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Hyperion HTTP API Javascript library

Installation

Using Yarn:

yarn add @proton/hyperion

or using NPM:

npm install --save @proton/hyperion

Quick Start

CommonJS

const { JsonRpc } = require("@proton/hyperion")
const fetch = require("isomorphic-fetch")

const endpoint = "https://eos.hyperion.eosrio.io"
const rpc = new JsonRpc(endpoint, { fetch })

TypeScript

import { JsonRpc } from "@proton/hyperion"
import fetch from "isomorphic-fetch"

const endpoint = "https://eos.hyperion.eosrio.io"
const rpc = new JsonRpc(endpoint, { fetch })

ENV Variables

HYPERION_ENDPOINT=<Enter Hyperion Endpoint>  # "https://eos.hyperion.eosrio.io"

Supported Endpoints

# State
/v2/state/alive
/v2/state/get_key_accounts
/v2/state/get_tokens
/v2/state/get_voters
/v2/state/get_links

# History
/v2/history/get_abi_snapshot
/v2/history/get_actions
/v2/history/get_created_accounts
/v2/history/get_creator
/v2/history/get_deltas
/v2/history/get_transacted_accounts
/v2/history/get_transaction
/v2/history/get_transfers

API

Table of Contents

JsonRpc

JsonRpc

Parameters

  • endpoint string hyperion endpoint

Examples

const endpoint = "https://br.eosrio.io"
const rpc = new JsonRpc(endpoint, { fetch })

alive

GET /v2/state/alive

simple server healthcheck

Examples
const response = await rpc.alive();
console.log(response);
// => {"status": "OK"}

Returns Promise<Alive> alive

get_abi_snapshot

GET /v2/history/get_abi_snapshot

fetch contract abi at specific block

Parameters
  • contract string contract account
  • block
  • number number target block
Examples
const response = await rpc.get_abi_snapshot("eosio", 200);
console.log(response.version);
// => "eosio::abi/1.0"

for (const table of response.tables) {
    console.log(table);
    // => { name: 'producers', index_type: 'i64', key_names: [ 'owner' ], key_types: [ 'uint64' ], type: 'producer_info' }
}

Returns Promise<GetAbiSnapshot> abi snapshot

get_voters

GET /v2/state/get_voters

get voters

Parameters
  • options object Optional parameters (optional, default {})
    • options.producer string? filter by voted producer (comma separated)
    • options.proxy boolean? true or false
    • options.skip number? skip [n] actions (pagination)
    • options.limit number? limit of [n] actions per page
Examples
const response = await rpc.get_voters({ producer: "eoscafeblock", limit: 100 });
console.log(response.voters);
// => "[{
//   "account": "guzdkmrtgage",
//   "weight": 78434695236505280,
//   "last_vote": 64804768
// }]"

Returns Promise<GetVoters> voters

get_links

GET /v2/state/get_links

get voters

Parameters
  • account string? account to get links for
Examples
const response = await rpc.get_links("eoscafeblock");
console.log(response.links);
// => "[{
"block_num":26088072,
"timestamp":"2019-11-22T23:17:42.000",
"account":"eosriobrazil",
"permission":"claim2",
"code":"eosio",
"action":"voteproducer"
}]"

Returns Promise<GetLinks> links

get_proposals

GET /v2/state/get_proposals

get proposals

Parameters
  • options object Optional parameters (optional, default {})
    • options.proposer string? filter by proposer
    • options.proposal string? filter by proposal name
    • options.account string? filter by either requested or provided account
    • options.requested string? filter by requested account
    • options.provided string? filter by provided account
    • options.track string? total results to track (count) [number or true]
    • options.skip number? skip [n] actions (pagination)
    • options.limit number? limit of [n] actions per page
  • account string? account to get proposals for

Returns Promise<GetProposals> proposals

get_actions

GET /v2/history/get_actions

get actions based on notified account

Parameters
  • account string notified account
  • options object Optional parameters (optional, default {})
    • options.filter string? code::name filter
    • options.skip number? skip [n] actions (pagination)
    • options.limit number? limit of [n] actions per page
    • options.sort string? sort direction
    • options.after string? filter after specified date (ISO8601)
    • options.before string? filter before specified date (ISO8601)
    • options.transfer_to string? transfer filter to
    • options.transfer_from string? transfer filter from
    • options.transfer_symbol string? transfer filter symbol
    • options.act_name string? act name
    • options.act_account string? act account
Examples
const response = await rpc.get_actions("eoscafeblock", {
    filter: "eosio.token:*",
    skip: 100,
    limit: 100,
});

for (const action of response.actions) {
    console.log(action);
    // => { act: { account: 'eosio.token', name: 'transfer', ... } }
}

