87 lines
3.0 KiB
Nim
87 lines
3.0 KiB
Nim
import std/os
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import pkg/asynctest
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import pkg/ethers
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import pkg/stew/byteutils
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import ../../examples
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suite "JsonRpcSigner":
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var provider: JsonRpcProvider
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var accounts: seq[Address]
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let providerUrl = getEnv("ETHERS_TEST_PROVIDER", "localhost:8545")
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setup:
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provider = JsonRpcProvider.new("http://" & providerUrl)
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accounts = await provider.listAccounts()
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teardown:
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await provider.close()
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test "is connected to the first account of the provider by default":
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let signer = provider.getSigner()
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check (await signer.getAddress()) == accounts[0]
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test "can connect to a different account":
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let signer = provider.getSigner(accounts[1])
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check (await signer.getAddress()) == accounts[1]
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test "can retrieve gas price":
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let signer = provider.getSigner()
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let gasprice = await signer.getGasPrice()
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check gasprice > 0.u256
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test "can retrieve transaction count":
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let signer = provider.getSigner(accounts[9])
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let count = await signer.getTransactionCount(BlockTag.pending)
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check count == 0.u256
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test "can estimate gas cost of a transaction":
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let signer = provider.getSigner()
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let estimate = await signer.estimateGas(Transaction.example)
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check estimate > 0.u256
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test "can retrieve chain id":
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let signer = provider.getSigner()
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let chainId = await signer.getChainId()
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check chainId == 31337.u256 # hardhat chain id
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test "can sign messages":
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let signer = provider.getSigner()
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let message = "hello".toBytes
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check (await signer.signMessage(message)).len == 65
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test "can populate missing fields in a transaction":
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let signer = provider.getSigner()
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let transaction = Transaction.example
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let populated = await signer.populateTransaction(transaction)
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check !populated.sender == await signer.getAddress()
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check !populated.gasPrice == await signer.getGasPrice()
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check !populated.nonce == await signer.getTransactionCount(BlockTag.pending)
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check !populated.gasLimit == await signer.estimateGas(transaction)
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check !populated.chainId == await signer.getChainId()
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test "populate does not overwrite existing fields":
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let signer = provider.getSigner()
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var transaction = Transaction.example
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transaction.sender = some await signer.getAddress()
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transaction.nonce = some UInt256.example
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transaction.chainId = some await signer.getChainId()
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transaction.gasPrice = some UInt256.example
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transaction.gasLimit = some UInt256.example
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let populated = await signer.populateTransaction(transaction)
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check populated == transaction
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test "populate fails when sender does not match signer address":
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let signer = provider.getSigner()
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var transaction = Transaction.example
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transaction.sender = accounts[1].some
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expect SignerError:
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discard await signer.populateTransaction(transaction)
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test "populate fails when chain id does not match":
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let signer = provider.getSigner()
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var transaction = Transaction.example
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transaction.chainId = 0xdeadbeef.u256.some
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expect SignerError:
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discard await signer.populateTransaction(transaction)
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