specified organization.
@Validator(yup.string(), yup.string(), yup.string(), yup.array().of(yup.string()), yup.object().nullable())
public async createAccount(org_id: string, user_id: string, token_type: string, application_groups: string[], dailyLimits?: DailyLimits) {
await this.Ctx.Auth.checkAuthorization("ACCOUNT.createAccount", "TOKEN", { org_id });
await this.Ctx.Model.createEvent(EVENT_NAME.CREATE_ACCOUNT, { org_id, user_id, token_type, application_groups, dailyLimits });
return await this.Ctx.Account.createAccount(org_id, user_id, token_type, application_groups, dailyLimits);
}
- Parameters:
- Return Value Example:
{
"bapAccountVersion": 0,
"assetType": "oaccount",
"account_id": "oaccount~b53cb2c19c92d1d5c8cb9f6e988e7761c34e03e014e6c4b889565fc0abf46c8a",
"org_id": "CentralBank",
"token_type": "fungible",
"token_id": "",
"token_name": "",
"balance": "028b72742c8aa9a0395c828fe4f0e46226a3e40d4e731d0b994c8028c8b7bd4df6",
"onhold_balance": "028b72742c8aa9a0395c828fe4f0e46226a3e40d4e731d0b994c8028c8b7bd4df6",
"onhold_burn_balance": "028b72742c8aa9a0395c828fe4f0e46226a3e40d4e731d0b994c8028c8b7bd4df6",
"application_groups": [
"CENTRAL_BANK_USERS"
]
}
-
setApplicationGroups
- This method sets the
application_groups parameter in the account details for the specified application groups in the API. This method can be called only by a Token Admin or Org Admin of the specified organization.
@Validator(yup.string(), yup.array().of(yup.string()))
public async setApplicationGroups (account_id: string, application_groups: string[]) {
const account: FungibleAccount = await this.Ctx.Account.getAccountWithTokenIdValidation(account_id);
await this.Ctx.Auth.checkAuthorization('CBDC_TOKEN.setApplicationGroups', 'TOKEN', { org_id: account.org_id });
const token_asset = await this.getTokenObject(account.token_id);
await this.Ctx.Model.createEvent(EVENT_NAME.SET_APPLICATION_GROUPS, { account_id, application_groups }, token_asset);
return this.Ctx.Account.setApplicationGroups (account_id, application_groups)
}
- Parameters:
account_id: string – The unique ID of the token account.
application_groups: string[] – A list of application groups the account ID belongs to, which define the user's associations in the CBDC application.
- Return Value Example:
{
"bapAccountVersion": 10,
"assetType": "oaccount",
"account_id": "oaccount~68d67712f500e9dac8c314c19744003a993250271d960e9b0d25267bb18dfe9a",
"org_id": "CentralBank",
"token_type": "fungible",
"token_id": "USD",
"token_name": "cbdc",
"balance": "02c4601262fa7ece1ffc909811f829ad973d4133ca27c9c0fa82972d441400ad3e",
"onhold_balance": "028954d23bfabee1a10d9f5a07793dec08ab0f93fd506079b0fa33f525d527595f",
"onhold_burn_balance": "028954d23bfabee1a10d9f5a07793dec08ab0f93fd506079b0fa33f525d527595f",
"application_groups": [
"SYSTEM_RETIRERS"
]
}
-
getBurnQuantity
- This method returns the total quantity of burned tokens for a specified organization. This method can be called only by a
Token Admin, Token Auditor, or a user with the burner role.
@GetMethod()
@Validator(yup.string())
public async getBurnQuantity(token_id: string) {
return await this.Ctx.CBDCToken.getBurnQuantity(token_id);
}
- Parameters:
token_id: string – The ID of the token.
- Return Value Example:
{
"burnt_quantity": 1200
}
-
getActionHistory
- This method retrieves the history of approvals or rejections made by the caller for mint, burn, and transfer (issuance) operations, including details of the organization, and user IDs of accounts involved (sender, recipient, and notary).
