Rename ak-pack_z_block to ak-zblock-pack

1 files changed, 158 insertions, 0 deletions

diff --git a/bin/ak-zblock-pack b/bin/ak-zblock-pack
new file mode 100755
index 0000000..5105f38
--- /dev/null
+++ b/bin/ak-zblock-pack
@@ -0,0 +1,158 @@
+#!/bin/bash
+# This file describe the structure of the ArchingKaos messages in their basis.
+#
+# As previously thought, we exchange one IPFS hash through whatever means we can.
+# 
+# GPG is mentioned as a signing algorithm for encryption, decryption and signing.
+# Let's say we have a file named as `example`
+#
+# We can extend this with calling the encoder and further send the transaction
+#
+
+#AK_FINGERPRINT="CHANGE THIS TO YOUR DEFAULT AK_FINGERPRINT"
+# We acquire the GPG fingerprint by email address
+# The following example finds kaos@kaos.kaos' GPG fingerprint like this
+# AK_FINGERPRINT="$(gpg2 --homedir $AK_GPGHOME --list-keys | grep kaos@kaos.kaos -1 | head -n1 | awk '{print $1}')"
+
+PROGRAM="$(basename $0)"
+set -xe
+
+# Logging patch
+logit(){
+	ak-logthis "<$PROGRAM>" "$1" "$2"
+}
+
+# Below, the usage information
+usage(){
+	echo ""
+	echo "Usage:"
+	echo "$PROGRAM <action> <data_file>"
+	echo ""
+	echo "	Creates and publishes a ZBLOCK based on ACTION and DATA file."
+	echo ""
+	echo "		action		An action for the render to grasp"
+	echo "		data_file	A data file that according to the action is valid"
+	echo ""
+	echo "#TODO:"
+	echo "implement flags to change the inputs so we can manufacture"
+	echo "zblocks directly from IPFS hashes refering to blocks."
+}
+
+
+main(){
+    # We check firstly if the encapsulated value of the "ipfs" key has already
+    # appeared in the zchain.
+    TO_CHECK="$(cat $MESSAGE | jq | grep ipfs | awk '{print $2}' | sed -e 's/"//g;s/,//g')"
+    ak-enter | jq | grep ipfs | awk '{print $2}' | sed -e 's/"//g;s/,//g' | sort | uniq > tempisalreadythere
+    while IFS="" read -r p || [ -n "$p" ]
+    do
+        if [ "$p" == "$TO_CHECK" ]
+        then
+            logit "[ERROR]" "Value $TO_CHECK already mentioned on the zchain"
+            exit 1
+        fi
+    done < tempisalreadythere
+    rm tempisalreadythere
+ 
+	logit "[INFO]" "We are doing $ACTION with content $MESSAGE"
+	# We add it to IPFS
+	MESSAGE_HASH=$(ak-ipfs-add $MESSAGE)
+
+	# We create a detached and armor signature of it
+	MESSAGE_SIGN_FILE=$MESSAGE".asc"
+	gpg2 --homedir $AK_GPGHOME --detach-sign --sign-with $AK_FINGERPRINT --armor --output $MESSAGE_SIGN_FILE $MESSAGE
+
+	# We add the signature to IPFS
+	MESSAGE_SIGNATURE=$(ak-ipfs-add $MESSAGE_SIGN_FILE)
+
+	# We will be using our public key also to put it in the block later
+	KEY="gpg.pub"
+	gpg2 --homedir $AK_GPGHOME --armour --output $KEY --export $AK_FINGERPRINT
+	GPG_PUB_KEY=$(ak-ipfs-add $KEY)
+
+	# Acquire last block of information, to chain this one with previous posted
+	PREVIOUS=$(ak-ipfs-files-stat /zlatest | head -n 1)
+
+	# We create a block of json like this:
+    printf '{"timestamp":"%s","action":"%s","data":"%s","detach":"%s","gpg":"%s","previous":"%s"}' $(date -u +%s) $ACTION $MESSAGE_HASH $MESSAGE_SIGNATURE $GPG_PUB_KEY $PREVIOUS > block
+	BLOCK="block"
+	BLOCK_SIG=$BLOCK".asc"
+	# We have a block now, so we sign it
+	gpg2 --homedir $AK_GPGHOME --detach-sign --sign-with $AK_FINGERPRINT --armor --output $BLOCK_SIG $BLOCK
+
+	# We now add the signature to IPFS
+	BLOCK_SIGNATURE=$(ak-ipfs-add $BLOCK_SIG)
+
+	# We also add the block!
+	BLOCK=$(ak-ipfs-add $BLOCK)
+
+	# So we now do the think almost again
+	printf '{"block":"%s","block_signature":"%s"}' $BLOCK $BLOCK_SIGNATURE > zblock
+	ZBL="zblock"
+	# and we add it on IPFS
+	ZBLOCK=$(ak-ipfs-add $ZBL)
+	echo $ZBLOCK
+}
+
+if [ ! -z $2 ];
+then
+	MESSAGE="$2"
+	ACTION="$1"
+	if [ -f "$MESSAGE" ]; then
+		main
+	else
+		logit "[ERROR]" "File does not exist. Aborting..."
+		exit 1
+	fi
+
+	# cat $PWD/zblock | jq -M
+	# Optional or extending with
+	# python send_as_ak_tx $ZBLOCK
+	# or for "offline" use
+	echo $ZBLOCK > $AK_ZLATEST
+	ak-ipfs-name-publish --key=zchain $ZBLOCK > /dev/null 2>&1
+    if [ "$?" -ne 0 ]
+    then
+        logit "[ERROR]" "Failed publishing ZBLOCK: $ZBLOCK"
+        exit 1
+    fi
+	ak-ipfs-files-ls /zarchive > /dev/null 2>&1
+    if [ "$?" -ne 0 ]
+    then
+        logit "[WARNING]" "/zarchive does not exist"
+        ak-ipfs-files-mkdir /zarchive > /dev/null 2>&1
+        if [ "$?" -ne 0 ]
+        then
+            logit "[ERROR]" "Could not create /zarchive directory. Aborting."
+            exit 1
+        fi
+    fi
+	ak-ipfs-files-cp /zlatest /zarchive/$(date -u +%s)-$(ak-ipfs-files-stat /zlatest | head -n 1) > /dev/null 2>&1
+    if [ "$?" -ne 0 ]
+    then
+        logit "[ERROR]" "Could not back up previous /zlatest"
+        exit 1
+    fi
+	ak-ipfs-files-rm /zlatest > /dev/null 2>&1
+    if [ "$?" -ne 0 ]
+    then
+        logit "[ERROR]" "Could not remove previous /zlatest"
+        exit 1
+    fi
+	ak-ipfs-files-cp /ipfs/$ZBLOCK /zlatest > /dev/null 2>&1
+    if [ "$?" -ne 0 ]
+    then
+        logit "[ERROR]" "Could not copy $ZBLOCK to /zlatest"
+        exit 1
+    fi
+    ak-config publish
+    if [ "$?" -ne 0 ]
+    then
+        logit "[ERROR]" "Could not publish new configuration"
+        exit 1
+    fi
+else
+	usage
+	exit 0
+fi
+