mirror of
https://github.com/codex-storage/nim-codex-dht.git
synced 2025-02-22 16:48:22 +00:00
9a01791e11
Swap all instances of Record with SignedPeerRecord. Allow for `SignedPeerRecord`s to be updated by updating the first multiaddress in the `PeerRecord`. This also increments the `seqNo` in the `PeerRecord` only if the address was actually updated.
635 lines
24 KiB
Nim
635 lines
24 KiB
Nim
{.used.}
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import
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std/[options, sequtils, tables],
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chronos,
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asynctest/unittest2,
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stint, stew/byteutils, stew/shims/net,
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eth/[keys,rlp],
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libp2pdht/discv5/[messages, messages_encoding, encoding, spr, node, sessions],
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../dht/test_helper
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suite "Discovery v5.1 Protocol Message Encodings":
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test "Ping Request":
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let
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sprSeq = 1'u64
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p = PingMessage(sprSeq: sprSeq)
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reqId = RequestId(id: @[1.byte])
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let encoded = encodeMessage(p, reqId)
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check byteutils.toHex(encoded) == "01c20101"
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let decoded = decodeMessage(encoded)
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check decoded.isOk()
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let message = decoded.get()
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check:
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message.reqId == reqId
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message.kind == ping
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message.ping.sprSeq == sprSeq
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test "Pong Response":
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let
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sprSeq = 1'u64
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ip = IpAddress(family: IpAddressFamily.IPv4, address_v4: [127.byte, 0, 0, 1])
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port = 5000'u16
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p = PongMessage(sprSeq: sprSeq, ip: ip, port: port)
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reqId = RequestId(id: @[1.byte])
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let encoded = encodeMessage(p, reqId)
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check byteutils.toHex(encoded) == "02ca0101847f000001821388"
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let decoded = decodeMessage(encoded)
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check decoded.isOk()
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let message = decoded.get()
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check:
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message.reqId == reqId
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message.kind == pong
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message.pong.sprSeq == sprSeq
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message.pong.ip == ip
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message.pong.port == port
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test "FindNode Request":
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let
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distances = @[0x0100'u16]
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fn = FindNodeMessage(distances: distances)
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reqId = RequestId(id: @[1.byte])
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let encoded = encodeMessage(fn, reqId)
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check byteutils.toHex(encoded) == "03c501c3820100"
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let decoded = decodeMessage(encoded)
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check decoded.isOk()
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let message = decoded.get()
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check:
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message.reqId == reqId
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message.kind == findNode
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message.findNode.distances == distances
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test "Nodes Response (empty)":
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let
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total = 0x1'u32
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n = NodesMessage(total: total)
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reqId = RequestId(id: @[1.byte])
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let encoded = encodeMessage(n, reqId)
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check byteutils.toHex(encoded) == "04c30101c0"
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let decoded = decodeMessage(encoded)
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check decoded.isOk()
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let message = decoded.get()
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check:
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message.reqId == reqId
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message.kind == nodes
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message.nodes.total == total
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message.nodes.sprs.len() == 0
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test "Nodes Response (multiple)":
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var s1, s2: SignedPeerRecord
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check s1.fromURI("spr:CiQIARIgWu2YZ5TQVW1gWEfvQijVHqSBtjCbwDt9VppJvYpHX9wSAgMBGlUKJgAkCAESIFrtmGeU0FVtYFhH70Io1R6kgbYwm8A7fVaaSb2KR1_cEKz1xZEGGgsKCQQAAAAAkQIAARoLCgkEAAAAAJECAAIaCwoJBAAAAACRAgADKkAjkK9DeWc82uzd1AEjRr-ksQyRiQ7vYGV4Af3FAEi0JgHvMC8RCQdqn2wBYxvBcyO8o1XMEEKCG01AUZrJlCkD")
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check s2.fromURI("spr:CiQIARIguW3cNKnlvRsJVmV0ddgFMmvfAQLi0zf4tlt_6WGA03YSAgMBGlUKJgAkCAESILlt3DSp5b0bCVZldHXYBTJr3wEC4tM3-LZbf-lhgNN2EKz1xZEGGgsKCQQAAAAAkQIAARoLCgkEAAAAAJECAAIaCwoJBAAAAACRAgADKkC4Y9NkDHf-71LOvZon0NjmyzQnkm4IlAJGMDPS0cbSgIF3-2cECC5mRiXHjcHWlI5hPpxUURxFyIgSp7XX1jIL")
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let
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total = 0x1'u32
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n = NodesMessage(total: total, sprs: @[s1, s2])
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reqId = RequestId(id: @[1.byte])
