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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/ox/_cjs/core
Просмотр файла: TransactionEnvelopeLegacy.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.type = void 0;
exports.assert = assert;
exports.deserialize = deserialize;
exports.from = from;
exports.getSignPayload = getSignPayload;
exports.hash = hash;
exports.serialize = serialize;
exports.toRpc = toRpc;
exports.validate = validate;
const Address = require("./Address.js");
const Hash = require("./Hash.js");
const Hex = require("./Hex.js");
const Rlp = require("./Rlp.js");
const Signature = require("./Signature.js");
const TransactionEnvelope = require("./TransactionEnvelope.js");
exports.type = 'legacy';
function assert(envelope) {
const { chainId, gasPrice, to } = envelope;
if (to)
Address.assert(to, { strict: false });
if (typeof chainId !== 'undefined' && chainId <= 0)
throw new TransactionEnvelope.InvalidChainIdError({ chainId });
if (gasPrice && BigInt(gasPrice) > 2n ** 256n - 1n)
throw new TransactionEnvelope.GasPriceTooHighError({ gasPrice });
}
function deserialize(serialized) {
const tuple = Rlp.toHex(serialized);
const [nonce, gasPrice, gas, to, value, data, chainIdOrV_, r, s] = tuple;
if (!(tuple.length === 6 || tuple.length === 9))
throw new TransactionEnvelope.InvalidSerializedError({
attributes: {
nonce,
gasPrice,
gas,
to,
value,
data,
...(tuple.length > 6
? {
v: chainIdOrV_,
r,
s,
}
: {}),
},
serialized,
type: exports.type,
});
const transaction = {
type: exports.type,
};
if (Hex.validate(to) && to !== '0x')
transaction.to = to;
if (Hex.validate(gas) && gas !== '0x')
transaction.gas = BigInt(gas);
if (Hex.validate(data) && data !== '0x')
transaction.data = data;
if (Hex.validate(nonce))
transaction.nonce = nonce === '0x' ? 0n : BigInt(nonce);
if (Hex.validate(value) && value !== '0x')
transaction.value = BigInt(value);
if (Hex.validate(gasPrice) && gasPrice !== '0x')
transaction.gasPrice = BigInt(gasPrice);
if (tuple.length === 6)
return transaction;
const chainIdOrV = Hex.validate(chainIdOrV_) && chainIdOrV_ !== '0x'
? Number(chainIdOrV_)
: 0;
if (s === '0x' && r === '0x') {
if (chainIdOrV > 0)
transaction.chainId = Number(chainIdOrV);
return transaction;
}
const v = chainIdOrV;
const chainId = Math.floor((v - 35) / 2);
if (chainId > 0)
transaction.chainId = chainId;
else if (v !== 27 && v !== 28)
throw new Signature.InvalidVError({ value: v });
transaction.yParity = Signature.vToYParity(v);
transaction.v = v;
transaction.s = s === '0x' ? 0n : BigInt(s);
transaction.r = r === '0x' ? 0n : BigInt(r);
assert(transaction);
return transaction;
}
function from(envelope, options = {}) {
const { signature } = options;
const envelope_ = (typeof envelope === 'string' ? deserialize(envelope) : envelope);
assert(envelope_);
const signature_ = (() => {
if (!signature)
return {};
const s = Signature.from(signature);
s.v = Signature.yParityToV(s.yParity);
return s;
})();
return {
...envelope_,
...signature_,
type: 'legacy',
};
}
function getSignPayload(envelope) {
return hash(envelope, { presign: true });
}
function hash(envelope, options = {}) {
const { presign } = options;
return Hash.keccak256(serialize({
...envelope,
...(presign
? {
r: undefined,
s: undefined,
yParity: undefined,
v: undefined,
}
: {}),
}));
}
function serialize(envelope, options = {}) {
const { chainId = 0, gas, data, input, nonce, to, value, gasPrice } = envelope;
assert(envelope);
let serialized = [
nonce ? Hex.fromNumber(nonce) : '0x',
gasPrice ? Hex.fromNumber(gasPrice) : '0x',
gas ? Hex.fromNumber(gas) : '0x',
to ?? '0x',
value ? Hex.fromNumber(value) : '0x',
data ?? input ?? '0x',
];
const signature = (() => {
if (options.signature)
return {
r: options.signature.r,
s: options.signature.s,
v: Signature.yParityToV(options.signature.yParity),
};
if (typeof envelope.r === 'undefined' || typeof envelope.s === 'undefined')
return undefined;
return {
r: envelope.r,
s: envelope.s,
v: envelope.v,
};
})();
if (signature) {
const v = (() => {
if (signature.v >= 35) {
const inferredChainId = Math.floor((signature.v - 35) / 2);
if (inferredChainId > 0)
return signature.v;
return 27 + (signature.v === 35 ? 0 : 1);
}
if (chainId > 0)
return chainId * 2 + 35 + signature.v - 27;
const v = 27 + (signature.v === 27 ? 0 : 1);
if (signature.v !== v)
throw new Signature.InvalidVError({ value: signature.v });
return v;
})();
serialized = [
...serialized,
Hex.fromNumber(v),
signature.r === 0n ? '0x' : Hex.trimLeft(Hex.fromNumber(signature.r)),
signature.s === 0n ? '0x' : Hex.trimLeft(Hex.fromNumber(signature.s)),
];
}
else if (chainId > 0)
serialized = [...serialized, Hex.fromNumber(chainId), '0x', '0x'];
return Rlp.fromHex(serialized);
}
function toRpc(envelope) {
const signature = Signature.extract(envelope);
return {
...envelope,
chainId: typeof envelope.chainId === 'number'
? Hex.fromNumber(envelope.chainId)
: undefined,
data: envelope.data ?? envelope.input,
type: '0x0',
...(typeof envelope.gas === 'bigint'
? { gas: Hex.fromNumber(envelope.gas) }
: {}),
...(typeof envelope.nonce === 'bigint'
? { nonce: Hex.fromNumber(envelope.nonce) }
: {}),
...(typeof envelope.value === 'bigint'
? { value: Hex.fromNumber(envelope.value) }
: {}),
...(typeof envelope.gasPrice === 'bigint'
? { gasPrice: Hex.fromNumber(envelope.gasPrice) }
: {}),
...(signature
? {
...Signature.toRpc(signature),
v: signature.yParity === 0 ? '0x1b' : '0x1c',
}
: {}),
};
}
function validate(envelope) {
try {
assert(envelope);
return true;
}
catch {
return false;
}
}
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