3239 lines
89 KiB
TypeScript
3239 lines
89 KiB
TypeScript
import assert from 'assert';
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import bs58 from 'bs58';
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import {Buffer} from 'buffer';
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import {parse as urlParse, format as urlFormat} from 'url';
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import fetch, {Response} from 'node-fetch';
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import {
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type as pick,
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number,
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string,
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array,
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boolean,
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literal,
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record,
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union,
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optional,
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nullable,
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coerce,
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instance,
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create,
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tuple,
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unknown,
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any,
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} from 'superstruct';
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import type {Struct} from 'superstruct';
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import {Client as RpcWebSocketClient} from 'rpc-websockets';
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import RpcClient from 'jayson/lib/client/browser';
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import {IWSRequestParams} from 'rpc-websockets/dist/lib/client';
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import {AgentManager} from './agent-manager';
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import {NonceAccount} from './nonce-account';
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import {PublicKey} from './publickey';
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import {MS_PER_SLOT} from './timing';
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import {Transaction} from './transaction';
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import {Message} from './message';
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import {sleep} from './util/sleep';
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import {promiseTimeout} from './util/promise-timeout';
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import {toBuffer} from './util/to-buffer';
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import type {Blockhash} from './blockhash';
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import type {FeeCalculator} from './fee-calculator';
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import type {Account} from './account';
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import type {TransactionSignature} from './transaction';
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import type {CompiledInstruction} from './message';
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const PublicKeyFromString = coerce(
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instance(PublicKey),
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string(),
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value => new PublicKey(value),
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);
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const RawAccountDataResult = tuple([string(), literal('base64')]);
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const BufferFromRawAccountData = coerce(
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instance(Buffer),
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RawAccountDataResult,
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value => Buffer.from(value[0], 'base64'),
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);
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type RpcRequest = (methodName: string, args: Array<any>) => any;
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export type TokenAccountsFilter =
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| {
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mint: PublicKey;
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}
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| {
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programId: PublicKey;
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};
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/**
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* Extra contextual information for RPC responses
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*/
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export type Context = {
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slot: number;
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};
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/**
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* Options for sending transactions
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*/
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export type SendOptions = {
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/** disable transaction verification step */
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skipPreflight?: boolean;
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/** preflight commitment level */
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preflightCommitment?: Commitment;
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};
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/**
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* Options for confirming transactions
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*/
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export type ConfirmOptions = {
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/** disable transaction verification step */
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skipPreflight?: boolean;
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/** desired commitment level */
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commitment?: Commitment;
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/** preflight commitment level */
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preflightCommitment?: Commitment;
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};
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/**
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* Options for getConfirmedSignaturesForAddress2
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*
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* @typedef {Object} ConfirmedSignaturesForAddress2Options
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*/
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export type ConfirmedSignaturesForAddress2Options = {
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/**
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* Start searching backwards from this transaction signature.
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* @remark If not provided the search starts from the highest max confirmed block.
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*/
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before?: TransactionSignature;
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/** Maximum transaction signatures to return (between 1 and 1,000, default: 1,000). */
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limit?: number;
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};
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/**
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* RPC Response with extra contextual information
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*/
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export type RpcResponseAndContext<T> = {
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/** response context */
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context: Context;
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/** response value */
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value: T;
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};
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/**
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* @internal
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*/
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function createRpcResult<T, U>(result: Struct<T, U>) {
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return union([
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pick({
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jsonrpc: literal('2.0'),
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id: string(),
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result,
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}),
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pick({
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jsonrpc: literal('2.0'),
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id: string(),
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error: pick({
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code: unknown(),
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message: string(),
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data: optional(any()),
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}),
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}),
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]);
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}
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const UnknownRpcResult = createRpcResult(unknown());
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/**
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* @internal
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*/
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function jsonRpcResult<T, U>(schema: Struct<T, U>) {
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return coerce(createRpcResult(schema), UnknownRpcResult, value => {
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if ('error' in value) {
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return value;
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} else {
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return {
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...value,
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result: create(value.result, schema),
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};
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}
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});
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}
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/**
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* @internal
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*/
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function jsonRpcResultAndContext<T, U>(value: Struct<T, U>) {
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return jsonRpcResult(
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pick({
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context: pick({
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slot: number(),
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}),
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value,
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}),
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);
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}
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/**
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* @internal
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*/
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function notificationResultAndContext<T, U>(value: Struct<T, U>) {
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return pick({
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context: pick({
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slot: number(),
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}),
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value,
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});
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}
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/**
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* The level of commitment desired when querying state
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* <pre>
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* 'processed': Query the most recent block which has reached 1 confirmation by the connected node
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* 'confirmed': Query the most recent block which has reached 1 confirmation by the cluster
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* 'finalized': Query the most recent block which has been finalized by the cluster
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* </pre>
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*
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* @typedef {'processed' | 'confirmed' | 'finalized'} Commitment
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*/
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export type Commitment =
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| 'processed'
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| 'confirmed'
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| 'finalized'
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| 'recent' // Deprecated as of v1.5.5
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| 'single' // Deprecated as of v1.5.5
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| 'singleGossip' // Deprecated as of v1.5.5
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| 'root' // Deprecated as of v1.5.5
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| 'max'; // Deprecated as of v1.5.5
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/**
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* Filter for largest accounts query
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* <pre>
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* 'circulating': Return the largest accounts that are part of the circulating supply
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* 'nonCirculating': Return the largest accounts that are not part of the circulating supply
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* </pre>
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*
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* @typedef {'circulating' | 'nonCirculating'} LargestAccountsFilter
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*/
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export type LargestAccountsFilter = 'circulating' | 'nonCirculating';
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/**
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* Configuration object for changing `getLargestAccounts` query behavior
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*
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* @typedef {Object} GetLargestAccountsConfig
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* @property {Commitment|undefined} commitment The level of commitment desired
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* @property {LargestAccountsFilter|undefined} filter Filter largest accounts by whether they are part of the circulating supply
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*/
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export type GetLargestAccountsConfig = {
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commitment?: Commitment;
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filter?: LargestAccountsFilter;
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};
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/**
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* Configuration object for changing query behavior
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*
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* @typedef {Object} SignatureStatusConfig
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* @property {boolean} searchTransactionHistory enable searching status history, not needed for recent transactions
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*/
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export type SignatureStatusConfig = {
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searchTransactionHistory: boolean;
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};
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/**
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* Information describing a cluster node
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*
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* @typedef {Object} ContactInfo
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* @property {string} pubkey Identity public key of the node
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* @property {string|null} gossip Gossip network address for the node
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* @property {string|null} tpu TPU network address for the node (null if not available)
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* @property {string|null} rpc JSON RPC network address for the node (null if not available)
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* @property {string|null} version Software version of the node (null if not available)
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*/
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export type ContactInfo = {
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pubkey: string;
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gossip: string | null;
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tpu: string | null;
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rpc: string | null;
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version: string | null;
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};
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/**
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* Information describing a vote account
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*
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* @typedef {Object} VoteAccountInfo
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* @property {string} votePubkey Public key of the vote account
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* @property {string} nodePubkey Identity public key of the node voting with this account
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* @property {number} activatedStake The stake, in lamports, delegated to this vote account and activated
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* @property {boolean} epochVoteAccount Whether the vote account is staked for this epoch
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* @property {Array<Array<number>>} epochCredits Recent epoch voting credit history for this voter
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* @property {number} commission A percentage (0-100) of rewards payout owed to the voter
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* @property {number} lastVote Most recent slot voted on by this vote account
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*/
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export type VoteAccountInfo = {
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votePubkey: string;
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nodePubkey: string;
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activatedStake: number;
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epochVoteAccount: boolean;
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epochCredits: Array<[number, number, number]>;
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commission: number;
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lastVote: number;
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};
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/**
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* A collection of cluster vote accounts
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*
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* @typedef {Object} VoteAccountStatus
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* @property {Array<VoteAccountInfo>} current Active vote accounts
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* @property {Array<VoteAccountInfo>} delinquent Inactive vote accounts
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*/
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export type VoteAccountStatus = {
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current: Array<VoteAccountInfo>;
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delinquent: Array<VoteAccountInfo>;
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};
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/**
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* Network Inflation
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* (see https://docs.solana.com/implemented-proposals/ed_overview)
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*
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* @typedef {Object} InflationGovernor
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* @property {number} foundation
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* @property {number} foundation_term
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* @property {number} initial
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* @property {number} taper
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* @property {number} terminal
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*/
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export type InflationGovernor = {
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foundation: number;
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foundationTerm: number;
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initial: number;
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taper: number;
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terminal: number;
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};
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const GetInflationGovernorResult = pick({
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foundation: number(),
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foundationTerm: number(),
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initial: number(),
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taper: number(),
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terminal: number(),
