diff --git a/package.json b/package.json
index 52c7e8d..669233e 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "bitcoinjs-lib",
   "version": "4.0.2",
   "description": "Client-side Bitcoin JavaScript library",
-  "main": "./src/index.js",
+  "main": "./dist/src/index.js",
   "engines": {
     "node": ">=8.0.0"
   },
@@ -17,17 +17,18 @@
     "coverage-report": "nyc report --reporter=lcov",
     "coverage-html": "nyc report --reporter=html",
     "coverage": "nyc --check-coverage --branches 90 --functions 90 mocha",
-    "integration": "mocha --timeout 50000 test/integration/",
+    "integration": "npm run build && mocha --timeout 50000 test/integration/",
     "standard": "standard",
-    "test": "npm run standard && npm run coverage",
-    "unit": "mocha"
+    "test": "npm run build && npm run standard && npm run coverage",
+    "unit": "npm run build && mocha",
+    "build": "tsc -p tsconfig.json"
   },
   "repository": {
     "type": "git",
     "url": "https://github.com/bitcoinjs/bitcoinjs-lib.git"
   },
   "files": [
-    "src"
+    "dist/src"
   ],
   "dependencies": {
     "bech32": "^1.1.2",
diff --git a/src/address.ts b/src/address.ts
index e71bd46..e6f60fc 100644
--- a/src/address.ts
+++ b/src/address.ts
@@ -95,3 +95,4 @@ module.exports = {
   toBech32: toBech32,
   toOutputScript: toOutputScript
 }
+export {}
diff --git a/src/block.ts b/src/block.ts
index eb7f708..1d69d0b 100644
--- a/src/block.ts
+++ b/src/block.ts
@@ -175,3 +175,4 @@ Block.prototype.checkProofOfWork = function () {
 }
 
 module.exports = Block
+export {}
diff --git a/src/bufferutils.ts b/src/bufferutils.ts
index 48647d6..a78b07b 100644
--- a/src/bufferutils.ts
+++ b/src/bufferutils.ts
@@ -27,3 +27,4 @@ module.exports = {
   readUInt64LE: readUInt64LE,
   writeUInt64LE: writeUInt64LE
 }
+export {}
diff --git a/src/classify.ts b/src/classify.ts
index 8350e07..3f824c4 100644
--- a/src/classify.ts
+++ b/src/classify.ts
@@ -68,3 +68,4 @@ module.exports = {
   witness: classifyWitness,
   types: types
 }
+export {}
diff --git a/src/crypto.ts b/src/crypto.ts
index a11d061..a04c67f 100644
--- a/src/crypto.ts
+++ b/src/crypto.ts
@@ -27,3 +27,4 @@ module.exports = {
   sha1: sha1,
   sha256: sha256
 }
+export {}
diff --git a/src/ecpair.ts b/src/ecpair.ts
index 0e2cf26..0c9fd83 100644
--- a/src/ecpair.ts
+++ b/src/ecpair.ts
@@ -104,3 +104,4 @@ module.exports = {
   fromPublicKey,
   fromWIF
 }
+export {}
diff --git a/src/index.ts b/src/index.ts
index 213e98a..967fddc 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -14,3 +14,4 @@ module.exports = {
   payments: require('./payments'),
   script: script
 }
+export {}
diff --git a/src/networks.ts b/src/networks.ts
index fb3957c..0aac048 100644
--- a/src/networks.ts
+++ b/src/networks.ts
@@ -36,3 +36,4 @@ module.exports = {
     wif: 0xef
   }
 }
+export {}
diff --git a/src/payments/embed.ts b/src/payments/embed.ts
index ea2c8e9..bfb70e5 100644
--- a/src/payments/embed.ts
+++ b/src/payments/embed.ts
@@ -28,7 +28,10 @@ function p2data (a, opts) {
   }, a)
 
   const network = a.network || BITCOIN_NETWORK
-  const o = { network }
+  const o = {
+    network,
+    data: undefined
+  }
 
   lazy.prop(o, 'output', function () {
     if (!a.data) return
@@ -54,3 +57,4 @@ function p2data (a, opts) {
 }
 
 module.exports = p2data
+export {}
diff --git a/src/payments/index.ts b/src/payments/index.ts
index d445466..bb4e0e6 100644
--- a/src/payments/index.ts
+++ b/src/payments/index.ts
@@ -10,3 +10,4 @@ module.exports = { embed, p2ms, p2pk, p2pkh, p2sh, p2wpkh, p2wsh }
 
