update description for exchange commands to be via mento instead of s…

…tability mechanism

packages/cli/package.json

@@ -132,7 +132,7 @@
         "description": "Participate in and view the state of Validator Elections"
       },
       "exchange": {
-        "description": "Exchange Celo Dollars and CELO via the stability mechanism"
+        "description": "Exchange Celo Dollars and CELO via Mento"
       },
       "governance": {
         "description": "Interact with on-chain governance proposals and hotfixes"

packages/cli/src/commands/exchange/celo.ts

@@ -1,6 +1,6 @@
 import { StableToken } from '@celo/contractkit'
 import { stableTokenInfos } from '@celo/contractkit/lib/celo-tokens'
-import { Flags } from '@oclif/core'
+import { Flags, ux } from '@oclif/core'
 import BigNumber from 'bignumber.js'
 import { BaseCommand } from '../../base'
 import { newCheckBuilder } from '../../utils/checks'
@@ -9,14 +9,13 @@ import { CustomFlags } from '../../utils/command'
 import { checkNotDangerousExchange } from '../../utils/exchange'
 import { enumEntriesDupWithLowercase } from '../../utils/helpers'
 import { getMentoBroker } from '../../utils/mento-broker-adaptor'
-import { consoleLogger } from '@celo/base'
 
 const depeggedPricePercentage = 20
 
 const stableTokenOptions = enumEntriesDupWithLowercase(Object.entries(StableToken))
 export default class ExchangeCelo extends BaseCommand {
   static description =
-    'Exchange CELO for StableTokens via the stability mechanism. (Note: this is the equivalent of the old exchange:gold)'
+    'Exchange CELO for StableTokens via Mento. (Note: this is the equivalent of the old exchange:gold)'
 
   static flags = {
     ...BaseCommand.flags,
@@ -64,12 +63,13 @@ export default class ExchangeCelo extends BaseCommand {
       return expectedAmountOut
     }
 
-    consoleLogger(`Fetching Quote`)
+    ux.action.start(`Fetching Quote`)
     const expectedAmountToReceive = await getQuote(
       celoToken.address,
       stableTokenAddress,
       sellAmount.toFixed()
     )
+    ux.action.stop()
     if (minBuyAmount.toNumber() === 0) {
       const check = await checkNotDangerousExchange(
         kit,
@@ -79,17 +79,17 @@ export default class ExchangeCelo extends BaseCommand {
         stableTokenInfos[stableToken]
       )
       if (!check) {
-        console.log('Cancelled')
-        return
+        ux.info('Cancelled')
+        ux.exit(0)
       }
     } else if (expectedAmountToReceive.lt(minBuyAmount.toString())) {
       const check = await binaryPrompt(
         'Warning: the expected amount to receive is less than the minimum amount to receive. Are you sure you want to continue?',
         false
       )
       if (!check) {
-        consoleLogger('Cancelled')
-        return
+        ux.info('Cancelled')
+        ux.exit(0)
       }
     }
 
@@ -98,7 +98,7 @@ export default class ExchangeCelo extends BaseCommand {
       celoToken.increaseAllowance(brokerAddress, sellAmount.toFixed())
     )
 
-    consoleLogger('Swapping', sellAmount.toFixed(), 'for at least', expectedAmountToReceive)
+    ux.log('Swapping', sellAmount.toFixed(), 'for at least', expectedAmountToReceive.toString())
     const tx = await mento.swapIn(
       celoToken.address,
       stableTokenAddress,

packages/cli/src/commands/exchange/dollars.ts

@@ -2,7 +2,7 @@ import { StableToken } from '@celo/contractkit'
 import ExchangeStableBase from '../../exchange-stable-base'
 import { CustomFlags } from '../../utils/command'
 export default class ExchangeDollars extends ExchangeStableBase {
-  static description = 'Exchange Celo Dollars for CELO via the stability mechanism'
+  static description = 'Exchange Celo Dollars for CELO via Mento'
 