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});
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/**
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* Information about the current epoch
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*
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* @typedef {Object} EpochInfo
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* @property {number} epoch
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* @property {number} slotIndex
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* @property {number} slotsInEpoch
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* @property {number} absoluteSlot
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* @property {number} blockHeight
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* @property {number} transactionCount
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*/
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export type EpochInfo = {
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epoch: number;
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slotIndex: number;
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slotsInEpoch: number;
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absoluteSlot: number;
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blockHeight?: number;
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transactionCount?: number;
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};
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const GetEpochInfoResult = pick({
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epoch: number(),
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slotIndex: number(),
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slotsInEpoch: number(),
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absoluteSlot: number(),
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blockHeight: optional(number()),
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transactionCount: optional(number()),
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});
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/**
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* Epoch schedule
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* (see https://docs.solana.com/terminology#epoch)
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*
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* @typedef {Object} EpochSchedule
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* @property {number} slotsPerEpoch The maximum number of slots in each epoch
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* @property {number} leaderScheduleSlotOffset The number of slots before beginning of an epoch to calculate a leader schedule for that epoch
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* @property {boolean} warmup Indicates whether epochs start short and grow
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* @property {number} firstNormalEpoch The first epoch with `slotsPerEpoch` slots
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* @property {number} firstNormalSlot The first slot of `firstNormalEpoch`
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*/
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export type EpochSchedule = {
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slotsPerEpoch: number;
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leaderScheduleSlotOffset: number;
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warmup: boolean;
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firstNormalEpoch: number;
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firstNormalSlot: number;
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};
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const GetEpochScheduleResult = pick({
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slotsPerEpoch: number(),
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leaderScheduleSlotOffset: number(),
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warmup: boolean(),
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firstNormalEpoch: number(),
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firstNormalSlot: number(),
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});
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/**
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* Leader schedule
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* (see https://docs.solana.com/terminology#leader-schedule)
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*
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* @typedef {Object} LeaderSchedule
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*/
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export type LeaderSchedule = {
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[address: string]: number[];
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};
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const GetLeaderScheduleResult = record(string(), array(number()));
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/**
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* Transaction error or null
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*/
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const TransactionErrorResult = nullable(pick({}));
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/**
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* Signature status for a transaction
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*/
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const SignatureStatusResult = pick({
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err: TransactionErrorResult,
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});
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export type Version = {
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'solana-core': string;
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'feature-set'?: number;
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};
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/**
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* Version info for a node
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*
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* @typedef {Object} Version
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* @property {string} solana-core Version of solana-core
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*/
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const VersionResult = pick({
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'solana-core': string(),
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'feature-set': optional(number()),
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});
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export type SimulatedTransactionResponse = {
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err: TransactionError | string | null;
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logs: Array<string> | null;
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};
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const SimulatedTransactionResponseStruct = jsonRpcResultAndContext(
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pick({
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err: nullable(union([pick({}), string()])),
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logs: nullable(array(string())),
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}),
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);
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export type ParsedInnerInstruction = {
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index: number;
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instructions: (ParsedInstruction | PartiallyDecodedInstruction)[];
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};
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export type TokenBalance = {
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accountIndex: number;
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mint: string;
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uiTokenAmount: TokenAmount;
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};
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/**
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* Metadata for a parsed confirmed transaction on the ledger
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*
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* @typedef {Object} ParsedConfirmedTransactionMeta
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* @property {number} fee The fee charged for processing the transaction
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* @property {Array<ParsedInnerInstruction>} innerInstructions An array of cross program invoked parsed instructions
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* @property {Array<number>} preBalances The balances of the transaction accounts before processing
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* @property {Array<number>} postBalances The balances of the transaction accounts after processing
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* @property {Array<string>} logMessages An array of program log messages emitted during a transaction
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* @property {Array<TokenBalance>} preTokenBalances The token balances of the transaction accounts before processing
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* @property {Array<TokenBalance>} postTokenBalances The token balances of the transaction accounts after processing
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* @property {object|null} err The error result of transaction processing
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*/
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export type ParsedConfirmedTransactionMeta = {
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fee: number;
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innerInstructions?: ParsedInnerInstruction[] | null;
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preBalances: Array<number>;
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postBalances: Array<number>;
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logMessages?: Array<string> | null;
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preTokenBalances?: Array<TokenBalance> | null;
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postTokenBalances?: Array<TokenBalance> | null;
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err: TransactionError | null;
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};
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export type CompiledInnerInstruction = {
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index: number;
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instructions: CompiledInstruction[];
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};
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|
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/**
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* Metadata for a confirmed transaction on the ledger
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|
*
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* @typedef {Object} ConfirmedTransactionMeta
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* @property {number} fee The fee charged for processing the transaction
|
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* @property {Array<CompiledInnerInstruction>} innerInstructions An array of cross program invoked instructions
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* @property {Array<number>} preBalances The balances of the transaction accounts before processing
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|
* @property {Array<number>} postBalances The balances of the transaction accounts after processing
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* @property {Array<string>} logMessages An array of program log messages emitted during a transaction
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* @property {Array<TokenBalance>} preTokenBalances The token balances of the transaction accounts before processing
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|
* @property {Array<TokenBalance>} postTokenBalances The token balances of the transaction accounts after processing
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* @property {object|null} err The error result of transaction processing
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*/
|
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export type ConfirmedTransactionMeta = {
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fee: number;
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innerInstructions?: CompiledInnerInstruction[] | null;
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preBalances: Array<number>;
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postBalances: Array<number>;
|
|
logMessages?: Array<string> | null;
|
|
preTokenBalances?: Array<TokenBalance> | null;
|
|
postTokenBalances?: Array<TokenBalance> | null;
|
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err: TransactionError | null;
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};
|
|
|
|
/**
|
|
* A confirmed transaction on the ledger
|
|
*
|
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* @typedef {Object} ConfirmedTransaction
|
|
* @property {number} slot The slot during which the transaction was processed
|
|
* @property {Transaction} transaction The details of the transaction
|
|
* @property {ConfirmedTransactionMeta|null} meta Metadata produced from the transaction
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|
* @property {number|null|undefined} blockTime The unix timestamp of when the transaction was processed
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|
*/
|
|
export type ConfirmedTransaction = {
|
|
slot: number;
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transaction: Transaction;
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meta: ConfirmedTransactionMeta | null;
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|
blockTime?: number | null;
|
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};
|
|
|
|
/**
|
|
* A partially decoded transaction instruction
|
|
*/
|
|
export type PartiallyDecodedInstruction = {
|
|
/** Program id called by this instruction */
|
|
programId: PublicKey;
|
|
/** Public keys of accounts passed to this instruction */
|
|
accounts: Array<PublicKey>;
|
|
/** Raw base-58 instruction data */
|
|
data: string;
|
|
};
|
|
|
|
/**
|
|
* A parsed transaction message account
|
|
*
|
|
* @typedef {Object} ParsedMessageAccount
|
|
* @property {PublicKey} pubkey Public key of the account
|
|
* @property {boolean} signer Indicates if the account signed the transaction
|
|
* @property {boolean} writable Indicates if the account is writable for this transaction
|
|
*/
|
|
export type ParsedMessageAccount = {
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pubkey: PublicKey;
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signer: boolean;
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writable: boolean;
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};
|
|
|
|
/**
|
|
* A parsed transaction instruction
|
|
*
|
|
* @typedef {Object} ParsedInstruction
|
|
* @property {string} program Name of the program for this instruction
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|
* @property {PublicKey} programId ID of the program for this instruction
|
|
* @property {any} parsed Parsed instruction info
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|
*/
|
|
export type ParsedInstruction = {
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program: string;
|
|
programId: PublicKey;
|
|
parsed: any;
|
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};
|
|
|
|
/**
|
|
* A parsed transaction message
|
|
*
|
|
* @typedef {Object} ParsedMessage
|
|
* @property {Array<ParsedMessageAccount>} accountKeys Accounts used in the instructions
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* @property {Array<ParsedInstruction | PartiallyDecodedInstruction>} instructions The atomically executed instructions for the transaction
|
|
* @property {string} recentBlockhash Recent blockhash
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|
*/
|
|
export type ParsedMessage = {
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accountKeys: ParsedMessageAccount[];
|
|
instructions: (ParsedInstruction | PartiallyDecodedInstruction)[];
|
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recentBlockhash: string;
|
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};
|
|
|
|
/**
|
|
* A parsed transaction
|
|
*
|
|
* @typedef {Object} ParsedTransaction
|
|
* @property {Array<string>} signatures Signatures for the transaction
|
|
* @property {ParsedMessage} message Message of the transaction
|
|
*/
|
|
export type ParsedTransaction = {
|
|
signatures: Array<string>;
|
|
message: ParsedMessage;
|
|
};
|
|
|
|
/**
|
|
* A parsed and confirmed transaction on the ledger
|
|
*
|
|
* @typedef {Object} ParsedConfirmedTransaction
|
|
* @property {number} slot The slot during which the transaction was processed
|
|
* @property {ParsedTransaction} transaction The details of the transaction
|
|
* @property {ConfirmedTransactionMeta|null} meta Metadata produced from the transaction
|
|
* @property {number|null|undefined} blockTime The unix timestamp of when the transaction was processed
|
|
*/
|
|
export type ParsedConfirmedTransaction = {
|
|
slot: number;
|
|
transaction: ParsedTransaction;
|
|
meta: ParsedConfirmedTransactionMeta | null;
|
|
blockTime?: number | null;
|
|
};
|
|
|
|
/**
|
|
* A ConfirmedBlock on the ledger
|
|
*
|
|
* @typedef {Object} ConfirmedBlock
|
|
* @property {Blockhash} blockhash Blockhash of this block
|
|
* @property {Blockhash} previousBlockhash Blockhash of this block's parent
|
|
* @property {number} parentSlot Slot index of this block's parent
|
|
* @property {Array<object>} transactions Vector of transactions and status metas
|
|
* @property {Array<object>} rewards Vector of block rewards
|
|
*/
|
|
export type ConfirmedBlock = {
|
|
blockhash: Blockhash;
|
|
previousBlockhash: Blockhash;
|
|
parentSlot: number;
|
|
transactions: Array<{
|
|
transaction: Transaction;
|
|
meta: ConfirmedTransactionMeta | null;
|
|
}>;
|
|
rewards?: Array<{
|
|
pubkey: string;
|
|
lamports: number;
|
|
postBalance: number | null;
|
|
rewardType: string | null;
|
|
}>;
|
|
};
|
|
|
|
/**
|
|
* A performance sample
|
|
*
|
|
* @typedef {Object} PerfSample
|
|
* @property {number} slot Slot number of sample
|
|
* @property {number} numTransactions Number of transactions in a sample window
|
|
* @property {number} numSlots Number of slots in a sample window
|
|
* @property {number} samplePeriodSecs Sample window in seconds
|
|
*/
|
|
export type PerfSample = {
|
|
slot: number;
|
|
numTransactions: number;
|
|
numSlots: number;
|
|
samplePeriodSecs: number;
|
|
};
|
|
|
|
function createRpcRequest(url: string, useHttps: boolean): RpcRequest {
|
|
let agentManager: AgentManager | undefined;
|
|
if (!process.env.BROWSER) {
|
|
agentManager = new AgentManager(useHttps);
|
|
}
|
|
|
|
const clientBrowser = new RpcClient(async (request, callback) => {
|
|
const agent = agentManager ? agentManager.requestStart() : undefined;
|
|
const options = {
|
|
method: 'POST',
|
|
body: request,
|
|
agent,
|
|
headers: {
|
|
'Content-Type': 'application/json',
|
|
},
|
|
};
|
|
|
|
try {
|
|
let too_many_requests_retries = 5;
|
|
let res: Response;
|
|
let waitTime = 500;
|
|
for (;;) {
|
|
res = await fetch(url, options);
|
|
if (res.status !== 429 /* Too many requests */) {
|
|
break;
|
|
}
|
|
too_many_requests_retries -= 1;
|
|
if (too_many_requests_retries === 0) {
|
|
break;
|
|
}
|
|
console.log(
|
|
`Server responded with ${res.status} ${res.statusText}. Retrying after ${waitTime}ms delay...`,
|
|
);
|
|
await sleep(waitTime);
|
|
waitTime *= 2;
|
|
}
|
|
|
|
const text = await res.text();
|
|
if (res.ok) {
|
|
callback(null, text);
|
|
} else {
|
|
callback(new Error(`${res.status} ${res.statusText}: ${text}`));
|
|
}
|
|
} catch (err) {
|
|
callback(err);
|
|
} finally {
|
|
agentManager && agentManager.requestEnd();
|
|
}
|
|
}, {});
|
|
|
|
return (method, args) => {
|
|
return new Promise((resolve, reject) => {
|
|
clientBrowser.request(method, args, (err: any, response: any) => {
|
|
if (err) {
|
|
reject(err);
|
|
return;
|
|
}
|
|
resolve(response);
|
|
});
|
|
});
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getInflationGovernor" message
|
|
*/
|
|
const GetInflationGovernorRpcResult = jsonRpcResult(GetInflationGovernorResult);
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getEpochInfo" message
|
|
*/
|
|
const GetEpochInfoRpcResult = jsonRpcResult(GetEpochInfoResult);
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getEpochSchedule" message
|
|
*/
|
|
const GetEpochScheduleRpcResult = jsonRpcResult(GetEpochScheduleResult);
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getLeaderSchedule" message
|
|
*/
|
|
const GetLeaderScheduleRpcResult = jsonRpcResult(GetLeaderScheduleResult);
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "minimumLedgerSlot" and "getFirstAvailableBlock" messages
|
|
*/
|
|
const SlotRpcResult = jsonRpcResult(number());
|
|
|
|
/**
|
|
* Supply
|
|
*
|
|
* @typedef {Object} Supply
|
|
* @property {number} total Total supply in lamports
|
|
* @property {number} circulating Circulating supply in lamports
|
|
* @property {number} nonCirculating Non-circulating supply in lamports
|
|
* @property {Array<PublicKey>} nonCirculatingAccounts List of non-circulating account addresses
|
|
*/
|
|
export type Supply = {
|
|
total: number;
|
|
circulating: number;
|
|
nonCirculating: number;
|
|
nonCirculatingAccounts: Array<PublicKey>;
|
|
};
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getSupply" message
|
|
*/
|
|
const GetSupplyRpcResult = jsonRpcResultAndContext(
|
|
pick({
|
|
total: number(),
|
|
circulating: number(),
|
|
nonCirculating: number(),
|
|
nonCirculatingAccounts: array(PublicKeyFromString),
|
|
}),
|
|
);
|
|
|
|
/**
|
|
* Token amount object which returns a token amount in different formats
|
|
* for various client use cases.
|
|
*
|
|
* @typedef {Object} TokenAmount
|
|
* @property {string} amount Raw amount of tokens as string ignoring decimals
|
|
* @property {number} decimals Number of decimals configured for token's mint
|
|
* @property {number | null} uiAmount Token amount as float, accounts for decimals
|
|
* @property {string | undefined} uiAmountString Token amount as string, accounts for decimals
|
|
*/
|
|
export type TokenAmount = {
|
|
amount: string;
|
|
decimals: number;
|
|
uiAmount: number | null;
|
|
uiAmountString?: string;
|
|
};
|
|
|
|
/**
|
|
* Expected JSON RPC structure for token amounts
|
|
*/
|
|
const TokenAmountResult = pick({
|
|
amount: string(),
|
|
uiAmount: nullable(number()),
|
|
decimals: number(),
|
|
uiAmountString: optional(string()),
|
|
});
|
|
|
|
/**
|
|
* Token address and balance.
