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Content

Page URL

/fio-chain/overview

Page Title

FIO Protocol - FIO Chain Overview

Design

https://overflowwww.figma.iocom/sfile/063FS4KUn33HwJfIuwy068A7G0Bdpg/FIO-Website?type=design&node=4543c74a&prototype-id=576-5607

Section Content

FIO Chain Live

...

  • Current block: 202,826,624

  • Produced by: Detroit Ledger Technologies

  • Block transactions

    • Register FIO Crypto Handle: test@test

Actions

  • Search for transactions

L1 Chain purpose-built for usability

FIO Chain is a fully decentralized public Delegated Proof of Stake (DPoS) blockchain that is designed specifically to support the the unique usability requirements of the FIO Protocol.

Benefits and Innovations

Fast, Scalable and Open-source

Powered by Industry-leading open-source Antelope tech stack, built for speed and scale.

Learn More

Fully Decentralized

FIO Chain is a public blockchain ran by many independent Block Producers around the world, focused on the FIO Protocol’s usability mission.

Learn More

Properly Incentivized

The FIO Chain and its native FIO Token, enabled the creation of an innovative incentive system, which rewards ecosystem participants for acting in the best interest of the protocol.

Learn More

Gas-free for Most, Stable Fees for All

Every FIO Handle comes bundled with gas-free transactions, ensuring most users can interact with the FIO Chain without the complexities of gas fees. Fees for premium transactions are pegged to the rate of exchange of FIO Token to ensure price predictability.

Learn More

Auto-proxy

If users don’t participate in governance, their tokens are automatically proxied to the wallet creator, so that they can vote to best represent their users.

Learn More

Encrypted Data

Although the FIO Chain is public, details of user transactions are encrypted to ensure privacy.

Learn More

Security Audits

Multiple FIO Chain audits performed by:

https://cryptolions.io

https://www.sentnl.io/

https://www.halborn.com/

Continuously improving

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  • This content needs to refresh every 3 seconds

  • Show max 5 transactions and then start replacing the older ones

Content element

Endpoint

Request

Response

Latest Block Producer

GET https://fio.blockpane.com/v1/chain/get_info

N/A

Use head_block_producer to get Latest Block Producer account name

Code Block
{
    "server_version": "533ed469",
    "chain_id": "21dcae42c0182200e93f954a074011f9048a7624c6fe81d3c9541a614a88bd1c",
    "head_block_num": 208004440,
    "last_irreversible_block_num": 208004104,
    "last_irreversible_block_id": "0c65e40850aef57864d6ee3621b71cb90f40101628afa07a9b6dffc9ee124a41",
    "head_block_id": "0c65e5584c7f8b5901d1c3b54cd8a76afc27eb650bc21428b1a6a58dc7b8319b",
    "head_block_time": "2023-07-12T19:18:17.500",
    "head_block_producer": "hislmnfx13ya",
    "virtual_block_cpu_limit": 200000000,
    "virtual_block_net_limit": 1048576000,
    "block_cpu_limit": 199900,
    "block_net_limit": 1048576,
    "server_version_string": "v3.3.0",
    "fork_db_head_block_num": 208004440,
    "fork_db_head_block_id": "0c65e5584c7f8b5901d1c3b54cd8a76afc27eb650bc21428b1a6a58dc7b8319b"
}

POST https://fio.blockpane.com/v1/chain/get_table_rows

Always same

Code Block
{
    "json": true,
    "code": "eosio",
    "scope": "eosio",
    "table": "producers"
}
  1. Iterate through rows until you find owner which matches Last Block Producer account name from step above

  2. Use:

    1. fio_address as Block Producer Name

    2. url as Base URL to use in next step

Code Block
{
    "rows": [
        {
            "id": 0,
            "owner": "dacobcm2lnnc",
            "fio_address": "bp@thedac",
            "addresshash": "0x44ddade5cd4acba595ea2a42c23414b2",
            "total_votes": "298659819248324224.00000000000000000",
            "producer_public_key": "FIO8UxsfvX6QpjukrFqbaUMtT7WfeiXZRE26F4ATAwYjwZacUACNw",
            "is_active": 1,
            "url": "https://eosdac.io",
            "unpaid_blocks": 0,
            "last_claim_time": "2023-04-24T18:27:32.500",
            "last_bpclaim": 1682433093,
            "location": 10
        },
    ]
}

GET BASE URL /bp.json

N/A

Use:

  • orgwebsite as Website URL

  • orgbrandinglogo_svg as Logo

    • If image fails to load use generic “block” icon same as next to Last Block

  • orglocationcountry as Country

  • orgsocialtwitter as Twitter URL

    • Do not show icon if not present

  • orgsocialtelegram as Telegram URL

    • Do not show icon if not present

Code Block
languagejson
{
  "producer_account_name": "bp@blockpane",
  "org": {
    "candidate_name": "Block Pane",
    "website": "https://blockpane.com",
    "code_of_conduct":"https://blockpane.com/conduct/index.html",
    "ownership_disclosure":"https://blockpane.com/about/index.html",
    "email":"security@blockpane.com",
    "github_user":"blockpane",
    "chain_resources": "",
    "other_resources": [],
    "branding":{
      "logo_256":"https://blockpane.com/images/bp-256.png",
      "logo_1024":"https://blockpane.com/images/bp-1024.png",
      "logo_svg":"https://blockpane.com/images/blockpane.svg"
    },
    "location": {
      "name": "Colorado",
      "country": "USA",
      "latitude": 39.739235,
      "longitude": -104.990250
    },
    "social": {
      "keybase": "blockpane",
      "telegram": "blockpane",
      "github":"blockpane"
    }
  },
  "nodes": []
}

