Промежуточный коммит: состояние до нормальной Solana-first регистрации

shine-UI/js/services/solana-register-service.js

@@ -7,6 +7,7 @@ import {
 } from '../solana-programs.js';
 
 const CREATE_USER_PDA_DISCRIMINATOR = new Uint8Array([139, 157, 13, 41, 142, 174, 226, 214]);
+const CLASSIFY_LOGIN_DISCRIMINATOR = new Uint8Array([118, 253, 204, 124, 22, 232, 235, 32]);
 const ED25519_PROGRAM_ID = 'Ed25519SigVerify111111111111111111111111111';
 const SYSVAR_INSTRUCTIONS_ID = 'Sysvar1nstructions1111111111111111111111111';
 
@@ -183,6 +184,49 @@ function serializeCreateUserPdaArgs(
   return b.result();
 }
 
+function serializeClassifyLoginArgs(login) {
+  const b = new BorshBuf();
+  b.raw(CLASSIFY_LOGIN_DISCRIMINATOR);
+  b.str(String(login || ''));
+  return b.result();
+}
+
+function decodeU32FromB64(rawB64) {
+  const bytes = Uint8Array.from(atob(rawB64), (ch) => ch.charCodeAt(0));
+  if (bytes.length < 4) throw new Error('LOGIN_GUARD_BAD_RETURN_DATA');
+  return new DataView(bytes.buffer, bytes.byteOffset, bytes.byteLength).getUint32(0, true);
+}
+
+export async function precheckLoginClassOnSolana({ login, solanaEndpoint }) {
+  const solana = await loadSolanaLib();
+  const connection = new solana.Connection(String(solanaEndpoint || ''), 'confirmed');
+  const loginGuardProgram = new solana.PublicKey(SHINE_LOGIN_GUARD_PROGRAM_ID);
+  const signer = solana.Keypair.generate();
+  const ix = new solana.TransactionInstruction({
+    programId: loginGuardProgram,
+    keys: [{ pubkey: signer.publicKey, isSigner: true, isWritable: false }],
+    data: serializeClassifyLoginArgs(String(login || '').toLowerCase()),
+  });
+  const tx = new solana.Transaction().add(ix);
+  tx.feePayer = signer.publicKey;
+  tx.recentBlockhash = (await connection.getLatestBlockhash('confirmed')).blockhash;
+  tx.sign(signer);
+
+  const sim = await connection.simulateTransaction(tx, { commitment: 'confirmed', sigVerify: true });
+  if (sim?.value?.err) {
+    throw new Error(`LOGIN_GUARD_SIMULATION_FAILED: ${JSON.stringify(sim.value.err)}`);
+  }
+  const returnData = sim?.value?.returnData;
+  if (!returnData || returnData.programId !== SHINE_LOGIN_GUARD_PROGRAM_ID) {
+    throw new Error('LOGIN_GUARD_BAD_RETURN_DATA');
+  }
+  const classValue = decodeU32FromB64(returnData.data?.[0] || '');
+  if (classValue === 0) return { classCode: 0, className: 'free' };
+  if (classValue === 1) return { classCode: 1, className: 'premium' };
+  if (classValue === 2) return { classCode: 2, className: 'company' };
+  return { classCode: classValue, className: 'unknown' };
+}
+
 export async function registerUserOnSolana({ login, keyBundle, solanaEndpoint }) {
   const solana = await loadSolanaLib();
   const connection = new solana.Connection(String(solanaEndpoint || ''), 'confirmed');
@@ -249,12 +293,12 @@ export async function registerUserOnSolana({ login, keyBundle, solanaEndpoint })
   const ed25519RootIx = new solana.TransactionInstruction({
     programId: ed25519Program,
     keys: [],
-    data: Buffer.from(buildEd25519IxData(rootSig64, rootKey32, unsignedHash)),
+    data: buildEd25519IxData(rootSig64, rootKey32, unsignedHash),
   });
   const ed25519BchIx = new solana.TransactionInstruction({
     programId: ed25519Program,
     keys: [],
-    data: Buffer.from(buildEd25519IxData(lastBlockSig64, blockchainKey32, lbsHash)),
+    data: buildEd25519IxData(lastBlockSig64, blockchainKey32, lbsHash),
   });
   const createUserIx = new solana.TransactionInstruction({
     programId: usersProgram,
@@ -267,7 +311,7 @@ export async function registerUserOnSolana({ login, keyBundle, solanaEndpoint })
       { pubkey: economyConfigPda, isSigner: false, isWritable: false },
       { pubkey: loginGuardProgram, isSigner: false, isWritable: false },
     ],
-    data: Buffer.from(ixData),
+    data: ixData,
   });
 
   const sig = await solana.sendAndConfirmTransaction(