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-rw-r--r--libsolidity/interface/CompilerStack.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/libsolidity/interface/CompilerStack.cpp b/libsolidity/interface/CompilerStack.cpp
index 7c66a843..bc52ff7a 100644
--- a/libsolidity/interface/CompilerStack.cpp
+++ b/libsolidity/interface/CompilerStack.cpp
@@ -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);