Exemplo n.º 1
0
void fsm_msgGetAddress(GetAddress *msg)
{
	RESP_INIT(Address);

	if (!protectPin(true)) {
		layoutHome();
		return;
	}

	const CoinType *coin = fsm_getCoin(msg->coin_name);
	if (!coin) return;
	const HDNode *node = fsm_getDerivedNode(msg->address_n, msg->address_n_count);
	if (!node) return;

	if (msg->has_multisig) {
		layoutProgressSwipe("Preparing", 0);
		if (cryptoMultisigPubkeyIndex(&(msg->multisig), node->public_key) < 0) {
			fsm_sendFailure(FailureType_Failure_Other, "Pubkey not found in multisig script");
			layoutHome();
			return;
		}
		uint8_t buf[32];
		if (compile_script_multisig_hash(&(msg->multisig), buf) == 0) {
			fsm_sendFailure(FailureType_Failure_Other, "Invalid multisig script");
			layoutHome();
			return;
		}
		ripemd160(buf, 32, buf + 1);
		buf[0] = coin->address_type_p2sh; // multisig cointype
		base58_encode_check(buf, 21, resp->address, sizeof(resp->address));
	} else {
		ecdsa_get_address(node->public_key, coin->address_type, resp->address, sizeof(resp->address));
	}

	if (msg->has_show_display && msg->show_display) {
		char desc[16];
		if (msg->has_multisig) {
			strlcpy(desc, "Msig __ of __:", sizeof(desc));
			const uint32_t m = msg->multisig.m;
			const uint32_t n = msg->multisig.pubkeys_count;
			desc[5] = (m < 10) ? ' ': ('0' + (m / 10));
			desc[6] = '0' + (m % 10);
			desc[11] = (n < 10) ? ' ': ('0' + (n / 10));
			desc[12] = '0' + (n % 10);
		} else {
			strlcpy(desc, "Address:", sizeof(desc));
		}
		layoutAddress(resp->address, desc);
		if (!protectButton(ButtonRequestType_ButtonRequest_Address, true)) {
			fsm_sendFailure(FailureType_Failure_ActionCancelled, "Show address cancelled");
			layoutHome();
			return;
		}
	}

	msg_write(MessageType_MessageType_Address, resp);
	layoutHome();
}
Exemplo n.º 2
0
void fsm_msgGetAddress(GetAddress *msg)
{
    RESP_INIT(Address);

    if (!storage_is_initialized()) 
    {
        fsm_sendFailure(FailureType_Failure_NotInitialized, "Device not initialized");
        return;
    }

    if(!pin_protect_cached())
    {
        go_home();
        return;
    }

    const CoinType *coin = fsm_getCoin(msg->coin_name);

    if(!coin) { return; }

    const HDNode *node = fsm_getDerivedNode(msg->address_n, msg->address_n_count);

    if(!node) { return; }

    if(msg->has_multisig)
    {

        if(cryptoMultisigPubkeyIndex(&(msg->multisig), node->public_key) < 0)
        {
            fsm_sendFailure(FailureType_Failure_Other,
                            "Pubkey not found in multisig script");
            go_home();
            return;
        }

        uint8_t buf[32];

        if(compile_script_multisig_hash(&(msg->multisig), buf) == 0)
        {
            fsm_sendFailure(FailureType_Failure_Other, "Invalid multisig script");
            go_home();
            return;
        }

        ripemd160(buf, 32, buf + 1);
        buf[0] = coin->address_type_p2sh; // multisig cointype
        base58_encode_check(buf, 21, resp->address, sizeof(resp->address));
    }
    else
    {
        ecdsa_get_address(node->public_key, coin->address_type, resp->address,
                          sizeof(resp->address));
    }

    if(msg->has_show_display && msg->show_display)
    {
        char desc[MEDIUM_STR_BUF] = "";

        if(msg->has_multisig)
        {
            const uint32_t m = msg->multisig.m;
            const uint32_t n = msg->multisig.pubkeys_count;

            /* snprintf: 22 + 10 (%lu) + 10 (%lu) + 1 (NULL) = 43 */
            snprintf(desc, MEDIUM_STR_BUF, "(Multi-Signature %lu of %lu)", (unsigned long)m,
                     (unsigned long)n);
        }

        if(!confirm_address(desc, resp->address))
        {
            fsm_sendFailure(FailureType_Failure_ActionCancelled, "Show address cancelled");
            go_home();
            return;
        }
    }

    msg_write(MessageType_MessageType_Address, resp);
    go_home();
}