Fix import statements without file extension

src/utils/errors.ts

@@ -13,7 +13,7 @@ import { defineProperties } from './properties.js';
 import type { TransactionRequest, TransactionReceipt, TransactionResponse } from '../providers/index.js';
 
 import type { FetchRequest, FetchResponse } from './fetch.js';
-import { ExternalTransactionResponse } from '../providers/provider';
+import { ExternalTransactionResponse } from '../providers/provider.js';
 
 /**
  * An error may contain additional properties, but those must not conflict with any implicit properties.

src/wallet/payment-codes.ts

@@ -1,10 +1,10 @@
+import { BIP32API, BIP32Interface, HDNodeBIP32Adapter } from './bip32/types.js';
 import { sha256 } from '@noble/hashes/sha256';
 import { keccak256 } from '../crypto/index.js';
 import { getBytes, hexlify } from '../utils/data.js';
 import { getAddress } from '../address/address.js';
 import { bs58check } from './bip32/crypto.js';
-import { HDNodeBIP32Adapter } from './bip32/types.js';
-import type { TinySecp256k1Interface, BIP32API, BIP32Interface } from './bip32/types.js';
+import type { TinySecp256k1Interface } from './bip32/types.js';
 import { secp256k1 } from '@noble/curves/secp256k1';
 
 export const PC_VERSION = 0x47;