|
|
*
|
|
* @typedef {Object} TokenAccountBalancePair
|
|
* @property {PublicKey} address Address of the token account
|
|
* @property {string} amount Raw amount of tokens as string ignoring decimals
|
|
* @property {number} decimals Number of decimals configured for token's mint
|
|
* @property {number | null} uiAmount Token amount as float, accounts for decimals
|
|
* @property {string | undefined} uiAmountString Token amount as string, accounts for decimals
|
|
*/
|
|
export type TokenAccountBalancePair = {
|
|
address: PublicKey;
|
|
amount: string;
|
|
decimals: number;
|
|
uiAmount: number | null;
|
|
uiAmountString?: string;
|
|
};
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getTokenLargestAccounts" message
|
|
*/
|
|
const GetTokenLargestAccountsResult = jsonRpcResultAndContext(
|
|
array(
|
|
pick({
|
|
address: PublicKeyFromString,
|
|
amount: string(),
|
|
uiAmount: nullable(number()),
|
|
decimals: number(),
|
|
uiAmountString: optional(string()),
|
|
}),
|
|
),
|
|
);
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getTokenAccountsByOwner" message
|
|
*/
|
|
const GetTokenAccountsByOwner = jsonRpcResultAndContext(
|
|
array(
|
|
pick({
|
|
pubkey: PublicKeyFromString,
|
|
account: pick({
|
|
executable: boolean(),
|
|
owner: PublicKeyFromString,
|
|
lamports: number(),
|
|
data: BufferFromRawAccountData,
|
|
rentEpoch: number(),
|
|
}),
|
|
}),
|
|
),
|
|
);
|
|
|
|
const ParsedAccountDataResult = pick({
|
|
program: string(),
|
|
parsed: unknown(),
|
|
space: number(),
|
|
});
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getTokenAccountsByOwner" message with parsed data
|
|
*/
|
|
const GetParsedTokenAccountsByOwner = jsonRpcResultAndContext(
|
|
array(
|
|
pick({
|
|
pubkey: PublicKeyFromString,
|
|
account: pick({
|
|
executable: boolean(),
|
|
owner: PublicKeyFromString,
|
|
lamports: number(),
|
|
data: ParsedAccountDataResult,
|
|
rentEpoch: number(),
|
|
}),
|
|
}),
|
|
),
|
|
);
|
|
|
|
/**
|
|
* Pair of an account address and its balance
|
|
*
|
|
* @typedef {Object} AccountBalancePair
|
|
* @property {PublicKey} address
|
|
* @property {number} lamports
|
|
*/
|
|
export type AccountBalancePair = {
|
|
address: PublicKey;
|
|
lamports: number;
|
|
};
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getLargestAccounts" message
|
|
*/
|
|
const GetLargestAccountsRpcResult = jsonRpcResultAndContext(
|
|
array(
|
|
pick({
|
|
lamports: number(),
|
|
address: PublicKeyFromString,
|
|
}),
|
|
),
|
|
);
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
const AccountInfoResult = pick({
|
|
executable: boolean(),
|
|
owner: PublicKeyFromString,
|
|
lamports: number(),
|
|
data: BufferFromRawAccountData,
|
|
rentEpoch: number(),
|
|
});
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
const KeyedAccountInfoResult = pick({
|
|
pubkey: PublicKeyFromString,
|
|
account: AccountInfoResult,
|
|
});
|
|
|
|
const ParsedOrRawAccountData = coerce(
|
|
union([instance(Buffer), ParsedAccountDataResult]),
|
|
union([RawAccountDataResult, ParsedAccountDataResult]),
|
|
value => {
|
|
if (Array.isArray(value)) {
|
|
return create(value, BufferFromRawAccountData);
|
|
} else {
|
|
return value;
|
|
}
|
|
},
|
|
);
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
const ParsedAccountInfoResult = pick({
|
|
executable: boolean(),
|
|
owner: PublicKeyFromString,
|
|
lamports: number(),
|
|
data: ParsedOrRawAccountData,
|
|
rentEpoch: number(),
|
|
});
|
|
|
|
const KeyedParsedAccountInfoResult = pick({
|
|
pubkey: PublicKeyFromString,
|
|
account: ParsedAccountInfoResult,
|
|
});
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
const StakeActivationResult = pick({
|
|
state: union([
|
|
literal('active'),
|
|
literal('inactive'),
|
|
literal('activating'),
|
|
literal('deactivating'),
|
|
]),
|
|
active: number(),
|
|
inactive: number(),
|
|
});
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getConfirmedSignaturesForAddress" message
|
|
*/
|
|
const GetConfirmedSignaturesForAddressRpcResult = jsonRpcResult(
|
|
array(string()),
|
|
);
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getConfirmedSignaturesForAddress2" message
|
|
*/
|
|
|
|
const GetConfirmedSignaturesForAddress2RpcResult = jsonRpcResult(
|
|
array(
|
|
pick({
|
|
signature: string(),
|
|
slot: number(),
|
|
err: TransactionErrorResult,
|
|
memo: nullable(string()),
|
|
blockTime: optional(nullable(number())),
|
|
}),
|
|
),
|
|
);
|
|
|
|
/***
|
|
* Expected JSON RPC response for the "accountNotification" message
|
|
*/
|
|
const AccountNotificationResult = pick({
|
|
subscription: number(),
|
|
result: notificationResultAndContext(AccountInfoResult),
|
|
});
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
const ProgramAccountInfoResult = pick({
|
|
pubkey: PublicKeyFromString,
|
|
account: AccountInfoResult,
|
|
});
|
|
|
|
/***
|
|
* Expected JSON RPC response for the "programNotification" message
|
|
*/
|
|
const ProgramAccountNotificationResult = pick({
|
|
subscription: number(),
|
|
result: notificationResultAndContext(ProgramAccountInfoResult),
|
|
});
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
const SlotInfoResult = pick({
|
|
parent: number(),
|
|
slot: number(),
|
|
root: number(),
|
|
});
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "slotNotification" message
|
|
*/
|
|
const SlotNotificationResult = pick({
|
|
subscription: number(),
|
|
result: SlotInfoResult,
|
|
});
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "signatureNotification" message
|
|
*/
|
|
const SignatureNotificationResult = pick({
|
|
subscription: number(),
|
|
result: notificationResultAndContext(SignatureStatusResult),
|
|
});
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "rootNotification" message
|
|
*/
|
|
const RootNotificationResult = pick({
|
|
subscription: number(),
|
|
result: number(),
|
|
});
|
|
|
|
const ContactInfoResult = pick({
|
|
pubkey: string(),
|
|
gossip: nullable(string()),
|
|
tpu: nullable(string()),
|
|
rpc: nullable(string()),
|
|
version: nullable(string()),
|
|
});
|
|
|
|
const VoteAccountInfoResult = pick({
|
|
votePubkey: string(),
|
|
nodePubkey: string(),
|
|
activatedStake: number(),
|
|
epochVoteAccount: boolean(),
|
|
epochCredits: array(tuple([number(), number(), number()])),
|
|
commission: number(),
|
|
lastVote: number(),
|
|
rootSlot: nullable(number()),
|
|
});
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getVoteAccounts" message
|
|
*/
|
|
const GetVoteAccounts = jsonRpcResult(
|
|
pick({
|
|
current: array(VoteAccountInfoResult),
|
|
delinquent: array(VoteAccountInfoResult),
|
|
}),
|
|
);
|
|
|
|
const ConfirmationStatus = union([
|
|
literal('processed'),
|
|
literal('confirmed'),
|
|
literal('finalized'),
|
|
]);
|
|
|
|
const SignatureStatusResponse = pick({
|
|
slot: number(),
|
|
confirmations: nullable(number()),
|
|
err: TransactionErrorResult,
|
|
confirmationStatus: optional(ConfirmationStatus),
|
|
});
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getSignatureStatuses" message
|
|
*/
|
|
const GetSignatureStatusesRpcResult = jsonRpcResultAndContext(
|
|
array(nullable(SignatureStatusResponse)),
|
|
);
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getMinimumBalanceForRentExemption" message
|
|
*/
|
|
const GetMinimumBalanceForRentExemptionRpcResult = jsonRpcResult(number());
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
const ConfirmedTransactionResult = pick({
|
|
signatures: array(string()),
|
|
message: pick({
|
|
accountKeys: array(string()),
|
|
header: pick({
|
|
numRequiredSignatures: number(),
|
|
numReadonlySignedAccounts: number(),
|
|
numReadonlyUnsignedAccounts: number(),
|
|
}),
|
|
instructions: array(
|
|
pick({
|
|
accounts: array(number()),
|
|
data: string(),
|
|
programIdIndex: number(),
|
|
}),
|
|
),
|
|
recentBlockhash: string(),
|
|
}),
|
|
});
|
|
|
|
const TransactionFromConfirmed = coerce(
|
|
instance(Transaction),
|
|
ConfirmedTransactionResult,
|
|
result => {
|
|
const {message, signatures} = result;
|
|
return Transaction.populate(new Message(message), signatures);
|
|
},
|
|
);
|
|
|
|
const ParsedInstructionResult = pick({
|
|
parsed: unknown(),
|
|
program: string(),
|
|
programId: PublicKeyFromString,
|
|
});
|
|
|
|
const RawInstructionResult = pick({
|
|
accounts: array(PublicKeyFromString),
|
|
data: string(),
|
|
programId: PublicKeyFromString,
|
|
});
|
|
|
|
const InstructionResult = union([
|
|
RawInstructionResult,
|
|
ParsedInstructionResult,
|
|
]);
|
|
|
|
const UnknownInstructionResult = union([
|
|
pick({
|
|
parsed: unknown(),
|
|
program: string(),
|
|
programId: string(),
|
|
}),
|
|
pick({
|
|
accounts: array(string()),
|
|
data: string(),
|
|
programId: string(),
|
|
}),
|
|
]);
|
|
|
|
const ParsedOrRawInstruction = coerce(
|
|
InstructionResult,
|
|
UnknownInstructionResult,
|
|
value => {
|
|
if ('accounts' in value) {
|
|
return create(value, RawInstructionResult);
|
|
} else {
|
|
return create(value, ParsedInstructionResult);
|
|
}
|
|
},
|
|
);
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
const ParsedConfirmedTransactionResult = pick({
|
|
signatures: array(string()),
|
|
message: pick({
|
|
accountKeys: array(
|
|
pick({
|
|
pubkey: PublicKeyFromString,
|
|
signer: boolean(),
|
|
writable: boolean(),
|
|
}),
|
|
),
|
|
instructions: array(ParsedOrRawInstruction),
|
|
recentBlockhash: string(),
|
|
}),
|
|
});
|
|
|
|
const TokenBalanceResult = pick({
|
|
accountIndex: number(),
|
|
mint: string(),
|
|
uiTokenAmount: TokenAmountResult,
|
|
});
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
const ConfirmedTransactionMetaResult = pick({
|
|
err: TransactionErrorResult,
|
|
fee: number(),
|
|
innerInstructions: optional(
|
|
nullable(
|
|
array(
|
|
pick({
|
|
index: number(),
|
|
instructions: array(
|
|
pick({
|
|
accounts: array(number()),
|
|
data: string(),
|
|
programIdIndex: number(),
|
|
}),
|
|
),
|
|
}),
|
|
),
|
|
),
|
|
),
|
|
preBalances: array(number()),
|
|
postBalances: array(number()),
|
|
logMessages: optional(nullable(array(string()))),
|
|
preTokenBalances: optional(nullable(array(TokenBalanceResult))),
|
|
postTokenBalances: optional(nullable(array(TokenBalanceResult))),
|
|
});
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
const ParsedConfirmedTransactionMetaResult = pick({
|
|
err: TransactionErrorResult,
|
|
fee: number(),
|
|
innerInstructions: optional(
|
|
nullable(
|
|
array(
|
|
pick({
|
|
index: number(),
|
|
instructions: array(ParsedOrRawInstruction),
|
|
}),
|
|
),
|
|
),
|
|
),
|
|
preBalances: array(number()),
|
|
postBalances: array(number()),
|
|
logMessages: optional(nullable(array(string()))),
|
|
preTokenBalances: optional(nullable(array(TokenBalanceResult))),
|
|
postTokenBalances: optional(nullable(array(TokenBalanceResult))),
|
|
});
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getConfirmedBlock" message
|
|
*/
|
|
export const GetConfirmedBlockRpcResult = jsonRpcResult(
|
|
nullable(
|
|
pick({
|
|
blockhash: string(),
|
|
previousBlockhash: string(),
|
|
parentSlot: number(),
|
|
transactions: array(
|
|
pick({
|
|
transaction: TransactionFromConfirmed,
|
|
meta: nullable(ConfirmedTransactionMetaResult),
|
|
}),
|
|
),
|
|
rewards: optional(
|
|
array(
|
|
pick({
|
|
pubkey: string(),
|
|
lamports: number(),
|
|
postBalance: nullable(number()),
|
|
rewardType: nullable(string()),
|
|
}),
|
|
),
|
|
),
|
|
}),
