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🏦 Anyl Embedded Wallet for Internet of Things

License: Apache License 2.0

C 83.07% Shell 2.27% CMake 5.91% Python 7.19% Dockerfile 1.56%

blockchain crypto cryptocurrency iot wallet

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lorepieri8 pcppcp wilkwilq treland vishav26 wonjongshin devtodev victor999 mohitkagnihotri mislavn randomshinichi lab420 joegana gettyio ecoent art-aaaa

anyl-wallet's Issues

macOS compilation error: <endian.h> file not found

This file isn't found when compiling under macOS. To compile under macOS, you need to modify the include in helpers/rlp_encoder.c to read:

#include <machine/endian.h>

Would this still be valid under Linux?

Wrong use of sizeof

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/main.c#L83

Function nrf_crypto_ecc_public_key_to_raw expects pointer to variable with size not size itself

OS: zephyr compilation

Make the code compilable using Zephyr OS build system.

Notes:

The code should still compile as a standalone x86 build.
currentmain.c can be removed

[META] v3.0

Rough overview of features/requirements for v3.0:

zephyr OS integration
- read some real world data from a hw sensor
- (optional) BLE connectivity
ethereum
- transaction encoding and signing
- (optional) eth node CoAP proxy (for the demo we will use HTTP)
- web3-compatible library
transport layer
- ~~(easiest) CoAP over serial interface / console - requires a script on the other side (gateway)~~
- ~~(possible) PPP (serial port) networking~~
- (best) BLE 6LoWPAN ✓
gateway
- leshan
  - device status
- ethereum service
visualize data stored on chain
- script that returns a formatted list of transactions for a given address

CI: prepare a gcc docker image for circleCI

Problem:
We are using CircleCI for the pull requests CI. However, CircleCI doesn't provide an image with all the required tools installed.
For now the setup uses CircleCI's python3.6 image, plus a script that installs C related dependencies.
What's wrong? Python image is too big (it includes browsers and node.js and whatnot), and dependencies must be installed for every run.

create a docker setup using basic CircleCI's ubuntu image
install dependencies to it
make sure the image can be used by the CircleCI runs (PR's CI has to pass anyway)
there should be a method to repeatedly rebuild the image (in case we want to update the base system or install additional tools)

resources:
https://circleci.com/docs/2.0/custom-images/

wrong data type

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/main.c#L93

this variable will be used in keccak256(). Function expects to have size as uint16_t

Could NOT find Threads (missing: Threads_FOUND)

Hi,
I am new here and I am trying to setup the environment for the build. I am getting this error:
CMake Error at /usr/share/cmake-3.10/Modules/FindPackageHandleStandardArgs.cmake:137 (message):
Could NOT find Threads (missing: Threads_FOUND)
Call Stack (most recent call first):
/usr/share/cmake-3.10/Modules/FindPackageHandleStandardArgs.cmake:378 (_FPHSA_FAILURE_MESSAGE)
/usr/share/cmake-3.10/Modules/FindThreads.cmake:205 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
tests/CMakeLists.txt:3 (find_package)

I have successfully installed pthreads using this command:
sudo apt-get install libpthread-stubs0-dev

But still I am getting this error. Can someone help me here please?

Regards
Vishav

testing: transaction encoding and signing

Create tests for the eth/transaction.h module.

The tests should initialize transaction_t data structure, call tx_encode() and compare the output with a known signed transaction.

Also see: test_tx

Test data generator (Python3)

from eth_account.internal.transactions import UnsignedTransaction, Transaction
from eth_utils import decode_hex, encode_hex, to_checksum_address
from coincurve import PrivateKey
import rlp
tx = UnsignedTransaction(1, 1, 300, decode_hex(to_checksum_address('0x7e5f4552091a69125d5dfcb7b8c2659029395bdf')), 1, b'')
print("unsigned: " + encode_hex(rlp.encode(tx)))
# sign (for key 000.00001)
k = PrivateKey.from_hex(31*'00' + '01')
sign = k.sign_recoverable(rlp.encode(tx))
(r, s, v) = int.from_bytes(sign[:32], byteorder='big'), int.from_bytes(sign[32:64], byteorder='big'), sign[64]
signed_tx = Transaction(*tx.as_dict().values(), r, s, v)
print("signed: " + encode_hex(rlp.encode(signed_tx)))

DEMO: send sensor data to leshan

Depends on #79

lwm2m service sends data obtained from the sensor to an appropriate SENSOR object (i.e. in case of temperature it's 3303/0)

Name of array is alredy a pointer (more the same bugs at once)

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L34

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L39

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L44

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L50

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L56

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L62

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L69

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L75

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L81

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L100

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L110

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L128
Getting address here with & is not necessary

Write a tutorial to import the project into Eclipse IDE

DEMO: account management

Basic utilities to demo that ethereum connectivity works. This applies to the wallet shell submodule.

set private key (pk)
update the account nonce & balance from the eth node (sync)
display account details (info)
generate a plain transaction that transfers X ether to a destination address (transfer)
maintain list of a last N transaction hashes and display count of confirmations on request (txs)
query current block info from the node (block)

eth module: `privkey_to_address()`

Create function
int privkey_to_address(const privkey_t *pk, address_t *out)

Params:

const privkey_t *pk - private key
address_t *out - address of the supplied private key

Return value:

0 - success
-1 - error

eth module: `eth_encode_tx()`

Create function
int eth_encode_tx(const transaction_t *tx, uint8_t *result, size_t *result_size)

Params:

transaction_t tx - description of a transaction
uint8_t *result - buffer that will contain RLP encoded transaction. The buffer must be allocated by the user
size_t *result_size - size of the supplied buffer. On success, encoded transaction length will be set by the call.

