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• [FILE] bcs.ts
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• [FILE] index.ts
• [FILE] type-tag-serializer.ts
• [FILE] types.ts

Просмотр файла: bcs.ts

// Copyright (c) Mysten Labs, Inc.
// Modifications Copyright (c) 2024 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0

import type { BcsType, BcsTypeOptions } from '@iota/bcs';
import { bcs, fromBase58, fromBase64, fromHex, toBase58, toBase64, toHex } from '@iota/bcs';

import {
    isValidIotaAddress,
    normalizeIotaAddress,
    IOTA_ADDRESS_LENGTH,
} from '../utils/iota-types.js';
import { TypeTagSerializer } from './type-tag-serializer.js';
import type { TypeTag as TypeTagType } from './types.js';

function unsafe_u64(options?: BcsTypeOptions<number>) {
    return bcs
        .u64({
            name: 'unsafe_u64',
            ...(options as object),
        })
        .transform({
            input: (val: number | string) => val,
            output: (val) => Number(val),
        });
}

// eslint-disable-next-line @typescript-eslint/no-explicit-any
function optionEnum<T extends BcsType<any, any>>(type: T) {
    return bcs.enum('Option', {
        None: null,
        Some: type,
    });
}

export const Address = bcs.bytes(IOTA_ADDRESS_LENGTH).transform({
    validate: (val) => {
        const address = typeof val === 'string' ? val : toHex(val);
        if (!address || !isValidIotaAddress(normalizeIotaAddress(address))) {
            throw new Error(`Invalid IOTA address ${address}`);
        }
    },
    input: (val: string | Uint8Array) =>
        typeof val === 'string' ? fromHex(normalizeIotaAddress(val)) : val,
    output: (val) => normalizeIotaAddress(toHex(val)),
});

export const ObjectDigest = bcs.vector(bcs.u8()).transform({
    name: 'ObjectDigest',
    input: (value: string) => fromBase58(value),
    output: (value) => toBase58(new Uint8Array(value)),
    validate: (value) => {
        if (fromBase58(value).length !== 32) {
            throw new Error('ObjectDigest must be 32 bytes');
        }
    },
});

export const IotaObjectRef = bcs.struct('IotaObjectRef', {
    objectId: Address,
    version: bcs.u64(),
    digest: ObjectDigest,
});

export const SharedObjectRef = bcs.struct('SharedObjectRef', {
    objectId: Address,
    initialSharedVersion: bcs.u64(),
    mutable: bcs.bool(),
});

export const ObjectArg = bcs.enum('ObjectArg', {
    ImmOrOwnedObject: IotaObjectRef,
    SharedObject: SharedObjectRef,
    Receiving: IotaObjectRef,
});

export const Owner = bcs.enum('Owner', {
    AddressOwner: Address,
    ObjectOwner: Address,
    Shared: bcs.struct('Shared', {
        initialSharedVersion: bcs.u64(),
    }),
    Immutable: null,
});

export const CallArg = bcs.enum('CallArg', {
    Pure: bcs.struct('Pure', {
        bytes: bcs.vector(bcs.u8()).transform({
            input: (val: string | Uint8Array) => (typeof val === 'string' ? fromBase64(val) : val),
            output: (val) => toBase64(new Uint8Array(val)),
        }),
    }),
    Object: ObjectArg,
});

const InnerTypeTag: BcsType<TypeTagType, TypeTagType> = bcs.enum('TypeTag', {
    bool: null,
    u8: null,
    u64: null,
    u128: null,
    address: null,
    signer: null,
    vector: bcs.lazy(() => InnerTypeTag),
    struct: bcs.lazy(() => StructTag),
    u16: null,
    u32: null,
    u256: null,
}) as BcsType<TypeTagType>;

export const TypeTag = InnerTypeTag.transform({
    input: (typeTag: string | TypeTagType) =>
        typeof typeTag === 'string' ? TypeTagSerializer.parseFromStr(typeTag, true) : typeTag,
    output: (typeTag: TypeTagType) => TypeTagSerializer.tagToString(typeTag),
});

export const Argument = bcs.enum('Argument', {
    GasCoin: null,
    Input: bcs.u16(),
    Result: bcs.u16(),
    NestedResult: bcs.tuple([bcs.u16(), bcs.u16()]),
});

export const ProgrammableMoveCall = bcs.struct('ProgrammableMoveCall', {
    package: Address,
    module: bcs.string(),
    function: bcs.string(),
    typeArguments: bcs.vector(TypeTag),
    arguments: bcs.vector(Argument),
});

