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snt-gas-relay
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use hashed keys + dont require issuer to be claim signer

This commit is contained in:
Ricardo Guilherme Schmidt 2018-04-23 08:04:03 -03:00
parent 1c375daeb0
commit 8bf51bc488
1 changed files with 24 additions and 24 deletions
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40
contracts/identity/Identity.sol
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@ -17,7 +17,7 @@ contract Identity is ERC725, ERC735 {
uint256 nonce;
address recoveryContract;
address recoveryManager;
bytes32 recoveryManager;
struct Transaction {
bool valid;
@ -31,7 +31,7 @@ contract Identity is ERC725, ERC735 {
modifier managerOnly {
require(
isKeyPurpose(bytes32(msg.sender), MANAGEMENT_KEY)
isKeyPurpose(keccak256(msg.sender), MANAGEMENT_KEY)
);
_;
}
@ -40,7 +40,7 @@ contract Identity is ERC725, ERC735 {
if(msg.sender == address(this)) {
_;
} else {
require(isKeyPurpose(bytes32(msg.sender), MANAGEMENT_KEY));
require(isKeyPurpose(keccak256(msg.sender), MANAGEMENT_KEY));
if (purposeThreshold[MANAGEMENT_KEY] == 1) {
_;
} else {
@ -51,7 +51,7 @@ contract Identity is ERC725, ERC735 {
modifier recoveryOnly {
require(
recoveryContract != address(0) &&
msg.sender == address(recoveryContract)
msg.sender == recoveryContract
);
_;
}
@ -78,19 +78,21 @@ contract Identity is ERC725, ERC735 {
)
{
require(
address(_key) == ecrecover(
_key == keccak256(
ecrecover(
keccak256("\x19Ethereum Signed Message:\n32", _signHash),
_v,
_r,
_s
)
)
);
require(keys[_key].purpose != 0);
_;
}
function Identity() public {
_constructIdentity(msg.sender);
constructor() public {
_constructIdentity(keccak256(msg.sender));
}
function ()
@ -100,21 +102,21 @@ contract Identity is ERC725, ERC735 {
}
function managerReset(address _newKey)
function managerReset(bytes32 _newKey)
public
recoveryOnly
{
recoveryManager = _newKey;
_addKey(bytes32(recoveryManager), MANAGEMENT_KEY, 0);
_addKey(keccak256(recoveryManager), MANAGEMENT_KEY, 0);
purposeThreshold[MANAGEMENT_KEY] = keysByPurpose[MANAGEMENT_KEY].length;
}
function processManagerReset(uint256 _limit)
public
{
require(recoveryManager != address(0));
require(recoveryManager != 0);
uint256 limit = _limit;
bytes32 newKey = bytes32(recoveryManager);
bytes32 newKey = recoveryManager;
bytes32[] memory managers = keysByPurpose[MANAGEMENT_KEY];
uint256 totalManagers = managers.length;
@ -132,7 +134,7 @@ contract Identity is ERC725, ERC735 {
}
if (totalManagers == 1) {
recoveryManager = address(0);
delete recoveryManager;
}
}
@ -188,7 +190,7 @@ contract Identity is ERC725, ERC735 {
if (purposeThreshold[requiredKey] == 1) {
executionId = nonce; //(?) useless in this case
nonce++; //(?) should increment
require(isKeyPurpose(bytes32(msg.sender), requiredKey));
require(isKeyPurpose(keccak256(msg.sender), requiredKey));
_to.call.value(_value)(_data); //(?) success not used
emit Executed(executionId, _to, _value, _data); //no information on success
} else {
@ -200,10 +202,9 @@ contract Identity is ERC725, ERC735 {
function approve(uint256 _id, bool _approval)
public
managerOrActor(bytes32(msg.sender))
returns (bool success)
{
return _approve(bytes32(msg.sender), _id, _approval);
return _approve(keccak256(msg.sender), _id, _approval);
}
function setMinimumApprovalsByKeyType(
@ -238,8 +239,7 @@ contract Identity is ERC725, ERC735 {
_includeClaim(claimHash, _claimType, _scheme, _issuer, _signature, _data, _uri);
}
} else {
require(_issuer == msg.sender);
require(isKeyPurpose(bytes32(msg.sender), CLAIM_SIGNER_KEY));
require(isKeyPurpose(keccak256(msg.sender), CLAIM_SIGNER_KEY));
_execute(address(this), 0, msg.data);
emit ClaimRequested(
claimHash,
@ -434,13 +434,13 @@ contract Identity is ERC725, ERC735 {
recoveryContract = _recoveryContract;
}
function _constructIdentity(address _manager)
function _constructIdentity(bytes32 _managerKey)
internal
{
require(keysByPurpose[MANAGEMENT_KEY].length == 0);
require(purposeThreshold[MANAGEMENT_KEY] == 0);
_addKey(bytes32(_manager), MANAGEMENT_KEY, 0);
_addKey(bytes32(_manager), ACTION_KEY, 0);
_addKey(_managerKey, MANAGEMENT_KEY, 0);
_addKey(_managerKey, ACTION_KEY, 0);
purposeThreshold[MANAGEMENT_KEY] = 1;
purposeThreshold[ACTION_KEY] = 1;