ipld-eth-server/README.md

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# Vulcanize DB
[![Build Status](https://travis-ci.com/8thlight/vulcanizedb.svg?token=GKv2Y33qsFnfYgejjvYx&branch=master)](https://travis-ci.com/8thlight/vulcanizedb)
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## Development Setup
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### Dependencies
- Go 1.9+
- https://github.com/golang/dep
- `go get -u github.com/golang/dep/cmd/dep`
- https://github.com/go-godo/godo
- `go get -u gopkg.in/godo.v2/cmd/godo`
- 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`
- This will take a while and gives poor indication of progress.
4. `go install github.com/ethereum/go-ethereum/cmd/geth`
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5. `cd $GOPATH/src/github.com/8thlight/vulcanizedb`
6. `dep ensure`
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### Setting up the Databases
1. Install Postgres
2. Create a superuser for yourself and make sure `psql --list` works without prompting for a password.
3. `go get -u -d github.com/mattes/migrate/cli github.com/lib/pq`
4. `go build -tags 'postgres' -o /usr/local/bin/migrate github.com/mattes/migrate/cli`
5. `createdb vulcanize_private`
6. `cd $GOPATH/src/github.com/8thlight/vulcanizedb`
7. `godo migrate -- --environment=<some-environment>`
* See below for configuring additional environments
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Adding a new migration: `./scripts/create_migration <migration-name>`
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### Creating/Using a Private Blockchain
Syncing the public blockchain takes many hours for the initial sync and will download 20+ GB of data.
Here are some instructions for creating a private blockchain that does not depend on having a network connection.
1. Run `./scripts/setup` to create a private blockchain with a new account.
* This will result in a warning.
2. Run `./scripts/start_private_blockchain`.
3. Run `godo run -- --environment=private` to start listener.
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### Connecting to the Public Blockchain
`./scripts/start_blockchain`
### IPC File Paths
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The default location for Ethereum is:
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- `$HOME/Library/Ethereum` for Mac
- `$HOME/.ethereum` for Ubuntu
- `$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
1. Start a blockchain.
2. In a separate terminal start listener (ipcDir location)
- `godo run -- --environment=<some-environment>`
### Configuring Additional Environments
You can create configuration files for additional environments.
* Among other things, it will require the IPC file path
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* See `pkg/config/environments/private.toml` for an example
* 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.
### Unit Tests
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1. `go test ./pkg/...`