From 93af5afe67dbc491e36bdfc8d48a00179093f7d1 Mon Sep 17 00:00:00 2001
From: junderw <junderwood@bitcoinbank.co.jp>
Date: Sat, 27 Nov 2021 08:35:19 +0900
Subject: [PATCH 1/3] Add warning to future segwit version address
 generation/parsing

---
 src/address.js    | 10 +++++++++-
 ts_src/address.ts | 12 +++++++++++-
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/address.js b/src/address.js
index 12938fc..164bf7e 100644
--- a/src/address.js
+++ b/src/address.js
@@ -13,6 +13,11 @@ const FUTURE_SEGWIT_MIN_SIZE = 2;
 const FUTURE_SEGWIT_MAX_VERSION = 16;
 const FUTURE_SEGWIT_MIN_VERSION = 1;
 const FUTURE_SEGWIT_VERSION_DIFF = 0x50;
+const FUTURE_SEGWIT_VERSION_WARNING =
+  'WARNING: Sending to a future segwit version address can lead to loss of funds. ' +
+  'End users MUST be warned carefully in the GUI and asked if they wish to proceed ' +
+  'with caution. Wallets should verify the segwit version from the output of fromBech32, ' +
+  'then decide when it is safe to use which version of segwit.';
 function _toFutureSegwitAddress(output, network) {
   const data = output.slice(2);
   if (
@@ -28,6 +33,7 @@ function _toFutureSegwitAddress(output, network) {
     throw new TypeError('Invalid version for segwit address');
   if (output[1] !== data.length)
     throw new TypeError('Invalid script for segwit address');
+  console.warn(FUTURE_SEGWIT_VERSION_WARNING);
   return toBech32(data, version, network.bech32);
 }
 function fromBase58Check(address) {
@@ -128,11 +134,13 @@ function toOutputScript(address, network) {
         decodeBech32.version <= FUTURE_SEGWIT_MAX_VERSION &&
         decodeBech32.data.length >= FUTURE_SEGWIT_MIN_SIZE &&
         decodeBech32.data.length <= FUTURE_SEGWIT_MAX_SIZE
-      )
+      ) {
+        console.warn(FUTURE_SEGWIT_VERSION_WARNING);
         return bscript.compile([
           decodeBech32.version + FUTURE_SEGWIT_VERSION_DIFF,
           decodeBech32.data,
         ]);
+      }
     }
   }
   throw new Error(address + ' has no matching Script');
diff --git a/ts_src/address.ts b/ts_src/address.ts
index d8111a7..753589d 100644
--- a/ts_src/address.ts
+++ b/ts_src/address.ts
@@ -23,6 +23,11 @@ const FUTURE_SEGWIT_MIN_SIZE: number = 2;
 const FUTURE_SEGWIT_MAX_VERSION: number = 16;
 const FUTURE_SEGWIT_MIN_VERSION: number = 1;
 const FUTURE_SEGWIT_VERSION_DIFF: number = 0x50;
+const FUTURE_SEGWIT_VERSION_WARNING: string =
+  'WARNING: Sending to a future segwit version address can lead to loss of funds. ' +
+  'End users MUST be warned carefully in the GUI and asked if they wish to proceed ' +
+  'with caution. Wallets should verify the segwit version from the output of fromBech32, ' +
+  'then decide when it is safe to use which version of segwit.';
 
 function _toFutureSegwitAddress(output: Buffer, network: Network): string {
   const data = output.slice(2);
@@ -44,6 +49,8 @@ function _toFutureSegwitAddress(output: Buffer, network: Network): string {
   if (output[1] !== data.length)
     throw new TypeError('Invalid script for segwit address');
 
+  console.warn(FUTURE_SEGWIT_VERSION_WARNING);
+
   return toBech32(data, version, network.bech32);
 }
 
@@ -163,11 +170,14 @@ export function toOutputScript(address: string, network?: Network): Buffer {
         decodeBech32.version <= FUTURE_SEGWIT_MAX_VERSION &&
         decodeBech32.data.length >= FUTURE_SEGWIT_MIN_SIZE &&
         decodeBech32.data.length <= FUTURE_SEGWIT_MAX_SIZE
-      )
+      ) {
+        console.warn(FUTURE_SEGWIT_VERSION_WARNING);
+
         return bscript.compile([
           decodeBech32.version + FUTURE_SEGWIT_VERSION_DIFF,
           decodeBech32.data,
         ]);
+      }
     }
   }
 

