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