 // TODO
 // witness commitment
+export {}
diff --git a/src/payments/lazy.ts b/src/payments/lazy.ts
index 8538752..4a9611c 100644
--- a/src/payments/lazy.ts
+++ b/src/payments/lazy.ts
@@ -28,3 +28,4 @@ function value (f) {
 }
 
 module.exports = { prop, value }
+export {}
diff --git a/src/payments/p2ms.ts b/src/payments/p2ms.ts
index 5c90a4d..39b38f1 100644
--- a/src/payments/p2ms.ts
+++ b/src/payments/p2ms.ts
@@ -42,7 +42,15 @@ function p2ms (a, opts) {
   }, a)
 
   const network = a.network || BITCOIN_NETWORK
-  const o = { network }
+  const o = {
+    network,
+    m: undefined,
+    n: undefined,
+    pubkeys: undefined,
+    output: undefined,
+    input: undefined,
+    signatures: undefined,
+  }
 
   let chunks
   let decoded = false
@@ -129,7 +137,7 @@ function p2ms (a, opts) {
       if (a.input[0] !== OPS.OP_0) throw new TypeError('Input is invalid')
       if (o.signatures.length === 0 || !o.signatures.every(isAcceptableSignature)) throw new TypeError('Input has invalid signature(s)')
 
-      if (a.signatures && !stacksEqual(a.signatures.equals(o.signatures))) throw new TypeError('Signature mismatch')
+      if (a.signatures && !stacksEqual(a.signatures.equals(o.signatures), undefined)) throw new TypeError('Signature mismatch')
       if (a.m !== undefined && a.m !== a.signatures.length) throw new TypeError('Signature count mismatch')
     }
   }
@@ -138,3 +146,4 @@ function p2ms (a, opts) {
 }
 
 module.exports = p2ms
+export {}
diff --git a/src/payments/p2pk.ts b/src/payments/p2pk.ts
index b930612..b810d48 100644
--- a/src/payments/p2pk.ts
+++ b/src/payments/p2pk.ts
@@ -30,7 +30,12 @@ function p2pk (a, opts) {
   const _chunks = lazy.value(function () { return bscript.decompile(a.input) })
 
   const network = a.network || BITCOIN_NETWORK
-  const o = { network }
+  const o = {
+    network,
+    input: undefined,
+    pubkey: undefined,
+    signature: undefined,
+  }
 
   lazy.prop(o, 'output', function () {
     if (!a.pubkey) return
@@ -78,3 +83,4 @@ function p2pk (a, opts) {
 }
 
 module.exports = p2pk
+export {}
diff --git a/src/payments/p2pkh.ts b/src/payments/p2pkh.ts
index e9248a2..c322fc7 100644
--- a/src/payments/p2pkh.ts
+++ b/src/payments/p2pkh.ts
@@ -40,7 +40,12 @@ function p2pkh (a, opts) {
   const _chunks = lazy.value(function () { return bscript.decompile(a.input) })
 
   const network = a.network || BITCOIN_NETWORK
-  const o = { network }
+  const o = {
+    network,
+    hash: undefined,
+    pubkey: undefined,
+    input: undefined,
+  }
 
   lazy.prop(o, 'address', function () {
     if (!o.hash) return
@@ -135,3 +140,4 @@ function p2pkh (a, opts) {
 }
 
 module.exports = p2pkh
+export {}
diff --git a/src/payments/p2sh.ts b/src/payments/p2sh.ts
index 0729c8b..07bb32e 100644
--- a/src/payments/p2sh.ts
+++ b/src/payments/p2sh.ts
@@ -50,7 +50,12 @@ function p2sh (a, opts) {
     network = (a.redeem && a.redeem.network) || BITCOIN_NETWORK
   }
 