Return value:

0 - success
-1 - error

Evaluate available COAP libraries

Ideal candidate should be:

no (minimal) 3rd party dependencies
actively maintained
compileable for both x86 and embedded targets
support full RESTful client capabilities
open source ;)

there's a nice list of implementations on Wikipedia
https://en.wikipedia.org/wiki/Constrained_Application_Protocol

Missing header for memcpy

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/helpers/rlp_encoder.c#L7

zephyr: support unix timestamps

Zephyr's kernel measures only time since the boot.

To support real-world timestamps, the build must have either:

persistent hardware clock unit like DS3231 (or an emulation for qemu builds)
NTP client that will update the time on boot (there's SNTP support in Zephyr)

Name of array is already a pointer

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L25

Getting address here with & is not necessary

DEMO: web3 connection

support for basic JSON RPC API queries:

Missing header file

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/helpers/byte_converter.c#L10

Missing #include <stdlib.h> for strtol()

wrong argument order

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/main.c#L112

function void keccak256(const uint8_t *data, uint8_t *hash, uint16_t length) first has pointer to hash and then length

wrong key type

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/main.c#L21

functions like nrf_crypto_ecc_key_pair_generate or nrf_crypto_ecc_private_key_to_raw expect private/public keys to be nrf_crypto_ecc_private_key_t/nrf_crypto_ecc_public_key_t type

[META] testing: create unit tests for the helpers

helper/ directory contains some useful modules, pulled from all over the internet. Unfortunately, it lacks tests for this code.

Task: create unit tests for following modules:

eth unit converter

We'll need a helper function that can convert between different ethereum units.

The function should take an uint256 as an input, and convert & format it to a desired unit type.

int eth_convert(const uint256_t *amount, enum unit from, enum unit to, char *buf, size_t buf_size);

example

>> eth_convert(0x2406d0096ba0007624, ETH_UNIT_WEI, ETH_UNIT_ETH, out, out_size);
>> print out
664.5736893707777777

Wrong data type, pointer expected

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L110

signature.v should be passed as a pointer

Improve README with Build/Setup Instructions

The README should clearly explain how to setup the environment in both possible scenarios:

Using the hardware board
Emulating the board.

zephyr: http client doesn't support chunked encoding

Parity is at the moment left out of the game because it sends results as Transfer-Encoding: chunked. Zephyr's http client doesn't support this.

Formalize the embedded wallet API

Create a blockchain agnostic API that can be called by the embedded application software to use the crytpo functionalities such as signing data with the private keys and sending transactions.

app: make it possible to disable modules that are not required

It should be possible to define which modules will be included in the build

Essential (the basic app):

shell wallet api

Optional:

data upload service (http client)
lwm2m client

contract call encoder: create tests for `uint128` & `uint256` types

create method that uses uint128/uint256 parameters: Test contract
fix data block encoder for these types (note: ethereum data block items are BE encoded, x86 is LE)

[META] basic utils for building an ethereum transaction

Goal

To create set of utilities that will help building and encoding an ethereum transaction on an embedded device.

Required features

int eth_encode_tx(const transaction_t *tx, uint8_t *result, size_t *result_size); - returns a RLP-encoded transaction data
int eth_sign(const privkey_t *pk, const uint8_t *data, size_t data_size, signature_t *sig_out) - signs arbitary data and fills in the signature_t structure
int eth_encode_and_sign_tx(const privkey_t *pk, const transaction_t *tx, uint8_t *result, size_t *result_size); - encode and sign an ethereum transaction
int privkey_to_address(const privkey_t *pk, address_t *out) - convert ECDSA private key to the ethereum address
int address_from_signature(const uint8_t *data, size_t data_len, const signature_t *signature, address_t *addr_out) - perform ECVerify on supplied data and return signer's address
... to be updated ....

Requirements

must not use dynamic memory
must be decoupled from hardware-specific code (this is especially important for the crypto functions)
sanity checks in place to ensure consistency of input/output data
every routine must have an appropriate test using gtest framework. Test data can be generated by python's ethereum libraries.

Other remarks

EIP155 support would be nice
Do not close this issue - it's purpose is to keep track of sub-issues that are related to it

array name is already a pointer

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/main.c#L88

CI: create Zephyr builds

Create another CI job that will download & setup Zephyr SDK + crosscompile our application.

No tests are required at the moment, the purpose is to verify that the firmware can be built for both arm and CI/x86.

Name of array is already a pointer

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L21

Getting address here with & is not necessary

Conflict on nrf52840_pca10056 build

When the CONFIG_NET_SHELL parameter was added to prj.conf crash the nrf52840_pca10056 build because generate a conflict with CONFIG_KERNEL_SHELL.

