message: Test upper case and mixed case bech32 addresses
diff: @@ -52,6 +52,15 @@ describe("bech32", () => {
  });
  });
  + it("works for upper case address", () => {
  + // "For presentation, lowercase is usually preferable, but inside QR codes uppercase SHOULD be used, as those permit the use of alphanumeric mode, which is 45% more compact than the normal byte mode."
  + // https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki
  + expect(fromBech32("ETH1N48G2MJH9EZZ7ZJTYA37WTGG5R5EMR0DRKWLGW")).toEqual({
  + prefix: "eth",
  + data: ethAddressRaw,
  + });
  + });
  +
  it("works for addresses which exceed the specification limit of 90 characters", () => {
  // Example from https://github.com/cosmos/cosmos-sdk/pull/6237#issuecomment-658116534
  expect(() =>
  @@ -70,5 +79,14 @@ describe("bech32", () => {
  ),
  ).toThrowError(/exceeds length limit/i);
  });
  +
  + it("throws for mixed case addresses", () => {
  + // "Decoders MUST NOT accept strings where some characters are uppercase and some are lowercase (such strings are referred to as mixed case strings)."
  + // https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki
  + expect(() => fromBech32("Eth1n48g2mjh9ezz7zjtya37wtgg5r5emr0drkwlgw")).toThrowError(/Mixed-case/i);
  + expect(() => fromBech32("eTh1n48g2mjh9ezz7zjtya37wtgg5r5emr0drkwlgw")).toThrowError(/Mixed-case/i);
  + expect(() => fromBech32("ETH1n48g2mjh9ezz7zjtya37wtgg5r5emr0drkwlgw")).toThrowError(/Mixed-case/i);
  + expect(() => fromBech32("eth1n48g2mjh9Ezz7zjtya37wtgg5r5emr0drkwlgw")).toThrowError(/Mixed-case/i);
  + });
  });
  });
  