-  const o = { network }
+  const o = {
+    network,
+    hash: undefined,
+    redeem: undefined,
+    input: undefined,
+  }
 
   const _address = lazy.value(function () {
     const payload = bs58check.decode(a.address)
@@ -191,3 +196,4 @@ function p2sh (a, opts) {
 }
 
 module.exports = p2sh
+export {}
diff --git a/src/payments/p2wpkh.ts b/src/payments/p2wpkh.ts
index 1483bd8..1ab21b5 100644
--- a/src/payments/p2wpkh.ts
+++ b/src/payments/p2wpkh.ts
@@ -46,7 +46,12 @@ function p2wpkh (a, opts) {
   })
 
   const network = a.network || BITCOIN_NETWORK
-  const o = { network }
+  const o = {
+    network,
+    hash: undefined,
+    pubkey: undefined,
+    witness: undefined,
+  }
 
   lazy.prop(o, 'address', function () {
     if (!o.hash) return
@@ -133,3 +138,4 @@ function p2wpkh (a, opts) {
 }
 
 module.exports = p2wpkh
+export {}
diff --git a/src/payments/p2wsh.ts b/src/payments/p2wsh.ts
index d8e6e8a..fe19314 100644
--- a/src/payments/p2wsh.ts
+++ b/src/payments/p2wsh.ts
@@ -64,7 +64,12 @@ function p2wsh (a, opts) {
     network = (a.redeem && a.redeem.network) || BITCOIN_NETWORK
   }
 
-  const o = { network }
+  const o = {
+    network,
+    hash: undefined,
+    redeem: undefined,
+    witness: undefined,
+  }
 
   lazy.prop(o, 'address', function () {
     if (!o.hash) return
@@ -178,3 +183,4 @@ function p2wsh (a, opts) {
 }
 
 module.exports = p2wsh
+export {}
diff --git a/src/script.ts b/src/script.ts
index ad7c4e4..514e992 100644
--- a/src/script.ts
+++ b/src/script.ts
@@ -203,3 +203,4 @@ module.exports = {
   isPushOnly: isPushOnly,
   isDefinedHashType: isDefinedHashType
 }
+export {}
diff --git a/src/script_number.ts b/src/script_number.ts
index 3440797..4df4704 100644
--- a/src/script_number.ts
+++ b/src/script_number.ts
@@ -65,3 +65,4 @@ module.exports = {
   decode: decode,
   encode: encode
 }
+export {}
diff --git a/src/script_signature.ts b/src/script_signature.ts
index bdb3ddb..b1f933a 100644
--- a/src/script_signature.ts
+++ b/src/script_signature.ts
@@ -62,3 +62,4 @@ module.exports = {
   decode: decode,
   encode: encode
 }
+export {}
diff --git a/src/templates/multisig/index.ts b/src/templates/multisig/index.ts
index 46863d6..7192cfd 100644
--- a/src/templates/multisig/index.ts
+++ b/src/templates/multisig/index.ts
@@ -2,3 +2,4 @@ module.exports = {
   input: require('./input'),
   output: require('./output')
 }
+export {}
diff --git a/src/templates/multisig/input.ts b/src/templates/multisig/input.ts
index a66f05f..d395108 100644
--- a/src/templates/multisig/input.ts
+++ b/src/templates/multisig/input.ts
@@ -21,3 +21,4 @@ function check (script, allowIncomplete) {
 check.toJSON = function () { return 'multisig input' }
 
 module.exports = { check }
+export {}
diff --git a/src/templates/multisig/output.ts b/src/templates/multisig/output.ts
index 5c9d81f..5ff18f1 100644
--- a/src/templates/multisig/output.ts
+++ b/src/templates/multisig/output.ts
@@ -27,3 +27,4 @@ function check (script, allowIncomplete) {
 check.toJSON = function () { return 'multi-sig output' }
 
 module.exports = { check }
+export {}
diff --git a/src/templates/nulldata.ts b/src/templates/nulldata.ts
index d42fd71..145b504 100644
--- a/src/templates/nulldata.ts
+++ b/src/templates/nulldata.ts
@@ -12,3 +12,4 @@ function check (script) {
 check.toJSON = function () { return 'null data output' }
 
