initializeNonceAccount.ts

/**
 * 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 {
    combineCodec,
    getAddressDecoder,
    getAddressEncoder,
    getStructDecoder,
    getStructEncoder,
    getU32Decoder,
    getU32Encoder,
    transformEncoder,
    type AccountMeta,
    type Address,
    type FixedSizeCodec,
    type FixedSizeDecoder,
    type FixedSizeEncoder,
    type Instruction,
    type InstructionWithAccounts,
    type InstructionWithData,
    type ReadonlyAccount,
    type ReadonlyUint8Array,
    type WritableAccount,
} from '@solana/kit';
import { SYSTEM_PROGRAM_ADDRESS } from '../programs';
import { getAccountMetaFactory, type ResolvedAccount } from '../shared';

export const INITIALIZE_NONCE_ACCOUNT_DISCRIMINATOR = 6;

export function getInitializeNonceAccountDiscriminatorBytes() {
    return getU32Encoder().encode(INITIALIZE_NONCE_ACCOUNT_DISCRIMINATOR);
}

export type InitializeNonceAccountInstruction<
    TProgram extends string = typeof SYSTEM_PROGRAM_ADDRESS,
    TAccountNonceAccount extends string | AccountMeta<string> = string,
    TAccountRecentBlockhashesSysvar extends string | AccountMeta<string> =
        'SysvarRecentB1ockHashes11111111111111111111',
    TAccountRentSysvar extends string | AccountMeta<string> = 'SysvarRent111111111111111111111111111111111',
    TRemainingAccounts extends readonly AccountMeta<string>[] = [],
> = Instruction<TProgram> &
    InstructionWithData<ReadonlyUint8Array> &
    InstructionWithAccounts<
        [
            TAccountNonceAccount extends string ? WritableAccount<TAccountNonceAccount> : TAccountNonceAccount,
            TAccountRecentBlockhashesSysvar extends string
                ? ReadonlyAccount<TAccountRecentBlockhashesSysvar>
                : TAccountRecentBlockhashesSysvar,
            TAccountRentSysvar extends string ? ReadonlyAccount<TAccountRentSysvar> : TAccountRentSysvar,
            ...TRemainingAccounts,
        ]
    >;

export type InitializeNonceAccountInstructionData = { discriminator: number; nonceAuthority: Address };

export type InitializeNonceAccountInstructionDataArgs = { nonceAuthority: Address };

export function getInitializeNonceAccountInstructionDataEncoder(): FixedSizeEncoder<InitializeNonceAccountInstructionDataArgs> {
    return transformEncoder(
        getStructEncoder([
            ['discriminator', getU32Encoder()],
            ['nonceAuthority', getAddressEncoder()],
        ]),
        value => ({ ...value, discriminator: INITIALIZE_NONCE_ACCOUNT_DISCRIMINATOR }),
    );
}

export function getInitializeNonceAccountInstructionDataDecoder(): FixedSizeDecoder<InitializeNonceAccountInstructionData> {
    return getStructDecoder([
        ['discriminator', getU32Decoder()],
        ['nonceAuthority', getAddressDecoder()],
    ]);
}

export function getInitializeNonceAccountInstructionDataCodec(): FixedSizeCodec<
    InitializeNonceAccountInstructionDataArgs,
    InitializeNonceAccountInstructionData
> {
    return combineCodec(
        getInitializeNonceAccountInstructionDataEncoder(),
        getInitializeNonceAccountInstructionDataDecoder(),
    );
}

export type InitializeNonceAccountInput<
    TAccountNonceAccount extends string = string,
    TAccountRecentBlockhashesSysvar extends string = string,
    TAccountRentSysvar extends string = string,
> = {
    nonceAccount: Address<TAccountNonceAccount>;
    recentBlockhashesSysvar?: Address<TAccountRecentBlockhashesSysvar>;
    rentSysvar?: Address<TAccountRentSysvar>;
    nonceAuthority: InitializeNonceAccountInstructionDataArgs['nonceAuthority'];
};

