fix demo_sidechain with fee tolerance

cli/demo_sidechain.sh

@@ -75,8 +75,12 @@ echo "Using node uri ${INTEGRITEE_RPC_URL}:${INTEGRITEE_RPC_PORT}"
 echo "Using trusted-worker 1 uri ${WORKER_1_URL}:${WORKER_1_PORT}"
 echo "Using trusted-worker 2 uri ${WORKER_2_URL}:${WORKER_2_PORT}"
 
-INITIALFUNDS=50000000000
-AMOUNTTRANSFER=20000000000
+# the parentchain token is 12 decimal
+UNIT=$(( 10 ** 12 ))
+FEE_TOLERANCE=$((10 ** 11))
+
+INITIALFUNDS=$((5 * UNIT))
+AMOUNTTRANSFER=$((2 * UNIT))
 
 CLIENTWORKER1="${CLIENT_BIN} -p ${INTEGRITEE_RPC_PORT} -P ${WORKER_1_PORT} -u ${INTEGRITEE_RPC_URL} -U ${WORKER_1_URL}"
 CLIENTWORKER2="${CLIENT_BIN} -p ${INTEGRITEE_RPC_PORT} -P ${WORKER_2_PORT} -u ${INTEGRITEE_RPC_URL} -U ${WORKER_2_URL}"
@@ -141,12 +145,13 @@ BOB_BALANCE=$(${CLIENTWORKER2} trusted --mrenclave ${MRENCLAVE} balance ${ICGACC
 echo "$BOB_BALANCE"
 echo ""
 
-ALICE_EXPECTED_BALANCE=10000000000
-BOB_EXPECTED_BALANCE=40000000000
+ALICE_EXPECTED_BALANCE=$(( 1 * UNIT ))
+BOB_EXPECTED_BALANCE=$(( 4 * UNIT ))
 
 echo "* Verifying Alice's balance"
 if [ "$ALICE_BALANCE" -ne "$ALICE_EXPECTED_BALANCE" ]; then
-  echo "Alice's balance is wrong (expected: $ALICE_EXPECTED_BALANCE, actual: $ALICE_BALANCE)"
+if (( ALICE_BALANCE >= ALICE_EXPECTED_BALANCE ? ALICE_BALANCE - ALICE_EXPECTED_BALANCE > FEE_TOLERANCE : ALICE_EXPECTED_BALANCE - ALICE_BALANCE > FEE_TOLERANCE)); then
+  echo "Alice's balance is wrong (expected: $ALICE_EXPECTED_BALANCE, actual: $ALICE_BALANCE), tolerance = $FEE_TOLERANCE"
   exit 1
 else
     echo "Alice's balance is correct ($ALICE_BALANCE)"