|
|
),
|
|
);
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getConfirmedTransaction" message
|
|
*/
|
|
const GetConfirmedTransactionRpcResult = jsonRpcResult(
|
|
nullable(
|
|
pick({
|
|
slot: number(),
|
|
transaction: TransactionFromConfirmed,
|
|
meta: ConfirmedTransactionMetaResult,
|
|
blockTime: optional(nullable(number())),
|
|
}),
|
|
),
|
|
);
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getConfirmedTransaction" message
|
|
*/
|
|
const GetParsedConfirmedTransactionRpcResult = jsonRpcResult(
|
|
nullable(
|
|
pick({
|
|
slot: number(),
|
|
transaction: ParsedConfirmedTransactionResult,
|
|
meta: nullable(ParsedConfirmedTransactionMetaResult),
|
|
blockTime: optional(nullable(number())),
|
|
}),
|
|
),
|
|
);
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getRecentBlockhash" message
|
|
*/
|
|
const GetRecentBlockhashAndContextRpcResult = jsonRpcResultAndContext(
|
|
pick({
|
|
blockhash: string(),
|
|
feeCalculator: pick({
|
|
lamportsPerSignature: number(),
|
|
}),
|
|
}),
|
|
);
|
|
|
|
const PerfSampleResult = pick({
|
|
slot: number(),
|
|
numTransactions: number(),
|
|
numSlots: number(),
|
|
samplePeriodSecs: number(),
|
|
});
|
|
|
|
/*
|
|
* Expected JSON RPC response for "getRecentPerformanceSamples" message
|
|
*/
|
|
const GetRecentPerformanceSamplesRpcResult = jsonRpcResult(
|
|
array(PerfSampleResult),
|
|
);
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "getFeeCalculatorForBlockhash" message
|
|
*/
|
|
const GetFeeCalculatorRpcResult = jsonRpcResultAndContext(
|
|
nullable(
|
|
pick({
|
|
feeCalculator: pick({
|
|
lamportsPerSignature: number(),
|
|
}),
|
|
}),
|
|
),
|
|
);
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "requestAirdrop" message
|
|
*/
|
|
const RequestAirdropRpcResult = jsonRpcResult(string());
|
|
|
|
/**
|
|
* Expected JSON RPC response for the "sendTransaction" message
|
|
*/
|
|
const SendTransactionRpcResult = jsonRpcResult(string());
|
|
|
|
/**
|
|
* Information about the latest slot being processed by a node
|
|
*
|
|
* @typedef {Object} SlotInfo
|
|
* @property {number} slot Currently processing slot
|
|
* @property {number} parent Parent of the current slot
|
|
* @property {number} root The root block of the current slot's fork
|
|
*/
|
|
export type SlotInfo = {
|
|
slot: number;
|
|
parent: number;
|
|
root: number;
|
|
};
|
|
|
|
/**
|
|
* Parsed account data
|
|
*
|
|
* @typedef {Object} ParsedAccountData
|
|
* @property {string} program Name of the program that owns this account
|
|
* @property {any} parsed Parsed account data
|
|
* @property {number} space Space used by account data
|
|
*/
|
|
export type ParsedAccountData = {
|
|
program: string;
|
|
parsed: any;
|
|
space: number;
|
|
};
|
|
|
|
/**
|
|
* Stake Activation data
|
|
*
|
|
* @typedef {Object} StakeActivationData
|
|
* @property {string} state: <string - the stake account's activation state, one of: active, inactive, activating, deactivating
|
|
* @property {number} active: stake active during the epoch
|
|
* @property {number} inactive: stake inactive during the epoch
|
|
*/
|
|
export type StakeActivationData = {
|
|
state: 'active' | 'inactive' | 'activating' | 'deactivating';
|
|
active: number;
|
|
inactive: number;
|
|
};
|
|
|
|
/**
|
|
* Information describing an account
|
|
*
|
|
* @typedef {Object} AccountInfo
|
|
* @property {number} lamports Number of lamports assigned to the account
|
|
* @property {PublicKey} owner Identifier of the program that owns the account
|
|
* @property {T} data Optional data assigned to the account
|
|
* @property {boolean} executable `true` if this account's data contains a loaded program
|
|
*/
|
|
export type AccountInfo<T> = {
|
|
executable: boolean;
|
|
owner: PublicKey;
|
|
lamports: number;
|
|
data: T;
|
|
};
|
|
|
|
/**
|
|
* Account information identified by pubkey
|
|
*
|
|
* @typedef {Object} KeyedAccountInfo
|
|
* @property {PublicKey} accountId
|
|
* @property {AccountInfo<Buffer>} accountInfo
|
|
*/
|
|
export type KeyedAccountInfo = {
|
|
accountId: PublicKey;
|
|
accountInfo: AccountInfo<Buffer>;
|
|
};
|
|
|
|
/**
|
|
* Callback function for account change notifications
|
|
*/
|
|
export type AccountChangeCallback = (
|
|
accountInfo: AccountInfo<Buffer>,
|
|
context: Context,
|
|
) => void;
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
type SubscriptionId = 'subscribing' | number;
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
type AccountSubscriptionInfo = {
|
|
publicKey: string; // PublicKey of the account as a base 58 string
|
|
callback: AccountChangeCallback;
|
|
commitment?: Commitment;
|
|
subscriptionId: SubscriptionId | null; // null when there's no current server subscription id
|
|
};
|
|
|
|
/**
|
|
* Callback function for program account change notifications
|
|
*/
|
|
export type ProgramAccountChangeCallback = (
|
|
keyedAccountInfo: KeyedAccountInfo,
|
|
context: Context,
|
|
) => void;
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
type ProgramAccountSubscriptionInfo = {
|
|
programId: string; // PublicKey of the program as a base 58 string
|
|
callback: ProgramAccountChangeCallback;
|
|
commitment?: Commitment;
|
|
subscriptionId: SubscriptionId | null; // null when there's no current server subscription id
|
|
};
|
|
|
|
/**
|
|
* Callback function for slot change notifications
|
|
*/
|
|
export type SlotChangeCallback = (slotInfo: SlotInfo) => void;
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
type SlotSubscriptionInfo = {
|
|
callback: SlotChangeCallback;
|
|
subscriptionId: SubscriptionId | null; // null when there's no current server subscription id
|
|
};
|
|
|
|
/**
|
|
* Callback function for signature notifications
|
|
*/
|
|
export type SignatureResultCallback = (
|
|
signatureResult: SignatureResult,
|
|
context: Context,
|
|
) => void;
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
type SignatureSubscriptionInfo = {
|
|
signature: TransactionSignature; // TransactionSignature as a base 58 string
|
|
callback: SignatureResultCallback;
|
|
commitment?: Commitment;
|
|
subscriptionId: SubscriptionId | null; // null when there's no current server subscription id
|
|
};
|
|
|
|
/**
|
|
* Callback function for root change notifications
|
|
*/
|
|
export type RootChangeCallback = (root: number) => void;
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
type RootSubscriptionInfo = {
|
|
callback: RootChangeCallback;
|
|
subscriptionId: SubscriptionId | null; // null when there's no current server subscription id
|
|
};
|
|
|
|
/**
|
|
* Signature result
|
|
*
|
|
* @typedef {Object} SignatureResult
|
|
*/
|
|
export type SignatureResult = {
|
|
err: TransactionError | null;
|
|
};
|
|
|
|
/**
|
|
* Transaction error
|
|
*
|
|
* @typedef {Object} TransactionError
|
|
*/
|
|
export type TransactionError = {};
|
|
|
|
/**
|
|
* Transaction confirmation status
|
|
* <pre>
|
|
* 'processed': Transaction landed in a block which has reached 1 confirmation by the connected node
|
|
* 'confirmed': Transaction landed in a block which has reached 1 confirmation by the cluster
|
|
* 'finalized': Transaction landed in a block which has been finalized by the cluster
|
|
* </pre>
|
|
*/
|
|
export type TransactionConfirmationStatus =
|
|
| 'processed'
|
|
| 'confirmed'
|
|
| 'finalized';
|
|
|
|
/**
|
|
* Signature status
|
|
*/
|
|
export type SignatureStatus = {
|
|
/** when the transaction was processed */
|
|
slot: number;
|
|
/** the number of blocks that have been confirmed and voted on in the fork containing `slot` */
|
|
confirmations: number | null;
|
|
/** transaction error, if any */
|
|
err: TransactionError | null;
|
|
/** cluster confirmation status, if data available. Possible responses: `processed`, `confirmed`, `finalized` */
|
|
confirmationStatus?: TransactionConfirmationStatus;
|
|
};
|
|
|
|
/**
|
|
* A confirmed signature with its status
|
|
*
|
|
* @typedef {Object} ConfirmedSignatureInfo
|
|
* @property {string} signature the transaction signature
|
|
* @property {number} slot when the transaction was processed
|
|
* @property {TransactionError | null} err error, if any
|
|
* @property {string | null} memo memo associated with the transaction, if any
|
|
* @property {number | null | undefined} blockTime The unix timestamp of when the transaction was processed
|
|
*/
|
|
export type ConfirmedSignatureInfo = {
|
|
signature: string;
|
|
slot: number;
|
|
err: TransactionError | null;
|
|
memo: string | null;
|
|
blockTime?: number | null;
|
|
};
|
|
|
|
/**
|
|
* A connection to a fullnode JSON RPC endpoint
|
|
*/
|
|
export class Connection {
|
|
/** @internal */ _commitment?: Commitment;
|
|
/** @internal */ _rpcEndpoint: string;
|
|
/** @internal */ _rpcRequest: RpcRequest;
|
|
/** @internal */ _rpcWebSocket: RpcWebSocketClient;
|
|
/** @internal */ _rpcWebSocketConnected: boolean = false;
|
|
/** @internal */ _rpcWebSocketHeartbeat: ReturnType<
|
|
typeof setInterval
|
|
> | null = null;
|
|
/** @internal */ _rpcWebSocketIdleTimeout: ReturnType<
|
|
typeof setTimeout
|
|
> | null = null;
|
|
|
|
/** @internal */ _disableBlockhashCaching: boolean = false;
|
|
/** @internal */ _pollingBlockhash: boolean = false;
|
|
/** @internal */ _blockhashInfo: {
|
|
recentBlockhash: Blockhash | null;
|
|
lastFetch: number;
|
|
simulatedSignatures: Array<string>;
|
|
transactionSignatures: Array<string>;
|
|
};
|
|
|
|
/** @internal */ _accountChangeSubscriptionCounter: number = 0;
|
|
/** @internal */ _accountChangeSubscriptions: {
|
|
[id: number]: AccountSubscriptionInfo;
|
|
} = {};
|
|
|
|
/** @internal */ _programAccountChangeSubscriptionCounter: number = 0;
|
|
/** @internal */ _programAccountChangeSubscriptions: {
|
|
[id: number]: ProgramAccountSubscriptionInfo;
|
|
} = {};
|
|
|
|
/** @internal */ _rootSubscriptionCounter: number = 0;
|
|
/** @internal */ _rootSubscriptions: {
|
|
[id: number]: RootSubscriptionInfo;
|
|
} = {};
|
|
|
|
/** @internal */ _signatureSubscriptionCounter: number = 0;
|
|
/** @internal */ _signatureSubscriptions: {
|
|
[id: number]: SignatureSubscriptionInfo;
|
|
} = {};
|
|
|
|
/** @internal */ _slotSubscriptionCounter: number = 0;
|
|
/** @internal */ _slotSubscriptions: {
|
|
[id: number]: SlotSubscriptionInfo;
|
|
} = {};
|
|
|
|
/**
|
|
* Establish a JSON RPC connection
|
|
*
|
|
* @param endpoint URL to the fullnode JSON RPC endpoint
|
|
* @param commitment optional default commitment level
|
|
*/
|
|
constructor(endpoint: string, commitment?: Commitment) {
|
|
this._rpcEndpoint = endpoint;
|
|
|
|
let url = urlParse(endpoint);
|
|
const useHttps = url.protocol === 'https:';
|
|
|
|
this._rpcRequest = createRpcRequest(url.href, useHttps);
|
|
this._commitment = commitment;
|
|
this._blockhashInfo = {
|
|
recentBlockhash: null,
|
|
lastFetch: 0,
|
|
transactionSignatures: [],
|
|
simulatedSignatures: [],
|
|
};
|
|
|
|
url.protocol = useHttps ? 'wss:' : 'ws:';
|
|
url.host = '';
|
|
// Only shift the port by +1 as a convention for ws(s) only if given endpoint
|
|
// is explictly specifying the endpoint port (HTTP-based RPC), assuming
|
|
// we're directly trying to connect to solana-validator's ws listening port.
|
|
// When the endpoint omits the port, we're connecting to the protocol
|
|
// default ports: http(80) or https(443) and it's assumed we're behind a reverse
|
|
// proxy which manages WebSocket upgrade and backend port redirection.
