feat: add canton participant and end invester intents

modules/sdk-coin-canton/src/canton.ts

@@ -465,5 +465,29 @@ export class Canton extends BaseCoin {
     if (params.cantonCommandParams) {
       intent.cantonCommandParams = params.cantonCommandParams;
     }
+    if (params.endInvestorPartyId) {
+      intent.endInvestorPartyId = params.endInvestorPartyId;
+    }
+    if (params.reason) {
+      intent.reason = params.reason;
+    }
+    if (params.operator) {
+      intent.operator = params.operator;
+    }
+    if (params.provider) {
+      intent.provider = params.provider;
+    }
+    if (params.compliance) {
+      intent.compliance = params.compliance;
+    }
+    if (params.registrar) {
+      intent.registrar = params.registrar;
+    }
+    if (params.clientOnboarder) {
+      intent.clientOnboarder = params.clientOnboarder;
+    }
+    if (params.expirationIso) {
+      intent.expirationIso = params.expirationIso;
+    }
   }
 }

modules/sdk-core/src/bitgo/utils/mpcUtils.ts

@@ -139,14 +139,35 @@ export abstract class MpcUtils {
     }
 
     if (
-      ['transferAccept', 'transferReject', 'cosignDelegationAccept', 'allocationAllocate'].includes(
-        params.intentType
-      ) &&
+      [
+        'transferAccept',
+        'transferReject',
+        'cosignDelegationAccept',
+        'allocationAllocate',
+        'cantonEndInvestorOnboardingAccept',
+        'cantonEndInvestorOnboardingReject',
+      ].includes(params.intentType) &&
       baseCoin.getFamily() === 'canton'
     ) {
       assert(params.txRequestId, `'txRequestId' is required parameter for ${params.intentType} intent`);
     }
 
+    if (params.intentType === 'cantonEndInvestorOnboardingOffer') {
+      assert(params.endInvestorPartyId, `'endInvestorPartyId' is required parameter for ${params.intentType} intent`);
+    }
+
+    if (params.intentType === 'cantonEndInvestorOnboardingReject') {
+      assert(params.reason, `'reason' is required parameter for ${params.intentType} intent`);
+    }
+
+    if (params.intentType === 'cantonParticipantOnboardingRequest') {
+      assert(params.operator, `'operator' is required parameter for ${params.intentType} intent`);
+      assert(params.provider, `'provider' is required parameter for ${params.intentType} intent`);
+      assert(params.compliance, `'compliance' is required parameter for ${params.intentType} intent`);
+      assert(params.registrar, `'registrar' is required parameter for ${params.intentType} intent`);
+      assert(params.clientOnboarder, `'clientOnboarder' is required parameter for ${params.intentType} intent`);
+    }
+
     if (
       ['transferOfferWithdrawn', 'allocationAllocateWithdrawn'].includes(params.intentType) &&
       baseCoin.getFamily() === 'canton'
@@ -194,6 +215,10 @@ export abstract class MpcUtils {
         'allocationAllocateWithdrawn',
         'bridgeFunds',
         'cantonCommand',
+        'cantonEndInvestorOnboardingOffer',
+        'cantonEndInvestorOnboardingAccept',
+        'cantonEndInvestorOnboardingReject',
+        'cantonParticipantOnboardingRequest',
         'defi-approve',
         'defi-deposit',
       ].includes(params.intentType)

modules/sdk-core/src/bitgo/utils/tss/baseTypes.ts

@@ -375,6 +375,22 @@ export interface PrebuildTransactionWithIntentOptions extends IntentOptionsBase
   cantonCommandParams?: CantonCommandParams;
   /** DeFi vault intent fields for defi-approve / defi-deposit intents. */
   defiParams?: DefiIntentParams;
+  /** Canton party ID of the end investor to onboard (cantonEndInvestorOnboardingOffer intent). */
+  endInvestorPartyId?: string;
+  /** Reason for rejecting the onboarding offer (cantonEndInvestorOnboardingReject intent). */
+  reason?: string;
+  /** DTCC operator party ID (cantonParticipantOnboardingRequest intent). */
+  operator?: string;
+  /** DTCC provider party ID (cantonParticipantOnboardingRequest intent). */
+  provider?: string;
+  /** DTCC compliance party ID (cantonParticipantOnboardingRequest intent). */
+  compliance?: string;
+  /** DTCC registrar party ID (cantonParticipantOnboardingRequest intent). */
+  registrar?: string;
+  /** DTCC client onboarder party ID (cantonParticipantOnboardingRequest intent). */
+  clientOnboarder?: string;
+  /** Optional ISO 8601 expiration timestamp (cantonParticipantOnboardingRequest intent). */
+  expirationIso?: string;
 }
 export interface IntentRecipient {
   address: {
@@ -459,6 +475,22 @@ export interface PopulatedIntent extends PopulatedIntentBase, DefiIntentFields {
   amount?: { value: string; symbol: string } | string;
   /** Canton-specific params serialized into the cantonCommand intent payload. */
   cantonCommandParams?: CantonCommandParams;
+  /** Canton party ID of the end investor to onboard (cantonEndInvestorOnboardingOffer intent). */
+  endInvestorPartyId?: string;
+  /** Reason for rejecting the onboarding offer (cantonEndInvestorOnboardingReject intent). */
+  reason?: string;
+  /** DTCC operator party ID (cantonParticipantOnboardingRequest intent). */
+  operator?: string;
+  /** DTCC provider party ID (cantonParticipantOnboardingRequest intent). */
+  provider?: string;
+  /** DTCC compliance party ID (cantonParticipantOnboardingRequest intent). */
+  compliance?: string;
+  /** DTCC registrar party ID (cantonParticipantOnboardingRequest intent). */
+  registrar?: string;
+  /** DTCC client onboarder party ID (cantonParticipantOnboardingRequest intent). */
+  clientOnboarder?: string;
+  /** Optional ISO 8601 expiration timestamp (cantonParticipantOnboardingRequest intent). */
+  expirationIso?: string;
 }
 
