273 lines
11 KiB
Nim
273 lines
11 KiB
Nim
import std/json
|
|
import std/options
|
|
import pkg/asynctest
|
|
import pkg/questionable
|
|
import pkg/stint
|
|
import pkg/ethers
|
|
import pkg/ethers/erc20
|
|
import ./hardhat
|
|
import ./helpers
|
|
import ./miner
|
|
import ./mocks
|
|
|
|
type
|
|
TestToken = ref object of Erc20Token
|
|
|
|
method mint(token: TestToken, holder: Address, amount: UInt256): Confirmable {.base, contract.}
|
|
method myBalance(token: TestToken): UInt256 {.base, contract, view.}
|
|
|
|
for url in ["ws://localhost:8545", "http://localhost:8545"]:
|
|
|
|
suite "Contracts (" & url & ")":
|
|
|
|
var token: TestToken
|
|
var provider: JsonRpcProvider
|
|
var snapshot: JsonNode
|
|
var accounts: seq[Address]
|
|
|
|
setup:
|
|
provider = JsonRpcProvider.new(url, pollingInterval = 100.millis)
|
|
snapshot = await provider.send("evm_snapshot")
|
|
accounts = await provider.listAccounts()
|
|
let deployment = readDeployment()
|
|
token = TestToken.new(!deployment.address(TestToken), provider)
|
|
|
|
teardown:
|
|
discard await provider.send("evm_revert", @[snapshot])
|
|
await provider.close()
|
|
|
|
test "can call constant functions":
|
|
check (await token.name()) == "TestToken"
|
|
check (await token.totalSupply()) == 0.u256
|
|
check (await token.balanceOf(accounts[0])) == 0.u256
|
|
check (await token.allowance(accounts[0], accounts[1])) == 0.u256
|
|
|
|
test "can call non-constant functions":
|
|
token = TestToken.new(token.address, provider.getSigner())
|
|
discard await token.mint(accounts[1], 100.u256)
|
|
check (await token.totalSupply()) == 100.u256
|
|
check (await token.balanceOf(accounts[1])) == 100.u256
|
|
|
|
test "can call constant functions with a signer and the account is used for the call":
|
|
let signer0 = provider.getSigner(accounts[0])
|
|
let signer1 = provider.getSigner(accounts[1])
|
|
discard await token.connect(signer0).mint(accounts[1], 100.u256)
|
|
check (await token.connect(signer0).myBalance()) == 0.u256
|
|
check (await token.connect(signer1).myBalance()) == 100.u256
|
|
|
|
test "can call non-constant functions without a signer":
|
|
discard await token.mint(accounts[1], 100.u256)
|
|
check (await token.balanceOf(accounts[1])) == 0.u256
|
|
|
|
test "can call constant functions without a return type":
|
|
token = TestToken.new(token.address, provider.getSigner())
|
|
proc mint(token: TestToken, holder: Address, amount: UInt256) {.contract, view.}
|
|
await mint(token, accounts[1], 100.u256)
|
|
check (await balanceOf(token, accounts[1])) == 0.u256
|
|
|
|
test "can call non-constant functions without a return type":
|
|
token = TestToken.new(token.address, provider.getSigner())
|
|
proc mint(token: TestToken, holder: Address, amount: UInt256) {.contract.}
|
|
await token.mint(accounts[1], 100.u256)
|
|
check (await balanceOf(token, accounts[1])) == 100.u256
|
|
|
|
test "can call non-constant functions with a Confirmable return type":
|
|
|
|
token = TestToken.new(token.address, provider.getSigner())
|
|
proc mint(token: TestToken,
|
|
holder: Address,
|
|
amount: UInt256): Confirmable {.contract.}
|
|
let confirmable = await token.mint(accounts[1], 100.u256)
|
|
check confirmable is Confirmable
|
|
check confirmable.response.isSome
|
|
|
|
test "fails to compile when function has an implementation":
|
|
let works = compiles:
|
|
proc foo(token: TestToken, bar: Address) {.contract.} = discard
|
|
check not works
|
|
|
|
test "fails to compile when function has no parameters":
|
|