This error not happen with x86 because zephyr is only availble with nrf52840_pca10056 build.

Building/Installing GTest dependancy for macOS

The the libgtest-dev package is not listed on Homebrew for macOS: need to find alternative instructions to build this dependancy on macOS. Possible leads:

GTest readme: https://github.com/google/googletest/blob/master/googletest/README.md
StackOverflow post: https://stackoverflow.com/questions/20746232/how-to-properly-setup-googletest-on-os-x-aside-from-xcode

Closing the issue: verify these instructions perform the same operation as the current one for Linux.

CI: create a macOS builds

To make sure we are compatible with the Apple minority, we should have a Mac OS build on CircleCI.

create MacOS setup in .circleci/config.yaml
build x86 target on the MacOS image & run the tests

eth module: `address_from_signature()`

Create function
int address_from_signature(const uint8_t *data, size_t data_len, const signature_t *signature, address_t *addr_out)

Params:

const uint8_t *data - data
size_t *data_len - size of the data buffer
const signature_t *signature - signature of the data
address_t *addr_out - recovered address

see:
https://web3js.readthedocs.io/en/1.0/web3-eth-personal.html#ecrecover

Return value:

0 - success
-1 - error

[META] Getting data out of the board

A very important part is a working network connection from the board to the outside world.

LoWPAN6 BLE connection

Our primary target

Pros:

cool and wireless
full network stack
can use any linux PC as a gateway

Cons:

hard to set up

PPP

network transport utilizing serial port. Not sure if it is possible to have more USB serial connections in Zephyr

Pros:

full network stack
compatible with most OS

Cons:

not sure if there's a support for this network layer in Zephyr
requires a USB connection

Mock script

For a quick demo we can set up a script reading data from the ttyACM serial line and sending them to our gateway/ethereum node/Leshan

Pros:

easy to set up

Cons:

no 2-way connection
app specific

EIP155 signatures

Update the signing code to support EIP155 compatible signatures.

DEMO: eth node

To be able to use ethereum's JSONRPC api, the node must have an access to an ethereum node

one of these must be completed:

connect to infura.io using Zephyr's HTTPS client
proxy infura to HTTP/localhost (requires a proxy that can rewrite Host: header)
run our node in the cloud and forward the port via ssh tunnel

Is crypto folder necessary?

Are crypto folder and its contents remained for later use?

I guess that this crypto is legacy code. I was able to build the project without that code. With this Commit Diff

If my guess is correct and it is safe to remove crypto, I will make a pull requests to remove it.

Appearances:
cmake/wallet.cmake:8
cmake/wallet.cmake:14
eth/transaction.c:10
eth/transaction.c:94
helpers/crypto_helper.c
helpers/crypto_helper.h

[META] v3.1

Rough overview of features/requirements for v3.1:

Shell interface
- ~~create and delete accounts~~ postponed: it must be decided how will the accounts work
- display balance of the account
- transfer eth to another address
- check transaction status, get tx receipt
Smart Contracts
- make it possible to execute smart contract method
- ERC20 Support

Installing Requirements using Python

In the readme.md the command pip install --user -r requirements.txt doesn't work as web3 requires Python >=3.5.
May be update it to pip3 install --user -r requirements.txt

Enable coverity scan

https://scan.coverity.com/

DEMO: add hardware sensor

The demo will use a data from a simple hardware sensor (temperature, humidity, whatever)

DS18B20, BME280, DHT11, DHT22

read sensor data in Zephyr
create api that will make the data available application-wide to the other services (lwm2m client, http uploader)
make sure mocked sensor hardware + data are available in QEMU

Failed Zephyr Build MacOS

lorenzo@MacBook-Air-di-Lorenzo ~/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet $ mkdir build && cd build
 lorenzo@MacBook-Air-di-Lorenzo ~/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build $ cmake -GNinja -DBOARD=nrf52840_pca10056 -DBUILD_XCOMPILE=1 ../
-- Found PythonInterp: /Users/lorenzo/anaconda/bin/python3 (found suitable version "3.6", minimum required is "3") 
-- Found PythonInterp: /Users/lorenzo/anaconda/bin/python3 (found suitable version "3.6", minimum required is "3.4") 
-- Selected BOARD nrf52840_pca10056
Zephyr version: 1.13.99
Parsing Kconfig tree in /Users/lorenzo/gitHubRepo/zephyr/Kconfig
Loading /Users/lorenzo/gitHubRepo/zephyr/boards/arm/nrf52840_pca10056/nrf52840_pca10056_defconfig as base
Merging /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/prj.conf
CMake Warning at /Users/lorenzo/gitHubRepo/zephyr/cmake/toolchain.cmake:48 (message):
  gccarmemb is deprecated, please use gnuarmemb instead
Call Stack (most recent call first):
  /Users/lorenzo/gitHubRepo/zephyr/cmake/app/boilerplate.cmake:269 (include)
  CMakeLists.txt:14 (include)