export const Command = bcs.enum('Command', {
    /**
     * A Move Call - any public Move function can be called via
     * this transaction. The results can be used that instant to pass
     * into the next transaction.
     */
    MoveCall: ProgrammableMoveCall,
    /**
     * Transfer vector of objects to a receiver.
     */
    TransferObjects: bcs.struct('TransferObjects', {
        objects: bcs.vector(Argument),
        address: Argument,
    }),
    // /**
    //  * Split `amount` from a `coin`.
    //  */
    SplitCoins: bcs.struct('SplitCoins', {
        coin: Argument,
        amounts: bcs.vector(Argument),
    }),
    // /**
    //  * Merge Vector of Coins (`sources`) into a `destination`.
    //  */
    MergeCoins: bcs.struct('MergeCoins', {
        destination: Argument,
        sources: bcs.vector(Argument),
    }),
    // /**
    //  * Publish a Move module.
    //  */
    Publish: bcs.struct('Publish', {
        modules: bcs.vector(
            bcs.vector(bcs.u8()).transform({
                input: (val: string | Uint8Array) =>
                    typeof val === 'string' ? fromBase64(val) : val,
                output: (val) => toBase64(new Uint8Array(val)),
            }),
        ),
        dependencies: bcs.vector(Address),
    }),
    // /**
    //  * Build a vector of objects using the input arguments.
    //  * It is impossible to export construct a `vector<T: key>` otherwise,
    //  * so this call serves a utility function.
    //  */
    MakeMoveVec: bcs.struct('MakeMoveVec', {
        type: optionEnum(TypeTag).transform({
            input: (val: string | null) =>
                val === null
                    ? {
                          None: true,
                      }
                    : {
                          Some: val,
                      },
            output: (val) => val.Some ?? null,
        }),
        elements: bcs.vector(Argument),
    }),
    Upgrade: bcs.struct('Upgrade', {
        modules: bcs.vector(
            bcs.vector(bcs.u8()).transform({
                input: (val: string | Uint8Array) =>
                    typeof val === 'string' ? fromBase64(val) : val,
                output: (val) => toBase64(new Uint8Array(val)),
            }),
        ),
        dependencies: bcs.vector(Address),
        package: Address,
        ticket: Argument,
    }),
});

export const ProgrammableTransaction = bcs.struct('ProgrammableTransaction', {
    inputs: bcs.vector(CallArg),
    commands: bcs.vector(Command),
});

export const TransactionKind = bcs.enum('TransactionKind', {
    ProgrammableTransaction: ProgrammableTransaction,
    ChangeEpoch: null,
    Genesis: null,
    ConsensusCommitPrologue: null,
});

export const TransactionExpiration = bcs.enum('TransactionExpiration', {
    None: null,
    Epoch: unsafe_u64(),
});

export const StructTag = bcs.struct('StructTag', {
    address: Address,
    module: bcs.string(),
    name: bcs.string(),
    typeParams: bcs.vector(InnerTypeTag),
});

export const GasData = bcs.struct('GasData', {
    payment: bcs.vector(IotaObjectRef),
    owner: Address,
    price: bcs.u64(),
    budget: bcs.u64(),
});

export const TransactionDataV1 = bcs.struct('TransactionDataV1', {
    kind: TransactionKind,
    sender: Address,
    gasData: GasData,
    expiration: TransactionExpiration,
});

export const TransactionData = bcs.enum('TransactionData', {
    V1: TransactionDataV1,
});

export const IntentScope = bcs.enum('IntentScope', {
    TransactionData: null,
    TransactionEffects: null,
    CheckpointSummary: null,
    PersonalMessage: null,
});

export const IntentVersion = bcs.enum('IntentVersion', {
    V0: null,
});

export const AppId = bcs.enum('AppId', {
    Iota: null,
});

export const Intent = bcs.struct('Intent', {
    scope: IntentScope,
    version: IntentVersion,
    appId: AppId,
});

export function IntentMessage<T extends BcsType<any>>(T: T) {
    return bcs.struct(`IntentMessage<${T.name}>`, {
        intent: Intent,
        value: T,
    });
}

export const CompressedSignature = bcs.enum('CompressedSignature', {
    ED25519: bcs.fixedArray(64, bcs.u8()),
    Secp256k1: bcs.fixedArray(64, bcs.u8()),
    Secp256r1: bcs.fixedArray(64, bcs.u8()),
});

export const PublicKey = bcs.enum('PublicKey', {
    ED25519: bcs.fixedArray(32, bcs.u8()),
    Secp256k1: bcs.fixedArray(33, bcs.u8()),
    Secp256r1: bcs.fixedArray(33, bcs.u8()),
});

export const MultiSigPkMap = bcs.struct('MultiSigPkMap', {
    pubKey: PublicKey,
    weight: bcs.u8(),
});

export const MultiSigPublicKey = bcs.struct('MultiSigPublicKey', {
    pk_map: bcs.vector(MultiSigPkMap),
    threshold: bcs.u16(),
});

export const MultiSig = bcs.struct('MultiSig', {
    sigs: bcs.vector(CompressedSignature),
    bitmap: bcs.u16(),
    multisig_pk: MultiSigPublicKey,
});

export const base64String = bcs.vector(bcs.u8()).transform({
    input: (val: string | Uint8Array) => (typeof val === 'string' ? fromBase64(val) : val),
    output: (val) => toBase64(new Uint8Array(val)),
});

export const SenderSignedTransaction = bcs.struct('SenderSignedTransaction', {
    intentMessage: IntentMessage(TransactionData),
    txSignatures: bcs.vector(base64String),
});

export const SenderSignedData = bcs.vector(SenderSignedTransaction, {
    name: 'SenderSignedData',
});

export const PasskeyAuthenticator = bcs.struct('PasskeyAuthenticator', {
    authenticatorData: bcs.vector(bcs.u8()),
    clientDataJson: bcs.string(),
    userSignature: bcs.vector(bcs.u8()),
});

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