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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/viem/_esm/utils/abi
Просмотр файла: encodePacked.js
import { AbiEncodingLengthMismatchError, BytesSizeMismatchError, UnsupportedPackedAbiType, } from '../../errors/abi.js';
import { InvalidAddressError, } from '../../errors/address.js';
import { isAddress } from '../address/isAddress.js';
import { concatHex } from '../data/concat.js';
import { pad } from '../data/pad.js';
import { boolToHex, numberToHex, stringToHex, } from '../encoding/toHex.js';
import { arrayRegex, bytesRegex, integerRegex } from '../regex.js';
export function encodePacked(types, values) {
if (types.length !== values.length)
throw new AbiEncodingLengthMismatchError({
expectedLength: types.length,
givenLength: values.length,
});
const data = [];
for (let i = 0; i < types.length; i++) {
const type = types[i];
const value = values[i];
data.push(encode(type, value));
}
return concatHex(data);
}
function encode(type, value, isArray = false) {
if (type === 'address') {
const address = value;
if (!isAddress(address))
throw new InvalidAddressError({ address });
return pad(address.toLowerCase(), {
size: isArray ? 32 : null,
});
}
if (type === 'string')
return stringToHex(value);
if (type === 'bytes')
return value;
if (type === 'bool')
return pad(boolToHex(value), { size: isArray ? 32 : 1 });
const intMatch = type.match(integerRegex);
if (intMatch) {
const [_type, baseType, bits = '256'] = intMatch;
const size = Number.parseInt(bits, 10) / 8;
return numberToHex(value, {
size: isArray ? 32 : size,
signed: baseType === 'int',
});
}
const bytesMatch = type.match(bytesRegex);
if (bytesMatch) {
const [_type, size] = bytesMatch;
if (Number.parseInt(size, 10) !== (value.length - 2) / 2)
throw new BytesSizeMismatchError({
expectedSize: Number.parseInt(size, 10),
givenSize: (value.length - 2) / 2,
});
return pad(value, { dir: 'right', size: isArray ? 32 : null });
}
const arrayMatch = type.match(arrayRegex);
if (arrayMatch && Array.isArray(value)) {
const [_type, childType] = arrayMatch;
const data = [];
for (let i = 0; i < value.length; i++) {
data.push(encode(childType, value[i], true));
}
if (data.length === 0)
return '0x';
return concatHex(data);
}
throw new UnsupportedPackedAbiType(type);
}
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