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let encoded = encodeMessage(n, reqId)
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check byteutils.toHex(encoded) == "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"
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let decoded = decodeMessage(encoded)
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check decoded.isOk()
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let message = decoded.get()
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check:
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message.reqId == reqId
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message.kind == nodes
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message.nodes.total == total
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message.nodes.sprs.len() == 2
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message.nodes.sprs[0] == s1
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message.nodes.sprs[1] == s2
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test "Talk Request":
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let
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tr = TalkReqMessage(protocol: "echo".toBytes(), request: "hi".toBytes())
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reqId = RequestId(id: @[1.byte])
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let encoded = encodeMessage(tr, reqId)
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check byteutils.toHex(encoded) == "05c901846563686f826869"
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let decoded = decodeMessage(encoded)
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check decoded.isOk()
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let message = decoded.get()
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check:
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message.reqId == reqId
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message.kind == talkReq
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message.talkReq.protocol == "echo".toBytes()
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message.talkReq.request == "hi".toBytes()
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test "Talk Response":
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let
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tr = TalkRespMessage(response: "hi".toBytes())
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reqId = RequestId(id: @[1.byte])
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let encoded = encodeMessage(tr, reqId)
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check byteutils.toHex(encoded) == "06c401826869"
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let decoded = decodeMessage(encoded)
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check decoded.isOk()
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let message = decoded.get()
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check:
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message.reqId == reqId
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message.kind == talkResp
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message.talkResp.response == "hi".toBytes()
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test "Ping with too large RequestId":
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let
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sprSeq = 1'u64
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p = PingMessage(sprSeq: sprSeq)
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# 1 byte too large
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reqId = RequestId(id: @[0.byte, 1, 2, 3, 4, 5, 6, 7, 8])
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let encoded = encodeMessage(p, reqId)
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check byteutils.toHex(encoded) == "01cb8900010203040506070801"
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let decoded = decodeMessage(encoded)
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check decoded.isErr()
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test "Pong with invalid IP address size":
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# pong message with ip field of 5 bytes
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let encodedPong = "02cb0101857f00000102821388"
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let decoded = decodeMessage(hexToSeqByte(encodedPong))
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check decoded.isErr()
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# According to test vectors:
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# https://github.com/ethereum/devp2p/blob/master/discv5/discv5-wire-test-vectors.md#cryptographic-primitives
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suite "Discovery v5.1 Cryptographic Primitives Test Vectors":
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test "ECDH":
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const
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# input
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publicKey = "0x039961e4c2356d61bedb83052c115d311acb3a96f5777296dcf297351130266231"
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secretKey = "0xfb757dc581730490a1d7a00deea65e9b1936924caaea8f44d476014856b68736"
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# expected output
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sharedSecret = "0x033b11a2a1f214567e1537ce5e509ffd9b21373247f2a3ff6841f4976f53165e7e"
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let
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pub = keys.PublicKey.fromHex(publicKey)[]
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priv = keys.PrivateKey.fromHex(secretKey)[]
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eph = ecdhRawFull(priv, pub)
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check:
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eph.data == hexToSeqByte(sharedSecret)
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test "Key Derivation":
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const
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# input
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ephemeralKey = "0xfb757dc581730490a1d7a00deea65e9b1936924caaea8f44d476014856b68736"
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destPubkey = "0x0317931e6e0840220642f230037d285d122bc59063221ef3226b1f403ddc69ca91"
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nodeIdA = "0xaaaa8419e9f49d0083561b48287df592939a8d19947d8c0ef88f2a4856a69fbb"
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nodeIdB = "0xbbbb9d047f0488c0b5a93c1c3f2d8bafc7c8ff337024a55434a0d0555de64db9"
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challengeData = "0x000000000000000000000000000000006469736376350001010102030405060708090a0b0c00180102030405060708090a0b0c0d0e0f100000000000000000"
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# expected output
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initiatorKey = "0xdccc82d81bd610f4f76d3ebe97a40571"
