feat: getMetdataByOwnerV2

metaplex-foundation · Sep 23, 2021 · 64add73 · 64add73
1 parent 8a415b9
commit 64add73
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Showing 2 changed files with 43 additions and 3 deletions.
diff --git a/api/src/programs/metadata/accounts/Metadata.ts b/api/src/programs/metadata/accounts/Metadata.ts
@@ -140,6 +140,29 @@ export class Metadata extends Account<MetadataData> {
     ).map((account) => Metadata.from(account));
   }
 
+  static async getByMint(connection: Connection, mint: AnyPublicKey) {
+    return (
+      await MetadataProgram.getProgramAccounts(connection, {
+        filters: [
+          // Filter for MetadataV1 by key
+          {
+            memcmp: {
+              offset: 0,
+              bytes: bs58.encode(Buffer.from([MetadataKey.MetadataV1])),
+            },
+          },
+          // Filter for assigned to mint
+          {
+            memcmp: {
+              offset: 33,
+              bytes: new PublicKey(mint).toBase58(),
+            },
+          },
+        ],
+      })
+    ).map((account) => Metadata.from(account));
+  }
+
   static async getMetdataByOwner(connection: Connection, owner: AnyPublicKey) {
     const accounts = await TokenAccount.getTokenAccountsByOwner(connection, owner);
     const accountMap = new Map(accounts.map(({ data }) => [data.mint.toString(), data]));
@@ -152,6 +175,18 @@ export class Metadata extends Account<MetadataData> {
     );
   }
 
+  // TODO: lol
+  static async getMetdataByOwnerV2(connection: Connection, owner: AnyPublicKey) {
+    const accounts = await TokenAccount.getTokenAccountsByOwner(connection, owner);
+    const accountsWithAmount = accounts
+      .map(({ data }) => data)
+      .filter(({ amount }) => amount?.toNumber() > 0);
+
+    return (
+      await Promise.all(accountsWithAmount.map(({ mint }) => Metadata.getByMint(connection, mint)))
+    ).flat();
+  }
+
   async getEdition(connection: Connection) {
     const mint = this.data?.mint;
     if (!mint) return;

diff --git a/examples/node/index.ts b/examples/node/index.ts
@@ -14,10 +14,15 @@ const connection = new Connection('devnet');
 
 const run = async () => {
   // TODO: just waiting for layer service with combine
-  console.time('ownedMetadata');
-  const ownedMetadata = await Metadata.getMetdataByOwner(connection, payer.publicKey);
+  // console.time('ownedMetadata');
+  // const ownedMetadata = await Metadata.getMetdataByOwner(connection, payer.publicKey);
+  // console.log(ownedMetadata);
+  // console.timeEnd('ownedMetadata');
+
+  console.time('ownedMetadata v2');
+  const ownedMetadata = await Metadata.getMetdataByOwnerV2(connection, payer.publicKey);
   console.log(ownedMetadata);
-  console.timeEnd('ownedMetadata');
+  console.timeEnd('ownedMetadata v2');
 
   const metadata = await Metadata.load(connection, metadataPubkey);
   console.log(metadata);