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contracts/ens: update public resolver solidity code

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This commit is contained in:
Elad Nachmias 2019-02-18 22:52:56 +07:00
parent 2a0e1bb32b
commit f2aab02fcf
1 changed files with 114 additions and 114 deletions
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228
contracts/ens/contract/PublicResolver.sol
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@ -1,26 +1,27 @@
pragma solidity ^0.4.0;
pragma solidity >=0.4.25;
import './AbstractENS.sol';
import "@ensdomains/ens/contracts/ENS.sol";
/**
* A simple resolver anyone can use; only allows the owner of a node to set its
* address.
*/
contract PublicResolver {
bytes4 constant INTERFACE_META_ID = 0x01ffc9a7;
bytes4 constant ADDR_INTERFACE_ID = 0x3b3b57de;
bytes4 constant CONTENT_INTERFACE_ID = 0xd8389dc5;
bytes4 constant NAME_INTERFACE_ID = 0x691f3431;
bytes4 constant ABI_INTERFACE_ID = 0x2203ab56;
bytes4 constant PUBKEY_INTERFACE_ID = 0xc8690233;
bytes4 constant TEXT_INTERFACE_ID = 0x59d1d43c;
bytes4 constant CONTENTHASH_INTERFACE_ID = 0xbc1c58d1;
event AddrChanged(bytes32 indexed node, address a);
event ContentChanged(bytes32 indexed node, bytes32 hash);
event NameChanged(bytes32 indexed node, string name);
event ABIChanged(bytes32 indexed node, uint256 indexed contentType);
event PubkeyChanged(bytes32 indexed node, bytes32 x, bytes32 y);
event TextChanged(bytes32 indexed node, string indexed indexedKey, string key);
event TextChanged(bytes32 indexed node, string indexedKey, string key);
event ContenthashChanged(bytes32 indexed node, bytes hash);
struct PublicKey {
bytes32 x;
@ -29,18 +30,19 @@ contract PublicResolver {
struct Record {
address addr;
bytes32 content;
string name;
PublicKey pubkey;
mapping(string=>string) text;
mapping(uint256=>bytes) abis;
bytes contenthash;
}
AbstractENS ens;
mapping(bytes32=>Record) records;
ENS ens;
modifier only_owner(bytes32 node) {
if (ens.owner(node) != msg.sender) throw;
mapping (bytes32 => Record) records;
modifier onlyOwner(bytes32 node) {
require(ens.owner(node) == msg.sender);
_;
}
@ -48,77 +50,30 @@ contract PublicResolver {
* Constructor.
* @param ensAddr The ENS registrar contract.
*/
function PublicResolver(AbstractENS ensAddr) {
constructor(ENS ensAddr) public {
ens = ensAddr;
}
/**
* Returns true if the resolver implements the interface specified by the provided hash.
* @param interfaceID The ID of the interface to check for.
* @return True if the contract implements the requested interface.
*/
function supportsInterface(bytes4 interfaceID) constant returns (bool) {
return interfaceID == ADDR_INTERFACE_ID ||
interfaceID == CONTENT_INTERFACE_ID ||
interfaceID == NAME_INTERFACE_ID ||
interfaceID == ABI_INTERFACE_ID ||
interfaceID == PUBKEY_INTERFACE_ID ||
interfaceID == TEXT_INTERFACE_ID ||
interfaceID == INTERFACE_META_ID;
}
/**
* Returns the address associated with an ENS node.
* @param node The ENS node to query.
* @return The associated address.
*/
function addr(bytes32 node) constant returns (address ret) {
ret = records[node].addr;
}
/**
* Sets the address associated with an ENS node.
* May only be called by the owner of that node in the ENS registry.
* @param node The node to update.
* @param addr The address to set.
*/
function setAddr(bytes32 node, address addr) only_owner(node) {
function setAddr(bytes32 node, address addr) external onlyOwner(node) {
records[node].addr = addr;
AddrChanged(node, addr);
emit AddrChanged(node, addr);
}
/**
* Returns the content hash associated with an ENS node.
* Note that this resource type is not standardized, and will likely change
* in future to a resource type based on multihash.
* @param node The ENS node to query.
* @return The associated content hash.
*/
function content(bytes32 node) constant returns (bytes32 ret) {
ret = records[node].content;
}
/**
* Sets the content hash associated with an ENS node.
* Sets the contenthash associated with an ENS node.
* May only be called by the owner of that node in the ENS registry.
* Note that this resource type is not standardized, and will likely change
* in future to a resource type based on multihash.
* @param node The node to update.
* @param hash The content hash to set
* @param hash The contenthash to set
*/
function setContent(bytes32 node, bytes32 hash) only_owner(node) {
records[node].content = hash;
ContentChanged(node, hash);
}
/**
* Returns the name associated with an ENS node, for reverse records.
* Defined in EIP181.
* @param node The ENS node to query.
* @return The associated name.
*/
function name(bytes32 node) constant returns (string ret) {
ret = records[node].name;
function setContenthash(bytes32 node, bytes calldata hash) external onlyOwner(node) {
records[node].contenthash = hash;
emit ContenthashChanged(node, hash);
}
/**
@ -127,28 +82,9 @@ contract PublicResolver {
* @param node The node to update.
* @param name The name to set.