@GetMethod()
@Validator(yup.string())
public async getActionHistory(token_id: string) {
return await this.Ctx.CBDCToken.getActionHistory(token_id);
}
- Parameters:
token_id: string – The ID of the token.
- Return Value Example:
[
{
"from_account_id": "oaccount~cea6080858337b1575d6a76ed0bd07a0eacd8871e3f2f7f793729a0e4b0e8e98",
"from_org_id": "CentralBank",
"holding_id": "ohold~cbdc~USD~b770",
"holding_status": "APPROVE_BURN",
"last_updated_time": "2025-08-25T13:21:24.000Z",
"notary_account_id": "oaccount~9b136ef4a60230846a8c14761683851a386d306b79493bc4d00433020c96cfa7",
"notary_org_id": "CentralBank",
"operation_id": null,
"timetoexpiration": null,
"to_account_id": null,
"to_org_id": null,
"token_name": null,
"quantity": 200
},
{
"from_account_id": null,
"from_org_id": null,
"holding_id": "ohold~cbdc~USD~e7b6",
"holding_status": "APPROVE_MINT",
"last_updated_time": "2025-08-25T13:20:50.000Z",
"notary_account_id": "oaccount~9b136ef4a60230846a8c14761683851a386d306b79493bc4d00433020c96cfa7",
"notary_org_id": "CentralBank",
"operation_id": null,
"timetoexpiration": null,
"to_account_id": "oaccount~da6e14466a0ba9b48ebc18fa672addb92dffc371bf953c3229a95b2ff2d9cd41",
"to_org_id": "CentralBank",
"token_name": null,
"quantity": 1000
},
.
.
.
.
.
{
"from_account_id": null,
"from_org_id": null,
"holding_id": "ohold~cbdc~USD~1baa",
"holding_status": "APPROVE_MINT",
"last_updated_time": "2025-08-12T21:01:03.000Z",
"notary_account_id": "oaccount~9b136ef4a60230846a8c14761683851a386d306b79493bc4d00433020c96cfa7",
"notary_org_id": "CentralBank",
"operation_id": null,
"timetoexpiration": null,
"to_account_id": "oaccount~da6e14466a0ba9b48ebc18fa672addb92dffc371bf953c3229a95b2ff2d9cd41",
"to_org_id": "CentralBank",
"token_name": null,
"quantity": 10000
}
]
-
getPendingIssuance
- This method retrieves all pending issuance (transfer) transactions where the caller is assigned as an approver, including details of the organization, and user IDs of accounts involved (sender, recipient, and notary). This method can be called only by a
Token Admin or Token Auditor of the chaincode, an Org Admin or Org Auditor of the specified organization, or the Notary.
@GetMethod()
@Validator(yup.string(), yup.string())
public async getPendingIssuance(token_id: string, org_id: string) {
return await this.Ctx.CBDCToken.getPendingIssuance(token_id, org_id);
}
- Parameters:
token_id: string – The ID of the token.
org_id: string – The membership service provider (MSP) ID of the organization to get the pending transfers for.
- Return Value Example:
[
{
"asset_type": "ONHOLD",
"category": "issuance",
"from_account_id": "oaccount~68d67712f500e9dac8c314c19744003a993250271d960e9b0d25267bb18dfe9a",
"from_org_id": "CentralBank",
"holding_id": "ohold~cbdc~USD~77b75873",
"notary_account_id": "oaccount~9b136ef4a60230846a8c14761683851a386d306b79493bc4d00433020c96cfa7",
"notary_org_id": "CentralBank",
"operation_id": "77b75873",
"timetoexpiration": "0",
"to_account_id": "oaccount~3954f54a8bc7acdd0c3d0960104240f60d56c26c8a179430267359cd80ce3709",
"to_org_id": "org2",
"token_id": "USD",
"token_name": "cbdc",
"quantity": 200
},
{
"asset_type": "ONHOLD",
"category": "transfer",
"from_account_id": "oaccount~68d67712f500e9dac8c314c19744003a993250271d960e9b0d25267bb18dfe9a",
"from_org_id": "CentralBank",
"holding_id": "ohold~cbdc~USD~e26f11da",
"notary_account_id": "oaccount~9b136ef4a60230846a8c14761683851a386d306b79493bc4d00433020c96cfa7",
"notary_org_id": "CentralBank",
"operation_id": "e26f11da",
"timetoexpiration": "0",
"to_account_id": "oaccount~76687c724ddbc2d6e6664d9618b2bf1c2a9fe10f84887462447e4caba6aaaff3",
"to_org_id": "Org1",
"token_id": "USD",
"token_name": "cbdc",
"quantity": 100
}
]
-
getPendingRequest
- This method retrieves all pending requests of a specified type where the caller is assigned as an approver. This method can be called only by a
Token Admin or Token Auditor of the chaincode, an Org Admin or Org Auditor of the specified organization, or the Notary.