From 11202eb74cc9d9a7338ef4aa04c78061f0544289 Mon Sep 17 00:00:00 2001
From: junderw <junderwood@bitcoinbank.co.jp>
Date: Sat, 27 Nov 2021 08:42:12 +0900
Subject: [PATCH 2/3] 6.0.1

---
 package-lock.json | 2 +-
 package.json      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index d6b9ce8..2ea42ae 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "bitcoinjs-lib",
-  "version": "6.0.0",
+  "version": "6.0.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 36d9003..dc93c53 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bitcoinjs-lib",
-  "version": "6.0.0",
+  "version": "6.0.1",
   "description": "Client-side Bitcoin JavaScript library",
   "main": "./src/index.js",
   "types": "./src/index.d.ts",

From 2edfb992fa09761e09490b5efa27ba13a77de374 Mon Sep 17 00:00:00 2001
From: Vlad Stan <stan.v.vlad@gmail.com>
Date: Fri, 17 Dec 2021 13:27:35 +0200
Subject: [PATCH 3/3] test: upgrade ecpair lib to version 2.0.1

---
 package-lock.json                     | 123 ++------------------------
 package.json                          |   4 +-
 test/integration/addresses.spec.ts    |   5 +-
 test/integration/cltv.spec.ts         |   5 +-
 test/integration/csv.spec.ts          |   5 +-
 test/integration/payments.spec.ts     |   5 +-
 test/integration/transactions.spec.ts |   4 +-
 test/psbt.spec.ts                     |   3 +-
 8 files changed, 32 insertions(+), 122 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 2ea42ae..3e5bd51 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -541,15 +541,6 @@
       "integrity": "sha512-Phlt0plgpIIBOGTT/ehfFnbNlfsDEiqmzE2KRXoX1bLIlir4X/MR+zSyBEkL05ffWgnRSf/DXv+WrUAVr93/ow==",
       "dev": true
     },
-    "bindings": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
-      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
-      "dev": true,
-      "requires": {
-        "file-uri-to-path": "1.0.0"
-      }
-    },
     "bip174": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/bip174/-/bip174-2.0.1.tgz",
@@ -640,12 +631,6 @@
         "fill-range": "^7.0.1"
       }
     },
-    "brorand": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
-      "integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=",
-      "dev": true
-    },
     "browser-stdout": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.1.tgz",
@@ -931,59 +916,14 @@
       "dev": true
     },
     "ecpair": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/ecpair/-/ecpair-1.0.0.tgz",
-      "integrity": "sha512-1L+P/ivLC3eKHgqcX1M9tFYQWXDoqwJ3zQnN7zDaTtLpiCQKpFTaAZvnsPC5PkWB4q3EPFAHffCLvjfCqRjuwQ==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/ecpair/-/ecpair-2.0.1.tgz",
+      "integrity": "sha512-iT3wztQMeE/nDTlfnAg8dAFUfBS7Tq2BXzq3ae6L+pWgFU0fQ3l0woTzdTBrJV3OxBjxbzjq8EQhAbEmJNWFSw==",
       "dev": true,
       "requires": {
-        "randombytes": "^2.0.1",
-        "tiny-secp256k1": "^1.1.6",
-        "typeforce": "^1.11.3",
-        "wif": "^2.0.1"
-      },
-      "dependencies": {
-        "tiny-secp256k1": {
-          "version": "1.1.6",
-          "resolved": "https://registry.npmjs.org/tiny-secp256k1/-/tiny-secp256k1-1.1.6.tgz",
-          "integrity": "sha512-FmqJZGduTyvsr2cF3375fqGHUovSwDi/QytexX1Se4BPuPZpTE5Ftp5fg+EFSuEf3lhZqgCRjEG3ydUQ/aNiwA==",
-          "dev": true,
-          "requires": {
-            "bindings": "^1.3.0",
-            "bn.js": "^4.11.8",
-            "create-hmac": "^1.1.7",
-            "elliptic": "^6.4.0",
-            "nan": "^2.13.2"
-          }
-        }
-      }
-    },
-    "elliptic": {
-      "version": "6.5.4",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
-      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
-      "dev": true,
-      "requires": {
-        "bn.js": "^4.11.9",
-        "brorand": "^1.1.0",
-        "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.1",
-        "inherits": "^2.0.4",
-        "minimalistic-assert": "^1.0.1",
-        "minimalistic-crypto-utils": "^1.0.1"
-      },
-      "dependencies": {
-        "bn.js": {
-          "version": "4.12.0",
-          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
-          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
-          "dev": true
-        },
-        "inherits": {
-          "version": "2.0.4",
-          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
-          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-          "dev": true