 module.exports = { output: { check: check } }
+export {}
diff --git a/src/templates/pubkey/index.ts b/src/templates/pubkey/index.ts
index 46863d6..7192cfd 100644
--- a/src/templates/pubkey/index.ts
+++ b/src/templates/pubkey/index.ts
@@ -2,3 +2,4 @@ module.exports = {
   input: require('./input'),
   output: require('./output')
 }
+export {}
diff --git a/src/templates/pubkey/input.ts b/src/templates/pubkey/input.ts
index ec21155..b6963e7 100644
--- a/src/templates/pubkey/input.ts
+++ b/src/templates/pubkey/input.ts
@@ -13,3 +13,4 @@ check.toJSON = function () { return 'pubKey input' }
 module.exports = {
   check: check
 }
+export {}
diff --git a/src/templates/pubkey/output.ts b/src/templates/pubkey/output.ts
index b25c8c1..b64c596 100644
--- a/src/templates/pubkey/output.ts
+++ b/src/templates/pubkey/output.ts
@@ -13,3 +13,4 @@ function check (script) {
 check.toJSON = function () { return 'pubKey output' }
 
 module.exports = { check }
+export {}
diff --git a/src/templates/pubkeyhash/index.ts b/src/templates/pubkeyhash/index.ts
index 46863d6..7192cfd 100644
--- a/src/templates/pubkeyhash/index.ts
+++ b/src/templates/pubkeyhash/index.ts
@@ -2,3 +2,4 @@ module.exports = {
   input: require('./input'),
   output: require('./output')
 }
+export {}
diff --git a/src/templates/pubkeyhash/input.ts b/src/templates/pubkeyhash/input.ts
index f5bc452..cab6f0a 100644
--- a/src/templates/pubkeyhash/input.ts
+++ b/src/templates/pubkeyhash/input.ts
@@ -12,3 +12,4 @@ function check (script) {
 check.toJSON = function () { return 'pubKeyHash input' }
 
 module.exports = { check }
+export {}
diff --git a/src/templates/pubkeyhash/output.ts b/src/templates/pubkeyhash/output.ts
index fbb6ed1..bf34b83 100644
--- a/src/templates/pubkeyhash/output.ts
+++ b/src/templates/pubkeyhash/output.ts
@@ -16,3 +16,4 @@ function check (script) {
 check.toJSON = function () { return 'pubKeyHash output' }
 
 module.exports = { check }
+export {}
diff --git a/src/templates/scripthash/index.ts b/src/templates/scripthash/index.ts
index 46863d6..7192cfd 100644
--- a/src/templates/scripthash/index.ts
+++ b/src/templates/scripthash/index.ts
@@ -2,3 +2,4 @@ module.exports = {
   input: require('./input'),
   output: require('./output')
 }
+export {}
diff --git a/src/templates/scripthash/input.ts b/src/templates/scripthash/input.ts
index 5164370..ad53df9 100644
--- a/src/templates/scripthash/input.ts
+++ b/src/templates/scripthash/input.ts
@@ -46,3 +46,4 @@ function check (script, allowIncomplete) {
 check.toJSON = function () { return 'scriptHash input' }
 
 module.exports = { check }
+export {}
diff --git a/src/templates/scripthash/output.ts b/src/templates/scripthash/output.ts
index b5b6e7a..9f91f17 100644
--- a/src/templates/scripthash/output.ts
+++ b/src/templates/scripthash/output.ts
@@ -14,3 +14,4 @@ function check (script) {
 check.toJSON = function () { return 'scriptHash output' }
 
