add post-withdraw bitcoin balance assertion to integration test

src/relay.ts

@@ -175,6 +175,7 @@ export class Relay {
         signatoryKeys,
         this.network
       )
+      let result = await rpc.sendRawTransaction(finalizedTx.toHex())
     }
     // TODO: not properly tracking processed transactions on state.
     // Relay deposit transactions to the peg chain

src/reserve.ts

@@ -187,8 +187,3 @@ export function createOutput(
     network: networks[network === 'mainnet' ? 'bitcoin' : network]
   }).output as Buffer
 }
-
-function resolveNetwork(network: string) {
-  if (network === 'mainnet') {
-  }
-}

src/types.ts

@@ -185,4 +185,6 @@ export interface BitcoinRPC {
     rescan?: boolean,
     p2sh?: boolean
   ): void
+
+  sendRawTransaction(txHex: string): string
 }

test/integration.ts

@@ -24,6 +24,7 @@ import getPort = require('get-port')
 import { commitPubkey, signDisbursal } from '../src/signatory'
 let seed = require('random-bytes-seed')
 import { Relay } from '../src/relay'
+import * as bitcoin from 'bitcoinjs-lib'
 let RPCClient = require('bitcoin-core')
 let { genValidator } = require('tendermint-node')
 let ed = require('ed25519-supercop')
@@ -250,10 +251,15 @@ test('deposit / send / withdraw', async function(t) {
   // Bob submits a withdrawal transaction.
   let signingTx = await lc.state.bitcoin.signingTx
   t.is(signingTx, null)
+  let bobBtcAddress = await ctx.bobRpc.getNewAddress()
+  let outputScript = bitcoin.address.toOutputScript(
+    bobBtcAddress,
+    bitcoin.networks.regtest
+  )
   await ctx.bobWallet.send({
     type: 'bitcoin',
     amount: 5e8,
-    script: Buffer.from([1, 2, 3, 4])
+    script: outputScript
   })
   signingTx = await lc.state.bitcoin.signingTx
   t.is(signingTx.outputs[0].amount, 5e8)
@@ -265,7 +271,13 @@ test('deposit / send / withdraw', async function(t) {
   t.is(signingTx, null)
   let signedTx: SignedTx | null = await lc.state.bitcoin.signedTx
 
+  // The signed tx gets broadcast to the Bitcoin network by the relayer:
   await ctx.relay.step()
+  await ctx.minerRpc.generateToAddress(1, minerBtcAddress)
+
+  // Now bob has some Bitcoin.
+  let bobBtcBalance = await ctx.bobRpc.getBalance()
+  t.is(bobBtcBalance, 4.99999)
 })
 
 function formatHeader(header: RPCHeader) {