@ethda/blobs
Version:
Ethda Blobs SDK
781 lines (770 loc) • 27.1 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var path = require('path');
var ethers = require('ethers');
var cKzg = require('c-kzg');
var common = require('@ethereumjs/common');
var tx = require('@ethereumjs/tx');
var keccak = require('ethereum-cryptography/keccak');
var rlp = require('@ethereumjs/rlp');
var util = require('@ethereumjs/util');
(function (Network) {
Network["DencunDevnet12"] = "dencun-devnet-12";
Network["EthDADevnet"] = "ethda-devnet";
})(exports.Network || (exports.Network = {}));
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function _delay() {
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/* eslint-disable @typescript-eslint/no-explicit-any */
function debug(message) {
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var _console;
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}
(_console = console).log.apply(_console, [message].concat(optionalParams));
}
}
var NULL_ADDRESS = '0x0000000000000000000000000000000000000000';
var ZERO_BYTES32 = '0x0000000000000000000000000000000000000000000000000000000000000000';
var BlobTxBytesPerFieldElement = 32; // Size in bytes of a field element
var BlobTxFieldElementsPerBlob = 4096;
var BLOB_SIZE = BlobTxBytesPerFieldElement * BlobTxFieldElementsPerBlob;
function _getBytes(value, copy) {
if (value instanceof Uint8Array) {
if (copy) {
return new Uint8Array(value);
}
return value;
}
if (typeof value === 'string' && value.match(/^0x([0-9a-f][0-9a-f])*$/i)) {
var result = new Uint8Array((value.length - 2) / 2);
var offset = 2;
for (var i = 0; i < result.length; i++) {
result[i] = parseInt(value.substring(offset, offset + 2), 16);
offset += 2;
}
// console.log(result, result.length);
return result;
}
return undefined;
}
function getBytes(value) {
return _getBytes(value, false);
}
function computeVersionedHash(commitment, blobCommitmentVersion) {
var computedVersionedHash = new Uint8Array(32);
computedVersionedHash.set([blobCommitmentVersion], 0);
var hash = getBytes(ethers.ethers.utils.sha256(commitment));
computedVersionedHash.set(hash.subarray(1), 1);
return computedVersionedHash;
}
function commitmentsToVersionedHashes(commitment) {
return computeVersionedHash(commitment, 0x01);
}
function EncodeBlobs(data) {
var len = data.length;
if (len === 0) {
throw Error('invalid blob data');
}
var blobIndex = 0;
var fieldIndex = -1;
var blobs = [new Uint8Array(BLOB_SIZE).fill(0)];
for (var i = 0; i < len; i += 31) {
fieldIndex++;
if (fieldIndex === BlobTxFieldElementsPerBlob) {
blobs.push(new Uint8Array(BLOB_SIZE).fill(0));
blobIndex++;
fieldIndex = 0;
}
var max = i + 31;
if (max > len) {
max = len;
}
blobs[blobIndex].set(data.subarray(i, max), fieldIndex * 32 + 1);
}
return blobs;
}
function DecodeBlob(blob) {
if (!blob) {
throw Error('invalid blob data');
}
blob = getBytes(blob);
if (blob.length < BLOB_SIZE) {
var newBlob = new Uint8Array(BLOB_SIZE).fill(0);
newBlob.set(blob);
blob = newBlob;
}
var data = [];
var j = 0;
for (var _i = 0; _i < BlobTxFieldElementsPerBlob; _i++) {
var chunk = blob.subarray(j + 1, j + 32);
data = [].concat(data, chunk);
j += 32;
}
var i = data.length - 1;
for (; i >= 0; i--) {
if (data[i] !== 0x00) {
break;
}
}
var newData = data.slice(0, i + 1);
return newData;
}
function DecodeBlobs(blobs) {
if (!blobs) {
throw Error('invalid blobs');
}
blobs = getBytes(blobs);
var len = blobs.length;
if (len === 0) {
throw Error('invalid blobs');
}
var buf = [];
for (var i = 0; i < len; i += BLOB_SIZE) {
var max = i + BLOB_SIZE;
if (max > len) {
max = len;
}
var blob = blobs.subarray(i, max);
var blobBuf = DecodeBlob(blob);
buf = [].concat(buf, blobBuf);
}
return Buffer.from(buf);
}
function parseBigintValue(value) {
if (value) {
if (typeof value == 'bigint') {
return '0x' + value.toString(16);
}
if (typeof value == 'object') {
var _hex = value._hex;
var c = BigInt(_hex);
return '0x' + c.toString(16);
}
}
return value;
}
var BlobClient = /*#__PURE__*/function () {
function BlobClient(provider) {
