message: Use cosmWasmClient.getAccount in BCP
diff: @@ -154,12 +154,9 @@ export class CosmWasmConnection implements BlockchainConnection {
  public async getAccount(query: AccountQuery): Promise<Account | undefined> {
  const address = isPubkeyQuery(query) ? pubkeyToAddress(query.pubkey, this.addressPrefix) : query.address;
  - // tslint:disable-next-line: deprecation
  - const { result } = await this.restClient.authAccounts(address);
  - const bankAccount = result.value;
  - const hasBankAccount = !!bankAccount.address;
  + const bankAccount = await this.cosmWasmClient.getAccount(address);
  - const supportedBankCoins = bankAccount.coins.filter(({ denom }) =>
  + const supportedBankCoins = (bankAccount?.coins || []).filter(({ denom }) =>
  this.bankTokens.find(token => token.denom === denom),
  );
  const erc20Amounts = await Promise.all(
  @@ -179,14 +176,14 @@ export class CosmWasmConnection implements BlockchainConnection {
  );
  const nonZeroErc20Amounts = erc20Amounts.filter(amount => amount.quantity !== "0");
  - if (!hasBankAccount && nonZeroErc20Amounts.length === 0) {
  + if (!bankAccount && nonZeroErc20Amounts.length === 0) {
  return undefined;
  } else {
  const balance = [
  ...supportedBankCoins.map(coin => decodeAmount(this.bankTokens, coin)),
  ...nonZeroErc20Amounts,
  ].sort((a, b) => a.tokenTicker.localeCompare(b.tokenTicker));
  - const pubkey = !bankAccount.public_key ? undefined : decodeCosmosPubkey(bankAccount.public_key);
  + const pubkey = bankAccount?.public_key ? decodeCosmosPubkey(bankAccount.public_key) : undefined;
  return {
  address: address,
  balance: balance,
  