mirror of
https://github.com/pezkuwichain/revive.git
synced 2026-04-25 10:37:57 +00:00
xermicus
@@ -0,0 +1,324 @@
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//! The `deployer_call` function.
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use inkwell::types::BasicType;
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use crate::polkavm::context::address_space::AddressSpace;
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use crate::polkavm::context::function::Function;
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use crate::polkavm::context::pointer::Pointer;
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use crate::polkavm::context::Context;
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use crate::polkavm::Dependency;
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use crate::polkavm::WriteLLVM;
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/// The `deployer_call` function.
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/// Calls the deployer system contract, which returns the newly deployed contract address or 0.
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/// The address is returned in the first 32-byte word of the return data. If it is 0, the 0 is
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/// returned. If the entire call has failed, there is also a 0 returned.
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#[derive(Debug)]
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pub struct DeployerCall {
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/// The address space where the calldata is allocated.
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/// Solidity uses the ordinary heap. Vyper uses the auxiliary heap.
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address_space: AddressSpace,
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}
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impl DeployerCall {
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/// The default function name.
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pub const FUNCTION_NAME: &'static str = "__deployer_call";
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/// The value argument index.
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pub const ARGUMENT_INDEX_VALUE: usize = 0;
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/// The input offset argument index.
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pub const ARGUMENT_INDEX_INPUT_OFFSET: usize = 1;
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/// The input length argument index.
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pub const ARGUMENT_INDEX_INPUT_LENGTH: usize = 2;
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/// The signature hash argument index.
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pub const ARGUMENT_INDEX_SIGNATURE_HASH: usize = 3;
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/// The salt argument index.
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pub const ARGUMENT_INDEX_SALT: usize = 4;
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/// A shortcut constructor.
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pub fn new(address_space: AddressSpace) -> Self {
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Self { address_space }
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}
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}
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impl<D> WriteLLVM<D> for DeployerCall
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where
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D: Dependency + Clone,
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{
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fn declare(&mut self, context: &mut Context<D>) -> anyhow::Result<()> {
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let function_type = context.function_type(
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vec![
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context.field_type().as_basic_type_enum(),
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context.field_type().as_basic_type_enum(),
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context.field_type().as_basic_type_enum(),
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context.field_type().as_basic_type_enum(),
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context.field_type().as_basic_type_enum(),
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],
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1,
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false,
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);
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let function = context.add_function(
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Self::FUNCTION_NAME,
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function_type,
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1,
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Some(inkwell::module::Linkage::External),
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)?;
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Function::set_frontend_runtime_attributes(
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context.llvm,
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function.borrow().declaration(),
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&context.optimizer,
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);
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Ok(())
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}
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fn into_llvm(self, context: &mut Context<D>) -> anyhow::Result<()> {
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context.set_current_function(Self::FUNCTION_NAME)?;
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let value = context
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.current_function()
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.borrow()
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.get_nth_param(Self::ARGUMENT_INDEX_VALUE)
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.into_int_value();
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let input_offset = context
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.current_function()
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.borrow()
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.get_nth_param(Self::ARGUMENT_INDEX_INPUT_OFFSET)
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.into_int_value();
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let input_length = context
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.current_function()
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.borrow()
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.get_nth_param(Self::ARGUMENT_INDEX_INPUT_LENGTH)
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.into_int_value();
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let signature_hash = context
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.current_function()
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.borrow()
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.get_nth_param(Self::ARGUMENT_INDEX_SIGNATURE_HASH)
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.into_int_value();
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let salt = context
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.current_function()
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.borrow()
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.get_nth_param(Self::ARGUMENT_INDEX_SALT)
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.into_int_value();
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let error_block = context.append_basic_block("deployer_call_error_block");
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let success_block = context.append_basic_block("deployer_call_success_block");
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let value_zero_block = context.append_basic_block("deployer_call_value_zero_block");
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let value_non_zero_block = context.append_basic_block("deployer_call_value_non_zero_block");
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let value_join_block = context.append_basic_block("deployer_call_value_join_block");
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context.set_basic_block(context.current_function().borrow().entry_block());
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let _abi_data = crate::polkavm::utils::abi_data(
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context,
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input_offset,
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input_length,
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None,
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self.address_space,
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true,
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)?;
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let signature_pointer = Pointer::new_with_offset(
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context,
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self.address_space,
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context.field_type(),
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input_offset,
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"deployer_call_signature_pointer",
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);
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context.build_store(signature_pointer, signature_hash)?;
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let salt_offset = context.builder().build_int_add(
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input_offset,
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context.field_const(revive_common::BYTE_LENGTH_X32 as u64),
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"deployer_call_salt_offset",
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)?;
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let salt_pointer = Pointer::new_with_offset(
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context,
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self.address_space,
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context.field_type(),
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salt_offset,
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"deployer_call_salt_pointer",
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);
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context.build_store(salt_pointer, salt)?;
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let arguments_offset_offset = context.builder().build_int_add(
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salt_offset,
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context.field_const((revive_common::BYTE_LENGTH_FIELD * 2) as u64),
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"deployer_call_arguments_offset_offset",
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)?;
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let arguments_offset_pointer = Pointer::new_with_offset(
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context,
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self.address_space,
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context.field_type(),
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arguments_offset_offset,
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"deployer_call_arguments_offset_pointer",
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);
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context.build_store(
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arguments_offset_pointer,
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context.field_const(
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(crate::polkavm::DEPLOYER_CALL_HEADER_SIZE
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- (revive_common::BYTE_LENGTH_X32 + revive_common::BYTE_LENGTH_FIELD))
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as u64,
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),
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)?;