export function getInitializeNonceAccountInstruction<
    TAccountNonceAccount extends string,
    TAccountRecentBlockhashesSysvar extends string,
    TAccountRentSysvar extends string,
    TProgramAddress extends Address = typeof SYSTEM_PROGRAM_ADDRESS,
>(
    input: InitializeNonceAccountInput<TAccountNonceAccount, TAccountRecentBlockhashesSysvar, TAccountRentSysvar>,
    config?: { programAddress?: TProgramAddress },
): InitializeNonceAccountInstruction<
    TProgramAddress,
    TAccountNonceAccount,
    TAccountRecentBlockhashesSysvar,
    TAccountRentSysvar
> {
    // Program address.
    const programAddress = config?.programAddress ?? SYSTEM_PROGRAM_ADDRESS;

    // Original accounts.
    const originalAccounts = {
        nonceAccount: { value: input.nonceAccount ?? null, isWritable: true },
        recentBlockhashesSysvar: { value: input.recentBlockhashesSysvar ?? null, isWritable: false },
        rentSysvar: { value: input.rentSysvar ?? null, isWritable: false },
    };
    const accounts = originalAccounts as Record<keyof typeof originalAccounts, ResolvedAccount>;

    // Original args.
    const args = { ...input };

    // Resolve default values.
    if (!accounts.recentBlockhashesSysvar.value) {
        accounts.recentBlockhashesSysvar.value =
            'SysvarRecentB1ockHashes11111111111111111111' as Address<'SysvarRecentB1ockHashes11111111111111111111'>;
    }
    if (!accounts.rentSysvar.value) {
        accounts.rentSysvar.value =
            'SysvarRent111111111111111111111111111111111' as Address<'SysvarRent111111111111111111111111111111111'>;
    }

    const getAccountMeta = getAccountMetaFactory(programAddress, 'programId');
    return Object.freeze({
        accounts: [
            getAccountMeta(accounts.nonceAccount),
            getAccountMeta(accounts.recentBlockhashesSysvar),
            getAccountMeta(accounts.rentSysvar),
        ],
        data: getInitializeNonceAccountInstructionDataEncoder().encode(
            args as InitializeNonceAccountInstructionDataArgs,
        ),
        programAddress,
    } as InitializeNonceAccountInstruction<
        TProgramAddress,
        TAccountNonceAccount,
        TAccountRecentBlockhashesSysvar,
        TAccountRentSysvar
    >);
}

export type ParsedInitializeNonceAccountInstruction<
    TProgram extends string = typeof SYSTEM_PROGRAM_ADDRESS,
    TAccountMetas extends readonly AccountMeta[] = readonly AccountMeta[],
> = {
    programAddress: Address<TProgram>;
    accounts: {
        nonceAccount: TAccountMetas[0];
        recentBlockhashesSysvar: TAccountMetas[1];
        rentSysvar: TAccountMetas[2];
    };
    data: InitializeNonceAccountInstructionData;
};

export function parseInitializeNonceAccountInstruction<
    TProgram extends string,
    TAccountMetas extends readonly AccountMeta[],
>(
    instruction: Instruction<TProgram> &
        InstructionWithAccounts<TAccountMetas> &
        InstructionWithData<ReadonlyUint8Array>,
): ParsedInitializeNonceAccountInstruction<TProgram, TAccountMetas> {
    if (instruction.accounts.length < 3) {
        // TODO: Coded error.
        throw new Error('Not enough accounts');
    }
    let accountIndex = 0;
    const getNextAccount = () => {
        const accountMeta = (instruction.accounts as TAccountMetas)[accountIndex]!;
        accountIndex += 1;
        return accountMeta;
    };
    return {
        programAddress: instruction.programAddress,
        accounts: {
            nonceAccount: getNextAccount(),
            recentBlockhashesSysvar: getNextAccount(),
            rentSysvar: getNextAccount(),
        },
        data: getInitializeNonceAccountInstructionDataDecoder().decode(instruction.data),
    };
}