|
|
if (url.port !== null) {
|
|
url.port = String(Number(url.port) + 1);
|
|
}
|
|
this._rpcWebSocket = new RpcWebSocketClient(urlFormat(url), {
|
|
autoconnect: false,
|
|
max_reconnects: Infinity,
|
|
});
|
|
this._rpcWebSocket.on('open', this._wsOnOpen.bind(this));
|
|
this._rpcWebSocket.on('error', this._wsOnError.bind(this));
|
|
this._rpcWebSocket.on('close', this._wsOnClose.bind(this));
|
|
this._rpcWebSocket.on(
|
|
'accountNotification',
|
|
this._wsOnAccountNotification.bind(this),
|
|
);
|
|
this._rpcWebSocket.on(
|
|
'programNotification',
|
|
this._wsOnProgramAccountNotification.bind(this),
|
|
);
|
|
this._rpcWebSocket.on(
|
|
'slotNotification',
|
|
this._wsOnSlotNotification.bind(this),
|
|
);
|
|
this._rpcWebSocket.on(
|
|
'signatureNotification',
|
|
this._wsOnSignatureNotification.bind(this),
|
|
);
|
|
this._rpcWebSocket.on(
|
|
'rootNotification',
|
|
this._wsOnRootNotification.bind(this),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* The default commitment used for requests
|
|
*/
|
|
get commitment(): Commitment | undefined {
|
|
return this._commitment;
|
|
}
|
|
|
|
/**
|
|
* Fetch the balance for the specified public key, return with context
|
|
*/
|
|
async getBalanceAndContext(
|
|
publicKey: PublicKey,
|
|
commitment?: Commitment,
|
|
): Promise<RpcResponseAndContext<number>> {
|
|
const args = this._buildArgs([publicKey.toBase58()], commitment);
|
|
const unsafeRes = await this._rpcRequest('getBalance', args);
|
|
const res = create(unsafeRes, jsonRpcResultAndContext(number()));
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get balance for ' +
|
|
publicKey.toBase58() +
|
|
': ' +
|
|
res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the balance for the specified public key
|
|
*/
|
|
async getBalance(
|
|
publicKey: PublicKey,
|
|
commitment?: Commitment,
|
|
): Promise<number> {
|
|
return await this.getBalanceAndContext(publicKey, commitment)
|
|
.then(x => x.value)
|
|
.catch(e => {
|
|
throw new Error(
|
|
'failed to get balance of account ' + publicKey.toBase58() + ': ' + e,
|
|
);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Fetch the estimated production time of a block
|
|
*/
|
|
async getBlockTime(slot: number): Promise<number | null> {
|
|
const unsafeRes = await this._rpcRequest('getBlockTime', [slot]);
|
|
const res = create(unsafeRes, jsonRpcResult(nullable(number())));
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get block time for slot ' + slot + ': ' + res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the lowest slot that the node has information about in its ledger.
|
|
* This value may increase over time if the node is configured to purge older ledger data
|
|
*/
|
|
async getMinimumLedgerSlot(): Promise<number> {
|
|
const unsafeRes = await this._rpcRequest('minimumLedgerSlot', []);
|
|
const res = create(unsafeRes, jsonRpcResult(number()));
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get minimum ledger slot: ' + res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the slot of the lowest confirmed block that has not been purged from the ledger
|
|
*/
|
|
async getFirstAvailableBlock(): Promise<number> {
|
|
const unsafeRes = await this._rpcRequest('getFirstAvailableBlock', []);
|
|
const res = create(unsafeRes, SlotRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get first available block: ' + res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch information about the current supply
|
|
*/
|
|
async getSupply(
|
|
commitment?: Commitment,
|
|
): Promise<RpcResponseAndContext<Supply>> {
|
|
const args = this._buildArgs([], commitment);
|
|
const unsafeRes = await this._rpcRequest('getSupply', args);
|
|
const res = create(unsafeRes, GetSupplyRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error('failed to get supply: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the current supply of a token mint
|
|
*/
|
|
async getTokenSupply(
|
|
tokenMintAddress: PublicKey,
|
|
commitment?: Commitment,
|
|
): Promise<RpcResponseAndContext<TokenAmount>> {
|
|
const args = this._buildArgs([tokenMintAddress.toBase58()], commitment);
|
|
const unsafeRes = await this._rpcRequest('getTokenSupply', args);
|
|
const res = create(unsafeRes, jsonRpcResultAndContext(TokenAmountResult));
|
|
if ('error' in res) {
|
|
throw new Error('failed to get token supply: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the current balance of a token account
|
|
*/
|
|
async getTokenAccountBalance(
|
|
tokenAddress: PublicKey,
|
|
commitment?: Commitment,
|
|
): Promise<RpcResponseAndContext<TokenAmount>> {
|
|
const args = this._buildArgs([tokenAddress.toBase58()], commitment);
|
|
const unsafeRes = await this._rpcRequest('getTokenAccountBalance', args);
|
|
const res = create(unsafeRes, jsonRpcResultAndContext(TokenAmountResult));
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get token account balance: ' + res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch all the token accounts owned by the specified account
|
|
*
|
|
* @return {Promise<RpcResponseAndContext<Array<{pubkey: PublicKey, account: AccountInfo<Buffer>}>>>}
|
|
*/
|
|
async getTokenAccountsByOwner(
|
|
ownerAddress: PublicKey,
|
|
filter: TokenAccountsFilter,
|
|
commitment?: Commitment,
|
|
): Promise<
|
|
RpcResponseAndContext<
|
|
Array<{pubkey: PublicKey; account: AccountInfo<Buffer>}>
|
|
>
|
|
> {
|
|
let _args: any[] = [ownerAddress.toBase58()];
|
|
if ('mint' in filter) {
|
|
_args.push({mint: filter.mint.toBase58()});
|
|
} else {
|
|
_args.push({programId: filter.programId.toBase58()});
|
|
}
|
|
|
|
const args = this._buildArgs(_args, commitment, 'base64');
|
|
const unsafeRes = await this._rpcRequest('getTokenAccountsByOwner', args);
|
|
const res = create(unsafeRes, GetTokenAccountsByOwner);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get token accounts owned by account ' +
|
|
ownerAddress.toBase58() +
|
|
': ' +
|
|
res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch parsed token accounts owned by the specified account
|
|
*
|
|
* @return {Promise<RpcResponseAndContext<Array<{pubkey: PublicKey, account: AccountInfo<ParsedAccountData>}>>>}
|
|
*/
|
|
async getParsedTokenAccountsByOwner(
|
|
ownerAddress: PublicKey,
|
|
filter: TokenAccountsFilter,
|
|
commitment?: Commitment,
|
|
): Promise<
|
|
RpcResponseAndContext<
|
|
Array<{pubkey: PublicKey; account: AccountInfo<ParsedAccountData>}>
|
|
>
|
|
> {
|
|
let _args: any[] = [ownerAddress.toBase58()];
|
|
if ('mint' in filter) {
|
|
_args.push({mint: filter.mint.toBase58()});
|
|
} else {
|
|
_args.push({programId: filter.programId.toBase58()});
|
|
}
|
|
|
|
const args = this._buildArgs(_args, commitment, 'jsonParsed');
|
|
const unsafeRes = await this._rpcRequest('getTokenAccountsByOwner', args);
|
|
const res = create(unsafeRes, GetParsedTokenAccountsByOwner);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get token accounts owned by account ' +
|
|
ownerAddress.toBase58() +
|
|
': ' +
|
|
res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the 20 largest accounts with their current balances
|
|
*/
|
|
async getLargestAccounts(
|
|
config?: GetLargestAccountsConfig,
|
|
): Promise<RpcResponseAndContext<Array<AccountBalancePair>>> {
|
|
const arg = {
|
|
...config,
|
|
commitment: (config && config.commitment) || this.commitment,
|
|
};
|
|
const args = arg.filter || arg.commitment ? [arg] : [];
|
|
const unsafeRes = await this._rpcRequest('getLargestAccounts', args);
|
|
const res = create(unsafeRes, GetLargestAccountsRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error('failed to get largest accounts: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the 20 largest token accounts with their current balances
|
|
* for a given mint.
|
|
*/
|
|
async getTokenLargestAccounts(
|
|
mintAddress: PublicKey,
|
|
commitment?: Commitment,
|
|
): Promise<RpcResponseAndContext<Array<TokenAccountBalancePair>>> {
|
|
const args = this._buildArgs([mintAddress.toBase58()], commitment);
|
|
const unsafeRes = await this._rpcRequest('getTokenLargestAccounts', args);
|
|
const res = create(unsafeRes, GetTokenLargestAccountsResult);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get token largest accounts: ' + res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch all the account info for the specified public key, return with context
|
|
*/
|
|
async getAccountInfoAndContext(
|
|
publicKey: PublicKey,
|
|
commitment?: Commitment,
|
|
): Promise<RpcResponseAndContext<AccountInfo<Buffer> | null>> {
|
|
const args = this._buildArgs([publicKey.toBase58()], commitment, 'base64');
|
|
const unsafeRes = await this._rpcRequest('getAccountInfo', args);
|
|
const res = create(
|
|
unsafeRes,
|
|
jsonRpcResultAndContext(nullable(AccountInfoResult)),
|
|
);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get info about account ' +
|
|
publicKey.toBase58() +
|
|
': ' +
|
|
res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch parsed account info for the specified public key
|
|
*/
|
|
async getParsedAccountInfo(
|
|
publicKey: PublicKey,
|
|
commitment?: Commitment,
|
|
): Promise<
|
|
RpcResponseAndContext<AccountInfo<Buffer | ParsedAccountData> | null>
|
|
> {
|
|
const args = this._buildArgs(
|
|
[publicKey.toBase58()],
|
|
commitment,
|
|
'jsonParsed',
|
|
);
|
|
const unsafeRes = await this._rpcRequest('getAccountInfo', args);
|
|
const res = create(
|
|
unsafeRes,
|
|
jsonRpcResultAndContext(nullable(ParsedAccountInfoResult)),
|
|
);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get info about account ' +
|
|
publicKey.toBase58() +
|
|
': ' +
|
|
res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch all the account info for the specified public key
|
|
*/
|
|
async getAccountInfo(
|
|
publicKey: PublicKey,
|
|
commitment?: Commitment,
|
|
): Promise<AccountInfo<Buffer> | null> {
|
|
try {
|
|
const res = await this.getAccountInfoAndContext(publicKey, commitment);
|
|
return res.value;
|
|
} catch (e) {
|
|
throw new Error(
|
|
'failed to get info about account ' + publicKey.toBase58() + ': ' + e,
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns epoch activation information for a stake account that has been delegated
|
|
*/
|
|
async getStakeActivation(
|
|
publicKey: PublicKey,
|
|
commitment?: Commitment,
|
|
epoch?: number,
|
|
): Promise<StakeActivationData> {
|
|
const args = this._buildArgs(
|
|
[publicKey.toBase58()],
|
|
commitment,
|
|
undefined,
|
|
epoch !== undefined ? {epoch} : undefined,
|
|
);
|
|
|
|
const unsafeRes = await this._rpcRequest('getStakeActivation', args);
|
|
const res = create(unsafeRes, jsonRpcResult(StakeActivationResult));
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
`failed to get Stake Activation ${publicKey.toBase58()}: ${
|
|
res.error.message
|
|
}`,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch all the accounts owned by the specified program id
|
|
*
|
|
* @return {Promise<Array<{pubkey: PublicKey, account: AccountInfo<Buffer>}>>}
|
|
*/
|
|
async getProgramAccounts(
|
|
programId: PublicKey,
|
|
commitment?: Commitment,
|
|
): Promise<Array<{pubkey: PublicKey; account: AccountInfo<Buffer>}>> {
|
|
const args = this._buildArgs([programId.toBase58()], commitment, 'base64');
|
|
const unsafeRes = await this._rpcRequest('getProgramAccounts', args);
|
|
const res = create(unsafeRes, jsonRpcResult(array(KeyedAccountInfoResult)));
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get accounts owned by program ' +
|
|
programId.toBase58() +
|
|
': ' +
|
|
res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch and parse all the accounts owned by the specified program id
|
|
*
|
|
* @return {Promise<Array<{pubkey: PublicKey, account: AccountInfo<Buffer | ParsedAccountData>}>>}
|
|
*/
|
|
async getParsedProgramAccounts(
|
|
programId: PublicKey,
|
|
commitment?: Commitment,
|
|
): Promise<
|
|
Array<{
|
|
pubkey: PublicKey;
|
|
account: AccountInfo<Buffer | ParsedAccountData>;
|
|
}>
|
|
> {
|
|
const args = this._buildArgs(
|
|
[programId.toBase58()],
|
|
commitment,
|
|
'jsonParsed',
|
|
);
|
|
const unsafeRes = await this._rpcRequest('getProgramAccounts', args);
|
|
const res = create(
|
|
unsafeRes,
|
|
jsonRpcResult(array(KeyedParsedAccountInfoResult)),
|
|
);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get accounts owned by program ' +
|
|
programId.toBase58() +
|
|
': ' +
|
|
res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Confirm the transaction identified by the specified signature.