@GetMethod()
@Validator(yup.string(), yup.string(), yup.string())
public async getPendingRequest(token_id: string, request_type: string, org_id: string) {
return await this.Ctx.CBDCToken.getPendingRequest(token_id, request_type, org_id);
}
- Parameters:
token_id: string – The ID of the token.
org_id: string – The membership service provider (MSP) ID of the organization to get the pending requests for.
request_type: string – The transaction type. For example, mint or burn.
- Return Value Example:
[
{
"valueJson": {
"assetType": "ohold",
"holding_id": "ohold~cbdc~USD~89ce",
"operation_id": "89ce",
"token_name": "cbdc",
"from_org_id": "CentralBank",
"operation_type": "mint",
"status": "pending",
"from_account_id": "oaccount~da6e14466a0ba9b48ebc18fa672addb92dffc371bf953c3229a95b2ff2d9cd41",
"to_account_id": "",
"notary_account_id": "oaccount~9b136ef4a60230846a8c14761683851a386d306b79493bc4d00433020c96cfa7",
"token_id": "USD",
"quantity": 2000,
"time_to_expiration": "0",
"description": "Minting 2000 tokens"
}
},
{
"valueJson": {
"assetType": "ohold",
"holding_id": "ohold~cbdc~USD~cf73",
"operation_id": "cf73",
"token_name": "cbdc",
"from_org_id": "CentralBank",
"operation_type": "mint",
"status": "pending",
"from_account_id": "oaccount~da6e14466a0ba9b48ebc18fa672addb92dffc371bf953c3229a95b2ff2d9cd41",
"to_account_id": "",
"notary_account_id": "oaccount~9b136ef4a60230846a8c14761683851a386d306b79493bc4d00433020c96cfa7",
"token_id": "USD",
"quantity": 200,
"time_to_expiration": "0",
"description": "Minting 200"
}
}
]
-
getTotalBalanceByCallerOrgId
- This method retrieves the total balance of the caller's organization. It can be called by a
Token Admin, Token Auditor, Org Admin, Org Auditor, or any account owner.
@GetMethod()
@Validator()
public async getTotalBalanceByCallerOrgId() {
const org_id = await this.Ctx.Model.getCallerOrgId()
await this.Ctx.Auth.checkAuthorization("CBDC_TOKEN.getTotalBalanceByCallerOrgId", "TOKEN", { org_id });
return await this.Ctx.CBDCToken.getTotalBalanceByCallerOrgId();
}
- Return Value Example:
{
"totalBalance": 50500
}
-
getTransactionWithBlockNumber
- This method returns the details of the transaction for the specified transaction ID. This method can be called only by a
Token Admin, Token Auditor, Org Admin, Org Auditor, or any participant of the transaction.
@GetMethod()
@Validator(yup.string(), yup.string())
public async getTransactionWithBlockNumber(token_id: string, transaction_id: string) {
return await this.Ctx.CBDCToken.getTransactionWithBlockNumber(token_id, transaction_id);
}
- Parameters:
token_id: string – The ID of the token.
transaction_id: string – The ID of the transaction.
