Struct covalent_class_a::CovalentClient

pub struct CovalentClient {
    pub base_url: String,
    pub chain_id: String,
    pub api_key: String,
}

Fields

base_url: String

chain_id: String

api_key: String

Implementations

impl CovalentClient

pub fn new(
    chain_id: &str,
    api_key: &str
) -> Result<CovalentClient, Box<dyn Error>>

Create a new CovalentClient bound to a crtain chain_id

Klaytn Client Example

#[tokio::main]
async fn main() {
    let klaytn_client = covalent_class_a::CovalentClient::new_env_api_key("8217").unwrap();
    let balances: covalent_class_a::resources::BalancesData = klaytn_client.get_token_balances("0xf4024faad5fafd0755875e3161524c9c4e1a1111", None, None).await.unwrap();
    println!("Address: {}", balances.data.address);
}

pub fn new_env_api_key(chain_id: &str) -> Result<CovalentClient, Box<dyn Error>>

Create a new CovalentClient bound to a certain chain_id takes the environment variable COVALENT_API_KEY

#[tokio::main]
async fn main() {
// In shell: export COVALENT_API_KEY = <YOUR_API_KEY>
    let klaytn_client = covalent_class_a::CovalentClient::new_env_api_key("8217").unwrap();
// Make a get_token_balances request with pagination options page_size set to 10 and page_number set to 1
    let balances: covalent_class_a::resources::BalancesData = klaytn_client.get_token_balances("0xf4024faad5fafd0755875e3161524c9c4e1a1111", Some("10".to_string()), Some("1".to_string())).await.unwrap();
}

pub async fn get_token_balances(
    &self,
    addr: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<BalancesData, Box<dyn Error>>

Get token balance information for an address

pub async fn get_historical_portfolio_value(
    &self,
    addr: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<HistoricalPortfolioData, Box<dyn Error>>

Get historicial portfolio values for an address

pub async fn get_token_transfers(
    &self,
    addr: &str,
    contract_addr: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<TokenTransfersData, Box<dyn Error>>

Get ERC20 Token Transfers for an address and token contract address

pub async fn get_token_holders_any_bh(
    &self,
    addr: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<TokenHoldersData, Box<dyn Error>>

Get token holders at a block height for an address

pub async fn get_changes_in_token_holders(
    &self,
    addr: &str,
    starting_block: &str,
    ending_block: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<ChangesInTokenHoldersData, Box<dyn Error>>

Get changes in token holders between 2 block heights

pub async fn get_transactions_for_address(
    &self,
    addr: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<TransactionsData, Box<dyn Error>>

Get transactions for an address

pub async fn get_transaction(
    &self,
    tx_hash: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<TransactionData, Box<dyn Error>>

Get information on a single transaction

pub async fn get_a_block(
    &self,
    block_height: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<BlockData, Box<dyn Error>>

Get information on a block given a block height

pub async fn get_block_heights(
    &self,
    start_date: &str,
    end_date: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<BlockData, Box<dyn Error>>

Get block heights given a start and end date

pub async fn get_log_events_by_contract(
    &self,
    contract_addr: &str,
    starting_block: &str,
    ending_block: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<LogEventsGenericData, Box<dyn Error>>

Get log events by contract address within a start and end block

pub async fn get_log_events_by_topic_hashes(
    &self,
    topic_hash: &str,
    sender_addr: &str,
    starting_block: &str,
    ending_block: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<LogEventsGenericData, Box<dyn Error>>

Get log events by topic hash(es)

pub async fn get_all_contract_metadata(
    &self,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<ContractMetadataData, Box<dyn Error>>

Get all contract metadata

pub async fn get_all_chains(
    &self,
    quote_currency: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<AllChainData, Box<dyn Error>>

Get all chains

pub async fn get_all_chain_statuses(
    &self,
    quote_currency: &str,
    page_size: Option<String>,
    page_number: Option<String>
) -> Result<AllChainStatusesData, Box<dyn Error>>

Get all chain statuses

Trait Implementations

impl Clone for CovalentClient

fn clone(&self) -> CovalentClient

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.