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111 lines
5.0 KiB
Markdown
111 lines
5.0 KiB
Markdown
# Ocean private test net using Proof Of Authority consensus
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### Setup
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0. Install [docker](https://docs.docker.com/engine/installation/) and [docker-compose](https://docs.docker.com/compose/install/)
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1. Run `git clone https://github.com/oceanprotocol/docker-images.git`
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2. Run `cd docker-images/parity`
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3. Run `docker-compose up ` (add `-d` to run in daemon mode)
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4. This will run 3 validator/authority nodes and 1 user node
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### Access JSON RPC
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Access JSON RPC at [http://127.0.0.1:8545](http://127.0.0.1:8545).
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### Some handy curl commands
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### Send transaction
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```
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curl --data '{"jsonrpc":"2.0","method":"personal_sendTransaction","params":[{"from":"0x<address>","to":"0x<address>","value":"0x<value>"}, "<password if any>"],"id":0}' -H "Content-Type: application/json" -X POST localhost:8545
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```
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#### Unlock account
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replace `null` with number of seconds to indicate how long account will be unlocked
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Account address goes in the first param (here is's just "0x")
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```
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curl --data '{"method":"personal_unlockAccount","params":["0x","hunter2",null],"id":1,"jsonrpc":"2.0"}' -H "Content-Type: application/json" -X POST localhost:8545
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```
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### New account
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Using just a password
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```
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curl --data '{"method":"personal_newAccount","params":["password-hunter2"],"id":1,"jsonrpc":"2.0"}' -H "Content-Type: application/json" -X POST localhost:8545
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```
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Using a recovery phrase and password
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```
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curl --data '{"method":"parity_newAccountFromPhrase","params":["stylus outing overhand dime radial seducing harmless uselessly evasive tastiness eradicate imperfect","hunter2"],"id":1,"jsonrpc":"2.0"}' -H "Content-Type: application/json" -X POST localhost:8545
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```
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Refer to these sources for more goodies:
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* https://github.com/paritytech/wiki
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* https://github.com/paritytech/wiki/blob/master/JSONRPC-personal-module.md
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* https://github.com/paritytech/wiki/blob/master/JSONRPC-parity_accounts-module.md
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### Instructions to add a validator node using Docker Compose
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* Run the private network as described above
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* Create a new validator account:
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`curl --data '{"jsonrpc":"2.0","method":"parity_newAccountFromPhrase","params":["nodeX-phrase", "nodeX-password"],"id":0}' -H "Content-Type: application/json" -X POST localhost:8545`
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* Returns something like this: `{"jsonrpc":"2.0","result":"0x00aa39d30f0d20ff03a22ccfc30b7efbfca597c2","id":0}`
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* Copy the file `parity/keys/UTC--2018-05-22T13-53-28Z--ed4d9a7c-4206-bbf3-673c-fdd1d41b4dcb` to `parity/authorities` and rename it to `validatorX.json` (pick a better name) then modify the contents to improve indentation (optional)
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* Add a simple text file named `validatorX.pwd` in `parity/authorities` and add the password `nodeX-password` (or whatever was specified in the "params":["nodeX-phrase", "nodeX-password"])
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* Copy/paste a validator image definition section in the docker-compose.yml file and modify it to reflect the new node name and make sure to point to the new `validatorX.json` and `validayorX.pwd` files.
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* This is what will be added to the docker-compose.yml file:
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```
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validatorX:
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image: parity/parity:stable
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command:
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--config /parity/config/validator.toml
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--engine-signer 0x00aa39d30f0d20ff03a22ccfc30b7efbfca597c2
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volumes:
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- ./parity/config:/parity/config:ro
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- validatorX:/root/.local/share/io.parity.ethereum/
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- ./parity/authorities/validatorX.json:/root/.local/share/io.parity.ethereum/keys/${NETWORK_NAME}/validator.json:ro
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- ./parity/authorities/validatorX.pwd:/parity/validator.pwd:ro
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- ./parity/nodeX.network.key:/root/.local/share/io.parity.ethereum/network/key:ro
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networks:
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my_net:
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ipv4_address: 172.16.0.13
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```
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* Make sure to assign a new `ipv4_address` address
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* Specify the new account address in the --engine-signer option
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* And add the name in the volumes section in the compose file:
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```
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volumes:
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validator0:
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validator1:
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validator2:
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validatorX:
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```
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* Generate a new bootnode key and add it here `docker-images/parity/parity/nodeX.network.key`
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* Get an enode address and add it in both `member.toml` and `validator.toml` files in the bootnodes list under `[network]`
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* Update the validators list in `chain.json` by adding the new account to the existing list
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## Notes
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* We ran into an issue with running smart contracts where a function in one contract fails if it calls a function of another contract
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* This problem is fixed by adding the following lines to the `chain.json` file to enable byzantium mode in the EVM:
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```
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"eip140Transition": 0,
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"eip211Transition": 0,
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"eip214Transition": 0,
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"eip658Transition": 0
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```
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* The problem is reported in `https://github.com/paritytech/parity/issues/8503` and `https://github.com/ethereum/solidity/issues/3969`
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## The ocean test net
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The private test net is running on Azure VM `ocn-hackaton` with ip address `40.115.16.244`
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To connect to the network, provide the ip address and use port `8545`
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To deploy keeper-contracts, use the following in your truffle.js file:
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```
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ocean_poa_net: {
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host: 'http://40.115.16.244',
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port: 8545,
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network_id: '*',
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gas: 6000000,
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from: "0x00bd138abd70e2f00903268f3db08f2d25677c9e"
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},
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``` |