 module.exports = { check }
+export {}
diff --git a/src/templates/witnesscommitment/index.ts b/src/templates/witnesscommitment/index.ts
index d459038..d274d6b 100644
--- a/src/templates/witnesscommitment/index.ts
+++ b/src/templates/witnesscommitment/index.ts
@@ -1,3 +1,4 @@
 module.exports = {
   output: require('./output')
 }
+export {}
diff --git a/src/templates/witnesscommitment/output.ts b/src/templates/witnesscommitment/output.ts
index 8938f45..db92e54 100644
--- a/src/templates/witnesscommitment/output.ts
+++ b/src/templates/witnesscommitment/output.ts
@@ -40,3 +40,4 @@ module.exports = {
   decode: decode,
   encode: encode
 }
+export {}
diff --git a/src/templates/witnesspubkeyhash/index.ts b/src/templates/witnesspubkeyhash/index.ts
index 46863d6..7192cfd 100644
--- a/src/templates/witnesspubkeyhash/index.ts
+++ b/src/templates/witnesspubkeyhash/index.ts
@@ -2,3 +2,4 @@ module.exports = {
   input: require('./input'),
   output: require('./output')
 }
+export {}
diff --git a/src/templates/witnesspubkeyhash/input.ts b/src/templates/witnesspubkeyhash/input.ts
index 488e5e6..ec93c47 100644
--- a/src/templates/witnesspubkeyhash/input.ts
+++ b/src/templates/witnesspubkeyhash/input.ts
@@ -16,3 +16,4 @@ function check (script) {
 check.toJSON = function () { return 'witnessPubKeyHash input' }
 
 module.exports = { check }
+export {}
diff --git a/src/templates/witnesspubkeyhash/output.ts b/src/templates/witnesspubkeyhash/output.ts
index 08af3bc..a289038 100644
--- a/src/templates/witnesspubkeyhash/output.ts
+++ b/src/templates/witnesspubkeyhash/output.ts
@@ -15,3 +15,4 @@ check.toJSON = function () { return 'Witness pubKeyHash output' }
 module.exports = {
   check
 }
+export {}
diff --git a/src/templates/witnessscripthash/index.ts b/src/templates/witnessscripthash/index.ts
index 46863d6..7192cfd 100644
--- a/src/templates/witnessscripthash/index.ts
+++ b/src/templates/witnessscripthash/index.ts
@@ -2,3 +2,4 @@ module.exports = {
   input: require('./input'),
   output: require('./output')
 }
+export {}
diff --git a/src/templates/witnessscripthash/input.ts b/src/templates/witnessscripthash/input.ts
index 072a289..c6d47e3 100644
--- a/src/templates/witnessscripthash/input.ts
+++ b/src/templates/witnessscripthash/input.ts
@@ -37,3 +37,4 @@ function check (chunks, allowIncomplete) {
 check.toJSON = function () { return 'witnessScriptHash input' }
 
 module.exports = { check }
+export {}
diff --git a/src/templates/witnessscripthash/output.ts b/src/templates/witnessscripthash/output.ts
index c9fc21a..3bc327f 100644
--- a/src/templates/witnessscripthash/output.ts
+++ b/src/templates/witnessscripthash/output.ts
@@ -13,3 +13,4 @@ function check (script) {
 check.toJSON = function () { return 'Witness scriptHash output' }
 
 module.exports = { check }
+export {}
diff --git a/src/transaction.ts b/src/transaction.ts
index 751446f..4ee08d3 100644
--- a/src/transaction.ts
+++ b/src/transaction.ts
@@ -138,7 +138,7 @@ Transaction.fromBuffer = function (buffer, __noStrict) {
 }
 
 Transaction.fromHex = function (hex) {
-  return Transaction.fromBuffer(Buffer.from(hex, 'hex'))
+  return Transaction.fromBuffer(Buffer.from(hex, 'hex'), undefined)
 }
 
 Transaction.isCoinbaseHash = function (buffer) {
@@ -490,3 +490,4 @@ Transaction.prototype.setWitness = function (index, witness) {
 }
 
 module.exports = Transaction
+export {}
diff --git a/src/transaction_builder.ts b/src/transaction_builder.ts
index bea1ded..56368bf 100644
--- a/src/transaction_builder.ts
+++ b/src/transaction_builder.ts
@@ -102,7 +102,7 @@ function expandInput (scriptSig, witnessStack, type, scriptPubKey) {
     const outputType = classify.output(redeem.output)
     let expanded
     if (outputType === SCRIPT_TYPES.P2WPKH) {
-      expanded = expandInput(redeem.input, redeem.witness, outputType)
+      expanded = expandInput(redeem.input, redeem.witness, outputType, undefined)
     } else {
       expanded = expandInput(bscript.compile(redeem.witness), [], outputType, redeem.output)
     }
@@ -473,7 +473,7 @@ TransactionBuilder.prototype.setVersion = function (version) {
 }
 
