fix: filter tokens in prices which do not exist on the network

[dekz]

Description

Prevent the sampler being queried for tokens which aren't relevant to the network.

{
  "records": [
    {
      "symbol": "DAI",
      "price": "0.004393625785289904"
    },
    {
      "symbol": "REP",
      "price": "0.076538996520002342"
    },
    {
      "symbol": "ZRX",
      "price": "0.001540893389947478"
    },
    {
      "symbol": "USDC",
      "price": "0.004377"
    },
    {
      "symbol": "BAT",
      "price": "0.001012320828012612"
    },
    {
      "symbol": "MKR",
      "price": "2.291829546186608791"
    },
    {
      "symbol": "WBTC",
      "price": "41.0183714"
    },
    {
      "symbol": "SNX",
      "price": "0.005889644261233945"
    },
    {
      "symbol": "SUSD",
      "price": "0.004335665696650417"
    },
    {
      "symbol": "KNC",
      "price": "0.005649200762120254"
    },
    {
      "symbol": "BNT",
      "price": "0.00382540038818005"
    },
    {
      "symbol": "GNO",
      "price": "0.132973201495201436"
    },
    {
      "symbol": "LINK",
      "price": "0.018326004433407458"
    },
    {
      "symbol": "REN",
      "price": "0.000515010322100098"
    },
    {
      "symbol": "OMG",
      "price": "0.006104994303656681"
    },
    {
      "symbol": "ANT",
      "price": "0.005340941438739387"
    },
    {
      "symbol": "SAI",
      "price": "0.005138907154811671"
    },
    {
      "symbol": "CVL",
      "price": "0.000015167807600922"
    },
    {
      "symbol": "DTH",
      "price": "0.000010279834814145"
    },
    {
      "symbol": "FOAM",
      "price": "0.000076406549692151"
    },
    {
      "symbol": "AST",
      "price": "0.0002"
    },
    {
      "symbol": "GEN",
      "price": "0.00040919369188536"
    },
    {
      "symbol": "STORJ",
      "price": "0.00083755"
    },
    {
      "symbol": "MANA",
      "price": "0.000183541949676556"
    },
    {
      "symbol": "ENTRP",
      "price": "0.006636527197738544"
    },
    {
      "symbol": "LOOM",
      "price": "0.0000934146310997"
    },
    {
      "symbol": "CELR",
      "price": "0.000016480243365516"
    },
    {
      "symbol": "RLC",
      "price": "0.002718821"
    },
    {
      "symbol": "DGD",
      "price": "0.562166107"
    },
    {
      "symbol": "ZIL",
      "price": "0.000086676098"
    },
    {
      "symbol": "cBAT",
      "price": "0.00001801"
    },
    {
      "symbol": "cDAI",
      "price": "0.00008833"
    },
    {
      "symbol": "cSAI",
      "price": "0.00010747"
    },
    {
      "symbol": "cETH",
      "price": "0.02335214"
    },
    {
      "symbol": "cUSDC",
      "price": "0.00009306"
    },
    {
      "symbol": "cZRX",
      "price": "0.00004083"
    },
    {
      "symbol": "0xBTC",
      "price": "0.00044409"
    },
    {
      "symbol": "SNT",
      "price": "0.000112094322457333"
    },
    {
      "symbol": "SPANK",
      "price": "0.000011844192643364"
    },
    {
      "symbol": "BOOTY",
      "price": "0.005583210338351067"
    },
    {
      "symbol": "UBT",
      "price": "0.00162899"
    },
    {
      "symbol": "NMR",
      "price": "0.103799658070175002"
    },
    {
      "symbol": "GUSD",
      "price": "0.01"
    },
    {
      "symbol": "FUN",
      "price": "0.00001683"
    },
    {
      "symbol": "PAX",
      "price": "0.004352530171682399"
    },
    {
      "symbol": "TUSD",
      "price": "0.004209231256068745"
    },
    {
      "symbol": "LPT",
      "price": "0.01367893869282949"
    },
    {
      "symbol": "ENJ",
      "price": "0.00074753598647237"
    },
    {
      "symbol": "POWR",
      "price": "0.000421"
    },
    {
      "symbol": "REQ",
      "price": "0.000073354639301016"
    },
    {
      "symbol": "DNT",
      "price": "0.000025122993832038"
    },
    {
      "symbol": "MATIC",
      "price": "0.000100578952456613"
    },
    {
      "symbol": "LRC",
      "price": "0.00039352319384783"
    },
    {
      "symbol": "RDN",
      "price": "0.001012161449061757"
    },
    {
      "symbol": "USDT",
      "price": "0.004286"
    },
    {
      "symbol": "GST2",
      "price": "0.03"
    },
    {
      "symbol": "COMP",
      "price": "1.188481296128390702"
    }
  ]
}

Testing Instructions

Checklist

• Update documentation as needed. Website Documentation PR:
• Prefix PR title with [WIP] if necessary.
• Add tests to cover changes as needed.

[dekz]

deploy staging

[dekz]

deploy production

[github-actions]

🎉 This PR is included in version 1.9.0 🎉

The release is available on:

• GitHub release
• v1.9.0

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