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Replace account package with ethereumjs-util Account #911

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merged 4 commits into from
Oct 15, 2020
Merged

Replace account package with ethereumjs-util Account #911

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633255e
replace account package with ethereumjs-util Account
ryanio Oct 13, 2020
588912a
use more intuitive account instantiation syntax
ryanio Oct 14, 2020
12ff416
update vm step event doc
ryanio Oct 14, 2020
c869567
update some more account instantiations to use the more-readable `fro…
ryanio Oct 14, 2020
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10 changes: 7 additions & 3 deletions packages/vm/examples/run-transactions-complete/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ import VM from '../..'
async function main() {
const vm = new VM()

// import the key pair
// Import the key pair,
// used to sign transactions and generate addresses
const keyPair = require('./key-pair')
const privateKey = toBuffer(keyPair.secretKey)
Expand All @@ -16,8 +16,12 @@ async function main() {
console.log('---------------------')
console.log('Sender address: ', bufferToHex(address))

// create a new account
const account = new Account(new BN(0), new BN(100).pow(new BN(18)))
// Create a new account
const acctData = {
nonce: 0,
balance: new BN(10).pow(new BN(19)), // 10 eth
}
const account = Account.fromAccountData(acctData)
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Thanks! 🙂


// Save the account
await vm.stateManager.putAccount(address, account)
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7 changes: 4 additions & 3 deletions packages/vm/lib/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -210,9 +210,10 @@ export default class VM extends AsyncEventEmitter {
await Promise.all(
Object.keys(precompiles)
.map((k: string): Buffer => Buffer.from(k, 'hex'))
.map((address: Buffer) =>
this.stateManager.putAccount(address, new Account(new BN(0), new BN(1))),
),
.map((address: Buffer) => {
const account = Account.fromAccountData({ balance: 1 })
this.stateManager.putAccount(address, account)
}),
)
await this.stateManager.commit()
}
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