Make ERC20s non-optional in parseMsg

packages/bcp/src/decode.spec.ts

@@ -158,7 +158,9 @@ describe("decode", () => {
           ],
         },
       };
-      expect(parseMsg(msg, defaultMemo, testdata.chainId, defaultTokens)).toEqual(defaultSendTransaction);
+      expect(parseMsg(msg, defaultMemo, testdata.chainId, defaultTokens, defaultErc20Tokens)).toEqual(
+        defaultSendTransaction,
+      );
     });
 
     it("works for ERC20 send transaction", () => {

packages/bcp/src/decode.ts

@@ -77,7 +77,7 @@ export function parseMsg(
   memo: string | undefined,
   chainId: ChainId,
   tokens: BankTokens,
-  erc20Tokens: readonly Erc20Token[] = [],
+  erc20Tokens: readonly Erc20Token[],
 ): UnsignedTransaction {
   if (types.isMsgSend(msg)) {
     if (msg.value.amount.length !== 1) {

packages/bcp/types/decode.d.ts

@@ -24,7 +24,7 @@ export declare function parseMsg(
   memo: string | undefined,
   chainId: ChainId,
   tokens: BankTokens,
-  erc20Tokens?: readonly Erc20Token[],
+  erc20Tokens: readonly Erc20Token[],
 ): UnsignedTransaction;
 export declare function parseFee(fee: types.StdFee, tokens: BankTokens): Fee;
 export declare function parseUnsignedTx(