mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-12-23 09:52:26 +01:00
b60b9f441f
* upgrade ethereumjs/tx and deps * Yarn dedupe --------- Co-authored-by: Dan J Miller <danjm.com@gmail.com>
35 lines
1.4 KiB
JavaScript
35 lines
1.4 KiB
JavaScript
import { omit } from 'lodash';
|
|
import { BN } from 'ethereumjs-util';
|
|
import { Common, Hardfork } from '@ethereumjs/common';
|
|
import { TransactionFactory } from '@ethereumjs/tx';
|
|
import { stripHexPrefix } from '../../../../shared/modules/hexstring-utils';
|
|
|
|
function buildTxParams(txMeta) {
|
|
return {
|
|
...omit(txMeta.txParams, 'gas'),
|
|
gasLimit: txMeta.txParams.gas,
|
|
};
|
|
}
|
|
|
|
function buildTransactionCommon(txMeta) {
|
|
// This produces a transaction whose information does not completely match an
|
|
// Optimism transaction — for instance, DEFAULT_CHAIN is still 'mainnet' and
|
|
// genesis points to the mainnet genesis, not the Optimism genesis — but
|
|
// considering that all we want to do is serialize a transaction, this works
|
|
// fine for our use case.
|
|
return Common.custom({
|
|
chainId: new BN(stripHexPrefix(txMeta.chainId), 16),
|
|
networkId: new BN(txMeta.metamaskNetworkId, 10),
|
|
// Optimism only supports type-0 transactions; it does not support any of
|
|
// the newer EIPs since EIP-155. Source:
|
|
// <https://github.com/ethereum-optimism/optimism/blob/develop/specs/l2geth/transaction-types.md>
|
|
defaultHardfork: Hardfork.SpuriousDragon,
|
|
});
|
|
}
|
|
|
|
export default function buildUnserializedTransaction(txMeta) {
|
|
const txParams = buildTxParams(txMeta);
|
|
const common = buildTransactionCommon(txMeta);
|
|
return TransactionFactory.fromTxData(txParams, { common });
|
|
}
|