Returns Promise<GetActions> get actions

get_created_accounts

GET /v2/history/get_created_accounts

get created accounts

Parameters
  • account string created account
Examples
const response = await rpc.get_created_accounts("eosnationftw");
console.log(response);
// => {"accounts": [{"name":"eosnationdsp","trx_id":"728d4a4da36a98d9048080461dacaf975ad083e8158ef84edea60cc755ab2c1a","timestamp":"2019-02-28T22:36:45.000"}, ... ]}

Returns Promise<GetCreatedAccounts> get creator

get_creator

GET /v2/history/get_creator

get creator

Parameters
  • account string created account
Examples
const response = await rpc.get_creator("eosnationftw");
console.log(response);
// => { account: 'eosnationftw', creator: 'gyztcmrvgqge', timestamp: '2018-06-10T13:06:43.500', ... }

Returns Promise<GetCreator> get creator

get_deltas

GET /v2/history/get_deltas

get deltas

Parameters
Examples
const response = await rpc.get_deltas("eosio.token", "eosnationftw", "accounts", "eosnationftw");
console.log(response);
// => { "query_time": 19, "total": { "value": 486, "relation": "eq" }, "deltas": [ ... ] }

Returns Promise<GetDeltas> get deltas

get_table_state

[GET /v2/history/get_table_state](https://eos.hyperion.eosrio.io/v2/docs/static/index.html#/history/get_v2_history_get_table_state

get table state

Parameters
  • code string contract account
  • table string table name
  • block_num string target block
  • after_key string last key for pagination
Examples
const response = await rpc.get_table_state("eosio.token", "stat", "1000", "");
console.log(response);
// => { "query_time": 19, "code": "eosio.token", "table": "stat", "block_num": 1000, "next_key": "........ehbo5-5459781",, "results": [ ... ] }

Returns Promise<GetTableState> get table state

get_key_accounts

GET/v2/state/get_key_accounts

get account by public key

Parameters
  • public_key string Contract account targeted by the action.
Examples
const response = await rpc.get_key_accounts("EOS5Mto3Km6BCVxowb6LkkFaT9oaUwLVgswgcxvY4Qgc4rhHry4Tv");
console.log(response.account_names);
// => [ 'eoscafeblock' ]

Returns Promise<GetKeyAccounts> key accounts

get_tokens

GET /v2/state/get_tokens

get tokens

Parameters
Examples
const response = await rpc.get_tokens("eosnationftw");
for (const token of response.tokens) {
    console.log(token);
    // => { symbol: 'ZOS', precision: 4, amount: 140, contract: 'zosdiscounts' }
}

Returns Promise<GetTokens> get tokens

get_transaction

GET /v2/history/get_transaction

get all actions belonging to the same transaction

Parameters
Examples
const response = await rpc.get_transaction("42dacd5722001b734be46a2140917e06cd21d42425f927f506c07b4388b07f62");
for (const action of response.actions) {
    console.log(action);
    // => { act: { account: 'eosio', name: 'buyrambytes', ... }}
}

Returns Promise<GetTransaction> transaction

JsonRpc

alive

GET /v2/state/alive

simple server healthcheck

Examples
const response = await rpc.alive();
console.log(response);
// => {"status": "OK"}

Returns Promise<Alive> alive

get_abi_snapshot

GET /v2/history/get_abi_snapshot

fetch contract abi at specific block

Parameters
  • contract string contract account
  • block
  • number number target block
Examples
const response = await rpc.get_abi_snapshot("eosio", 200);
console.log(response.version);
// => "eosio::abi/1.0"

for (const table of response.tables) {
    console.log(table);
    // => { name: 'producers', index_type: 'i64', key_names: [ 'owner' ], key_types: [ 'uint64' ], type: 'producer_info' }
}

Returns Promise<GetAbiSnapshot> abi snapshot

get_voters

GET /v2/state/get_voters

get voters

Parameters
  • options object Optional parameters (optional, default {})
    • options.producer string? filter by voted producer (comma separated)
    • options.proxy boolean? true or false
    • options.skip number? skip [n] actions (pagination)
    • options.limit number? limit of [n] actions per page
Examples
const response = await rpc.get_voters({ producer: "eoscafeblock", limit: 100 });
console.log(response.voters);
// => "[{
//   "account": "guzdkmrtgage",
//   "weight": 78434695236505280,
//   "last_vote": 64804768
// }]"

Returns Promise<GetVoters> voters

get_links

GET /v2/state/get_links

get voters

Parameters
  • account string? account to get links for
Examples
const response = await rpc.get_links("eoscafeblock");
console.log(response.links);
// => "[{
"block_num":26088072,
"timestamp":"2019-11-22T23:17:42.000",
"account":"eosriobrazil",
"permission":"claim2",
"code":"eosio",
"action":"voteproducer"
}]"

