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@dipdup/metadata

v0.1.0

Published

GQL client for Tezos contract & token metadata API

Downloads

5

Readme

Metadata indexer

Tests Docker images Made With License: MIT

Selective Tezos metadata indexer based on DipDup framework.
Supported features:

  • TZIP-16 contract metadata
  • TZIP-12 token metadata
  • IPFS file pinning
  • Token thumbnails generating (and uploading to AWS)
  • Elasicsearch mode

Configuration

Fully compatible with DipDup YAML configuration file format. Metadata indexer reuses datasources, contracts, database, hasura sections, and reads its own settings from metadata top-level section.

Read more in the docs.

GQL client

Installation

npm i @dipdup/metadata

Usage

First of all you need to create an instance of metadata client:

import { createClient } from '@dipdup/metadata'

const client = createClient({
    url: 'http://metadata.dipdup.net/v1/graphql',
    subscription: {
        url: "wss://metadata.dipdup.net/v1/graphql"
    }
});

Query

import { everything } from '@dipdup/metadata'

client.chain.query
    .token_metadata({
        where: { 
            contract: { _eq: 'KT1RJ6PbjHpwc3M5rw5s2Nbmefwbuwbdxton' },
            token_id: { _eq: 100000 }
        }
    })
    .get({ ...everything })
    .then(res => console.log)

Subscription (live query)

const { unsubscribe } = client.chain.subscription
    .token_metadata({
        where: { 
            contract: { _eq: 'KT1RJ6PbjHpwc3M5rw5s2Nbmefwbuwbdxton' },
            created_at: { _gt: '2021-07-06T00:00:00' }
        }
    })
    .get({ ...everything })
    .subscribe({
        next: res => console.log
    })

Maintenance

Refetch recent metadata

This is not a permanent solution, rather an ad-hoc command to fix recent fetch errors. Adjust the data accordingly or remove time condition.

UPDATE token_metadata
SET retry_count=0, status=1
WHERE created_at > 1646082000 AND metadata ISNULL