more unnecessary contracts gotten rid of, and fixes made to Embarkjs file
Signed-off-by: VoR0220 <catalanor0220@gmail.com>
This commit is contained in:
VoR0220
Pascal Precht
parent
ac6c741a15
commit
592e4db762
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@ -1,117 +0,0 @@
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pragma solidity ^0.4.10;
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import "./ENS.sol";
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contract Resolver {
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function setName(bytes32 node, string name) public;
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}
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contract ReverseRegistrar {
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// namehash('addr.reverse')
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bytes32 constant ADDR_REVERSE_NODE = 0x91d1777781884d03a6757a803996e38de2a42967fb37eeaca72729271025a9e2;
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ENS public ens;
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Resolver public defaultResolver;
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/**
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* @dev Constructor
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* @param ensAddr The address of the ENS registry.
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* @param resolverAddr The address of the default reverse resolver.
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*/
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function ReverseRegistrar(ENS ensAddr, Resolver resolverAddr) public {
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ens = ensAddr;
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defaultResolver = resolverAddr;
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// Assign ownership of the reverse record to our deployer
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ReverseRegistrar oldRegistrar = ReverseRegistrar(ens.owner(ADDR_REVERSE_NODE));
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if (address(oldRegistrar) != 0) {
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oldRegistrar.claim(msg.sender);
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}
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}
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/**
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* @dev Transfers ownership of the reverse ENS record associated with the
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* calling account.
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* @param owner The address to set as the owner of the reverse record in ENS.
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* @return The ENS node hash of the reverse record.
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*/
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function claim(address owner) public returns (bytes32) {
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return claimWithResolver(owner, 0);
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}
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/**
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* @dev Transfers ownership of the reverse ENS record associated with the
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* calling account.
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* @param owner The address to set as the owner of the reverse record in ENS.
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* @param resolver The address of the resolver to set; 0 to leave unchanged.
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* @return The ENS node hash of the reverse record.
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*/
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function claimWithResolver(address owner, address resolver) public returns (bytes32) {
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var label = sha3HexAddress(msg.sender);
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bytes32 node = keccak256(ADDR_REVERSE_NODE, label);
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var currentOwner = ens.owner(node);
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// Update the resolver if required
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if (resolver != 0 && resolver != ens.resolver(node)) {
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// Transfer the name to us first if it's not already
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if (currentOwner != address(this)) {
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ens.setSubnodeOwner(ADDR_REVERSE_NODE, label, this);
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currentOwner = address(this);
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}
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ens.setResolver(node, resolver);
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}
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// Update the owner if required
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if (currentOwner != owner) {
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ens.setSubnodeOwner(ADDR_REVERSE_NODE, label, owner);
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}
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return node;
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}
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/**
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* @dev Sets the `name()` record for the reverse ENS record associated with
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* the calling account. First updates the resolver to the default reverse
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* resolver if necessary.
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* @param name The name to set for this address.
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* @return The ENS node hash of the reverse record.
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*/
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function setName(string name) public returns (bytes32) {
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bytes32 node = claimWithResolver(this, defaultResolver);
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defaultResolver.setName(node, name);
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return node;
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}
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/**
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* @dev Returns the node hash for a given account's reverse records.
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* @param addr The address to hash
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* @return The ENS node hash.
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*/
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function node(address addr) public view returns (bytes32) {
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return keccak256(ADDR_REVERSE_NODE, sha3HexAddress(addr));
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}
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/**
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* @dev An optimised function to compute the sha3 of the lower-case
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* hexadecimal representation of an Ethereum address.
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* @param addr The address to hash
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* @return The SHA3 hash of the lower-case hexadecimal encoding of the
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* input address.
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*/
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function sha3HexAddress(address addr) private returns (bytes32 ret) {
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addr; ret; // Stop warning us about unused variables
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assembly {
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let lookup := 0x3031323334353637383961626364656600000000000000000000000000000000
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let i := 40
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loop:
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i := sub(i, 1)
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mstore8(i, byte(and(addr, 0xf), lookup))
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addr := div(addr, 0x10)
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i := sub(i, 1)
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mstore8(i, byte(and(addr, 0xf), lookup))
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addr := div(addr, 0x10)
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jumpi(loop, i)
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ret := keccak256(0, 40)
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}
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}
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}
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