# ecdsa_public_key

This section is a work in progress.

Examples:

- threshold_ecdsa

    import { blob, Canister, ic, None, Record, update } from 'azle';
    import { managementCanister } from 'azle/canisters/management';

    const PublicKey = Record({
        publicKey: blob
    });

    export default Canister({
        publicKey: update([], PublicKey, async () => {
            const caller = ic.caller().toUint8Array();

            const publicKeyResult = await ic.call(
                managementCanister.ecdsa_public_key,
                {
                    args: [
                        {
                            canister_id: None,
                            derivation_path: [caller],
                            key_id: {
                                curve: { secp256k1: null },
                                name: 'dfx_test_key'
                            }
                        }
                    ]
                }
            );

            return {
                publicKey: publicKeyResult.public_key
            };
        })
    });