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Huobi ECO - HECO Network

Introduction

Huobi ECO Network HECO is a decentralized and cost efficient public chain that Ethereum developers can easily get started with and smart contracts are seamlessly compatible.

HECO has built a developed Defi ecosystem, with wallets, assets, and applications rankings. Users can easily experience the latest DApps.

Quick facts

Property Value
HECO Mainnet chainId 128
HECO Testnet chainId 256
HECO Blockchain Explorer https://hecoinfo.com/
Block time ~3 seconds

Supported endpoints

Get token balances for address
Class A
Given chain_id and wallet address, return current token balances along with their spot prices. This endpoint supports a variety of token standards like ERC20, ERC721 and ERC1155. As a special case, network native tokens like ETH on Ethereum are also returned even though it’s not a token contract.
GET /v1/:chain_id/address/:address/balances_v2/
Get transactions for address
Class A
Given chain_id and wallet address, return all transactions along with their decoded log events. This endpoint does a deep-crawl of the blockchain to retrieve all kinds of transactions that references the address including indexed topics within the event logs.
GET /v1/:chain_id/address/:address/transactions_v2/
Get ERC20 token transfers for address
Class A
Given chain_id, wallet address and contract-address, return all ERC20 token contract transfers along with their historical prices at the time of their transfer.
GET /v1/:chain_id/address/:address/transfers_v2/
Get token holders as of any block height
Class A
Given chain_id and wallet address, return a paginated list of token holders. If block-height is omitted, the latest block is used.
GET /v1/:chain_id/tokens/:address/token_holders/
Get log events by contract address
Class A
Given chain_id and contract address, return a paginated list of decoded log events emitted by a particular smart contract.
GET /v1/:chain_id/events/address/:address/
Get log events by topic hash(es)
Class A
Given chain_id and topic hash(es), return a paginated list of decoded log events with one or more topic hashes separated by a comma.
GET /v1/:chain_id/events/topics/:topic/

Go to Covalent’s API Reference


Appendix

HECO Gas token

HT token is the native token of the HECO network. This is similar to Ether in Ethereum. To interact with the HECO network, HT tokens are required to pay as gas fees. HT serves as a means of payment and exchange for all applications running in the HECO ecosystem. Covalent’s responses automatically returns gas_* fields in the HT units.