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recipientKey = "0xac74bb8773749920b0d3a8881c173ec5"
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let secrets = deriveKeys(
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NodeId.fromHex(nodeIdA),
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NodeId.fromHex(nodeIdB),
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keys.PrivateKey.fromHex(ephemeralKey)[],
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keys.PublicKey.fromHex(destPubkey)[],
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hexToSeqByte(challengeData))
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check:
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secrets.initiatorKey == hexToByteArray[aesKeySize](initiatorKey)
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secrets.recipientKey == hexToByteArray[aesKeySize](recipientKey)
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test "Nonce Signing":
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const
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# input
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staticKey = "0xfb757dc581730490a1d7a00deea65e9b1936924caaea8f44d476014856b68736"
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challengeData = "0x000000000000000000000000000000006469736376350001010102030405060708090a0b0c00180102030405060708090a0b0c0d0e0f100000000000000000"
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ephemeralPubkey = "0x039961e4c2356d61bedb83052c115d311acb3a96f5777296dcf297351130266231"
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nodeIdB = "0xbbbb9d047f0488c0b5a93c1c3f2d8bafc7c8ff337024a55434a0d0555de64db9"
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# expected output
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idSignature = "0x94852a1e2318c4e5e9d422c98eaf19d1d90d876b29cd06ca7cb7546d0fff7b484fe86c09a064fe72bdbef73ba8e9c34df0cd2b53e9d65528c2c7f336d5dfc6e6"
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let
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privKey = keys.PrivateKey.fromHex(staticKey)[]
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signature = createIdSignature(
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privKey,
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hexToSeqByte(challengeData),
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hexToSeqByte(ephemeralPubkey),
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NodeId.fromHex(nodeIdB))
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check:
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signature.toRaw() == hexToByteArray[64](idSignature)
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verifyIdSignature(signature, hexToSeqByte(challengeData),
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hexToSeqByte(ephemeralPubkey), NodeId.fromHex(nodeIdB),
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privKey.toPublicKey())
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test "Encryption/Decryption":
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const
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# input
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encryptionKey = "0x9f2d77db7004bf8a1a85107ac686990b"
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nonce = "0x27b5af763c446acd2749fe8e"
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pt = "0x01c20101"
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ad = "0x93a7400fa0d6a694ebc24d5cf570f65d04215b6ac00757875e3f3a5f42107903"
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# expected output
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messageCiphertext = "0xa5d12a2d94b8ccb3ba55558229867dc13bfa3648"
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let encrypted = encryptGCM(hexToByteArray[aesKeySize](encryptionKey),
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hexToByteArray[gcmNonceSize](nonce),
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hexToSeqByte(pt),
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hexToByteArray[32](ad))
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check encrypted == hexToSeqByte(messageCiphertext)
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# According to test vectors:
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# https://github.com/ethereum/devp2p/blob/master/discv5/discv5-wire-test-vectors.md#packet-encodings
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suite "Discovery v5.1 Packet Encodings Test Vectors":
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const
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nodeAKey = "0xeef77acb6c6a6eebc5b363a475ac583ec7eccdb42b6481424c60f59aa326547f"
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nodeBKey = "0x66fb62bfbd66b9177a138c1e5cddbe4f7c30c343e94e68df8769459cb1cde628"
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var
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codecA, codecB: Codec
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nodeA, nodeB: Node
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privKeyA, privKeyB: keys.PrivateKey
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setup:
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privKeyA = keys.PrivateKey.fromHex(nodeAKey)[] # sender -> encode
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privKeyB = keys.PrivateKey.fromHex(nodeBKey)[] # receive -> decode
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let
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enrRecA = SignedPeerRecord.init(1, privKeyA,
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some(ValidIpAddress.init("127.0.0.1")), some(Port(9000)),
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some(Port(9000))).expect("Properly intialized private key")
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enrRecB = SignedPeerRecord.init(1, privKeyB,
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some(ValidIpAddress.init("127.0.0.1")), some(Port(9000)),
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some(Port(9000))).expect("Properly intialized private key")
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nodeA = newNode(enrRecA).expect("Properly initialized record")
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nodeB = newNode(enrRecB).expect("Properly initialized record")
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codecA = Codec(localNode: nodeA, privKey: privKeyA,
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sessions: Sessions.init(5))
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codecB = Codec(localNode: nodeB, privKey: privKeyB,
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sessions: Sessions.init(5))
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test "Ping Ordinary Message Packet":
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const
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readKey = "0x00000000000000000000000000000000"
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pingReqId = "0x00000001"
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pingSprSeq = 2'u64
