ipld-eth-server/pkg/contract_watcher/shared/constants/interface.go

130 lines
4.5 KiB
Go

// VulcanizeDB
// Copyright © 2019 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package constants
import (
"github.com/ethereum/go-ethereum/common/hexutil"
)
// SupportsInterfaceABI is the basic abi needed to check which interfaces are adhered to
var SupportsInterfaceABI = `[{"constant":true,"inputs":[{"name":"interfaceID","type":"bytes4"}],"name":"supportsInterface","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"}]`
// Individual event interfaces for constructing ABI from
var AddrChangeInterface = `{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"a","type":"address"}],"name":"AddrChanged","type":"event"}`
var ContentChangeInterface = `{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"hash","type":"bytes32"}],"name":"ContentChanged","type":"event"}`
var NameChangeInterface = `{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"name","type":"string"}],"name":"NameChanged","type":"event"}`
var AbiChangeInterface = `{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":true,"name":"contentType","type":"uint256"}],"name":"ABIChanged","type":"event"}`
var PubkeyChangeInterface = `{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"x","type":"bytes32"},{"indexed":false,"name":"y","type":"bytes32"}],"name":"PubkeyChanged","type":"event"}`
var TextChangeInterface = `{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"indexedKey","type":"string"},{"indexed":false,"name":"key","type":"string"}],"name":"TextChanged","type":"event"}`
var MultihashChangeInterface = `{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"hash","type":"bytes"}],"name":"MultihashChanged","type":"event"}`
var ContenthashChangeInterface = `{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"hash","type":"bytes"}],"name":"ContenthashChanged","type":"event"}`
// Resolver interface signatures
type Interface int
// Interface enums
const (
MetaSig Interface = iota
AddrChangeSig
ContentChangeSig
NameChangeSig
AbiChangeSig
PubkeyChangeSig
TextChangeSig
MultihashChangeSig
ContentHashChangeSig
)
// Hex returns the hex signature for an interface
func (e Interface) Hex() string {
strings := [...]string{
"0x01ffc9a7",
"0x3b3b57de",
"0xd8389dc5",
"0x691f3431",
"0x2203ab56",
"0xc8690233",
"0x59d1d43c",
"0xe89401a1",
"0xbc1c58d1",
}
if e < MetaSig || e > ContentHashChangeSig {
return "Unknown"
}
return strings[e]
}
// Bytes returns the bytes signature for an interface
func (e Interface) Bytes() [4]uint8 {
if e < MetaSig || e > ContentHashChangeSig {
return [4]byte{}
}
str := e.Hex()
by, _ := hexutil.Decode(str)
var byArray [4]uint8
for i := 0; i < 4; i++ {
byArray[i] = by[i]
}
return byArray
}
// EventSig returns the event signature for an interface
func (e Interface) EventSig() string {
strings := [...]string{
"",
"AddrChanged(bytes32,address)",
"ContentChanged(bytes32,bytes32)",
"NameChanged(bytes32,string)",
"ABIChanged(bytes32,uint256)",
"PubkeyChanged(bytes32,bytes32,bytes32)",
"TextChanged(bytes32,string,string)",
"MultihashChanged(bytes32,bytes)",
"ContenthashChanged(bytes32,bytes)",
}
if e < MetaSig || e > ContentHashChangeSig {
return "Unknown"
}
return strings[e]
}
// MethodSig returns the method signature for an interface
func (e Interface) MethodSig() string {
strings := [...]string{
"supportsInterface(bytes4)",
"addr(bytes32)",
"content(bytes32)",
"name(bytes32)",
"ABI(bytes32,uint256)",
"pubkey(bytes32)",
"text(bytes32,string)",
"multihash(bytes32)",
"setContenthash(bytes32,bytes)",
}
if e < MetaSig || e > ContentHashChangeSig {
return "Unknown"
}
return strings[e]
}