62 lines
2.1 KiB
Go
62 lines
2.1 KiB
Go
// Copyright 2019 The Waku Library Authors.
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//
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// The Waku 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 Waku library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty off
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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 Waku library. If not, see <http://www.gnu.org/licenses/>.
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//
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// This software uses the go-ethereum library, which is licensed
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// under the GNU Lesser General Public Library, version 3 or any later.
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package common
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import (
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"time"
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"github.com/ethereum/go-ethereum/crypto"
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)
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// Waku protocol parameters
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const (
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SizeMask = byte(3) // mask used to extract the size of payload size field from the flags
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signatureFlag = byte(4)
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TopicLength = 4 // in bytes
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signatureLength = crypto.SignatureLength // in bytes
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AESKeyLength = 32 // in bytes
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aesNonceLength = 12 // in bytes; for more info please see cipher.gcmStandardNonceSize & aesgcm.NonceSize()
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KeyIDSize = 32 // in bytes
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BloomFilterSize = 64 // in bytes
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MaxTopicInterest = 10000
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flagsLength = 1
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EnvelopeHeaderLength = 20
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MaxMessageSize = uint32(10 * 1024 * 1024) // maximum accepted size of a message.
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DefaultMaxMessageSize = uint32(1024 * 1024)
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DefaultMinimumPoW = 0.2
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padSizeLimit = 256 // just an arbitrary number, could be changed without breaking the protocol
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ExpirationCycle = time.Second
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TransmissionCycle = 300 * time.Millisecond
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DefaultTTL = 50 // seconds
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DefaultSyncAllowance = 10 // seconds
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MaxLimitInSyncMailRequest = 1000
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EnvelopeTimeNotSynced uint = iota + 1
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EnvelopeOtherError
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MaxLimitInMessagesRequest = 1000
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)
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