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encodedPacket =
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"00000000000000000000000000000000088b3d4342774649325f313964a39e55" &
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"ea96c005ad52be8c7560413a7008f16c9e6d2f43bbea8814a546b7409ce783d3" &
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"4c4f53245d08dab84102ed931f66d1492acb308fa1c6715b9d139b81acbdcc"
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let dummyKey = "0x00000000000000000000000000000001" # of no importance
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codecA.sessions.store(nodeB.id, nodeB.address.get(),
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hexToByteArray[aesKeySize](dummyKey), hexToByteArray[aesKeySize](readKey))
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codecB.sessions.store(nodeA.id, nodeA.address.get(),
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hexToByteArray[aesKeySize](readKey), hexToByteArray[aesKeySize](dummyKey))
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let decoded = codecB.decodePacket(nodeA.address.get(),
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hexToSeqByte(encodedPacket))
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check:
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decoded.isOk()
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decoded.get().messageOpt.isSome()
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decoded.get().messageOpt.get().reqId.id == hexToSeqByte(pingReqId)
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decoded.get().messageOpt.get().kind == ping
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decoded.get().messageOpt.get().ping.sprSeq == pingSprSeq
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test "Whoareyou Packet":
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const
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whoareyouChallengeData = "0x000000000000000000000000000000006469736376350001010102030405060708090a0b0c00180102030405060708090a0b0c0d0e0f100000000000000000"
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whoareyouRequestNonce = "0x0102030405060708090a0b0c"
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whoareyouIdNonce = "0x0102030405060708090a0b0c0d0e0f10"
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whoareyouSprSeq = 0
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encodedPacket =
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"00000000000000000000000000000000088b3d434277464933a1ccc59f5967ad" &
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"1d6035f15e528627dde75cd68292f9e6c27d6b66c8100a873fcbaed4e16b8d"
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let decoded = codecB.decodePacket(nodeA.address.get(),
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hexToSeqByte(encodedPacket))
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check:
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decoded.isOk()
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decoded.get().flag == Flag.Whoareyou
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decoded.get().whoareyou.requestNonce == hexToByteArray[gcmNonceSize](whoareyouRequestNonce)
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decoded.get().whoareyou.idNonce == hexToByteArray[idNonceSize](whoareyouIdNonce)
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decoded.get().whoareyou.recordSeq == whoareyouSprSeq
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decoded.get().whoareyou.challengeData == hexToSeqByte(whoareyouChallengeData)
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codecB.decodePacket(nodeA.address.get(),
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hexToSeqByte(encodedPacket & "00")).isErr()
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test "Ping Handshake Message Packet":
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const
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pingReqId = "0x00000001"
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pingSprSeq = 1'u64
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#
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# handshake inputs:
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#
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whoareyouChallengeData = "0x000000000000000000000000000000006469736376350001010102030405060708090a0b0c00180102030405060708090a0b0c0d0e0f100000000000000001"
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whoareyouRequestNonce = "0x0102030405060708090a0b0c"
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whoareyouIdNonce = "0x0102030405060708090a0b0c0d0e0f10"
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whoareyouSprSeq = 1'u64
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encodedPacket =
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"00000000000000000000000000000000088b3d4342774649305f313964a39e55" &
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"ea96c005ad521d8c7560413a7008f16c9e6d2f43bbea8814a546b7409ce783d3" &
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"4c4f53245d08da4bb252012b2cba3f4f374a90a75cff91f142fa9be3e0a5f3ef" &
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"268ccb9065aeecfd67a999e7fdc137e062b2ec4a0eb92947f0d9a74bfbf44dfb" &
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"a776b21301f8b65efd5796706adff216ab862a9186875f9494150c4ae06fa4d1" &
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"f0396c93f215fa4ef524f1eadf5f0f4126b79336671cbcf7a885b1f8bd2a5d83" &
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"9cf8"
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let
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whoareyouData = WhoareyouData(
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requestNonce: hexToByteArray[gcmNonceSize](whoareyouRequestNonce),
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idNonce: hexToByteArray[idNonceSize](whoareyouIdNonce),
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recordSeq: whoareyouSprSeq,
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challengeData: hexToSeqByte(whoareyouChallengeData))
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pubkey = some(privKeyA.toPublicKey())
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challenge = Challenge(whoareyouData: whoareyouData, pubkey: pubkey)
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key = HandshakeKey(nodeId: nodeA.id, address: nodeA.address.get())
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check: not codecB.handshakes.hasKeyOrPut(key, challenge)
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let decoded = codecB.decodePacket(nodeA.address.get(),
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hexToSeqByte(encodedPacket))
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check:
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decoded.isOk()
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decoded.get().message.reqId.id == hexToSeqByte(pingReqId)
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decoded.get().message.kind == ping
