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Store experimental flag in metadata CBOR

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Alex Beregszaszi committed 2017-08-11 16:38:43 +01:00
1 parent 53a497b4d8
commit 4d82d4f57a
3 files changed
+37
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libsolidity/interface/CompilerStack.cpp
+6
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@@ -653,6 +653,12 @@ void CompilerStack::compileContract(
// CBOR-encoding of {"bzzr0": dev::swarmHash(metadata)}
bytes{0xa1, 0x65, 'b', 'z', 'z', 'r', '0', 0x58, 0x20} +
dev::swarmHash(metadata).asBytes();
if (!_contract.sourceUnit().annotation().experimentalFeatures.empty())
cborEncodedMetadata =
// CBOR-encoding of {"bzzr0": dev::swarmHash(metadata), "experimental": true}
bytes{0xa2, 0x65, 'b', 'z', 'z', 'r', '0', 0x58, 0x20} +
dev::swarmHash(metadata).asBytes() +
bytes{0x6c, 'e', 'x', 'p', 'e', 'r', 'i', 'm', 'e', 'n', 't', 'a', 'l', 0xf5};
solAssert(cborEncodedMetadata.size() <= 0xffff, "Metadata too large");
// 16-bit big endian length
cborEncodedMetadata += toCompactBigEndian(cborEncodedMetadata.size(), 2);