 TransactionBuilder.fromTransaction = function (transaction, network) {
-  const txb = new TransactionBuilder(network)
+  const txb = new TransactionBuilder(network, undefined)
 
   // Copy transaction fields
   txb.setVersion(transaction.version)
@@ -537,11 +537,17 @@ TransactionBuilder.prototype.__addInputUnsafe = function (txHash, vout, options)
   const prevTxOut = txHash.toString('hex') + ':' + vout
   if (this.__prevTxSet[prevTxOut] !== undefined) throw new Error('Duplicate TxOut: ' + prevTxOut)
 
-  let input = {}
+  let input = {
+    value: undefined,
+    prevOutScript: undefined,
+    pubkeys: undefined,
+    signatures: undefined,
+    prevOutType: undefined,
+  }
 
   // derive what we can from the scriptSig
   if (options.script !== undefined) {
-    input = expandInput(options.script, options.witness || [])
+    input = expandInput(options.script, options.witness || [], undefined, undefined)
   }
 
   // if an input value was given, retain it
@@ -554,7 +560,7 @@ TransactionBuilder.prototype.__addInputUnsafe = function (txHash, vout, options)
     let prevOutType
 
     if (!input.pubkeys && !input.signatures) {
-      const expanded = expandOutput(options.prevOutScript)
+      const expanded = expandOutput(options.prevOutScript, undefined)
       if (expanded.pubkeys) {
         input.pubkeys = expanded.pubkeys
         input.signatures = expanded.signatures
@@ -705,10 +711,10 @@ function signatureHashType (buffer) {
 }
 
 TransactionBuilder.prototype.__canModifyInputs = function () {
-  return this.__inputs.every(function (input) {
+  return (this.__inputs || []).every(function (input) {
     if (!input.signatures) return true
 
-    return input.signatures.every(function (signature) {
+    return (input.signatures || []).every(function (signature) {
       if (!signature) return true
       const hashType = signatureHashType(signature)
 
@@ -775,3 +781,4 @@ TransactionBuilder.prototype.__overMaximumFees = function (bytes) {
 }
 
 module.exports = TransactionBuilder
+export {}
diff --git a/src/types.ts b/src/types.ts
index 2d1ec6f..9fff4a6 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -47,3 +47,4 @@ for (var typeName in typeforce) {
 }
 
 module.exports = types
+export {}
diff --git a/test/address.js b/test/address.js
index a0f4df0..19093b6 100644
--- a/test/address.js
+++ b/test/address.js
@@ -1,7 +1,7 @@
 const { describe, it } = require('mocha')
 const assert = require('assert')
-const baddress = require('../src/address')
-const bscript = require('../src/script')
+const baddress = require('../dist/src/address')
+const bscript = require('../dist/src/script')
 const fixtures = require('./fixtures/address.json')
 const NETWORKS = Object.assign({
   litecoin: {
@@ -14,7 +14,7 @@ const NETWORKS = Object.assign({
     scriptHash: 0x32,
     wif: 0xb0
   }
-}, require('../src/networks'))
+}, require('../dist/src/networks'))
 
 describe('address', function () {
   describe('fromBase58Check', function () {
diff --git a/test/block.js b/test/block.js
index d9ff405..eb52c0c 100644
--- a/test/block.js
+++ b/test/block.js
@@ -1,6 +1,6 @@
 const { describe, it, beforeEach } = require('mocha')
 const assert = require('assert')
-const Block = require('../src/block')
+const Block = require('../dist/src/block')
 
 const fixtures = require('./fixtures/block')
 
diff --git a/test/bufferutils.js b/test/bufferutils.js
index 5f2c39e..ceb649a 100644
--- a/test/bufferutils.js
+++ b/test/bufferutils.js
@@ -1,6 +1,6 @@
 const { describe, it } = require('mocha')
 const assert = require('assert')
-const bufferutils = require('../src/bufferutils')
+const bufferutils = require('../dist/src/bufferutils')
 
 const fixtures = require('./fixtures/bufferutils.json')
 
diff --git a/test/classify.js b/test/classify.js
index 3efcc74..33225b5 100644
--- a/test/classify.js
+++ b/test/classify.js
@@ -1,18 +1,18 @@
 const { describe, it } = require('mocha')
 const assert = require('assert')
-const bscript = require('../src/script')
-const classify = require('../src/classify')
+const bscript = require('../dist/src/script')
+const classify = require('../dist/src/classify')
 
 const fixtures = require('./fixtures/templates.json')
 