*/
function setName(bytes32 node, string name) only_owner(node) {
function setName(bytes32 node, string calldata name) external onlyOwner(node) {
records[node].name = name;
NameChanged(node, name);
}
/**
* Returns the ABI associated with an ENS node.
* Defined in EIP205.
* @param node The ENS node to query
* @param contentTypes A bitwise OR of the ABI formats accepted by the caller.
* @return contentType The content type of the return value
* @return data The ABI data
*/
function ABI(bytes32 node, uint256 contentTypes) constant returns (uint256 contentType, bytes data) {
var record = records[node];
for(contentType = 1; contentType <= contentTypes; contentType <<= 1) {
if ((contentType & contentTypes) != 0 && record.abis[contentType].length > 0) {
data = record.abis[contentType];
return;
}
}
contentType = 0;
emit NameChanged(node, name);
}
/**
@ -159,22 +95,12 @@ contract PublicResolver {
* @param contentType The content type of the ABI
* @param data The ABI data.
*/
function setABI(bytes32 node, uint256 contentType, bytes data) only_owner(node) {
function setABI(bytes32 node, uint256 contentType, bytes calldata data) external onlyOwner(node) {
// Content types must be powers of 2
if (((contentType - 1) & contentType) != 0) throw;
require(((contentType - 1) & contentType) == 0);
records[node].abis[contentType] = data;
ABIChanged(node, contentType);
}
/**
* Returns the SECP256k1 public key associated with an ENS node.
* Defined in EIP 619.
* @param node The ENS node to query
* @return x, y the X and Y coordinates of the curve point for the public key.
*/
function pubkey(bytes32 node) constant returns (bytes32 x, bytes32 y) {
return (records[node].pubkey.x, records[node].pubkey.y);
emit ABIChanged(node, contentType);
}
/**
@ -183,19 +109,9 @@ contract PublicResolver {
* @param x the X coordinate of the curve point for the public key.
* @param y the Y coordinate of the curve point for the public key.
*/
function setPubkey(bytes32 node, bytes32 x, bytes32 y) only_owner(node) {
function setPubkey(bytes32 node, bytes32 x, bytes32 y) external onlyOwner(node) {
records[node].pubkey = PublicKey(x, y);
PubkeyChanged(node, x, y);
}
/**
* Returns the text data associated with an ENS node and key.
* @param node The ENS node to query.
* @param key The text data key to query.
* @return The associated text data.
*/
function text(bytes32 node, string key) constant returns (string ret) {
ret = records[node].text[key];
emit PubkeyChanged(node, x, y);
}
/**
@ -205,8 +121,92 @@ contract PublicResolver {
* @param key The key to set.
* @param value The text data value to set.
*/
function setText(bytes32 node, string key, string value) only_owner(node) {
function setText(bytes32 node, string calldata key, string calldata value) external onlyOwner(node) {
records[node].text[key] = value;
TextChanged(node, key, key);
emit TextChanged(node, key, key);
}
}
/**
* Returns the text data associated with an ENS node and key.
* @param node The ENS node to query.
* @param key The text data key to query.
* @return The associated text data.
*/
function text(bytes32 node, string calldata key) external view returns (string memory) {
return records[node].text[key];
}
/**
* Returns the SECP256k1 public key associated with an ENS node.
* Defined in EIP 619.
* @param node The ENS node to query
* @return x, y the X and Y coordinates of the curve point for the public key.
*/
function pubkey(bytes32 node) external view returns (bytes32 x, bytes32 y) {
return (records[node].pubkey.x, records[node].pubkey.y);
}
/**
* Returns the ABI associated with an ENS node.
* Defined in EIP205.
* @param node The ENS node to query
* @param contentTypes A bitwise OR of the ABI formats accepted by the caller.
* @return contentType The content type of the return value
* @return data The ABI data
*/
function ABI(bytes32 node, uint256 contentTypes) external view returns (uint256, bytes memory) {
Record storage record = records[node];
for (uint256 contentType = 1; contentType <= contentTypes; contentType <<= 1) {
if ((contentType & contentTypes) != 0 && record.abis[contentType].length > 0) {
return (contentType, record.abis[contentType]);
}
}
bytes memory empty;
return (0, empty);
}
/**
* Returns the name associated with an ENS node, for reverse records.
* Defined in EIP181.
* @param node The ENS node to query.
* @return The associated name.
*/
function name(bytes32 node) external view returns (string memory) {
return records[node].name;
}
/**
* Returns the address associated with an ENS node.
* @param node The ENS node to query.
* @return The associated address.
*/
function addr(bytes32 node) external view returns (address) {
return records[node].addr;
}
/**
* Returns the contenthash associated with an ENS node.
* @param node The ENS node to query.
* @return The associated contenthash.
*/
function contenthash(bytes32 node) external view returns (bytes memory) {
return records[node].contenthash;
}
/**
* Returns true if the resolver implements the interface specified by the provided hash.
* @param interfaceID The ID of the interface to check for.
* @return True if the contract implements the requested interface.
*/
function supportsInterface(bytes4 interfaceID) external pure returns (bool) {
return interfaceID == ADDR_INTERFACE_ID ||
interfaceID == NAME_INTERFACE_ID ||
interfaceID == ABI_INTERFACE_ID ||
interfaceID == PUBKEY_INTERFACE_ID ||
interfaceID == TEXT_INTERFACE_ID ||
interfaceID == CONTENTHASH_INTERFACE_ID ||
interfaceID == INTERFACE_META_ID;
}
}