forked from cerc-io/ipld-eth-server
64 lines
1.8 KiB
Go
64 lines
1.8 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 shared
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import (
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"bytes"
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"github.com/ethereum/go-ethereum/common"
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"github.com/vulcanize/vulcanizedb/pkg/ipfs"
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)
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// ListContainsString used to check if a list of strings contains a particular string
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func ListContainsString(sss []string, s string) bool {
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for _, str := range sss {
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if s == str {
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return true
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}
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}
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return false
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}
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// IPLDsContainBytes used to check if a list of strings contains a particular string
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func IPLDsContainBytes(iplds []ipfs.BlockModel, b []byte) bool {
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for _, ipld := range iplds {
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if bytes.Equal(ipld.Data, b) {
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return true
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}
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}
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return false
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}
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// ListContainsGap used to check if a list of Gaps contains a particular Gap
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func ListContainsGap(gapList []Gap, gap Gap) bool {
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for _, listGap := range gapList {
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if listGap == gap {
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return true
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}
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}
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return false
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}
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// HandleNullAddr converts a nil pointer to an address to a zero-valued hex address string
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func HandleNullAddr(to *common.Address) string {
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if to == nil {
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return "0x0000000000000000000000000000000000000000000000000000000000000000"
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}
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return to.Hex()
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}
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