Function hexStripZeros

packages/utils/src/buffer/buffer.ts:27–41

(value: HexString)

// This is a clone from ethers.util hexStripZeros, in order to match polkadot util hex value with ethers
export function hexStripZeros(value: HexString): string {
  if (!isHex(value)) {
    throw new Error(`invalid hex string ${value}`);
  }
  const str = value.toString().substring(2);
  let offset = 0;
  while (offset < str.length && str[offset] === '0') {
    offset++;
  }
  const trimmed = `0x${str.substring(offset)}`;
  if (trimmed === '0x') {
    return '0x0';
  }
  return trimmed;
}