CMake Warning at /Users/lorenzo/gitHubRepo/zephyr/cmake/toolchain/gnuarmemb.cmake:4 (message):
  GCCARMEMB_TOOLCHAIN_PATH is deprecated, please use GNUARMEMB_TOOLCHAIN_PATH
  instead
Call Stack (most recent call first):
  /Users/lorenzo/gitHubRepo/zephyr/cmake/toolchain.cmake:66 (include)
  /Users/lorenzo/gitHubRepo/zephyr/cmake/app/boilerplate.cmake:269 (include)
  CMakeLists.txt:14 (include)


-- Generating zephyr/include/generated/generated_dts_board.h
nrf52840_pca10056.dts_compiled: Warning (unique_unit_address): /soc/i2c@40003000: duplicate unit-address (also used in node /soc/spi@40003000)
nrf52840_pca10056.dts_compiled: Warning (unique_unit_address): /soc/i2c@40004000: duplicate unit-address (also used in node /soc/spi@40004000)
-- Cache files will be written to: /Users/lorenzo/Library/Caches/zephyr
-- The C compiler identification is GNU 7.3.1
-- The CXX compiler identification is GNU 7.3.1
-- The ASM compiler identification is GNU
-- Found assembler: /Users/lorenzo/gcc-arm-none-eabi-7-2018-q2-update/bin/arm-none-eabi-gcc
-- Performing Test toolchain_is_ok
-- Performing Test toolchain_is_ok - Success
-- Configuring done
-- Generating done
-- Build files have been written to: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build
 lorenzo@MacBook-Air-di-Lorenzo ~/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build $ ninja && ninja flash
[2/227] Building C object helpers/CMakeFiles/helpers.dir/byte_converter.c.obj
../helpers/byte_converter.c: In function 'char_to_bytes':
../helpers/byte_converter.c:40:18: warning: implicit declaration of function 'strtok'; did you mean 'strtol'? [-Wimplicit-function-declaration]
     char * ptr = strtok((char*)tmp, "x");
                  ^~~~~~
                  strtol
../helpers/byte_converter.c:40:18: warning: initialization makes pointer from integer without a cast [-Wint-conversion]
../helpers/byte_converter.c:45:13: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
         ptr = strtok(NULL, "x");
             ^
[6/227] Preparing syscall dependency handling

