sdk38: Use BlockHeader type from lcdapi base in staking extension

packages/sdk38/src/lcdapi/base.ts

@@ -63,7 +63,7 @@ interface BlockId {
   // }
 }
 
-interface BlockHeader {
+export interface BlockHeader {
   readonly version: {
     readonly block: string;
     readonly app: string;

packages/sdk38/src/lcdapi/staking.ts

@@ -1,7 +1,6 @@
 /* eslint-disable @typescript-eslint/naming-convention */
 import { Coin } from "../coins";
-import { BlockHeader } from "../cosmosclient";
-import { SearchTxsResponse } from "./base";
+import { BlockHeader, SearchTxsResponse } from "./base";
 import { LcdClient } from "./lcdclient";
 
 interface Validator {

packages/sdk38/types/lcdapi/base.d.ts

@@ -50,7 +50,7 @@ export interface NodeInfoResponse {
 interface BlockId {
   readonly hash: string;
 }
-interface BlockHeader {
+export interface BlockHeader {
   readonly version: {
     readonly block: string;
     readonly app: string;

packages/sdk38/types/lcdapi/staking.d.ts

@@ -1,6 +1,5 @@
 import { Coin } from "../coins";
-import { BlockHeader } from "../cosmosclient";
-import { SearchTxsResponse } from "./base";
+import { BlockHeader, SearchTxsResponse } from "./base";
 import { LcdClient } from "./lcdclient";
 interface Validator {
   readonly operator_address: string;