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45 lines
1.4 KiB
Go
45 lines
1.4 KiB
Go
// Copyright 2018 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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//
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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package feed
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import "github.com/ethereum/go-ethereum/common/hexutil"
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type binarySerializer interface {
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binaryPut(serializedData []byte) error
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binaryLength() int
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binaryGet(serializedData []byte) error
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}
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// Values interface represents a string key-value store
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// useful for building query strings
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type Values interface {
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Get(key string) string
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Set(key, value string)
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}
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type valueSerializer interface {
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FromValues(values Values) error
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AppendValues(values Values)
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}
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// Hex serializes the structure and converts it to a hex string
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func Hex(bin binarySerializer) string {
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b := make([]byte, bin.binaryLength())
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bin.binaryPut(b)
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return hexutil.Encode(b)
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}
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