Returns Promise<GetLinks> links

get_proposals

GET /v2/state/get_proposals

get proposals

Parameters
  • options object Optional parameters (optional, default {})
    • options.proposer string? filter by proposer
    • options.proposal string? filter by proposal name
    • options.account string? filter by either requested or provided account
    • options.requested string? filter by requested account
    • options.provided string? filter by provided account
    • options.track string? total results to track (count) [number or true]
    • options.skip number? skip [n] actions (pagination)
    • options.limit number? limit of [n] actions per page
  • account string? account to get proposals for

Returns Promise<GetProposals> proposals

get_actions

GET /v2/history/get_actions

get actions based on notified account

Parameters
  • account string notified account
  • options object Optional parameters (optional, default {})
    • options.filter string? code::name filter
    • options.skip number? skip [n] actions (pagination)
    • options.limit number? limit of [n] actions per page
    • options.sort string? sort direction
    • options.after string? filter after specified date (ISO8601)
    • options.before string? filter before specified date (ISO8601)
    • options.transfer_to string? transfer filter to
    • options.transfer_from string? transfer filter from
    • options.transfer_symbol string? transfer filter symbol
    • options.act_name string? act name
    • options.act_account string? act account
Examples
const response = await rpc.get_actions("eoscafeblock", {
    filter: "eosio.token:*",
    skip: 100,
    limit: 100,
});

for (const action of response.actions) {
    console.log(action);
    // => { act: { account: 'eosio.token', name: 'transfer', ... } }
}

Returns Promise<GetActions> get actions

get_created_accounts

GET /v2/history/get_created_accounts

get created accounts

Parameters
  • account string created account
Examples
const response = await rpc.get_created_accounts("eosnationftw");
console.log(response);
// => {"accounts": [{"name":"eosnationdsp","trx_id":"728d4a4da36a98d9048080461dacaf975ad083e8158ef84edea60cc755ab2c1a","timestamp":"2019-02-28T22:36:45.000"}, ... ]}

Returns Promise<GetCreatedAccounts> get creator

get_creator

GET /v2/history/get_creator

get creator

Parameters
  • account string created account
Examples
const response = await rpc.get_creator("eosnationftw");
console.log(response);
// => { account: 'eosnationftw', creator: 'gyztcmrvgqge', timestamp: '2018-06-10T13:06:43.500', ... }

Returns Promise<GetCreator> get creator

get_deltas

GET /v2/history/get_deltas

get deltas

Parameters
Examples
const response = await rpc.get_deltas("eosio.token", "eosnationftw", "accounts", "eosnationftw");
console.log(response);
// => { "query_time": 19, "total": { "value": 486, "relation": "eq" }, "deltas": [ ... ] }

Returns Promise<GetDeltas> get deltas

get_table_state

[GET /v2/history/get_table_state](https://eos.hyperion.eosrio.io/v2/docs/static/index.html#/history/get_v2_history_get_table_state

get table state

Parameters
  • code string contract account
  • table string table name
  • block_num string target block
  • after_key string last key for pagination
Examples
const response = await rpc.get_table_state("eosio.token", "stat", "1000", "");
console.log(response);
// => { "query_time": 19, "code": "eosio.token", "table": "stat", "block_num": 1000, "next_key": "........ehbo5-5459781",, "results": [ ... ] }

Returns Promise<GetTableState> get table state

get_key_accounts

GET/v2/state/get_key_accounts

get account by public key

Parameters
  • public_key string Contract account targeted by the action.
Examples
const response = await rpc.get_key_accounts("EOS5Mto3Km6BCVxowb6LkkFaT9oaUwLVgswgcxvY4Qgc4rhHry4Tv");
console.log(response.account_names);
// => [ 'eoscafeblock' ]

Returns Promise<GetKeyAccounts> key accounts

get_tokens

GET /v2/state/get_tokens

get tokens

Parameters
Examples
const response = await rpc.get_tokens("eosnationftw");
for (const token of response.tokens) {
    console.log(token);
    // => { symbol: 'ZOS', precision: 4, amount: 140, contract: 'zosdiscounts' }
}

Returns Promise<GetTokens> get tokens

get_transaction

GET /v2/history/get_transaction

get all actions belonging to the same transaction

Parameters
Examples
const response = await rpc.get_transaction("42dacd5722001b734be46a2140917e06cd21d42425f927f506c07b4388b07f62");
for (const action of response.actions) {
    console.log(action);
    // => { act: { account: 'eosio', name: 'buyrambytes', ... }}
}

Returns Promise<GetTransaction> transaction

RpcError

RpcStatusError

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Hyperion History HTTP API

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