121 lines
5.7 KiB
Markdown
121 lines
5.7 KiB
Markdown
# Vulcanize DB
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[](https://gitter.im/vulcanizeio/VulcanizeDB?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
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[](https://travis-ci.org/vulcanize/vulcanizedb)
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## About
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Vulcanize DB is a set of tools that make it easier for developers to write application-specific indexes and caches for dapps built on Ethereum.
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## Dependencies
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- Go 1.9+
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- Postgres 10
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- Ethereum Node
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- [Go Ethereum](https://ethereum.github.io/go-ethereum/downloads/) (1.8+)
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- [Parity 1.8.11+](https://github.com/paritytech/parity/releases)
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## Installation
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`go get github.com/vulcanize/vulcanizedb`
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## Setting up the Database
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1. Install Postgres
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1. Create a superuser for yourself and make sure `psql --list` works without prompting for a password.
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1. `createdb vulcanize_public`
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1. `cd $GOPATH/src/github.com/vulcanize/vulcanizedb`
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1. Run the migrations: `make migrate HOST_NAME=localhost NAME=vulcanize_public PORT=5432`
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* See below for configuring additional environments
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## Create a migration file (up and down)
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1. ./script/create_migrate create_bite_table
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## Configuration
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- To use a local Ethereum node, copy `environments/public.toml.example` to
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`environments/public.toml` and update the `ipcPath` and `levelDbPath`.
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- `ipcPath` should match the local node's IPC filepath:
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- when using geth:
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- The IPC file is called `geth.ipc`.
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- The geth IPC file path is printed to the console when you start geth.
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- The default location is:
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- Mac: `$HOME/Library/Ethereum`
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- Linux: `$HOME/.ethereum`
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- when using parity:
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- The IPC file is called `jsonrpc.ipc`.
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- The default location is:
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- Mac: `$HOME/Library/Application\ Support/io.parity.ethereum/`
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- Linux: `$HOME/.local/share/io.parity.ethereum/`
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- `levelDbPath` should match Geth's chaindata directory path.
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- The geth LevelDB chaindata path is printed to the console when you start geth.
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- The default location is:
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- Mac: `$HOME/Library/Ethereum/geth/chaindata`
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- Linux: `$HOME/.ethereum/geth/chaindata`
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- `levelDbPath` is irrelevant (and `coldImport` is currently unavailable) if only running parity.
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- See `environments/infura.toml` to configure commands to run against infura, if a local node is unavailable.
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- Copy `environments/local.toml.example` to `environments/local.toml` to configure commands to run against a local node such as [Ganache](https://truffleframework.com/ganache) or [ganache-cli](https://github.com/trufflesuite/ganache-clihttps://github.com/trufflesuite/ganache-cli).
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## Start syncing with postgres
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Syncs VulcanizeDB with the configured Ethereum node, populating blocks, transactions, receipts, and logs.
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This command is useful when you want to maintain a broad cache of what's happening on the blockchain.
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1. Start Ethereum node (**if fast syncing your Ethereum node, wait for initial sync to finish**)
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1. In a separate terminal start VulcanizeDB:
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- `./vulcanizedb sync --config <config.toml> --starting-block-number <block-number>`
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## Alternatively, sync from Geth's underlying LevelDB
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Sync VulcanizeDB from the LevelDB underlying a Geth node.
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1. Assure node is not running, and that it has synced to the desired block height.
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1. Start vulcanize_db
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- `./vulcanizedb coldImport --config <config.toml> --starting-block-number <block-number> --ending-block-number <block-number>`
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1. Optional flags:
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- `--starting-block-number`/`-s`: block number to start syncing from
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- `--ending-block-number`/`-e`: block number to sync to
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- `--all`/`-a`: sync all missing blocks
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## Alternatively, sync in "light" mode
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Syncs VulcanizeDB with the configured Ethereum node, populating only block headers.
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This command is useful when you want a minimal baseline from which to track targeted data on the blockchain (e.g. individual smart contract storage values).
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1. Start Ethereum node
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1. In a separate terminal start VulcanizeDB:
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- `./vulcanizedb lightSync --config <config.toml> --starting-block-number <block-number>`
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## Backfill Maker event logs from light sync
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Backfills Maker event logs from the configured Ethereum node based on the populated block headers.
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This includes logs related to auctions, multi-collateral dai, and price feeds.
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This command requires that a light sync (see command above) has previously been run.
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_Since auction/mcd contracts have not yet been deployed, this command will need to be run a local blockchain at the moment. As such, a new environment file will need to be added. See `environments/local.toml.example`._
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1. Start Ethereum node
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1. In a separate terminal run the backfill command:
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- `./vulcanizedb backfillMakerLogs --config <config.toml>`
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## Start full environment in docker by single command
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### Geth Rinkeby
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make command | description
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------------------- | ----------------
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rinkeby_env_up | start geth, postgres and rolling migrations, after migrations done starting vulcanizedb container
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rinkeby_env_deploy | build and run vulcanizedb container in rinkeby environment
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rinkeby_env_migrate | build and run rinkeby env migrations
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rinkeby_env_down | stop and remove all rinkeby env containers
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Success run of the VulcanizeDB container require full geth state sync,
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attach to geth console and check sync state:
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```bash
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$ docker exec -it rinkeby_vulcanizedb_geth geth --rinkeby attach
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...
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> eth.syncing
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false
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```
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If you have full rinkeby chaindata you can move it to `rinkeby_vulcanizedb_geth_data` docker volume to skip long wait of sync.
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## Running the Tests
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- `make test`
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- Note: requires Ganache chain setup and seeded with `flip-kick.js` and `frob.js` (in that order)
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