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core/forkid: implement the forkid EIP, announce via ENR (#19738)

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* eth: chain config (genesis + fork) ENR entry

* core/forkid, eth: protocol independent fork ID, update to CRC32 spec

* core/forkid, eth: make forkid a struct, next uint64, enr struct, RLP

* core/forkid: change forkhash rlp encoding from int to [4]byte

* eth: fixup eth entry a bit and update it every block

* eth: fix lint

* eth: fix crash in ethclient tests
This commit is contained in:
Péter Szilágyi
2019-07-08 18:53:47 +03:00
committed by GitHub
parent cc0f0e27a6
commit 983f92368b
11 changed files with 571 additions and 96 deletions
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12
eth/protocol.go
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@ -34,16 +34,16 @@ const (
eth63 = 63
)
// ProtocolName is the official short name of the protocol used during capability negotiation.
var ProtocolName = "eth"
// protocolName is the official short name of the protocol used during capability negotiation.
const protocolName = "eth"
// ProtocolVersions are the supported versions of the eth protocol (first is primary).
var ProtocolVersions = []uint{eth63, eth62}
var ProtocolVersions = []uint{eth63}
// ProtocolLengths are the number of implemented message corresponding to different protocol versions.
var ProtocolLengths = []uint64{17, 8}
// protocolLengths are the number of implemented message corresponding to different protocol versions.
var protocolLengths = map[uint]uint64{eth63: 17, eth62: 8}
const ProtocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message
const protocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message
// eth protocol message codes
const (