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llvm-context: disable call re-entrancy for send and transfer (#196)

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This commit is contained in:
xermicus
2025-02-06 16:49:50 +01:00
committed by GitHub
parent 10b8ff989c
commit 60fc09f787
8 changed files with 354 additions and 35 deletions
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crates/integration/contracts/Balance.sol
+81
View File
@@ -0,0 +1,81 @@
// SPDX-License-Identifier: MIT
pragma solidity ^0.8;
/* runner.json
{
"differential": true,
"actions": [
{
"Upload": {
"code": {
"Solidity": {
"contract": "BalanceReceiver"
}
}
}
},
{
"Instantiate": {
"code": {
"Solidity": {
"contract": "Balance"
}
},
"value": 24
}
},
{
"Call": {
"dest": {
"Instantiated": 0
},
"data": "1c8d16b30000000000000000000000000303030303030303030303030303030303030303000000000000000000000000000000000000000000000000000000000000000a"
}
},
{
"Call": {
"dest": {
"Instantiated": 0
},
"data": "6ada15d90000000000000000000000000303030303030303030303030303030303030303000000000000000000000000000000000000000000000000000000000000000a"
}
}
]
}
*/
contract BalanceReceiver {
constructor() payable {}
fallback() external payable {}
}
contract Balance {
constructor() payable {
// 0 to EOA
transfer_to(payable(address(0xdeadbeef)), 0);
send_to(payable(address(0xdeadbeef)), 0);
// 1 to EOA
transfer_to(payable(address(0xcafebabe)), 1);
send_to(payable(address(0xcafebabe)), 1);
BalanceReceiver balanceReceiver = new BalanceReceiver();
// 0 to contract
transfer_to(payable(address(balanceReceiver)), 0);
send_to(payable(address(balanceReceiver)), 0);
// 1 to contract
transfer_to(payable(address(balanceReceiver)), 1);
send_to(payable(address(balanceReceiver)), 1);
}
function transfer_to(address payable _dest, uint _amount) public payable {
_dest.transfer(_amount);
}
function send_to(address payable _dest, uint _amount) public payable {
require(_dest.send(_amount));
}
}
crates/integration/contracts/Send.sol
+75
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@@ -0,0 +1,75 @@
// SPDX-License-Identifier: MIT
pragma solidity ^0.8;
/* runner.json
{
"differential": false,
"actions": [
{
"Instantiate": {
"code": {
"Solidity": {
"contract": "Send"
}
},
"value": 211
}
},
{
"Call": {
"dest": {
"Instantiated": 0
},
"data": "1c8d16b30000000000000000000000000303030303030303030303030303030303030303000000000000000000000000000000000000000000000000000000000000000a"
}
},
{
"VerifyCall": {
"success": true
}
},
{
"Call": {
"dest": {
"Instantiated": 0
},
"data": "fb9e8d050000000000000000000000000000000000000000000000000000000000000001"
}
},
{
"VerifyCall": {
"success": false
}
},
{
"Call": {
"dest": {
"Instantiated": 0
},
"data": "fb9e8d050000000000000000000000000000000000000000000000000000000000000000"
}
},
{
"VerifyCall": {
"success": false
}
}
]
}
*/
contract Send {
constructor() payable {}
function transfer_self(uint _amount) public payable {
transfer_to(payable(address(this)), _amount);
}
function transfer_to(address payable _dest, uint _amount) public payable {
if (_dest.send(_amount)) {}
}
fallback() external {}
receive() external payable {}
}
crates/integration/contracts/Transfer.sol
+32 -11
View File
@@ -3,7 +3,7 @@ pragma solidity ^0.8;
/* runner.json
{
"differential": true,
"differential": false,
"actions": [
{
"Instantiate": {
@@ -12,7 +12,7 @@ pragma solidity ^0.8;
"contract": "Transfer"
}
},
"value": 11
"value": 211
}
},
{
@@ -23,12 +23,35 @@ pragma solidity ^0.8;
"data": "1c8d16b30000000000000000000000000303030303030303030303030303030303030303000000000000000000000000000000000000000000000000000000000000000a"
}
},
{
"VerifyCall": {
"success": true
}
},
{
"Call": {
"dest": {
"Instantiated": 0
},
"data": "fb9e8d0500000000000000000000000003030303030303030303030303030303030303030000000000000000000000000000000000000000000000000000000000000001"
"data": "fb9e8d050000000000000000000000000000000000000000000000000000000000000001"
}
},
{
"VerifyCall": {
"success": false
}
},
{
"Call": {
"dest": {
"Instantiated": 0
},
"data": "fb9e8d050000000000000000000000000000000000000000000000000000000000000000"
}
},
{
"VerifyCall": {
"success": false
}
}
]
@@ -36,19 +59,17 @@ pragma solidity ^0.8;
*/
contract Transfer {
constructor() payable {
transfer_self(msg.value);
}
function address_self() internal view returns (address payable) {
return payable(address(this));
}
constructor() payable {}
function transfer_self(uint _amount) public payable {
transfer_to(address_self(), _amount);
transfer_to(payable(address(this)), _amount);
}
function transfer_to(address payable _dest, uint _amount) public payable {
_dest.transfer(_amount);
}
fallback() external {}
receive() external payable {}
}