deploy: POST /api/wallets + full swagger

apps/api/src/lib/address-validators.ts

@@ -0,0 +1,39 @@
+/**
+ * Chain-specific address format validators.
+ * НЕ заменяет реальную чеканку checksum — это первый barrier.
+ */
+import { ethers } from 'ethers';
+
+const BTC_RE = /^(bc1[a-zA-HJ-NP-Z0-9]{25,62}|[13][a-km-zA-HJ-NP-Z1-9]{25,34})$/;
+const TRX_RE = /^T[1-9A-HJ-NP-Za-km-z]{33}$/;
+const SOL_RE = /^[1-9A-HJ-NP-Za-km-z]{32,44}$/;
+
+export type ChainCode = 'ETH' | 'BTC' | 'SOL' | 'TRX' | 'BSC';
+
+export function isValidAddress(chain: ChainCode, address: string): boolean {
+  if (typeof address !== 'string' || address.length === 0 || address.length > 256) return false;
+
+  switch (chain) {
+    case 'BTC':
+      return BTC_RE.test(address);
+    case 'TRX':
+      return TRX_RE.test(address);
+    case 'ETH':
+    case 'BSC':
+      return ethers.utils.isAddress(address);
+    case 'SOL':
+      return SOL_RE.test(address);
+    default:
+      return false;
+  }
+}
+
+export function isValidAmount(amount: string): boolean {
+  if (typeof amount !== 'string' || amount.length === 0 || amount.length > 78) return false;
+  if (!/^\d+$/.test(amount)) return false;
+  try {
+    return BigInt(amount) > 0n;
+  } catch {
+    return false;
+  }
+}