mirror of https://github.com/status-im/nim-eth.git
57 lines
1.5 KiB
Nim
57 lines
1.5 KiB
Nim
import
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std/[net, endians, hashes], nimcrypto, stint, chronicles,
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types, enr, eth/keys, ../enode
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type
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Node* = ref object
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node*: ENode
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id*: NodeId
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record*: Record
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proc toNodeId*(pk: PublicKey): NodeId =
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readUintBE[256](keccak256.digest(pk.getRaw()).data)
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proc newNode*(pk: PublicKey, address: Address): Node =
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result.new()
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result.node = initENode(pk, address)
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result.id = pk.toNodeId()
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proc newNode*(uriString: string): Node =
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result.new()
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result.node = initENode(uriString)
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result.id = result.node.pubkey.toNodeId()
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proc newNode*(enode: ENode): Node =
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result.new()
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result.node = enode
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result.id = result.node.pubkey.toNodeId()
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proc newNode*(r: Record): Node =
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# TODO: Handle IPv6
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let
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ipBytes = r.get("ip", array[4, byte])
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udpPort = r.get("udp", uint16)
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var pk: PublicKey
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if recoverPublicKey(r.get("secp256k1", seq[byte]), pk) != EthKeysStatus.Success:
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warn "Could not recover public key"
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return
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let a = Address(ip: IpAddress(family: IpAddressFamily.IPv4,
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address_v4: ipBytes),
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udpPort: Port udpPort)
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result = newNode(initENode(pk, a))
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result.record = r
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proc hash*(n: Node): hashes.Hash = hash(n.node.pubkey.data)
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proc `==`*(a, b: Node): bool = (a.isNil and b.isNil) or (not a.isNil and not b.isNil and a.node.pubkey == b.node.pubkey)
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proc address*(n: Node): Address {.inline.} = n.node.address
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proc `$`*(n: Node): string =
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if n == nil:
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"Node[local]"
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else:
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"Node[" & $n.node.address.ip & ":" & $n.node.address.udpPort & "]"
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