Struct Client

pub struct Client<M: Middleware> {
    pub eas: EAS<M>,
    pub schema_registry: SchemaRegistry<M>,
}

Fields

eas: EAS<M>

schema_registry: SchemaRegistry<M>

Implementations

impl<M: Middleware + 'static> Client<M>

pub async fn new_with_middleware<T: Into<Address>>( eas_contract_address: T, middlewhare: Arc<M>, schema_contract_address: Option<T>, ) -> Result<Self, Box<dyn Error>>

impl Client<SignerMiddleware<Provider<Http>, Wallet<SigningKey>>>

pub async fn new<T: Into<Address>>( endpoint: &str, eas_contract_address: T, schema_contract_address: Option<T>, signing_key: SigningKey, ) -> Result<Self, Box<dyn Error>>

Examples found in repository

examples/events.rs (line 17)

async fn main() -> Result<(), Box<dyn Error>> {
    let singing_key = &hex::decode(SEPOLIA_PRIVATE_KEY_HEX)?;
    let signing_key = SigningKey::from_slice(singing_key)?;
    let contract_address = H160::from_str(SEPOLIA_CONTRACT_ADDRESS)?;
    let client = client::Client::new(SEPOLIA_ENDPOINT, contract_address, None, signing_key).await?;

    // Filter for the events starting with the block ID 5553102
    let filter = client.eas.attested_event(5553102, None, None);

    // Get the query for the filter
    // This will return the logs that match the filter all at once
    let query = filter.query().await?;
    println!("Query: {:?}", query);

    // Get the stream for the filter
    let mut stream = filter.stream().await.expect("Failed to get stream");

    // This will print the logs as they come in
    while let Some(Ok(approval)) = stream.next().await {
        println!("Approval: {:?}", approval);
    }

    Ok(())
}

examples/schema.rs (line 19)

async fn main() -> Result<(), Box<dyn Error>> {
    let singing_key = &hex::decode(SEPOLIA_PRIVATE_KEY_HEX)?;
    let signing_key = SigningKey::from_slice(singing_key)?;
    let contract_address = H160::from_str(SEPOLIA_CONTRACT_ADDRESS)?;
    let client = client::Client::new(SEPOLIA_ENDPOINT, contract_address, None, signing_key).await?;

    let schema = schema::SchemaBuilder::new()
        .add("id", schema::Type::Address)
        .add("voter_id", schema::Type::Address)
        .add("vote_option", schema::Type::Int(32))
        .build();

    let tx = client.schema_registry.register(schema, None, true).await?;
    let registered_schema = tx.await?;

    println!("Schema ID: {:?}", registered_schema.schema_uid);

    let naming_schema =
        H256::from_str("0x44d562ac1d7cd77e232978687fea027ace48f719cf1d58c7888e509663bb87fc")?;

    let data = &[
        Token::FixedBytes(registered_schema.schema_uid.as_bytes().into()),
        Token::String("enter schema name here".to_string()),
    ];

    let attestation_data = AttestationDataBuilder::new()
        .revocable(true)
        .data(data)
        .build();

    let attested = client.eas.attest(&naming_schema, attestation_data).await?;
    let attested = attested.await?;

    println!("Attestation ID: {:?}", attested);

    Ok(())
}

examples/attestation.rs (line 19)

async fn main() -> Result<(), Box<dyn Error>> {
    let singing_key = &hex::decode(SEPOLIA_PRIVATE_KEY_HEX)?;
    let signing_key = SigningKey::from_slice(singing_key)?;
    let contract_address = H160::from_str(SEPOLIA_CONTRACT_ADDRESS)?;
    let client = client::Client::new(SEPOLIA_ENDPOINT, contract_address, None, signing_key).await?;

    let schema_id =
        H256::from_str("0x0cf8b15034904dc56810da6237d220c345693077c4d42c53c45263649ed3b585")?;

    let attestation_request = AttestationDataBuilder::new()
        .revocable(true)
        .data(&[
            Token::Address(H160::from_low_u64_be(0x1234567890abcdef)),
            Token::Address(H160::from_low_u64_be(0x1234567890abcdef)),
            Token::Int(11.into()),
        ])
        .build();

    // attest sends a transaction and returns a PendingTx that can be awaited
    let tx = client.eas.attest(&schema_id, attestation_request).await?;
    let attested = tx.await?;

    println!("Attestation ID: {:?}", attested);

    // timestamp send a transaction and returns a PendingTx that can be awaited
    let tx = client.eas.timestamp(attested.uid).await?;
    let timestamped = tx.await?;

    println!("Timestamped: {:?}", timestamped);

    // revoke send a transaction and returns a PendingTx that can be awaited
    let revoked = client
        .eas
        .revoke(attested.schema, attested.uid, U256::default())
        .await?;

    let revoked = revoked.await?;

    println!("Revoked: {:?}", revoked);

    Ok(())
}