fix: handle NEAR implicit accounts that don't exist on-chain

- Fix Ledger NEAR address derivation to return hex format (not ed25519:base58)
- Fix Ledger NEAR signature to return hex format (not bs58)
- Handle FailoverRpcProvider's "Exceeded N providers" error for unfunded accounts
- Update hdwallet to 1.62.35-near-chain.4

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

package.json

@@ -104,24 +104,24 @@
     "@shapeshiftoss/chain-adapters": "workspace:^",
     "@shapeshiftoss/contracts": "workspace:^",
     "@shapeshiftoss/errors": "workspace:^",
-    "@shapeshiftoss/hdwallet-coinbase": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-core": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-gridplus": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-keepkey": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-keepkey-webusb": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-keplr": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-ledger": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-ledger-webhid": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-ledger-webusb": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-metamask-multichain": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-native": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-native-vault": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-phantom": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-trezor": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-trezor-connect": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-vultisig": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-walletconnect": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-walletconnectv2": "1.62.35-near-chain.3",
+    "@shapeshiftoss/hdwallet-coinbase": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-core": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-gridplus": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-keepkey": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-keepkey-webusb": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-keplr": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-ledger": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-ledger-webhid": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-ledger-webusb": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-metamask-multichain": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-native": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-native-vault": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-phantom": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-trezor": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-trezor-connect": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-vultisig": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-walletconnect": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-walletconnectv2": "1.62.35-near-chain.4",
     "@shapeshiftoss/swapper": "workspace:^",
     "@shapeshiftoss/types": "workspace:^",
     "@shapeshiftoss/unchained-client": "workspace:^",

packages/chain-adapters/package.json

@@ -35,8 +35,8 @@
     "@near-js/transactions": "^2.5.1",
     "@near-js/utils": "^2.5.1",
     "@shapeshiftoss/caip": "workspace:^",
-    "@shapeshiftoss/hdwallet-core": "1.62.35-near-chain.3",
-    "@shapeshiftoss/hdwallet-ledger": "1.62.35-near-chain.3",
+    "@shapeshiftoss/hdwallet-core": "1.62.35-near-chain.4",
+    "@shapeshiftoss/hdwallet-ledger": "1.62.35-near-chain.4",
     "@shapeshiftoss/types": "workspace:^",
     "@shapeshiftoss/unchained-client": "workspace:^",
     "@shapeshiftoss/utils": "workspace:^",

packages/chain-adapters/src/near/NearChainAdapter.ts

@@ -273,7 +273,18 @@ export class ChainAdapter implements IChainAdapter<KnownChainIds.NearMainnet> {
       }
     } catch (err) {
       const errorMessage = err instanceof Error ? err.message : String(err)
-      if (errorMessage.includes('does not exist') || errorMessage.includes('UNKNOWN_ACCOUNT')) {
+      const errorType = (err as { type?: string }).type
+
+      // Handle non-existent accounts (implicit accounts that haven't received funds yet)
+      // FailoverRpcProvider wraps errors: when all providers fail with "account doesn't exist",
+      // it throws "Exceeded N providers" with type "RetriesExceeded" - original error is lost
+      if (
+        errorMessage.includes("doesn't exist") ||
+        errorMessage.includes('does not exist') ||
+        errorMessage.includes('UNKNOWN_ACCOUNT') ||
+        errorMessage.includes('Exceeded') ||
+        errorType === 'RetriesExceeded'
+      ) {
         return {
           balance: '0',
           chainId: this.chainId,

packages/swapper/package.json

@@ -39,7 +39,7 @@
     "@shapeshiftoss/caip": "workspace:^",
     "@shapeshiftoss/chain-adapters": "workspace:^",
     "@shapeshiftoss/contracts": "workspace:^",
-    "@shapeshiftoss/hdwallet-core": "1.62.35-near-chain.3",
+    "@shapeshiftoss/hdwallet-core": "1.62.35-near-chain.4",
     "@shapeshiftoss/types": "workspace:^",
     "@shapeshiftoss/unchained-client": "workspace:^",
     "@shapeshiftoss/utils": "workspace:^",