UNPKG

@robertprp/intents-sdk

Version:

Shogun Network Intent-based cross-chain swaps SDK

223 lines (209 loc) 8.14 kB
/** * This code was AUTOGENERATED using the codama library. * Please DO NOT EDIT THIS FILE, instead use visitors * to add features, then rerun codama to update it. * * @see https://github.com/codama-idl/codama */ import { assertAccountExists, assertAccountsExist, decodeAccount, fetchEncodedAccount, fetchEncodedAccounts, type Account, type EncodedAccount, type FetchAccountConfig, type FetchAccountsConfig, type MaybeAccount, type MaybeEncodedAccount, } from '@solana/kit'; import { getAddressDecoder, getAddressEncoder, type Address } from '@solana/kit'; import { combineCodec, fixDecoderSize, fixEncoderSize, getArrayDecoder, getArrayEncoder, getBytesDecoder, getBytesEncoder, getStructDecoder, getStructEncoder, getU32Decoder, getU32Encoder, getU64Decoder, getU64Encoder, transformEncoder, type Codec, type Decoder, type Encoder, type ReadonlyUint8Array, } from '@solana/kit'; export const DCA_ORDER_DISCRIMINATOR = new Uint8Array([55, 1, 103, 253, 215, 66, 27, 57]); export function getDcaOrderDiscriminatorBytes() { return fixEncoderSize(getBytesEncoder(), 8).encode(DCA_ORDER_DISCRIMINATOR); } export type DcaOrder = { discriminator: ReadonlyUint8Array; /** User address, that created this order */ user: Address; /** Guard address, that will protect this order execution */ guard: Address; /** Token IN that user wants to spend */ tokenInMint: Address; /** Amount of tokens IN user is willing to spend per interval/trade */ amountInPerInterval: bigint; /** Minimum amount of tokens OUT to receive PER INTERVAL */ amountOutMin: bigint; /** Timestamp (in seconds) when the user created and submitted the DCA order */ startTime: number; /** Deadline for the operation, in Unix timestamp format, in SECONDS */ deadline: number; /** Total number of intervals over which the DCA order will be executed */ totalIntervals: number; /** DCA interval duration, in seconds */ intervalDuration: number; /** * Keccak256 hash of (token_out,receiver,extra_transfers_tokens_and_receivers,secret_number) * Since we want to hide tokens OUT right until execution moment to protect user from * any sort of MEV attack */ secretHash: ReadonlyUint8Array; /** * Array of requested extra transfers amounts * Since we want to hide tokens OUT and receivers right until execution moment * to protect user from any sort of MEV attack * Tokens and receivers will be collected from `remaining_accounts` * during fulfillment and checked against `secret_hash` value */ extraTransfersAmounts: Array<bigint>; /** Total number of already executed intervals */ totalExecutedIntervals: number; /** INDEX of last executed interval */ lastExecutedIntervalIndex: number; }; export type DcaOrderArgs = { /** User address, that created this order */ user: Address; /** Guard address, that will protect this order execution */ guard: Address; /** Token IN that user wants to spend */ tokenInMint: Address; /** Amount of tokens IN user is willing to spend per interval/trade */ amountInPerInterval: number | bigint; /** Minimum amount of tokens OUT to receive PER INTERVAL */ amountOutMin: number | bigint; /** Timestamp (in seconds) when the user created and submitted the DCA order */ startTime: number; /** Deadline for the operation, in Unix timestamp format, in SECONDS */ deadline: number; /** Total number of intervals over which the DCA order will be executed */ totalIntervals: number; /** DCA interval duration, in seconds */ intervalDuration: number; /** * Keccak256 hash of (token_out,receiver,extra_transfers_tokens_and_receivers,secret_number) * Since we want to hide tokens OUT right until execution moment to protect user from * any sort of MEV attack */ secretHash: ReadonlyUint8Array; /** * Array of requested extra transfers amounts * Since we want to hide tokens OUT and receivers right until