   static flags = {
     ...ExchangeStableBase.flags,

packages/cli/src/commands/exchange/euros.ts

@@ -2,7 +2,7 @@ import { StableToken } from '@celo/contractkit'
 import ExchangeStableBase from '../../exchange-stable-base'
 import { CustomFlags } from '../../utils/command'
 export default class ExchangeEuros extends ExchangeStableBase {
-  static description = 'Exchange Celo Euros for CELO via the stability mechanism'
+  static description = 'Exchange Celo Euros for CELO via Mento'
 
   static flags = {
     ...ExchangeStableBase.flags,

packages/cli/src/commands/exchange/gold.ts

@@ -2,7 +2,7 @@ import ExchangeCelo from './celo'
 
 export default class ExchangeGold extends ExchangeCelo {
   static description =
-    'Exchange CELO for StableTokens via the stability mechanism. *DEPRECATION WARNING* Use the "exchange:celo" command instead'
+    'Exchange CELO for StableTokens via Mento. *DEPRECATION WARNING* Use the "exchange:celo" command instead'
 
   static flags = {
     ...ExchangeCelo.flags,

packages/cli/src/commands/exchange/reals.ts

@@ -2,7 +2,7 @@ import { StableToken } from '@celo/contractkit'
 import ExchangeStableBase from '../../exchange-stable-base'
 import { CustomFlags } from '../../utils/command'
 export default class ExchangeEuros extends ExchangeStableBase {
-  static description = 'Exchange Celo Brazilian Real (cREAL) for CELO via the stability mechanism'
+  static description = 'Exchange Celo Brazilian Real (cREAL) for CELO via Mento'
 
   static flags = {
     ...ExchangeStableBase.flags,

packages/cli/src/commands/exchange/show.ts

@@ -1,7 +1,7 @@
-import { StableTokenInfo } from '@celo/contractkit/lib/celo-tokens'
 import { Flags, ux } from '@oclif/core'
 
 import { BaseCommand } from '../../base'
+import { getExchangeRates } from '../../utils/mento-broker-adaptor'
 
 export default class ExchangeShow extends BaseCommand {
   static description = 'Show the current exchange rates offered by the Exchange'
@@ -23,21 +23,16 @@ export default class ExchangeShow extends BaseCommand {
     const { flags: parsedFlags } = await this.parse(ExchangeShow)
 
     ux.action.start('Fetching exchange rates...')
-    const exchangeAmounts = await kit.celoTokens.forStableCeloToken(
-      async (info: StableTokenInfo) => {
-        const exchange = await kit.contracts.getContract(info.exchangeContract)
-        return {
-          buy: await exchange.getBuyTokenAmount(parsedFlags.amount as string, true),
-          sell: await exchange.getBuyTokenAmount(parsedFlags.amount as string, false),
-        }
-      }
-    )
+    const exchangeAmounts = await getExchangeRates(kit.connection, parsedFlags.amount as string)
     ux.action.stop()
 
-    Object.entries(exchangeAmounts).forEach((element) => {
-      this.log(`CELO/${element[0]}:`)
-      this.log(`${parsedFlags.amount} CELO => ${element[1]!.buy} ${element[0]}`)
-      this.log(`${parsedFlags.amount} ${element[0]} => ${element[1]!.sell} CELO`)
-    })
+    exchangeAmounts
+      .filter((element) => element !== undefined)
+      .forEach((element) => {
+        this.log(`CELO/${element?.symbol}:`)
+        this.log(`${parsedFlags.amount} CELO => ${element?.buy} ${element?.symbol}`)
+        this.log(`${parsedFlags.amount} ${element?.symbol} => ${element?.sell} CELO`)
+      })
+    ux.exit(0)
   }
 }

packages/cli/src/commands/exchange/stable.ts

@@ -5,7 +5,7 @@ import { enumEntriesDupWithLowercase } from '../../utils/helpers'
 
 const stableTokenOptions = enumEntriesDupWithLowercase(Object.entries(StableToken))
 export default class ExchangeStable extends ExchangeStableBase {
-  static description = 'Exchange Stable Token for CELO via the stability mechanism'
+  static description = 'Exchange Stable Token for CELO via Mento'
 
   static flags = {
     ...ExchangeStableBase.flags,