[86/227] Performing download step (git clone) for 'trezor-crypto-lib'
Cloning into 'trezor-crypto'...
Already on 'master'
Your branch is up to date with 'origin/master'.
Submodule 'tests/wycheproof' (https://github.com/google/wycheproof) registered for path 'tests/wycheproof'
Cloning into '/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/thirdparty/trezor-crypto/tests/wycheproof'...
Submodule path 'tests/wycheproof': checked out '2904be69e9d666bf3064fdc15093747e695cfae6'
[125/227] Performing configure step for 'trezor-crypto-lib'
-- The C compiler identification is GNU 7.3.1
-- The CXX compiler identification is AppleClang 9.1.0.9020039
-- Checking whether C compiler has -isysroot
-- Checking whether C compiler has -isysroot - yes
-- Checking whether C compiler supports OSX deployment target flag
-- Checking whether C compiler supports OSX deployment target flag - no
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - failed
-- Detecting C compile features
-- Detecting C compile features - failed
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/trezor-crypto/src/trezor-crypto-lib-build
[140/227] Performing build step for 'trezor-crypto-lib'
[1/29] Building C object CMakeFiles/trezor-crypto.dir/address.c.o
[2/29] Building C object CMakeFiles/trezor-crypto.dir/base32.c.o
[3/29] Building C object CMakeFiles/trezor-crypto.dir/base58.c.o
[4/29] Building C object CMakeFiles/trezor-crypto.dir/bip39.c.o
[5/29] Building C object CMakeFiles/trezor-crypto.dir/blake256.c.o
[6/29] Building C object CMakeFiles/trezor-crypto.dir/curves.c.o
[7/29] Building C object CMakeFiles/trezor-crypto.dir/bip32.c.o
[8/29] Building C object CMakeFiles/trezor-crypto.dir/cash_addr.c.o
[9/29] Building C object CMakeFiles/trezor-crypto.dir/hasher.c.o
[10/29] Building C object CMakeFiles/trezor-crypto.dir/hmac.c.o
[11/29] Building C object CMakeFiles/trezor-crypto.dir/memzero.c.o
[12/29] Building C object CMakeFiles/trezor-crypto.dir/bignum.c.o
[13/29] Building C object CMakeFiles/trezor-crypto.dir/nist256p1.c.o
[14/29] Building C object CMakeFiles/trezor-crypto.dir/blake2s.c.o
[15/29] Building C object CMakeFiles/trezor-crypto.dir/nem.c.o
[16/29] Building C object CMakeFiles/trezor-crypto.dir/rc4.c.o
[17/29] Building C object CMakeFiles/trezor-crypto.dir/pbkdf2.c.o
[18/29] Building C object CMakeFiles/trezor-crypto.dir/rand.c.o
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/thirdparty/trezor-crypto/rand.c:29:9: note: #pragma message: NOT SUITABLE FOR PRODUCTION USE!
 #pragma message("NOT SUITABLE FOR PRODUCTION USE!")
         ^~~~~~~
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/thirdparty/trezor-crypto/rand.c: In function 'random32':
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/thirdparty/trezor-crypto/rand.c:45:3: warning: implicit declaration of function 'srand' [-Wimplicit-function-declaration]
   srand((unsigned)time(NULL));
   ^~~~~
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/thirdparty/trezor-crypto/rand.c:45:19: warning: implicit declaration of function 'time'; did you mean 'true'? [-Wimplicit-function-declaration]
   srand((unsigned)time(NULL));
                   ^~~~
                   true
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/thirdparty/trezor-crypto/rand.c:48:11: warning: implicit declaration of function 'rand'; did you mean 'va_end'? [-Wimplicit-function-declaration]
  return ((rand() & 0xFF) | ((rand() & 0xFF) << 8) | ((rand() & 0xFF) << 16) | ((uint32_t) (rand() & 0xFF) << 24));
           ^~~~
           va_end
[19/29] Building C object CMakeFiles/trezor-crypto.dir/rfc6979.c.o
[20/29] Building C object CMakeFiles/trezor-crypto.dir/script.c.o
[21/29] Building C object CMakeFiles/trezor-crypto.dir/secp256k1.c.o
[22/29] Building C object CMakeFiles/trezor-crypto.dir/ecdsa.c.o
[23/29] Building C object CMakeFiles/trezor-crypto.dir/segwit_addr.c.o
[24/29] Building C object CMakeFiles/trezor-crypto.dir/sha3.c.o
[25/29] Building C object CMakeFiles/trezor-crypto.dir/groestl.c.o
[26/29] Building C object CMakeFiles/trezor-crypto.dir/ripemd160.c.o
[27/29] Building C object CMakeFiles/trezor-crypto.dir/sha2.c.o
[28/29] Building C object CMakeFiles/trezor-crypto.dir/blake2b.c.o
[29/29] Linking C static library libtrezor-crypto.a
warning: /Library/Developer/CommandLineTools/usr/bin/ranlib: warning for library: libtrezor-crypto.a the table of contents is empty (no object file members in the library define global symbols)
[142/227] Performing install step for 'trezor-crypto-lib'
[0/1] Install the project...
-- Install configuration: ""
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/lib/libtrezor-crypto.a
warning: /Library/Developer/CommandLineTools/usr/bin/ranlib: warning for library: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/lib/libtrezor-crypto.a the table of contents is empty (no object file members in the library define global symbols)
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/address.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/base32.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/base58.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/bignum.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/bip32.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/bip39.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/bip39_english.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/blake256.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/blake2_common.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/blake2b.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/blake2s.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/cash_addr.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/check_mem.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/curves.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ecdsa.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/groestl.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/groestl_internal.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/hasher.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/hmac.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/memzero.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/nem.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/nem_serialize.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/nist256p1.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/options.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/pbkdf2.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/rand.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/rc4.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/rfc6979.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ripemd160.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/script.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/secp256k1.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/segwit_addr.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/sha2.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/sha3.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/chacha20poly1305/chacha20poly1305.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/chacha20poly1305/ecrypt-config.