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let arguments_length_offset = context.builder().build_int_add(
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arguments_offset_offset,
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context.field_const(revive_common::BYTE_LENGTH_FIELD as u64),
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"deployer_call_arguments_length_offset",
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)?;
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let arguments_length_pointer = Pointer::new_with_offset(
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context,
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self.address_space,
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context.field_type(),
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arguments_length_offset,
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"deployer_call_arguments_length_pointer",
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);
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let arguments_length_value = context.builder().build_int_sub(
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input_length,
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context.field_const(crate::polkavm::DEPLOYER_CALL_HEADER_SIZE as u64),
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"deployer_call_arguments_length",
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)?;
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context.build_store(arguments_length_pointer, arguments_length_value)?;
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let result_pointer =
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context.build_alloca(context.field_type(), "deployer_call_result_pointer");
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context.build_store(result_pointer, context.field_const(0))?;
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let deployer_call_result_type = context.structure_type(&[
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context
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.llvm()
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.ptr_type(AddressSpace::Generic.into())
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.as_basic_type_enum(),
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context.bool_type().as_basic_type_enum(),
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]);
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let deployer_call_result_pointer =
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context.build_alloca(deployer_call_result_type, "deployer_call_result_pointer");
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context.build_store(
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deployer_call_result_pointer,
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deployer_call_result_type.const_zero(),
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)?;
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let is_value_zero = context.builder().build_int_compare(
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inkwell::IntPredicate::EQ,
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value,
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context.field_const(0),
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"deployer_call_is_value_zero",
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)?;
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context.build_conditional_branch(is_value_zero, value_zero_block, value_non_zero_block)?;
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context.set_basic_block(value_zero_block);
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//let deployer_call_result = context
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// .build_call(
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// context.llvm_runtime().far_call,
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// crate::polkavm::utils::external_call_arguments(
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// context,
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// abi_data,
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// context.field_const(zkevm_opcode_defs::ADDRESS_CONTRACT_DEPLOYER.into()),
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// vec![],
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// None,
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// )
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// .as_slice(),
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// "deployer_call_ordinary",
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// )
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// .expect("Always returns a value");
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//context.build_store(deployer_call_result_pointer, deployer_call_result)?;
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context.build_unconditional_branch(value_join_block);
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context.set_basic_block(value_non_zero_block);
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//let deployer_call_result = context
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// .build_call(
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// context.llvm_runtime().far_call,
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// crate::polkavm::utils::external_call_arguments(
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// context,
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// abi_data.as_basic_value_enum(),
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// context.field_const(zkevm_opcode_defs::ADDRESS_MSG_VALUE.into()),
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// vec![
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// value,
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// context.field_const(zkevm_opcode_defs::ADDRESS_CONTRACT_DEPLOYER.into()),
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// context.field_const(u64::from(crate::polkavm::r#const::SYSTEM_CALL_BIT)),
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// ],
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// None,
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// )
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// .as_slice(),
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// "deployer_call_system",
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// )
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// .expect("Always returns a value");
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//context.build_store(deployer_call_result_pointer, deployer_call_result)?;
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context.build_unconditional_branch(value_join_block);
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context.set_basic_block(value_join_block);
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let result_abi_data_pointer = context.build_gep(
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deployer_call_result_pointer,
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&[
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context.field_const(0),
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context
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.integer_type(revive_common::BIT_LENGTH_X32)
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.const_zero(),
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],
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context
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.llvm()
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.ptr_type(AddressSpace::Generic.into())
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.as_basic_type_enum(),
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"deployer_call_result_abi_data_pointer",
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);
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let result_abi_data =
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context.build_load(result_abi_data_pointer, "deployer_call_result_abi_data")?;
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let result_status_code_pointer = context.build_gep(
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deployer_call_result_pointer,
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&[
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context.field_const(0),
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context
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.integer_type(revive_common::BIT_LENGTH_X32)
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.const_int(1, false),
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],
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context.bool_type().as_basic_type_enum(),
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"contract_call_external_result_status_code_pointer",
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);
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let result_status_code_boolean = context
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.build_load(
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result_status_code_pointer,
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"contract_call_external_result_status_code_boolean",
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)?
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.into_int_value();
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context.build_conditional_branch(result_status_code_boolean, success_block, error_block)?;
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context.set_basic_block(success_block);
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let result_abi_data_pointer = Pointer::new(
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context.field_type(),
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AddressSpace::Generic,
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result_abi_data.into_pointer_value(),
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);
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let address_or_status_code = context.build_load(
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result_abi_data_pointer,
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"deployer_call_address_or_status_code",
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)?;
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context.build_store(result_pointer, address_or_status_code)?;
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context.build_unconditional_branch(context.current_function().borrow().return_block());
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context.set_basic_block(error_block);
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let result_abi_data_pointer = Pointer::new(
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context.byte_type(),
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AddressSpace::Generic,
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result_abi_data.into_pointer_value(),
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);
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context.write_abi_pointer(
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result_abi_data_pointer,
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crate::polkavm::GLOBAL_RETURN_DATA_POINTER,
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);
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context.write_abi_data_size(
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result_abi_data_pointer,
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crate::polkavm::GLOBAL_RETURN_DATA_SIZE,
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);
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context.build_unconditional_branch(context.current_function().borrow().return_block());
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context.set_basic_block(context.current_function().borrow().return_block());
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let result = context.build_load(result_pointer, "deployer_call_result")?;
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context.build_return(Some(&result));
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Ok(())
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}
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}
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