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Adds support for the EVM version "Paris".

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Deprecates `block.difficulty` and disallow `difficulty()` in inline assembly for EVM versions >= paris.
The change is due to the renaming introduced by EIP-4399 (see: https://eips.ethereum.org/EIPS/eip-4399).
Introduces `block.prevrandao` in Solidity and `prevrandao()` in inline assembly for EVM versions >= paris.

Co-authored-by: Alex Beregszaszi <alex@rtfs.hu>
Co-authored-by: Daniel <daniel@ekpyron.org>
Co-authored-by: matheusaaguiar <95899911+matheusaaguiar@users.noreply.github.com>
Co-authored-by: Nikola Matić <nikola.matic@ethereum.org>
This commit is contained in:
Rodrigo Q. Saramago
2023-01-23 18:50:36 +00:00
co-authored by Alex Beregszaszi Daniel matheusaaguiar Nikola Matić
parent d70d79af4a
commit ef6ff2f055
114 changed files with 842 additions and 221 deletions
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libsolidity/codegen/ir/IRGeneratorForStatements.cpp
+7 -2
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@@ -1822,8 +1822,13 @@ void IRGeneratorForStatements::endVisit(MemberAccess const& _memberAccess)
define(_memberAccess) << "coinbase()\n";
else if (member == "timestamp")
define(_memberAccess) << "timestamp()\n";
else if (member == "difficulty")
define(_memberAccess) << "difficulty()\n";
else if (member == "difficulty" || member == "prevrandao")
{
if (m_context.evmVersion().hasPrevRandao())
define(_memberAccess) << "prevrandao()\n";
else
define(_memberAccess) << "difficulty()\n";
}
else if (member == "number")
define(_memberAccess) << "number()\n";
else if (member == "gaslimit")