|
|
*/
|
|
async confirmTransaction(
|
|
signature: TransactionSignature,
|
|
commitment?: Commitment,
|
|
): Promise<RpcResponseAndContext<SignatureResult>> {
|
|
let decodedSignature;
|
|
try {
|
|
decodedSignature = bs58.decode(signature);
|
|
} catch (err) {
|
|
throw new Error('signature must be base58 encoded: ' + signature);
|
|
}
|
|
|
|
assert(decodedSignature.length === 64, 'signature has invalid length');
|
|
|
|
const start = Date.now();
|
|
const subscriptionCommitment = commitment || this.commitment;
|
|
|
|
let subscriptionId;
|
|
let response: RpcResponseAndContext<SignatureResult> | null = null;
|
|
const confirmPromise = new Promise((resolve, reject) => {
|
|
try {
|
|
subscriptionId = this.onSignature(
|
|
signature,
|
|
(result: SignatureResult, context: Context) => {
|
|
subscriptionId = undefined;
|
|
response = {
|
|
context,
|
|
value: result,
|
|
};
|
|
resolve(null);
|
|
},
|
|
subscriptionCommitment,
|
|
);
|
|
} catch (err) {
|
|
reject(err);
|
|
}
|
|
});
|
|
|
|
let timeoutMs = 60 * 1000;
|
|
switch (subscriptionCommitment) {
|
|
case 'processed':
|
|
case 'recent':
|
|
case 'single':
|
|
case 'confirmed':
|
|
case 'singleGossip': {
|
|
timeoutMs = 30 * 1000;
|
|
break;
|
|
}
|
|
// exhaust enums to ensure full coverage
|
|
case 'finalized':
|
|
case 'max':
|
|
case 'root':
|
|
}
|
|
|
|
try {
|
|
await promiseTimeout(confirmPromise, timeoutMs);
|
|
} finally {
|
|
if (subscriptionId) {
|
|
this.removeSignatureListener(subscriptionId);
|
|
}
|
|
}
|
|
|
|
if (response === null) {
|
|
const duration = (Date.now() - start) / 1000;
|
|
throw new Error(
|
|
`Transaction was not confirmed in ${duration.toFixed(
|
|
2,
|
|
)} seconds. It is unknown if it succeeded or failed. Check signature ${signature} using the Solana Explorer or CLI tools.`,
|
|
);
|
|
}
|
|
|
|
return response;
|
|
}
|
|
|
|
/**
|
|
* Return the list of nodes that are currently participating in the cluster
|
|
*/
|
|
async getClusterNodes(): Promise<Array<ContactInfo>> {
|
|
const unsafeRes = await this._rpcRequest('getClusterNodes', []);
|
|
const res = create(unsafeRes, jsonRpcResult(array(ContactInfoResult)));
|
|
if ('error' in res) {
|
|
throw new Error('failed to get cluster nodes: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Return the list of nodes that are currently participating in the cluster
|
|
*/
|
|
async getVoteAccounts(commitment?: Commitment): Promise<VoteAccountStatus> {
|
|
const args = this._buildArgs([], commitment);
|
|
const unsafeRes = await this._rpcRequest('getVoteAccounts', args);
|
|
const res = create(unsafeRes, GetVoteAccounts);
|
|
if ('error' in res) {
|
|
throw new Error('failed to get vote accounts: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the current slot that the node is processing
|
|
*/
|
|
async getSlot(commitment?: Commitment): Promise<number> {
|
|
const args = this._buildArgs([], commitment);
|
|
const unsafeRes = await this._rpcRequest('getSlot', args);
|
|
const res = create(unsafeRes, jsonRpcResult(number()));
|
|
if ('error' in res) {
|
|
throw new Error('failed to get slot: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the current slot leader of the cluster
|
|
*/
|
|
async getSlotLeader(commitment?: Commitment): Promise<string> {
|
|
const args = this._buildArgs([], commitment);
|
|
const unsafeRes = await this._rpcRequest('getSlotLeader', args);
|
|
const res = create(unsafeRes, jsonRpcResult(string()));
|
|
if ('error' in res) {
|
|
throw new Error('failed to get slot leader: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the current status of a signature
|
|
*/
|
|
async getSignatureStatus(
|
|
signature: TransactionSignature,
|
|
config?: SignatureStatusConfig,
|
|
): Promise<RpcResponseAndContext<SignatureStatus | null>> {
|
|
const {context, value: values} = await this.getSignatureStatuses(
|
|
[signature],
|
|
config,
|
|
);
|
|
assert(values.length === 1);
|
|
const value = values[0];
|
|
return {context, value};
|
|
}
|
|
|
|
/**
|
|
* Fetch the current statuses of a batch of signatures
|
|
*/
|
|
async getSignatureStatuses(
|
|
signatures: Array<TransactionSignature>,
|
|
config?: SignatureStatusConfig,
|
|
): Promise<RpcResponseAndContext<Array<SignatureStatus | null>>> {
|
|
const params: any[] = [signatures];
|
|
if (config) {
|
|
params.push(config);
|
|
}
|
|
const unsafeRes = await this._rpcRequest('getSignatureStatuses', params);
|
|
const res = create(unsafeRes, GetSignatureStatusesRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error('failed to get signature status: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the current transaction count of the cluster
|
|
*/
|
|
async getTransactionCount(commitment?: Commitment): Promise<number> {
|
|
const args = this._buildArgs([], commitment);
|
|
const unsafeRes = await this._rpcRequest('getTransactionCount', args);
|
|
const res = create(unsafeRes, jsonRpcResult(number()));
|
|
if ('error' in res) {
|
|
throw new Error('failed to get transaction count: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the current total currency supply of the cluster in lamports
|
|
*/
|
|
async getTotalSupply(commitment?: Commitment): Promise<number> {
|
|
const args = this._buildArgs([], commitment);
|
|
const unsafeRes = await this._rpcRequest('getTotalSupply', args);
|
|
const res = create(unsafeRes, jsonRpcResult(number()));
|
|
if ('error' in res) {
|
|
throw new Error('failed to get total supply: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the cluster InflationGovernor parameters
|
|
*/
|
|
async getInflationGovernor(
|
|
commitment?: Commitment,
|
|
): Promise<InflationGovernor> {
|
|
const args = this._buildArgs([], commitment);
|
|
const unsafeRes = await this._rpcRequest('getInflationGovernor', args);
|
|
const res = create(unsafeRes, GetInflationGovernorRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error('failed to get inflation: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the Epoch Info parameters
|
|
*/
|
|
async getEpochInfo(commitment?: Commitment): Promise<EpochInfo> {
|
|
const args = this._buildArgs([], commitment);
|
|
const unsafeRes = await this._rpcRequest('getEpochInfo', args);
|
|
const res = create(unsafeRes, GetEpochInfoRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error('failed to get epoch info: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the Epoch Schedule parameters
|
|
*/
|
|
async getEpochSchedule(): Promise<EpochSchedule> {
|
|
const unsafeRes = await this._rpcRequest('getEpochSchedule', []);
|
|
const res = create(unsafeRes, GetEpochScheduleRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error('failed to get epoch schedule: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the leader schedule for the current epoch
|
|
* @return {Promise<RpcResponseAndContext<LeaderSchedule>>}
|
|
*/
|
|
async getLeaderSchedule(): Promise<LeaderSchedule> {
|
|
const unsafeRes = await this._rpcRequest('getLeaderSchedule', []);
|
|
const res = create(unsafeRes, GetLeaderScheduleRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error('failed to get leader schedule: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the minimum balance needed to exempt an account of `dataLength`
|
|
* size from rent
|
|
*/
|
|
async getMinimumBalanceForRentExemption(
|
|
dataLength: number,
|
|
commitment?: Commitment,
|
|
): Promise<number> {
|
|
const args = this._buildArgs([dataLength], commitment);
|
|
const unsafeRes = await this._rpcRequest(
|
|
'getMinimumBalanceForRentExemption',
|
|
args,
|
|
);
|
|
const res = create(unsafeRes, GetMinimumBalanceForRentExemptionRpcResult);
|
|
if ('error' in res) {
|
|
console.warn('Unable to fetch minimum balance for rent exemption');
|
|
return 0;
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch a recent blockhash from the cluster, return with context
|
|
* @return {Promise<RpcResponseAndContext<{blockhash: Blockhash, feeCalculator: FeeCalculator}>>}
|
|
*/
|
|
async getRecentBlockhashAndContext(
|
|
commitment?: Commitment,
|
|
): Promise<
|
|
RpcResponseAndContext<{blockhash: Blockhash; feeCalculator: FeeCalculator}>
|
|
> {
|
|
const args = this._buildArgs([], commitment);
|
|
const unsafeRes = await this._rpcRequest('getRecentBlockhash', args);
|
|
const res = create(unsafeRes, GetRecentBlockhashAndContextRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error('failed to get recent blockhash: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch recent performance samples
|
|
* @return {Promise<Array<PerfSample>>}
|
|
*/
|
|
async getRecentPerformanceSamples(
|
|
limit?: number,
|
|
): Promise<Array<PerfSample>> {
|
|
const args = this._buildArgs(limit ? [limit] : []);
|
|
const unsafeRes = await this._rpcRequest(
|
|
'getRecentPerformanceSamples',
|
|
args,
|
|
);
|
|
const res = create(unsafeRes, GetRecentPerformanceSamplesRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get recent performance samples: ' + res.error.message,
|
|
);
|
|
}
|
|
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the fee calculator for a recent blockhash from the cluster, return with context
|
|
*/
|
|
async getFeeCalculatorForBlockhash(
|
|
blockhash: Blockhash,
|
|
commitment?: Commitment,
|
|
): Promise<RpcResponseAndContext<FeeCalculator | null>> {
|
|
const args = this._buildArgs([blockhash], commitment);
|
|
const unsafeRes = await this._rpcRequest(
|
|
'getFeeCalculatorForBlockhash',
|
|
args,
|
|
);
|
|
|
|
const res = create(unsafeRes, GetFeeCalculatorRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error('failed to get fee calculator: ' + res.error.message);
|
|
}
|
|
const {context, value} = res.result;
|
|
return {
|
|
context,
|
|
value: value !== null ? value.feeCalculator : null,
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Fetch a recent blockhash from the cluster
|
|
* @return {Promise<{blockhash: Blockhash, feeCalculator: FeeCalculator}>}
|
|
*/
|
|
async getRecentBlockhash(
|
|
commitment?: Commitment,
|
|
): Promise<{blockhash: Blockhash; feeCalculator: FeeCalculator}> {
|
|
try {
|
|
const res = await this.getRecentBlockhashAndContext(commitment);
|
|
return res.value;
|
|
} catch (e) {
|
|
throw new Error('failed to get recent blockhash: ' + e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetch the node version
|
|
*/
|
|
async getVersion(): Promise<Version> {
|
|
const unsafeRes = await this._rpcRequest('getVersion', []);
|
|
const res = create(unsafeRes, jsonRpcResult(VersionResult));
|
|
if ('error' in res) {
|
|
throw new Error('failed to get version: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch a list of Transactions and transaction statuses from the cluster
|
|
* for a confirmed block
|
|
*/
|
|
async getConfirmedBlock(slot: number): Promise<ConfirmedBlock> {
|
|
const unsafeRes = await this._rpcRequest('getConfirmedBlock', [slot]);
|
|
const res = create(unsafeRes, GetConfirmedBlockRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error('failed to get confirmed block: ' + res.error.message);
|
|
}
|
|
const result = res.result;
|
|
if (!result) {
|
|
throw new Error('Confirmed block ' + slot + ' not found');
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Fetch a transaction details for a confirmed transaction
|
|
*/
|
|
async getConfirmedTransaction(
|
|
signature: TransactionSignature,
|
|
): Promise<ConfirmedTransaction | null> {
|
|
const unsafeRes = await this._rpcRequest('getConfirmedTransaction', [
|
|
signature,
|
|
]);
|
|
const res = create(unsafeRes, GetConfirmedTransactionRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get confirmed transaction: ' + res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch parsed transaction details for a confirmed transaction
|
|
*/
|
|
async getParsedConfirmedTransaction(
|
|
signature: TransactionSignature,
|
|
): Promise<ParsedConfirmedTransaction | null> {
|
|
const unsafeRes = await this._rpcRequest('getConfirmedTransaction', [
|
|
signature,
|
|
'jsonParsed',
|
|
]);
|
|
const res = create(unsafeRes, GetParsedConfirmedTransactionRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get confirmed transaction: ' + res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch a list of all the confirmed signatures for transactions involving an address
|
|
* within a specified slot range. Max range allowed is 10,000 slots.
