add entry and view function examples (#144)

templates/boilerplate-template/frontend/entry-functions/transferAPT.ts

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+import { InputTransactionData } from "@aptos-labs/wallet-adapter-react";
+
+export type TransferAPTArguments = {
+  to: string; // the account address to transfer the APT to
+  amount: number; // the APT amount to transfer
+};
+
+export const trasnferAPT = (args: TransferAPTArguments): InputTransactionData => {
+  const { to, amount } = args;
+  return {
+    data: {
+      function: "0x1::aptos_account::transfer",
+      functionArguments: [to, amount],
+    },
+  };
+};

templates/boilerplate-template/frontend/view-functions/accountBalance.ts

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+import { aptosClient } from "@/utils/aptosClient";
+
+export type AccountAPTBalanceArguments = {
+  accountAddress: string;
+};
+
+export const accountAPTBalance = async (args: AccountAPTBalanceArguments): Promise<number> => {
+  const { accountAddress } = args;
+  const balance = await aptosClient().view<[number]>({
+    payload: {
+      function: "0x1::coin::balance",
+      typeArguments: ["0x1::aptos_coin::AptosCoin"],
+      functionArguments: [accountAddress],
+    },
+  });
+  return balance[0];
+};