paygate

command module
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Published: Jul 23, 2019 License: Apache-2.0 Imports: 46 Imported by: 0

README

moov-io/paygate

GoDoc Build Status Coverage Status Go Report Card Apache 2 licensed

project is under active development and is not production ready

Moov Paygate is a RESTful API enabling Automated Clearing House (ACH) transactions to be submitted and received without a deep understanding of a full NACHA file specification.

Docs: docs.moov.io | api docs

Project Status

This project is currently pre-production and could change without much notice, however we are looking for community feedback so please try out our code or give us feedback!

Deployment

Paygate currently requires the following services to be deployed and available:

  • ACH (HTTP Server) via ACH_ENDPOINT
  • FED (HTTP Server) via FED_ENDPOINT
  • OFAC (HTTP Server) via OFAC_ENDPOINT
  • The X-User-Id (case insensntive) HTTP header is also required and we recommend using an auth proxy to set this. Paygate only expects this value to be unique and consistent to a user.

The following services are required by default, but can be disabled:

  • Accounts (HTTP server) via ACCOUNTS_ENDPOINT and disabled with ACCOUNTS_CALLS_DISABLED=yes
Docker image

You can download our docker image moov/paygate from Docker Hub or use this repository. No configuration is required to serve on :8082 and metrics at :9092/metrics in Prometheus format.

$ docker run -p 8082:8082 moov/paygate:latest
ts=2018-12-13T19:18:11.970293Z caller=main.go:55 startup="Starting paygate server version v0.5.1"
ts=2018-12-13T19:18:11.970391Z caller=main.go:59 main="sqlite version 3.25.2"
ts=2018-12-13T19:18:11.971777Z caller=database.go:88 sqlite="starting database migrations"
ts=2018-12-13T19:18:11.971886Z caller=database.go:97 sqlite="migration #0 [create table if not exists receivers(cus...] changed 0 rows"
... (more database migration log lines)
ts=2018-12-13T19:18:11.97221Z caller=database.go:100 sqlite="finished migrations"
ts=2018-12-13T19:18:11.974316Z caller=main.go:96 ach="Pong successful to ACH service"
ts=2018-12-13T19:18:11.975093Z caller=main.go:155 transport=HTTP addr=:8082
ts=2018-12-13T19:18:11.975177Z caller=main.go:124 admin="listening on :9092"

$ curl -XPOST -H "x-user-id: test" localhost:8082/originators --data '{...}'
Local development

We support a Docker Compose environment in paygate that can be used to launch the entire Moov stack. After setup launching the stack is the following steps and we offer a testing utility apitest from the moov-io/api repository.

$ docker-compose up -d
paygate_ach_1 is up-to-date
paygate_ofac_1 is up-to-date
Recreating paygate_accounts_1 ...
paygate_fed_1 is up-to-date
Recreating paygate_accounts_1 ... done
Recreating paygate_paygate_1  ... done

# Run Moov's testing utility
$ apitest -local
2019/06/10 21:18:06.117261 main.go:61: Starting apitest v0.9.5
2019/06/10 21:18:06.117293 main.go:133: Using http://localhost as base API address
...
2019/06/10 21:18:06.276443 main.go:218: SUCCESS: Created user b1f2671bbed52ed6da88f16ce467cadecb0ee1b6 (email: festive.curran27@example.com)
...
2019/06/10 21:18:06.607817 main.go:218: SUCCESS: Created USD 204.71 transfer (id=b7ecb109574187ff726ba48275dcf88956c26841) for user
Build from source

PayGate orchestrates several services that depend on Docker and additional GoLang libraries to run. Paygate leverages Go Modules to manage dependencies. Ensure that your build environment is running Go 1.11 or greater and the environment variable export GO111MODULE=on is set. PayGate depends on other Docker containers that will be downloaded for testing and running the service. Ensure Docker is installed and running.

$ cd moov/paygate # wherever this project lives

$ go run .
ts=2018-12-13T19:18:11.970293Z caller=main.go:55 startup="Starting paygate server version v0.5.1"
ts=2018-12-13T19:18:11.970391Z caller=main.go:59 main="sqlite version 3.25.2"
ts=2018-12-13T19:18:11.971777Z caller=database.go:88 sqlite="starting database migrations"
ts=2018-12-13T19:18:11.971886Z caller=database.go:97 sqlite="migration #0 [create table if not exists receivers(cus...] changed 0 rows"
... (more database migration log lines)
ts=2018-12-13T19:18:11.97221Z caller=database.go:100 sqlite="finished migrations"
ts=2018-12-13T19:18:11.974316Z caller=main.go:96 ach="Pong successful to ACH service"
ts=2018-12-13T19:18:11.975093Z caller=main.go:155 transport=HTTP addr=:8082
ts=2018-12-13T19:18:11.975177Z caller=main.go:124 admin="listening on :9092"
Configuration

The following environmental variables can be set to configure behavior in paygate.