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decoded.get().message.ping.sprSeq == pingSprSeq
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decoded.get().node.isNone()
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codecB.decodePacket(nodeA.address.get(),
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hexToSeqByte(encodedPacket & "00")).isErr()
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test "Ping Handshake Message Packet with SPR":
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const
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pingReqId = "0x00000001"
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pingSprSeq = 1'u64
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#
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# handshake inputs:
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#
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whoareyouChallengeData = "0x000000000000000000000000000000006469736376350001010102030405060708090a0b0c00180102030405060708090a0b0c0d0e0f100000000000000000"
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whoareyouRequestNonce = "0x0102030405060708090a0b0c"
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whoareyouIdNonce = "0x0102030405060708090a0b0c0d0e0f10"
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whoareyouSprSeq = 0'u64
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encodedPacket =
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"2746cce362989b5d7e2496490b25f952e9198c524b06c7e9e069c5f7c8d2c84b" &
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"943322ac741826023cb35086eee94baaf98f81217c3dbcb022afb1464555b144" &
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"69b49cb19fe1f3459b4bbb03a52fc588bcc69d7ff50842ee6c3fc3ffd58d425f" &
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"e8c7bec9777fcb15d9c9e37c4aa3b226274f6631526d6d2127f39e1daff277fd" &
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"e867a8222ae509922d9e94456f7cbde14c1788894708713789b28b307ac983c8" &
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"31ebc00113ded4011af2bfa06078c8f0a3401e8c034b3ae5506fb002a0355bf1" &
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"48b19022bae8b088a0c0bdc22dc3d5ce4a6c5ad700a3f8a82be214c2bef98afe" &
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"2dbf4ffaaf816602d470dcfe8184b1db8d873d8813984f86b6350ff5d00d466c" &
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"06de59f1797ad01a68bb9c07b9cb56e6989ab0e94d32c60e435a48aa7c89d602" &
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"3863bd1605a33f895903657fe72f79ded24b366486a1c02a893702ec7d299ea8" &
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"7afe0bb771fad244b8d4d0bd7bf4dc833a17c4db2f926eb7614788308a6f98af" &
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"9a0e20bd75af75175645058702122b15"
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let
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whoareyouData = WhoareyouData(
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requestNonce: hexToByteArray[gcmNonceSize](whoareyouRequestNonce),
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idNonce: hexToByteArray[idNonceSize](whoareyouIdNonce),
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recordSeq: whoareyouSprSeq,
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challengeData: hexToSeqByte(whoareyouChallengeData))
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pubkey = none(keys.PublicKey)
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challenge = Challenge(whoareyouData: whoareyouData, pubkey: pubkey)
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key = HandshakeKey(nodeId: nodeA.id, address: nodeA.address.get())
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check: not codecB.handshakes.hasKeyOrPut(key, challenge)
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let decoded = codecB.decodePacket(nodeA.address.get(),
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hexToSeqByte(encodedPacket))
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check:
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decoded.isOk()
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decoded.get().message.reqId.id == hexToSeqByte(pingReqId)
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decoded.get().message.kind == ping
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decoded.get().message.ping.sprSeq == pingSprSeq
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decoded.get().node.isSome()
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codecB.decodePacket(nodeA.address.get(),
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hexToSeqByte(encodedPacket & "00")).isErr()
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suite "Discovery v5.1 Additional Encode/Decode":
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var rng = keys.newRng()
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test "Encryption/Decryption":
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let
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encryptionKey = hexToByteArray[aesKeySize]("0x9f2d77db7004bf8a1a85107ac686990b")
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nonce = hexToByteArray[gcmNonceSize]("0x27b5af763c446acd2749fe8e")
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ad = hexToByteArray[32]("0x93a7400fa0d6a694ebc24d5cf570f65d04215b6ac00757875e3f3a5f42107903")
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pt = hexToSeqByte("0xa1")
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let
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ct = encryptGCM(encryptionKey, nonce, pt, ad)
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decrypted = decryptGCM(encryptionKey, nonce, ct, ad)
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check decrypted.get() == pt
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test "Decryption":
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let
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encryptionKey = hexToByteArray[aesKeySize]("0x9f2d77db7004bf8a1a85107ac686990b")
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nonce = hexToByteArray[gcmNonceSize]("0x27b5af763c446acd2749fe8e")
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ad = hexToByteArray[32]("0x93a7400fa0d6a694ebc24d5cf570f65d04215b6ac00757875e3f3a5f42107903")
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pt = hexToSeqByte("0x01c20101")
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ct = hexToSeqByte("0xa5d12a2d94b8ccb3ba55558229867dc13bfa3648")
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# valid case
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check decryptGCM(encryptionKey, nonce, ct, ad).get() == pt
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# invalid tag/data sizes
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var invalidCipher: seq[byte] = @[]
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check decryptGCM(encryptionKey, nonce, invalidCipher, ad).isNone()
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invalidCipher = repeat(byte(4), gcmTagSize)
