From d6238612319ca527a5606c10bf6ab2942a4c4919 Mon Sep 17 00:00:00 2001
From: SidestreamColdMelon <SASCoreUnit+1@gmail.com>
Date: Mon, 4 Dec 2023 10:35:35 +0100
Subject: [PATCH 1/3] add support for Darwin platform

---
 scripts/time.sh | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/scripts/time.sh b/scripts/time.sh
index f3af80379..14a818d41 100755
--- a/scripts/time.sh
+++ b/scripts/time.sh
@@ -1,6 +1,9 @@
 #!/usr/bin/env bash
 set -e
 
+SYSTEM=`uname`;
+FORMAT="%Y-%m-%d %H:%M:%S";
+
 for ARGUMENT in "$@"
 do
     KEY=$(echo "$ARGUMENT" | cut -f1 -d=)
@@ -16,15 +19,25 @@ done
 if [[ -z "$STAMP" && -z "$DATE" ]]; then
 cat <&2 <<.
 Please use the date or stamp flag, ex:
-    ${0##*/} date="1 May 2022"
+    ${0##*/} date="2023-12-01 00:00:00"
         or
     ${0##*/} stamp="1651363200"
 .
     exit 1
 elif [[ -z "$DATE" ]]; then
-    date -u -d @"$STAMP"
-    date -u -d @"$STAMP" +%s
+    if [ "$SYSTEM" = "Darwin" ]; then
+        date -u -r "$STAMP"
+        date -u -r "$STAMP" "+$FORMAT"
+    else
+        date -u -d @"$STAMP"
+        date -u -d @"$STAMP" +%s
+    fi
 else
-    date --utc --date="$DATE"
-    date --utc --date="$DATE" +%s
+    if [ "$SYSTEM" = "Darwin" ]; then
+        date -u -j -f "$FORMAT" "$DATE"
+        date -u -j -f "$FORMAT" "$DATE" +%s
+    else
+        date --utc --date="$DATE"
+        date --utc --date="$DATE" +%s
+    fi
 fi

From 489508af1a9dcb15d072c1e3b75d4cb3faddd34f Mon Sep 17 00:00:00 2001
From: SidestreamColdMelon <SASCoreUnit+1@gmail.com>
Date: Wed, 6 Dec 2023 11:52:26 +0100
Subject: [PATCH 2/3] replace shell script with python

---
 Makefile        |  2 +-
 scripts/time.py | 26 ++++++++++++++++++++++++++
 scripts/time.sh | 43 -------------------------------------------
 3 files changed, 27 insertions(+), 44 deletions(-)
 create mode 100755 scripts/time.py
 delete mode 100755 scripts/time.sh

diff --git a/Makefile b/Makefile
index 3f9c2f0e5..6fcf81299 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@ diff-archive-spell   :; ./scripts/diff-archive-dssspell.sh "$(if $(date),$(date)
 feed                 :; ./scripts/check-oracle-feed.sh $(pip)
 feed-lp              :; ./scripts/check-oracle-feed-lp.sh $(pip)
 wards                :; ./scripts/wards.sh $(target)
-time                 :; ./scripts/time.sh date="$(date)" stamp="$(stamp)"
+time                 :; ./scripts/time.py date="$(date)" stamp="$(stamp)"
 exec-hash            :; ./scripts/hash-exec-copy.sh "$(if $(date),$(date),$(shell date +'%Y-%m-%d'))"
 opt-cost             :; ./scripts/get-opt-relay-cost.sh $(spell)
 arb-cost             :; ./scripts/get-arb-relay-cost.sh $(spell)
diff --git a/scripts/time.py b/scripts/time.py
new file mode 100755
index 000000000..53c2990c8
--- /dev/null
+++ b/scripts/time.py
@@ -0,0 +1,26 @@
+#! /usr/bin/env python3
+
+import argparse
+from datetime import datetime, timezone
+
+DATE_FORMAT="%Y-%m-%d %H:%M:%S";
+
+# Parse positional arguments
+parser=argparse.ArgumentParser()
+parser.add_argument("date", help="Converts date to UTC timestamp")
+parser.add_argument("stamp", help="Converts timestamp to UTC date")
+parsed=parser.parse_args()
+
+# Cleanup positional arguments
+date = parsed.date.replace("date=", "").replace(" UTC", "")
+stamp = parsed.stamp.replace("stamp=", "")
+
+# Convert provided input in UTC format into desired output in UTC as well
+if date:
+    utc_date = datetime.strptime(date, DATE_FORMAT).replace(tzinfo=timezone.utc)
+    print(utc_date)
+    print(int(utc_date.timestamp()))
+if stamp:
+    utc_date = datetime.fromtimestamp(int(stamp), timezone.utc)
+    print(utc_date)
+    print(utc_date.strftime(DATE_FORMAT))
diff --git a/scripts/time.sh b/scripts/time.sh
deleted file mode 100755
index 14a818d41..000000000
--- a/scripts/time.sh
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env bash
-set -e
-
-SYSTEM=`uname`;
-FORMAT="%Y-%m-%d %H:%M:%S";
-
-for ARGUMENT in "$@"
-do
-    KEY=$(echo "$ARGUMENT" | cut -f1 -d=)
-    VALUE=$(echo "$ARGUMENT" | cut -f2 -d=)
-
-    case "$KEY" in
-            date)      DATE="$VALUE" ;;
-            stamp)     STAMP="$VALUE" ;;
-            *)
-    esac
-done
-
-if [[ -z "$STAMP" && -z "$DATE" ]]; then
-cat <&2 <<.
-Please use the date or stamp flag, ex:
-    ${0##*/} date="2023-12-01 00:00:00"
-        or
-    ${0##*/} stamp="1651363200"
-.
-    exit 1
-elif [[ -z "$DATE" ]]; then
-    if [ "$SYSTEM" = "Darwin" ]; then
-        date -u -r "$STAMP"
-        date -u -r "$STAMP" "+$FORMAT"
-    else
-        date -u -d @"$STAMP"
-        date -u -d @"$STAMP" +%s
-    fi
-else
-    if [ "$SYSTEM" = "Darwin" ]; then
-        date -u -j -f "$FORMAT" "$DATE"
-        date -u -j -f "$FORMAT" "$DATE" +%s
-    else
-        date --utc --date="$DATE"
-        date --utc --date="$DATE" +%s
-    fi
-fi

From f44738b837444de1d877a00bc2c3de175af545bf Mon Sep 17 00:00:00 2001
From: SidestreamColdMelon <SASCoreUnit+1@gmail.com>
Date: Wed, 6 Dec 2023 16:57:14 +0100
Subject: [PATCH 3/3] accept any iso date as input

---
 scripts/time.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/time.py b/scripts/time.py
index 53c2990c8..83993c54b 100755
--- a/scripts/time.py
+++ b/scripts/time.py
@@ -12,12 +12,12 @@
 parsed=parser.parse_args()
 
 # Cleanup positional arguments
-date = parsed.date.replace("date=", "").replace(" UTC", "")
+date = parsed.date.replace("date=", "").upper().replace(" UTC", "")
 stamp = parsed.stamp.replace("stamp=", "")
 
 # Convert provided input in UTC format into desired output in UTC as well
 if date:
-    utc_date = datetime.strptime(date, DATE_FORMAT).replace(tzinfo=timezone.utc)
+    utc_date = datetime.fromisoformat(date).replace(tzinfo=timezone.utc)
     print(utc_date)
     print(int(utc_date.timestamp()))
 if stamp: