import chronos, bearssl/rand, eth/[keys, p2p] import libp2p/crypto/crypto 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 setupTestNode*( rng: ref HmacDrbgContext, capabilities: varargs[ProtocolInfo, `protocolInfo`] ): EthereumNode = let keys1 = keys.KeyPair.random(rng[]) address = localAddress(nextPort) result = newEthereumNode( keys1, address, NetworkId(1), addAllCapabilities = false, bindUdpPort = address.udpPort, # Assume same as external bindTcpPort = address.tcpPort, # Assume same as external rng = rng, ) nextPort.inc for capability in capabilities: result.addCapability capability # Copied from here: https://github.com/status-im/nim-libp2p/blob/d522537b19a532bc4af94fcd146f779c1f23bad0/tests/helpers.nim#L28 type RngWrap = object rng: ref rand.HmacDrbgContext var rngVar: RngWrap proc getRng(): ref rand.HmacDrbgContext = # TODO if `rngVar` is a threadvar like it should be, there are random and # spurious compile failures on mac - this is not gcsafe but for the # purpose of the tests, it's ok as long as we only use a single thread {.gcsafe.}: if rngVar.rng.isNil: rngVar.rng = crypto.newRng() rngVar.rng template rng*(): ref rand.HmacDrbgContext = getRng()