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check decryptGCM(encryptionKey, nonce, invalidCipher, ad).isNone()
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# invalid tag/data itself
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invalidCipher = repeat(byte(4), gcmTagSize + 1)
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check decryptGCM(encryptionKey, nonce, invalidCipher, ad).isNone()
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test "Encrypt / Decrypt header":
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var nonce: AESGCMNonce
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brHmacDrbgGenerate(rng[], nonce)
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let
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privKey = keys.PrivateKey.random(rng[])
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nodeId = privKey.toPublicKey().toNodeId()
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authdata = newSeq[byte](32)
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staticHeader = encodeStaticHeader(Flag.OrdinaryMessage, nonce,
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authdata.len())
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header = staticHeader & authdata
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var iv: array[128 div 8, byte]
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brHmacDrbgGenerate(rng[], iv)
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let
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encrypted = encryptHeader(nodeId, iv, header)
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decoded = decodeHeader(nodeId, iv, encrypted)
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check decoded.isOk()
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var
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codecA, codecB: Codec
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nodeA, nodeB: Node
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privKeyA, privKeyB: keys.PrivateKey
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setup:
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privKeyA = keys.PrivateKey.random(rng[]) # sender -> encode
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privKeyB = keys.PrivateKey.random(rng[]) # receiver -> decode
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let
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enrRecA = SignedPeerRecord.init(1, privKeyA,
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some(ValidIpAddress.init("127.0.0.1")), some(Port(9000)),
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some(Port(9000))).expect("Properly intialized private key")
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enrRecB = SignedPeerRecord.init(1, privKeyB,
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some(ValidIpAddress.init("127.0.0.1")), some(Port(9000)),
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some(Port(9000))).expect("Properly intialized private key")
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nodeA = newNode(enrRecA).expect("Properly initialized record")
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nodeB = newNode(enrRecB).expect("Properly initialized record")
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codecA = Codec(localNode: nodeA, privKey: privKeyA, sessions: Sessions.init(5))
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codecB = Codec(localNode: nodeB, privKey: privKeyB, sessions: Sessions.init(5))
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test "Encode / Decode Ordinary Random Message Packet":
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let
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m = PingMessage(sprSeq: 0)
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reqId = RequestId.init(rng[])
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message = encodeMessage(m, reqId)
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let (data, nonce) = encodeMessagePacket(rng[], codecA, nodeB.id,
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nodeB.address.get(), message)
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let decoded = codecB.decodePacket(nodeA.address.get(), data)
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check:
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decoded.isOk()
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decoded[].flag == OrdinaryMessage
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decoded[].messageOpt.isNone()
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decoded[].requestNonce == nonce
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test "Encode / Decode Whoareyou Packet":
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var requestNonce: AESGCMNonce
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brHmacDrbgGenerate(rng[], requestNonce)
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let recordSeq = 0'u64
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let data = encodeWhoareyouPacket(rng[], codecA, nodeB.id,
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nodeB.address.get(), requestNonce, recordSeq, none(keys.PublicKey))
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let decoded = codecB.decodePacket(nodeA.address.get(), data)
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let key = HandshakeKey(nodeId: nodeB.id, address: nodeB.address.get())
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var challenge: Challenge
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check:
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codecA.handshakes.pop(key, challenge)
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decoded.isOk()
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decoded[].flag == Flag.Whoareyou
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decoded[].whoareyou.requestNonce == requestNonce
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decoded[].whoareyou.idNonce == challenge.whoareyouData.idNonce
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decoded[].whoareyou.recordSeq == recordSeq
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test "Encode / Decode Handshake Message Packet":
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var requestNonce: AESGCMNonce
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brHmacDrbgGenerate(rng[], requestNonce)
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let
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recordSeq = 1'u64
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m = PingMessage(sprSeq: 0)
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reqId = RequestId.init(rng[])
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message = encodeMessage(m, reqId)
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pubkey = some(privKeyA.toPublicKey())
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# Encode/decode whoareyou packet to get the handshake stored and the
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# whoareyou data returned. It's either that or construct the header for the
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# whoareyouData manually.