let works = compiles:
|
|
proc foo() {.contract.}
|
|
check not works
|
|
|
|
test "fails to compile when non-constant function has a return type":
|
|
let works = compiles:
|
|
proc foo(token: TestToken, bar: Address): UInt256 {.contract.}
|
|
check not works
|
|
|
|
test "can connect to different providers and signers":
|
|
let signer0 = provider.getSigner(accounts[0])
|
|
let signer1 = provider.getSigner(accounts[1])
|
|
discard await token.connect(signer0).mint(accounts[0], 100.u256)
|
|
discard await token.connect(signer0).transfer(accounts[1], 50.u256)
|
|
discard await token.connect(signer1).transfer(accounts[2], 25.u256)
|
|
check (await token.connect(provider).balanceOf(accounts[0])) == 50.u256
|
|
check (await token.connect(provider).balanceOf(accounts[1])) == 25.u256
|
|
check (await token.connect(provider).balanceOf(accounts[2])) == 25.u256
|
|
|
|
test "takes custom values for nonce, gasprice and gaslimit":
|
|
let overrides = TransactionOverrides(
|
|
nonce: some 100.u256,
|
|
gasPrice: some 200.u256,
|
|
gasLimit: some 300.u256
|
|
)
|
|
let signer = MockSigner.new(provider)
|
|
discard await token.connect(signer).mint(accounts[0], 42.u256, overrides)
|
|
check signer.transactions.len == 1
|
|
check signer.transactions[0].nonce == overrides.nonce
|
|
check signer.transactions[0].gasPrice == overrides.gasPrice
|
|
check signer.transactions[0].gasLimit == overrides.gasLimit
|
|
|
|
test "can call functions for different block heights":
|
|
let block1 = await provider.getBlockNumber()
|
|
let signer = provider.getSigner(accounts[0])
|
|
discard await token.connect(signer).mint(accounts[0], 100.u256)
|
|
let block2 = await provider.getBlockNumber()
|
|
|
|
let beforeMint = CallOverrides(blockTag: some BlockTag.init(block1))
|
|
let afterMint = CallOverrides(blockTag: some BlockTag.init(block2))
|
|
|
|
check (await token.balanceOf(accounts[0], beforeMint)) == 0
|
|
check (await token.balanceOf(accounts[0], afterMint)) == 100
|
|
|
|
test "can simulate transactions for different block heights":
|
|
let block1 = await provider.getBlockNumber()
|
|
let signer = provider.getSigner(accounts[0])
|
|
discard await token.connect(signer).mint(accounts[0], 100.u256)
|
|
let block2 = await provider.getBlockNumber()
|
|
|
|
let beforeMint = CallOverrides(blockTag: some BlockTag.init(block1))
|
|
let afterMint = CallOverrides(blockTag: some BlockTag.init(block2))
|
|
|
|
expect ProviderError:
|
|
discard await token.transfer(accounts[1], 50.u256, beforeMint)
|
|
discard await token.transfer(accounts[1], 50.u256, afterMint)
|
|
|
|
test "receives events when subscribed":
|
|
var transfers: seq[Transfer]
|
|
|
|
proc handleTransfer(transfer: Transfer) =
|
|
transfers.add(transfer)
|
|
|
|
let signer0 = provider.getSigner(accounts[0])
|
|
let signer1 = provider.getSigner(accounts[1])
|
|
|
|
let subscription = await token.subscribe(Transfer, handleTransfer)
|
|
discard await token.connect(signer0).mint(accounts[0], 100.u256)
|
|
discard await token.connect(signer0).transfer(accounts[1], 50.u256)
|
|
discard await token.connect(signer1).transfer(accounts[2], 25.u256)
|
|
|
|
check eventually transfers == @[
|
|
Transfer(receiver: accounts[0], value: 100.u256),
|
|
Transfer(sender: accounts[0], receiver: accounts[1], value: 50.u256),
|
|
Transfer(sender: accounts[1], receiver: accounts[2], value: 25.u256)
|
|
]
|
|
|
|
await subscription.unsubscribe()
|
|
|
|
test "stops receiving events when unsubscribed":
|
|
var transfers: seq[Transfer]
|
|
|
|
