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Текущая директория: /opt/BitGoJS/node_modules/@stacks/transactions/dist/esm/clarity
Просмотр файла: deserialize.js
import { Buffer } from '@stacks/common';
import { ClarityType, intCV, uintCV, bufferCV, trueCV, falseCV, standardPrincipalCVFromAddress, contractPrincipalCVFromAddress, responseOkCV, responseErrorCV, noneCV, someCV, listCV, tupleCV, } from '.';
import { BufferReader } from '../bufferReader';
import { deserializeAddress, deserializeLPString } from '../types';
import { DeserializationError } from '../errors';
import { stringAsciiCV, stringUtf8CV } from './types/stringCV';
export default function deserializeCV(serializedClarityValue) {
let bufferReader;
if (typeof serializedClarityValue === 'string') {
const hasHexPrefix = serializedClarityValue.slice(0, 2).toLowerCase() === '0x';
bufferReader = new BufferReader(Buffer.from(hasHexPrefix ? serializedClarityValue.slice(2) : serializedClarityValue, 'hex'));
}
else if (Buffer.isBuffer(serializedClarityValue)) {
bufferReader = new BufferReader(serializedClarityValue);
}
else {
bufferReader = serializedClarityValue;
}
const type = bufferReader.readUInt8Enum(ClarityType, n => {
throw new DeserializationError(`Cannot recognize Clarity Type: ${n}`);
});
switch (type) {
case ClarityType.Int:
return intCV(bufferReader.readBuffer(16));
case ClarityType.UInt:
return uintCV(bufferReader.readBuffer(16));
case ClarityType.Buffer:
const bufferLength = bufferReader.readUInt32BE();
return bufferCV(bufferReader.readBuffer(bufferLength));
case ClarityType.BoolTrue:
return trueCV();
case ClarityType.BoolFalse:
return falseCV();
case ClarityType.PrincipalStandard:
const sAddress = deserializeAddress(bufferReader);
return standardPrincipalCVFromAddress(sAddress);
case ClarityType.PrincipalContract:
const cAddress = deserializeAddress(bufferReader);
const contractName = deserializeLPString(bufferReader);
return contractPrincipalCVFromAddress(cAddress, contractName);
case ClarityType.ResponseOk:
return responseOkCV(deserializeCV(bufferReader));
case ClarityType.ResponseErr:
return responseErrorCV(deserializeCV(bufferReader));
case ClarityType.OptionalNone:
return noneCV();
case ClarityType.OptionalSome:
return someCV(deserializeCV(bufferReader));
case ClarityType.List:
const listLength = bufferReader.readUInt32BE();
const listContents = [];
for (let i = 0; i < listLength; i++) {
listContents.push(deserializeCV(bufferReader));
}
return listCV(listContents);
case ClarityType.Tuple:
const tupleLength = bufferReader.readUInt32BE();
const tupleContents = {};
for (let i = 0; i < tupleLength; i++) {
const clarityName = deserializeLPString(bufferReader).content;
if (clarityName === undefined) {
throw new DeserializationError('"content" is undefined');
}
tupleContents[clarityName] = deserializeCV(bufferReader);
}
return tupleCV(tupleContents);
case ClarityType.StringASCII:
const asciiStrLen = bufferReader.readUInt32BE();
const asciiStr = bufferReader.readBuffer(asciiStrLen).toString('ascii');
return stringAsciiCV(asciiStr);
case ClarityType.StringUTF8:
const utf8StrLen = bufferReader.readUInt32BE();
const utf8Str = bufferReader.readBuffer(utf8StrLen).toString('utf8');
return stringUtf8CV(utf8Str);
default:
throw new DeserializationError('Unable to deserialize Clarity Value from buffer. Could not find valid Clarity Type.');
}
}
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