svm: Account loader

import { createSauceSvmClient, SOLANA_CLUSTERS } from "@eco-incorp/sauce/svm";

export declare function coalescingOwnedAccountLoader(loadMany: BatchAccountLoader, options?: CoalescingLoaderOptions): OwnedAccountLoader;

export declare function accountDataLoader(load: OwnedAccountLoader): AccountLoader;

export declare function kitBatchAccountLoader(rpc: GetMultipleAccountsRpc): BatchAccountLoader;

export interface LoadedAccount {
    data: Uint8Array;
    owner: Address;
}

export type BatchAccountLoader = (addresses: readonly Address[]) => Promise<(LoadedAccount | null)[]>;

export interface CoalescingLoaderOptions {
    chunkSize?: number;
    maxConcurrentChunks?: number;
    expectOwner?: (address: Address, owner: Address) => void;
}

export interface GetMultipleAccountsRpc {
    getMultipleAccounts(addresses: readonly Address[], config: {
        encoding: "base64";
    }): {
        send(): Promise<{
            value: ({
                data: readonly [
                    string,
                    string
                ];
                owner: Address;
            } | null)[];
        }>;
    };
}