|
|
*
|
|
* @param address queried address
|
|
* @param startSlot start slot, inclusive
|
|
* @param endSlot end slot, inclusive
|
|
*/
|
|
async getConfirmedSignaturesForAddress(
|
|
address: PublicKey,
|
|
startSlot: number,
|
|
endSlot: number,
|
|
): Promise<Array<TransactionSignature>> {
|
|
const unsafeRes = await this._rpcRequest(
|
|
'getConfirmedSignaturesForAddress',
|
|
[address.toBase58(), startSlot, endSlot],
|
|
);
|
|
const res = create(unsafeRes, GetConfirmedSignaturesForAddressRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get confirmed signatures for address: ' + res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Returns confirmed signatures for transactions involving an
|
|
* address backwards in time from the provided signature or most recent confirmed block
|
|
*
|
|
*
|
|
* @param address queried address
|
|
* @param options
|
|
*/
|
|
async getConfirmedSignaturesForAddress2(
|
|
address: PublicKey,
|
|
options?: ConfirmedSignaturesForAddress2Options,
|
|
): Promise<Array<ConfirmedSignatureInfo>> {
|
|
const unsafeRes = await this._rpcRequest(
|
|
'getConfirmedSignaturesForAddress2',
|
|
[address.toBase58(), options],
|
|
);
|
|
const res = create(unsafeRes, GetConfirmedSignaturesForAddress2RpcResult);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'failed to get confirmed signatures for address: ' + res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Fetch the contents of a Nonce account from the cluster, return with context
|
|
*/
|
|
async getNonceAndContext(
|
|
nonceAccount: PublicKey,
|
|
commitment?: Commitment,
|
|
): Promise<RpcResponseAndContext<NonceAccount | null>> {
|
|
const {context, value: accountInfo} = await this.getAccountInfoAndContext(
|
|
nonceAccount,
|
|
commitment,
|
|
);
|
|
|
|
let value = null;
|
|
if (accountInfo !== null) {
|
|
value = NonceAccount.fromAccountData(accountInfo.data);
|
|
}
|
|
|
|
return {
|
|
context,
|
|
value,
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Fetch the contents of a Nonce account from the cluster
|
|
*/
|
|
async getNonce(
|
|
nonceAccount: PublicKey,
|
|
commitment?: Commitment,
|
|
): Promise<NonceAccount | null> {
|
|
return await this.getNonceAndContext(nonceAccount, commitment)
|
|
.then(x => x.value)
|
|
.catch(e => {
|
|
throw new Error(
|
|
'failed to get nonce for account ' +
|
|
nonceAccount.toBase58() +
|
|
': ' +
|
|
e,
|
|
);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Request an allocation of lamports to the specified account
|
|
*/
|
|
async requestAirdrop(
|
|
to: PublicKey,
|
|
amount: number,
|
|
): Promise<TransactionSignature> {
|
|
const unsafeRes = await this._rpcRequest('requestAirdrop', [
|
|
to.toBase58(),
|
|
amount,
|
|
]);
|
|
const res = create(unsafeRes, RequestAirdropRpcResult);
|
|
if ('error' in res) {
|
|
throw new Error(
|
|
'airdrop to ' + to.toBase58() + ' failed: ' + res.error.message,
|
|
);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
async _recentBlockhash(disableCache: boolean): Promise<Blockhash> {
|
|
if (!disableCache) {
|
|
// Wait for polling to finish
|
|
while (this._pollingBlockhash) {
|
|
await sleep(100);
|
|
}
|
|
// Attempt to use a recent blockhash for up to 30 seconds
|
|
const BLOCKHASH_CACHE_TIMEOUT_MS = 30 * 1000;
|
|
const timeSinceFetch = Date.now() - this._blockhashInfo.lastFetch;
|
|
const expired = timeSinceFetch >= BLOCKHASH_CACHE_TIMEOUT_MS;
|
|
if (this._blockhashInfo.recentBlockhash !== null && !expired) {
|
|
return this._blockhashInfo.recentBlockhash;
|
|
}
|
|
}
|
|
|
|
return await this._pollNewBlockhash();
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
async _pollNewBlockhash(): Promise<Blockhash> {
|
|
this._pollingBlockhash = true;
|
|
try {
|
|
const startTime = Date.now();
|
|
for (let i = 0; i < 50; i++) {
|
|
const {blockhash} = await this.getRecentBlockhash('finalized');
|
|
|
|
if (this._blockhashInfo.recentBlockhash != blockhash) {
|
|
this._blockhashInfo = {
|
|
recentBlockhash: blockhash,
|
|
lastFetch: Date.now(),
|
|
transactionSignatures: [],
|
|
simulatedSignatures: [],
|
|
};
|
|
return blockhash;
|
|
}
|
|
|
|
// Sleep for approximately half a slot
|
|
await sleep(MS_PER_SLOT / 2);
|
|
}
|
|
|
|
throw new Error(
|
|
`Unable to obtain a new blockhash after ${Date.now() - startTime}ms`,
|
|
);
|
|
} finally {
|
|
this._pollingBlockhash = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Simulate a transaction
|
|
*/
|
|
async simulateTransaction(
|
|
transaction: Transaction,
|
|
signers?: Array<Account>,
|
|
): Promise<RpcResponseAndContext<SimulatedTransactionResponse>> {
|
|
if (transaction.nonceInfo && signers) {
|
|
transaction.sign(...signers);
|
|
} else {
|
|
let disableCache = this._disableBlockhashCaching;
|
|
for (;;) {
|
|
transaction.recentBlockhash = await this._recentBlockhash(disableCache);
|
|
|
|
if (!signers) break;
|
|
|
|
transaction.sign(...signers);
|
|
if (!transaction.signature) {
|
|
throw new Error('!signature'); // should never happen
|
|
}
|
|
|
|
// If the signature of this transaction has not been seen before with the
|
|
// current recentBlockhash, all done.
|
|
const signature = transaction.signature.toString('base64');
|
|
if (
|
|
!this._blockhashInfo.simulatedSignatures.includes(signature) &&
|
|
!this._blockhashInfo.transactionSignatures.includes(signature)
|
|
) {
|
|
this._blockhashInfo.simulatedSignatures.push(signature);
|
|
break;
|
|
} else {
|
|
disableCache = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
const signData = transaction.serializeMessage();
|
|
const wireTransaction = transaction._serialize(signData);
|
|
const encodedTransaction = wireTransaction.toString('base64');
|
|
const config: any = {
|
|
encoding: 'base64',
|
|
commitment: this.commitment,
|
|
};
|
|
|
|
if (signers) {
|
|
config.sigVerify = true;
|
|
}
|
|
|
|
const args = [encodedTransaction, config];
|
|
const unsafeRes = await this._rpcRequest('simulateTransaction', args);
|
|
const res = create(unsafeRes, SimulatedTransactionResponseStruct);
|
|
if ('error' in res) {
|
|
throw new Error('failed to simulate transaction: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* Sign and send a transaction
|
|
*/
|
|
async sendTransaction(
|
|
transaction: Transaction,
|
|
signers: Array<Account>,
|
|
options?: SendOptions,
|
|
): Promise<TransactionSignature> {
|
|
if (transaction.nonceInfo) {
|
|
transaction.sign(...signers);
|
|
} else {
|
|
let disableCache = this._disableBlockhashCaching;
|
|
for (;;) {
|
|
transaction.recentBlockhash = await this._recentBlockhash(disableCache);
|
|
transaction.sign(...signers);
|
|
if (!transaction.signature) {
|
|
throw new Error('!signature'); // should never happen
|
|
}
|
|
|
|
// If the signature of this transaction has not been seen before with the
|
|
// current recentBlockhash, all done.
|
|
const signature = transaction.signature.toString('base64');
|
|
if (!this._blockhashInfo.transactionSignatures.includes(signature)) {
|
|
this._blockhashInfo.transactionSignatures.push(signature);
|
|
break;
|
|
} else {
|
|
disableCache = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
const wireTransaction = transaction.serialize();
|
|
return await this.sendRawTransaction(wireTransaction, options);
|
|
}
|
|
|
|
/**
|
|
* Send a transaction that has already been signed and serialized into the
|
|
* wire format
|
|
*/
|
|
async sendRawTransaction(
|
|
rawTransaction: Buffer | Uint8Array | Array<number>,
|
|
options?: SendOptions,
|
|
): Promise<TransactionSignature> {
|
|
const encodedTransaction = toBuffer(rawTransaction).toString('base64');
|
|
const result = await this.sendEncodedTransaction(
|
|
encodedTransaction,
|
|
options,
|
|
);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Send a transaction that has already been signed, serialized into the
|
|
* wire format, and encoded as a base64 string
|
|
*/
|
|
async sendEncodedTransaction(
|
|
encodedTransaction: string,
|
|
options?: SendOptions,
|
|
): Promise<TransactionSignature> {
|
|
const config: any = {encoding: 'base64'};
|
|
const skipPreflight = options && options.skipPreflight;
|
|
const preflightCommitment =
|
|
(options && options.preflightCommitment) || this.commitment;
|
|
|
|
if (skipPreflight) {
|
|
config.skipPreflight = skipPreflight;
|
|
}
|
|
if (preflightCommitment) {
|
|
config.preflightCommitment = preflightCommitment;
|
|
}
|
|
|
|
const args = [encodedTransaction, config];
|
|
const unsafeRes = await this._rpcRequest('sendTransaction', args);
|
|
const res = create(unsafeRes, SendTransactionRpcResult);
|
|
if ('error' in res) {
|
|
if ('data' in res.error) {
|
|
const logs = res.error.data.logs;
|
|
if (logs && Array.isArray(logs)) {
|
|
const traceIndent = '\n ';
|
|
const logTrace = traceIndent + logs.join(traceIndent);
|
|
console.error(res.error.message, logTrace);
|
|
}
|
|
}
|
|
throw new Error('failed to send transaction: ' + res.error.message);
|
|
}
|
|
return res.result;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
_wsOnOpen() {
|
|
this._rpcWebSocketConnected = true;
|
|
this._rpcWebSocketHeartbeat = setInterval(() => {
|
|
// Ping server every 5s to prevent idle timeouts
|
|
this._rpcWebSocket.notify('ping').catch(() => {});
|
|
}, 5000);
|
|
this._updateSubscriptions();
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
_wsOnError(err: Error) {
|
|
console.error('ws error:', err.message);
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
_wsOnClose(code: number) {
|
|
if (this._rpcWebSocketHeartbeat) {
|
|
clearInterval(this._rpcWebSocketHeartbeat);
|
|
this._rpcWebSocketHeartbeat = null;
|
|
}
|
|
|
|
if (code === 1000) {
|
|
// explicit close, check if any subscriptions have been made since close
|
|
this._updateSubscriptions();
|
|
return;
|
|
}
|
|
|
|
// implicit close, prepare subscriptions for auto-reconnect
|
|
this._resetSubscriptions();
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
async _subscribe(
|
|
sub: {subscriptionId: SubscriptionId | null},
|
|
rpcMethod: string,
|
|
rpcArgs: IWSRequestParams,
|
|
) {
|
|
if (sub.subscriptionId == null) {
|
|
sub.subscriptionId = 'subscribing';
|
|
try {
|
|
const id = await this._rpcWebSocket.call(rpcMethod, rpcArgs);
|
|
if (typeof id === 'number' && sub.subscriptionId === 'subscribing') {
|
|
// eslint-disable-next-line require-atomic-updates
|
|
sub.subscriptionId = id;
|
|
}
|
|
} catch (err) {
|
|
if (sub.subscriptionId === 'subscribing') {
|
|
// eslint-disable-next-line require-atomic-updates
|
|
sub.subscriptionId = null;
|
|
}
|
|
console.error(`${rpcMethod} error for argument`, rpcArgs, err.message);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
async _unsubscribe(
|
|
sub: {subscriptionId: SubscriptionId | null},
|
|
rpcMethod: string,
|
|
) {
|
|
const subscriptionId = sub.subscriptionId;
|
|
if (subscriptionId != null && typeof subscriptionId != 'string') {
|
|
const unsubscribeId: number = subscriptionId;
|
|
try {
|
|
await this._rpcWebSocket.call(rpcMethod, [unsubscribeId]);
|
|
} catch (err) {
|
|
