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getBTCAddressByte ​

getBTCAddressByte(account): bigint

Returns a byte value derived from the public key of a Bitcoin account, depending on its address type.

  • For P2SH(P2WPKH) addresses, adds 2 to the first byte of the public key.
  • For P2WPKH addresses, returns the first byte of the public key.
  • For P2TR addresses, returns 0n.

Usage ​

ts
import { getBTCAddressByte } from '@midl/executor';

const byteValue = getBTCAddressByte(account);

Parameters ​

NameTypeDescription
accountAccountThe Bitcoin account

Returns ​

bigint — The derived byte value.