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
- RpcError
- RpcStatusError
JsonRpc
JsonRpc
Parameters
-
endpoint
string hyperion endpoint
Examples
const endpoint = "https://br.eosrio.io"
const rpc = new JsonRpc(endpoint, { fetch })
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
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 voters
Parameters
-
options
object Optional parameters (optional, default{}
)
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 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 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 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 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 deltas
Parameters
-
code
string contract account -
scope
string table scope -
table
string table name -
payer
string payer account options
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 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 tokens
Parameters
-
account
string account
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
-
id
string transaction id
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
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
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 voters
Parameters
-
options
object Optional parameters (optional, default{}
)
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 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 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 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 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 deltas
Parameters
-
code
string contract account -
scope
string table scope -
table
string table name -
payer
string payer account options
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 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 tokens
Parameters
-
account
string account
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
-
id
string transaction id
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