nim-json-rpc/tests/testethcalls.nim

79 lines
2.5 KiB
Nim

import
unittest, json, tables,
stint, ethtypes, ethprocs, stintjson, chronicles,
../json_rpc/[rpcclient, rpcserver], ./helpers
from os import getCurrentDir, DirSep
from strutils import rsplit
template sourceDir: string = currentSourcePath.rsplit(DirSep, 1)[0]
var
server = newRpcSocketServer("localhost", Port(8545))
client = newRpcSocketClient()
## Generate Ethereum server RPCs
server.addEthRpcs()
## Generate client convenience marshalling wrappers from forward declarations
createRpcSigs(RpcSocketClient, sourceDir & DirSep & "ethcallsigs.nim")
## Create custom RPC with StUint input parameter
server.rpc("rpc.uint256param") do(i: UInt256):
let r = i + 1.stUint(256)
return %r
## Create custom RPC with StUInt return parameter
server.rpc("rpc.testreturnuint256") do() -> UInt256:
let r: UInt256 = "0x1234567890abcdef".parse(UInt256, 16)
return r
proc testLocalCalls: Future[seq[StringOfJson]] =
## Call RPCs created with `rpc` locally.
## This simply demonstrates async calls of the procs generated by the `rpc` macro.
let
uint256Param = rpcUInt256Param(%[%"0x1234567890"])
returnUint256 = rpcTestReturnUInt256(%[])
return all(uint256Param, returnUint256)
proc testRemoteUInt256: Future[seq[Response]] =
## Call function remotely on server, testing `stint` types
let
uint256Param = client.call("rpc.uint256param", %[%"0x1234567890"])
returnUint256 = client.call("rpc.testreturnuint256", %[])
return all(uint256Param, returnUint256)
proc testSigCalls: Future[seq[string]] =
## Remote call using proc generated from signatures in `ethcallsigs.nim`
let
version = client.web3_clientVersion()
sha3 = client.web3_sha3("0x68656c6c6f20776f726c64")
return all(version, sha3)
server.start()
waitFor client.connect("localhost", Port(8545))
suite "Local calls":
let localResults = testLocalCalls().waitFor
test "UInt256 param local":
check localResults[0] == %"0x1234567891"
test "Return UInt256 local":
check localResults[1] == %"0x1234567890abcdef"
suite "Remote calls":
let remoteResults = testRemoteUInt256().waitFor
test "UInt256 param":
check remoteResults[0] == %"0x1234567891"
test "Return UInt256":
check remoteResults[1] == %"0x1234567890abcdef"
suite "Generated from signatures":
let sigResults = testSigCalls().waitFor
test "Version":
check sigResults[0] == "Nimbus-RPC-Test"
test "SHA3":
check sigResults[1] == "0x47173285A8D7341E5E972FC677286384F802F8EF42A5EC5F03BBFA254CB01FAD"
server.stop()
waitFor server.closeWait()