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Use CBOR encoding.

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This commit is contained in:
chriseth
2016-12-01 16:03:59 +01:00
parent e0d4a3d518
commit 6a7ff039df
5 changed files with 39 additions and 14 deletions
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libsolidity/interface/CompilerStack.cpp
+8 -1
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@@ -611,7 +611,14 @@ void CompilerStack::compileContract(
shared_ptr<Compiler> compiler = make_shared<Compiler>(m_optimize, m_optimizeRuns);
Contract& compiledContract = m_contracts.at(_contract.name());
string onChainMetadata = createOnChainMetadata(compiledContract);
compiler->compileContract(_contract, _compiledContracts, dev::swarmHash(onChainMetadata));
bytes cborEncodedMetadata =
// CBOR-encoding of {"bzzr0": dev::swarmHash(onChainMetadata)}
bytes{0xa1, 0x65, 'b', 'z', 'z', 'r', '0', 0x58, 0x20} +
dev::swarmHash(onChainMetadata).asBytes();
solAssert(cborEncodedMetadata.size() <= 0xffff, "Metadata too large");
// 16-bit big endian length
cborEncodedMetadata += toCompactBigEndian(cborEncodedMetadata.size(), 2);
compiler->compileContract(_contract, _compiledContracts, cborEncodedMetadata);
compiledContract.compiler = compiler;
compiledContract.object = compiler->assembledObject();
compiledContract.runtimeObject = compiler->runtimeObject();