forked from cerc-io/ipld-eth-server
5e64283a12
* Add ability to fetch logs for a contract and a block * Test contract related code against Infura, so can run on Travis * Add godo task for getLogs
115 lines
3.9 KiB
Markdown
115 lines
3.9 KiB
Markdown
# Vulcanize DB
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[](https://travis-ci.com/8thlight/vulcanizedb)
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## Development Setup
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### Dependencies
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- Go 1.9+
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- https://github.com/golang/dep
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- `go get -u github.com/golang/dep/cmd/dep`
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- https://github.com/go-godo/godo
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- `go get -u gopkg.in/godo.v2/cmd/godo`
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- Postgres 10
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### Cloning the Repository
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1. `git config --global url."git@github.com:".insteadOf "https://github.com/"`
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- By default, `go get` does not work for private GitHub repos. This will fix that.
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2. `go get github.com/8thlight/vulcanizedb`
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3. `go get github.com/ethereum/go-ethereum`
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- This will take a while and gives poor indication of progress.
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4. `go install github.com/ethereum/go-ethereum/cmd/geth`
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5. `cd $GOPATH/src/github.com/8thlight/vulcanizedb`
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6. `dep ensure`
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### Setting up the Databases
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1. Install Postgres
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2. Create a superuser for yourself and make sure `psql --list` works without prompting for a password.
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3. `go get -u -d github.com/mattes/migrate/cli github.com/lib/pq`
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4. `go build -tags 'postgres' -o /usr/local/bin/migrate github.com/mattes/migrate/cli`
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5. `createdb vulcanize_private`
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6. `cd $GOPATH/src/github.com/8thlight/vulcanizedb`
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7. `godo migrate -- --environment=<some-environment>`
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* See below for configuring additional environments
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Adding a new migration: `./scripts/create_migration <migration-name>`
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### Creating/Using a Private Blockchain
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Syncing the public blockchain takes many hours for the initial sync and will download 20+ GB of data.
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Here are some instructions for creating a private blockchain that does not depend on having a network connection.
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1. Run `./scripts/setup` to create a private blockchain with a new account.
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* This will result in a warning.
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2. Run `./scripts/start_private_blockchain`.
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3. Run `godo run -- --environment=private` to start listener.
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### Connecting to the Public Blockchain
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`./scripts/start_blockchain`
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### IPC File Paths
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The default location for Ethereum is:
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- `$HOME/Library/Ethereum` for Mac
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- `$HOME/.ethereum` for Ubuntu
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- `$GOPATH/src/gihub.com/8thlight/vulcanizedb/test_data_dir/geth.ipc` for private blockchain.
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**Note the location of the ipc file is outputted when you connect to a blockchain. It is needed to for configuration**
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## Running Listener
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1. Start a blockchain.
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2. In a separate terminal start listener (ipcDir location)
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- `godo run -- --environment=<some-environment>`
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## Retrieving Historical Data
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1. Start a blockchain.
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2. In a separate terminal start listener (ipcDir location)
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- `godo populateBlocks -- --environment=<some-environment> --starting-number=<starting-block-number>`
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## Retrieve Contract Attributes
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1. Add contract ABI to contracts / environment directory:
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```
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vulcanizedb/
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contracts/
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public/
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<contract-address>.json
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private/
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```
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The name of the JSON file should correspond the contract's address.
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2. Start watching the contract `godo watchContract -- --environment=<some-environment> --contract-hash=<contract-address>`
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3. Request summary data `godo showContractSummary -- --environment=<some-environment> --contract-hash=<contract-address>`
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## Retrieving Contract Logs
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1. Get the logs
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- `godo getLogs -- --environment=<some-environment> --contract-hash=<contract-address> --starting-number=<starting-block-number>`
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### Configuring Additional Environments
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You can create configuration files for additional environments.
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* Among other things, it will require the IPC file path
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* See `environments/private.toml` for an example
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* You will need to do this if you want to run a node connecting to the public blockchain
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## Running the Tests
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### Integration Test
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In order to run the integration tests, you will need to run them against a real blockchain.
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1. Run `./scripts/start_private_blockchain` as a separate process.
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2. `go test ./...` to run all tests.
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### Unit Tests
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1. `go test ./pkg/...`
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