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README.md

watcher-ts

Setup

This project uses yarn workspaces.

Install packages (Node.JS v15.11.0):

yarn

Services

The default config files used by the watchers assume the following services are setup and running on localhost:

vulcanize/go-ethereum on port 8545
vulcanize/ipld-eth-server with native GQL API enabled, on port 8082
postgraphile on the vulcanize/ipld-eth-server database, on port 5000

Note

In vulcanize/ipld-eth-server, add the following statement to [ethereum] section in environments/config.toml:

chainConfig = "./chain.json" # ETH_CHAIN_CONFIG

Databases

Note: Requires postgres12.

sudo su - postgres

Create the databases for the watchers:

createdb erc20-watcher
createdb address-watcher
createdb uni-watcher
createdb uni-info-watcher

Create the databases for the job queues and enable the pgcrypto extension on them (https://github.com/timgit/pg-boss/blob/master/docs/usage.md#intro):

createdb erc20-watcher-job-queue
createdb address-watcher-job-queue
createdb uni-watcher-job-queue
createdb uni-info-watcher-job-queue

postgres@tesla:~$ psql -U postgres -h localhost erc20-watcher-job-queue
Password for user postgres:
psql (12.7 (Ubuntu 12.7-1.pgdg18.04+1))
SSL connection (protocol: TLSv1.3, cipher: TLS_AES_256_GCM_SHA384, bits: 256, compression: off)
Type "help" for help.

erc20-watcher-job-queue=# CREATE EXTENSION pgcrypto;
CREATE EXTENSION
erc20-watcher-job-queue=# exit

postgres@tesla:~$ psql -U postgres -h localhost address-watcher-job-queue
Password for user postgres:
psql (12.7 (Ubuntu 12.7-1.pgdg18.04+1))
SSL connection (protocol: TLSv1.3, cipher: TLS_AES_256_GCM_SHA384, bits: 256, compression: off)
Type "help" for help.

address-watcher-job-queue=# CREATE EXTENSION pgcrypto;
CREATE EXTENSION
address-watcher-job-queue=# exit

postgres@tesla:~$ psql -U postgres -h localhost uni-watcher-job-queue
Password for user postgres:
psql (12.7 (Ubuntu 12.7-1.pgdg18.04+1))
SSL connection (protocol: TLSv1.3, cipher: TLS_AES_256_GCM_SHA384, bits: 256, compression: off)
Type "help" for help.

uni-watcher-job-queue=# CREATE EXTENSION pgcrypto;
CREATE EXTENSION
uni-watcher-job-queue=# exit

postgres@tesla:~$ psql -U postgres -h localhost uni-info-watcher-job-queue
Password for user postgres:
psql (12.7 (Ubuntu 12.7-1.pgdg18.04+1))
SSL connection (protocol: TLSv1.3, cipher: TLS_AES_256_GCM_SHA384, bits: 256, compression: off)
Type "help" for help.

uni-info-watcher-job-queue=# CREATE EXTENSION pgcrypto;
CREATE EXTENSION
uni-info-watcher-job-queue=# exit

Reset

Reset the databases used by the watchers:

yarn db:reset

Run

Build the files in packages:

yarn build

# To watch for changes and build (used in development).
yarn build:watch

To run any watcher, cd into their package folder and run:

yarn server

If the watcher uses a job queue, start the job runner in another terminal:

yarn job-runner