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/chacha20poly1305/ecrypt-machine.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/chacha20poly1305/ecrypt-portable.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/chacha20poly1305/ecrypt-sync.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/chacha20poly1305/ecrypt-types.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/chacha20poly1305/poly1305-donna-32.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/chacha20poly1305/poly1305-donna.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/chacha20poly1305/rfc7539.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/curve25519-donna-32bit.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/curve25519-donna-helpers.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/curve25519-donna-scalarmult-base.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/ed25519-donna-32bit-tables.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/ed25519-donna-basepoint-table.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/ed25519-donna-impl-base.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/ed25519-donna-portable.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/ed25519-donna.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/ed25519-hash-custom-keccak.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/ed25519-hash-custom-sha3.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/ed25519-hash-custom.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/ed25519-keccak.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/ed25519-sha3.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/ed25519.h
-- Installing: /Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/include/trezor-crypto/ed25519-donna/modm-donna-32bit.h
[146/227] Building C object CMakeFiles/app.dir/zephyr/compat.c.obj
../zephyr/compat.c: In function 'srand':
../zephyr/compat.c:13:25: warning: unused parameter 'seed' [-Wunused-parameter]
 void srand(unsigned int seed)
                         ^~~~
../zephyr/compat.c: In function 'rand':
../zephyr/compat.c:18:12: warning: implicit declaration of function 'sys_rand32_get' [-Wimplicit-function-declaration]
     return sys_rand32_get();
            ^~~~~~~~~~~~~~
[149/227] Building C object CMakeFiles/app.dir/zephyr/http_utils.c.obj
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/logging/log.h:11:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_core.h:52,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:24,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_app.h:44,
                 from ../zephyr/http_utils.c:9:
/Users/lorenzo/gitHubRepo/zephyr/include/logging/log_core.h: In function 'log_printf_arg_checker':
/Users/lorenzo/gitHubRepo/zephyr/include/logging/log_core.h:387:41: warning: unused parameter 'fmt' [-Wunused-parameter]
 void log_printf_arg_checker(const char *fmt, ...)
                                         ^~~
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_if.h:26:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:27,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_app.h:44,
                 from ../zephyr/http_utils.c:9:
/Users/lorenzo/gitHubRepo/zephyr/include/net/hostname.h: In function 'net_hostname_set_postfix':
/Users/lorenzo/gitHubRepo/zephyr/include/net/hostname.h:68:56: warning: unused parameter 'hostname_postfix' [-Wunused-parameter]
 static inline int net_hostname_set_postfix(const u8_t *hostname_postfix,
                                                        ^~~~~~~~~~~~~~~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/hostname.h:69:13: warning: unused parameter 'postfix_len' [-Wunused-parameter]
         int postfix_len)
             ^~~~~~~~~~~
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:27:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_app.h:44,
                 from ../zephyr/http_utils.c:9:
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_if.h: At top level:
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_if.h:456:15: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
 static inline const struct net_l2 * const net_if_l2(struct net_if *iface)
               ^~~~~
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_app.h:44:0,
                 from ../zephyr/http_utils.c:9:
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_set_orig_iface':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:238:59: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline void net_pkt_set_orig_iface(struct net_pkt *pkt,
                                                           ^~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:239:23: warning: unused parameter 'iface' [-Wunused-parameter]
        struct net_if *iface)
                       ^~~~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_priority':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:433:53: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline u8_t net_pkt_priority(struct net_pkt *pkt)
                                                     ^~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_vlan_tag':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:484:54: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline u16_t net_pkt_vlan_tag(struct net_pkt *pkt)
                                                      ^~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_vlan_dei':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:501:53: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline bool net_pkt_vlan_dei(struct net_pkt *pkt)
                                                     ^~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_vlan_tci':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:512:54: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline u16_t net_pkt_vlan_tci(struct net_pkt *pkt)
                                                      ^~~
../zephyr/http_utils.c: In function 'http_received':
../zephyr/http_utils.c:16:37: warning: unused parameter 'ctx' [-Wunused-parameter]
 void http_received(struct http_ctx *ctx,
                                     ^~~
../zephyr/http_utils.c:19:12: warning: unused parameter 'flags' [-Wunused-parameter]
      u32_t flags,
            ^~~~~
../zephyr/http_utils.c:20:29: warning: unused parameter 'dst' [-Wunused-parameter]
      const struct sockaddr *dst,
                             ^~~
../zephyr/http_utils.c:21:12: warning: unused parameter 'user_data' [-Wunused-parameter]
      void *user_data)
            ^~~~~~~~~
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/logging/log.h:11:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_core.h:52,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:24,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_app.h:44,
                 from ../zephyr/http_utils.c:9:
../zephyr/http_utils.c: In function 'do_sync_http_req':
../zephyr/http_utils.c:58:11: warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'void *' [-Wformat=]
  NET_INFO("Send %s %x %d", url, (void*)result, sizeof(result));
           ^                     ~~~~~~~~
/Users/lorenzo/gitHubRepo/zephyr/include/logging/log_core.h:208:27: note: in definition of macro '__LOG'