-const multisig = require('../src/templates/multisig')
-const nullData = require('../src/templates/nulldata')
-const pubKey = require('../src/templates/pubkey')
-const pubKeyHash = require('../src/templates/pubkeyhash')
-const scriptHash = require('../src/templates/scripthash')
-const witnessPubKeyHash = require('../src/templates/witnesspubkeyhash')
-const witnessScriptHash = require('../src/templates/witnessscripthash')
-const witnessCommitment = require('../src/templates/witnesscommitment')
+const multisig = require('../dist/src/templates/multisig')
+const nullData = require('../dist/src/templates/nulldata')
+const pubKey = require('../dist/src/templates/pubkey')
+const pubKeyHash = require('../dist/src/templates/pubkeyhash')
+const scriptHash = require('../dist/src/templates/scripthash')
+const witnessPubKeyHash = require('../dist/src/templates/witnesspubkeyhash')
+const witnessScriptHash = require('../dist/src/templates/witnessscripthash')
+const witnessCommitment = require('../dist/src/templates/witnesscommitment')
 
 const tmap = {
   pubKey,
diff --git a/test/crypto.js b/test/crypto.js
index 3f7802a..0a01c98 100644
--- a/test/crypto.js
+++ b/test/crypto.js
@@ -1,6 +1,6 @@
 const { describe, it } = require('mocha')
 const assert = require('assert')
-const bcrypto = require('../src/crypto')
+const bcrypto = require('../dist/src/crypto')
 
 const fixtures = require('./fixtures/crypto')
 
diff --git a/test/ecpair.js b/test/ecpair.js
index 45e646d..75a2e81 100644
--- a/test/ecpair.js
+++ b/test/ecpair.js
@@ -5,12 +5,12 @@ const assert = require('assert')
 const proxyquire = require('proxyquire')
 const hoodwink = require('hoodwink')
 
-const ECPair = require('../src/ecpair')
+const ECPair = require('../dist/src/ecpair')
 const tinysecp = require('tiny-secp256k1')
 
 const fixtures = require('./fixtures/ecpair.json')
 
-const NETWORKS = require('../src/networks')
+const NETWORKS = require('../dist/src/networks')
 const NETWORKS_LIST = [] // Object.values(NETWORKS)
 for (let networkName in NETWORKS) {
   NETWORKS_LIST.push(NETWORKS[networkName])
@@ -144,7 +144,7 @@ describe('ECPair', function () {
     describe('uses randombytes RNG', function () {
       it('generates a ECPair', function () {
         const stub = { randombytes: function () { return d } }
-        const ProxiedECPair = proxyquire('../src/ecpair', stub)
+        const ProxiedECPair = proxyquire('../dist/src/ecpair', stub)
 
         const keyPair = ProxiedECPair.makeRandom()
         assert.strictEqual(keyPair.toWIF(), exWIF)
diff --git a/test/payments.js b/test/payments.js
index 3c07bf3..53e3f16 100644
--- a/test/payments.js
+++ b/test/payments.js
@@ -4,7 +4,7 @@ const u = require('./payments.utils')
 
