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Make ENR $ call print the IP address prettier (#409)

This commit is contained in:
Kim De Mey 2021-10-19 14:13:09 +02:00 committed by GitHub
parent 88795c6477
commit 9a1bb5e125
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 65 additions and 5 deletions
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17
eth/p2p/discoveryv5/enr.nim
View File

@ -491,7 +491,22 @@ proc `$`*(r: Record): string =
result &= ", "
result &= k
result &= ": "
result &= $v
# For IP addresses we print something prettier than the default kinds
# Note: Could disallow for invalid IPs in ENR also.
if k == "ip":
let ip = r.tryGet("ip", array[4, byte])
if ip.isSome():
result &= $ipv4(ip.get())
else:
result &= "(Invalid) " & $v
elif k == "ip6":
let ip = r.tryGet("ip6", array[16, byte])
if ip.isSome():
result &= $ipv6(ip.get())
else:
result &= "(Invalid) " & $v
else:
result &= $v
result &= ')'
proc `==`*(a, b: Record): bool = a.raw == b.raw

53
tests/p2p/test_enr.nim
View File

@ -12,7 +12,7 @@ suite "ENR":
var pk = PrivateKey.fromHex(
"5d2908f3f09ea1ff2e327c3f623159639b00af406e9009de5fd4b910fc34049d")[]
var r = initRecord(123, pk, {"udp": 1234'u, "ip": [byte 5, 6, 7, 8]})[]
check($r == """(123, id: "v4", ip: 0x05060708, secp256k1: 0x02E51EFA66628CE09F689BC2B82F165A75A9DDECBB6A804BE15AC3FDF41F3B34E7, udp: 1234)""")
check($r == """(123, id: "v4", ip: 5.6.7.8, secp256k1: 0x02E51EFA66628CE09F689BC2B82F165A75A9DDECBB6A804BE15AC3FDF41F3B34E7, udp: 1234)""")
let uri = r.toURI()
var r2: Record
let sigValid = r2.fromURI(uri)
@ -24,7 +24,7 @@ suite "ENR":
var pk = PrivateKey.fromHex(
"5d2908f3f09ea1ff2e327c3f623159639b00af406e9009de5fd4b910fc34049d")[]
var r = initRecord(123, pk, {"udp": 1234'u, "ip": [byte 5, 6, 7, 8]})[]
check($r == """(123, id: "v4", ip: 0x05060708, secp256k1: 0x02E51EFA66628CE09F689BC2B82F165A75A9DDECBB6A804BE15AC3FDF41F3B34E7, udp: 1234)""")
check($r == """(123, id: "v4", ip: 5.6.7.8, secp256k1: 0x02E51EFA66628CE09F689BC2B82F165A75A9DDECBB6A804BE15AC3FDF41F3B34E7, udp: 1234)""")
let encoded = rlp.encode(r)
let decoded = rlp.decode(encoded, enr.Record)
check($decoded == $r)
@ -46,7 +46,7 @@ suite "ENR":
var r: Record
let sigValid = r.fromBase64("-IS4QHCYrYZbAKWCBRlAy5zzaDZXJBGkcnh4MHcBFZntXNFrdvJjX04jRzjzCBOonrkTfj499SZuOh8R33Ls8RRcy5wBgmlkgnY0gmlwhH8AAAGJc2VjcDI1NmsxoQPKY0yuDUmstAHYpMa2_oxVtw0RW_QAdpzBQA8yWM0xOIN1ZHCCdl8")
check(sigValid)
check($r == """(1, id: "v4", ip: 0x7F000001, secp256k1: 0x03CA634CAE0D49ACB401D8A4C6B6FE8C55B70D115BF400769CC1400F3258CD3138, udp: 30303)""")
check($r == """(1, id: "v4", ip: 127.0.0.1, secp256k1: 0x03CA634CAE0D49ACB401D8A4C6B6FE8C55B70D115BF400769CC1400F3258CD3138, udp: 30303)""")
test "Bad base64":
var r: Record
@ -259,9 +259,54 @@ suite "ENR":
var r = initRecord(123, pk, {"udp": 1234'u, "ip": [byte 5, 6, 7, 8],
"some_list": rlpList})[]
check($r == """(123, id: "v4", ip: 0x05060708, secp256k1: 0x02E51EFA66628CE09F689BC2B82F165A75A9DDECBB6A804BE15AC3FDF41F3B34E7, some_list: (Raw RLP list) 0xCE4883000102884869207468657265, udp: 1234)""")
check($r == """(123, id: "v4", ip: 5.6.7.8, secp256k1: 0x02E51EFA66628CE09F689BC2B82F165A75A9DDECBB6A804BE15AC3FDF41F3B34E7, some_list: (Raw RLP list) 0xCE4883000102884869207468657265, udp: 1234)""")
let encoded = rlp.encode(r)
let decoded = rlp.decode(encoded, enr.Record)
check($decoded == $r)
check(decoded.raw == r.raw)
test "ENR IP addresses ":
let pk = PrivateKey.fromHex(
"5d2908f3f09ea1ff2e327c3f623159639b00af406e9009de5fd4b910fc34049d")[]
block: # valid ipv4
var r = initRecord(123, pk, {"udp": 1234'u, "ip": [byte 5, 6, 7, 8]})[]
check($r == """(123, id: "v4", ip: 5.6.7.8, secp256k1: 0x02E51EFA66628CE09F689BC2B82F165A75A9DDECBB6A804BE15AC3FDF41F3B34E7, udp: 1234)""")
let encoded = rlp.encode(r)
let decoded = rlp.decode(encoded, enr.Record)
check($decoded == $r)
check(decoded.raw == r.raw)
block: # invalid ipv4
var r = initRecord(123, pk, {"udp": 1234'u, "ip": [byte 5, 6, 7]})[]
check($r == """(123, id: "v4", ip: (Invalid) 0x050607, secp256k1: 0x02E51EFA66628CE09F689BC2B82F165A75A9DDECBB6A804BE15AC3FDF41F3B34E7, udp: 1234)""")
let encoded = rlp.encode(r)
let decoded = rlp.decode(encoded, enr.Record)
check($decoded == $r)
check(decoded.raw == r.raw)
block: # valid ipv4 + ipv6
var r = initRecord(123, pk, {"udp": 1234'u, "ip": [byte 5, 6, 7, 8],
"ip6": [byte 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6]})[]
check($r == """(123, id: "v4", ip: 5.6.7.8, ip6: 102::102:304:506, secp256k1: 0x02E51EFA66628CE09F689BC2B82F165A75A9DDECBB6A804BE15AC3FDF41F3B34E7, udp: 1234)""")
let encoded = rlp.encode(r)
let decoded = rlp.decode(encoded, enr.Record)
check($decoded == $r)
check(decoded.raw == r.raw)
block: # invalid ipv4 + ipv6
var r = initRecord(123, pk, {"udp": 1234'u, "ip": [byte 5, 6, 7, 8, 9],
"ip6": [byte 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5]})[]
check($r == """(123, id: "v4", ip: (Invalid) 0x0506070809, ip6: (Invalid) 0x010200000000000000000102030405, secp256k1: 0x02E51EFA66628CE09F689BC2B82F165A75A9DDECBB6A804BE15AC3FDF41F3B34E7, udp: 1234)""")
let encoded = rlp.encode(r)
let decoded = rlp.decode(encoded, enr.Record)
check($decoded == $r)
check(decoded.raw == r.raw)