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Reporting mechanism implemented in part.

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Daniel A. Nagy 2015-05-07 18:32:04 +02:00
parent ee67ef68fe
commit 7c067a3482
1 changed files with 24 additions and 0 deletions
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24
bzz/bzzcontract/swarm.sol
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@ -12,6 +12,7 @@ contract Swarm
uint expiry; // expiration time of the deposit
bytes32 missing; // member accused of losing this swarm chunk
uint deadline; // block number before which chunk must be presented
address reporter; // receipt reported by this address
}
mapping (address => Bee) swarm;
@ -106,8 +107,31 @@ contract Swarm
Bee b = swarm[signer];
b.missing = swarmHash;
b.deadline = block.number + GRACE;
b.reporter = msg.sender;
Report(signer);
}
/// @notice Present a chunk in order to avoid losing deposit.
///
/// @param chunk chunk data
function presentMissingChunk(bytes chunk) external {
bytes32 swarmHash = sha3(chunk);
presentedChunks[swarmHash] = block.number;
}
/// @notice Determine guilty status of address `addr`.
/// No change in state.
///
/// @dev Definition of guilty is failing to present missing chunk within grace period.
///
/// @param addr queried address.
///
/// @return true, if status is "Guilty".
function isGuilty(address addr) returns (bool g){
if(isClean(addr)) return false;
Bee b = swarm[addr];
return b.deadline < block.number;
}
/// @notice Determine if the deposit for `addr` is unaccessible until `time`.
/// No change in state.