Feat/create with pda

CHANGELOG.md

@@ -19,6 +19,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Security
 
+## @mercurial-finance/vault-sdk [2.0.2] - PR [#127](https://github.com/mercurial-finance/vault-sdk/pull/127)
+
+### Added
+
+- `createWithPda` function
+
 ## @mercurial-finance/vault-sdk [2.0.1] - PR [#126](https://github.com/mercurial-finance/vault-sdk/pull/126)
 
 ### Fixed

ts-client/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@mercurial-finance/vault-sdk",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "description": "Mercurial Vault SDK is a typescript library that allows you to interact with Mercurial v2's vault.",
   "main": "dist/cjs/index.js",
   "module": "dist/esm/index.js",

ts-client/src/vault/index.ts

@@ -344,6 +344,40 @@ export default class VaultImpl implements VaultImplementation {
     );
   }
 
+  public static async createWithPda(
+    connection: Connection,
+    pdaInfo: PdaInfo,
+    opt?: {
+      seedBaseKey?: PublicKey;
+      allowOwnerOffCurve?: boolean;
+      cluster?: Cluster;
+      programId?: string;
+      affiliateId?: PublicKey;
+      affiliateProgramId?: string;
+    },
+  ): Promise<VaultImpl> {
+    const provider = new AnchorProvider(connection, {} as any, AnchorProvider.defaultOptions());
+    const program = new Program<VaultIdl>(IDL as VaultIdl, opt?.programId || PROGRAM_ID, provider);
+
+    const { vaultPda, tokenVaultPda, lpMintPda, vaultState, lpSupply } = await getVaultStateByPda(pdaInfo, program);
+    const tokenMint = await getMint(connection, pdaInfo.tokenAddress);
+    return new VaultImpl(
+      program,
+      { tokenMint, vaultPda, tokenVaultPda, vaultState, lpSupply, lpMintPda },
+      {
+        ...opt,
+        affiliateId: opt?.affiliateId,
+        affiliateProgram: opt?.affiliateId
+          ? new Program<AffiliateVaultIdl>(
+              AffiliateIDL as AffiliateVaultIdl,
+              opt?.affiliateProgramId || AFFILIATE_PROGRAM_ID,
+              provider,
+            )
+          : undefined,
+      },
+    );
+  }
+
   public async getUserBalance(owner: PublicKey): Promise<BN> {
     const isAffiliated = this.affiliateId && this.affiliateProgram;
 

ts-client/src/vault/utils/index.ts

@@ -70,16 +70,16 @@ export const getVaultPdas = (tokenMint: PublicKey, programId: PublicKey, seedBas
     programId,
   );
 
-  const tokenVault = PublicKey.findProgramAddressSync(
+  const [tokenVault] = PublicKey.findProgramAddressSync(
     [Buffer.from(SEEDS.TOKEN_VAULT_PREFIX), vault.toBuffer()],
     programId,
   );
-  const lpMint = PublicKey.findProgramAddressSync([Buffer.from(SEEDS.LP_MINT_PREFIX), vault.toBuffer()], programId);
+  const [lpMint] = PublicKey.findProgramAddressSync([Buffer.from(SEEDS.LP_MINT_PREFIX), vault.toBuffer()], programId);
 
   return {
     vaultPda: vault,
-    tokenVaultPda: tokenVault[0],
-    lpMintPda: lpMint[0],
+    tokenVaultPda: tokenVault,
+    lpMintPda: lpMint,
   };
 };