adding two convenience scripts: one builds obsidian, runs it on one o…

…f the files in GanacheTests, and pretty prints the output via solc; the other throws a binary representation a program to ganache-cli and reports the result. these more or less break up the travis tests in ganache-tests.sh so that it's easier to use in development locally

bin/run_obs_yul.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+if [ ! $(basename $(pwd -P)) == "Obsidian" ]
+then
+    echo "don't run this unless you're in the obsidian tld"
+    exit 1
+fi
+
+
+DIR="resources/tests/GanacheTests"
+
+if [ ! "$1" ]
+then
+    echo "provide an argument! your options are:"
+    ls -1 "$DIR"/*.obs | xargs basename -s ".obs"
+    exit 1
+fi
+
+TEST="$DIR/$1.obs"
+
+if [ ! -e "$TEST" ]
+then
+    echo "$TEST does not exist"
+    exit 1
+fi
+
+if [ -d "$1" ]
+then
+   rm -f "$1/$1.yul"
+   rmdir "$1"
+fi
+
+sbt "runMain edu.cmu.cs.obsidian.Main --yul $TEST" || exit 1
+
+SOLC_OUT=$(docker run -v "$( pwd -P )/$1":/sources ethereum/solc:stable --strict-assembly "/sources/$1.yul")
+
+TOP=$(echo "$SOLC_OUT" | grep -n "Pretty printed source:" | cut -f1 -d:)
+BOT=$(echo "$SOLC_OUT" | grep -n "Binary representation:" | cut -f1 -d:)
+TOP=$((TOP+1))
+BOT=$((BOT-1))
+
+echo "*********"
+echo "THIS OUTPUT IS PRETTY-PRINTED BY SOLC, IT IS NOT LITERALLY WHAT WE PRODUCE"
+echo "*********"
+
+echo "$SOLC_OUT" | sed -n $TOP','$BOT'p' | sed '/^[[:space:]]*$/d'

bin/throw_evm.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+
+GAS=30000000                  # this is a magic number (issue #302)
+GAS_HEX=$(printf '%x' $GAS)
+GAS_PRICE='0x9184e72a000'     # this is a magic number from the YUL docs (issue #302)
+START_ETH=5000000             # this is a magic number (issue #302)
+NUM_ACCT=1
+
+# start up ganache
+echo "starting ganache-cli"
+ganache-cli --gasLimit "$GAS" --accounts="$NUM_ACCT" --defaultBalanceEther="$START_ETH" &> /dev/null &
+
+# form the JSON object to ask for the list of accounts
+ACCT_DATA=$( jq -ncM \
+                --arg "jn" "2.0" \
+                --arg "mn" "eth_accounts" \
+                --argjson "pn" "[]" \
+                --arg "idn" "1" \
+                '{"jsonrpc":$jn,"method":$mn,"params":$pn,"id":$idn}'
+         )
+
+# we'll keep querying for the accounts until we get a good result, this
+# will also block until ganache-cli comes up.
+echo "querying ganache-cli until accounts are available"
+KEEPGOING=1
+ACCTS=""
+until [ "$KEEPGOING" -eq 0 ] ;
+do
+    ACCTS=$(curl --silent -X POST --data "$ACCT_DATA" http://localhost:8545)
+    KEEPGOING=$?
+    sleep 1
+done
+echo
+
+# todo: i'm not sure what account to mark as the "to" account. i think i
+# can use that later to test the output of running more complicated
+# contracts. i'll need to make more than one account when i start up
+# ganache. (issue #302)
+ACCT=`echo $ACCTS | jq '.result[0]' | tr -d '"'`
+echo "ACCT is $ACCT"
+
+# todo what's that 0x0 mean?
+PARAMS=$( jq -ncM \
+             --arg "fn" "$ACCT" \
+             --arg "gn" "0x$GAS_HEX" \
+	     --arg "gpn" "$GAS_PRICE" \
+	     --arg "vn" "0x0" \
+	     --arg "dn" "0x$1" \
+             '{"from":$fn,"gas":$gn,"gasPrice":$gpn,"value":$vn,"data":$dn}'
+      )
+
+SEND_DATA=$( jq -ncM \
+                --arg "jn" "2.0" \
+                --arg "mn" "eth_sendTransaction" \
+                --argjson "pn" "$PARAMS" \
+                --arg "idn" "1" \
+                '{"jsonrpc":$jn,"method":$mn,"params":$pn,"id":$idn}'
+      )
+
+echo "transaction being sent is given by"
+echo "$SEND_DATA" | jq
+echo
+
+RESP=$(curl -s -X POST --data "$SEND_DATA" http://localhost:8545)
+echo "response from ganache is"
+((echo "$RESP" | tr -d '\n') ; echo) | jq # (issue #302)
+
+echo "killing ganache-cli"
+kill -9 $(lsof -t -i:8545)