signMessageHashRsv

Signs a message hash using a private key, producing a recoverable signature in RSV order. The resulting signature can be verified using verifyMessageSignatureRsv.

This is the Clarity-compatible signature format.

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Usage

import { signMessageHashRsv } from '@stacks/transactions';

const signature = signMessageHashRsv({
  messageHash: 'a1b2c3d4...', // 32-byte hash as hex string
  privateKey: 'b244296d5907de9864c0b0d51f98a13c52890be0404e83f273144004b81874603',
});

Reference Link

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Signature

function signMessageHashRsv(opts: {
  messageHash: string;
  privateKey: PrivateKey;
}): string;

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Returns

string

A recoverable signature in RSV order as a hex string.

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Parameters

opts (required)

• Type: { messageHash: string; privateKey: PrivateKey }

opts.messageHash (required)

• Type: string

The message hash to sign (hex-encoded, 32 bytes).

opts.privateKey (required)

• Type: PrivateKey (string | Uint8Array)

The private key to sign with.