ecash-lib/dist/messages.d.ts

Library for eCash transaction building

/**
 * Messages are prepared in a standard way before signing and verifying
 *
 * - The raw message (e.g., "Hello, world!") is encoded as a UTF-8 byte array
 * - The prefixed message is constructed as:
 *
 *   [prefix][message_length][message]
 *
 *   where message_length is a variable-length integer (varint) encoding the
 *   byte length of the message
 *
 * We keep the "magicHash" name used in bitcoinjs-message as we do the same thing here
 * with eCash tools
 *
 * ref https://github.com/bitcoinjs/bitcoinjs-message/blob/master/index.js#L57
 */
export declare const magicHash: (message: string, messagePrefix?: string) => Uint8Array;
/**
 * Sign a message
 *
 * While there is not an official BIP or spec here, there is
 * a de facto standard
 *
 * See implementation in bitcoinjs-lib and electrum
 */
export declare const signMsg: (msg: string, sk: Uint8Array, prefix?: string) => string;
/**
 * Verify that a given message and signature
 * came from a given address
 */
export declare const verifyMsg: (msg: string, signature: string, address: string, prefix?: string) => boolean;
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