  • ACH_ENDPOINT: DNS record responsible for routing us to an ACH instance. If running as part of our local development setup (or in a Kubernetes cluster we setup) you won't need to set this.
  • ACCOUNTS_ENDPOINT: A DNS record responsible for routing us to an Accounts instance. (Example: http://accounts.apps.svc.cluster.local:8080)
    • Set ACCOUNTS_CALLS_DISABLED=yes to completely disable all calls to an Accounts service. This is used when paygate doesn't need to integrate with a general ledger solution.
  • FED_ENDPOINT: HTTP address for FED interaction to lookup ABA routing numbers
  • OFAC_ENDPOINT: HTTP address for OFAC interaction, defaults to Kubernetes inside clusters and local dev otherwise.
  • OFAC_MATCH_THRESHOLD: Percent match against OFAC data that's required for paygate to block a transaction.
  • DATABASE_TYPE: Which database option to use (options: sqlite [Default], mysql)
    • See Storage header below for per-database configuration
ACH file uploading / transfers
  • ACH_FILE_BATCH_SIZE: Number of Transfers to retrieve from the database in each batch for mergin before upload to Fed.
  • ACH_FILE_TRANSFER_INTERVAL: Go duration for how often to check and sync ACH files on their SFTP destinations.
    • Note: Set the value off to completely disable async file downloads and uploads.
  • ACH_FILE_STORAGE_DIR: Filepath for temporary storage of ACH files. This is used as a scratch directory to manage outbound and incoming/returned ACH files.
  • FORCED_CUTOFF_UPLOAD_DELTA: When the current time is within the routing number's cutoff time by duration force that file to be uploaded.

See our detailed documentation for SFTP configurations.

Micro Deposits

In order to validate Depositories and transfer money paygate must submit small deposits and credits and have someone confirm the amounts manually. This is only required once per Depository. The configuration options for paygate are below and are all required:

  • ODFI_ACCOUNT_NUMBER: Account Number of Financial Institution which is originating micro deposits.
  • ODFI_BANK_NAME: Legal name of Financial Institution which is originating micro deposits.
  • ODFI_HOLDER: Legal name of Financial Institution which is originating micro deposits.
  • ODFI_IDENTIFICATION: Number by which the customer is known to the Financial Institution originating micro deposits.
  • ODFI_ROUTING_NUMBER: ABA routing number of Financial Institution which is originating micro deposits.
Storage

Based on DATABASE_TYPE the following environment variables will be read to configure connections for a specific database.

MySQL
  • MYSQL_ADDRESS: TCP address for connecting to the mysql server. (example: tcp(hostname:3306))
  • MYSQL_DATABASE: Name of database to connect into.
  • MYSQL_PASSWORD: Password of user account for authentication.
  • MYSQL_USER: Username used for authentication,
SQLite
  • SQLITE_DB_PATH: Local filepath location for the paygate SQLite database.

Getting Help

channel info
Project Documentation Our project documentation available online.
Google Group moov-users The Moov users Google group is for contributors other people contributing to the Moov project. You can join them without a google account by sending an email to moov-users+subscribe@googlegroups.com. After receiving the join-request message, you can simply reply to that to confirm the subscription.
Twitter @moov_io You can follow Moov.IO's Twitter feed to get updates on our project(s). You can also tweet us questions or just share blogs or stories.
GitHub Issue If you are able to reproduce an problem please open a GitHub Issue under the specific project that caused the error.
moov-io slack Join our slack channel to have an interactive discussion about the development of the project. Request an invite to the slack channel

Supported and Tested Platforms

  • 64-bit Linux (Ubuntu, Debian), macOS, and Windows

Contributing

Yes please! Please review our Contributing guide and Code of Conduct to get started!

Paygate includes several "long" tests which spawn Docker containers, make requests over the internet, and perform more complicated tests. To skip these long tests add the -short flag to go test.

Note: This project uses Go Modules, which requires Go 1.11 or higher, but we ship the vendor directory in our repository.

Test Coverage

Improving test coverage is a good candidate for new contributors while also allowing the project to move more quickly by reducing regressions issues that might not be caught before a release is pushed out to our users. One great way to improve coverage is by adding edge cases and different inputs to functions (or contributing and running fuzzers).

Tests can run processes (like sqlite databases), but should only do so locally.

Each PR should increase the overall coverage, if possible. You can run make cover-test to save a coverage profile and make cover-web to open the HTML view in your default browser.

License

Apache License 2.0 See LICENSE for details.

Documentation

The Go Gopher

There is no documentation for this package.

Directories

Path Synopsis
internal
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