Add inline config files
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include *requirements.txt LICENSE
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include *requirements.txt LICENSE chaind_eth/data/config/* chaind_eth/data/config/syncer/*
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README.md
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README.md
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# chaind-eth development tester recipe
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chaind-eth is a socket server that acts as a automated transaction handler for an EVM network.
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It capabilities are (unchecked box means feature not yet completed):
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- [x] unix socket server to accept raw, signed RLP evm transactions
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- [x] stateful queueing system following full local and remote lifecycle of the transaction
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- [x] transaction dispatcher unit
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- [ ] transaction retry unit (for errored or suspended transactions)
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- [x] blockchain listener that updates state of transactions in queue
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- [x] CLI transaction listing tool, filterable by:
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* [x] transaction range with lower and/or upper bound
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* [x] only show transaction with errors
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* [x] only show transaction that have not yet completed
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- [x] systemd unit / socket service
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## prerequisites
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For these examples you need:
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- python 3.9.x
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- pip
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- virtualenv
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- socat
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- sqlite
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- an EVM RPC endpoint
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For any python command / executable use:
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* `-v` or `-vv` to get more information about what is going on
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* `--help` for information on how to use and parameters that can be passed
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## usage example
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### set up database
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In terminal window A
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Currently there is no more practical way of setting up the database backend :/
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```
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git clone https://gitlab.com/chaintool/chaind
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cd chaind
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python -m venv .venv
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. .venv/bin/activate
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pip install --extra-index-url https://pip.grassrootseconomics.net:8433 -r requirements.txt
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# the following will set up your database in ~/.local/share/chaind/eth/chaind.sqlite
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PYTHONPATH=. CHAIND_DOMAIN=eth DATABASE_ENGINE=sqlite python scripts/migrate.py
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```
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### create an empty working directory
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```
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d=$(mktemp -d) && cd $d
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```
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### create a chaind-eth sandbox
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```
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python -m venv .venv
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. .venv/bin/activate
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pip install --extra-index-url https://pip.grassrootseconomics.net:8433 "chaind-eth>=0.0.1a2"
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```
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### start the services
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In terminal window B
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```
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cd <working directory>
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. .venv/bin/activate
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export DATABASE_ENGINE=sqlite
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export RPC_HTTP_PROVIDER=<your_provider>
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export CHAIN_SPEC=<chain_spec_of_provider>
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chaind-eth-server --session-id testsession
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```
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In terminal window C
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```
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cd <working directory>
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. .venv/bin/activate
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export DATABASE_ENGINE=sqlite
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export RPC_HTTP_PROVIDER=<your_provider>
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export CHAIN_SPEC=<chain_spec_of_provider>
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chaind-eth-syncer
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```
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### prepare test transactions
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Create two transactions from sender in keyfile (which needs to have gas balance) to a newly created account
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```
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export WALLET_KEY_FILE=<path_to_keyfile>
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export WALLET_PASSWORD=<keyfile_password_if_needed>
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export RPC_HTTP_PROVIDER=<your_provider>
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export CHAIN_SPEC=<chain_spec_of_provider>
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# create new account and store address in variable
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eth-keyfile -z > testkey.json
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recipient=$(eth-keyfile -z -d testkey.json)
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# create transactions
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eth-gas --raw -a $recipient 1024 > tx1.txt
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eth-gas --raw -a $recipient 2048 > tx2.txt
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eth-gas --raw -a $recipient 4096 > tx3.txt
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```
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### send test transactions to queue
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```
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cat tx1.txt | socat UNIX-CLIENT=/run/user/$UID/testsession/chaind.sock
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cat tx2.txt | socat UNIX-CLIENT=/run/user/$UID/testsession/chaind.sock
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cat tx3.txt | socat UNIX-CLIENT=/run/user/$UID/testsession/chaind.sock
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```
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### check status of transactions
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```
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export DATABASE_ENGINE=sqlite
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sender=$(eth-keyfile -d $WALLET_KEY_FILE)
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DATABASE_NAME=$HOME/.local/share/chaind/eth/chaind.sqlite chainqueue-list $sender
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# to show a summary only instead all transactions
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DATABASE_NAME=$HOME/.local/share/chaind/eth/chaind.sqlite chainqueue-list --summary $sender
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```
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The `chainqueue-list` tool provides some basic filtering. Use `chainqueue-list --help` to see what they are.
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## systemd
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TBC
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4
chaind_eth/data/config/syncer/config.ini
Normal file
4
chaind_eth/data/config/syncer/config.ini
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[syncer]
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history_start = 0
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skip_history = 0
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loop_interval = 1
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chaind<=0.0.1,>=0.0.1a5
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chaind<=0.0.1,>=0.0.1a5
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hexathon~=0.0.1a7
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hexathon~=0.0.1a7
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chainlib-eth<=0.0.6,>0.0.6a1
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chainlib-eth<=0.0.6,>=0.0.6a1
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#chainlib-eth~=0.0.5a4
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