From 31b6496db502b302e5a33597723ed847a83fe63e Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Wed, 13 Apr 2022 13:16:35 +0200
Subject: anastasis-core: salt rename, fix tagging

---
 packages/taler-util/src/bitcoin.ts | 70 +++++++++++++++++++++++---------------
 1 file changed, 42 insertions(+), 28 deletions(-)

(limited to 'packages/taler-util/src/bitcoin.ts')

diff --git a/packages/taler-util/src/bitcoin.ts b/packages/taler-util/src/bitcoin.ts
index 85a176dc6..cf9d52c40 100644
--- a/packages/taler-util/src/bitcoin.ts
+++ b/packages/taler-util/src/bitcoin.ts
@@ -14,55 +14,69 @@
  GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
  */
 
-import { AmountJson } from "."
-import { Amounts, } from "./amounts"
-import { getRandomBytes, decodeCrock, encodeCrock } from "./talerCrypto"
-import * as segwit from "./segwit_addr"
 /**
  *
  * @author sebasjm
  */
 
+/**
+ * Imports.
+ */
+import { AmountJson, Amounts } from "./amounts.js";
+import { getRandomBytes, decodeCrock } from "./talerCrypto.js";
+import * as segwit from "./segwit_addr.js";
+
 export interface SegwitAddrs {
-  addr1: string,
-  addr2: string,
+  addr1: string;
+  addr2: string;
 }
 
-function buf2hex(buffer: Uint8Array) { // buffer is an ArrayBuffer
+function buf2hex(buffer: Uint8Array) {
+  // buffer is an ArrayBuffer
   return [...new Uint8Array(buffer)]
-    .map(x => x.toString(16).padStart(2, '0'))
-    .join('');
+    .map((x) => x.toString(16).padStart(2, "0"))
+    .join("");
 }
 
-export function generateFakeSegwitAddress(reservePub: string, addr: string): SegwitAddrs {
-  const pub = decodeCrock(reservePub)
+export function generateFakeSegwitAddress(
+  reservePub: string,
+  addr: string,
+): SegwitAddrs {
+  const pub = decodeCrock(reservePub);
 
-  const first_rnd = getRandomBytes(4)
-  const second_rnd = new Uint8Array(first_rnd.length)
-  second_rnd.set(first_rnd)
+  const first_rnd = getRandomBytes(4);
+  const second_rnd = new Uint8Array(first_rnd.length);
+  second_rnd.set(first_rnd);
 
-  first_rnd[0] = first_rnd[0] & 0b0111_1111
-  second_rnd[0] = second_rnd[0] | 0b1000_0000
+  first_rnd[0] = first_rnd[0] & 0b0111_1111;
+  second_rnd[0] = second_rnd[0] | 0b1000_0000;
 
-  const first_part = new Uint8Array(first_rnd.length + pub.length / 2)
-  first_part.set(first_rnd, 0)
-  first_part.set(pub.subarray(0, 16), 4)
-  const second_part = new Uint8Array(first_rnd.length + pub.length / 2)
-  second_part.set(first_rnd, 0)
-  second_part.set(pub.subarray(16), 4)
+  const first_part = new Uint8Array(first_rnd.length + pub.length / 2);
+  first_part.set(first_rnd, 0);
+  first_part.set(pub.subarray(0, 16), 4);
+  const second_part = new Uint8Array(first_rnd.length + pub.length / 2);
+  second_part.set(first_rnd, 0);
+  second_part.set(pub.subarray(16), 4);
 
-  console.log(first_part.length, second_part.length)
+  console.log(first_part.length, second_part.length);
 
-  const prefix = (addr[0] === 't' && addr[1] == 'b') ? "tb" : (addr[0] === 'b' && addr[1] == 'c' && addr[2] === 'r' && addr[3] == 't') ? 'bcrt' : (addr[0] === 'b' && addr[1] == 'c') ? 'bc' : undefined
-  if (prefix === undefined) throw new Error('unknown bitcoin net')
+  const prefix =
+    addr[0] === "t" && addr[1] == "b"
+      ? "tb"
+      : addr[0] === "b" && addr[1] == "c" && addr[2] === "r" && addr[3] == "t"
+      ? "bcrt"
+      : addr[0] === "b" && addr[1] == "c"
+      ? "bc"
+      : undefined;
+  if (prefix === undefined) throw new Error("unknown bitcoin net");
 
   return {
     addr1: segwit.default.encode(prefix, 0, first_part),
     addr2: segwit.default.encode(prefix, 0, second_part),
-  }
+  };
 }
 
 // https://github.com/bitcoin/bitcoin/blob/master/src/policy/policy.cpp
 export function segwitMinAmount(): AmountJson {
-  return Amounts.parseOrThrow("BTC:0.00000294")
-}
\ No newline at end of file
+  return Amounts.parseOrThrow("BTC:0.00000294");
+}
-- 
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