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- /**
- * 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
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