@aptos-labs/ts-sdk/dist/internal/staking.js

Aptos TypeScript SDK

// Copyright © Aptos Foundation
// SPDX-License-Identifier: Apache-2.0
import { AccountAddress } from "../core/index.js";
import { GetDelegatedStakingActivities, GetNumberOfDelegators } from "../types/generated/queries.js";
import { queryIndexer } from "./general.js";
/**
 * Retrieves the number of active delegators for a specified pool address.
 *
 * @param args - The arguments for the function.
 * @param args.aptosConfig - The configuration object for Aptos.
 * @param args.poolAddress - The address of the pool for which to retrieve the number of delegators.
 * @returns The number of active delegators for the specified pool address.
 * @group Implementation
 */
export async function getNumberOfDelegators(args) {
    const { aptosConfig, poolAddress } = args;
    const address = AccountAddress.from(poolAddress).toStringLong();
    const query = {
        query: GetNumberOfDelegators,
        variables: { where_condition: { pool_address: { _eq: address } } },
    };
    const data = await queryIndexer({ aptosConfig, query });
    // commonjs (aka cjs) doesn't handle Nullish Coalescing for some reason
    // might be because of how ts infer the graphql generated scheme type
    return data.num_active_delegator_per_pool[0] ? data.num_active_delegator_per_pool[0].num_active_delegator : 0;
}
/**
 * Retrieves the number of active delegators for all pools.
 *
 * @param args - The arguments for the function.
 * @param args.aptosConfig - The configuration for the Aptos client.
 * @param [args.options] - Optional parameters for ordering the results.
 * @param args.options.orderBy - Specifies the order in which to return the results.
 * @returns The number of active delegators per pool.
 * @group Implementation
 */
export async function getNumberOfDelegatorsForAllPools(args) {
    const { aptosConfig, options } = args;
    const query = {
        query: GetNumberOfDelegators,
        variables: { order_by: options?.orderBy },
    };
    const data = await queryIndexer({
        aptosConfig,
        query,
    });
    return data.num_active_delegator_per_pool;
}
/**
 * Retrieves the delegated staking activities for a specified delegator and pool.
 *
 * @param args - The parameters for the query.
 * @param args.aptosConfig - The configuration object for Aptos.
 * @param args.delegatorAddress - The address of the delegator whose activities are being queried.
 * @param args.poolAddress - The address of the pool associated with the delegated staking activities.
 * @returns The delegated staking activities for the specified delegator and pool.
 * @group Implementation
 */
export async function getDelegatedStakingActivities(args) {
    const { aptosConfig, delegatorAddress, poolAddress } = args;
    const query = {
        query: GetDelegatedStakingActivities,
        variables: {
            delegatorAddress: AccountAddress.from(delegatorAddress).toStringLong(),
            poolAddress: AccountAddress.from(poolAddress).toStringLong(),
        },
    };
    const data = await queryIndexer({ aptosConfig, query });
    return data.delegated_staking_activities;
}
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