@blooo/hw-app-concordium/lib/utils.d.ts

Ledger Hardware Wallet Concordium Application API

import { AccountTransactionType } from "@concordium/web-sdk";
/**
 * Checks if a transaction handler exists for a given transaction kind.
 * @param transactionKind The type of account transaction.
 * @returns True if a handler exists, false otherwise.
 */
export declare function isAccountTransactionHandlerExists(transactionKind: AccountTransactionType): boolean;
/**
 * Encodes a 64-bit unsigned integer to a Buffer using big endian.
 * @param value A 64-bit integer.
 * @param useLittleEndian A boolean value, if not given, the value is serialized in big endian.
 * @returns Big endian serialization of the input.
 */
export declare function encodeWord64(value: any, useLittleEndian?: boolean): Buffer;
/**
 * Encodes a 32-bit signed integer to a Buffer using big endian.
 * @param value A 32-bit integer.
 * @param useLittleEndian A boolean value, if not given, the value is serialized in big endian.
 * @returns Big endian serialization of the input.
 */
export declare function encodeInt32(value: any, useLittleEndian?: boolean): Buffer;
/**
 * Encodes a 32-bit unsigned integer to a Buffer.
 * @param value A 32-bit integer.
 * @param useLittleEndian A boolean value, if not given, the value is serialized in big endian.
 * @returns Big endian serialization of the input.
 */
export declare function encodeWord32(value: any, useLittleEndian?: boolean): Buffer;
/**
 * Encodes a 16-bit unsigned integer to a Buffer using big endian.
 * @param value A 16-bit integer.
 * @param useLittleEndian A boolean value, if not given, the value is serialized in big endian.
 * @returns Big endian serialization of the input.
 */
export declare function encodeWord16(value: any, useLittleEndian?: boolean): Buffer;
/**
 * Encodes an 8-bit signed integer to a Buffer using big endian.
 * @param value An 8-bit integer.
 * @returns Big endian serialization of the input.
 */
export declare function encodeInt8(value: number): Buffer;
/**
 * Encodes a data blob with its length as a prefix.
 * @param blob The data blob to encode.
 * @returns A Buffer containing the length-prefixed data blob.
 */
export declare function encodeDataBlob(blob: any): Buffer;
/**
 * Serializes an account transaction header.
 * @param accountTransaction The account transaction header with metadata about the transaction.
 * @param payloadSize The byte size of the serialized payload.
 * @returns The serialized account transaction header.
 */
export declare const serializeAccountTransactionHeader: (accountTransaction: any, payloadSize: any) => Buffer;
/**
 * Serializes a transaction and its signatures.
 * This serialization when sha256 hashed is considered as the transaction hash,
 * and is used to look up the status of a submitted transaction.
 * @param accountTransaction The transaction to serialize.
 * @param signatures Signatures on the signed digest of the transaction.
 * @returns The serialization of the account transaction, which is used to calculate the transaction hash.
 */
export declare const serializeAccountTransaction: (accountTransaction: any) => Buffer;
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