add command available-balance (#1)

Author: juliangruber

README.md

@@ -42,6 +42,7 @@ Commands:
   meridian set-next-round-length <blocks>   Set the next round length
   meridian set-round-reward <reward>        Set the round reward
   meridian tick                             Trigger a tick
+  meridian available-balance                Get the balance available
 
 Options:
   -a, --address     Contract address (or $MERIDIAN_ADDRESS)  [string] [required]

bin/meridian.js

@@ -21,6 +21,7 @@ import {
 import { setNextRoundLength } from '../commands/set-next-round-length.js'
 import { setRoundReward } from '../commands/set-round-reward.js'
 import { tick } from '../commands/tick.js'
+import { availableBalance } from '../commands/available-balance.js'
 
 const pkg = JSON.parse(
   await fs.readFile(
@@ -119,6 +120,12 @@ yargs(hideBin(process.argv))
     yargs => yargs,
     tick
   )
+  .command(
+    'available-balance',
+    'Get the balance available',
+    yargs => yargs,
+    availableBalance
+  )
   .demandCommand()
   .version(`${pkg.name}: ${pkg.version}`)
   .alias('v', 'version')

commands/available-balance.js

@@ -0,0 +1,8 @@
+import { createContract } from '../index.js'
+import { formatEther } from 'ethers'
+
+export const availableBalance = async opts => {
+  const { contract } = createContract(opts)
+  console.log(formatEther(await contract.availableBalance()), 'FIL')
+  process.exit(0)
+}