solidity/scripts/AsmJsonImportTest.sh
2021-11-12 10:34:45 -05:00

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#!/usr/bin/env bash
# Bash script to test the asm-json-import input mode of the compiler by
# first exporting a .sol file to JSON that containing assembly json and corresponding bytecode,
# then the compiler is invoked in assembly json import mode `--import-asm-json` and uses the previously
# generated assembly json as input, where the corresponding bytecode output will be stored.
# Finally, the originally generated bytecode will be compared with the one that was generated by using the
# assembly json file as input.
set -eo pipefail
READLINK=readlink
if [[ "$OSTYPE" == "darwin"* ]]; then
READLINK=greadlink
fi
REPO_ROOT=$(${READLINK} -f "$(dirname "$0")"/..)
# shellcheck source=scripts/common_import.sh
source "${REPO_ROOT}/scripts/common_import.sh"
SEMANTICTESTS_DIR="${REPO_ROOT}/test/libsolidity/semanticTests"
NSOURCES="$(find "$SEMANTICTESTS_DIR" -type f | wc -l)"
init_import_tests
# function tests whether importing an assembly json file creates identical bytecode.
# Results are recorded by adding to FAILED or UNCOMPILABLE.
# Also, in case of a mismatch a diff and the respective ASTs are printed
# Expected parameters:
# $1 name of the file to be exported and imported
# $2 any files needed to do so that might be in parent directories
function testImportExportEquivalence {
local nth_input_file="$1"
IFS=" " read -r -a all_input_files <<< "$2"
if $SOLC "$nth_input_file" "${all_input_files[@]}" --combined-json asm,bin > /dev/null 2>&1
then
local types=( "bin" "bin-runtime" "opcodes" "asm" "srcmap" "srcmap-runtime" )
local test_types=( "bin" "bin-runtime" "opcodes" "asm" )
# save exported json as expected result (silently)
$SOLC --combined-json asm,opcodes,bin,srcmap,srcmap-runtime,bin-runtime --pretty-json "$nth_input_file" "${all_input_files[@]}" > expected.json 2> /dev/null
for contract in $(jq '.contracts | keys | .[]' expected.json 2> /dev/null)
do
for type in "${types[@]}"
do
jq --raw-output ".contracts.${contract}.\"${type}\"" expected.json > "expected.${type}"
done
expected_bin=$(cat expected.bin)
if [[ $expected_bin == "" ]]
then
continue
fi
if ! "$SOLC" --import-asm-json expected.asm --combined-json asm,opcodes,bin,srcmap,srcmap-runtime,bin-runtime > imported.json 2> /dev/null
then
# For investigating, use exit 1 here so the script stops at the
# first failing test
# exit 1
echo ""
echo "Failed with contract ${contract}!?"
echo ""
FAILED=$((FAILED + 1))
return 1
fi
for type in "${test_types[@]}"
do
jq --raw-output ".contracts.\"expected.asm\".\"${type}\"" imported.json > "imported.${type}"
if ! diff "expected.${type}" "imported.${type}"
then
echo ""
echo "Failed with contract ${contract} (${type})."
echo ""
if [ "$DIFFVIEW" == "" ]
then
echo "Expected:"
cat "./expected.${type}"
echo "Obtained:"
cat "./imported.${type}"
else
# Use user supplied diff view binary
$DIFFVIEW "expected.${type}" "imported.${type}"
fi
FAILED=$((FAILED + 1))
return 2
fi
done
done
TESTED=$((TESTED + 1))
rm -f expected.json asm.json expected.bin imported.bin
else
# echo "contract $solfile could not be compiled "
UNCOMPILABLE=$((UNCOMPILABLE + 1))
fi
# return 0
}
echo "Looking at $NSOURCES .sol files..."
TEST_FILES=$(find "$SEMANTICTESTS_DIR" -name "*.sol")
run_import_tests "$TEST_FILES" "$SPLITSOURCES" "$NSOURCES" "$PWD"