 export type TxRequestState =

modules/sdk-core/src/bitgo/wallet/iWallet.ts

@@ -297,6 +297,22 @@ export interface PrebuildTransactionOptions {
    * Parameters for executing DAML commands on Canton.
    */
   cantonCommandParams?: CantonCommandParams;
+  /** Canton party ID of the end investor to onboard (cantonEndInvestorOnboardingOffer intent). */
+  endInvestorPartyId?: string;
+  /** Reason for rejecting the onboarding offer (cantonEndInvestorOnboardingReject intent). */
+  reason?: string;
+  /** DTCC operator party ID (cantonParticipantOnboardingRequest intent). */
+  operator?: string;
+  /** DTCC provider party ID (cantonParticipantOnboardingRequest intent). */
+  provider?: string;
+  /** DTCC compliance party ID (cantonParticipantOnboardingRequest intent). */
+  compliance?: string;
+  /** DTCC registrar party ID (cantonParticipantOnboardingRequest intent). */
+  registrar?: string;
+  /** DTCC client onboarder party ID (cantonParticipantOnboardingRequest intent). */
+  clientOnboarder?: string;
+  /** Optional ISO 8601 expiration timestamp (cantonParticipantOnboardingRequest intent). */
+  expirationIso?: string;
 }
 
 export interface PrebuildAndSignTransactionOptions extends PrebuildTransactionOptions, WalletSignTransactionOptions {

modules/sdk-core/src/bitgo/wallet/wallet.ts

@@ -4377,6 +4377,83 @@ export class Wallet implements IWallet {
         );
         break;
       }
+      case 'cantonEndInvestorOnboardingOffer': {
+        if (!params.endInvestorPartyId) {
+          throw new Error('endInvestorPartyId is required for cantonEndInvestorOnboardingOffer intent');
+        }
+        txRequest = await this.tssUtils!.prebuildTxWithIntent(
+          {
+            reqId,
+            intentType: 'cantonEndInvestorOnboardingOffer',
+            endInvestorPartyId: params.endInvestorPartyId,
+            comment: params.comment,
+            sequenceId: params.sequenceId,
+          },
+          apiVersion,
+          params.preview
+        );
+        break;
+      }
+      case 'cantonEndInvestorOnboardingAccept': {
+        txRequest = await this.tssUtils!.prebuildTxWithIntent(
+          {
+            reqId,
+            intentType: 'cantonEndInvestorOnboardingAccept',
+            txRequestId: params.txRequestId,
+            sequenceId: params.txRequestId,
+          },
+          apiVersion,
+          params.preview
+        );
+        break;
+      }
+      case 'cantonEndInvestorOnboardingReject': {
+        if (!params.reason) {
+          throw new Error('reason is required for cantonEndInvestorOnboardingReject intent');
+        }
+        txRequest = await this.tssUtils!.prebuildTxWithIntent(
+          {
+            reqId,
+            intentType: 'cantonEndInvestorOnboardingReject',
+            txRequestId: params.txRequestId,
+            sequenceId: params.txRequestId,
+            reason: params.reason,
+          },
+          apiVersion,
+          params.preview
+        );
+        break;
+      }
+      case 'cantonParticipantOnboardingRequest': {
+        if (
+          !params.operator ||
+          !params.provider ||
+          !params.compliance ||
+          !params.registrar ||
+          !params.clientOnboarder
+        ) {
+          throw new Error(
+            'operator, provider, compliance, registrar, and clientOnboarder are required for cantonParticipantOnboardingRequest intent'
+          );
+        }
+        txRequest = await this.tssUtils!.prebuildTxWithIntent(
+          {
+            reqId,
+            intentType: 'cantonParticipantOnboardingRequest',
+            operator: params.operator,
+            provider: params.provider,
+            compliance: params.compliance,
+            registrar: params.registrar,
+            clientOnboarder: params.clientOnboarder,
+            expirationIso: params.expirationIso,
+            comment: params.comment,
+            sequenceId: params.sequenceId,
+          },
+          apiVersion,
+          params.preview
+        );
+        break;
+      }
       case 'cantonCommand': {
         if (!params.cantonCommandParams) {
           throw new Error('cantonCommandParams is required for cantonCommand intent');