console.error(`${rpcMethod} error:`, err.message);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
_resetSubscriptions() {
|
|
Object.values(this._accountChangeSubscriptions).forEach(
|
|
s => (s.subscriptionId = null),
|
|
);
|
|
Object.values(this._programAccountChangeSubscriptions).forEach(
|
|
s => (s.subscriptionId = null),
|
|
);
|
|
Object.values(this._signatureSubscriptions).forEach(
|
|
s => (s.subscriptionId = null),
|
|
);
|
|
Object.values(this._slotSubscriptions).forEach(
|
|
s => (s.subscriptionId = null),
|
|
);
|
|
Object.values(this._rootSubscriptions).forEach(
|
|
s => (s.subscriptionId = null),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
_updateSubscriptions() {
|
|
const accountKeys = Object.keys(this._accountChangeSubscriptions).map(
|
|
Number,
|
|
);
|
|
const programKeys = Object.keys(
|
|
this._programAccountChangeSubscriptions,
|
|
).map(Number);
|
|
const slotKeys = Object.keys(this._slotSubscriptions).map(Number);
|
|
const signatureKeys = Object.keys(this._signatureSubscriptions).map(Number);
|
|
const rootKeys = Object.keys(this._rootSubscriptions).map(Number);
|
|
if (
|
|
accountKeys.length === 0 &&
|
|
programKeys.length === 0 &&
|
|
slotKeys.length === 0 &&
|
|
signatureKeys.length === 0 &&
|
|
rootKeys.length === 0
|
|
) {
|
|
if (this._rpcWebSocketConnected) {
|
|
this._rpcWebSocketConnected = false;
|
|
this._rpcWebSocketIdleTimeout = setTimeout(() => {
|
|
this._rpcWebSocketIdleTimeout = null;
|
|
this._rpcWebSocket.close();
|
|
}, 500);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (this._rpcWebSocketIdleTimeout !== null) {
|
|
clearTimeout(this._rpcWebSocketIdleTimeout);
|
|
this._rpcWebSocketIdleTimeout = null;
|
|
this._rpcWebSocketConnected = true;
|
|
}
|
|
|
|
if (!this._rpcWebSocketConnected) {
|
|
this._rpcWebSocket.connect();
|
|
return;
|
|
}
|
|
|
|
for (let id of accountKeys) {
|
|
const sub = this._accountChangeSubscriptions[id];
|
|
this._subscribe(
|
|
sub,
|
|
'accountSubscribe',
|
|
this._buildArgs([sub.publicKey], sub.commitment, 'base64'),
|
|
);
|
|
}
|
|
|
|
for (let id of programKeys) {
|
|
const sub = this._programAccountChangeSubscriptions[id];
|
|
this._subscribe(
|
|
sub,
|
|
'programSubscribe',
|
|
this._buildArgs([sub.programId], sub.commitment, 'base64'),
|
|
);
|
|
}
|
|
|
|
for (let id of slotKeys) {
|
|
const sub = this._slotSubscriptions[id];
|
|
this._subscribe(sub, 'slotSubscribe', []);
|
|
}
|
|
|
|
for (let id of signatureKeys) {
|
|
const sub = this._signatureSubscriptions[id];
|
|
this._subscribe(
|
|
sub,
|
|
'signatureSubscribe',
|
|
this._buildArgs([sub.signature], sub.commitment),
|
|
);
|
|
}
|
|
|
|
for (let id of rootKeys) {
|
|
const sub = this._rootSubscriptions[id];
|
|
this._subscribe(sub, 'rootSubscribe', []);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
_wsOnAccountNotification(notification: object) {
|
|
const res = create(notification, AccountNotificationResult);
|
|
for (const sub of Object.values(this._accountChangeSubscriptions)) {
|
|
if (sub.subscriptionId === res.subscription) {
|
|
sub.callback(res.result.value, res.result.context);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Register a callback to be invoked whenever the specified account changes
|
|
*
|
|
* @param publicKey Public key of the account to monitor
|
|
* @param callback Function to invoke whenever the account is changed
|
|
* @param commitment Specify the commitment level account changes must reach before notification
|
|
* @return subscription id
|
|
*/
|
|
onAccountChange(
|
|
publicKey: PublicKey,
|
|
callback: AccountChangeCallback,
|
|
commitment?: Commitment,
|
|
): number {
|
|
const id = ++this._accountChangeSubscriptionCounter;
|
|
this._accountChangeSubscriptions[id] = {
|
|
publicKey: publicKey.toBase58(),
|
|
callback,
|
|
commitment,
|
|
subscriptionId: null,
|
|
};
|
|
this._updateSubscriptions();
|
|
return id;
|
|
}
|
|
|
|
/**
|
|
* Deregister an account notification callback
|
|
*
|
|
* @param id subscription id to deregister
|
|
*/
|
|
async removeAccountChangeListener(id: number): Promise<void> {
|
|
if (this._accountChangeSubscriptions[id]) {
|
|
const subInfo = this._accountChangeSubscriptions[id];
|
|
delete this._accountChangeSubscriptions[id];
|
|
await this._unsubscribe(subInfo, 'accountUnsubscribe');
|
|
this._updateSubscriptions();
|
|
} else {
|
|
throw new Error(`Unknown account change id: ${id}`);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
_wsOnProgramAccountNotification(notification: Object) {
|
|
const res = create(notification, ProgramAccountNotificationResult);
|
|
for (const sub of Object.values(this._programAccountChangeSubscriptions)) {
|
|
if (sub.subscriptionId === res.subscription) {
|
|
const {value, context} = res.result;
|
|
sub.callback(
|
|
{
|
|
accountId: value.pubkey,
|
|
accountInfo: value.account,
|
|
},
|
|
context,
|
|
);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Register a callback to be invoked whenever accounts owned by the
|
|
* specified program change
|
|
*
|
|
* @param programId Public key of the program to monitor
|
|
* @param callback Function to invoke whenever the account is changed
|
|
* @param commitment Specify the commitment level account changes must reach before notification
|
|
* @return subscription id
|
|
*/
|
|
onProgramAccountChange(
|
|
programId: PublicKey,
|
|
callback: ProgramAccountChangeCallback,
|
|
commitment?: Commitment,
|
|
): number {
|
|
const id = ++this._programAccountChangeSubscriptionCounter;
|
|
this._programAccountChangeSubscriptions[id] = {
|
|
programId: programId.toBase58(),
|
|
callback,
|
|
commitment,
|
|
subscriptionId: null,
|
|
};
|
|
this._updateSubscriptions();
|
|
return id;
|
|
}
|
|
|
|
/**
|
|
* Deregister an account notification callback
|
|
*
|
|
* @param id subscription id to deregister
|
|
*/
|
|
async removeProgramAccountChangeListener(id: number): Promise<void> {
|
|
if (this._programAccountChangeSubscriptions[id]) {
|
|
const subInfo = this._programAccountChangeSubscriptions[id];
|
|
delete this._programAccountChangeSubscriptions[id];
|
|
await this._unsubscribe(subInfo, 'programUnsubscribe');
|
|
this._updateSubscriptions();
|
|
} else {
|
|
throw new Error(`Unknown program account change id: ${id}`);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
_wsOnSlotNotification(notification: Object) {
|
|
const res = create(notification, SlotNotificationResult);
|
|
for (const sub of Object.values(this._slotSubscriptions)) {
|
|
if (sub.subscriptionId === res.subscription) {
|
|
sub.callback(res.result);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Register a callback to be invoked upon slot changes
|
|
*
|
|
* @param callback Function to invoke whenever the slot changes
|
|
* @return subscription id
|
|
*/
|
|
onSlotChange(callback: SlotChangeCallback): number {
|
|
const id = ++this._slotSubscriptionCounter;
|
|
this._slotSubscriptions[id] = {
|
|
callback,
|
|
subscriptionId: null,
|
|
};
|
|
this._updateSubscriptions();
|
|
return id;
|
|
}
|
|
|
|
/**
|
|
* Deregister a slot notification callback
|
|
*
|
|
* @param id subscription id to deregister
|
|
*/
|
|
async removeSlotChangeListener(id: number): Promise<void> {
|
|
if (this._slotSubscriptions[id]) {
|
|
const subInfo = this._slotSubscriptions[id];
|
|
delete this._slotSubscriptions[id];
|
|
await this._unsubscribe(subInfo, 'slotUnsubscribe');
|
|
this._updateSubscriptions();
|
|
} else {
|
|
throw new Error(`Unknown slot change id: ${id}`);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
_buildArgs(
|
|
args: Array<any>,
|
|
override?: Commitment,
|
|
encoding?: 'jsonParsed' | 'base64',
|
|
extra?: any,
|
|
): Array<any> {
|
|
const commitment = override || this._commitment;
|
|
if (commitment || encoding || extra) {
|
|
let options: any = {};
|
|
if (encoding) {
|
|
options.encoding = encoding;
|
|
}
|
|
if (commitment) {
|
|
options.commitment = commitment;
|
|
}
|
|
if (extra) {
|
|
options = Object.assign(options, extra);
|
|
}
|
|
args.push(options);
|
|
}
|
|
return args;
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
_wsOnSignatureNotification(notification: Object) {
|
|
const res = create(notification, SignatureNotificationResult);
|
|
for (const [id, sub] of Object.entries(this._signatureSubscriptions)) {
|
|
if (sub.subscriptionId === res.subscription) {
|
|
// Signatures subscriptions are auto-removed by the RPC service so
|
|
// no need to explicitly send an unsubscribe message
|
|
delete this._signatureSubscriptions[Number(id)];
|
|
this._updateSubscriptions();
|
|
sub.callback(res.result.value, res.result.context);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Register a callback to be invoked upon signature updates
|
|
*
|
|
* @param signature Transaction signature string in base 58
|
|
* @param callback Function to invoke on signature notifications
|
|
* @param commitment Specify the commitment level signature must reach before notification
|
|
* @return subscription id
|
|
*/
|
|
onSignature(
|
|
signature: TransactionSignature,
|
|
callback: SignatureResultCallback,
|
|
commitment?: Commitment,
|
|
): number {
|
|
const id = ++this._signatureSubscriptionCounter;
|
|
this._signatureSubscriptions[id] = {
|
|
signature,
|
|
callback,
|
|
commitment,
|
|
subscriptionId: null,
|
|
};
|
|
this._updateSubscriptions();
|
|
return id;
|
|
}
|
|
|
|
/**
|
|
* Deregister a signature notification callback
|
|
*
|
|
* @param id subscription id to deregister
|
|
*/
|
|
async removeSignatureListener(id: number): Promise<void> {
|
|
if (this._signatureSubscriptions[id]) {
|
|
const subInfo = this._signatureSubscriptions[id];
|
|
delete this._signatureSubscriptions[id];
|
|
await this._unsubscribe(subInfo, 'signatureUnsubscribe');
|
|
this._updateSubscriptions();
|
|
} else {
|
|
throw new Error(`Unknown signature result id: ${id}`);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
_wsOnRootNotification(notification: Object) {
|
|
const res = create(notification, RootNotificationResult);
|
|
for (const sub of Object.values(this._rootSubscriptions)) {
|
|
if (sub.subscriptionId === res.subscription) {
|
|
sub.callback(res.result);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Register a callback to be invoked upon root changes
|
|
*
|
|
* @param callback Function to invoke whenever the root changes
|
|
* @return subscription id
|
|
*/
|
|
onRootChange(callback: RootChangeCallback): number {
|
|
const id = ++this._rootSubscriptionCounter;
|
|
this._rootSubscriptions[id] = {
|
|
callback,
|
|
subscriptionId: null,
|
|
};
|
|
this._updateSubscriptions();
|
|
return id;
|
|
}
|
|
|
|
/**
|
|
* Deregister a root notification callback
|
|
*
|
|
* @param id subscription id to deregister
|
|
*/
|
|
async removeRootChangeListener(id: number): Promise<void> {
|
|
if (this._rootSubscriptions[id]) {
|
|
const subInfo = this._rootSubscriptions[id];
|
|
delete this._rootSubscriptions[id];
|
|
await this._unsubscribe(subInfo, 'rootUnsubscribe');
|
|
this._updateSubscriptions();
|
|
} else {
|
|
throw new Error(`Unknown root change id: ${id}`);
|
|
}
|
|
}
|
|
}
|