Latest Block

GET https://fio.blockpane.com/v1/chain/get_info

N/A

Use head_block_num

Code Block
{
    "server_version": "533ed469",
    "chain_id": "21dcae42c0182200e93f954a074011f9048a7624c6fe81d3c9541a614a88bd1c",
    "head_block_num": 208004440,
    "last_irreversible_block_num": 208004104,
    "last_irreversible_block_id": "0c65e40850aef57864d6ee3621b71cb90f40101628afa07a9b6dffc9ee124a41",
    "head_block_id": "0c65e5584c7f8b5901d1c3b54cd8a76afc27eb650bc21428b1a6a58dc7b8319b",
    "head_block_time": "2023-07-12T19:18:17.500",
    "head_block_producer": "hislmnfx13ya",
    "virtual_block_cpu_limit": 200000000,
    "virtual_block_net_limit": 1048576000,
    "block_cpu_limit": 199900,
    "block_net_limit": 1048576,
    "server_version_string": "v3.3.0",
    "fork_db_head_block_num": 208004440,
    "fork_db_head_block_id": "0c65e5584c7f8b5901d1c3b54cd8a76afc27eb650bc21428b1a6a58dc7b8319b"
}

Transactions

POST https://fio.blockpane.com/v1/chain/get_block

Use head_block_num from previous call

Code Block
languagejson
{
    "block_num_or_id":211471729
}

Iterate through transactions and use:

  • trxid as Transaction ID

  • trxtransactionactionsaccount as Contract

  • trxtransactionactionsname as Action

  • trxtransactionactionsdata as Data for overlay

Make entire transaction id in list and overlay link to: https://fio.bloks.io/transaction/Transaction ID

Code Block
{
    "timestamp": "2023-08-01T20:54:21.500",
    "producer": "hkzfdcxe11us",
    "confirmed": 0,
    "previous": "0c9acd700209ed7c07db7ffafb5d33f573dc5cc86da32b50ae9bfd529a13a229",
    "transaction_mroot": "fdbacf566dd051a4bb0585ff93a9ddc539fe238475df9c0e2178430b3d953f13",
    "action_mroot": "73d52b411115f553b93871926105f3b0c7c02b2ffc5db2e5c6e48ba7572143f6",
    "schedule_version": 344,
    "new_producers": null,
    "header_extensions": [],
    "producer_signature": "SIG_K1_KfzzrwZVE4ZRToxKCd4YJ4ULnNXmXeUc5RxPs6rDid5hqT1ecEJU56ZdofDZJd6qXLE3edvKfRJuF6apxHXsoJtA9RubKP",
    "transactions": [
        {
            "status": "executed",
            "cpu_usage_us": 11248,
            "net_usage_words": 25,
            "trx": {
                "id": "cdfd9053f804e5b57037802a9f406723ff92a177f5c92b355fdaf9ed04537544",
                "signatures": [
                    "SIG_K1_Kb8W4hLnEQ1xBf1mXz8VD44dC18De91APEGk5fuMW8szYrpHhq4Hf7T9Ke27iK9favSRYj141UJRPz47GH4cyTpiWhAbVf"
                ],
                "compression": "none",
                "packed_context_free_data": "",
                "context_free_data": [],
                "packed_trx": "ae71c96419cc84a6bf7b0000000001003056372503a85b0000c6eaa66498ba01f0d08101d981e4da0000c6eaa66498ba6a156a6b7434386164656c6c696f6e40747769747465723546494f383552763376726432713273514d35487378544852745162565a4c573744626841706b515567594772415a6f4475425754380098f73e5d010000f0d08101d981e4da0d64617368626f6172644066696f00",
                "transaction": {
                    "expiration": "2023-08-01T20:57:18",
                    "ref_block_num": 52249,
                    "ref_block_prefix": 2076157572,
                    "max_net_usage_words": 0,
                    "max_cpu_usage_ms": 0,
                    "delay_sec": 0,
                    "context_free_actions": [],
                    "actions": [
                        {
                            "account": "fio.address",
                            "name": "regaddress",
                            "authorization": [
                                {
                                    "actor": "vfmc3qc1kbcj",
                                    "permission": "regaddress"
                                }
                            ],
                            "data": {
                                "fio_address": "jkt48adellion@twitter",
                                "owner_fio_public_key": "FIO85Rv3vrd2q2sQM5HsxTHRtQbVZLW7DbhApkQUgYGrAZoDuBWT8",
                                "max_fee": 1500000000000,
                                "actor": "vfmc3qc1kbcj",
                                "tpid": "dashboard@fio"
                            },
                            "hex_data": "156a6b7434386164656c6c696f6e40747769747465723546494f383552763376726432713273514d35487378544852745162565a4c573744626841706b515567594772415a6f4475425754380098f73e5d010000f0d08101d981e4da0d64617368626f6172644066696f"
                        }
                    ],
                    "transaction_extensions": []
                }
            }
        }
    ],
    "block_extensions": [],
    "id": "0c9acd71926300f1c0aaaf185744a76b3dbf6f964da11b2ed520ec4dab087100",
    "block_num": 211471729,
    "ref_block_prefix": 414165696
}

Benefits and Innovations

Links will be added later