@Test
public void extensions() throws Exception {
myWallet.addExtension(new FooWalletExtension("com.whatever.required", true));
Protos.Wallet proto = new WalletProtobufSerializer().walletToProto(myWallet);
// Initial extension is mandatory: try to read it back into a wallet that doesn't know about it.
try {
new WalletProtobufSerializer().readWallet(params, null, proto);
fail();
} catch (UnreadableWalletException e) {
assertTrue(e.getMessage().contains("mandatory"));
}
Wallet wallet =
new WalletProtobufSerializer()
.readWallet(
params,
new WalletExtension[] {new FooWalletExtension("com.whatever.required", true)},
proto);
assertTrue(wallet.getExtensions().containsKey("com.whatever.required"));
// Non-mandatory extensions are ignored if the wallet doesn't know how to read them.
Wallet wallet2 = new Wallet(params);
wallet2.addExtension(new FooWalletExtension("com.whatever.optional", false));
Protos.Wallet proto2 = new WalletProtobufSerializer().walletToProto(wallet2);
Wallet wallet5 = new WalletProtobufSerializer().readWallet(params, null, proto2);
assertEquals(0, wallet5.getExtensions().size());
}
@Test
public void extensionsWithError() throws Exception {
WalletExtension extension =
new WalletExtension() {
@Override
public String getWalletExtensionID() {
return "test";
}
@Override
public boolean isWalletExtensionMandatory() {
return false;
}
@Override
public byte[] serializeWalletExtension() {
return new byte[0];
}
@Override
public void deserializeWalletExtension(Wallet containingWallet, byte[] data)
throws Exception {
throw new NullPointerException(); // Something went wrong!
}
};
myWallet.addExtension(extension);
Protos.Wallet proto = new WalletProtobufSerializer().walletToProto(myWallet);
Wallet wallet =
new WalletProtobufSerializer().readWallet(params, new WalletExtension[] {extension}, proto);
assertEquals(0, wallet.getExtensions().size());
}