-        }
+        "randombytes": "^2.1.0",
+        "typeforce": "^1.18.0",
+        "wif": "^2.0.6"
       }
     },
     "emoji-regex": {
@@ -1040,12 +980,6 @@
       "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
       "dev": true
     },
-    "file-uri-to-path": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
-      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==",
-      "dev": true
-    },
     "fill-keys": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/fill-keys/-/fill-keys-1.0.2.tgz",
@@ -1218,16 +1152,6 @@
         "safe-buffer": "^5.0.1"
       }
     },
-    "hash.js": {
-      "version": "1.1.7",
-      "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.7.tgz",
-      "integrity": "sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==",
-      "dev": true,
-      "requires": {
-        "inherits": "^2.0.3",
-        "minimalistic-assert": "^1.0.1"
-      }
-    },
     "hasha": {
       "version": "5.2.2",
       "resolved": "https://registry.npmjs.org/hasha/-/hasha-5.2.2.tgz",
@@ -1244,17 +1168,6 @@
       "integrity": "sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==",
       "dev": true
     },
-    "hmac-drbg": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/hmac-drbg/-/hmac-drbg-1.0.1.tgz",
-      "integrity": "sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=",
-      "dev": true,
-      "requires": {
-        "hash.js": "^1.0.3",
-        "minimalistic-assert": "^1.0.0",
-        "minimalistic-crypto-utils": "^1.0.1"
-      }
-    },
     "hoodwink": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/hoodwink/-/hoodwink-2.0.0.tgz",
@@ -1640,18 +1553,6 @@
         "pushdata-bitcoin": "^1.0.1"
       }
     },
-    "minimalistic-assert": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
-      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==",
-      "dev": true
-    },
-    "minimalistic-crypto-utils": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz",
-      "integrity": "sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo=",
-      "dev": true
-    },
     "minimatch": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
@@ -1720,12 +1621,6 @@
       "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
       "dev": true
     },
-    "nan": {
-      "version": "2.15.0",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.15.0.tgz",
-      "integrity": "sha512-8ZtvEnA2c5aYCZYd1cvgdnU6cqwixRoYg70xPLWUws5ORTa/lnw+u4amixRS/Ac5U5mQVgp9pnlSUnbNWFaWZQ==",
-      "dev": true
-    },
     "node-environment-flags": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/node-environment-flags/-/node-environment-flags-1.0.6.tgz",
@@ -2479,9 +2374,9 @@
       }
     },
     "tiny-secp256k1": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/tiny-secp256k1/-/tiny-secp256k1-2.1.1.tgz",
-      "integrity": "sha512-pdENPcbI4l3Br6sPVuC5RWONHojcPjBiXljIBvQ5UIN/MD6wPzmJ8mpDnkps3O7FFfT+fLqGXo2MdFdRQaPWUg==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/tiny-secp256k1/-/tiny-secp256k1-2.1.2.tgz",
+      "integrity": "sha512-8qPw7zDK6Hco2tVGYGQeOmOPp/hZnREwy2iIkcq0ygAuqc9WHo29vKN94lNymh1QbB3nthtAMF6KTIrdbsIotA==",
       "dev": true,
       "requires": {
         "uint8array-tools": "0.0.6"
diff --git a/package.json b/package.json
index dc93c53..c5553d5 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
     "bn.js": "^4.11.8",
     "bs58": "^4.0.0",
     "dhttp": "^3.0.0",
-    "ecpair": "^1.0.0",
+    "ecpair": "^2.0.1",
     "hoodwink": "^2.0.0",
     "minimaldata": "^1.0.2",
     "mocha": "^7.1.1",
@@ -84,7 +84,7 @@
     "randombytes": "^2.1.0",
     "regtest-client": "0.2.0",
     "rimraf": "^2.6.3",
-    "tiny-secp256k1": "^2.1.1",
+    "tiny-secp256k1": "^2.1.2",
     "ts-node": "^8.3.0",
     "tslint": "^6.1.3",
     "typescript": "^4.4.4"
diff --git a/test/integration/addresses.spec.ts b/test/integration/addresses.spec.ts
index 2b24ef5..d6e758b 100644
--- a/test/integration/addresses.spec.ts
+++ b/test/integration/addresses.spec.ts
@@ -1,8 +1,11 @@
 import * as assert from 'assert';
-import { ECPair } from 'ecpair';
+import ECPairFactory from 'ecpair';
+import * as ecc from 'tiny-secp256k1';
 import { describe, it } from 'mocha';
 import * as bitcoin from '../..';
 import { regtestUtils } from './_regtest';
+
+const ECPair = ECPairFactory(ecc);
 const dhttp = regtestUtils.dhttp;
 const TESTNET = bitcoin.networks.testnet;
 
