basic ethereum (#931)

* init basic_ethereum

* hello world

* canister init

* initiate tecdsa key

* derive Ethereum address

* transaction count

* create and sign transaction

* send transaction

* CI

* lint

* basic wallet

* state module

* ecdsa module

* simplify errors

* README

* Apply suggestions from code review

Fix typos and apply minor suggestions

Co-authored-by: Thomas Locher <[email protected]>

* use --ic instead of --network ic

* add Wei alias

* inline keccak

* rename constant

* method estimate_transaction_fees

* improve error message

* improve README address tied to principal

* fix typo

---------

Co-authored-by: Thomas Locher <[email protected]>

.github/CODEOWNERS

@@ -59,6 +59,7 @@
 
 /rust/basic_bitcoin/ @dfinity/execution
 /rust/basic_dao/ @dfinity/testing-verification
+/rust/basic_ethereum/ @dfinity/cross-chain-team
 /rust/canister-info/ @dfinity/testing-verification
 /rust/canister_logs/ @dfinity/execution
 /rust/composite_query/ @dfinity/execution

.github/workflows/rust-basic-ethereum-example.yml

@@ -0,0 +1,63 @@
+name: rust-basic-ethereum
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    paths:
+      - rust/basic_ethereum/**
+      - .github/workflows/provision-darwin.sh
+      - .github/workflows/provision-linux.sh
+      - .github/workflows/provision-pocket-ic-server.sh
+      - .github/workflows/rust-basic-ethereum-example.yml
+      - .ic-commit
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+jobs:
+  rust-basic-ethereum-darwin:
+    runs-on: macos-12
+    steps:
+      - uses: actions/checkout@v1
+      - name: Provision Darwin
+        run: bash .github/workflows/provision-darwin.sh
+      - name: Provision PocketIC Darwin
+        run: bash .github/workflows/provision-pocket-ic-server.sh
+      - name: Build Basic Ethereum Darwin
+        run: |
+          pushd rust/basic_ethereum
+          cargo build --target wasm32-unknown-unknown --release
+          popd
+      - name: Lint Basic Ethereum Darwin
+        run: |
+          pushd rust/basic_ethereum
+          cargo fmt --all -- --check && cargo clippy --all-targets --all-features -- -D warnings
+          popd
+      - name: Test Basic Ethereum Darwin
+        run: |
+          pushd rust/basic_ethereum
+          cargo test
+          popd
+  rust-basic-ethereum-linux:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v1
+      - name: Provision Linux
+        run: bash .github/workflows/provision-linux.sh
+      - name: Provision PocketIC Linux
+        run: bash .github/workflows/provision-pocket-ic-server.sh
+      - name: Build Basic Ethereum Linux
+        run: |
+          pushd rust/basic_ethereum
+          cargo build --target wasm32-unknown-unknown --release
+          popd
+      - name: Lint Basic Ethereum Linux
+        run: |
+          pushd rust/basic_ethereum
+          cargo fmt --all -- --check && cargo clippy --all-targets --all-features -- -D warnings
+          popd
+      - name: Test Basic Ethereum Linux
+        run: |
+          pushd rust/basic_ethereum
+          cargo test
+          popd

rust/basic_bitcoin/README.md

@@ -7,7 +7,7 @@ keywords: [advanced, rust, bitcoin, btc, integration, bitcoin integration]
 [View this sample's code on GitHub](https://github.com/dfinity/examples/tree/master/rust/basic_bitcoin)
 
 ## Overview 
-This tutorial will walk you through how to deploy a sample [canister smart contract](/docs/current/developer-docs/multi-chain/bitcoin/overview) **that can send and receive Bitcoin** on the Internet Computer.
+This tutorial will walk you through how to deploy a sample [canister smart contract](https://internetcomputer.org/docs/current/developer-docs/multi-chain/bitcoin/overview) **that can send and receive Bitcoin** on the Internet Computer.
 
 ## Architecture