#!/usr/bin/env bash

#------------------------------------------------------------------------------
# Script used for cross-platform comparison as part of the travis automation.
# Splits all test source code into multiple files, generates bytecode and
# uploads the bytecode into github.com/ethereum/solidity-test-bytecode where
# another travis job is triggered to do the actual comparison.
#
# ------------------------------------------------------------------------------
# This file is part of solidity.
#
# solidity is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# solidity is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with solidity.  If not, see <http://www.gnu.org/licenses/>
#
# (c) 2017 solidity contributors.
#------------------------------------------------------------------------------

set -e

REPO_ROOT="$(dirname "$0")"/../..

if test -z "$1"; then
	BUILD_DIR="build"
else
	BUILD_DIR="$1"
fi

echo "Compiling all test contracts into bytecode..."
TMPDIR=$(mktemp -d)
(
    cd "$REPO_ROOT"
    REPO_ROOT=$(pwd) # make it absolute
    cd "$TMPDIR"

    "$REPO_ROOT"/scripts/isolate_tests.py "$REPO_ROOT"/test/

    if [[ "$SOLC_EMSCRIPTEN" = "On" ]]
    then
        # npm install solc
        git clone --depth 1 https://github.com/ethereum/solc-js.git solc-js
        ( cd solc-js; npm install )
        cp "$REPO_ROOT/emscripten_build/libsolc/soljson.js" solc-js/
        cat > solc <<EOF
#!/usr/bin/env node
var process = require('process')
var fs = require('fs')

var compiler = require('./solc-js/wrapper.js')(require('./solc-js/soljson.js'))

function removeSMT(source)
{
    return source.replace('pragma experimental SMTChecker;', '');
}

for (var optimize of [false, true])
{
    for (var filename of process.argv.slice(2))
    {
        if (filename !== undefined)
        {
            var inputs = {}
            inputs[filename] = { content: removeSMT(fs.readFileSync(filename).toString()) }
            var input = {
                language: 'Solidity',
                sources: inputs,
                settings: {
                    optimizer: { enabled: optimize },
                    outputSelection: { '*': { '*': ['evm.bytecode.object', 'metadata'] } }
                }
            }
            var result = JSON.parse(compiler.compile(JSON.stringify(input)))
            if (
                !('contracts' in result) ||
                Object.keys(result['contracts']).length === 0 ||
                !result['contracts'][filename] ||
                Object.keys(result['contracts'][filename]).length === 0
            )
            {
                // NOTE: do not exit here because this may be run on source which cannot be compiled
                console.log(filename + ': ERROR')
            }
            else
            {
                for (var contractName in result['contracts'][filename])
                {
                    var contractData = result['contracts'][filename][contractName];
                    if (contractData.evm !== undefined && contractData.evm.bytecode !== undefined)
                        console.log(filename + ':' + contractName + ' ' + contractData.evm.bytecode.object)
                    else
                        console.log(filename + ':' + contractName + ' NO BYTECODE')
                    console.log(filename + ':' + contractName + ' ' + contractData.metadata)
                }
            }
        }
    }
}
EOF
        echo "Running the compiler..."
        chmod +x solc
        ./solc *.sol > report.txt
        echo "Finished running the compiler."
    else
        $REPO_ROOT/scripts/bytecodecompare/prepare_report.py $REPO_ROOT/$BUILD_DIR/solc/solc
    fi

    cp report.txt $REPO_ROOT
)
rm -rf "$TMPDIR"
echo "Storebytecode finished."