Hydra CLI

A cli tool for running a Hydra query node

Install

Using npx:

$ alias hydra-cli='npx @subsquid/hydra-cli'

or install via npm:

npm install -g @subsquid/hydra-cli

and then

$ hydra-cli [COMMAND]

Quickstart

Run

$ hydra-cli scaffold

and answer the prompts. This will generate a sample project and README with setup instructions.

Commands

• hydra-cli codegen

• hydra-cli db:create

• hydra-cli db:create-migration [NAME]

• hydra-cli db:drop

• hydra-cli db:migrate

• hydra-cli db:new-migration [NAME]

• hydra-cli db:revert

• hydra-cli help [COMMAND]

• hydra-cli scaffold

hydra-cli codegen

Analyze graphql schema and generate model/server files

Analyze graphql schema and generate model/server files

USAGE
  $ hydra-cli codegen

OPTIONS
  -s, --schema=schema  [default: ./schema.graphql] Schema path, can be file or directory

hydra-cli db:create

Create target database

Create target database

USAGE
  $ hydra-cli db:create

hydra-cli db:create-migration [NAME]

Analyze database state and generate migration to match the current schema

Analyze database state and generate migration to match the current schema

USAGE
  $ hydra-cli db:create-migration [NAME]

hydra-cli db:drop

Drop target database

Drop target database

USAGE
  $ hydra-cli db:drop

hydra-cli db:migrate

Apply database migrations

Apply database migrations

USAGE
  $ hydra-cli db:migrate

hydra-cli db:new-migration [NAME]

Create a file for a new migration

Create a file for a new migration

USAGE
  $ hydra-cli db:new-migration [NAME]

hydra-cli db:revert

Revert the last performed migration

Revert the last performed migration

USAGE
  $ hydra-cli db:revert

hydra-cli help [COMMAND]

display help for hydra-cli

display help for <%= config.bin %>

USAGE
  $ hydra-cli help [COMMAND]

ARGUMENTS
  COMMAND  command to show help for

OPTIONS
  --all  see all commands in CLI

hydra-cli scaffold

Starter kit: generates a directory layout and a sample schema file

Starter kit: generates a directory layout and a sample schema file

USAGE
  $ hydra-cli scaffold

OPTIONS
  -a, --appPort=appPort          [default: 4000] GraphQL server port
  -b, --blockHeight=blockHeight  [default: 0] Start block height
  -d, --dir=dir                  [default: CWD] Project folder
  -h, --dbHost=dbHost            [default: localhost] Database host
  -i, --indexerUrl=indexerUrl    Hydra Indexer endpoint
  -n, --name=name                [default: hydra-scaffold] Project name
  -p, --dbPort=dbPort            [default: 5432] Database port
  -u, --dbUser=dbUser            [default: postgres] Database user
  -x, --dbPassword=dbPassword    [default: postgres] Database user password
  --rewrite                      Clear the folder before scaffolding
  --silent                       If present, the scaffolder is non-interactive and uses only provided CLI flags