swarm, cmd/swarm: Merge branch 'master' into multiple-ens-endpoints

1 files changed, 94 insertions, 0 deletions

diff --git a/contracts/ens/contract/ENS.sol b/contracts/ens/contract/ENS.sol
new file mode 100644
index 000000000..47050c19d
--- /dev/null
+++ b/contracts/ens/contract/ENS.sol
@@ -0,0 +1,94 @@
+pragma solidity ^0.4.0;
+
+import './AbstractENS.sol';
+
+/**
+ * The ENS registry contract.
+ */
+contract ENS is AbstractENS {
+    struct Record {
+        address owner;
+        address resolver;
+        uint64 ttl;
+    }
+
+    mapping(bytes32=>Record) records;
+
+    // Permits modifications only by the owner of the specified node.
+    modifier only_owner(bytes32 node) {
+        if (records[node].owner != msg.sender) throw;
+        _;
+    }
+
+    /**
+     * Constructs a new ENS registrar.
+     */
+    function ENS() {
+        records[0].owner = msg.sender;
+    }
+
+    /**
+     * Returns the address that owns the specified node.
+     */
+    function owner(bytes32 node) constant returns (address) {
+        return records[node].owner;
+    }
+
+    /**
+     * Returns the address of the resolver for the specified node.
+     */
+    function resolver(bytes32 node) constant returns (address) {
+        return records[node].resolver;
+    }
+
+    /**
+     * Returns the TTL of a node, and any records associated with it.
+     */
+    function ttl(bytes32 node) constant returns (uint64) {
+        return records[node].ttl;
+    }
+
+    /**
+     * Transfers ownership of a node to a new address. May only be called by the current
+     * owner of the node.
+     * @param node The node to transfer ownership of.
+     * @param owner The address of the new owner.
+     */
+    function setOwner(bytes32 node, address owner) only_owner(node) {
+        Transfer(node, owner);
+        records[node].owner = owner;
+    }
+
+    /**
+     * Transfers ownership of a subnode sha3(node, label) to a new address. May only be
+     * called by the owner of the parent node.
+     * @param node The parent node.
+     * @param label The hash of the label specifying the subnode.
+     * @param owner The address of the new owner.
+     */
+    function setSubnodeOwner(bytes32 node, bytes32 label, address owner) only_owner(node) {
+        var subnode = sha3(node, label);
+        NewOwner(node, label, owner);
+        records[subnode].owner = owner;
+    }
+
+    /**
+     * Sets the resolver address for the specified node.
+     * @param node The node to update.
+     * @param resolver The address of the resolver.
+     */
+    function setResolver(bytes32 node, address resolver) only_owner(node) {
+        NewResolver(node, resolver);
+        records[node].resolver = resolver;
+    }
+
+    /**
+     * Sets the TTL for the specified node.
+     * @param node The node to update.
+     * @param ttl The TTL in seconds.
+     */
+    function setTTL(bytes32 node, uint64 ttl) only_owner(node) {
+        NewTTL(node, ttl);
+        records[node].ttl = ttl;
+    }
+}