nim-eth/tests/p2p/p2p_test_helper.nim

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2019-04-05 08:13:22 +00:00
import
unittest, chronos, eth/[keys, p2p], eth/p2p/[discovery, enode]
var nextPort = 30303
proc localAddress(port: int): Address =
let port = Port(port)
result = Address(udpPort: port, tcpPort: port, ip: parseIpAddress("127.0.0.1"))
proc startDiscoveryNode(privKey: PrivateKey, address: Address,
bootnodes: seq[ENode]): Future[DiscoveryProtocol] {.async.} =
result = newDiscoveryProtocol(privKey, address, bootnodes)
result.open()
await result.bootstrap()
proc setupBootNode*(): Future[ENode] {.async.} =
let
bootNodeKey = newPrivateKey()
bootNodeAddr = localAddress(30301)
bootNode = await startDiscoveryNode(bootNodeKey, bootNodeAddr, @[])
result = initENode(bootNodeKey.getPublicKey, bootNodeAddr)
proc setupTestNode*(capabilities: varargs[ProtocolInfo, `protocolInfo`]): EthereumNode =
let keys1 = newKeyPair()
result = newEthereumNode(keys1, localAddress(nextPort), 1, nil,
addAllCapabilities = false)
nextPort.inc
for capability in capabilities:
result.addCapability capability
template asyncTest*(name, body: untyped) =
test name:
proc scenario {.async.} = body
waitFor scenario()