add sendNativeToken to web3Connection (#105)

Author: moshmage

src/base/web3-connection.ts

@@ -3,7 +3,7 @@ import Web3 from 'web3';
 import {Account, provider as Provider} from 'web3-core';
 import {HttpProviderOptions, WebsocketProviderOptions} from 'web3-core-helpers';
 import {Web3ConnectionOptions} from '@interfaces/web3-connection-options';
-import {Utils} from 'web3-utils';
+import {fromWei, Utils} from 'web3-utils';
 import {Eth} from 'web3-eth';
 
 export class Web3Connection {
@@ -34,8 +34,8 @@ export class Web3Connection {
       (await this.eth?.givenProvider?.request({method: 'eth_requestAccounts'}) || [""])[0];
   }
 
-  async getBalance(): Promise<string> {
-    return this.eth?.getBalance(await this.getAddress());
+  async getBalance(ofAddress?: string): Promise<string> {
+    return fromWei(await this.eth?.getBalance(ofAddress || await this.getAddress()));
   }
 
   async getETHNetworkId(): Promise<number> {
@@ -115,4 +115,8 @@ export class Web3Connection {
   }
   /* eslint-enable complexity */
 
+  async sendNativeToken(to: string, amount: number) {
+    return this.eth.sendTransaction({from: await this.getAddress(), to, value: this.utils.toWei(amount.toString())})
+  }
+
 }

test/base/web3-connection.spec.ts

@@ -43,5 +43,12 @@ describe(`Web3Connection`, () => {
     it(`Has restartModelOnDeploy as true by default`, () => {
       expect(web3Connection.options.restartModelOnDeploy).to.be.true;
     })
+
+    it(`Sends native token to another address`, async () => {
+      const AliceAddress = web3Connection.eth.accounts.privateKeyToAccount(getPrivateKeyFromFile(1))?.address;
+      const balance = await web3Connection.getBalance(AliceAddress);
+      await web3Connection.sendNativeToken(AliceAddress, 1);
+      expect(await web3Connection.getBalance(AliceAddress)).to.be.eq((+balance+1).toString())
+    })
   })
 })