zurgl workshop

package.json

@@ -25,6 +25,7 @@
   "dependencies": {
     "@metaplex-foundation/beet": "^0.4.0",
     "@metaplex-foundation/beet-solana": "^0.3.0",
+    "@solana/spl-token-registry": "^0.2.4574",
     "@solana/web3.js": "^1.47.3",
     "bn.js": "^5.2.1"
   }

src/step05.ts

@@ -0,0 +1,94 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+/* eslint-disable @typescript-eslint/ban-ts-comment */
+import {
+  Connection,
+  GetProgramAccountsFilter,
+  PublicKey,
+  clusterApiUrl,
+} from "@solana/web3.js";
+
+import { TokenAccountStruct } from "./structs/TokenAccount";
+import { MintAccountStruct } from "./structs/MintAccount";
+
+import { TokenListProvider } from "@solana/spl-token-registry";
+
+const myWallet = new PublicKey("664vpd2BcmQxeidfCa2a4R7r6dBxg5SgJcdecssZeazh");
+const tokenProgramId = new PublicKey(
+  "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA"
+);
+
+const connection = new Connection(clusterApiUrl("mainnet-beta"));
+
+async function getProgramAccounts() {
+  const filters: GetProgramAccountsFilter[] = [
+    {
+      dataSize: 165,
+    },
+    {
+      memcmp: {
+        bytes: myWallet.toString(),
+        offset: 32,
+      },
+    },
+  ];
+  const tokenAccounts = await connection.getProgramAccounts(tokenProgramId, {
+    filters,
+  });
+
+  const allOwnedMint = tokenAccounts
+    .map((tokenAccount) =>
+      TokenAccountStruct.read(tokenAccount.account.data, 0)
+    )
+    .map((data) => {
+      return {
+        mint: data.mint,
+        amount: data.amount,
+      };
+    });
+
+  // (use connection.getMultipleAccountsInfo)
+  // https://solana-labs.github.io/solana-web3.js/classes/Connection.html#getMultipleAccountsInfo
+  const mintsAccount = await connection.getMultipleAccountsInfo(
+    allOwnedMint.map((dt) => dt.mint)
+  );
+
+  // TODO: Decode mints accounts to get decimals
+  const mintsDecimals = mintsAccount
+    .flatMap((mintAccount) =>
+      mintAccount ? MintAccountStruct.read(mintAccount.data, 0) : []
+    )
+    .map((data) => {
+      return {
+        decimal: data.decimals,
+      };
+    });
+
+  // TODO: Divide token accounts amounts by 10 ** mintDecimal
+  const zip = (a, b) => a.map((k, i) => [k, b[i]]);
+
+  const rebaseBalance = (decimal: number, amount: number) => {
+    const balance = decimal === 0 ? amount : amount / 10 ** decimal;
+    return balance.toFixed(2);
+  };
+
+  // BONUS: convert mints to symbol
+  const tokenProvider = await new TokenListProvider().resolve();
+  const tokenList = tokenProvider.filterByClusterSlug("mainnet-beta").getList();
+
+  const getSymbol = (address: string) => {
+    return tokenList.filter((x) => x.address === address).map((x) => x.symbol);
+  };
+
+  // TODO: Display all your token amounts !
+  const result = zip(allOwnedMint, mintsDecimals).map((dt) => {
+    return {
+      mint: dt[0].mint.toBase58(),
+      symbol: getSymbol(dt[0].mint.toBase58()),
+      amount: rebaseBalance(dt[1].decimal, dt[0].amount.toNumber()),
+    };
+  });
+
+  console.log(result);
+}
+
+getProgramAccounts();

tsconfig.json

@@ -4,8 +4,6 @@
     "module": "commonjs",
     "moduleResolution": "node",
     "declaration": true,
-    "strict": true,
-    "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
     "strictNullChecks": true /* Enable strict null checks. */,
     "strictFunctionTypes": true /* Enable strict checking of function types. */,
     "noUnusedLocals": false /* Report errors on unused locals. */,
@@ -19,19 +17,9 @@
     "experimentalDecorators": true,
     "sourceMap": true,
     "outDir": "./dist/tsc/",
-    "types": [
-      "node"
-    ],
-    "lib": [
-      "ES6",
-      "DOM"
-    ]
+    "types": ["node"],
+    "lib": ["ES6", "DOM"]
   },
-  "include": [
-    "src/**/*.ts"
-  ],
-  "exclude": [
-    "node_modules",
-    "**/*.test.ts"
-  ]
+  "include": ["src/**/*.ts"],
+  "exclude": ["node_modules", "**/*.test.ts"]
 }

yarn.lock

@@ -143,6 +143,13 @@
   dependencies:
     buffer "~6.0.3"
 
+"@solana/spl-token-registry@^0.2.4574":
+  version "0.2.4574"
+  resolved "https://registry.yarnpkg.com/@solana/spl-token-registry/-/spl-token-registry-0.2.4574.tgz#13f4636b7bec90d2bb43bbbb83512cd90d2ce257"
+  integrity sha512-JzlfZmke8Rxug20VT/VpI2XsXlsqMlcORIUivF+Yucj7tFi7A0dXG7h+2UnD0WaZJw8BrUz2ABNkUnv89vbv1A==
+  dependencies:
+    cross-fetch "3.0.6"
+
 "@solana/web3.js@^1.44.0", "@solana/web3.js@^1.47.3":
   version "1.47.3"
   resolved "https://registry.yarnpkg.com/@solana/web3.js/-/web3.js-1.47.3.tgz#ec13f2cf4f9f54cc4fbd26d20be1e026c6e2279c"
@@ -590,6 +597,13 @@ create-require@^1.1.0:
   resolved "https://registry.yarnpkg.com/create-require/-/create-require-1.1.1.tgz#c1d7e8f1e5f6cfc9ff65f9cd352d37348756c333"
   integrity sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==
 
+cross-fetch@3.0.6:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-3.0.6.tgz#3a4040bc8941e653e0e9cf17f29ebcd177d3365c"
+  integrity sha512-KBPUbqgFjzWlVcURG+Svp9TlhA5uliYtiNx/0r8nv0pdypeQCRJ9IaSIc3q/x3q8t3F75cHuwxVql1HFGHCNJQ==
+  dependencies:
+    node-fetch "2.6.1"
+
 cross-spawn@^7.0.2:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.3.tgz#f73a85b9d5d41d045551c177e2882d4ac85728a6"
@@ -1318,6 +1332,11 @@ node-fetch@2:
   dependencies:
     whatwg-url "^5.0.0"
 
+node-fetch@2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"
+  integrity sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==
+
 node-gyp-build@^4.2.0, node-gyp-build@^4.3.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/node-gyp-build/-/node-gyp-build-4.5.0.tgz#7a64eefa0b21112f89f58379da128ac177f20e40"