use more intuitive account instantiation syntax

ethereumjs · Oct 14, 2020 · 588912a · 588912a
1 parent 633255e
commit 588912a
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Showing 2 changed files with 11 additions and 6 deletions.
diff --git a/packages/vm/examples/run-transactions-complete/index.ts b/packages/vm/examples/run-transactions-complete/index.ts
@@ -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)
@@ -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)
 
   // Save the account
   await vm.stateManager.putAccount(address, account)

diff --git a/packages/vm/lib/index.ts b/packages/vm/lib/index.ts
@@ -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()
     }