proc handleTransfer(transfer: Transfer) =
|
|
transfers.add(transfer)
|
|
|
|
let signer0 = provider.getSigner(accounts[0])
|
|
|
|
let subscription = await token.subscribe(Transfer, handleTransfer)
|
|
discard await token.connect(signer0).mint(accounts[0], 100.u256)
|
|
|
|
check eventually transfers.len == 1
|
|
await subscription.unsubscribe()
|
|
|
|
discard await token.connect(signer0).transfer(accounts[1], 50.u256)
|
|
await sleepAsync(100.millis)
|
|
|
|
check transfers.len == 1
|
|
|
|
test "can wait for contract interaction tx to be mined":
|
|
let signer0 = provider.getSigner(accounts[0])
|
|
let confirming = token.connect(signer0)
|
|
.mint(accounts[1], 100.u256)
|
|
.confirm(3)
|
|
await sleepAsync(100.millis) # wait for tx to be mined
|
|
await provider.mineBlocks(2) # two additional blocks
|
|
let receipt = await confirming
|
|
check receipt.blockNumber.isSome
|
|
|
|
test "can query last block event log":
|
|
|
|
let signer0 = provider.getSigner(accounts[0])
|
|
|
|
discard await token.connect(signer0).mint(accounts[0], 100.u256)
|
|
discard await token.connect(signer0).transfer(accounts[1], 50.u256)
|
|
|
|
let logs = await token.queryFilter(Transfer)
|
|
|
|
check eventually logs == @[
|
|
Transfer(sender: accounts[0], receiver: accounts[1], value: 50.u256)
|
|
]
|
|
|
|
test "can query past event logs by specifying from and to blocks":
|
|
|
|
let signer0 = provider.getSigner(accounts[0])
|
|
let signer1 = provider.getSigner(accounts[1])
|
|
|
|
discard await token.connect(signer0).mint(accounts[0], 100.u256)
|
|
discard await token.connect(signer0).transfer(accounts[1], 50.u256)
|
|
discard await token.connect(signer1).transfer(accounts[2], 25.u256)
|
|
|
|
let currentBlock = await provider.getBlockNumber()
|
|
let logs = await token.queryFilter(Transfer,
|
|
BlockTag.init(currentBlock - 1),
|
|
BlockTag.latest)
|
|
|
|
check logs == @[
|
|
Transfer(sender: accounts[0], receiver: accounts[1], value: 50.u256),
|
|
Transfer(sender: accounts[1], receiver: accounts[2], value: 25.u256)
|
|
]
|
|
|
|
test "can query past event logs by specifying a block hash":
|
|
|
|
let signer0 = provider.getSigner(accounts[0])
|
|
|
|
let receipt = await token.connect(signer0)
|
|
.mint(accounts[0], 100.u256)
|
|
.confirm(1)
|
|
discard await token.connect(signer0).transfer(accounts[1], 50.u256)
|
|
|
|
let logs = await token.queryFilter(Transfer, !receipt.blockHash)
|
|
|
|
check logs == @[
|
|
Transfer(receiver: accounts[0], value: 100.u256)
|
|
]
|
|
|
|
test "concurrent transactions with first failing increment nonce correctly":
|
|
let signer = provider.getSigner()
|
|
let token = TestToken.new(token.address, signer)
|
|
let helpersContract = TestHelpers.new(signer)
|
|
|
|
# emulate concurrent populateTransaction calls, where the first one fails
|
|
let futs = await allFinished(
|
|
helpersContract.doRevert("some reason"),
|
|
token.mint(accounts[0], 100.u256)
|
|
)
|
|
check futs[0].error of EstimateGasError
|
|
let receipt = await futs[1].confirm(1)
|
|
|
|
check receipt.status == TransactionStatus.Success
|
|
|
|
test "non-concurrent transactions with first failing increment nonce correctly":
|
|
let signer = provider.getSigner()
|
|
let token = TestToken.new(token.address, signer)
|
|
let helpersContract = TestHelpers.new(signer)
|
|
|
|
expect EstimateGasError:
|
|
discard await helpersContract.doRevert("some reason")
|
|
|
|
let receipt = await token
|
|
.mint(accounts[0], 100.u256)
|
|
.confirm(1)
|
|
|
|
check receipt.status == TransactionStatus.Success
|