95 lines
3.2 KiB
Nim
95 lines
3.2 KiB
Nim
import std/json
|
|
import pkg/asynctest
|
|
import pkg/chronos
|
|
import pkg/ethers
|
|
import pkg/stew/byteutils
|
|
import ./examples
|
|
import ./miner
|
|
|
|
suite "JsonRpcProvider":
|
|
|
|
var provider: JsonRpcProvider
|
|
|
|
setup:
|
|
provider = JsonRpcProvider.new("ws://localhost:8545")
|
|
|
|
test "can be instantiated with a default URL":
|
|
discard JsonRpcProvider.new()
|
|
|
|
test "can be instantiated with an HTTP URL":
|
|
discard JsonRpcProvider.new("http://localhost:8545")
|
|
|
|
test "can be instantiated with a websocket URL":
|
|
discard JsonRpcProvider.new("ws://localhost:8545")
|
|
|
|
test "lists all accounts":
|
|
let accounts = await provider.listAccounts()
|
|
check accounts.len > 0
|
|
|
|
test "sends raw messages to the provider":
|
|
let response = await provider.send("evm_mine")
|
|
check response == %"0x0"
|
|
|
|
test "returns block number":
|
|
let blocknumber1 = await provider.getBlockNumber()
|
|
discard await provider.send("evm_mine")
|
|
let blocknumber2 = await provider.getBlockNumber()
|
|
check blocknumber2 > blocknumber1
|
|
|
|
test "returns block":
|
|
let block1 = !await provider.getBlock(BlockTag.earliest)
|
|
let block2 = !await provider.getBlock(BlockTag.latest)
|
|
check block1.hash != block2.hash
|
|
check block1.number < block2.number
|
|
check block1.timestamp < block2.timestamp
|
|
|
|
test "subscribes to new blocks":
|
|
let oldBlock = !await provider.getBlock(BlockTag.latest)
|
|
var newBlock: Block
|
|
let blockHandler = proc(blck: Block) = newBlock = blck
|
|
let subscription = await provider.subscribe(blockHandler)
|
|
discard await provider.send("evm_mine")
|
|
check newBlock.number > oldBlock.number
|
|
check newBlock.timestamp > oldBlock.timestamp
|
|
check newBlock.hash != oldBlock.hash
|
|
await subscription.unsubscribe()
|
|
|
|
test "can send a transaction":
|
|
let signer = provider.getSigner()
|
|
let transaction = Transaction.example
|
|
let populated = await signer.populateTransaction(transaction)
|
|
|
|
let txResp = await signer.sendTransaction(populated)
|
|
check txResp.hash.len == 32 and UInt256.fromHex(txResp.hash.toHex) > 0
|
|
|
|
test "can wait for a transaction to be confirmed":
|
|
let signer = provider.getSigner()
|
|
let transaction = Transaction.example
|
|
let populated = await signer.populateTransaction(transaction)
|
|
|
|
# must be spawned so we can get newHeads inside of .wait
|
|
asyncSpawn provider.mineBlocks(3)
|
|
|
|
let receipt = await signer.sendTransaction(populated).wait(3)
|
|
let endBlock = await provider.getBlockNumber()
|
|
|
|
check receipt.blockNumber.isSome # was eventually mined
|
|
check (endBlock - !receipt.blockNumber) + 1 == 3 # +1 for the block the tx was mined in
|
|
|
|
test "waiting for block to be mined times out":
|
|
|
|
# must be spawned so we can get newHeads inside of .wait
|
|
asyncSpawn provider.mineBlocks(10)
|
|
|
|
let startBlock = await provider.getBlockNumber()
|
|
let response = TransactionResponse(hash: TransactionHash.example,
|
|
provider: provider)
|
|
try:
|
|
discard await response.wait(wantedConfirms = 2,
|
|
timeoutInBlocks = 5.some)
|
|
except JsonRpcProviderError as e:
|
|
check e.msg == "Transaction was not mined in 5 blocks"
|
|
|
|
let endBlock = await provider.getBlockNumber()
|
|
check (endBlock - startBlock) + 1 == 5 # +1 including start block
|