    log_printf_arg_checker(__VA_ARGS__);      \
                           ^~~~~~~~~~~
/Users/lorenzo/gitHubRepo/zephyr/include/logging/log.h:60:24: note: in expansion of macro '_LOG'
 #define LOG_INF(...)   _LOG(LOG_LEVEL_INF, __VA_ARGS__)
                        ^~~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_core.h:66:28: note: in expansion of macro 'LOG_INF'
 #define NET_INFO(fmt, ...) LOG_INF(fmt,  ##__VA_ARGS__)
                            ^~~~~~~
../zephyr/http_utils.c:58:2: note: in expansion of macro 'NET_INFO'
  NET_INFO("Send %s %x %d", url, (void*)result, sizeof(result));
  ^~~~~~~~
[151/227] Building C object CMakeFiles/app.dir/zephyr/lwm2m_client.c.obj
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/logging/log.h:11:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_core.h:52,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:24,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_app.h:44,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/lwm2m.h:11,
                 from ../zephyr/lwm2m_client.c:9:
/Users/lorenzo/gitHubRepo/zephyr/include/logging/log_core.h: In function 'log_printf_arg_checker':
/Users/lorenzo/gitHubRepo/zephyr/include/logging/log_core.h:387:41: warning: unused parameter 'fmt' [-Wunused-parameter]
 void log_printf_arg_checker(const char *fmt, ...)
                                         ^~~
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_if.h:26:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:27,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_app.h:44,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/lwm2m.h:11,
                 from ../zephyr/lwm2m_client.c:9:
/Users/lorenzo/gitHubRepo/zephyr/include/net/hostname.h: In function 'net_hostname_set_postfix':
/Users/lorenzo/gitHubRepo/zephyr/include/net/hostname.h:68:56: warning: unused parameter 'hostname_postfix' [-Wunused-parameter]
 static inline int net_hostname_set_postfix(const u8_t *hostname_postfix,
                                                        ^~~~~~~~~~~~~~~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/hostname.h:69:13: warning: unused parameter 'postfix_len' [-Wunused-parameter]
         int postfix_len)
             ^~~~~~~~~~~
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:27:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_app.h:44,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/lwm2m.h:11,
                 from ../zephyr/lwm2m_client.c:9:
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_if.h: At top level:
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_if.h:456:15: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
 static inline const struct net_l2 * const net_if_l2(struct net_if *iface)
               ^~~~~
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_app.h:44:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/lwm2m.h:11,
                 from ../zephyr/lwm2m_client.c:9:
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_set_orig_iface':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:238:59: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline void net_pkt_set_orig_iface(struct net_pkt *pkt,
                                                           ^~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:239:23: warning: unused parameter 'iface' [-Wunused-parameter]
        struct net_if *iface)
                       ^~~~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_priority':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:433:53: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline u8_t net_pkt_priority(struct net_pkt *pkt)
                                                     ^~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_vlan_tag':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:484:54: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline u16_t net_pkt_vlan_tag(struct net_pkt *pkt)
                                                      ^~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_vlan_dei':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:501:53: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline bool net_pkt_vlan_dei(struct net_pkt *pkt)
                                                     ^~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_vlan_tci':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:512:54: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline u16_t net_pkt_vlan_tci(struct net_pkt *pkt)
                                                      ^~~
[152/227] Building C object CMakeFiles/app.dir/zephyr/main.c.obj
../zephyr/main.c: In function 'main':
../zephyr/main.c:54:5: warning: implicit declaration of function 'lwm2m_init'; did you mean 'k_sem_init'? [-Wimplicit-function-declaration]
     lwm2m_init();
     ^~~~~~~~~~
     k_sem_init
[154/227] Building C object CMakeFiles/app.dir/zephyr/upload.c.obj
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/logging/log.h:11:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/shell/shell.h:16,
                 from ../zephyr/upload.c:10:
/Users/lorenzo/gitHubRepo/zephyr/include/logging/log_core.h: In function 'log_printf_arg_checker':
/Users/lorenzo/gitHubRepo/zephyr/include/logging/log_core.h:387:41: warning: unused parameter 'fmt' [-Wunused-parameter]
 void log_printf_arg_checker(const char *fmt, ...)
                                         ^~~
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_if.h:26:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:27,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_app.h:44,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/http.h:16,
                 from ../zephyr/upload.c:13:
/Users/lorenzo/gitHubRepo/zephyr/include/net/hostname.h: In function 'net_hostname_set_postfix':
/Users/lorenzo/gitHubRepo/zephyr/include/net/hostname.h:68:56: warning: unused parameter 'hostname_postfix' [-Wunused-parameter]
 static inline int net_hostname_set_postfix(const u8_t *hostname_postfix,
                                                        ^~~~~~~~~~~~~~~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/hostname.h:69:13: warning: unused parameter 'postfix_len' [-Wunused-parameter]
         int postfix_len)
             ^~~~~~~~~~~
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:27:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_app.h:44,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/http.h:16,
                 from ../zephyr/upload.c:13:
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_if.h: At top level:
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_if.h:456:15: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
 static inline const struct net_l2 * const net_if_l2(struct net_if *iface)
               ^~~~~
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/net/net_app.h:44:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/net/http.h:16,
                 from ../zephyr/upload.c:13:
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_set_orig_iface':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:238:59: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline void net_pkt_set_orig_iface(struct net_pkt *pkt,
