Merge pull request solana-labs#100 from jarry-xiao/gummyshop

Sugar Shack Contract, Test + SDK
ngundotra · Jun 27, 2022 · 6092366 · 6092366
2 parents f6a8873 + 7ed1807
commit 6092366
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diff --git a/contracts/sdk/gummyroll/index.ts b/contracts/sdk/gummyroll/index.ts
@@ -2,6 +2,7 @@ import { PublicKey } from '@solana/web3.js';
 export * from './instructions';
 export * from './accounts';
 export * from './types';
+export * from './utils';
 
 /**
  * Program address

diff --git a/contracts/sdk/gummyroll/utils/index.ts b/contracts/sdk/gummyroll/utils/index.ts
@@ -0,0 +1,20 @@
+import {
+    decodeMerkleRoll,
+    getMerkleRollAccountSize,
+} from "../accounts";
+import {
+    PublicKey,
+    Keypair,
+    SystemProgram,
+    Transaction,
+    Connection as web3Connection,
+    LAMPORTS_PER_SOL,
+    Connection,
+  } from "@solana/web3.js";
+
+export async function getRootOfOnChainMerkleRoot(connection: Connection, merkleRollAccountKey: PublicKey): Promise<Buffer> {
+    const merkleRootAcct = await connection.getAccountInfo(merkleRollAccountKey);
+    const merkleRoll = decodeMerkleRoll(merkleRootAcct.data);
+    return merkleRoll.roll.changeLogs[merkleRoll.roll.activeIndex].root.toBuffer();
+}
+