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let
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encodedDummy = encodeWhoareyouPacket(rng[], codecB, nodeA.id,
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nodeA.address.get(), requestNonce, recordSeq, pubkey)
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decodedDummy = codecA.decodePacket(nodeB.address.get(), encodedDummy)
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let data = encodeHandshakePacket(rng[], codecA, nodeB.id,
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nodeB.address.get(), message, decodedDummy[].whoareyou,
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privKeyB.toPublicKey())
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let decoded = codecB.decodePacket(nodeA.address.get(), data)
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check:
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decoded.isOk()
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decoded.get().message.reqId == reqId
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decoded.get().message.kind == ping
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decoded.get().message.ping.sprSeq == 0
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decoded.get().node.isNone()
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test "Encode / Decode Handshake Message Packet with SPR":
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var requestNonce: AESGCMNonce
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brHmacDrbgGenerate(rng[], requestNonce)
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let
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recordSeq = 0'u64
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m = PingMessage(sprSeq: 0)
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reqId = RequestId.init(rng[])
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message = encodeMessage(m, reqId)
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pubkey = none(keys.PublicKey)
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# Encode/decode whoareyou packet to get the handshake stored and the
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# whoareyou data returned. It's either that or construct the header for the
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# whoareyouData manually.
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let
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encodedDummy = encodeWhoareyouPacket(rng[], codecB, nodeA.id,
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nodeA.address.get(), requestNonce, recordSeq, pubkey)
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decodedDummy = codecA.decodePacket(nodeB.address.get(), encodedDummy)
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let encoded = encodeHandshakePacket(rng[], codecA, nodeB.id,
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nodeB.address.get(), message, decodedDummy[].whoareyou,
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privKeyB.toPublicKey())
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let decoded = codecB.decodePacket(nodeA.address.get(), encoded)
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check:
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decoded.isOk()
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decoded.get().message.reqId == reqId
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decoded.get().message.kind == ping
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decoded.get().message.ping.sprSeq == 0
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decoded.get().node.isSome()
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decoded.get().node.get().record.seqNum == 1
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test "Encode / Decode Ordinary Message Packet":
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let
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m = PingMessage(sprSeq: 0)
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reqId = RequestId.init(rng[])
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message = encodeMessage(m, reqId)
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# Need to manually add the secrets that normally get negotiated in the
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# handshake packet.
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var secrets: HandshakeSecrets
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codecA.sessions.store(nodeB.id, nodeB.address.get(), secrets.recipientKey,
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secrets.initiatorKey)
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codecB.sessions.store(nodeA.id, nodeA.address.get(), secrets.initiatorKey,
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secrets.recipientKey)
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let (data, nonce) = encodeMessagePacket(rng[], codecA, nodeB.id,
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nodeB.address.get(), message)
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let decoded = codecB.decodePacket(nodeA.address.get(), data)
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check:
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decoded.isOk()
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decoded.get().flag == OrdinaryMessage
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decoded.get().messageOpt.isSome()
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decoded.get().messageOpt.get().reqId == reqId
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decoded.get().messageOpt.get().kind == ping
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decoded.get().messageOpt.get().ping.sprSeq == 0
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decoded[].requestNonce == nonce
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