/** * About bytes32 strings... * * @_docloc: api/utils:Bytes32 Strings */ import { getBytes, toUtf8Bytes, toUtf8String, zeroPadBytes } from "../utils/index.js"; /** * Encodes %%text%% as a Bytes32 string. */ export function encodeBytes32String(text) { // Get the bytes const bytes = toUtf8Bytes(text); // Check we have room for null-termination if (bytes.length > 31) { throw new Error("bytes32 string must be less than 32 bytes"); } // Zero-pad (implicitly null-terminates) return zeroPadBytes(bytes, 32); } /** * Encodes the Bytes32-encoded %%bytes%% into a string. */ export function decodeBytes32String(_bytes) { const data = getBytes(_bytes, "bytes"); // Must be 32 bytes with a null-termination if (data.length !== 32) { throw new Error("invalid bytes32 - not 32 bytes long"); } if (data[31] !== 0) { throw new Error("invalid bytes32 string - no null terminator"); } // Find the null termination let length = 31; while (data[length - 1] === 0) { length--; } // Determine the string value return toUtf8String(data.slice(0, length)); } //# sourceMappingURL=bytes32.js.map