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BUILD-qemu.md

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wallet instructions

This document describes how to start anyledger-wallet project using a QEMU virtual machine.

... assuming:

  • you have the anyledger repo and zephyr SDK set up (first try to build blinky example from the zephyr repo, then clone anyledger into samples/anyledger/anyledger-wallet)
  • you have a running ethereum node (e.g. parity) and a proxy that buffers chunked-encoding replies of the node's JSONRPC interface.

part one: networking

  1. set up basic networking stuff

Zephyr QEMU Networking

  1. start the parity ethereum node and make the JSON-RPC port listen at localhost:18545
$ parity --light --jsonrpc-port 18545

if you get Provided Host header is not whitelisted. error when you do step 3, that means you need

$ parity --light --jsonrpc-port 18545 --jsonrpc-hosts="all"
  1. start the proxy with
$ lighttpd -f misc/lighttpd.conf
(log.c.217) server started

, which will forward incoming IPV6 port 8545 requests to IPV4 18545 and translate from HTTP chunked-encoding to Content-length. Then execute:

$ curl -X POST --header "Content-Type: application/json"  --data '{"jsonrpc":"2.0","method":"web3_clientVersion","params":[],"id":987}' [::1]:8545
 
{"jsonrpc":"2.0","result":"Parity-Ethereum//v2.4.5-stable-76d4064-20190408/x86_64-linux-gnu/rustc1.33.0","id":987}

part two: build the QEMU target

  1. create an empty file pk.txt in the root of the anyledger-wallet repository and paste your hex-encoded private key to it.

  2. build the wallet

$ mkdir build && cd build && cmake -GNinja -DBOARD=qemu_x86 -DBUILD_XCOMPILE=1 ../ && ninja

part three: play with the wallet

  1. run the emulator (the wallet prompt should appear immediately)

$ ninja run

  1. check if your private key is correct

uart:~$ wallet pk

  1. sync your account nonce (No output for this one)

uart:~$ wallet sync

  1. send a transaction and check etherscan if it did go through (value of the transaction will be 0)

uart:~$ wallet transfer <to_address>

  1. check other wallet functionalities

uart:~$ wallet