 ;['embed', 'p2ms', 'p2pk', 'p2pkh', 'p2sh', 'p2wpkh', 'p2wsh'].forEach(function (p) {
   describe(p, function () {
-    const fn = require('../src/payments/' + p)
+    const fn = require('../dist/src/payments/' + p)
     const fixtures = require('./fixtures/' + p)
 
     fixtures.valid.forEach(function (f, i) {
diff --git a/test/payments.utils.js b/test/payments.utils.js
index 485bf03..086561d 100644
--- a/test/payments.utils.js
+++ b/test/payments.utils.js
@@ -1,6 +1,6 @@
 const t = require('assert')
-const bscript = require('../src/script')
-const BNETWORKS = require('../src/networks')
+const bscript = require('../dist/src/script')
+const BNETWORKS = require('../dist/src/networks')
 
 function tryHex (x) {
   if (Buffer.isBuffer(x)) return x.toString('hex')
diff --git a/test/script.js b/test/script.js
index c2a60ad..013d50a 100644
--- a/test/script.js
+++ b/test/script.js
@@ -1,6 +1,6 @@
 const { describe, it } = require('mocha')
 const assert = require('assert')
-const bscript = require('../src/script')
+const bscript = require('../dist/src/script')
 const minimalData = require('minimaldata')
 
 const fixtures = require('./fixtures/script.json')
diff --git a/test/script_number.js b/test/script_number.js
index bc8f395..1d38e48 100644
--- a/test/script_number.js
+++ b/test/script_number.js
@@ -1,6 +1,6 @@
 const { describe, it } = require('mocha')
 const assert = require('assert')
-const scriptNumber = require('../src/script_number')
+const scriptNumber = require('../dist/src/script_number')
 const fixtures = require('./fixtures/script_number.json')
 
 describe('script-number', function () {
diff --git a/test/script_signature.js b/test/script_signature.js
index cee69bd..e56ff68 100644
--- a/test/script_signature.js
+++ b/test/script_signature.js
@@ -1,6 +1,6 @@
 const { describe, it } = require('mocha')
 const assert = require('assert')
-const bscriptSig = require('../src/script').signature
+const bscriptSig = require('../dist/src/script').signature
 const Buffer = require('safe-buffer').Buffer
 const fixtures = require('./fixtures/signature.json')
 
diff --git a/test/transaction.js b/test/transaction.js
index f8b7de9..f315a7d 100644
--- a/test/transaction.js
+++ b/test/transaction.js
@@ -1,8 +1,8 @@
 const { describe, it, beforeEach } = require('mocha')
 const assert = require('assert')
-const bscript = require('../src/script')
+const bscript = require('../dist/src/script')
 const fixtures = require('./fixtures/transaction')
-const Transaction = require('../src/transaction')
+const Transaction = require('../dist/src/transaction')
 
 describe('Transaction', function () {
   function fromRaw (raw, noWitness) {
diff --git a/test/transaction_builder.js b/test/transaction_builder.js
index 85adcff..a4b309a 100644
--- a/test/transaction_builder.js
+++ b/test/transaction_builder.js
@@ -1,13 +1,13 @@
 const { describe, it, beforeEach } = require('mocha')
 const assert = require('assert')
-const baddress = require('../src/address')
-const bscript = require('../src/script')
-const payments = require('../src/payments')
+const baddress = require('../dist/src/address')
+const bscript = require('../dist/src/script')
+const payments = require('../dist/src/payments')
 
-const ECPair = require('../src/ecpair')
-const Transaction = require('../src/transaction')
-const TransactionBuilder = require('../src/transaction_builder')
-const NETWORKS = require('../src/networks')
+const ECPair = require('../dist/src/ecpair')
+const Transaction = require('../dist/src/transaction')
+const TransactionBuilder = require('../dist/src/transaction_builder')
+const NETWORKS = require('../dist/src/networks')
 
 const fixtures = require('./fixtures/transaction_builder')
 
diff --git a/test/types.js b/test/types.js
index d245d53..831d415 100644
--- a/test/types.js
+++ b/test/types.js
@@ -1,6 +1,6 @@
 const { describe, it } = require('mocha')
 const assert = require('assert')
-const types = require('../src/types')
+const types = require('../dist/src/types')
 const typeforce = require('typeforce')
 
 describe('types', function () {
diff --git a/tsconfig.json b/tsconfig.json
index 8e1edb4..f358d14 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -22,6 +22,7 @@
       "src/**/*"
   ],
   "exclude": [
-      "**/*.spec.ts"
+      "**/*.spec.ts",
+      "node_modules/**/*"
   ]
 }