if (provider instanceof ethers.ethers.providers.JsonRpcProvider) {
this._provider = provider;
} else {
this._provider = provider.provider;
this._signer = provider;
}
var SETUP_FILE_PATH = path.resolve(__dirname, 'lib', 'trusted_setup.txt');
console.log(SETUP_FILE_PATH);
cKzg.loadTrustedSetup(SETUP_FILE_PATH);
}
var _proto = BlobClient.prototype;
_proto.sanityCheck = /*#__PURE__*/function () {
var _sanityCheck = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee(tx) {
var _to, _data, _maxPriorityFeePerGas;
var chainId, nonce, to, value, data, maxPriorityFeePerGas, maxFeePerGas, gasLimit, maxFeePerBlobGas;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
chainId = tx.chainId, nonce = tx.nonce, to = tx.to, value = tx.value, data = tx.data, maxPriorityFeePerGas = tx.maxPriorityFeePerGas, maxFeePerGas = tx.maxFeePerGas, gasLimit = tx.gasLimit, maxFeePerBlobGas = tx.maxFeePerBlobGas;
if (chainId) {
_context.next = 5;
break;
}
_context.next = 4;
return this._provider.getNetwork();
case 4:
chainId = _context.sent.chainId;
case 5:
if (nonce) {
_context.next = 9;
break;
}
_context.next = 8;
return this._signer.getTransactionCount();
case 8:
nonce = _context.sent;
case 9:
value = !value ? '0x' : parseBigintValue(value);
// if (!maxFeePerGas) {
// const params = { from: this._wallet.address, to, data, value };
// // gasLimit = await this.estimateGas(params);
// maxFeePerGas = await this.suggestGasPrice();
// if (!maxFeePerGas) {
// throw Error('estimateGas: execution reverted');
// }
// } else {
// maxFeePerGas = parseBigintValue(maxFeePerGas);
// }
maxFeePerGas = 1000000000n;
// TODO
maxFeePerBlobGas = !maxFeePerBlobGas ? 2000000000000 : parseBigintValue(maxFeePerBlobGas);
to = (_to = to) != null ? _to : ethers.constants.AddressZero;
gasLimit = 21000;
data = (_data = data) != null ? _data : '0x';
maxPriorityFeePerGas = (_maxPriorityFeePerGas = maxPriorityFeePerGas) != null ? _maxPriorityFeePerGas : 0;
return _context.abrupt("return", {
chainId: chainId,
nonce: nonce,
to: to,
value: value,
data: data,
maxPriorityFeePerGas: maxPriorityFeePerGas,
maxFeePerGas: maxFeePerGas,
gasLimit: gasLimit,
maxFeePerBlobGas: maxFeePerBlobGas
});
case 17:
case "end":
return _context.stop();
}
}, _callee, this);
}));
function sanityCheck(_x) {
return _sanityCheck.apply(this, arguments);
}
return sanityCheck;
}();
_proto.sendTx = /*#__PURE__*/function () {
var _sendTx = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee2(blobs, tx$1) {
var _yield$this$sanityChe, chainId, nonce, to, value, data, maxFeePerGas, gasLimit, maxFeePerBlobGas, commitments, proofs, versionedHashes, i, common$1, message, signHash, pk, _ecsign, v, r, s, blobTx, rawData, hex;
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
console.log('receive', tx$1);
/* eslint-disable prefer-const */
_context2.next = 3;
return this.sanityCheck(tx$1);
case 3:
_yield$this$sanityChe = _context2.sent;
chainId = _yield$this$sanityChe.chainId;
nonce = _yield$this$sanityChe.nonce;
to = _yield$this$sanityChe.to;
value = _yield$this$sanityChe.value;
data = _yield$this$sanityChe.data;
maxFeePerGas = _yield$this$sanityChe.maxFeePerGas;
gasLimit = _yield$this$sanityChe.gasLimit;
maxFeePerBlobGas = _yield$this$sanityChe.maxFeePerBlobGas;
// blobs
commitments = [];
proofs = [];
versionedHashes = [];
for (i = 0; i < blobs.length; i++) {
commitments.push(cKzg.blobToKzgCommitment(blobs[i]));
proofs.push(cKzg.computeBlobKzgProof(blobs[i], commitments[i]));
versionedHashes.push(commitmentsToVersionedHashes(commitments[i]));
}
common$1 = common.Common.custom({
name: 'ethda',
networkId: chainId,
chainId: chainId
}, {
eips: [1559, 3860, 4844]
});
console.log(chainId);
message = [nonce, maxFeePerGas, gasLimit, to, value, data, 1001n, 0, 0];
signHash = keccak.keccak256(rlp.RLP.encode(message));
pk = getBytes(this._signer.privateKey);
_ecsign = util.ecsign(signHash, pk), v = _ecsign.v, r = _ecsign.r, s = _ecsign.s;
v = 2n * 1001n + 8n + v;
console.log(message, nonce, v, Buffer.from(r).toString('hex'), Buffer.from(s).toString('hex'));
blobTx = new tx.BlobEIP4844Transaction({
