import type { Stream } from "effect";
import { Context, Effect, Layer } from "effect";
import type { Block, Hash } from "viem";
import type { ClientNotFoundError } from "../core/index.js";
import { PublicClientService, TransportError } from "../core/index.js";
import { BlockNotFoundError, BlockTimeoutError } from "./errors.js";
export type BlockServiceShape = {
    readonly getBlock: (params: {
        chainId: number;
        blockNumber?: bigint;
        blockTag?: "latest" | "pending" | "earliest" | "safe" | "finalized";
        includeTransactions?: boolean;
    }) => Effect.Effect<Block, BlockNotFoundError | ClientNotFoundError>;
    readonly getBlockByHash: (params: {
        chainId: number;
        hash: Hash;
        includeTransactions?: boolean;
    }) => Effect.Effect<Block, BlockNotFoundError | ClientNotFoundError>;
    readonly getBlockNumber: (params: {
        chainId: number;
    }) => Effect.Effect<bigint, ClientNotFoundError | TransportError>;
    readonly watchBlocks: (params: {
        chainId: number;
        pollingInterval?: number;
        includeTransactions?: boolean;
    }) => Effect.Effect<Stream.Stream<Block, unknown>, ClientNotFoundError>;
    readonly waitForBlock: (params: {
        chainId: number;
        blockNumber: bigint;
        timeout?: number;
    }) => Effect.Effect<Block, BlockNotFoundError | BlockTimeoutError | ClientNotFoundError | TransportError>;
    readonly getBlocks: (params: {
        chainId: number;
        fromBlock: bigint;
        toBlock: bigint;
        includeTransactions?: boolean;
    }) => Effect.Effect<Block[], ClientNotFoundError | BlockNotFoundError>;
    readonly getBlockTimestamp: (params: {
        chainId: number;
        blockNumber?: bigint;
    }) => Effect.Effect<bigint, ClientNotFoundError | BlockNotFoundError>;
};
declare const BlockService_base: Context.TagClass<BlockService, "ew3/BlockService", BlockServiceShape>;
export declare class BlockService extends BlockService_base {
}
export declare const BlockServiceLive: Layer.Layer<BlockService, never, PublicClientService>;
export {};
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