                                                           ^~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:239:23: warning: unused parameter 'iface' [-Wunused-parameter]
        struct net_if *iface)
                       ^~~~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_priority':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:433:53: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline u8_t net_pkt_priority(struct net_pkt *pkt)
                                                     ^~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_vlan_tag':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:484:54: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline u16_t net_pkt_vlan_tag(struct net_pkt *pkt)
                                                      ^~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_vlan_dei':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:501:53: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline bool net_pkt_vlan_dei(struct net_pkt *pkt)
                                                     ^~~
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h: In function 'net_pkt_vlan_tci':
/Users/lorenzo/gitHubRepo/zephyr/include/net/net_pkt.h:512:54: warning: unused parameter 'pkt' [-Wunused-parameter]
 static inline u16_t net_pkt_vlan_tci(struct net_pkt *pkt)
                                                      ^~~
At top level:
../zephyr/upload.c:172:12: warning: 'upload_data' defined but not used [-Wunused-function]
 static int upload_data(const struct shell *shell, int argc, char *argv[])
            ^~~~~~~~~~~
[159/227] Building C object eth/CMakeFiles/eth.dir/sign.c.obj
../eth/sign.c: In function 'eth_digest_message':
../eth/sign.c:30:47: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t {aka unsigned int' [-Wformat=]
     snprintf(_data_len, sizeof(_data_len), "%ld", data_len);
                                             ~~^
                                             %d
[161/227] Building C object CMakeFiles/app.dir/zephyr/wallet.c.obj
In file included from /Users/lorenzo/gitHubRepo/zephyr/include/logging/log.h:11:0,
                 from /Users/lorenzo/gitHubRepo/zephyr/include/shell/shell.h:16,
                 from ../zephyr/wallet.c:13:
/Users/lorenzo/gitHubRepo/zephyr/include/logging/log_core.h: In function 'log_printf_arg_checker':
/Users/lorenzo/gitHubRepo/zephyr/include/logging/log_core.h:387:41: warning: unused parameter 'fmt' [-Wunused-parameter]
 void log_printf_arg_checker(const char *fmt, ...)
                                         ^~~
[222/227] Linking C executable zephyr/zephyr_prebuilt.elf
FAILED: zephyr/zephyr_prebuilt.elf 
: && ccache /Users/lorenzo/gcc-arm-none-eabi-7-2018-q2-update/bin/arm-none-eabi-gcc    zephyr/CMakeFiles/zephyr_prebuilt.dir/misc/empty_file.c.obj  -o zephyr/zephyr_prebuilt.elf -L/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/install/lib -T zephyr/linker.cmd -Wl,-Map=/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/zephyr/zephyr.map -u_OffsetAbsSyms -u_ConfigAbsSyms -Wl,--whole-archive libapp.a zephyr/libzephyr.a zephyr/arch/arm/core/libarch__arm__core.a zephyr/arch/arm/core/cortex_m/libarch__arm__core__cortex_m.a zephyr/arch/arm/core/cortex_m/mpu/libarch__arm__core__cortex_m__mpu.a zephyr/lib/json/liblib__json.a zephyr/lib/libc/minimal/liblib__libc__minimal.a zephyr/subsys/bluetooth/common/libsubsys__bluetooth__common.a zephyr/subsys/bluetooth/host/libsubsys__bluetooth__host.a zephyr/subsys/bluetooth/controller/libsubsys__bluetooth__controller.a zephyr/subsys/net/libsubsys__net.a zephyr/subsys/net/ip/libsubsys__net__ip.a zephyr/subsys/net/lib/lwm2m/libsubsys__net__lib__lwm2m.a zephyr/subsys/net/lib/config/libsubsys__net__lib__config.a zephyr/subsys/net/lib/http/libsubsys__net__lib__http.a zephyr/drivers/gpio/libdrivers__gpio.a zephyr/drivers/serial/libdrivers__serial.a zephyr/drivers/entropy/libdrivers__entropy.a -Wl,--no-whole-archive zephyr/kernel/libkernel.a zephyr/CMakeFiles/offsets.dir/arch/arm/core/offsets/offsets.c.obj -L"/Users/lorenzo/gcc-arm-none-eabi-7-2018-q2-update/bin/../lib/gcc/arm-none-eabi/7.3.1/thumb/v7e-m" -L/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/zephyr -lgcc -Wl,--print-memory-usage libwallet.a crypto/libcrypto.a eth/libeth.a helpers/libhelpers.a -ltrezor-crypto -nostartfiles -nodefaultlibs -nostdlib -static -no-pie -Wl,-X -Wl,-N -Wl,--gc-sections -Wl,--build-id=none -Wl,--orphan-handling=warn && :
Memory region         Used Size  Region Size  %age Used
           FLASH:      175120 B         1 MB     16.70%
            SRAM:         47 KB       256 KB     18.36%
        IDT_LIST:         120 B         2 KB      5.86eth/libeth.a(address.c.obj): In function `privkey_to_ethereum_address':
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/address.c:23: undefined reference to `ecdsa_get_public_key65'
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/address.c:24: undefined reference to `keccak_256'
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/address.c:27: undefined reference to `secp256k1'
eth/libeth.a(sign.c.obj): In function `eth_digest_message':
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/sign.c:25: undefined reference to `sha3_256_Init'
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/sign.c:27: undefined reference to `sha3_Update'
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/sign.c:31: undefined reference to `sha3_Update'
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/sign.c:33: undefined reference to `sha3_Update'
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/sign.c:35: undefined reference to `keccak_Final'
eth/libeth.a(sign.c.obj): In function `eth_sign':
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/sign.c:48: undefined reference to `ecdsa_sign_digest'
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/sign.c:46: undefined reference to `secp256k1'
eth/libeth.a(sign.c.obj): In function `eth_sign_data_rawsig':
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/sign.c:59: undefined reference to `keccak_256'
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/sign.c:60: undefined reference to `ecdsa_sign_digest'
/Users/lorenzo/gitHubRepo/zephyr/samples/anyledger/anyledger-wallet/build/../eth/sign.c:63: undefined reference to `secp256k1'
collect2: error: ld returned 1 exit status
%
ninja: build stopped: subcommand failed.

Name of array is already a pointer

https://github.com/AnyLedger/anyledger-wallet/blob/0ad6a780c63a7a7c31acb675234f7ae4f91d6b82/transaction.c#L29

Getting address here with & is not necessary

create zephyr QEMU build

Our build is at the moment specific to nRF52x board. It would be nice to have a generic build that can be tested on the local machine.

update main.c so it is usable with both -DBOARD=qemu_x86 and -DBOARD=nrf52840_pca10056

eth module: `eth_sign()`

Create function
int eth_sign(const privkey_t *pk, const uint8_t *data, size_t data_size, signature_t *sig_out)

Params:

const privkey_t *pk - private key
uint8_t *data - data to sign
size_t *data_size - size of the data buffer
signature_t *sig_out - result

Return value:

0 - success
-1 - error

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