- Return Value Example:
[
{
"blockNo": 340,
"key": "otransaction~3140569a4ecb3c3f141cc2468fe21276640b7fd79013d951d9104b79072d8f9c",
"metadata": null,
"txnNo": 0,
"value": null,
"valueJson": {
"assetType": "otransaction",
"blockNo": 336,
"txnNo": 1,
"transaction_id": "otransaction~3140569a4ecb3c3f141cc2468fe21276640b7fd79013d951d9104b79072d8f9c",
"token_id": "USD",
"from_account_id": "oaccount~68d67712f500e9dac8c314c19744003a993250271d960e9b0d25267bb18dfe9a",
"from_account_balance": 26800,
"from_account_onhold_balance": 300,
"to_account_id": "oaccount~76687c724ddbc2d6e6664d9618b2bf1c2a9fe10f84887462447e4caba6aaaff3",
"transaction_type": "EXECUTE_HOLD_SENDER",
"amount": 200,
"timestamp": "2025-08-25T13:16:55.000Z",
"number_of_sub_transactions": 0,
"holding_id": "ohold~cbdc~USD~81d7c4ac",
"sub_transaction": "false",
"category": "transfer",
"global_transaction_id": "b54d4333-f4bb-4ca4-a7b7-cc75b659d912"
}
}
]
-
getAllActiveAccounts
- This method returns all of the active accounts that are associated with the specified token ID.
@GetMethod()
@Validator(yup.string(), yup.string())
public async getAllActiveAccounts(orgId: string, tokenId: string) {
return this.Ctx.CBDCToken.getAllActiveAccounts(orgId, tokenId);
}
- Parameters:
token_id: string – The ID of the token.
org_id: string – The membership service provider (MSP) ID of the organization to get the active accounts for.
- Returns:
- On success, a message that includes user details. The output varies based on the user's role, as shown in the following examples.
- Return Value Example (Token Administrator, Token Auditor, Organization Administrator, Organization Auditor):
[
{
"key": "oaccount~c44ffac4c46718e9744cb0aae2016d26a87a5bef5e2d1c0d1abc7d8782f0ba61",
"role_name": null,
"valueJson": {
"account_id": "oaccount~c44ffac4c46718e9744cb0aae2016d26a87a5bef5e2d1c0d1abc7d8782f0ba61",
"org_id": "CentralBank",
"token_id": "USD",
"application_groups": [
"SYSTEM_ADMINS"
],
"max_daily_amount": "10000",
"max_daily_transactions": "1000"
},
"non_account_role_name": [
"token_admin"
]
},
{
"key": "oaccount~1a6ea9aaa59c9ae8385bfdc870bf02616995c881ffeb111f526c8b31dbbdd43c",
"role_name": null,
"valueJson": {
"account_id": "oaccount~1a6ea9aaa59c9ae8385bfdc870bf02616995c881ffeb111f526c8b31dbbdd43c",
"org_id": "CentralBank",
"token_id": "USD",
"application_groups": [
"SYSTEM_AUDITORS"
],
"max_daily_amount": "10000",
"max_daily_transactions": "1000"
},
"non_account_role_name": [
"token_auditor"
]
},
{
"key": "oaccount~da6e14466a0ba9b48ebc18fa672addb92dffc371bf953c3229a95b2ff2d9cd41",
"role_name": "minter",
"valueJson": {
"account_id": "oaccount~da6e14466a0ba9b48ebc18fa672addb92dffc371bf953c3229a95b2ff2d9cd41",
"org_id": "CentralBank",
"token_id": "USD",
"application_groups": [
"SYSTEM_CREATORS"
],
"max_daily_amount": "1000000",
"max_daily_transactions": "100000"
},
"non_account_role_name": []
},
{
"key": "oaccount~9b136ef4a60230846a8c14761683851a386d306b79493bc4d00433020c96cfa7",
"role_name": "notary",
"valueJson": {