execution moment * to protect user from any sort of MEV attack * Tokens and receivers will be collected from `remaining_accounts` * during fulfillment and checked against `secret_hash` value */ extraTransfersAmounts: Array<number | bigint>; /** Total number of already executed intervals */ totalExecutedIntervals: number; /** INDEX of last executed interval */ lastExecutedIntervalIndex: number; }; export function getDcaOrderEncoder(): Encoder<DcaOrderArgs> { return transformEncoder( getStructEncoder([ ['discriminator', fixEncoderSize(getBytesEncoder(), 8)], ['user', getAddressEncoder()], ['guard', getAddressEncoder()], ['tokenInMint', getAddressEncoder()], ['amountInPerInterval', getU64Encoder()], ['amountOutMin', getU64Encoder()], ['startTime', getU32Encoder()], ['deadline', getU32Encoder()], ['totalIntervals', getU32Encoder()], ['intervalDuration', getU32Encoder()], ['secretHash', fixEncoderSize(getBytesEncoder(), 32)], ['extraTransfersAmounts', getArrayEncoder(getU64Encoder())], ['totalExecutedIntervals', getU32Encoder()], ['lastExecutedIntervalIndex', getU32Encoder()], ]), (value) => ({ ...value, discriminator: DCA_ORDER_DISCRIMINATOR }), ); } export function getDcaOrderDecoder(): Decoder<DcaOrder> { return getStructDecoder([ ['discriminator', fixDecoderSize(getBytesDecoder(), 8)], ['user', getAddressDecoder()], ['guard', getAddressDecoder()], ['tokenInMint', getAddressDecoder()], ['amountInPerInterval', getU64Decoder()], ['amountOutMin', getU64Decoder()], ['startTime', getU32Decoder()], ['deadline', getU32Decoder()], ['totalIntervals', getU32Decoder()], ['intervalDuration', getU32Decoder()], ['secretHash', fixDecoderSize(getBytesDecoder(), 32)], ['extraTransfersAmounts', getArrayDecoder(getU64Decoder())], ['totalExecutedIntervals', getU32Decoder()], ['lastExecutedIntervalIndex', getU32Decoder()], ]); } export function getDcaOrderCodec(): Codec<DcaOrderArgs, DcaOrder> { return combineCodec(getDcaOrderEncoder(), getDcaOrderDecoder()); } export function decodeDcaOrder<TAddress extends string = string>( encodedAccount: EncodedAccount<TAddress>, ): Account<DcaOrder, TAddress>; export function decodeDcaOrder<TAddress extends string = string>( encodedAccount: MaybeEncodedAccount<TAddress>, ): MaybeAccount<DcaOrder, TAddress>; export function decodeDcaOrder<TAddress extends string = string>( encodedAccount: EncodedAccount<TAddress> | MaybeEncodedAccount<TAddress>, ): Account<DcaOrder, TAddress> | MaybeAccount<DcaOrder, TAddress> { return decodeAccount(encodedAccount as MaybeEncodedAccount<TAddress>, getDcaOrderDecoder()); } export async function fetchDcaOrder<TAddress extends string = string>( rpc: Parameters<typeof fetchEncodedAccount>[0], address: Address<TAddress>, config?: FetchAccountConfig, ): Promise<Account<DcaOrder, TAddress>> { const maybeAccount = await fetchMaybeDcaOrder(rpc, address, config); assertAccountExists(maybeAccount); return maybeAccount; } export async function fetchMaybeDcaOrder<TAddress extends string = string>( rpc: Parameters<typeof fetchEncodedAccount>[0], address: Address<TAddress>, config?: FetchAccountConfig, ): Promise<MaybeAccount<DcaOrder, TAddress>> { const maybeAccount = await fetchEncodedAccount(rpc, address, config); return decodeDcaOrder(maybeAccount); } export async function fetchAllDcaOrder( rpc: Parameters<typeof fetchEncodedAccounts>[0], addresses: Array<Address>, config?: FetchAccountsConfig, ): Promise<Account<DcaOrder>[]> { const maybeAccounts = await fetchAllMaybeDcaOrder(rpc, addresses, config); assertAccountsExist(maybeAccounts); return maybeAccounts; } export async function fetchAllMaybeDcaOrder( rpc: Parameters<typeof fetchEncodedAccounts>[0], addresses: Array<Address>, config?: FetchAccountsConfig, ): Promise<MaybeAccount<DcaOrder>[]> { const maybeAccounts = await fetchEncodedAccounts(rpc, addresses, config); return maybeAccounts.map((maybeAccount) => decodeDcaOrder(maybeAccount)); }