feat(sdk-coin-ton): add util function to derive vesting contract address

modules/sdk-coin-ton/src/lib/constants.ts

@@ -2,3 +2,5 @@ export const VESTING_CONTRACT_WALLET_ID = 268;
 export const WALLET_ID = 698983191;
 export const JETTON_TRANSFER_OPCODE = 0x0f8a7ea5;
 export const WITHDRAW_OPCODE = '00001000';
+export const VESTING_CONTRACT_CODE_B64 =
+  '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';

modules/sdk-coin-ton/src/lib/iface.ts

@@ -20,3 +20,15 @@ export interface TxData {
 }
 
 export type TransactionExplanation = ITransactionExplanation<TransactionFee>;
+
+export type VestingContractParams = {
+  subWalletId: number;
+  publicKeyHex: string;
+  vestingStartTime: number;
+  vestingTotalDuration: number;
+  unlockPeriod: number;
+  cliffDuration: number;
+  vestingTotalAmount: bigint;
+  vestingSenderAddress: string;
+  ownerAddress: string;
+};

modules/sdk-coin-ton/src/lib/utils.ts

@@ -1,6 +1,8 @@
-import { BaseUtils, isValidEd25519PublicKey } from '@bitgo/sdk-core';
 import TonWeb from 'tonweb';
-
+import { BN } from 'bn.js';
+import { BaseUtils, isValidEd25519PublicKey } from '@bitgo/sdk-core';
+import { VESTING_CONTRACT_CODE_B64 } from './constants';
+import { VestingContractParams } from './iface';
 export class Utils implements BaseUtils {
   /** @inheritdoc */
   isValidAddress(address: string): boolean {
@@ -85,6 +87,30 @@ export class Utils implements BaseUtils {
     const address = slice.loadAddress();
     return address.toString();
   }
+
+  async getVestingContractAddress(params: VestingContractParams): Promise<string> {
+    const cell = new TonWeb.boc.Cell();
+    cell.bits.writeUint(0, 32); //seq no
+    cell.bits.writeUint(params.subWalletId, 32);
+    cell.bits.writeBytes(TonWeb.utils.hexToBytes(params.publicKeyHex));
+    cell.bits.writeUint(0, 1); // empty whitelist
+    const vestingParamsCell = new TonWeb.boc.Cell();
+    vestingParamsCell.bits.writeUint(params.vestingStartTime, 64);
+    vestingParamsCell.bits.writeUint(params.vestingTotalDuration, 32);
+    vestingParamsCell.bits.writeUint(params.unlockPeriod, 32);
+    vestingParamsCell.bits.writeUint(params.cliffDuration, 32);
+    vestingParamsCell.bits.writeCoins(new BN(params.vestingTotalAmount.toString()));
+    const senderAddress = new TonWeb.Address(params.vestingSenderAddress);
+    vestingParamsCell.bits.writeAddress(senderAddress);
+    const ownerAddress = new TonWeb.Address(params.ownerAddress);
+    vestingParamsCell.bits.writeAddress(ownerAddress);
+    cell.refs.push(vestingParamsCell);
+    const contractCodeCell = TonWeb.boc.Cell.oneFromBoc(TonWeb.utils.base64ToBytes(VESTING_CONTRACT_CODE_B64));
+    const stateInit = TonWeb.Contract.createStateInit(contractCodeCell, cell);
+    const stateInitHash = await stateInit.hash();
+    const contractAddress = new TonWeb.Address('0:' + TonWeb.utils.bytesToHex(stateInitHash));
+    return contractAddress.toString(true, true, true);
+  }
 }
 
 const DUMMY_PRIVATE_KEY = '43e8594854cb53947c4a1a2fab926af11e123f6251dcd5bd0dfb100604186430'; // This dummy private key is used only for fee estimation

modules/sdk-coin-ton/test/unit/ton.ts

@@ -532,6 +532,22 @@ describe('TON:', function () {
           '0:d57b25093b1dc09d91962ed13497e571bfb73bb939c3f0e5ed08585a3be9ef6a'
         );
       });
+
+      it('should get valid vesting contract address', async function () {
+        const vestingParams = {
+          subWalletId: 698983191,
+          publicKeyHex: '71013394862995cfb527dea9cadcc84d66d1197d2a4454579b93a08223e4b309',
+          vestingStartTime: 1760999164,
+          vestingTotalDuration: 60 * 60 * 24 * 30,
+          unlockPeriod: 60 * 60 * 24,
+          cliffDuration: 60 * 60,
+          vestingTotalAmount: BigInt('400000000'),
+          vestingSenderAddress: '0QDOEyzC6KXiVh2Rco2bapH96Vn6lb9YWxgkTVWtq-9CXFtp',
+          ownerAddress: '0QDBrOgjQThbN7eWBHErRhrJQH3ApecGDtu3K11Lujjmx49Z',
+        };
+        const vestingContractAddress = await utils.getVestingContractAddress(vestingParams);
+        vestingContractAddress.should.equal('EQAjmgMbwU3WVK_pn2gj1XBG_NMvrkoT4earvs_C9Q6fs-SE');
+      });
     });
 
     describe('getAddress', function () {