Create a quine to test app_params_get AppApprovalProgram (#2682)

I made a TEAL quine to test the output of app_params_get AppApprovalProgram for the current program. It's mostly for fun but this does strengthen the tests for app_params_get.

Author: jasonpaulos

test/scripts/e2e_subs/teal-app-params.sh

@@ -17,14 +17,23 @@ gcmd="goal -w ${WALLET}"
 
 ACCOUNT=$(${gcmd} account list|awk '{ print $3 }')
 
-APPID=$(${gcmd} app create --creator "$ACCOUNT" --approval-prog=${TEAL}/app-params.teal  --clear-prog=${TEAL}/approve-all.teal --global-byteslices 1 --global-ints 2 --local-byteslices 3 --local-ints 4 --extra-pages 2 --app-arg "addr:$ACCOUNT" | grep Created | awk '{ print $6 }')
+APPID=$(${gcmd} app create --creator "$ACCOUNT" --approval-prog=${TEAL}/app-params.teal --clear-prog=${TEAL}/approve-all.teal --global-byteslices 1 --global-ints 2 --local-byteslices 3 --local-ints 4 --extra-pages 2 --app-arg "addr:$ACCOUNT" | grep Created | awk '{ print $6 }')
 
 ACCOUNTB=$(${gcmd} account new|awk '{ print $6 }')
 ${gcmd} clerk send -f "$ACCOUNT" -t "$ACCOUNTB" -a 1000000
 
 # Now call from a different account
 ${gcmd} app call --app-id="$APPID" --from="$ACCOUNTB" --app-arg "addr:$ACCOUNT"
 
+# The below checks use quine.teal to test "app_params_get AppApprovalProgram"
 
+# Verify "app_params_get AppApprovalProgram" works on create
+APPID_2=$(${gcmd} app create --creator "$ACCOUNTB" --approval-prog=${TEAL}/quine.teal --clear-prog=${TEAL}/approve-all.teal --global-byteslices 0 --global-ints 0 --local-byteslices 0 --local-ints 0 --extra-pages 0 | grep Created | awk '{ print $6 }')
+
+# Verify "app_params_get AppApprovalProgram" works on regular app call
+${gcmd} app call --app-id="$APPID_2" --from="$ACCOUNTB"
+
+# Verify "app_params_get AppApprovalProgram" works on update
+${gcmd} app update --app-id="$APPID_2" --from="$ACCOUNTB" --approval-prog=${TEAL}/approve-all.teal --clear-prog=${TEAL}/approve-all.teal
 
 date "+${scriptname} OK %Y%m%d_%H%M%S"

test/scripts/e2e_subs/tealprogs/quine.teal

@@ -0,0 +1,22 @@
+#pragma version 5
+// To modify the program:
+// 1. Replace the first line with `pushbytes ""`.
+// 2. Compile the program.
+// 3. Replace the first line with `pushbytes <compiled bytecode>`
+// 4. Update the varuint length of the new bytecode (line 11)
+// 5. The quine is complete. Compile again.
+pushbytes 0x0580004957000280011a504f0149570300505081007200441243
+dup
+extract 0 2
+pushbytes 0x1a // the varuint length of 0x0580...
+concat
+uncover 1
+dup
+extract 3 0 // the range here must be updated if the varuint length is longer than 1 byte
+concat
+concat // after this line the whole program is on the stack
+pushint 0
+app_params_get AppApprovalProgram
+assert
+==
+return