"account_id": "oaccount~9b136ef4a60230846a8c14761683851a386d306b79493bc4d00433020c96cfa7",
"org_id": "CentralBank",
"token_id": "USD",
"application_groups": [
"SYSTEM_MANAGERS"
],
"max_daily_amount": "10000",
"max_daily_transactions": "1000"
},
"non_account_role_name": []
}
]
- Return Value Example (all other users):
[
{
"key": "oaccount~c44ffac4c46718e9744cb0aae2016d26a87a5bef5e2d1c0d1abc7d8782f0ba61",
"role_name": null,
"valueJson": {
"account_id": "oaccount~c44ffac4c46718e9744cb0aae2016d26a87a5bef5e2d1c0d1abc7d8782f0ba61",
"org_id": "CentralBank",
"token_id": "USD",
"application_groups": [
"SYSTEM_ADMINS"
]
}
},
{
"key": "oaccount~1a6ea9aaa59c9ae8385bfdc870bf02616995c881ffeb111f526c8b31dbbdd43c",
"role_name": null,
"valueJson": {
"account_id": "oaccount~1a6ea9aaa59c9ae8385bfdc870bf02616995c881ffeb111f526c8b31dbbdd43c",
"org_id": "CentralBank",
"token_id": "USD",
"application_groups": [
"SYSTEM_AUDITORS"
]
}
},
{
"key": "oaccount~da6e14466a0ba9b48ebc18fa672addb92dffc371bf953c3229a95b2ff2d9cd41",
"role_name": "minter",
"valueJson": {
"account_id": "oaccount~da6e14466a0ba9b48ebc18fa672addb92dffc371bf953c3229a95b2ff2d9cd41",
"org_id": "CentralBank",
"token_id": "USD",
"application_groups": [
"SYSTEM_CREATORS"
]
}
},
{
"key": "oaccount~9b136ef4a60230846a8c14761683851a386d306b79493bc4d00433020c96cfa7",
"role_name": "notary",
"valueJson": {
"account_id": "oaccount~9b136ef4a60230846a8c14761683851a386d306b79493bc4d00433020c96cfa7",
"org_id": "CentralBank",
"token_id": "USD",
"application_groups": [
"SYSTEM_MANAGERS"
]
}
}
]
-
getAllSuspendedAccounts
- This method returns all of the suspended accounts that are associated with the specified token ID.
@GetMethod()
@Validator(yup.string(), yup.string())
public async getAllSuspendedAccounts(orgId: string, tokenId: string) {
return this.Ctx.CBDCToken.getAllSuspendedAccounts(orgId, tokenId);
}
- Parameters:
token_id: string – The ID of the token.
org_id: string – The membership service provider (MSP) ID of the organization to get the suspended accounts for.
- Returns:
- On success, a message that includes user details. The output varies based on the user's role, as shown in the following examples.
- Return Value Example (Token Administrator, Token Auditor, Organization Administrator, Organization Auditor):
[
{
"key": "oaccount~c44ffac4c46718e9744cb0aae2016d26a87a5bef5e2d1c0d1abc7d8782f0ba61",
"role_name": null,
"valueJson": {
"account_id": "oaccount~c44ffac4c46718e9744cb0aae2016d26a87a5bef5e2d1c0d1abc7d8782f0ba61",
"org_id": "CentralBank",
"token_id": "USD",
"application_groups": [
"SYSTEM_ADMINS"
],
"max_daily_amount": "10000",
"max_daily_transactions": "1000"
},
"non_account_role_name": [
"token_admin"
]
}
]
- Return Value Example (all other users):
[
{
"key": "oaccount~c44ffac4c46718e9744cb0aae2016d26a87a5bef5e2d1c0d1abc7d8782f0ba61",
"role_name": null,
"valueJson": {
"account_id": "oaccount~c44ffac4c46718e9744cb0aae2016d26a87a5bef5e2d1c0d1abc7d8782f0ba61",
"org_id": "CentralBank",
"token_id": "USD",
"application_groups": [
"SYSTEM_ADMINS"
]
}
}
]