chainId: chainId,
nonce: nonce,
to: to,
value: value,
data: data,
maxPriorityFeePerGas: maxFeePerGas,
maxFeePerGas: maxFeePerGas,
gasLimit: gasLimit,
maxFeePerBlobGas: maxFeePerBlobGas,
blobVersionedHashes: versionedHashes,
blobs: blobs,
kzgCommitments: commitments,
kzgProofs: proofs,
v: v - 2n * 1001n - 35n,
r: r,
s: s
}, {
common: common$1
});
console.log(blobTx);
rawData = blobTx.serializeNetworkWrapper();
hex = Buffer.from(rawData).toString('hex');
_context2.next = 31;
return this._provider.send('eth_sendRawTransaction', ['0x' + hex]);
case 31:
return _context2.abrupt("return", _context2.sent);
case 32:
case "end":
return _context2.stop();
}
}, _callee2, this);
}));
function sendTx(_x2, _x3) {
return _sendTx.apply(this, arguments);
}
return sendTx;
}();
_proto.isTransactionMined = /*#__PURE__*/function () {
var _isTransactionMined = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee3(transactionHash) {
var txReceipt;
return _regeneratorRuntime().wrap(function _callee3$(_context3) {
while (1) switch (_context3.prev = _context3.next) {
case 0:
_context3.next = 2;
return this._provider.getTransactionReceipt(transactionHash);
case 2:
txReceipt = _context3.sent;
if (!(txReceipt && txReceipt.blockNumber)) {
_context3.next = 5;
break;
}
return _context3.abrupt("return", txReceipt);
case 5:
return _context3.abrupt("return", null);
case 6:
case "end":
return _context3.stop();
}
}, _callee3, this);
}));
function isTransactionMined(_x4) {
return _isTransactionMined.apply(this, arguments);
}
return isTransactionMined;
}();
_proto.getTxReceipt = /*#__PURE__*/function () {
var _getTxReceipt = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee4(transactionHash) {
var txReceipt;
return _regeneratorRuntime().wrap(function _callee4$(_context4) {
while (1) switch (_context4.prev = _context4.next) {
case 0:
if (txReceipt) {
_context4.next = 10;
break;
}
_context4.next = 3;
return this.isTransactionMined(transactionHash);
case 3:
txReceipt = _context4.sent;
if (!txReceipt) {
_context4.next = 6;
break;
}
return _context4.abrupt("break", 10);
case 6:
_context4.next = 8;
return delay(5000);
case 8:
_context4.next = 0;
break;
case 10:
return _context4.abrupt("return", txReceipt);
case 11:
case "end":
return _context4.stop();
}
}, _callee4, this);
}));
function getTxReceipt(_x5) {
return _getTxReceipt.apply(this, arguments);
}
return getTxReceipt;
}();
_proto.downloadBlobs = /*#__PURE__*/function () {
var _downloadBlobs = /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee5(txHash) {
var tx;
return _regeneratorRuntime().wrap(function _callee5$(_context5) {
while (1) switch (_context5.prev = _context5.next) {
case 0:
_context5.next = 2;
return this._provider.send('eth_getTransactionByHash', [txHash]);
case 2:
tx = _context5.sent;
return _context5.abrupt("return", {
blob_hashes: tx == null ? void 0 : tx.blob_hashes,
sidecar: tx == null ? void 0 : tx.sidecar
});
case 4:
case "end":
return _context5.stop();
}
}, _callee5, this);
}));
function downloadBlobs(_x6) {
return _downloadBlobs.apply(this, arguments);
}
return downloadBlobs;
}();
_proto.getBlobHash = function getBlobHash(blob) {
var commit = cKzg.blobToKzgCommitment(blob);
var localHash = commitmentsToVersionedHashes(commit);
var hash = new Uint8Array(32);
hash.set(localHash.subarray(0, 32 - 8));
return ethers.ethers.utils.hexlify(hash);
};
return BlobClient;
}();
exports.BLOB_SIZE = BLOB_SIZE;
exports.BlobClient = BlobClient;
exports.BlobTxBytesPerFieldElement = BlobTxBytesPerFieldElement;
exports.BlobTxFieldElementsPerBlob = BlobTxFieldElementsPerBlob;
exports.DecodeBlob = DecodeBlob;
exports.DecodeBlobs = DecodeBlobs;
exports.EncodeBlobs = EncodeBlobs;
exports.NULL_ADDRESS = NULL_ADDRESS;
exports.ZERO_BYTES32 = ZERO_BYTES32;
exports.commitmentsToVersionedHashes = commitmentsToVersionedHashes;
exports.computeVersionedHash = computeVersionedHash;
exports.debug = debug;
exports.delay = delay;
exports.getBytes = getBytes;
exports.parseBigintValue = parseBigintValue;
//# sourceMappingURL=blobs.cjs.development.js.map