diff --git a/test/integration/cltv.spec.ts b/test/integration/cltv.spec.ts
index c1a52de..04944eb 100644
--- a/test/integration/cltv.spec.ts
+++ b/test/integration/cltv.spec.ts
@@ -1,8 +1,11 @@
 import * as assert from 'assert';
-import { ECPair } from 'ecpair';
+import ECPairFactory from 'ecpair';
+import * as ecc from 'tiny-secp256k1';
 import { before, describe, it } from 'mocha';
 import * as bitcoin from '../..';
 import { regtestUtils } from './_regtest';
+
+const ECPair = ECPairFactory(ecc);
 const regtest = regtestUtils.network;
 const bip65 = require('bip65');
 
diff --git a/test/integration/csv.spec.ts b/test/integration/csv.spec.ts
index 9993d5c..742d68f 100644
--- a/test/integration/csv.spec.ts
+++ b/test/integration/csv.spec.ts
@@ -1,9 +1,12 @@
 import * as assert from 'assert';
 import { PsbtInput } from 'bip174/src/lib/interfaces';
-import { ECPair } from 'ecpair';
+import ECPairFactory from 'ecpair';
+import * as ecc from 'tiny-secp256k1';
 import { before, describe, it } from 'mocha';
 import * as bitcoin from '../..';
 import { regtestUtils } from './_regtest';
+
+const ECPair = ECPairFactory(ecc);
 const regtest = regtestUtils.network;
 const bip68 = require('bip68');
 const varuint = require('varuint-bitcoin');
diff --git a/test/integration/payments.spec.ts b/test/integration/payments.spec.ts
index ea7294e..d9d7fde 100644
--- a/test/integration/payments.spec.ts
+++ b/test/integration/payments.spec.ts
@@ -1,7 +1,10 @@
-import { ECPair } from 'ecpair';
+import ECPairFactory from 'ecpair';
+import * as ecc from 'tiny-secp256k1';
 import { describe, it } from 'mocha';
 import * as bitcoin from '../..';
 import { regtestUtils } from './_regtest';
+
+const ECPair = ECPairFactory(ecc);
 const NETWORK = regtestUtils.network;
 const keyPairs = [
   ECPair.makeRandom({ network: NETWORK }),
diff --git a/test/integration/transactions.spec.ts b/test/integration/transactions.spec.ts
index 51e44a0..ba7f2fe 100644
--- a/test/integration/transactions.spec.ts
+++ b/test/integration/transactions.spec.ts
@@ -1,10 +1,12 @@
 import * as assert from 'assert';
 import BIP32Factory from 'bip32';
 import * as ecc from 'tiny-secp256k1';
-import { ECPair } from 'ecpair';
+import ECPairFactory from 'ecpair';
 import { describe, it } from 'mocha';
 import * as bitcoin from '../..';
 import { regtestUtils } from './_regtest';
+
+const ECPair = ECPairFactory(ecc);
 const rng = require('randombytes');
 const regtest = regtestUtils.network;
 const bip32 = BIP32Factory(ecc);
diff --git a/test/psbt.spec.ts b/test/psbt.spec.ts
index 32d81ba..f583e80 100644
--- a/test/psbt.spec.ts
+++ b/test/psbt.spec.ts
@@ -2,10 +2,11 @@ import * as assert from 'assert';
 import BIP32Factory from 'bip32';
 import * as ecc from 'tiny-secp256k1';
 import * as crypto from 'crypto';
-import { ECPair } from 'ecpair';
+import ECPairFactory from 'ecpair';
 import { describe, it } from 'mocha';
 
 const bip32 = BIP32Factory(ecc);
+const ECPair = ECPairFactory(ecc);
 
 import { networks as NETWORKS, payments, Psbt, Signer, SignerAsync } from '..';