mirror of
https://github.com/logos-storage/nim-ethers.git
synced 2026-01-03 06:03:09 +00:00
53 lines
1.7 KiB
Nim
53 lines
1.7 KiB
Nim
import std/json
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import pkg/asynctest
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import pkg/chronos
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import pkg/ethers/providers/jsonrpc
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suite "JsonRpcProvider":
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var provider: JsonRpcProvider
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setup:
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provider = JsonRpcProvider.new("ws://localhost:8545")
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test "can be instantiated with a default URL":
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discard JsonRpcProvider.new()
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test "can be instantiated with an HTTP URL":
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discard JsonRpcProvider.new("http://localhost:8545")
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test "can be instantiated with a websocket URL":
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discard JsonRpcProvider.new("ws://localhost:8545")
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test "lists all accounts":
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let accounts = await provider.listAccounts()
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check accounts.len > 0
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test "sends raw messages to the provider":
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let response = await provider.send("evm_mine")
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check response == %"0x0"
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test "returns block number":
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let blocknumber1 = await provider.getBlockNumber()
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discard await provider.send("evm_mine")
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let blocknumber2 = await provider.getBlockNumber()
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check blocknumber2 > blocknumber1
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test "returns block":
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let block1 = !await provider.getBlock(BlockTag.earliest)
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let block2 = !await provider.getBlock(BlockTag.latest)
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check block1.hash != block2.hash
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check block1.number < block2.number
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check block1.timestamp < block2.timestamp
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test "subscribes to new blocks":
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let oldBlock = !await provider.getBlock(BlockTag.latest)
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var newBlock: Block
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let blockHandler = proc(blck: Block) = newBlock = blck
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let subscription = await provider.subscribe(blockHandler)
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discard await provider.send("evm_mine")
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check newBlock.number > oldBlock.number
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check newBlock.timestamp > oldBlock.timestamp
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check newBlock.hash != oldBlock.hash
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await subscription.unsubscribe()
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