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metamask-extension/ui/helpers/utils/optimism/buildUnserializedTransaction.test.js

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import { BN } from 'ethereumjs-util';
import { times } from 'lodash';
import buildUnserializedTransaction from './buildUnserializedTransaction';
describe('buildUnserializedTransaction', () => {
it('returns a transaction that can be serialized and fed to an Optimism smart contract', () => {
const unserializedTransaction = buildUnserializedTransaction({
txParams: {
nonce: '0x0',
gasPrice: `0x${new BN('100').toString(16)}`,
gas: `0x${new BN('21000').toString(16)}`,
to: '0x0000000000000000000000000000000000000000',
value: `0x${new BN('10000000000000').toString(16)}`,
data: '0x0',
},
});
expect(unserializedTransaction).toMatchObject({
nonce: new BN('00', 16),
gasPrice: new BN('64', 16),
gasLimit: new BN('5208', 16),
to: expect.objectContaining({
buf: Buffer.from(times(20, 0)),
}),
value: new BN('09184e72a000', 16),
data: Buffer.from([0]),
});
});
});